WO2023112858A1 - 積層構造体およびその用途 - Google Patents
積層構造体およびその用途 Download PDFInfo
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- WO2023112858A1 WO2023112858A1 PCT/JP2022/045494 JP2022045494W WO2023112858A1 WO 2023112858 A1 WO2023112858 A1 WO 2023112858A1 JP 2022045494 W JP2022045494 W JP 2022045494W WO 2023112858 A1 WO2023112858 A1 WO 2023112858A1
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- propylene
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- ethylene
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- YRMPTIHEUZLTDO-UHFFFAOYSA-N cyclopentyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C1CCCC1 YRMPTIHEUZLTDO-UHFFFAOYSA-N 0.000 description 1
- NGUKXKTXADXBIB-UHFFFAOYSA-N cyclopentyl-ethoxy-dimethylsilane Chemical compound CCO[Si](C)(C)C1CCCC1 NGUKXKTXADXBIB-UHFFFAOYSA-N 0.000 description 1
- KSMVZQYAVGTKIV-UHFFFAOYSA-N decanal Chemical compound CCCCCCCCCC=O KSMVZQYAVGTKIV-UHFFFAOYSA-N 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 1
- FVAXOELGJXMINU-UHFFFAOYSA-N dicyclopentyl(diethoxy)silane Chemical compound C1CCCC1[Si](OCC)(OCC)C1CCCC1 FVAXOELGJXMINU-UHFFFAOYSA-N 0.000 description 1
- QCSFOFAKBQNZET-UHFFFAOYSA-N dicyclopentyl-ethyl-methoxysilane Chemical compound C1CCCC1[Si](OC)(CC)C1CCCC1 QCSFOFAKBQNZET-UHFFFAOYSA-N 0.000 description 1
- WVEWXPQUQZKPJK-UHFFFAOYSA-N dicyclopentylmethyl(methoxy)silane Chemical compound C1CCCC1C([SiH2]OC)C1CCCC1 WVEWXPQUQZKPJK-UHFFFAOYSA-N 0.000 description 1
- JQCXWCOOWVGKMT-UHFFFAOYSA-N diheptyl phthalate Chemical compound CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC JQCXWCOOWVGKMT-UHFFFAOYSA-N 0.000 description 1
- VHPUZTHRFWIGAW-UHFFFAOYSA-N dimethoxy-di(propan-2-yl)silane Chemical compound CO[Si](OC)(C(C)C)C(C)C VHPUZTHRFWIGAW-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 150000004795 grignard reagents Chemical class 0.000 description 1
- 229910021482 group 13 metal Inorganic materials 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N iron (II) ion Substances [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- OTCKOJUMXQWKQG-UHFFFAOYSA-L magnesium bromide Chemical compound [Mg+2].[Br-].[Br-] OTCKOJUMXQWKQG-UHFFFAOYSA-L 0.000 description 1
- 229910001623 magnesium bromide Inorganic materials 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- YJCTUQFSSZSZPO-UHFFFAOYSA-L magnesium;chloride;phenoxide Chemical compound [Cl-].[Mg+]OC1=CC=CC=C1 YJCTUQFSSZSZPO-UHFFFAOYSA-L 0.000 description 1
- KRTCPMDBLDWJQY-UHFFFAOYSA-M magnesium;ethanolate;chloride Chemical compound [Mg+2].[Cl-].CC[O-] KRTCPMDBLDWJQY-UHFFFAOYSA-M 0.000 description 1
- ZHLDMBMNKCIBQN-UHFFFAOYSA-M magnesium;methanolate;chloride Chemical compound [Cl-].CO[Mg+] ZHLDMBMNKCIBQN-UHFFFAOYSA-M 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- XOSNGXNHDRYFEF-UHFFFAOYSA-N monohexyl phthalate Chemical compound CCCCCCOC(=O)C1=CC=CC=C1C(O)=O XOSNGXNHDRYFEF-UHFFFAOYSA-N 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- STWWIMKSHFDZEK-UHFFFAOYSA-N n-[butoxy(diethoxy)silyl]propan-1-amine Chemical compound CCCCO[Si](OCC)(OCC)NCCC STWWIMKSHFDZEK-UHFFFAOYSA-N 0.000 description 1
- VSQAHOOUXQDVMZ-UHFFFAOYSA-N n-[butoxy(diethoxy)silyl]propan-2-amine Chemical compound CCCCO[Si](NC(C)C)(OCC)OCC VSQAHOOUXQDVMZ-UHFFFAOYSA-N 0.000 description 1
- UYKUVUUMSFADKE-UHFFFAOYSA-N n-[diethoxy(propoxy)silyl]ethanamine Chemical compound CCCO[Si](NCC)(OCC)OCC UYKUVUUMSFADKE-UHFFFAOYSA-N 0.000 description 1
- DQZXTSUCHBQLOB-UHFFFAOYSA-N n-[diethoxy(propoxy)silyl]propan-1-amine Chemical compound CCCN[Si](OCC)(OCC)OCCC DQZXTSUCHBQLOB-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- FDYPWIDITZJTAI-UHFFFAOYSA-N n-ethyl-n-trimethoxysilylethanamine Chemical compound CCN(CC)[Si](OC)(OC)OC FDYPWIDITZJTAI-UHFFFAOYSA-N 0.000 description 1
- CBKZJLJZZXOLDS-UHFFFAOYSA-N n-ethyl-n-tripropoxysilylethanamine Chemical compound CCCO[Si](OCCC)(OCCC)N(CC)CC CBKZJLJZZXOLDS-UHFFFAOYSA-N 0.000 description 1
- QLXYCGCVGODGGB-UHFFFAOYSA-N n-methyl-n-triethoxysilylmethanamine Chemical compound CCO[Si](OCC)(OCC)N(C)C QLXYCGCVGODGGB-UHFFFAOYSA-N 0.000 description 1
- QFQJTKJFFSOFJV-UHFFFAOYSA-N n-propyl-n-triethoxysilylpropan-1-amine Chemical compound CCCN(CCC)[Si](OCC)(OCC)OCC QFQJTKJFFSOFJV-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- FJDUDHYHRVPMJZ-UHFFFAOYSA-N nonan-1-amine Chemical compound CCCCCCCCCN FJDUDHYHRVPMJZ-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical class CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 0.000 description 1
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 150000002901 organomagnesium compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000010092 rubber production Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- ASEHKQZNVUOPRW-UHFFFAOYSA-N tert-butyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C(C)(C)C ASEHKQZNVUOPRW-UHFFFAOYSA-N 0.000 description 1
- JHVNMGWNEQGGDU-UHFFFAOYSA-N tert-butyl-diethoxy-methylsilane Chemical compound CCO[Si](C)(C(C)(C)C)OCC JHVNMGWNEQGGDU-UHFFFAOYSA-N 0.000 description 1
- NETBVGNWMHLXRP-UHFFFAOYSA-N tert-butyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C(C)(C)C NETBVGNWMHLXRP-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- PTCWADDVLPYBBZ-UHFFFAOYSA-N tricyclopentylmethoxysilane Chemical compound C1CCCC1C(C1CCCC1)(O[SiH3])C1CCCC1 PTCWADDVLPYBBZ-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- IOPAQHDEQBHWEB-UHFFFAOYSA-N trimethoxy-(2-methylcyclopentyl)silane Chemical compound CO[Si](OC)(OC)C1CCCC1C IOPAQHDEQBHWEB-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
Definitions
- the present invention relates to a laminate structure used, for example, as an automobile exterior member, and having a layer of a molded body made of a polypropylene-based resin composition.
- the present invention provides a laminated structure of a molded article made of a polypropylene-based resin composition and a cured resin layer, which has a low coefficient of linear expansion, is primerless and has high adhesive strength with a cured resin layer such as an adhesive layer.
- the challenge is to
- the laminated structure with the cured resin layer has excellent dimensional stability and high adhesive strength between the specific molded article and the specific curable resin even at high temperatures at which adhesion tends to decrease.
- the polypropylene-based resin composition is 5 to 47 parts by mass of a propylene-based polymer (A) having a melt flow rate (230°C, 2.16 kg load) of 50 to 150 g/10 minutes and a decane-soluble content of 6 to 15% by mass; 20 to 30 parts by mass of a propylene homopolymer (B) having a melt flow rate (230°C, 2.16 kg load) of 10 to 500 g/10 minutes; It is a random copolymer of ethylene and an ⁇ -olefin having 4 to 8 carbon atoms, and has a density of 0.850 to 0.880 g/cm 3 and a melt flow rate (230°C, 2.16 kg load) of 0.
- a laminated structure comprising: [2] The laminated structure according to [1], which has a 90° C. hot shear test strength exceeding 1.5 MPa in a primerless adhesion test.
- the propylene-based polymer (A) is a block copolymer of propylene and ethylene, and the intrinsic viscosity [ ⁇ ] of the decane-soluble portion of the copolymer is 2 to 9 dl/g. 1] or the laminated structure according to [2].
- the cured resin layer containing the curable resin (E) having a urethane bond is obtained by curing a urethane-based adhesive containing a urethane prepolymer having a polyether skeleton and an aliphatic isocyanate derivative, [1 ] to [4].
- the laminated structure according to any one of [1] to [6] which is used as an automobile exterior member.
- An automobile exterior member comprising the laminated structure according to any one of [1] to [7].
- the curable resin composition is a curable resin composition containing a urethane prepolymer having a polyether skeleton and an aliphatic isocyanate derivative.
- R 37 and R 38 each independently represent a hydrocarbon group.
- the curable resin composition according to [10] which contains an adduct of a compound represented by and a phenol compound.
- the molded body and the cured resin layer made of a polypropylene resin composition are directly laminated without a primer, and the coefficient of linear expansion is low, the dimensional stability is excellent, and the adhesiveness tends to decrease. It is possible to provide a laminate structure that is primerless and has high adhesive strength between the specific molded article and the specific curable resin even at high temperatures.
- FIG. 1 is a schematic diagram of hot shear test strength measurement of a laminated structure.
- the laminated structure of the present invention is a laminated structure in which a resin-cured layer (ii) containing a curable resin having a urethane bond is directly laminated on a molded body (i) made of a polypropylene-based resin composition.
- a molded body (i) made of a polypropylene-based resin composition and a curable resin layer (ii) formed of a urethane-based adhesive or the like are directly laminated without a primer. It is a struct.
- the molded article (i) according to the present invention is a molded article made of a polypropylene-based resin composition.
- Polypropylene-Based Resin Composition The polypropylene-based resin composition according to the present invention comprises a propylene-based polymer (A), a propylene homopolymer (B), an ethylene/ ⁇ -olefin copolymer (C), and an inorganic filler (D). and optionally other ingredients.
- the propylene-based polymer (A) used in the present invention is a propylene-based polymer having a melt flow rate (230° C., 2.16 kg load) of 50 to 150 g/10 minutes and a decane-soluble portion amount of 6 to 15% by mass. is.
- the propylene-based polymer (A) substantially contains 6-15% by mass of the decane-soluble portion (a1) and 85-94% by mass of the decane-insoluble portion (a2).
- the decane-insoluble part (a2) is a component that is generally insoluble in an n-decane solvent at room temperature (23° C.), and is usually a propylene homopolymer part (propylene homopolymer component ) is equivalent to
- the decane-soluble portion (a1) is equivalent to a portion other than the propylene homopolymer portion, and is preferably a copolymer portion of propylene and ethylene (ethylene/propylene copolymer component).
- the propylene-based polymer (A) usually contains 6 to 15% by mass of decane-soluble portion (a1) and 85 to 94% by mass of decane-insoluble portion (a2), preferably 7 to 12% by mass of decane-soluble portion. It contains a soluble part (a1) and a decane-insoluble part (a2) of 88 to 93% by mass [wherein the sum of the content of (a1) and the content of (a2) is 100% by mass].
- the propylene-based polymer (A) is preferably a propylene-based block copolymer obtained from propylene and ethylene.
- the intrinsic viscosity [ ⁇ ] of the decane-soluble portion (a1) of the propylene-based block copolymer is preferably 2 to 9 dl/g, more preferably 3 to 8 dl/g.
- the melt flow rate (230° C., 2.16 kg load) of the propylene-based polymer (A) is 50 to 150 g/10 minutes, preferably 50 to 130 g/10 minutes, more preferably 60 to 120 g/10 minutes, especially It is preferably 70 to 110 g/10 minutes.
- the propylene-based polymer (A) can be produced by a known method. For example, propylene is polymerized using an olefin polymerization catalyst containing the solid titanium catalyst component (I) and the organometallic compound catalyst component (II) described below, and then propylene and ethylene are copolymerized to obtain propylene. A system block copolymer is obtained.
- Solid titanium catalyst component (I) The solid titanium catalyst component (I) that constitutes the olefin polymerization catalyst contains, for example, titanium, magnesium, halogen and, if necessary, an electron donor. Known components can be used without limitation for the solid titanium catalyst component (I).
- a magnesium compound and a titanium compound are often used in the preparation of the solid titanium catalyst component (I).
- magnesium compounds include magnesium halides such as magnesium chloride and magnesium bromide; alkoxymagnesium halides such as methoxymagnesium chloride, ethoxymagnesium chloride and phenoxymagnesium chloride; ethoxymagnesium, isopropoxymagnesium, butoxymagnesium, 2-ethyl alkoxymagnesium such as hexoxymagnesium; aryloxymagnesium such as phenoxymagnesium; carboxylate of magnesium such as magnesium stearate;
- a magnesium compound may be used individually by 1 type, and may be used in combination of 2 or more types.
- the magnesium compound may also be a complex compound with other metals, a double compound, or a mixture with other metal compounds.
- halogen-containing magnesium compounds are preferred, and magnesium halides, particularly magnesium chloride, are more preferred.
- alkoxymagnesium such as ethoxymagnesium is also preferred.
- Magnesium compounds may also be those derived from other substances, such as compounds obtained by contacting organomagnesium compounds such as Grignard reagents with titanium halides, silicon halides, halogenated alcohols, and the like.
- titanium compounds examples include tetravalent titanium compounds represented by the following formula.
- titanium compounds include titanium tetrahalides such as TiCl 4 and TiBr 4 ; Ti(OCH 3 )Cl 3 , Ti(OC 2 H 5 )Cl 3 , Ti(On-C 4 H 9 )Cl trihalogenated alkoxytitanium such as 3 , Ti( OC2H5 ) Br3 , Ti(Oi- C4H9 ) Br3 ; Ti( OCH3 ) 2Cl2 , Ti( OC2H5 ) 2 dihalogenated alkoxytitanium such as Cl2 ; monohalogenated alkoxytitanium such as Ti( OCH3 ) 3Cl , Ti(On - C4H9 ) 3Cl , Ti( OC2H5 ) 3Br ; Tetraalkoxytitanium
- magnesium compound and titanium compound for example, compounds described in detail in JP-A-57-63310 and JP-A-5-170843 can also be used.
- Specific examples of preferred methods for preparing the solid titanium catalyst component (I) used in the present invention include the following methods (P-1) to (P-4).
- P-1) A solid adduct comprising an electron donor component (1) such as a magnesium compound and an alcohol, an electron donor component (2) described later, and a liquid titanium compound are combined in an inert hydrocarbon solvent.
- P-2) A method of contacting in a suspended state under coexistence.
- P-2 A method of contacting a solid adduct comprising a magnesium compound and an electron donor component (1), an electron donor component (2), and a liquid titanium compound in multiple steps.
- a solid adduct comprising a magnesium compound and an electron donor component (1), an electron donor component (2), and a liquid titanium compound are suspended in the presence of an inert hydrocarbon solvent.
- P-4) A method of contacting a liquid magnesium compound comprising a magnesium compound and an electron donor component (1), a liquid titanium compound, and an electron donor component (2).
- the reaction temperature for preparing the solid titanium catalyst component (I) is preferably -30 to 150°C, more preferably -25 to 130°C, and particularly preferably -25 to 120°C.
- the preparation of the solid titanium catalyst component (I) can also be carried out in the presence of a known medium, if necessary.
- a known medium include slightly polar aromatic hydrocarbons such as toluene, and known aliphatic or alicyclic hydrocarbons such as heptane, octane, decane, and cyclohexane. Among them, aliphatic hydrocarbons are preferred.
- the electron donor component (1) used for forming a solid adduct or a liquid magnesium compound a known compound capable of solubilizing the magnesium compound at a temperature range of room temperature to about 300° C. is preferred, such as alcohols and aldehydes. , amines, carboxylic acids and mixtures thereof are preferred. Examples of these compounds include compounds described in JP-A-57-63310 and JP-A-5-170843.
- alcohols capable of solubilizing magnesium compounds include methanol, ethanol, propanol, butanol, isobutanol, ethylene glycol, 2-methylpentanol, 2-ethylbutanol, n-heptanol, n-octanol, 2-ethylhexanol. , decanol, and dodecanol; alicyclic alcohols such as cyclohexanol and methylcyclohexanol; aromatic alcohols such as benzyl alcohol and methylbenzyl alcohol; aliphatic alcohols having an alkoxy group such as n-butyl cellosolve; mentioned.
- carboxylic acids include organic carboxylic acids having 7 or more carbon atoms, such as caprylic acid and 2-ethylhexanoic acid.
- aldehydes include aldehydes having 7 or more carbon atoms such as capricaldehyde and 2-ethylhexylaldehyde.
- amines include amines having 6 or more carbon atoms such as heptylamine, octylamine, nonylamine, laurylamine and 2-ethylhexylamine.
- the electron donor component (1) the above alcohols are preferable, and ethanol, propanol, butanol, isobutanol, hexanol, 2-ethylhexanol, and decanol are particularly preferable.
- the compositional ratio of magnesium in the obtained solid adduct or liquid magnesium compound to the electron donor component (1) varies depending on the type of compound used, and cannot be generally defined.
- the electron donor component (1) is preferably 2 mol or more, more preferably 2.3 mol or more, and particularly preferably 2.7 mol or more and 5 mol or less.
- electron donors optionally used in the solid titanium catalyst component (I) include aromatic carboxylic acid esters and/or compounds having two or more ether bonds via a plurality of carbon atoms ( Hereinafter referred to as "electron donor component (2)").
- Examples of the electron donor component (2) include known aromatic carboxylic acid esters and polyether compounds that are preferably used in conventional olefin polymerization catalysts, such as JP-A-5-170843 and JP-A-2001-354714. etc. can be used without limitation.
- aromatic carboxylic acid esters include aromatic carboxylic acid monoesters such as benzoic acid esters and toluic acid esters, as well as aromatic polyvalent carboxylic acid esters such as phthalic acid esters.
- aromatic polyvalent carboxylic acid esters are preferable, and phthalates are more preferable.
- phthalates phthalate alkyl esters such as ethyl phthalate, n-butyl phthalate, isobutyl phthalate, hexyl phthalate and heptyl phthalate are preferred, and diisobutyl phthalate is particularly preferred.
- polyether compounds include compounds represented by the following chemical structural formula (1).
- m is an integer of 1 ⁇ m ⁇ 10, more preferably an integer of 3 ⁇ m ⁇ 10, and R 11 to R 36 are each independently a hydrogen atom, or carbon, hydrogen, oxygen , fluorine, chlorine, bromine, iodine, nitrogen, sulfur, phosphorus, boron and silicon.
- R 11 to R 36 are each independently a hydrogen atom, or carbon, hydrogen, oxygen , fluorine, chlorine, bromine, iodine, nitrogen, sulfur, phosphorus, boron and silicon.
- m is 2 or more, a plurality of R 11 and R 12 may be the same or different. Any of R 11 to R 36 , preferably R 11 and R 12 may together form a ring other than a benzene ring.
- Such compounds include monosubstituted dialkoxys such as 2-isopropyl-1,3-dimethoxypropane, 2-s-butyl-1,3-dimethoxypropane, and 2-cumyl-1,3-dimethoxypropane.
- 1,3-diethers are preferred, and particularly 2-isopropyl-2-isobutyl-1,3-dimethoxypropane, 2,2-diisobutyl-1,3-dimethoxypropane, 2-isopropyl-2-isopentyl-1 ,3-dimethoxypropane, 2,2-dicyclohexyl-1,3-dimethoxypropane and 2,2-bis(cyclohexylmethyl)1,3-dimethoxypropane are preferred.
- the halogen/titanium (atomic ratio) (that is, the number of moles of halogen atoms/the number of moles of titanium atoms) is 2 to 100, preferably 4 to 90, and the electron donor component (1)/titanium atom (molar ratio) is 0-100, preferably 0-10, and electron donor component (2)/titanium atom (molar ratio) is 0-100, preferably 0-10.
- the magnesium/titanium (atomic ratio) ie moles of magnesium atoms/moles of titanium atoms) is 2-100, preferably 4-50.
- the organometallic compound catalyst component (II) is a component containing a metal element selected from Groups 1, 2 and 13 of the periodic table.
- compounds containing Group 13 metals organoaluminum compounds, etc.
- complex alkylates of Group 1 metals and aluminum organometallic compounds of Group 2 metals, and the like can be used.
- organoaluminum compounds are preferred.
- organometallic compound catalyst component (II) the organometallic compound catalyst components described in known documents such as EP585869A1 can be suitably used.
- a known electron donor component (3) may be used in combination with the electron donor component (1) and the electron donor component (2) described above as long as the object of the present invention is not impaired.
- This organosilicon compound is, for example, a compound represented by the following formula.
- RnSi (OR') 4-n (Wherein, R and R' are hydrocarbon groups, and n is an integer of 0 ⁇ n ⁇ 4.)
- Specific examples of the organosilicon compound represented by the above formula include diisopropyldimethoxysilane, t-butylmethyldimethoxysilane, t-butylmethyldiethoxysilane, t-amylmethyldiethoxysilane, dicyclohexyldimethoxysilane, cyclohexylmethyldimethoxysilane.
- cyclohexylmethyldiethoxysilane vinyltrimethoxysilane, vinyltriethoxysilane, t-butyltriethoxysilane, phenyltriethoxysilane, diphenyldimethoxysilane, cyclohexyltrimethoxysilane, cyclopentyltrimethoxysilane, 2-methylcyclopentyltrimethoxysilane , cyclopentyltriethoxysilane, dicyclopentyldimethoxysilane, dicyclopentyldiethoxysilane, tricyclopentylmethoxysilane, dicyclopentylmethylmethoxysilane, dicyclopentylethylmethoxysilane, cyclopentyldimethylethoxysilane and the like are used.
- vinyltriethoxysilane, diphenyldimethoxysilane, dicyclohexyldimethoxysilane, cyclohexylmethyldimethoxysilane, and dicyclopentyldimethoxysilane are preferred.
- silane compound represented by the following formula described in International Publication No. 2004/016662 is also a preferred example of the organosilicon compound.
- R a is a hydrocarbon group having 1 to 6 carbon atoms.
- it is an unsaturated or saturated aliphatic hydrocarbon group having 1 to 6 carbon atoms, preferably a hydrocarbon group having 2 to 6 carbon atoms.
- Specific examples include methyl group, ethyl group, n-propyl group, iso-propyl group, n-butyl group, iso-butyl group, sec-butyl group, n-pentyl group, iso-pentyl group, cyclopentyl group, n -hexyl group, cyclohexyl group and the like.
- an ethyl group is particularly preferred.
- R b is a hydrocarbon group having 1 to 12 carbon atoms or hydrogen.
- it is an unsaturated or saturated aliphatic hydrocarbon group having 1 to 12 carbon atoms or hydrogen.
- Specific examples include hydrogen atom, methyl group, ethyl group, n-propyl group, iso-propyl group, n-butyl group, iso-butyl group, sec-butyl group, n-pentyl group, iso-pentyl group, cyclopentyl group, n-hexyl group, cyclohexyl group, octyl group and the like.
- an ethyl group is particularly preferred.
- R c is a hydrocarbon group having 1 to 12 carbon atoms.
- it is an unsaturated or saturated aliphatic hydrocarbon group having 1 to 12 carbon atoms.
- Specific examples include methyl group, ethyl group, n-propyl group, iso-propyl group, n-butyl group, iso-butyl group, sec-butyl group, n-pentyl group, iso-pentyl group, cyclopentyl group, n -hexyl group, cyclohexyl group, octyl group and the like.
- an ethyl group is particularly preferred.
- organosilicon compound represented by the above formula examples include dimethylaminotriethoxysilane, diethylaminotriethoxysilane, diethylaminotrimethoxysilane, diethylaminotri-n-propoxysilane, di-n-propylaminotriethoxysilane, methyl-n- Propylaminotriethoxysilane, t-butylaminotriethoxysilane, ethyl n-propylaminotriethoxysilane, ethyliso-propylaminotriethoxysilane, methylethylaminotriethoxysilane and the like.
- organosilicon compounds include compounds represented by the following formulas.
- RN is a cyclic amino group.
- Specific examples include a perhydroquinolino group, a perhydroisoquinolino group, a 1,2,3,4-tetrahydroquinolino group, a 1,2,3,4-tetrahydroisoquinolino group, an octamethyleneimino group, and the like. mentioned.
- R a is the same as above.
- organosilicon compound represented by the above formula examples include (perhydroquinolino)triethoxysilane, (perhydroisoquinolino)triethoxysilane, (1,2,3,4-tetrahydroquinolino)triethoxy silane, (1,2,3,4-tetrahydroisoquinolino)triethoxysilane, octamethyleneiminotriethoxysilane and the like.
- organosilicon compounds described above Two or more of the organosilicon compounds described above may be used in combination.
- a propylene/ethylene block copolymer which is a preferred embodiment of the propylene-based polymer (A), is obtained by polymerizing propylene in the presence of the above-described catalyst for olefin polymerization and then copolymerizing or prepolymerizing propylene and ethylene. It can be produced by polymerizing propylene in the presence of a prepolymerization catalyst obtained by the above method and then copolymerizing propylene and ethylene.
- Prepolymerization is carried out by prepolymerizing olefin in an amount of usually 0.1 to 1000 g, preferably 0.3 to 500 g, particularly preferably 1 to 200 g, per 1 g of olefin polymerization catalyst.
- a catalyst with a concentration higher than that in the system in main polymerization can be used.
- the concentration of the solid titanium catalyst component (I) in the prepolymerization is usually 0.001 to 200 millimoles, preferably 0.01 to 50 millimoles, more preferably 0.1 to 50 millimoles per liter of liquid medium in terms of titanium atoms. 20 millimoles.
- the amount of the organometallic compound catalyst component (II) in the prepolymerization is usually 0.1 to 1000 g, preferably 0.3 to 500 g of polymer per 1 g of the solid titanium catalyst component (I).
- the amount is usually 0.1 to 300 mol, preferably 0.5 to 100 mol, more preferably 1 to 50 mol, per 1 mol of titanium atom in the solid titanium catalyst component (I).
- the above-mentioned electron donor components can be used if necessary. It is preferably 0.5 to 30 mol, more preferably 1 to 10 mol.
- Prepolymerization can be carried out under mild conditions by adding the olefin and the above catalyst components to an inert hydrocarbon medium.
- the prepolymerization is preferably carried out batchwise.
- inert hydrocarbon media include aliphatic hydrocarbons such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane, and kerosene; cyclopentane, methylcyclopentane, cyclohexane, cycloheptane, methylcycloheptane , alicyclic hydrocarbons such as cyclooctane; aromatic hydrocarbons such as benzene, toluene and xylene; halogenated hydrocarbons such as ethylene chloride and chlorobenzene; or mixtures thereof. Among them, aliphatic hydrocarbons are preferred.
- Preliminary polymerization can also be performed using the olefin itself as a solvent. Prepolymerization can also be carried out in a substantially solvent-free state. In this case, it is preferable to carry out the preliminary polymerization continuously.
- the olefin used in the preliminary polymerization may be the same as or different from the olefin used in the main polymerization described below. Propylene is particularly preferred as the olefin.
- the temperature during the preliminary polymerization is usually -20 to 100°C, preferably -20 to 80°C, more preferably 0 to 40°C.
- This polymerization is divided into a process for producing a propylene homopolymer component and a process for producing a propylene-ethylene copolymer component.
- the main polymerization can be carried out by either liquid phase polymerization such as bulk polymerization, solution polymerization, suspension polymerization, or gas phase polymerization.
- a liquid phase polymerization method such as bulk polymerization or suspension polymerization, or a gas phase polymerization method is preferable.
- the process for producing the propylene-ethylene copolymer component is preferably a liquid phase polymerization method such as bulk polymerization or suspension polymerization, or a gas phase polymerization method, more preferably a gas phase polymerization method.
- the reaction solvent may be the inert hydrocarbon used in the preliminary polymerization described above, or an olefin that is liquid at the reaction temperature and pressure.
- the solid titanium catalyst component (I) is usually used in an amount of 0.0001 to 0.5 mmol, preferably 0.005 to 0.1 mmol in terms of titanium atoms per liter of polymerization volume. Used.
- the organometallic compound catalyst component (II) is used in an amount of generally 1 to 2000 mol, preferably 5 to 500 mol, per 1 mol of titanium atoms in the preliminary polymerization catalyst component in the polymerization system.
- an electron donor component it is usually 0.001 to 50 mol, preferably 0.01 to 30 mol, more preferably 0.05 to 20 mol, per 1 mol of the organometallic compound catalyst component (II). Used in molar amounts.
- the molecular weight of the resulting polymer can be adjusted (lowered), and a polymer with a high melt flow rate (MFR) can be obtained.
- MFR melt flow rate
- the amount of hydrogen required to adjust the molecular weight varies depending on the type of production process used, polymerization temperature, and pressure, so it may be adjusted as appropriate.
- the MFR can be adjusted by adjusting the polymerization temperature and the amount of hydrogen.
- the intrinsic viscosity can be adjusted by adjusting the polymerization temperature, pressure and amount of hydrogen.
- the olefin polymerization temperature is generally 0 to 200°C, preferably 30 to 100°C, more preferably 50 to 90°C.
- the pressure gauge pressure
- the pressure is usually normal pressure to 100 kgf/cm 2 (9.8 MPa), preferably 2 to 50 kgf/cm 2 (0.20 to 4.9 MPa).
- the polymerization can be carried out by any of batch, semi-continuous and continuous methods.
- the shape of the reactor can be either tubular or tank.
- the polymerization can be carried out in two or more stages by changing the reaction conditions. In this case, the tubular type and the tank type can be combined.
- the ethylene/(ethylene + propylene) gas ratio is adjusted to Control.
- the ethylene/(ethylene+propylene) gas ratio is generally 5 to 80 mol %, preferably 10 to 70 mol %, more preferably 15 to 60 mol %.
- the decane-insoluble portion (a2) of the propylene/ethylene block copolymer is mainly composed of the propylene homopolymer component.
- the decane-soluble portion (a1) is mainly composed of an ethylene-propylene copolymer component, which is a rubber-like component.
- a propylene/ethylene block copolymer which is a preferred embodiment of the propylene-based polymer (A)
- Polymerization step 1 A step of polymerizing propylene in the presence of a solid titanium catalyst component to produce a propylene homopolymer component (propylene homopolymer production step).
- Polymerization step 2) A step of copolymerizing propylene and ethylene in the presence of a solid titanium catalyst component to produce an ethylene/propylene copolymer component (copolymer rubber production step).
- each polymerization step 1 and 2 can also be carried out using two or more polymerization tanks.
- the content of the decane-soluble portion (a1) can be adjusted by the polymerization time (residence time) of the polymerization steps 1 and 2.
- the former polymerization step 1 may be carried out in two or more stages of polymerization vessels connected in series. In that case, the ratio of propylene to hydrogen in each stage may be different for each polymerization vessel.
- the propylene-based polymer (A) used in the present invention may contain one or more biomass-derived monomers.
- the same kind of monomers constituting the polymer may be only biomass-derived monomers, or may contain both biomass-derived monomers and fossil fuel-derived monomers.
- Biomass-derived monomers are monomers derived from any renewable natural raw materials and their residues, such as plant-derived or animal-derived, including fungi, yeast, algae and bacteria, and containing 14 C isotope as carbon .
- the biomass carbon concentration (pMC) measured according to ASTM D 6866 is about 100 (pMC).
- a biomass-derived monomer is obtained by a conventionally known method.
- the propylene-based polymer (A) used in the present invention contains a biomass-derived monomer from the viewpoint of reducing the burden on the environment. If the polymer production conditions such as the polymerization catalyst and polymerization temperature are the same, even if the raw material olefin contains biomass-derived olefin, the molecular structure other than the 14 C isotope at a ratio of about 10 -12 is fossil fuel. It is equivalent to a propylene-based polymer consisting of derived monomers. Therefore, the performance is assumed to be unchanged.
- the propylene-based polymer (A) according to the present invention may contain propylene derived from chemical recycling.
- the propylene constituting the polymer may be only propylene derived from chemical recycling, or may contain propylene derived from chemical recycling and propylene derived from fossil fuel and/or propylene derived from biomass.
- Propylene derived from chemical recycling can be obtained by a conventionally known method. It is preferable that the propylene-based polymer (A) according to the present invention contains propylene derived from chemical recycling from the viewpoint of reducing environmental load (mainly reducing waste).
- the monomer derived from chemical recycling is a monomer obtained by depolymerizing or thermally decomposing a polymer such as waste plastic into a monomer unit such as propylene, or using the monomer as a raw material. Since it is a produced monomer, its molecular structure is equivalent to that of a propylene homopolymer composed of a fossil fuel-derived monomer if polymer production conditions such as a polymerization catalyst, polymerization process and polymerization temperature are the same. Therefore, the performance is assumed to be unchanged.
- the propylene homopolymer (B) used in the present invention is a propylene homopolymer having a melt flow rate (230° C., 2.16 kg load) of 10 to 500 g/10 minutes.
- the propylene homopolymer (B) may be a polymer obtained by polymerizing substantially only propylene.
- a homopolymer obtained by polymerizing only propylene, or a crystalline polymer obtained by copolymerizing propylene with 6 mol % or less, preferably 3 mol % or less of another ⁇ -olefin can be used.
- a homopolymer obtained by polymerizing only propylene is preferable.
- the propylene homopolymer (B) can be produced by polymerizing monomers mainly composed of propylene by a known method.
- an olefin polymerization catalyst containing the above-described solid titanium catalyst component (I) and an organometallic compound catalyst component (II), or titanium trichloride and an alkylaluminum compound commonly referred to as Ziegler-Natta catalysts It is obtained by polymerizing propylene-based monomers in the presence of a combined catalyst.
- the polymerization reaction may be carried out continuously or batchwise. Further, for example, it can be suitably produced by performing only the polymerization step 1 described above.
- the polymerization temperature is usually 0 to 200°C, preferably 30 to 100°C, more preferably 50 to 90°C.
- the pressure gauge pressure
- the pressure is usually normal pressure to 100 kgf/cm 2 (9.8 MPa), preferably 2 to 50 kgf/cm 2 (0.20 to 4.9 MPa).
- the melt flow rate (230° C., 2.16 kg load) of the propylene homopolymer (B) is 10 to 500 g/10 minutes, preferably 10 to 300 g/10 minutes, more preferably 20 to 250 g/10 minutes. .
- the propylene homopolymer (B) may be one type of polymer, or two or more types of propylene homopolymers may be arbitrarily combined within a range that satisfies the above melt flow rate as a whole.
- the propylene homopolymer (B) used in the present invention may contain biomass-derived propylene.
- the propylene constituting the polymer may be only biomass-derived propylene, or may contain both biomass-derived propylene and fossil fuel-derived propylene.
- Biomass-derived propylene is a monomer derived from any renewable natural raw material and its residues, such as plant or animal origin, including fungi, yeast, algae and bacteria, and has 14C isotope as carbon.
- the biomass carbon concentration (pMC) measured according to ASTM D 6866 is about 100 (pMC).
- Biomass-derived propylene is obtained by a conventionally known method.
- the propylene homopolymer (B) used in the present invention contains a biomass-derived monomer from the viewpoint of reducing the burden on the environment. If the polymer production conditions such as the polymerization catalyst and polymerization temperature are the same, even if the raw material propylene contains biomass-derived propylene, the molecular structure other than containing the 14C isotope at a ratio of about 10 -12 is derived from fossil fuels. It is equivalent to propylene homopolymer consisting of propylene. Therefore, the performance is assumed to be unchanged.
- the propylene homopolymer (B) used in the present invention may contain propylene derived from chemical recycling as a monomer, like the propylene-based polymer (A) described above. That is, the propylene constituting the polymer may be only propylene derived from chemical recycling, or may contain propylene derived from chemical recycling and propylene derived from fossil fuel and/or propylene derived from biomass.
- the ethylene/ ⁇ -olefin copolymer (C) used in the present invention is a random copolymer of ethylene and an ⁇ -olefin having 4 to 8 carbon atoms, and has a density of 0.850 to 0.880 g/cm. 3.
- This ethylene/ ⁇ -olefin copolymer (C) contributes to improvement in dimensional stability (reduction in coefficient of linear expansion) of molded article (i) and laminated structure having the same through a synergistic effect with other components. In addition to contributing to the improvement of other physical properties, the molded product exhibits a high degree of physical property balance.
- 1-butene, 1-hexene and 1-octene are preferable as the ⁇ -olefin having 4 to 8 carbon atoms constituting the ethylene/ ⁇ -olefin copolymer (C).
- One type of ⁇ -olefin may be used alone, or two or more types may be used in combination.
- the ethylene/ ⁇ -olefin copolymer (C) an ethylene-octene copolymer and an ethylene-butene copolymer are particularly preferred.
- the melt flow rate (230°C, 2.16 kg load) of the ethylene/ ⁇ -olefin copolymer (C) is 0.5 to 30 g/10 minutes, preferably 1 to 25 g/10 minutes, more preferably 2. ⁇ 20 g/10 min.
- melt flow rate (230° C., 2.16 kg load) of the ethylene/ ⁇ -olefin copolymer (C) is 0.5 g/10 minutes or more, the fluidity of the polypropylene resin composition will be reduced and during kneading Insufficient dispersion is less likely to occur, and physical properties such as impact resistance and the like tend to be less likely to deteriorate and the surface appearance of molded products to be less likely to occur. Also, when the melt flow rate (230° C., 2.16 kg load) is 30 g/10 minutes or less, the molded article (i) and the laminated structure having it tend to have sufficient impact resistance.
- the ethylene/ ⁇ -olefin copolymer (C) has a density of 0.850 to 0.880 g/cm 3 , preferably 0.855 to 0.875 g/cm 3 .
- the melting point peak of the ethylene/ ⁇ -olefin copolymer (C) is 110°C or higher, preferably 110 to 130°C.
- Melting peak means the value determined by differential scanning calorimeter (DSC). Specifically, the temperature at the maximum peak position when the endothermic curve of a differential scanning calorimeter (DSC) is obtained can be obtained as the melting point peak (Tm).
- Inorganic filler (D) As the inorganic filler (D) used in the present invention, known inorganic fillers can be used without particular limitation. Examples include talc, calcium carbonate, natural mica, synthetic mica, wollastonite, montmorillonite and the like. An inorganic filler (D) may be used individually by 1 type, and may be used in combination of 2 or more types. Among them, talc is preferred. By using such an inorganic filler (D), the mechanical properties of the molded article (i) and the laminated structure having the molded article (i) are improved.
- the inorganic filler (D) is not particularly limited as long as it is dispersed in the resin composition. It is 10.0 ⁇ m or less, preferably 3.0 ⁇ m to 8.0 ⁇ m, more preferably 3.0 ⁇ m to 7.0 ⁇ m.
- This average particle size is a value measured by a laser diffraction method. Specifically, it is the particle size at an integrated value of 50% in the particle size distribution determined by a particle size distribution analyzer such as a laser diffraction scattering type particle size distribution analyzer. 920 type etc. are mentioned.
- the aspect ratio of the inorganic filler (D) is not particularly limited, it is usually 3 or more and less than 15, preferably 4-13, more preferably 5-11.
- the aspect ratio is a value that represents the ratio of the major diameter to the thickness of the filler, or the ratio of the long side to the short side. If this aspect ratio is 3 or more, the rigidity and dimensional stability of the molded product tend to be less likely to decrease. On the other hand, if it is less than 15, the balance of mechanical properties is less likely to deteriorate, and the impact strength tends to be less likely to decrease.
- this aspect ratio is a value obtained by taking a photograph using an electron microscope, measuring the length and thickness of the powder, obtaining an average value, and calculating the average particle diameter/average thickness ratio.
- the inorganic filler (D) contributes to improving the dimensional stability (reducing the linear expansion coefficient) of the molded article (i) and the laminated structure having the same, and improves mechanical properties such as rigidity and impact strength. contribute to When the inorganic filler (D) has the above-described average particle size (and aspect ratio), a synergistic effect with other components results in a high degree of excellent dimensional stability and excellent rigidity and impact resistance. It is suitable because a good balance of physical properties is likely to appear.
- any shape of inorganic filler such as granular, plate-like, rod-like, fibrous, and whisker-like can be used.
- Inorganic fillers commercially available as fillers for polymers can also be used.
- chopped strands, compressed masses, pellets (granules), granules, and the like, which are more convenient to handle, can be used. Among them, powdery, compacted lumps, and granules are preferred.
- the inorganic filler (D) may be a mixture of two or more types of inorganic fillers.
- the method for producing the inorganic filler (D) is not particularly limited, and can be produced by various known methods.
- talc for example, is used as the inorganic filler (D)
- talc having a specific average particle size and aspect ratio can be produced by pulverization or granulation.
- the aspect ratio and average particle size of talc can be appropriately adjusted by the pulverization device and the pulverization time, and talc with a controlled shape can be obtained by classification as necessary.
- the inorganic filler (D) one obtained by pulverizing ore may be used directly, or one that has been surface-treated at least partially may be used.
- various surface treatment agents such as organic titanate coupling agents, organic silane coupling agents, modified polyolefins grafted with unsaturated carboxylic acids or their anhydrides, fatty acids, fatty acid metal salts, and fatty acid esters are used. Available.
- One surface treatment agent may be used alone, or two or more kinds may be used in combination.
- the polypropylene-based resin composition according to the present invention may optionally contain a nucleating agent, a heat stabilizer, an antistatic agent, a weather stabilizer, a light stabilizer, an anti-aging agent, an antioxidant, a fatty acid metal salt, and a softening agent.
- a nucleating agent e.g., sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium
- the polypropylene-based resin composition according to the present invention comprises a propylene-based polymer (A) of 5 to 47 parts by mass, a propylene homopolymer (B) of 20 to 30 parts by mass, and an ethylene/ ⁇ -olefin copolymer (C) of 23 to 30 parts by mass, and 30 to 40 parts by mass of inorganic filler (D) [however, the total amount of components (A) to (D) shall be 100 parts by mass. ] contains.
- the polypropylene-based resin composition according to the present invention preferably comprises a propylene-based polymer (A) of 7 to 35 parts by mass, a propylene homopolymer (B) of 20 to 30 parts by mass, and an ethylene/ ⁇ -olefin copolymer (C ) 23 to 28 parts by mass, and inorganic filler (D) 32 to 40 parts by mass [however, the total amount of components (A) to (D) is 100 parts by mass. ] contains.
- the polypropylene-based resin composition according to the present invention includes a propylene-based polymer (A) of 8 to 28 parts by mass, a propylene homopolymer (B) of 23 to 30 parts by mass, and an ethylene/ ⁇ -olefin copolymer ( C) 24 to 28 parts by mass, and inorganic filler (D) 33 to 38 parts by mass [provided that the total amount of components (A) to (D) is 100 parts by mass. ] contains.
- A propylene-based polymer
- B propylene homopolymer
- C ethylene/ ⁇ -olefin copolymer
- D inorganic filler
- the polypropylene resin composition according to the present invention is particularly preferably composed of a propylene polymer (A) of 10 to 22 parts by mass, a propylene homopolymer (B) of 25 to 30 parts by mass, and an ethylene/ ⁇ -olefin copolymer ( C) 24 to 27 parts by mass, and inorganic filler (D) 34 to 37 parts by mass [provided that the total amount of components (A) to (D) is 100 parts by mass. ] contains.
- the polypropylene-based resin composition according to the present invention can be produced by blending the components (A) to (D) described above and, if necessary, optional components such as additives. Each component may be added successively in any order, or may be mixed at the same time. Also, a multi-stage mixing method may be employed in which some components are mixed and then other components are mixed. Specifically, for example, after first blending components (A) to (C), which are resin components (organic compound components) in the polypropylene resin composition, then component (D) and, if necessary, additives It can also be produced by adding and blending optional components such as
- each component can be mixed or melt-kneaded simultaneously or sequentially. mentioned.
- the melt flow rate (230°C, 2.16 kg load) of the polypropylene-based resin composition according to the present invention is usually 23 g/10 minutes or more, preferably more than 23 g/10 minutes and 50 g/10 minutes or less. By setting the melt flow rate within such a range, good moldability can be obtained, and deterioration of coating appearance after injection molding can be suppressed.
- the molded article (i) according to the present invention is a molded article obtained from the above polypropylene-based resin composition according to the present invention. Molded article (i) can be obtained by appropriately molding the polypropylene-based resin composition according to the present invention.
- the method for molding the polypropylene-based resin composition is not particularly limited, and various known methods for molding the resin composition can be used. Injection molding and press molding are particularly preferable as the method for molding the molded article (i).
- the molded article (i) obtained from the polypropylene-based resin composition according to the present invention has small dimensional changes due to temperature changes and is excellent in dimensional stability. Excellent stability.
- the cured resin layer (ii) is a layer of cured resin containing a curable resin (E) having a urethane bond.
- the curable resin (E) used in the present invention is a curable resin having urethane bonds.
- a curable resin (E) known curable resins having urethane bonds can be used without limitation, and specific examples thereof include polyurethane resins.
- the curable resin (E) having a urethane bond may contain a urea bond, a burette bond, etc. in addition to the urethane bond. If necessary, a curing agent may be used in the production of the resin-cured layer (ii) containing the curable resin (E) having a urethane bond.
- a known polyurethane resin can be used as the polyurethane resin used as the curable resin (E) having a urethane bond.
- polymers obtained by reacting polyfunctional isocyanates or derivatives thereof with polyols or derivatives thereof and/or polyesters or derivatives thereof can be used.
- Polyfunctional isocyanates or derivatives thereof used as raw materials for polyurethane resins include polyfunctional isocyanates such as tolylene diisocyanate (TDI), 4,4′-diphenylmethane diisocyanate (MDI), isophorone diisocyanate and norbornane diisocyanate. Examples thereof include isocyanates and derivatives such as block derivatives or isocyanurate derivatives thereof. These can be used individually by 1 type, and can also be used in combination of 2 or more types.
- polyols or derivatives thereof used as raw materials for polyurethane resins include polypropylene glycols having a molecular weight of 500 to 100,000, polyethylene glycol-polypropylene glycol block copolymers, terminally aminated polypropylene glycols, and the like. These can be used individually by 1 type, and can also be used in combination of 2 or more types.
- polyesters or derivatives thereof used as raw materials for polyurethane resins include polyethylene terephthalate, polyethylene isophthalate, polybutylene terephthalate and polybutylene isophthalate, and reaction products of these polyesters with polyethylene glycol or polypropylene glycol. These can be used individually by 1 type, and can also be used in combination of 2 or more types.
- a polyurethane resin from a polyfunctional isocyanate and a polyol and/or polyester for example, the two can be mixed and stirred so that the polyfunctional isocyanate is in an equimolar to excess amount.
- a polymerization accelerator such as an amine compound may be blended.
- the cured resin layer (ii) according to the present invention may be produced by applying a composition such as an adhesive or a paint containing the raw material of the polyurethane resin described above onto the molded body (i) and curing it. It may be produced by coating it on another member to be attached to the body (i) and curing it.
- a laminate comprising the molded body (i), the cured resin layer (ii), and other members is prepared by coating the molded body (i) with the composition containing the raw material for the polyurethane resin, and then attaching it to the molded body (i).
- Other members to be combined are bonded together and cured before the composition is cured, or coated on a member other than the molded body (i), and the molded body (i) is combined with the molded body (i) when the composition is cured. It can be manufactured by pasting and curing before bonding.
- the cured resin layer (ii) according to the present invention is, for example, a layer made of a composition obtained by mixing a first agent containing a curable resin (E) having a urethane bond and a second agent containing a curing agent, It may be obtained by curing, or may be obtained by forming a layer composed of a moisture-curable composition containing a curable resin (E) having a urethane bond and curing it, and urethane, which is a thermosetting resin It may be obtained by forming a layer containing a curable resin (E) having a bond and heat-curing it.
- the cured resin layer (ii) according to the present invention is preferably a cured adhesive containing a polyurethane resin or an adhesive that forms a urethane bond.
- the adhesive include a normal temperature two-component adhesive, a one-component moisture-curable adhesive, and a thermosetting adhesive.
- a cured resin layer obtained by curing such an adhesive contains a curable resin having a urethane bond.
- Known adhesives can be used as adhesives containing polyurethane resins or adhesives that form urethane bonds, but two-component or one-component moisture-curing adhesives and aqueous or aqueous emulsion adhesives are preferred.
- two-component or one-component moisture-curing adhesives and water-based or water-based emulsion-based adhesives including polyurethane resins such as urethane resins, acrylic resins, urethane/acrylic resins, and epoxy resins.
- polyurethane resins such as urethane resins, acrylic resins, urethane/acrylic resins, and epoxy resins.
- the adhesive can be used in combination with a main agent (a composition containing an isocyanate compound) and a curing agent (a composition containing an active hydrogen-containing compound such as polyol).
- a main agent a composition containing an isocyanate compound
- a curing agent a composition containing an active hydrogen-containing compound such as polyol.
- main agents include isocyanate-based, polyisocyanate-based, and the like
- curing agents include polyol-based, polyamine-based, and the like.
- the curing agent may be subjected to a latentizing treatment and blended with the adhesive, it is usually used by mixing with the adhesive at a specific ratio immediately before application.
- isocyanate-based and polyisocyanate-based agents are preferable.
- a commercially available polyurethane-based adhesive can also be used as the adhesive.
- the cured resin layer containing the curable resin (E) having a urethane bond is preferably a cured urethane adhesive containing a urethane prepolymer having a polyether skeleton and an aliphatic isocyanate derivative.
- Urethane prepolymer is produced by reacting a polyisocyanate compound having two or more isocyanate groups in one molecule with an active hydrogen compound having two or more active hydrogen atoms in one molecule that react with isocyanate groups. Obtainable.
- Polyisocyanate compounds used in the preparation of urethane prepolymers include aliphatic polyisocyanates such as hexamethylene diisocyanate, 1,5-pentamethylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, and lysine methyl ester diisocyanate; ,4-cyclohexane diisocyanate, isophorone diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, hydrogenated tolylene diisocyanate, norbornene diisocyanate, hydrogenated m-xylylene diisocyanate, hydrogenated p-xylylene diisocyanate and other alicyclic polyisocyanates p-phenylene diisocyanate, 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 3,3'-dimethyldiphenyl-4,4'-diisocyanate
- polyol compounds having two or more alcoholic hydroxyl groups in one molecule such as polyether polyols, polyester polyols or other polyols, may be used singly or in combination of two or more. Although they can be used, it is preferred to use polyether polyols.
- a urethane prepolymer obtained by using a polyether polyol as an active hydrogen compound has a polyether skeleton, and the obtained adhesive has excellent adhesive performance with the molded article (i).
- These polyol compounds preferably have a number average molecular weight of 100 to 50,000, particularly 300 to 10,000.
- polyether polyols which are active hydrogen compounds that can be suitably used in the preparation of urethane prepolymers, include polyoxyethylene glycol, polyoxypropylene glycol, polyoxyethyleneoxypropylene glycol, polyoxytetramethylene glycol, polyoxy In addition to hexamethylene glycol and the like, low-molecular-weight active hydrogen compounds having two or more active hydrogens, such as bisphenol A, ethylene glycol, propylene glycol, butylene glycol, and diols such as 1,6-hexanediol; glycerin, trimethylolpropane , 1,2,6-hexanetriol and the like; propylene oxide and/or ethylene oxide ring-opening in the presence of one or more of amines such as ammonia, methylamine, ethylamine, propylamine and butylamine; A random copolymer obtained by polymerization can be mentioned.
- active hydrogen compounds having two or more active hydrogens, such as bisphenol
- the urethane prepolymer has a ratio of more than 1 mol of isocyanate groups contained in the polyisocyanate compound to 1 mol of hydroxyl groups contained in the polyol compound, that is, the chemical equivalent ratio (NCO/OH) exceeds 1.
- NCO/OH chemical equivalent ratio
- a compounding it can be obtained by reacting a polyol compound and a polyisocyanate compound by heating as necessary.
- Such urethane prepolymers usually have isocyanate groups at both ends of the molecule.
- a polyol compound and a polyisocyanate compound are reacted at a chemical equivalent ratio (NCO/OH) of 1.5 to 20 between the hydroxyl group contained in the polyol compound and the isocyanate group contained in the polyisocyanate compound. and exhibiting a liquid state at 23° C. is more preferable from the viewpoint of workability, physical properties of the cured product, and the like.
- a urethane prepolymer obtained by reacting a polyether polyol and an aromatic polyisocyanate compound is preferable from the viewpoint of excellent adhesiveness and curability.
- an isocyanate derivative that acts as a main agent can be used without particular limitation.
- isocyanates, diisocyanates, polyisocyanates, and derivatives thereof can be used.
- polyfunctional isocyanates described above or derivatives thereof can be used.
- the isocyanate derivative is preferably a compound having an isocyanurate structure and an isocyanate group.
- the isocyanate derivative when a compound having an isocyanurate structure and an isocyanate group, especially a compound having an isocyanurate structure and an isocyanate group, which is an aliphatic isocyanate derivative, is used, the adhesive strength with the molded article (i) is increased. This is preferable because it is expensive.
- the isocyanurate structure is a structure represented by the following formula (B1).
- the aliphatic isocyanate derivative can have at least one isocyanurate structure per molecule, and having one isocyanurate structure is one preferred embodiment.
- the isocyanate derivative can have at least one isocyanate group per molecule, preferably a plurality of isocyanate groups, and more preferably three or more isocyanate groups.
- the isocyanurate structure and the isocyanate group can be bonded directly or via a linking group, and bonding via a linking group is one preferred embodiment.
- the isocyanurate structure and the isocyanate group can be bonded directly or via a linking group, and bonding via a linking group is one preferred embodiment.
- Examples of the linking group include a hydrocarbon group that may have a heteroatom.
- One preferred embodiment of the above hydrocarbon group is that it is composed only of carbon atoms and hydrogen atoms.
- the hydrocarbon group is not particularly limited, but specific examples thereof include aliphatic hydrocarbon groups, aromatic hydrocarbon groups, and combinations thereof. Among them, an aliphatic hydrocarbon group is preferred.
- the above aliphatic hydrocarbon group may be linear, branched, cyclic, or a combination thereof. Specific examples of the aliphatic hydrocarbon group include linear or branched aliphatic hydrocarbon groups.
- the aliphatic hydrocarbon group is preferably a straight-chain aliphatic hydrocarbon group from the viewpoint of superior effects of the present invention.
- the aliphatic hydrocarbon group preferably has 1 to 20 carbon atoms, more preferably 3 to 10 carbon atoms, and even more preferably 4 to 5 carbon atoms, from the viewpoint of being superior in the effects of the present invention.
- the aliphatic hydrocarbon group includes a methylene group, an ethylene group, a propylene group, a trimethylene group, a butylene group, a pentylene group, a hexylene group, a heptylene group, an octylene group, a nonylene group, A decylene group is preferred, a butylene group and a pentylene group are more preferred, and a pentylene group is even more preferred.
- the heteroatom which the hydrocarbon group may have is not particularly limited, and specific examples thereof include oxygen atom, nitrogen atom, sulfur atom, halogen atom (fluorine atom, chlorine atom, bromine atom, etc.) and the like. be done.
- the heteroatom may be combined with another heteroatom, carbon atom or hydrogen atom to form a functional group.
- the isocyanate derivative is preferably a compound represented by the following formula (B2) from the viewpoint of being more excellent in the effects of the present invention.
- R 141 , R 142 and R 143 each independently represent a hydrocarbon group which may have a heteroatom.
- the hydrocarbon group optionally having a heteroatom as R 141 etc. is the same as described above.
- the isocyanate derivative preferably contains an isocyanurate of an aliphatic polyisocyanate described later, and an isocyanurate of pentamethylene diisocyanate (represented by the following formula (B2-1) compound) and/or an isocyanurate of hexamethylene diisocyanate (a compound represented by the following formula (B2-2)), more preferably an isocyanurate of pentamethylene diisocyanate.
- the isocyanate derivative may be composed of, for example, a polyisocyanate compound.
- the polyisocyanate compound is not particularly limited as long as it is a compound in which a plurality of isocyanate groups are bonded to the linking group.
- aliphatic polyisocyanates compounds in which a plurality of isocyanate groups are bonded to the above aliphatic hydrocarbon group are preferred.
- isocyanate derivatives include aliphatic diisocyanates such as pentamethylene diisocyanate (PDI) and hexamethylene diisocyanate (HDI).
- aliphatic diisocyanates such as pentamethylene diisocyanate (PDI) and hexamethylene diisocyanate (HDI).
- the polyisocyanate compounds that can constitute the isocyanate compound (B) may be one or a combination of two or more.
- the above isocyanate derivative is excellent in the effects of the present invention (initial adhesion and adhesion durability), and since it has a low viscosity and is easy to add to the composition, the compound represented by the above formula (B2-1) is preferable. .
- the content of the isocyanate derivative is preferably 0.10 to 10.0% by mass with respect to the total amount of the composition of the present invention, from the viewpoint that the effect of the present invention (especially adhesion durability) is excellent. 0.50 to 5.0% by mass is more preferable.
- An adhesive containing a polyurethane resin or an adhesive that forms a urethane bond is a compound represented by the following formula (X) (in formula (X), R 37 and R 38 are each independently a hydrocarbon group represents an adduct of a phenolic compound. This adduct can function as a tackifier in adhesives containing polyurethane resins or adhesives forming urethane bonds.
- R 37 and R 38 each independently represent a hydrocarbon group.
- the hydrocarbon groups for R 37 and R 38 are not particularly limited.
- the hydrocarbon group may have a heteroatom.
- One preferred mode is that it is composed only of carbon atoms and hydrogen atoms.
- the hydrocarbon group is not particularly limited, but specific examples thereof include aliphatic hydrocarbon groups, aromatic hydrocarbon groups, and combinations thereof. Among them, an aliphatic hydrocarbon group is preferred.
- the above aliphatic hydrocarbon group may be linear, branched, cyclic, or a combination thereof. Specific examples of the aliphatic hydrocarbon group include linear or branched aliphatic hydrocarbon groups.
- the aliphatic hydrocarbon group is preferably a straight-chain aliphatic hydrocarbon group from the viewpoint of superior effects of the present invention.
- the aliphatic hydrocarbon group preferably has 1 to 20 carbon atoms, more preferably 1 to 10 carbon atoms, from the standpoint of superior effects of the present invention.
- the aliphatic hydrocarbon group is a methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, or decyl group from the viewpoint that the effect of the present invention is superior. is preferred, and a methyl group is more preferred.
- Examples of the aromatic hydrocarbon group include an aryl group and a naphthyl group.
- Examples of the aryl group include aryl groups having 6 to 18 carbon atoms such as a phenyl group, a tolyl group, and a xylyl group.
- the heteroatom which the hydrocarbon group may have is not particularly limited, and specific examples thereof include oxygen atom, nitrogen atom, sulfur atom, halogen atom (fluorine atom, chlorine atom, bromine atom, etc.) and the like. be done.
- the heteroatom may be combined with another heteroatom, carbon atom or hydrogen atom to form a functional group.
- camphene is a compound represented by the following formula (X1).
- the other compound forming the adduct is a phenolic compound.
- the phenol compound is not particularly limited as long as it is a compound in which a hydroxy group is bonded to a benzene ring.
- the above phenol compound can have one or more phenolic hydroxy groups (hydroxy groups directly bonded to a benzene ring) in one molecule, and preferably has one.
- Examples of the phenol compound include compounds represented by the following formula (Y).
- R 39 represents a substituent and n2 represents 0 or 1-4.
- substituents for R 39 in formula (Y) include hydrocarbon groups and hydroxy groups.
- n2 represents 0 or 1 to 4, and 0 is preferable from the viewpoint of superior effects of the present invention.
- the phenol compound is preferably phenol from the viewpoint of being more excellent in the effects of the present invention.
- the adduct is preferably a reaction product of one molecule of the compound represented by the formula (X) and one molecule of the phenol compound, from the viewpoint of being superior to the effects of the present invention and having little odor.
- the adduct may have a phenolic hydroxy group or a phenoxy group (both of which may further have the above substituents on the benzene ring) of the phenol compound. preferable.
- the adduct should at least contain the reaction product.
- the above-mentioned adduct may further contain reaction by-products and unreacted substances in addition to the above-mentioned reaction products.
- Examples of the adducts include compounds represented by the following formulas (Z1) to (Z3).
- R 40 and R 41 each independently represent a hydrocarbon group
- R 42 represents a substituent
- n3 represents 0 or 1-4.
- the hydrocarbon groups for R 40 and R 41 are the same as the hydrocarbon groups for R 37 and R 38 in formula (X).
- the substituent for R 42 is the same as the substituent for R 39 in formula (Y).
- n3 represents 0 or 1 to 4, with 0 being preferred.
- R 43 and R 44 each independently represent a hydrocarbon group, R 45 represents a substituent, and n4 represents 0 or 1-4.
- the hydrocarbon groups as R 43 and R 44 are the same as the hydrocarbon groups as R 37 and R 38 in formula (X).
- the substituent as R 45 is the same as the substituent as R 39 in formula (Y).
- n4 represents 0 or 1 to 4, with 0 being preferred.
- R 51 and R 52 each independently represent a hydrocarbon group
- R 53 represents a substituent
- n5 represents 0 or 1-4.
- the substituent for R 53 is the same as the substituent for R 39 in formula (Y).
- n5 represents 0 or 1 to 4, with 0 being preferred.
- the above adducts are compounds represented by the following formula (Z1-1), compounds represented by formula (Z1-2), and formula (Z2-1). It preferably contains at least one compound selected from the group consisting of the compound represented by the formula (Z2-2) and the compound represented by the formula (Z3-1).
- the method for producing the adduct is not particularly limited as long as it is a method of reacting the compound represented by the formula (X) with the phenol compound.
- the amounts of the compound represented by the formula (X) and the phenol compound used in the reaction are not particularly limited.
- the amount (molar ratio) of the compound represented by the formula (X) and the phenol compound used (represented by (X) compound: phenolic compound) can be, for example, 1:0.5-2, preferably 1:0.8-1.2, more preferably 1:1.
- the compound represented by the formula (X) and the phenol compound can be reacted in the presence of a catalyst.
- the catalyst include boron trifluoride etherate.
- the compound represented by formula (X) may be reacted with the phenol compound in a solvent.
- the solvent include aromatic hydrocarbons such as benzene and toluene; aliphatic hydrocarbons such as cyclohexane; and halogenated hydrocarbons such as carbon tetrachloride.
- the reaction temperature for reacting the compound represented by the formula (X) with the phenol compound can be, for example, 0 to 100°C.
- the content of the adduct is 0.05 to 10% by mass with respect to the total amount of the composition (adhesive) forming the curable resin (E) of the present invention, from the viewpoint of superior effects of the present invention. is preferred, and 0.1 to 1.0% by mass is more preferred.
- the mass ratio of the content of the isocyanate derivative to the content of the adduct is 0.1:1 to 50:1 from the viewpoint that the effect of the present invention is superior. is preferred, and 10:1 to 2:1 is more preferred.
- it can be appropriately selected whether the above-mentioned adduct is added to the main agent or the curing agent.
- the adhesive containing the polyurethane resin or the adhesive forming the urethane bond may contain components other than those mentioned above.
- other components include, for example, fillers (e.g., carbon black, calcium carbonate), catalysts (curing catalysts), plasticizers, antioxidants, antioxidants, silane coupling agents, pigments (dyes), Additives such as tackifiers, terpene compounds such as terpineol, thixotropic agents, UV absorbers, flame retardants, surfactants (including leveling agents), dispersants, dehydrating agents, antistatic agents, etc. can contain.
- fillers e.g., carbon black, calcium carbonate
- catalysts curing catalysts
- plasticizers e.g., antioxidants, antioxidants, silane coupling agents, pigments (dyes)
- Additives such as tackifiers, terpene compounds such as terpineol, thixotropic agents, UV absorbers, flame retardants, surfactants (including leveling agents
- the filler may be surface-treated with, for example, at least one treating agent selected from the group consisting of fatty acids, resin acids, urethane compounds and fatty acid esters.
- at least one treating agent selected from the group consisting of fatty acids, resin acids, urethane compounds and fatty acid esters.
- the adhesive is of a two-component type, it can be appropriately selected whether the optional component is added to the main agent or the curing agent.
- the cured resin layer (ii) may be a layer containing the above-described curable resin (E) having a urethane bond, and the method for forming the layer is not limited, but preferably an adhesive containing a polyurethane resin. Alternatively, it is obtained by curing an adhesive that forms a urethane bond.
- the curable resin (E) having a urethane bond and the resin-cured layer (ii) containing it are manufactured using biomass-derived raw materials, at least in part, from the viewpoint of utilizing renewable resources and reducing CO emissions. It is also preferable that the That is, in the present invention, when forming a curable resin (E) having a urethane bond, such as a component constituting an adhesive containing a polyurethane resin or an adhesive that forms a urethane bond, or a cured resin layer (ii) containing the same It is preferable to use one or more biomass-derived raw materials as the raw materials used in the above.
- biomass refers to “renewable, biologically derived organic resources excluding fossil resources.” It means a raw material containing a component derived from the generated organic matter. Whether or not the material is a biomass-derived material can also be determined by the ratio of biomass-derived carbon determined by the 14C method specified in ASTM D6866.
- biomass-derived raw materials examples include raw materials with a biomass content of 50% or more as measured by ASTM D6866 Method B, raw materials with a vegetable content (ratio of plant-derived components) of 50% or more, and natural resources other than fossil resources.
- Commercially available raw materials and the like that are clearly stated to be derived from the raw materials can be used without particular limitation.
- the laminated structure of the present invention is obtained by directly laminating a resin-cured layer (ii) containing a curable resin (E) having a urethane bond on the molded body (i) made of the polypropylene-based resin composition described above. .
- the polypropylene-based resin composition according to the present invention has excellent adhesion to the resin-cured layer (ii) containing the curable resin (E) having a urethane bond, and the molded article (i) and the resin-cured layer (ii) are primers. Although they are directly laminated without intervening, they are strongly adhered to each other, and the laminated structure maintains a high degree of adhesive strength even at high temperatures at which the adhesive strength usually decreases.
- the molded article (i), the cured resin layer (ii), and the manufacturing method and shape of the laminated structure of the present invention in which these are laminated are not limited.
- the laminated structure of the present invention may be a laminated structure consisting of only the molded body (i) and the cured resin layer (ii), and the molded body (i) and the layers other than the cured resin layer (ii) may further include It may be a laminated structure, for example, a laminated structure in which the molded body (i), the resin cured layer (ii), and another member are laminated in this order.
- a laminated structure in which the molded article (i), the cured resin layer (ii), and another member are laminated is obtained, for example, by applying a curable composition that forms the cured resin layer (ii) on the molded article (i).
- a curable composition that forms the resin cured layer (ii) is applied, the molded body (i) is attached before the composition is cured, and the composition is cured to form the molded body (i) and other members. It can be produced by a method of forming a cured resin layer (ii) therebetween.
- the cured resin layer (ii) is obtained by curing an adhesive containing a polyurethane resin or an adhesive that forms a urethane bond
- the cured resin layer (ii) is obtained by coating the adhesive on the molded article (i). It may be manufactured by applying and curing the adhesive, or the adhesive may be coated on the molded body (i) and cured in a state where it is attached to another member, and the adhesive may be coated on the molded body (i ) may be coated on another member to be bonded together with the molded article (i), and cured while being bonded to the molded body (i).
- the molded body (i) is coated with an adhesive on a release film or the like.
- the release film is peeled off to form an adhesive layer on the molded body (i), another member is bonded, and then the adhesive layer is cured to produce the cured resin layer (ii).
- a release film or the like coated with an adhesive is attached to another member, the release film is peeled off to form an adhesive layer on the other member, the molded body (i) is attached, and then the adhesive layer may be cured to produce the cured resin layer (ii).
- the adhesive is in contact with the molded article (i) during curing, and it is more preferable to apply the adhesive onto the molded article (i) and cure it. preferable.
- the method for producing a laminated structure of the present invention includes a step of molding the above-described polypropylene-based resin composition by injection molding or press molding to produce a molded body (i); and a step of contacting or applying a curable resin (E) having a urethane bond or a raw material thereof to the molded body (i) and then curing the resin to form a cured resin layer (ii).
- the surface of the molded body (i) obtained by injection molding or press molding the polypropylene resin composition described above is subjected to surface treatment such as flame treatment or plasma treatment as necessary.
- a curable resin (E) having a urethane bond or an adhesive as a raw material thereof is directly applied and cured to form a cured resin layer (ii).
- the curing conditions can be selected depending on the type of the curable resin (E) used or its raw material, the presence or absence and type of the curing agent. Can be cured at temperature.
- the laminated structure of the present invention may have layers of members other than the molded body (i) and the cured resin layer (ii).
- a preferred embodiment of the laminated structure of the present invention is a laminated structure in which the molded article (i), the resin-cured layer (ii), and another member layer are laminated in this order. In such a laminated structure, it is preferable that the molded body (i) and the layer of the other member are adhered via the cured resin layer (ii).
- the other member constituting the layer of the other member is not particularly limited and may be any member, for example, resin members such as ABS resin, PVC sheet, polyolefin sheet, polyolefin sheet with foam layer, glass, cloth , fabrics, metals (iron (mild steel), cationic electrodeposited steel sheets, aluminum, etc.), wood, paper, and composites thereof.
- resin members such as ABS resin, PVC sheet, polyolefin sheet, polyolefin sheet with foam layer, glass, cloth , fabrics, metals (iron (mild steel), cationic electrodeposited steel sheets, aluminum, etc.), wood, paper, and composites thereof.
- a curable resin (E) having a urethane bond constituting the cured resin layer (ii) or a raw material thereof is applied to the surface of the molded body (i).
- Such a laminate structure of the present invention is excellent in dimensional stability, and the molded article (i) and the cured resin layer (ii) are strongly bonded without a primer even at high temperatures at which adhesion tends to decrease. It will be For example, it maintains a high level of adhesive strength even in a high temperature environment of about 90°C, which is considered to be the most difficult to achieve in conventional adhesive tests, and exhibits sufficient adhesive strength even in a hot shear test at 90°C.
- the interlayer shear between the molded body (i) and the resin cured layer (ii) is usually 1.2 MPa or more, preferably 1.5 MPa or more, more preferably 2.0 MPa or more, and further preferably 2.5 MPa or more, which is excellent adhesive strength.
- the laminate structure of the present invention is used for automotive interior materials such as door trims, instrument panels, ceilings, console boxes, pillars, and glove boxes; and automotive exterior materials such as bumpers, side guards, air spoilers, side protectors, fenders, door panels, and back doors. It can be suitably used as industrial parts such as members, household appliance parts, building materials, etc., and can be particularly suitably used as automotive exterior parts such as back doors.
- This mass was expressed as x 2 (g) in the following formula) was placed in a glass measuring container, 500 ml of n-decane, And a small amount of a heat stabilizer soluble in n-decane was charged, and the sample was dissolved by raising the temperature to 150 ° C. over 2 hours while stirring with a stirrer under a nitrogen atmosphere, holding at 150 ° C. for 2 hours, Slowly cooled to 23° C. over 8 hours. The resulting liquid containing precipitates was filtered under reduced pressure through a 25G-4 standard glass filter manufactured by Iwata Glass Co., Ltd.
- melting point peak An endothermic curve of a differential scanning calorimeter (DSC) is determined, and the temperature at the maximum peak position is determined as the melting point peak (Tm). Pyris 1 manufactured by PerkinElmer was used as a measuring machine. The sample was packed in an aluminum pan, held at 30°C for 1 minute, then heated to 160°C at 500°C/min, held at 160°C for 5 minutes, and then cooled to -30°C at 10°C/min. Then, the melting point peak (Tm) was obtained from the endothermic curve obtained when the temperature was raised from -30°C to 160°C at 10°C/min.
- the solid portion was collected by hot filtration, resuspended in 275 mL of titanium tetrachloride, and then heated again at 110°C for 2 hours. After completion of the reaction, the solid portion was collected again by hot filtration and thoroughly washed with 110° C. decane and hexane until no free titanium compound was detected in the solution.
- this free titanium compound was confirmed by the following method. 10 mL of the supernatant liquid of the solid catalyst component was collected with a syringe and charged into a 100 mL branched Schlenk tube previously purged with nitrogen. Next, the solvent hexane was dried with a stream of nitrogen, followed by vacuum drying for 30 minutes. 40 mL of ion-exchanged water and 10 mL of (1+1) sulfuric acid were added thereto and stirred for 30 minutes.
- This aqueous solution was transferred to a 100 mL volumetric flask through a filter paper, then 1 mL of concentrated H 3 PO 4 solution as a masking agent for iron (II) ions and 5 mL of 3% hydrogen peroxide aqueous solution as a coloring reagent for titanium were added, followed by addition of deionized water.
- the volumetric flask filled up to 100 mL was shaken, and after 20 minutes, the absorbance at 420 nm was observed using UV, and free titanium was removed by washing until this absorption was no longer observed.
- the solid titanium catalyst component prepared as described above was stored as a decane slurry, a portion of which was dried for the purpose of investigating the catalyst composition.
- the composition of the solid titanium catalyst component thus obtained was 2.3% by weight of titanium, 61% by weight of chlorine, 19% by weight of magnesium and 12.5% by weight of DIBP.
- (2) Preparation of prepolymerization catalyst 100 g of the solid titanium catalyst component, 131 mL of triethylaluminum, 37.3 mL of diethylaminotriethoxysilane, and 14.3 L of heptane are placed in an autoclave with an internal volume of 20 L and equipped with a stirrer, and the internal temperature is 15 to 20.
- the resulting slurry was sent to a 100-L vessel polymerization reactor equipped with a stirrer, and polymerized further. 45 kg/hour of propylene and hydrogen were supplied to the polymerization vessel so that the hydrogen concentration in the gas phase was 8.8 mol %, and polymerization was carried out at a polymerization temperature of 68° C. and a pressure of 3.36 MPa/G.
- the resulting slurry was transferred to a liquid transfer tube with an internal volume of 2.4 L, gasified, and gas-solid separation was performed.
- the polypropylene homopolymer powder was sent to a gas phase polymerization reactor having an internal volume of 480 L, and ethylene/propylene block copolymerization was carried out.
- Polymerization was carried out at a polymerization temperature of 70° C. and a pressure of 1.40 MPa/G.
- the obtained propylene-based block copolymer was vacuum-dried at 80°C.
- the MFR (230° C., 2.16 kg load) of the propylene/ethylene block copolymer (A-1) thus obtained was 80 g/10 min, and the decane soluble portion (propylene/ethylene copolymer component ) was 7% by mass, the amount of the decane-insoluble portion (propylene homopolymer component) was 93% by mass, and the intrinsic viscosity [ ⁇ ] of the decane-soluble portion was 7.5 dl/g.
- the resulting slurry was sent to a 100-L vessel polymerization reactor equipped with a stirrer, and polymerized further. 45 kg/hour of propylene and hydrogen were supplied to the polymerization vessel so that the hydrogen concentration in the gas phase was 3.2 mol %, and polymerization was carried out at a polymerization temperature of 70° C. and a pressure of 3.28 MPa/G. Then, the obtained propylene homopolymer was vacuum-dried at 80°C. The MFR (230° C., 2.16 kg load) of the propylene homopolymer (B-1) thus obtained was 30 g/10 minutes.
- the obtained slurry was sent to a vessel polymerization vessel with an internal capacity of 500 L and equipped with a stirrer, and was further polymerized. 30 kg/hour of propylene and hydrogen were supplied to the polymerization vessel so that the hydrogen concentration in the gas phase was 3.9 mol %, and polymerization was carried out at a polymerization temperature of 74.5° C. and a pressure of 3.4 MPa/G.
- the obtained slurry was sent to a vessel polymerization vessel with an internal volume of 500 L equipped with a stirrer, and polymerized further. 20 kg/hour of propylene and hydrogen were supplied to the polymerization vessel so that the hydrogen concentration in the gas phase was 3.4 mol %, and polymerization was carried out at a polymerization temperature of 73° C. and a pressure of 3.4 MPa/G. Next, the obtained slurry was deactivated, vaporized, and then subjected to gas-solid separation. The obtained propylene homopolymer was vacuum-dried at 80°C. The MFR (230° C., 2.16 kg load) of the propylene homopolymer (B-2) thus obtained was 210 g/10 minutes.
- Polymer 2 A modified silicone resin having a polyoxypropylene main chain and a methyldimethoxysilyl group as a hydrolyzable silyl group at the end.
- Kaneka MS Polymer S203 manufactured by Kaneka Corporation
- Epoxy resin 1 ADEKA RESIN EP-4100 (manufactured by ADEKA CORPORATION)
- Epoxy resin 2 ADEKA RESIN EP-4006 (manufactured by ADEKA CORPORATION)
- Compound 1 isocyanurate form of hexamethylene diisocyanate (Takenate D-170HN, manufactured by Mitsui Chemicals, Inc.)
- Compound 2 A mixture of pentamethylene diisocyanate isocyanurate and allophanate (STABIO D-376N (low viscosity type), manufactured by Mitsui Chemicals, Inc.) (biomass-derived compound: vegetable content (ASTM D6866-04): 67% )
- Compound 1 isocyanurate form
- the adduct used as this compound 4 is a commercially available product, a compound represented by the following formula (Z1-1), a compound represented by the formula (Z1-2), and a compound represented by the formula (Z2-1) at least one compound selected from the group consisting of the compound represented by the formula (Z2-2) and the compound represented by the formula (Z3-1).
- Z1-1 a compound represented by the following formula
- Carbon black #200MP (manufactured by Shin Nikka Carbon Co., Ltd.)
- Calcium carbonate 1 Super S (manufactured by Maruo Calcium Co., Ltd.)
- Calcium carbonate 2 Kalfain 200 (manufactured by Maruo Calcium Co., Ltd.)
- Plasticizer 1 Diisononyl phthalate (manufactured by J-Plus)
- Plasticizer 2 Shellsol TM (manufactured by Japan Chemtech)
- Catalyst 1 dimorpholinodiethyl ether (manufactured by San-Apro Co., Ltd.)
- Catalyst 2 Tin-based catalyst Neostan U-303 (manufactured by Nitto Kasei Co., Ltd.)
- Examples 1 to 3 Comparative Examples 1 to 3 ⁇ Preparation of molded product test piece and surface treatment 3, and using a twin-screw extruder (manufactured by Japan Steel Works, Ltd., TEX (registered trademark) 30 ⁇ ) under the conditions of a cylinder temperature of 180 ° C., a screw rotation of 750 rpm, and an extrusion rate of 60 kg / h. It was extruded to obtain a polypropylene resin composition.
- Table 3 shows the melt flow rate (230° C., 2.16 kg load) of each of the obtained polypropylene resin compositions.
- Each obtained polypropylene resin composition was injection molded at a resin temperature of 210°C and a mold temperature of 40°C using a mold cavity having a length of 350 mm, a width of 100 mm, and a thickness of 3 mm to obtain a flat plate.
- a shape of 100 mm ⁇ 50 mm ⁇ 3 mm was cut out to obtain a molded body test piece (flat plate) for producing a laminated structure.
- the flat plate obtained above was cut into a shape of 100 mm x 25 mm x 3 mm to obtain a test piece.
- Surface treatment (frame treatment) was performed on the surface of the obtained test piece.
- a flame treatment apparatus (FTS 201 manufactured by Arcogas) was used for the surface treatment.
- the flame processor can regulate the flow rate of combustion gases and air.
- the air flow rate was fixed at 100 L/min
- the combustion gas (propane gas) flow rate was adjusted to 3.7 L/min
- the distance between the flat plate and the flame irradiation head was 40 mm
- the processing speed was 800 mm/sec.
- a surface with a surface free energy of 42 dynes/cm (mN/m) was manufactured as (surface treatment state: low treatment).
- a surface with a surface free energy of 52 dynes/cm (mN/m) was produced at a distance of 30 mm and 800 mm/sec (surface treatment state: medium treatment), and a surface free energy of 10 mm and 800 mm/sec was similarly produced.
- the adhesives (E-1) and (E-3) are urethane-based adhesives, and the adhesive layers obtained using these are cured resin containing a curable resin having a urethane bond. form a layer.
- the adhesive (E-2) is a non-urethane adhesive, and the adhesive layer obtained using this adhesive is cured to form a cured resin layer containing a curable resin having a non-urethane bond.
- the laminated structure of the present invention is used for automotive interior materials such as door trims, instrument panels, ceilings, console boxes, pillars and glove boxes; automobiles such as bumpers, side guards, air spoilers, side protectors, fenders, door panels and back doors. It can be suitably used for applications such as exterior members, home appliance parts, and industrial parts such as building materials.
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Abstract
Description
〔1〕ポリプロピレン系樹脂組成物からなる成形体(i)に、ウレタン結合を有する硬化性樹脂(E)を含む樹脂硬化層(ii)が直接積層された積層構造体であって、
前記ポリプロピレン系樹脂組成物が、
メルトフローレート(230℃、2.16kg荷重)が50~150g/10分、デカン可溶部量が6~15質量%であるプロピレン系重合体(A)5~47質量部、
メルトフローレート(230℃、2.16kg荷重)が10~500g/10分であるプロピレン単独重合体(B)20~30質量部、
エチレンと炭素原子数が4~8のα-オレフィンとのランダム共重合体であり、密度が0.850~0.880g/cm3、メルトフローレート(230℃、2.16kg荷重)が0.5~30g/10分、融点ピークが110℃以上であるエチレン・α-オレフィン共重合体(C)23~30質量部、および
無機充填剤(D)30~40質量部
[但し、成分(A)~(D)の合計量を100質量部とする。]
を含有することを特徴とする積層構造体。
〔2〕プライマーレス接着試験において、90℃熱間せん断試験強度が1.5MPaを超えることを特徴とする〔1〕に記載の積層構造体。
〔3〕前記プロピレン系重合体(A)が、プロピレンとエチレンとのブロック共重合体であり、該共重合体のデカン可溶部の極限粘度[η]が2~9dl/gである、〔1〕または〔2〕に記載の積層構造体。
〔4〕前記無機充填材(D)がタルクであり、そのアスペクト比が3以上15未満である、〔1〕~〔3〕のいずれかに記載の積層構造体。
〔5〕前記ウレタン結合を有する硬化性樹脂(E)を含む樹脂硬化層が、ポリエーテル骨格のウレタンプレポリマーと脂肪族イソシアネート誘導体とを含むウレタン系接着剤を硬化させたものである、〔1〕~〔4〕のいずれかに記載の積層構造体。
〔6〕前記成形体(i)が、射出成形体またはプレス成形体である、〔1〕~〔5〕のいずれかに記載の積層構造体。
〔7〕自動車外装部材に用いられる〔1〕~〔6〕のいずれかに記載の積層構造体。
〔8〕〔1〕~〔7〕のいずれかに記載の積層構造体からなる自動車外装部材。
〔9〕メルトフローレート(230℃、2.16kg荷重)が50~150g/10分、デカン可溶部量が6~15質量%であるプロピレン系重合体(A)5~47質量部、
メルトフローレート(230℃、2.16kg荷重)が10~500g/10分であるプロピレン単独重合体(B)20~30質量部、
エチレンと炭素原子数が4~8のα-オレフィンとのランダム共重合体であり、密度が0.850~0.880g/cm3、メルトフローレート(230℃、2.16kg荷重)が0.5~30g/10分、融点ピークが110℃以上であるエチレン・α-オレフィン共重合体(C)23~30質量部、および
無機充填剤(D)30~40質量部
[但し、成分(A)~(D)の合計量を100質量部とする。]
を含有するポリプロピレン系樹脂組成物を、射出成形もしくはプレス成形により成形し、成形体(i)を製造する工程と、
ウレタン結合を有する硬化性樹脂(E)またはその原料を、前記成形体(i)に接触または塗布したのち硬化させて樹脂硬化層(ii)を形成する工程と
を含むことを特徴とする積層構造体の製造方法。
〔10〕メルトフローレート(230℃、2.16kg荷重)が、50~150g/10分、デカン可溶部量が6~15質量%であるプロピレン系重合体(A)5~47質量部、
メルトフローレート(230℃、2.16kg荷重)が10~500g/10分であるプロピレン単独重合体(B)20~30質量部、
エチレンと炭素原子数が4~8のα-オレフィンとのランダム共重合体であり、密度が0.850~0.880g/cm3、メルトフローレート(230℃、2.16kg荷重)が0.5~30g/10分、融点ピークが110℃以上であるエチレン・α-オレフィン共重合体(C)23~30質量部、および、
無機充填剤(D)30~40質量部
[但し、成分(A)~(D)の合計量を100質量部とする。]
を含有するポリプロピレン系樹脂組成物からなる成形体に直接積層して用いるための接着剤層を形成するために用いられる硬化性樹脂組成物であって、
前記硬化性樹脂組成物は、ポリエーテル骨格のウレタンプレポリマーと脂肪族イソシアネート誘導体とを含む硬化性樹脂組成物。
〔11〕更に、下記式(X):
本発明に係る成形体(i)は、ポリプロピレン系樹脂組成物からなる成形体である。
ポリプロピレン系樹脂組成物
本発明に係るポリプロピレン系樹脂組成物は、プロピレン系重合体(A)、プロピレン単独重合体(B)、エチレン・α-オレフィン共重合体(C)、無機充填剤(D)を含有し、必要に応じてさらにその他の成分を含有する。
本発明で用いるプロピレン系重合体(A)は、メルトフローレート(230℃、2.16kg荷重)が50~150g/10分、デカン可溶部量が6~15質量%であるプロピレン系重合体である。
オレフィン重合用触媒を構成する固体状チタン触媒成分(I)は、例えば、チタン、マグネシウム、ハロゲン及び必要に応じて電子供与体を含む。この固体状チタン触媒成分(I)には公知の成分を制限無く用いることができる。
(式中、Rは炭化水素基であり、Xはハロゲン原子であり、gは0≦g≦4である。)
チタン化合物の具体例としては、TiCl4、TiBr4等のテトラハロゲン化チタン;Ti(OCH3)Cl3、Ti(OC2H5)Cl3、Ti(O-n-C4H9)Cl3、Ti(OC2H5)Br3、Ti(O-i-C4H9)Br3等のトリハロゲン化アルコキシチタン;Ti(OCH3)2Cl2、Ti(OC2H5)2Cl2等のジハロゲン化アルコキシチタン;Ti(OCH3)3Cl、Ti(O-n-C4H9)3Cl、Ti(OC2H5)3Br等のモノハロゲン化アルコキシチタン;Ti(OCH3)4、Ti(OC2H5)4、Ti(OC4H9)4、Ti(O-2-エチルヘキシル)4等のテトラアルコキシチタン;等が挙げられる。チタン化合物は一種を単独で用いても良いし、2種以上を組み合わせて用いても良い。中でも、テトラハロゲン化チタンが好ましく、四塩化チタンがより好ましい。
(P-1)マグネシウム化合物及びアルコール等の電子供与体成分(1)からなる固体状付加物と、後述する電子供与体成分(2)と、液状状態のチタン化合物とを、不活性炭化水素溶媒共存下、懸濁状態で接触させる方法。
(P-2)マグネシウム化合物及び電子供与体成分(1)からなる固体状付加物と、電子供与体成分(2)と、液状状態のチタン化合物とを、複数回に分けて接触させる方法。
(P-3)マグネシウム化合物及び電子供与体成分(1)からなる固体状付加物と、電子供与体成分(2)と、液状状態のチタン化合物とを、不活性炭化水素溶媒共存下、懸濁状態で接触させ、且つ複数回に分けて接触させる方法。
(P-4)マグネシウム化合物及び電子供与体成分(1)からなる液状状態のマグネシウム化合物と、液状状態のチタン化合物と、電子供与体成分(2)とを接触させる方法。
[有機金属化合物触媒成分(II)]
有機金属化合物触媒成分(II)は、周期表の第1族、第2族及び第13族から選ばれる金属元素を含む成分である。例えば、第13族金属を含む化合物(有機アルミニウム化合物等)、第1族金属とアルミニウムとの錯アルキル化物、第2族金属の有機金属化合物等を用いることができる。中でも、有機アルミニウム化合物が好ましい。
(式中、R及びR'は炭化水素基であり、nは0<n<4の整数である。)
上記式で表される有機ケイ素化合物の具体例としては、ジイソプロピルジメトキシシラン、t-ブチルメチルジメトキシシラン、t-ブチルメチルジエトキシシラン、t-アミルメチルジエトキシシラン、ジシクロヘキシルジメトキシシラン、シクロヘキシルメチルジメトキシシラン、シクロヘキシルメチルジエトキシシラン、ビニルトリメトキシシラン、ビニルトリエトキシシラン、t-ブチルトリエトキシシラン、フェニルトリエトキシシラン、ジフェニルジメトキシシラン、シクロヘキシルトリメトキシシラン、シクロペンチルトリメトキシシラン、2-メチルシクロペンチルトリメトキシシラン、シクロペンチルトリエトキシシラン、ジシクロペンチルジメトキシシラン、ジシクロペンチルジエトキシシラン、トリシクロペンチルメトキシシラン、ジシクロペンチルメチルメトキシシラン、ジシクロペンチルエチルメトキシシラン、シクロペンチルジメチルエトキシシラン等が用いられる。中でも、ビニルトリエトキシシラン、ジフェニルジメトキシシラン、ジシクロヘキシルジメトキシシラン、シクロヘキシルメチルジメトキシシラン、ジシクロペンチルジメトキシシランが好ましい。
上記式中、Raは、炭素原子数1~6の炭化水素基である。例えば炭素原子数1~6の不飽和あるいは飽和脂肪族炭化水素基であり、特に炭素原子数2~6の炭化水素基が好ましい。具体例としては、メチル基、エチル基、n-プロピル基、iso-プロピル基、n-ブチル基、iso-ブチル基、sec-ブチル基、n-ペンチル基、iso-ペンチル基、シクロペンチル基、n-ヘキシル基、シクロヘキシル基等が挙げられる。中でも、エチル基が特に好ましい。
上記式中、RNは、環状アミノ基である。具体例としては、パーヒドロキノリノ基、パーヒドロイソキノリノ基、1,2,3,4-テトラヒドロキノリノ基、1,2,3,4-テトラヒドロイソキノリノ基、オクタメチレンイミノ基等が挙げられる。Raは前記と同じである。
プロピレン系重合体(A)の好ましい態様であるプロピレン・エチレンブロック共重合体は、上述したオレフィン重合用触媒の存在下にプロピレンを重合し、次いでプロピレンとエチレンを共重合させるか、又は予備重合させて得られる予備重合触媒の存在下にプロピレンを重合し、次いでプロピレンとエチレンの共重合を行う等の方法で製造できる。
(重合工程1)
固体状チタン触媒成分の存在下でプロピレンを重合し、プロピレン単独重合体成分を製造する工程(プロピレン単独重合体製造工程)。
(重合工程2)
固体状チタン触媒成分の存在下でプロピレン及びエチレンを共重合してエチレン・プロピレン共重合体成分を製造する工程(共重合体ゴム製造工程)。
本発明に用いるプロピレン単独重合体(B)は、メルトフローレート(230℃、2.16kg荷重)が10~500g/10分であるプロピレン単独重合体である。
本発明に用いるエチレン・α-オレフィン共重合体(C)は、エチレンと炭素原子数が4~8のα-オレフィンとのランダム共重合体であり、密度が0.850~0.880g/cm3、メルトフローレート(230℃、2.16kg荷重)が0.5~30g/10分、融点ピークが110℃以上であるエチレン・α-オレフィン共重合体である。このエチレン・α-オレフィン共重合体(C)は、他成分との相乗効果によって、成形体(i)およびそれを有する積層構造体の寸法安定性の向上(線膨張係数の低減)に寄与することが予想されると共に、その他の物性の向上にも寄与し成形品に高度な物性バランスが発現する。
本発明に用いる無機充填剤(D)としては、公知の無機充填剤を用いることができ、特に限定されるものではないが、例えば、タルク、炭酸カルシウム、天然マイカ、合成マイカ、ワラストナイト、モンモリオナイト等が挙げられる。無機充填剤(D)は一種を単独で用いても良いし、2種以上を組み合わせて用いても良い。中でも、タルクが好ましい。このような無機充填剤(D)を用いることにより、成形体(i)およびそれを有する積層構造体の機械物性が向上する。
本発明に係るポリプロピレン系樹脂組成物は、プロピレン系重合体(A)5~47質量部、プロピレン単独重合体(B)20~30質量部、エチレン・α-オレフィン共重合体(C)23~30質量部、および、無機充填剤(D)30~40質量部[但し、成分(A)~(D)の合計量を100質量部とする。]を含有する。
本発明に係る成形体(i)は、上述した本発明に係るポリプロピレン系樹脂組成物から得られる成形体である。成形体(i)は、本発明に係るポリプロピレン系樹脂組成物を適宜成形することにより得ることができる。ポリプロピレン系樹脂組成物の成形法は特に限定されず、樹脂組成物の成形法として公知の様々な方法を用いることができる。成形体(i)の成形法としては、特に射出成型、プレス成型が好ましい。本発明に係るポリプロピレン系樹脂組成物から得られる成形体(i)は、温度変化による寸法変化が小さく寸法安定性に優れており、それを有する積層構造体についても温度変化による寸法変化が小さく寸法安定性に優れたものとなる。
本発明に係る樹脂硬化層(ii)は、ウレタン結合を有する硬化性樹脂(E)を含む樹脂硬化物の層である。
ウレタンプレポリマーは、イソシアネート基を1分子中に2個以上有するポリイソシアネート化合物と、イソシアネート基と反応する活性水素を1分子中に2個以上有する活性水素化合物とを反応させることによって得ることができる。
イソシアネート誘導体としては、主剤として作用するイソシアネート誘導体を特に制限なく用いることができる。例えば、イソシアネート類、ジイソシアネート類、ポリイソシアネート類及びそれらの誘導体を用いることができ、具体的には、上述した多官能イソシアナートもしくはその誘導体等を用いることができる。
ポリウレタン樹脂を含む接着剤もしくはウレタン結合を形成する接着剤は、下記式(X)で表される化合物(式(X)中、R37およびR38は、それぞれ独立に、炭化水素基を表す。)とフェノール化合物との付加物を含有することができる。この付加物は、ポリウレタン樹脂を含む接着剤もしくはウレタン結合を形成する接着剤中において、接着付与剤として機能できる。
2液型の場合、上記付加物を主剤又は硬化剤の何れに添加するかは、適宜選択することができる。
本発明の積層構造体は、上述したポリプロピレン系樹脂組成物からなる成形体(i)に、ウレタン結合を有する硬化性樹脂(E)を含む樹脂硬化層(ii)が直接積層されたものである。
ウレタン結合を有する硬化性樹脂(E)またはその原料を、前記成形体(i)に接触または塗布したのち硬化させて樹脂硬化層(ii)を形成する工程とを含む。
ポリエーテル骨格のウレタンプレポリマーと脂肪族イソシアネート誘導体とを含むウレタン系接着剤を、前記成形体(i)に塗布したのち硬化させて樹脂硬化層(ii)を形成する工程とを含む。
[メルトフローレート(MFR)(g/10分)]
ISO 1133に準拠し、試験荷重2.16kg、試験温度230℃の条件で測定した。
[デカン可溶部量(Dsol)および不溶部量(Dinsol)]
ガラス製の測定容器に試料[成分(A)]約3g(10-4gの単位まで測定した。また、この質量を下式においてx2(g)と表した。)、n-デカン500ml、およびn-デカンに可溶な耐熱安定剤を少量装入し、窒素雰囲気下、スターラーで攪拌しながら2時間で150℃に昇温して試料を溶解させ、150℃で2時間保持した後、8時間かけて23℃まで徐冷した。得られた析出物を含む液を、磐田ガラス社製25G-4規格のグラスフィルターで減圧ろ過した。ろ液の100mlを採取し、これを減圧乾燥してデカン可溶成分の一部を得、この質量を10-4gの単位まで測定した(この質量を下式においてx1(g)と表した)。この測定値を用いて、室温(すなわち23℃)におけるデカン可溶部量(Dsol)および不溶部量(Dinsol)を下記式によって決定した。
Dsol(質量%)=100×(500×x1)/(100×x2)
Dinsol(質量%)=100-Dsol
示差走査型熱量計(DSC)の吸熱曲線を求め、最大ピーク位置の温度を融点ピーク(Tm)として求める。
測定機には、パーキンエルマー社製Pyris 1を用いた。試料をアルミパンに詰め、30℃で1分間保持したのち、500℃/分で160℃まで昇温し、その後、160℃で5分間保持したのち、10℃/分で-30℃まで降温し、ついで10℃/分で-30℃から160℃まで昇温したときに得られた吸熱曲線より融点ピーク(Tm)を求めた。
[無機充填剤の平均粒子径]
JIS R1620およびJIS R1622に準拠し、レーザー回折法によって測定した粒度累積曲線から読み取った累積量50質量%の粒径値を平均粒子径とした。
[無機充填剤のアスペクト比]
電子顕微鏡を用いて写真撮影を行い、粉体の長径(粒径)と厚みを測定し、平均値を求め、平均粒子径/平均厚みの比からアスペクト比を求めた。
[曲げ弾性率(MPa)]
ASTM D790に準拠し、以下の条件で測定した。
温度:23℃
試験片:127mm(長さ)×12.7mm(幅)×6.35mm(厚み)
曲げ速度:30mm/min
スパン間:100cm
ASTM D256に準拠し、以下の条件でIZOD衝撃強度を測定した。
試験片:63.5mm(長さ)×12.7mm(幅)×3.2mm(厚み) ノッチ有
試験温度:-30℃
[線膨張係数(10-5/℃)]
ASTM D 696に準拠し、TMA法(測定範囲-30~80℃)にて評価した。
[プライマーレス層間接着試験(90℃熱間せん断試験)]
JIS K6850:1999に準じ、引張試験機を用い、図1の模式図に示すように樹脂板とガラス板を被着体とした接着せん断試験体の樹脂板側を固定し、ガラス側を固定治具に取り付け、90℃において、引張速度50mm/分の条件でせん断強度を測定し、4回の測定値の平均値を熱間せん断試験強度(MPa)として求めた。
(1)固体状チタン触媒成分の調製
無水塩化マグネシウム95.2g、デカン442mLおよび2-エチルヘキシルアルコール390.6gを130℃で2時間加熱反応を行って均一溶液とし、この溶液中に無水フタル酸21.3gを添加し、さらに130℃にて1時間攪拌混合を行い、無水フタル酸を溶解させた。
(2)前重合触媒の製造
前記の固体状チタン触媒成分100g、トリエチルアルミニウム131mL、ジエチルアミノトリエトキシシラン37.3ml、ヘプタン14.3Lを内容量20Lの攪拌機付きオートクレーブに挿入し、内温15~20℃に保ちプロピレンを1000g挿入し、120分間攪拌しながら反応させた。重合終了後、固体成分を沈降させ、上澄み液の除去およびヘプタンによる洗浄を2回行った。得られた前重合触媒を精製ヘプタンに再懸濁して、固体触媒成分濃度で1.0g/Lとなるようヘプタンにより濃度調整を行って、前重合触媒スラリーを得た。
(3)本重合
内容量58Lのジャケット付循環式管状重合器にプロピレンを43kg/時間、水素を256NL/時間、前記(2)で製造した前重合触媒スラリーを固体状チタン触媒成分として0.49g/時間、トリエチルアルミニウム4.5mL/時間、ジエチルアミノトリエトキシシラン1.8mL/時間で連続的に供給し、気相の存在しない満液の状態にて重合した。管状重合器の温度は70℃であり、圧力は3.57MPa/Gであった。
得られたスラリーを内容量100Lの攪拌機付きベッセル重合器へ送り、更に重合を行った。重合器には、プロピレンを45kg/時間、水素を気相部の水素濃度が8.8mol%になるように供給し、重合温度68℃、圧力3.36MPa/Gで重合を行った。
製造例1の(1)固体状チタン触媒成分の調製と同様にして固体状チタン触媒成分を得た。
(2)前重合触媒の製造
固体状チタン触媒成分100g、トリエチルアルミニウム39.3mL、ヘプタン100Lを内容量200Lの攪拌機付きオートクレーブに挿入し、内温15~20℃に保ちプロピレンを600g挿入し、60分間攪拌しながら反応させて、前重合触媒スラリーを得た。
(3)本重合
内容量58Lのジャケット付循環式管状重合器にプロピレンを43kg/時間、水素を177NL/時間、(2)で製造した前重合触媒スラリーを固体状チタン触媒成分として0.58g/時間、トリエチルアルミニウム3.1ml/時間、ジシクロペンチルジメトキシシラン3.3ml/時間で連続的に供給し、気相の存在しない満液の状態にて重合した。管状重合器の温度は70℃であり、圧力は3.53MPa/Gであった。
得られたスラリーを内容量100Lの攪拌機付きベッセル重合器へ送り、更に重合を行った。重合器には、プロピレンを45kg/時間、水素を気相部の水素濃度が3.2mol%になるように供給し、重合温度70℃、圧力3.28MPa/Gで重合を行った。
次いで、得られたプロピレン単独重合体を80℃で真空乾燥を行った。このようにして得られたプロピレン単独重合体(B-1)のMFR(230℃、2.16kg荷重)は30g/10分であった。
まず、製造例1の(1)固体状チタン触媒成分の調製、(2)前重合触媒の製造と同様にして前重合触媒スラリーを得た。
(3)本重合
内容量1000Lの攪拌機付きベッセル重合器に、プロピレンを131kg/時間、前重合触媒スラリーを遷移金属触媒成分として0.70g/時間、トリエチルアルミニウム19.6mL/時間、ジエチルアミノトリエトキシシラン4.2mL/時間を連続的に供給し、水素を気相部の水素濃度が5.3mol%になるように供給し、重合温度75℃、圧力3.5MPa/Gで重合を行った。
次いで、得られたスラリーを失活、気化後、気固分離を行った。得られたプロピレン単独重合体を80℃で真空乾燥を行った。このようにして得られたプロピレン単独重合体(B-2)のMFR(230℃、2.16kg荷重)は210g/10分であった。
エチレン・α-オレフィン共重合体(C-1)としては、三井化学社製のタフマー(登録商標)A4050S(エチレン含量=80モル%、1-ブテン含量=20モル%、MFR(230℃、2.16kg荷重)=7g/10分、密度=0.862g/cm3、融点ピーク=50℃未満)を用いた。
[無機充填剤]
無機充填剤(D-1)としては、次の特性を有するタルクを用いた。
(D-1):タルク、平均粒子径(レーザー回折法)=6.0μm、アスペクト比(SEM採寸)=7.0
下記表1の各成分を、撹拌機を用いて同表に示す組成(質量部)で混合し、2液硬化型接着剤の主剤(E1-1)~(E1-3)をそれぞれ調製した。
(主剤成分詳細)
・ポリマー1:下記で合成したウレタンプレポリマー:
ポリオキシプロピレンジオール(平均分子量2000)700g、ポリオキシプロピレントリオール(平均分子量3000)300g、および4,4′-ジイソシアネートフェニルメタン(分子量250)499gを混合し(この時NCO/OH=2.0)、更にフタル酸ジイソノニル500gを加えて、窒素気流中、80℃で12時間撹拌を行い、反応させて、イソシアネート基を2.10%含有するウレタンプレポリマー(ポリマー1)を合成した。
・ポリマー2:主鎖がポリオキシプロピレンであり末端に加水分解性シリル基としてメチルジメトキシシリル基を有する変性シリコーン樹脂。カネカMSポリマーS203(カネカ社製)
・エポキシ樹脂1:アデカレジンEP-4100(アデカ社製)
・エポキシ樹脂2:アデカレジンEP-4006(アデカ社製)
・化合物1:ヘキサメチレンジイソシネートのイソシアヌレート体(タケネートD-170HN、三井化学社製)
・化合物2:ペンタメチレンジイソシネートのイソシアヌレート体とアロファネート体の混合物(スタビオD-376N(低粘度タイプ)、三井化学社製)(バイオマス由来化合物:植物度(ASTM D6866-04):67%)
・化合物3:ケチミン型潜在性硬化剤 エピキュア H-30(三菱化学社製)
・化合物4:カンフェンとフェノールとの付加物(ヤスハラケミカル社製)。この化合物4として用いた付加物は、市販品であって、下記式(Z1-1)で表される化合物、式(Z1-2)で表される化合物、式(Z2-1)で表される化合物、式(Z2-2)で表される化合物及び式(Z3-1)で表される化合物からなる群から選ばれる少なくとも1種の化合物を含む。(バイオマス由来化合物:バイオマス度(ASTM D6866 Method B):55%)
・炭酸カルシウム1:スーパーS(丸尾カルシウム社製)
・炭酸カルシウム2:カルファイン200(丸尾カルシウム社製)
・可塑剤1:フタル酸ジイソノニル(ジェイプラス社製)
・可塑剤2:シェルゾールTM(ジャパンケムテック社製)
・触媒1:ジモルホリノジエチルエーテル(サンアプロ社製)
・触媒2:スズ系触媒 ネオスタンU-303(日東化成社製)
下記表2の各成分を、撹拌機を用いて同表に示す組成(質量部)で混合し、2液硬化型接着剤の硬化剤(E2-1)、(E2-2)をそれぞれ調製した。
(硬化剤成分詳細)
・化合物5:3官能ポリプロピレンポリオール(エクセノール1030、旭硝子社製)
・化合物6:ポリブタジエンジオール(Poly bd R-45HT、出光興産社製、水酸基価:0.8mol/kg)
・化合物7:ターピネオール(ヤスハラケミカル社製)(バイオマス由来化合物:バイオマス度(ASTM D6866 Method B):95%以上)
・化合物8:3-グリシドキシプロピルトリメトキシシラン サイラエース S-510(チッソ社製)
・化合物9:X-12-972F(アミノシランオリゴマー)(信越化学工業社製)
・炭酸カルシウム2:カルファイン200(丸尾カルシウム社製)
・触媒1:ジモルホリノジエチルエーテル(サンアプロ社製)
・触媒3:アミン系触媒 TEDA-L33E(東ソー社製)
・成形体試験片の作製および表面処理
プロピレン系重合体(A)、プロピレン単独重合体(B)、エチレン・α-オレフィン共重合体(C)および無機充填剤(D)の各成分を、表3に示す種類および配合量で混合し、二軸押出機((株)日本製鋼所製、TEX(登録商標)30α)により、シリンダ温度180℃、スクリュー回転750rpm、押出し量60kg/hの条件で押出し、ポリプロピレン系樹脂組成物を得た。得られた各ポリプロピレン系樹脂組成物のメルトフローレート(230℃、2.16kg荷重)を表3に示す。
・接着剤の調製
表3に示す種類の主剤および硬化剤を用い、接着剤塗布の直前に、主剤100gと、硬化剤10gとを混合して、接着剤を得た。
・積層構造体の作製および評価
上記で得られた各表面処理済みの試験片上に、接着面積25mm(幅)×10mm(長さ)で厚さ5mmとなるように上記で得られた接着剤からなる接着剤層を形成し、接着剤層を介した相手側の部材にガラス(7.5×25×5mm厚)を選定して用い、室温条件で硬化させて、ポリプロピレン系樹脂組成物からなる成形体と、接着剤から得られた樹脂硬化層と、ガラスとが積層された積層構造体試験片を得た。
Claims (9)
- ポリプロピレン系樹脂組成物からなる成形体(i)に、ウレタン結合を有する硬化性樹脂(E)を含む樹脂硬化層(ii)が直接積層された積層構造体であって、
前記ポリプロピレン系樹脂組成物が、
メルトフローレート(230℃、2.16kg荷重)が50~150g/10分、デカン可溶部量が6~15質量%であるプロピレン系重合体(A)5~47質量部、
メルトフローレート(230℃、2.16kg荷重)が10~500g/10分であるプロピレン単独重合体(B)20~30質量部、
エチレンと炭素原子数が4~8のα-オレフィンとのランダム共重合体であり、密度が0.850~0.880g/cm3、メルトフローレート(230℃、2.16kg荷重)が0.5~30g/10分、融点ピークが110℃以上であるエチレン・α-オレフィン共重合体(C)23~30質量部、および
無機充填剤(D)30~40質量部
[但し、成分(A)~(D)の合計量を100質量部とする。]
を含有することを特徴とする積層構造体。 - プライマーレス接着試験において、90℃熱間せん断試験強度が1.5MPaを超える、請求項1に記載の積層構造体。
- 前記プロピレン系重合体(A)が、プロピレンとエチレンとのブロック共重合体であり、該共重合体のデカン可溶部の極限粘度[η]が2~9dl/gである、請求項1に記載の積層構造体。
- 前記無機充填材(D)がタルクであり、そのアスペクト比が3以上15未満である、請求項1に記載の積層構造体。
- 前記ウレタン結合を有する硬化性樹脂(E)を含む樹脂硬化層が、ポリエーテル骨格のウレタンプレポリマーと脂肪族イソシアネート誘導体とを含むウレタン系接着剤を硬化させたものである、請求項1に記載の積層構造体。
- 前記成形体(i)が、射出成形体またはプレス成形体である、請求項1に記載の積層構造体。
- 自動車外装部材に用いられる、請求項1に記載の積層構造体。
- 請求項1~7のいずれかに記載の積層構造体からなる自動車外装部材。
- メルトフローレート(230℃、2.16kg荷重)が50~150g/10分、デカン可溶部量が6~15質量%であるプロピレン系重合体(A)5~47質量部、
メルトフローレート(230℃、2.16kg荷重)が10~500g/10分であるプロピレン単独重合体(B)20~30質量部、
エチレンと炭素原子数が4~8のα-オレフィンとのランダム共重合体であり、密度が0.850~0.880g/cm3、メルトフローレート(230℃、2.16kg荷重)が0.5~30g/10分、融点ピークが110℃以上であるエチレン・α-オレフィン共重合体(C)23~30質量部、および
無機充填剤(D)30~40質量部
[但し、成分(A)~(D)の合計量を100質量部とする。]
を含有するポリプロピレン系樹脂組成物を、射出成形もしくはプレス成形により成形し、成形体(i)を製造する工程と、
ウレタン結合を有する硬化性樹脂(E)またはその原料を、前記成形体(i)に接触または塗布したのち硬化させて樹脂硬化層(ii)を形成する工程と
を含むことを特徴とする積層構造体の製造方法。
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