CN1132865C - 抗冲击聚烯烃组合物 - Google Patents
抗冲击聚烯烃组合物 Download PDFInfo
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- CN1132865C CN1132865C CN008019517A CN00801951A CN1132865C CN 1132865 C CN1132865 C CN 1132865C CN 008019517 A CN008019517 A CN 008019517A CN 00801951 A CN00801951 A CN 00801951A CN 1132865 C CN1132865 C CN 1132865C
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- 239000000203 mixture Substances 0.000 title claims abstract description 70
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 14
- -1 polypropylene Polymers 0.000 claims abstract description 25
- 239000004711 α-olefin Substances 0.000 claims abstract description 16
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920001155 polypropylene Polymers 0.000 claims abstract description 9
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- 229920001577 copolymer Polymers 0.000 claims abstract description 7
- 239000000155 melt Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 34
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 25
- 238000006116 polymerization reaction Methods 0.000 claims description 20
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 17
- 239000004615 ingredient Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 13
- 239000011777 magnesium Substances 0.000 claims description 11
- 229910052749 magnesium Inorganic materials 0.000 claims description 11
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 11
- 239000011949 solid catalyst Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 150000003609 titanium compounds Chemical class 0.000 claims description 4
- 239000011954 Ziegler–Natta catalyst Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920005604 random copolymer Polymers 0.000 claims description 3
- 230000000707 stereoselective effect Effects 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002899 organoaluminium compounds Chemical class 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 abstract description 2
- 210000003918 fraction a Anatomy 0.000 abstract 2
- 239000003595 mist Substances 0.000 description 15
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 13
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 125000005234 alkyl aluminium group Chemical group 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000002083 X-ray spectrum Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001038 ethylene copolymer Polymers 0.000 description 2
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- 238000012685 gas phase polymerization Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- YWEWWNPYDDHZDI-JJKKTNRVSA-N (1r)-1-[(4r,4ar,8as)-2,6-bis(3,4-dimethylphenyl)-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol Chemical compound C1=C(C)C(C)=CC=C1C1O[C@H]2[C@@H]([C@H](O)CO)OC(C=3C=C(C)C(C)=CC=3)O[C@H]2CO1 YWEWWNPYDDHZDI-JJKKTNRVSA-N 0.000 description 1
- MEIRRNXMZYDVDW-MQQKCMAXSA-N (2E,4E)-2,4-hexadien-1-ol Chemical compound C\C=C\C=C\CO MEIRRNXMZYDVDW-MQQKCMAXSA-N 0.000 description 1
- XZKPFRIEWDWYDH-UHFFFAOYSA-N 1-(methoxymethyl)-9h-fluorene Chemical class C1C2=CC=CC=C2C2=C1C(COC)=CC=C2 XZKPFRIEWDWYDH-UHFFFAOYSA-N 0.000 description 1
- TWPCOQWVKILGIN-UHFFFAOYSA-N 4-(2-methylpropoxycarbonyl)benzoic acid Chemical compound CC(C)COC(=O)C1=CC=C(C(O)=O)C=C1 TWPCOQWVKILGIN-UHFFFAOYSA-N 0.000 description 1
- XWJMQJGSSGDJSY-UHFFFAOYSA-N 4-methyloct-1-ene Chemical compound CCCCC(C)CC=C XWJMQJGSSGDJSY-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- VPCAAUUIFCAFRZ-UHFFFAOYSA-N butylalumane Chemical compound CCCC[AlH2] VPCAAUUIFCAFRZ-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 1
- JWCYDYZLEAQGJJ-UHFFFAOYSA-N dicyclopentyl(dimethoxy)silane Chemical compound C1CCCC1[Si](OC)(OC)C1CCCC1 JWCYDYZLEAQGJJ-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- UWNADWZGEHDQAB-UHFFFAOYSA-N i-Pr2C2H4i-Pr2 Natural products CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229960001708 magnesium carbonate Drugs 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
- C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
-
- 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
-
- 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
- C08L23/14—Copolymers of propene
- C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/02—Ziegler natta catalyst
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymerisation Methods In General (AREA)
Abstract
包括下列成份的聚烯烃组合物(重量%):A)60%-95%熔流速率(MFRA)值从2.5到50克/10分钟的结晶聚丙烯组分,并含有20%-80%熔流速率(MFR1)值从0.5到8克/10分钟的成分AI),和20%-80%的成分AII);B)5%-40%乙烯与一种或多种C4-C10α-烯烃的共聚物,其中包含10%-40%所述C4-C10α-烯烃;MFRA/MFR1之比为2-25;A)和B)的百分数以A)和B)的总量计算,AI)和AII)的百分数以AI)和AII)的总量计算。
Description
本发明是关于包括两种不同熔流速率聚合物组分的聚烯烃组合物,该聚合物组分选自丙烯均聚物、丙烯-乙烯和/或其它α-烯烃无规共聚物,和乙烯与C4-C10α-烯烃的共聚物。
本发明的组合物具有可加工性、机械性能和光学性能的独特平衡性能。另外,具有低的或很低的发白性,低白化性,以及在有机溶剂中的可萃取成分含量低。
所述组合物易于用注模法加工并用于各种应用,包括室内制品和玩具,特别是与食品接触的应用。
包含聚丙烯和由乙烯与α-烯烃的弹性共聚物形成的橡胶相的组合物是现有技术中已知的,特别是在EP 170255和EP 373660有所记载。在EP 373660中,所述的组合物具有抗冲击性和许多应用所需的透明度,然而,从市场所需的高标准出发,其综合平衡性能仍然不能满足要求。因此,迫切需要一种性能改进的组合物。
目前,本发明的聚烯烃组合物已经达到这样的目的,该组合物包括(重量%):
A)60%-95%,优选70%-90%,更优选70%-88%的结晶聚丙烯,其熔流速率(MFRA)(在230℃,2.16Kg负载下测量)为2.5-50,优选5-50,更优选是10-30克/10分钟;并含有20%-80%,优选40%-60%的组分AI),其熔流速率(MFRI)(在230℃,2.16Kg负载下测量)为0.5-8,优选0.5-5,更优选是1-3克/10分钟;和20%-80%,优选40%-60%的组分AII);
B)5%-40%,优选10%-30%,更优选12%-30%的乙烯与一种或多种C4-C10α-烯烃的共聚物,其中包含10%-40%,优选15%-30%,更优选15%-25%的所述C4-C10α-烯烃;
所述的组分AI)和组分AII)各自独立地选丙烯均聚物和含有最多至15%,优选最多至10%乙烯和/或C4-C10α-烯烃的丙烯无规共聚物;MFRA/MFR1之比例为2-25,优选4-20;A)和B)的百分数以A)和B)的总量计算,AI)和AII)的百分数以AI)和AII)的总量计算。
显然从上述定义可知术语“共聚物”包括含有多于一种共聚单体的聚合物。
如上所述,本发明的组合物易于制成各种制品或半成品,特别是使用注模技术,因为它们具有很高的MFR值,有关的所述高平衡性能(特别是挠曲模量、抗冲击性、延性/脆性转变温度、雾度和光泽)。本发明组合物的MFR值(230℃,2.16Kg)优选等于或大于4克/10分钟,特别是等于或大于5克/10分钟。
AII)的MFR值(MFR1I),根据上述MFR1和MFRA值的范围,用聚烯烃组合物的MFR值和各个组分的MFR值之间的已知校正方法,很容易测定,在本发明中,用下式表示:
MFRA=(WA I/WA I+WA II)×lnMFR1+(WA II/WA I+WA II)×lnMFR1I
式中WA I和WA II分别表示AI)和AII)组分的重量。
本发明组合物的其它优选特点是:
-AI)和AII)各组分中共聚单体的含量,当至少其中之一选自丙烯共聚物时,为:0.5-15%,优选0.5-10%,特别是0.5-8%(当仅存在乙烯时为0.5-5%,当仅存在C4-C10α-烯烃时为1-10%,特别是1-8%);
-组分AI)和AII)在室温下(23℃)不溶于二甲苯中的聚合物含量(基本上等于全同立构规整度指数)为:对于丙烯共聚物不小于80%,更优选不小于85%,特别是不小于90%;对于丙烯均聚物不小于90%,更优选不小于95%,特别是不小于97%,所述百分数用重量表示,且以单个组分表示;
-A)的多分散性指数(PI):等于或大于4,特别是4-12;
-室温下溶于二甲苯中(整个组合物的)组分的特性粘度[η]:0.8-2.5dl/g,更优选的是,当需要高透明度时,为0.8-2,优选0.8-1.9,特别是0.8-1.5dl/g。
本发明的组合物在温度高于140-145℃至少有一个熔融峰,用DSC方法(差热扫描法)测定。
所述组合物中的组分B)在温度120-135℃范围有一个熔融峰,用DSC方法测定。这个峰是基于聚乙烯型结晶体的峰,一般可在整个组合物的DSC谱图中检测出,特别是当A)组分由丙烯均聚物构成时。
此外,本发明的组合物优选具有下述性能:
-当组分AI)和AII)至少其中之一选自丙烯共聚物时,挠曲模量至少为700MPa,特别是700-1300MPa,或者,当组分A)由丙烯均聚物构成时(即AI)和AII)两者都是丙烯均聚物),挠曲模量至少为1200MPa,优选至少为1400MPa,特别是从1400或1500-2000MPa;
-在23℃时的悬臂梁式值至少50J/m,更优选至少60J/m,特别是从50或60-500J/m;
-屈服拉伸强度:15-38MPa;
-断裂伸长:高于40%;
-当弯曲1mm厚样片(Plaque)时,基本上没有变白(发白);
-己烷可萃取成分(DFA 177,1520):小于10%,更优选小于9%,特别是小于5.5重量%;
-室温下溶于二甲苯的成分:小于20%,优选小于15%。
延性/脆性转变温度和光学性能(雾度和光泽)主要取决于室温可溶于二甲苯的(整个组合物)成分的特性粘度(I.V.)。
所述I.V.越大,延性/脆性转变温度越低,一般等于或低于-2℃,优选等于或低于-5℃,更优选是等于或低于-10℃,最低限预计约-60℃。
所述I.V.越小,雾度越小,对组分A)由丙烯均聚物构成的组合物,最好低于30%,更优选等于或低于25%,对于组分AI)和AII)至少其中之一为选自丙烯共聚物的组合物,等于或低于20%,更优选等于或低于15%,所述雾度值在由有核的组合物(特别是用二亚苄基山梨醇)制备的1mm厚样片上测定。
所述I.V.越小,光泽度越高,优选范围为30-150‰,更优选40-130‰,在与雾度相同的条件下测量。
因此,显然除了前面所述的室温下溶于二甲苯的成分的I.V.优选范围外,当需要优良的光学性能时,可能存在另一个所述的I.V.优选范围,即大于1.5至2.5dl/g,当需要低延性/脆性转变温度并从而改进低温抗冲击性时,在此I.V.范围内,雾度值一般为45-75%。
本发明的组合物其特征还在于白化程度降低,可用这样的事实说明,老化(例如,于80℃老化9天)后,其光泽度的降低不大于30%。
所述的C4-C10α-烯烃在本发明组合物的组分或成分中是或者可以共聚单体存在,用通式CH2=CHR表示,式中R是具有2-8碳原子的直链或支链的烷基,或芳基(特别是苯基)。
C4-C10α-烯烃的例子是丁烯-1、戊烯-1、己烯-1、4-甲基-1-戊烯,和辛烯-1。特别优选的是丁烯-1。
本发明的组合物可用至少三个聚合步骤的接续聚合反应制备。这样的聚合反应在立体有择齐格勒-纳塔催化剂存在下进行。所述催化剂的主要成分是包含具有至少一个钛-卤键的钛化合物的固体催化剂组分,和一种给电子体化合物,两者载在活化的卤化镁载体上。另一主要成分(助催化剂)是一种有机铝化合物,如烷基铝化合物。
可任意加入一种外部给体。
本发明方法中使用的催化剂通常能生产全同立构规整度大于90%,优选大于95%的聚丙烯。而且,所述催化剂对分子量调节剂(特别是氢)的灵敏度应高得足以生产MFR值从1克/10分钟到100克/10分钟或更大的聚丙烯。
具有上述性能的催化剂在专利文献中是众所周知的,特别好的催化剂是USP 4399054和EP 45977中所述的催化剂,其它例子可在USP4472524找到。
所述催化剂中使用的固体催化剂组分,作为给电子体(内给体)的化合物选自醚、酮、内酯,含N、P和/或S原子的化合物,以及单和二羧酸的酯。特别合适的给电子体化合物是邻苯二甲酸酯,例如,邻苯二甲酸的二异丁酯、二辛酯、二苯基酯和苄基丁基酯。
式中RI和RII相同或不同,是C1-C18烷基、C3-C18环烷基或C7-C18芳基;RIII和RIV相同或不同,为C1-C4烷基;或者是1,3二醚,其中2位上的碳原子位于一个环上或由5、6或7个碳原子构成的多环结构上,并含有两个或三个不饱和键。
这类醚在欧洲专利申请361493和728769中有所描述。
所述醚的有代表性的例子是2-甲基-2-异丙基-1,3-二甲氧基丙烷、2,2-二异丁基-1,3-二甲氧基丙烷、2-异丙基-2-环戊基-1,3-二甲氧基丙烷、2-异丙基-2-异戊基-1,3-二甲氧基丙烷、9,9-二(甲氧基甲基)芴。
上述催化剂组分可用各种方法制备。
例如,MgCl2·nROH加合物(特别是球形颗粒形式)式中n一般为1-3,ROH是乙醇、丁醇或异丁醇,与含有给电子体的化合物的过量TiCl4反应。反应温度一般为80-120℃。然后分离出固体并在有或没有给电子体化合物存在下再一次与TiCl4反应,之后,分离并用等分烃洗涤,直至所有氯离子消失。
在固体催化剂组分中,用Ti表示的钛化合物的存在量通常为0.5-10重量%,相对于二卤化镁的量,固定在固体催化剂组分上的给电子体化合物的量一般为5-20%摩尔。
可用于制备固体催化剂组分的钛化合物是钛的卤化物和钛的卤代醇化物,优选的是四氯化钛。
上述反应导致形成活化卤化镁。以镁化合物而不是以卤化物为原料,例如碳酸镁,制备活化卤化镁的其它反应是文献中已知的。
固体催化剂组分中卤化镁的活化形式可用这样的事实确认,催化剂组分的X-射线光谱中,在非活化卤化镁(表面积小于3m2/g)光谱中出现的最强的反射峰不再存在,但是在此处有一个相对于非活化卤化镁最强反射峰的位置漂移的强度很大的光晕圈,或者用这样的事实确认,强度最大的反射峰显示出半峰宽大于在非活化卤化镁谱图中出现的最强的反射峰的至少30%。大多数活化形式在固体催化剂组分的X-射线光谱中出现上面所述的光晕圈。
卤化镁中,氯化镁是优选的。在氯化镁最强活化形式的情况下,固体催化剂组分的X-射线光谱中出现一光晕圈,代替非活化卤化镁光谱中出现在2.56处的反射峰。
用作助催化剂的烷基铝化合物包括三烷基铝,例如,三乙基铝、三异丁基铝、三正丁基铝,含有二个或多个通过O或N原子,或SO4或SO3基团相互键合的Al原子的线形或环状烷基铝化合物。
烷基铝化合物的用量用Al/Ti表示,Al/Ti比通常为1-1000。
用作外部给体的给电子体化合物包括芳族羧酸的酯,例如,苯甲酸烷基酯,特别是含有至少一个Si-OR键的硅化合物,式中R是烃基。
硅化合物的例子有(叔丁基)2Si(OCH3)2、(环己基)(甲基)Si(OCH3)2、(苯基)2Si(OCH3)2和(环戊基)2Si(OCH3)2。可优选使用具有上述通式的1,3-二醚。如果内给体是这些二醚之一,可省去外给体。
如前所述,聚合工艺至少在三个接续的步骤中进行,其中组分A)和B)分别在后续的步骤中制备,除了第一步外,每一步骤在所形成的聚合物和在先步骤所用的催化剂存在下进行。只在第一步加入催化剂,然而其对后续所有的步骤都仍然呈现活性。
优选组分A)在组分B)之前制备。
在至少两个(优选连续的)聚合步骤中,相应的单体聚合形成成分AI)和AII),乙烯和C4-C10α-烯烃混合物在其它步骤中聚合形成组分B)。优选组分AI)在组分AII)之前制备。
使用已知的分子量调节剂特别是氢调节分子量。
在相应的聚合步骤中,通过适当调节分子量调节剂的浓度,得到前面所述的MFR和[η]值。
整个聚合过程可使用下述已知技术连续或间断进行,可在液相中,在有或没有惰性稀释剂存在下进行,或者在气相中,或者以气液混和技术进行。优选在气相中进行聚合。然而,可用液态丙烯作稀释剂进行丙烯(共)聚合反应,而其它聚合步骤在气相中进行。除了脱除未反应单体气体外,一般不需要中间步骤。
反应时间、压力和温度相对于这两个步骤不是关键的,但如果温度在20-100℃是最好的。压力为大气压或更高。催化剂与少量烯烃预接触(预聚合)。通过分别制备所述组分A)和B),或者相应的成分AI),AII)和组分B),使用相同的催化剂,并基本上在前面所述的相同聚合条件下进行聚合(所不同的是不进行整个接续的聚合过程,而是在各个分开的聚合步骤中制备所述的组分和成分),然后,在熔融态或软化状态机械混合所述组分和成分。可以使用传统的混合设备,如螺杆挤出机,特别是双螺杆挤出机。
本发明的组合物还可包含本领域常用的添加剂,例如,抗氧剂、光稳定剂、热稳定剂、成核剂、着色剂和填料。
特别是添加成核剂给重要的物理机械性能带来不可忽视的改进,例如,挠曲模量、热变形温度(HDT)、在屈服点的拉伸强度和透明度。
典型的成核剂是p-叔丁基苯甲酸酯、1,3-和2,4-二亚苄基山梨醇。
成核剂在本发明组合物中的加入量优选为该总重量的0.05-2重量%,更优选0.1-1重量%。
无机填料,如滑石粉、碳酸钙和无机纤维的加入,能使某些机械性能得到改善,例如,挠曲模量和HDT。滑石粉也起成核剂作用。
用下述实施例对本发明进行具体说明,但不是对本发明的限制。
实施例1-4
下述实施例中,本发明的聚烯烃组合物用接续聚合法制备。
聚合反应中使用的固体催化剂组分是承载在氯化镁上的高立体有择齐格勒-纳塔催化剂,含有2.5重量%钛,并用对苯二甲酸二异丁酯作内给体,用欧洲公开专利申请674991实施例所述的相似方法制备。
催化剂体系和预聚合处理
在加入到聚合反应器之前,将上述固体催化剂组分与三乙基铝(TEAL)和二环戊基二甲氧基硅烷(DCPMS)于-5℃接触5分钟,TEAL/DCPMS重量比约等于4,此时TEAL/Ti摩尔比等于65。
该催化剂体系加入到第一反应器之前,在液态丙烯悬浮液中保持约20分钟,然后进行预聚合。
聚合反应
聚合反应在串联的三个气相反应器中连续进行,这些反应器装有将来自前面的反应器的产物立即输送到紧接着的后面反应器的装置。
连续分析气相中的氢和单体,并以使所需浓度保持恒定的方式进料。
在第一气相聚合反应器中,连续进料,以恒定的流速加入预聚合催化剂体系、氢(用作分子量调节剂)和呈气态的丙烯和乙烯单体,制备丙烯均聚物(实施例1-3)或丙烯/乙烯共聚物(实施例4),由此得到成分AI)。
在第一反应器中生成的聚合物排入第二反应器,在第二反应器中加入合适摩尔比的单体和氢,制备丙烯均聚物(实施例1-3)或丙烯/乙烯共聚物(实施例4),由此得到成分AII)。
在第二反应器中生成的聚合物,除掉未反应的单体后,连续地排出并连续地引入到第三气相聚合反应器,同时以恒流速加入气态的氢、乙烯和丁烯-1单体,由此得到组分B)。
将第三反应器排出的聚合物颗粒用蒸汽处理,除去未反应单体和挥发性物质,然后干燥。
聚合条件、反应物的摩尔比和制得的聚合物组合物列于表1。
然后把聚合物颗粒引入旋转鼓,并与0.01重量%Irgafos 168三(2,4-二叔丁基苯基)亚磷酸酯、0.05重量%Irganox 1010季戊四醇-四[3-(3,5-二叔丁基-4-羟苯基)]丙酸酯和0.16重量%Millad3988 3,4-二甲基亚苄基山梨醇混合。
然后,将聚合物颗粒送入双螺杆挤出机Berstorff ZE 25(螺杆的长径比:33),并在氮气气氛下挤出,挤出条件如下:
转速: 250转/分
挤出能力: 6-20公斤/小时
熔融温度: 200-250℃
测定由此挤出的聚合物得到的最终聚合物组合物的相关数据列于表2。
表中所示的数据用下述测试方法获得。
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原料气体的摩尔比:用气相色谱法测定。
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聚合物中的乙烯和丁烯-1含量:用红外光谱法测定。
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熔流速率MFR:按照ASTM D 1238方法条件L测定。
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溶于和不溶于二甲苯的成分,测定如下:
在装有冷凝器和磁力搅拌器的玻璃烧瓶中加入2.5克聚合物和250cm3二甲苯,在30分钟内将温度升至溶剂的沸点,将所得透明溶液保持在回流状态并进一步搅拌30分钟。然后将密闭的烧瓶在冰水浴保持30分钟,并在25℃恒温水浴中保持30分钟。用快速滤纸过滤所得固体。将100cm3滤液倾入于加热板上氮气流下热处理过的预先称重的铝容器中,蒸发除去溶剂,然后,将该容器置于处于真空下的80℃烘箱中,直至恒重。计算室温下溶于二甲苯中的聚合物的重量百分数。室温下不溶于二甲苯的聚合物的重量百分数被认为是聚合物的全同规整度指数。该值与用来确定聚丙烯全同规整度指数的沸腾正庚烷萃取法测得的全同规整度指数基本上相对应。
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多分散指数(PI)
多分散指数用于计算聚合物的分子量分布。为了测定PI值,使用商标名为Rhrometrics(USA)的RMS-800平行板流变仪,在温度200℃,振荡频率从0.01拉德/秒到100拉德/秒,测定低模量值如500Pa时的模量分离(modulus separation),由此模量分离值用下式计算PI值:
PI=54.6×(模量分离)-1.76
式中模量分离(MS)定义如下:
MS=(在G’=500Pa的频率)/(在G”=500Pa的频率)
式中G’是存储模量,G”是低模量。
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己烷萃取成分
按照FDA 177,1520方法测定,将被分析的100um厚的组合物样品膜,在50℃高压釜中的过量己烷中悬浮2小时,然后蒸发除去己烷,称量干燥残余物。
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特性粘度(I.V.)
于135℃的四氢萘中测定。
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熔融温度(Tm)和结晶温度(Tc)
用DSC(差热扫描量热仪)测定。
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挠曲模量:按照ISO 178测定。
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拉伸强度:按照ISO R 527测定。
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屈服伸长:按照ISO R 527测定。
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断裂伸长:按照ISO R 527测定。
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悬臂梁式冲击强度(缺口):按照ISO 180/1A测定。
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延性/脆性转变温度(D/B)
按照内部方法MA 17324,根据需要测定。按照该方法,通过使用自动的、计算机控制的打击锤冲击,测定双轴向抗冲击性。
用圆形手动冲孔器(直径38mm)切割得到圆形试验片,置于23℃和50RH条件下至少48小时,然后在试验温度的恒温浴中放置1小时。
用打击锤(5.3Kg,半球形,直径为1/2”)冲击置于环形支撑物上的圆形试验片的过程中,测定力-时间曲线,使用的机器是CEAST6758/000型2号。
D/B转变温度是指在进行所述冲击实验时,由50%样品脆性断裂时的温度。
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样片样品的制备
用于测定D/B的板,尺寸为127×127×1.5mm,按照内部方法MA17283制备;用于测定雾度的样片,1mm厚,按照内部方法MA 17335用注模法制备,注入时间1秒,温度230℃,模塑温度40℃;用于测定光泽度的样片,1mm厚,按照内部方法MA 17335用注模法制备,注入时间3秒,温度260℃,模塑温度40℃,所有方法的说明可根据需要获得。
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方法MA 17283
注入机是Negri Bossi型(NB 90),夹紧力为90吨。
模具为矩形样片(127×127×1.5mm)。
主要工艺参数如下:
背压(巴): 20
注入时间(秒): 3
最大注入压力(MPa): 14
液压注入压力(MPa): 6-3
第一保持水压(MPa): 4±2
第一保持时间(秒): 3
第二保持水压(MPa): 3±2
第二保持时间(秒): 7
冷却时间(秒): 20
模塑温度(℃): 60
熔融温度介于220和280℃之间。
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方法MA 17335
注入机是Battenfeld型BA 500 CD,夹紧力为50吨。
插入模塑导致两片板的模塑(每一片50×60×1mm)。
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制备膜样品
用单螺杆Collin挤出机(螺杆的长径比:25)以7米/分的拉伸速度和熔融温度210-250℃,挤出各试验组合物,制得50μm厚的膜样品。制得的各个样品叠放在全同规整度指数97和MFR L 2g/10min的1000μm厚的丙烯均聚物膜上,叠放的膜在200℃的Carver压力机内于90公斤负荷下保持5分钟相互结合。
将制得的叠层在轴向和径向进行拉伸,即双向拉伸,用TM长膜拉伸器在150℃拉伸6倍,由此得到20μm厚的膜(18μm厚的均聚物+2μm试验组合物)。
将该膜切割成2×5cm的样品。
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在样片上的雾度
按照内部方法MA 17270,根据需要测定。
将样片置于R.H.50±5%和23±1℃的条件下24小时。
使用的设备是Hunter D25P-9比色计,按ASTM-D1003标准方法进行测量和计算。
该设备无需用样品校准,用雾度标准核对校准值,在五个样片上测定雾度。
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样片上的光泽度
按照内部方法MA 17021,根据需要测定。
用Zehntner model ZGM 1020或1022光度计,设定入射角为60度。测量原理见ASTM D2457标准方法。
该设备用已知光泽度的样品进行校准。测量三个样片,同一样片上在两个不同位置测定,由此得到一个光泽度测量值。
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膜雾度
在50μm厚的试验组合物膜上测定,制备方法如前所述。在膜的中心区域切割50×50的部分上测定。
所用仪器为具有装有G.E.1209灯和滤片C的Haze-meter UX-10的Garder光度计。在无样品时(0%雾度)进行测量,并用折射光束(100%雾度)进行测量以校准仪器。
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膜光泽度
在与测定雾度相同的样品上测量。
所用仪器是用于相关测量的1020型Zehntner光度计。以入射角60度在标准光泽度为96.2%的黑色玻璃上测量,并以入射角45度在标准光泽度为55.4%的黑色玻璃上测量,校准仪器。
表1
实施例 | 1 | 2 | 3 | 4 |
1号反应器温度,℃压力,MPaH2/C3 -,molC2 -/C2 -+C3 -,mol产品聚合物产量,%C2 -,%MFR L,g/10min2号反应器温度,℃压力,MPaH2/C3 -,molC2 -/C2 -+C3 -,mol产品聚合物产量,%C2 -(总量),%MFR L(总量)g/10minX.I.(总量),%PI | 701.80.01-39-2.3701.80.28-40-1598.75.5 | 801.80.001-41-1.2801.80.439-41-1798.77.2 | 801.80.001-40-1.2801.80.63-40-2198.38.9 | 801.80.0020.019392.61.2801.80.4190.019392.611.796.56.01 |
表1(续)
实施例 | 1 | 2 | 3 | 4 |
3号反应器温度,℃压力,MPaH2/C2 -,molC4 -/C2 -+C4 -,mol总组合物产量,%C2 -,%C4 -,%MFR L,g/10minX.S.,%H.E.,%C2 -在X.I.中,%C4 -在X.I.中,%X.S.的I.V.,dl/g | 701.80.480.352116.84.311.210.4-10.6<21.24 | 751.80.380.351814.23.413.49.05.310<21.26 | 751.80.170.352016.43.89.89.23.312.4<22.38 | 701.60.4660.352218.45.29.413.67.713.3<21.29 |
表2
实施例 | 1 | 2 | 3 | 4 |
Tm/Tc,℃挠曲模量,MPa屈服拉申强度,MPa断裂伸长,%23℃时的Izod,J/m0℃时的Izod,J/m-20℃时的Izod,J/mD/B,℃样片上的雾度,%样片上的光泽度,%膜上的雾度,%膜上的光泽度,% | 162.6/112.3163032.51001353523-1322.4103.65.272.6 | 163.2/111.7172936.160703626-1520.9105.16.170 | 162.4/111.6177032.440805143-4662.250.764.111.4 | 147.6/103.1101525.26501907538-2213.3115.36.471.5 |
表中注释:
C2 -=乙烯;C3 -=丙烯;C4 -=丁烯-1;C2 -(总量)=从特定反应器排出的聚合物中的乙烯含量;产量=在特定反应器中生成的聚合物量;X.I.=不溶于二甲苯的成分;X.I.(总量)=从特定反应器排出的聚合物的X.I.;X.S.=溶于二甲苯的成分;H.E.=己烷可萃取成分;除伸长和雾度外,所有的量都用重量百分数表示。
Claims (10)
1.包括下列成份的聚烯烃组合物,以重量计:
A)60%-95%在230℃,2.16Kg负载下测量熔流速率MFRA值为2.5-50克/10分钟的结晶聚丙烯组分,其中含有20%-80%在230℃,2.16Kg负载下测量熔流速率MFRI值为0.5-8克/10分钟的成分AI),和20%-80%的成分AII);
B)5%-40%乙烯与一种或多种C4-C10α-烯烃的共聚物,其中包含10%-40%所述C4-C10α-烯烃;所述的成分AI)和成分AII)各自独立地选自丙烯均聚物和含有最多至15%乙烯和/或C4-C10α-烯烃的丙烯无规共聚物;MFRA/MFR1之比为2-25;A)和B)的百分数以A)和B)的总量计算,AI)和AII)的百分数以AI)和AII)的总量计算。
2.权利要求1的聚烯烃组合物,其230℃,2.16Kg的熔流速率值为4克/10分钟至13.4克/10分钟。
3.权利要求1的聚烯烃组合物,其中室温下溶于二甲苯的成分之特性粘度范围为0.8-2.5dl/g。
4.权利要求1的聚烯烃组合物,其中成分AI)和AII)当至少其中之一为选自丙烯共聚物时,一种或多种共聚单体的含量范围各自为0.5-10重量%。
5.权利要求1的聚烯烃组合物,其中成分AI)和AII)中室温下溶于二甲苯的聚合物含量,对于丙烯共聚物不小于80%,对于丙烯均聚物不小于90%,所述百分数用重量表示,且是指单个成分的重量。
6.权利要求1的聚烯烃组合物,其延性/脆性转变温度为-60℃至-2℃。
7.一种权利要求1的聚烯烃组合物的制备方法,该方法以至少三个接续的步骤进行,其中,在至少两个聚合步骤中,相应的单体聚合形成成分AI)和AII),在其它步骤中,乙烯和C4-C10α-烯烃的混合物聚合形成组分B),在每一步操作中,除第一步外,在生成的聚合物和前述步骤使用的催化剂存在下进行;其中使用分子量调节剂进行分子量的调节。
8.权利要求7的方法,其中聚合催化剂是立体有择齐格勒-纳塔催化剂,它包括作为固体催化剂组分的一种固体组分和一种有机铝化合物,所述固体组分包含两者载在活化卤化镁载体上的具有至少一个钛-卤键的钛化合物和一种给电子体化合物。
9.权利要求7的方法,其中所有聚合步骤在气相中进行。
10.权利要求7的方法,其中丙烯聚合/共聚合步骤使用液态丙烯作稀释剂,其它聚合步骤在气相中进行。
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2000
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- 2000-09-08 AU AU75170/00A patent/AU776743B2/en not_active Ceased
- 2000-09-08 AT AT00964147T patent/ATE273347T1/de not_active IP Right Cessation
- 2000-09-08 PL PL347656A patent/PL198071B1/pl not_active IP Right Cessation
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- 2000-09-08 EP EP00964147A patent/EP1135440B1/en not_active Expired - Lifetime
- 2000-09-08 US US09/831,712 patent/US6441094B1/en not_active Expired - Lifetime
- 2000-09-08 JP JP2001523688A patent/JP4732649B2/ja not_active Expired - Fee Related
- 2000-09-08 CZ CZ20012131A patent/CZ292977B6/cs not_active IP Right Cessation
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021218102A1 (zh) | 2020-04-29 | 2021-11-04 | 中国石油化工股份有限公司 | 一种含有酸酐基团的聚丙烯接枝物及其制备方法 |
WO2023011515A1 (zh) | 2021-08-04 | 2023-02-09 | 中国石油化工股份有限公司 | 一种柔性聚丙烯改性绝缘材料及其制备方法与应用 |
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ES2225220T3 (es) | 2005-03-16 |
US6441094B1 (en) | 2002-08-27 |
AU776743B2 (en) | 2004-09-23 |
HUP0104592A3 (en) | 2003-08-28 |
CA2349297A1 (en) | 2001-03-22 |
EP1135440A1 (en) | 2001-09-26 |
RU2232783C2 (ru) | 2004-07-20 |
TR200101320T1 (tr) | 2001-12-21 |
TW593521B (en) | 2004-06-21 |
MY120633A (en) | 2005-11-30 |
JP4732649B2 (ja) | 2011-07-27 |
NO20012326D0 (no) | 2001-05-11 |
AU7517000A (en) | 2001-04-17 |
CZ292977B6 (cs) | 2004-01-14 |
ATE273347T1 (de) | 2004-08-15 |
CZ20012131A3 (cs) | 2002-03-13 |
BR0007075B1 (pt) | 2009-05-05 |
KR100635888B1 (ko) | 2006-10-18 |
NO20012326L (no) | 2001-05-11 |
HUP0104592A2 (hu) | 2002-03-28 |
CN1321178A (zh) | 2001-11-07 |
WO2001019915A1 (en) | 2001-03-22 |
AR025636A1 (es) | 2002-12-04 |
PL198071B1 (pl) | 2008-05-30 |
KR20010086444A (ko) | 2001-09-12 |
CA2349297C (en) | 2008-11-18 |
ID28962A (id) | 2001-07-19 |
JP2003509562A (ja) | 2003-03-11 |
DE60012879D1 (de) | 2004-09-16 |
BR0007075A (pt) | 2001-07-10 |
DE60012879T2 (de) | 2005-08-11 |
PL347656A1 (en) | 2002-04-22 |
EP1135440B1 (en) | 2004-08-11 |
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