JP5746622B2 - シール材 - Google Patents
シール材 Download PDFInfo
- Publication number
- JP5746622B2 JP5746622B2 JP2011522822A JP2011522822A JP5746622B2 JP 5746622 B2 JP5746622 B2 JP 5746622B2 JP 2011522822 A JP2011522822 A JP 2011522822A JP 2011522822 A JP2011522822 A JP 2011522822A JP 5746622 B2 JP5746622 B2 JP 5746622B2
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- JP
- Japan
- Prior art keywords
- sealing material
- rubber
- mass
- vinyl acetate
- material according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003566 sealing material Substances 0.000 title claims description 69
- 229920001971 elastomer Polymers 0.000 claims description 27
- 229920001821 foam rubber Polymers 0.000 claims description 27
- 239000005060 rubber Substances 0.000 claims description 27
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 23
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 23
- 229920005992 thermoplastic resin Polymers 0.000 claims description 19
- 238000005187 foaming Methods 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 16
- 230000008018 melting Effects 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 13
- 229920001577 copolymer Polymers 0.000 claims description 12
- 239000004088 foaming agent Substances 0.000 claims description 12
- 150000001993 dienes Chemical class 0.000 claims description 7
- 239000004711 α-olefin Substances 0.000 claims description 6
- 239000004156 Azodicarbonamide Substances 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 5
- 239000005977 Ethylene Substances 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical group NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 5
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 14
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- 238000004073 vulcanization Methods 0.000 description 9
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- 239000000463 material Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- -1 specifically Chemical group 0.000 description 4
- OJOWICOBYCXEKR-APPZFPTMSA-N (1S,4R)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound CC=C1C[C@@H]2C[C@@H]1C=C2 OJOWICOBYCXEKR-APPZFPTMSA-N 0.000 description 3
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 3
- 101000969770 Homo sapiens Myelin protein zero-like protein 2 Proteins 0.000 description 3
- 102100021272 Myelin protein zero-like protein 2 Human genes 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- 235000014692 zinc oxide Nutrition 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- XWJBRBSPAODJER-UHFFFAOYSA-N 1,7-octadiene Chemical compound C=CCCCCC=C XWJBRBSPAODJER-UHFFFAOYSA-N 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical compound CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- UOYIYWCAYFTQLH-UHFFFAOYSA-N 3,7-dinitro-1,3,5,7-tetrazabicyclo[3.3.1]nonane Chemical compound C1N2CN([N+](=O)[O-])CN1CN([N+]([O-])=O)C2 UOYIYWCAYFTQLH-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004902 Softening Agent Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- MGNZXYYWBUKAII-UHFFFAOYSA-N cyclohexa-1,3-diene Chemical compound C1CC=CC=C1 MGNZXYYWBUKAII-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920003049 isoprene rubber Polymers 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- VJHGSLHHMIELQD-UHFFFAOYSA-N nona-1,8-diene Chemical compound C=CCCCCCC=C VJHGSLHHMIELQD-UHFFFAOYSA-N 0.000 description 2
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- PZWQOGNTADJZGH-SNAWJCMRSA-N (2e)-2-methylpenta-2,4-dienoic acid Chemical compound OC(=O)C(/C)=C/C=C PZWQOGNTADJZGH-SNAWJCMRSA-N 0.000 description 1
- PRBHEGAFLDMLAL-GQCTYLIASA-N (4e)-hexa-1,4-diene Chemical compound C\C=C\CC=C PRBHEGAFLDMLAL-GQCTYLIASA-N 0.000 description 1
- RJUCIROUEDJQIB-GQCTYLIASA-N (6e)-octa-1,6-diene Chemical compound C\C=C\CCCC=C RJUCIROUEDJQIB-GQCTYLIASA-N 0.000 description 1
- PPWUTZVGSFPZOC-UHFFFAOYSA-N 1-methyl-2,3,3a,4-tetrahydro-1h-indene Chemical compound C1C=CC=C2C(C)CCC21 PPWUTZVGSFPZOC-UHFFFAOYSA-N 0.000 description 1
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 1
- SLQMKNPIYMOEGB-UHFFFAOYSA-N 2-methylhexa-1,5-diene Chemical compound CC(=C)CCC=C SLQMKNPIYMOEGB-UHFFFAOYSA-N 0.000 description 1
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- INYHZQLKOKTDAI-UHFFFAOYSA-N 5-ethenylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C=C)CC1C=C2 INYHZQLKOKTDAI-UHFFFAOYSA-N 0.000 description 1
- WTQBISBWKRKLIJ-UHFFFAOYSA-N 5-methylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C)CC1C=C2 WTQBISBWKRKLIJ-UHFFFAOYSA-N 0.000 description 1
- UCKITPBQPGXDHV-UHFFFAOYSA-N 7-methylocta-1,6-diene Chemical compound CC(C)=CCCCC=C UCKITPBQPGXDHV-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- KOPBYBDAPCDYFK-UHFFFAOYSA-N caesium oxide Chemical compound [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 description 1
- 229910001942 caesium oxide Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- NLDGJRWPPOSWLC-UHFFFAOYSA-N deca-1,9-diene Chemical compound C=CCCCCCCC=C NLDGJRWPPOSWLC-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 229920006225 ethylene-methyl acrylate Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- ZGXMNEKDFYUNDQ-UHFFFAOYSA-N hepta-1,5-diene Chemical compound CC=CCCC=C ZGXMNEKDFYUNDQ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920002589 poly(vinylethylene) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- 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
- C08K3/10—Metal 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
- C08L23/16—Ethene-propene or ethene-propene-diene copolymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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Description
前記混和物が、融点が80℃以下の熱可塑性樹脂を含むことを特徴とするシール材により上記課題を解決する。
熱可塑性樹脂は、融点が80℃以下、好ましくは50〜75℃、特に好ましくは60〜70℃である。
ゴム成分は、エチレン−α−オレフィン−ジエン共重合ゴムを少なくとも含む。エチレン−α−オレフィン−ジエン共重合ゴムは、エチレン、α−オレフィン、及び非共役ジエンの共重合体である。
加硫剤としては、硫黄や硫黄化合物類、亜鉛華、セレンや酸化マグネシウム、有機過酸化物類などが挙げられる。発泡体の耐熱性、シール耐久性を考慮すると、硫黄を少なくとも用いるのが好ましい。
発泡剤は、発泡のためのガス発生のために使用されるばかりでなく、ゴム成分の加硫調整の作用も有する。例えば、ジニトロペンタメチレンテトラミン(DPT)、アゾジカルボンアミド(ADCA)、4、4’−オキシビスベンゼンスルホニルヒドラジッド(OBSH)重炭酸ナトリウムなどが挙げられる。なかでも、発泡体の耐熱性、シール耐久性を考慮すると、ADCAが特に好ましく用いられる。
本発明のシール材に用いられる混和物は、他の添加剤を目的に応じてさらに含んでいてもよい。例えば、加硫を促進させるために、チアゾール系、ジチオカルバミン酸塩系、チオウレア系、ジチオホスファイト系、チウラム系の加硫促進剤、ステアリン酸、ラウリン酸、酸化亜鉛(活性亜鉛華)などの加硫促進助剤などが用いられる。
本発明のシール材は、上述した配合剤を混練した後、所望の形状に成形し、得られた成形体を加硫及び発泡させることにより得られる。このようにして得られたシール材は、独立気泡構造を有するゴム発泡体からなる。
表1に示す配合組成において、発泡剤、発泡助剤、加硫剤、加硫促進剤を除いた配合物をニーダーにより、120℃で8分間混練した。次に、表面温度を20℃まで冷ました混練物に、表1に示す配合組成の通りに、発泡剤、発泡助剤、加硫剤、及び加硫促進剤をさらに加え、ニーダーにより、80℃で5分間混練した。そして、得られた混練物を、ゴム用押出し機によりシート状に成形し、これを加熱炉に入れて、140℃で80分間加硫発泡し、独立気泡構造を有するゴム発泡体からなるシール材を得た。
EVA1(融点71℃、メルトフローレート18g/10min、酢酸ビニルの含有量28質量%)
表1に示すように配合組成を変更した以外は、実施例1と同様にして独立気泡構造を有するゴム発泡体からなるシール材を作製した。表1におけるEVA2〜4の詳細については、下記の通りである。
EVA3(融点66℃、メルトフローレート30g/10min、酢酸ビニルの含有量32質量%)
EVA4(融点79℃、メルトフローレート2500g/10min、酢酸ビニルの含有量14質量%)
まず、表2に示すように配合組成を変更した以外は、実施例1と同様にして独立気泡構造を有するゴム発泡体を作製した。次に、独立気泡構造を有するゴム発泡体を、ロールクラッシュすることにより破泡処理を行った。これにより、半連続気泡構造を有するゴム発泡体からなるシール材を得た。
表2に示すように配合組成を変更した以外は、実施例1と同様にして独立気泡構造を有するゴム発泡体からなるシール材を作製した。
まず、EVAを用いなかった以外は、実施例1と同様にして独立気泡構造を有するゴム発泡体を作製した。次に、EVA1(融点71℃、メルトフローレート18g/10分、酢酸ビニル含有量28質量%)を80℃で30分間加熱することにより溶融させ、ゴム発泡体表面上にバーコーターにより塗工し、20℃で60分間乾燥させた。しかしながら、止水性評価が可能な程度にEVA塗膜を形成することができなかった。
表2に示すように配合組成を変更した以外は、実施例1と同様にして独立気泡構造を有するゴム発泡体からなるシール材を作製した。表2におけるEVA5の詳細については、下記の通りである。
1.密度
シール材の密度を、JIS K 7222に準拠し、厚さ計(ダイヤルシックネス、テクロック社製)及び天秤(デジタル天秤、株式会社島津製作所製)を用いて測定した。結果を表3に示す。
シール材の気泡数を、JIS K 6767(1999)に準拠して測定した。結果を表3に示す。
シール材の厚さ方向における50%圧縮応力を、JIS K 6767(1999)に準拠し、硬度試験機(オートグラフ、株式会社島津製作所製)を用いて測定した。結果を表3に示す。
シール材を、図1に示すように、厚さ(a)10mm、幅(e)10mm、高さ(f)130mm、両先端の間隔(g)を45mmとしてU字状に打ち抜いてサンプルS1を得、これを図2に示すように2枚のアクリル板2、3にて厚さ方向に60%圧縮し、U字内に100mmの高さまで水を入れ、水が漏れるまでの時間を測定した。結果を表3に示す。
シール材を、80℃、0%RH環境下に24時間放置した後、上記と同様にして、止水性を評価した。結果を表3に示す。表2において、「◎」、「○」、「×」はそれぞれ下記の状態を示す。
◎:24時間以上水漏れなし。
○:8時間以上水漏れなし。
×:8時間未満内に水漏れ有り。
2、3:アクリル板
Claims (9)
- エチレンと炭素原子数が3個以上のα−オレフィンと非共役ジエンとの共重合体ゴムを含むゴム成分、加硫剤、及び発泡剤を含む混和物を、加硫及び発泡させることにより得られるゴム発泡体からなるシール材であって、
前記混和物が、融点が80℃以下の熱可塑性樹脂を含み、かつゴム発泡体の発泡倍率が5〜30倍であることを特徴とするシール材。 - 前記熱可塑性樹脂が、エチレン酢酸ビニル共重合体であることを特徴とする請求項1に記載のシール材。
- 前記エチレン酢酸ビニル共重合体のメルトフローレートが、1〜2500g/10minであることを特徴とする請求項2に記載のシール材。
- 前記エチレン酢酸ビニル共重合体の酢酸ビニル含有量が、25〜35質量%であることを特徴とする請求項2〜3のいずれか1項に記載のシール材。
- 前記熱可塑性樹脂の含有量が、ゴム成分100質量部に対して、1〜40質量部であることを特徴とする請求項1〜4のいずれか1項に記載のシール材。
- 前記加硫剤が、硫黄を含むことを特徴とする請求項1〜5のいずれか1項に記載のシール材。
- 前記発泡剤が、アゾジカルボンアミドである請求項1〜6のいずれか1項に記載のシール材。
- 独立気泡構造を有するゴム発泡体からなることを特徴とする請求項1〜7のいずれか1項に記載のシール材。
- JIS K 6767(1999)に準拠して測定した気泡数が10〜200個/25mmの範囲にあることを特徴とする請求項1〜8のいずれか1項に記載のシール材。
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JP2011522822A JP5746622B2 (ja) | 2009-07-14 | 2010-07-14 | シール材 |
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JP2009165230 | 2009-07-14 | ||
PCT/JP2010/061863 WO2011007788A1 (ja) | 2009-07-14 | 2010-07-14 | シール材 |
JP2011522822A JP5746622B2 (ja) | 2009-07-14 | 2010-07-14 | シール材 |
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EP (1) | EP2455437B1 (ja) |
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US20150133572A1 (en) * | 2011-06-02 | 2015-05-14 | Bridgestone Corporation | Sealing material |
EP2843023B1 (en) * | 2012-04-26 | 2017-09-06 | Bridgestone Corporation | Sealing material |
CN103613898A (zh) * | 2013-11-12 | 2014-03-05 | 铜陵市肆得科技有限责任公司 | 一种电容器用多种橡胶混炼胶密封圈及其制备方法 |
CN104250532B (zh) * | 2014-09-25 | 2016-05-18 | 张家港爱科思汽车配件有限公司 | 一种汽车用发泡型膨胀胶片 |
JP6419032B2 (ja) * | 2015-07-02 | 2018-11-07 | 株式会社鶴見製作所 | ウォーターフェンス |
US10988720B1 (en) * | 2015-11-09 | 2021-04-27 | Charm Sciences, Inc. | Peel plate assembly |
CN108005556A (zh) * | 2016-08-03 | 2018-05-08 | 安徽美沃门窗科技有限公司 | 一种隔音窗的隔音帘的制造方法 |
CN114561070A (zh) * | 2022-02-16 | 2022-05-31 | 佛山市顺德区美的洗涤电器制造有限公司 | 洗涤设备的密封部件及其制备方法、洗涤设备 |
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JP2013221061A (ja) * | 2012-04-16 | 2013-10-28 | Mitsufuku Industry Co Ltd | ゴム組成物及びその製造方法 |
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JPWO2011007788A1 (ja) | 2012-12-27 |
EP2455437A4 (en) | 2012-12-05 |
CN102471668A (zh) | 2012-05-23 |
US9403957B2 (en) | 2016-08-02 |
WO2011007788A1 (ja) | 2011-01-20 |
EP2455437A1 (en) | 2012-05-23 |
US20120123003A1 (en) | 2012-05-17 |
CN102471668B (zh) | 2015-06-10 |
EP2455437B1 (en) | 2014-08-20 |
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