JP2016065166A - 熱可塑性エラストマー - Google Patents
熱可塑性エラストマー Download PDFInfo
- Publication number
- JP2016065166A JP2016065166A JP2014195473A JP2014195473A JP2016065166A JP 2016065166 A JP2016065166 A JP 2016065166A JP 2014195473 A JP2014195473 A JP 2014195473A JP 2014195473 A JP2014195473 A JP 2014195473A JP 2016065166 A JP2016065166 A JP 2016065166A
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- Japan
- Prior art keywords
- mass
- parts
- acrylic rubber
- thermoplastic elastomer
- examples
- 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.)
- Granted
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- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 41
- 229920000800 acrylic rubber Polymers 0.000 claims abstract description 64
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 64
- 239000000178 monomer Substances 0.000 claims abstract description 44
- 239000012792 core layer Substances 0.000 claims abstract description 26
- 229920002397 thermoplastic olefin Polymers 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims abstract description 21
- 238000004132 cross linking Methods 0.000 claims abstract description 18
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 15
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 13
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract description 11
- 239000011258 core-shell material Substances 0.000 claims abstract description 9
- -1 acrylic acid alkoxyalkyl ester Chemical class 0.000 description 31
- 238000000465 moulding Methods 0.000 description 13
- 238000006116 polymerization reaction Methods 0.000 description 13
- 229920001971 elastomer Polymers 0.000 description 11
- 239000003921 oil Substances 0.000 description 11
- 235000019198 oils Nutrition 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 239000005060 rubber Substances 0.000 description 9
- 239000006229 carbon black Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 150000002978 peroxides Chemical class 0.000 description 6
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- 238000007720 emulsion polymerization reaction Methods 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- 239000011116 polymethylpentene Substances 0.000 description 5
- 229920000306 polymethylpentene Polymers 0.000 description 5
- 239000007870 radical polymerization initiator Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- RSVDRWTUCMTKBV-UHFFFAOYSA-N sbb057044 Chemical compound C12CC=CC2C2CC(OCCOC(=O)C=C)C1C2 RSVDRWTUCMTKBV-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- 235000014692 zinc oxide Nutrition 0.000 description 4
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- MIRQGKQPLPBZQM-UHFFFAOYSA-N 2-hydroperoxy-2,4,4-trimethylpentane Chemical compound CC(C)(C)CC(C)(C)OO MIRQGKQPLPBZQM-UHFFFAOYSA-N 0.000 description 3
- HFCUBKYHMMPGBY-UHFFFAOYSA-N 2-methoxyethyl prop-2-enoate Chemical compound COCCOC(=O)C=C HFCUBKYHMMPGBY-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- ZRALSGWEFCBTJO-UHFFFAOYSA-N anhydrous guanidine Natural products NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000003995 emulsifying agent Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical class CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-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
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 2
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical group CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 2
- 150000003923 2,5-pyrrolediones Chemical class 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-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
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000005639 Lauric acid Substances 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 235000019482 Palm oil Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 235000019484 Rapeseed oil Nutrition 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- MOYAFQVGZZPNRA-UHFFFAOYSA-N Terpinolene Chemical compound CC(C)=C1CCC(C)=CC1 MOYAFQVGZZPNRA-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012662 bulk polymerization Methods 0.000 description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000012986 chain transfer agent Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- 239000012933 diacyl peroxide Substances 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 description 2
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- DZCCLNYLUGNUKQ-UHFFFAOYSA-N n-(4-nitrosophenyl)hydroxylamine Chemical class ONC1=CC=C(N=O)C=C1 DZCCLNYLUGNUKQ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class 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
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- 150000001451 organic peroxides Chemical class 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 239000002540 palm oil Substances 0.000 description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- QEQBMZQFDDDTPN-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy benzenecarboperoxoate Chemical compound CC(C)(C)OOOC(=O)C1=CC=CC=C1 QEQBMZQFDDDTPN-UHFFFAOYSA-N 0.000 description 1
- AGKBXKFWMQLFGZ-UHFFFAOYSA-N (4-methylbenzoyl) 4-methylbenzenecarboperoxoate Chemical compound C1=CC(C)=CC=C1C(=O)OOC(=O)C1=CC=C(C)C=C1 AGKBXKFWMQLFGZ-UHFFFAOYSA-N 0.000 description 1
- RIPYNJLMMFGZSX-UHFFFAOYSA-N (5-benzoylperoxy-2,5-dimethylhexan-2-yl) benzenecarboperoxoate Chemical compound C=1C=CC=CC=1C(=O)OOC(C)(C)CCC(C)(C)OOC(=O)C1=CC=CC=C1 RIPYNJLMMFGZSX-UHFFFAOYSA-N 0.000 description 1
- JAEZSIYNWDWMMN-UHFFFAOYSA-N 1,1,3-trimethylthiourea Chemical compound CNC(=S)N(C)C JAEZSIYNWDWMMN-UHFFFAOYSA-N 0.000 description 1
- VBQCFYPTKHCPGI-UHFFFAOYSA-N 1,1-bis(2-methylpentan-2-ylperoxy)cyclohexane Chemical compound CCCC(C)(C)OOC1(OOC(C)(C)CCC)CCCCC1 VBQCFYPTKHCPGI-UHFFFAOYSA-N 0.000 description 1
- HSLFISVKRDQEBY-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)cyclohexane Chemical compound CC(C)(C)OOC1(OOC(C)(C)C)CCCCC1 HSLFISVKRDQEBY-UHFFFAOYSA-N 0.000 description 1
- OPNUROKCUBTKLF-UHFFFAOYSA-N 1,2-bis(2-methylphenyl)guanidine Chemical compound CC1=CC=CC=C1N\C(N)=N\C1=CC=CC=C1C OPNUROKCUBTKLF-UHFFFAOYSA-N 0.000 description 1
- JSCFNQDWXBNVBP-UHFFFAOYSA-N 1,2-diphenylguanidine;phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O.C=1C=CC=CC=1N=C(N)NC1=CC=CC=C1 JSCFNQDWXBNVBP-UHFFFAOYSA-N 0.000 description 1
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 1
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 1
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- XSZYESUNPWGWFQ-UHFFFAOYSA-N 1-(2-hydroperoxypropan-2-yl)-4-methylcyclohexane Chemical compound CC1CCC(C(C)(C)OO)CC1 XSZYESUNPWGWFQ-UHFFFAOYSA-N 0.000 description 1
- IPJGAEWUPXWFPL-UHFFFAOYSA-N 1-[3-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC(N2C(C=CC2=O)=O)=C1 IPJGAEWUPXWFPL-UHFFFAOYSA-N 0.000 description 1
- UJPKMTDFFUTLGM-UHFFFAOYSA-N 1-aminoethanol Chemical class CC(N)O UJPKMTDFFUTLGM-UHFFFAOYSA-N 0.000 description 1
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
- FCHGUOSEXNGSMK-UHFFFAOYSA-N 1-tert-butylperoxy-2,3-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC(OOC(C)(C)C)=C1C(C)C FCHGUOSEXNGSMK-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- GSFSVEDCYBDIGW-UHFFFAOYSA-N 2-(1,3-benzothiazol-2-yl)-6-chlorophenol Chemical compound OC1=C(Cl)C=CC=C1C1=NC2=CC=CC=C2S1 GSFSVEDCYBDIGW-UHFFFAOYSA-N 0.000 description 1
- JDICEKWSLNPYSN-UHFFFAOYSA-N 2-(2,4-dinitrophenyl)-1,3-benzothiazole-4-thiol Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC=C1C1=NC2=C(S)C=CC=C2S1 JDICEKWSLNPYSN-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】(A)アクリルゴムと(B)熱可塑性ポリオレフィンとを含む混合物を、(C)架橋剤の存在下で動的に架橋させてなる熱可塑性エラストマーであって、
(A)アクリルゴムは、コア−シェル構造を有し、
コア層は、
(a−1)一般式(1)及び/又は一般式(2)で表される単量体から選ばれる少なくとも1種と、
(a−2)アクリロニトリル単量体と、
(a−3)メタクリル酸アリル単量体とを含み、
シェル層は、側鎖に炭素−炭素二重結合を有する多官能単量体を含まず、
(a−4)一般式(1)及び/又は一般式(2)で表される単量体から選ばれる少なくとも1種と、
(a−5)アクリロニトリル単量体とを含む、
熱可塑性エラストマー。
【選択図】なし
Description
(式中、mは0又は1である)
(A)アクリルゴムは、熱可塑性エラストマー中のソフトセグメントとして作用し、主として柔軟性、弾力性、シール性、耐熱性、及び耐油性等を付与する成分である。そのうえで、本発明の(A)アクリルゴムは、内部にメタクリル酸アリル単量体を含むコア層と、該コア層を覆う、ゲル分を含まないシェル層とによって構成されたコア−シェル構造となっている。
コア層は、(a−1)一般式(1)及び/又は一般式(2)で表される単量体から選ばれる少なくとも1種と、(a−2)アクリロニトリル単量体と、(a−3)メタクリル酸アリル単量体とを含む。
一般式(1)で表される単量体は、すなわち、アクリル酸メチル、アクリル酸エチル、アクリル酸−n−ブチルである。これらは1種のみを使用することもできるし、2種以上を併用することもできる。これらの中でも、優れた柔軟性を発揮できるという点で、特に好ましいのはアルキル基の炭素数が2又は4のアクリル酸アルキルエステル単量体である。
コア層中、(a−2)の含有量は、(a−1)との合計100質量部に対して0〜20質量部であることが好ましい。すなわち、(a−2)は必須成分ではなく、必ずしもコア層中に含有されていなくてもよい。(a−2)アクリロニトリル単量体を含有していると、耐油性が向上する。但し、(a−2)の含有量が20質量部を超えると、結果として得られる熱可塑性エラストマーの柔軟性等が低下する。
コア層中、(a−3)の含有量は、(a−1)と(a−2)の合計100質量部に対して0.1〜2質量部であることが好ましい。(a−3)の含有量が0.1質量部未満では(A)アクリルゴムの架橋が十分に進行せず、熱可塑性エラストマーにおいて優れた引張強度が得られない。一方、(a−3)の含有量が2質量部を超えると、(A)アクリルゴムが過度に架橋するため、熱可塑性エラストマーの成形加工性が低下する。
シェル層は、(a−4)一般式(1)及び/又は一般式(2)で表される単量体から選ばれる少なくとも1種と、(a−5)アクリロニトリル単量体とを含む。但し、コア層とは異なり、側鎖に炭素−炭素二重結合を有する多官能単量体を含まない。したがって、アクリルゴムを重合した際、シェル層にはゲルが形成されない。
(a−4)には、コア層の(a−1)と同種の単量体を使用すればよい。
コア−シェル構造のアクリルゴムは、コア層を先に重合し、重合転化率が一定以上になった時点で、シェル層の単量体を続いて添加する方法で得ることができる。具体的には、先ず、(a−1)、(a−3)及び必要に応じて(a−2)を含む混合物を、ラジカル重合開始剤の存在下で共重合させることでコア層を形成する。続いて、当該コア層が分散された状態において、そのまま(a−4)、及び必要に応じて(a−5)を添加し、再度ラジカル重合開始剤の存在下で共重合させることで、コア層を覆うようにシェル層が形成される。重合方法としては、塊状重合、溶液重合、懸濁重合、乳化重合等の公知の方法が可能であるが、乳化重合が特に好ましい。
(B)熱可塑性ポリオレフィンは、熱可塑性エラストマー中のハードセグメントとして作用し、主として熱可塑性エラストマーの成形加工性や耐熱性等を向上させる成分である。当該(B)熱可塑性ポリオレフィンとしては、α−オレフィンの重合体又は共重合体が挙げられる。α−オレフィンとしては、例えば、エチレン、プロピレン、1−ブテン、4−メチル−1−ペンテン、1−ヘキセン、1−オクテン等が挙げられる。熱可塑性ポリオレフィンは、1種のみを使用してもよいし、2種以上を併用することもできる。
(C)架橋剤は、(A)アクリルゴムを架橋するために添加されるものであって、(A)アクリルゴム中の(a−3)の側鎖のアリル基に作用しアクリルゴムを架橋する機能を有する。このような架橋剤としては有機過酸化物が挙げられる。有機過酸化物としては、例えば、ジアルキルパーオキサイド、パーオキシケタール、ジアシルパーオキサイド、パーオキシエステル等が挙げられる。ジアルキルパーオキサイドとしては、例えば、ジクミルパーオキサイド、α,α’−ジ(t−ブチルパーオキシ)ジイソプロピルベンゼン、t−ブチルクミルパーオキサイド、2,5−ジメチル−2,5−ジ(t−ブチルパーオキシ)ヘキサン、2,5−ジメチル−2,5−ジ(t−ブチルパーオキシン)ヘキシン−3、3,3,7,7−テトラメチル−1,2,4−トリオキセパン、3,3,5,7,7−ペンタメチル−1,2,4−トリオキセパン等が挙げられる。パーオキシケタールとしては、例えば、1,1−ジ(t−ヘキシルパーオキシ)シクロヘキサン、1,1−ジ(t−ブチルパーオキシ)シクロヘキサン、n−ブチル−4,4−ジ(t−ブチルパーオキシ)バレレート等が挙げられる。ジアシルパーオキサイドとしては、例えば、ベンゾイルパーオキサイド、ジ(4−メチルベンゾイル)パーオキサイド等が挙げられる。パーオキシエステルとしては、例えば、2,5−ジメチル−2,5−ジ(ベンゾイルパーオキシ)ヘキサン、t−ヘキシルパーオキシベンゾエート、t−ヘキシルパーオキシ−3−メチルベンゾエート、t−ブチルパーオキシベンゾエート等が挙げられる。この中でも、ジアルキルパーオキサイドが好ましい。これらの架橋剤は1種のみを使用してもよいし、2種以上を併用することもできる。
なお、(A)アクリルゴムには、本発明の効果を阻害しない範囲で、可塑剤、軟化剤、充填剤、補強剤、金属酸化物、老化防止剤、加工助剤、難燃剤、又は紫外線吸収剤等のその他の添加剤を添加することもできる。その他の各添加剤は、下記に示す具体的材料のうち1種のみを使用してもよいし、2種以上を併用することもできる。
熱可塑性エラストマーは、(A)アクリルゴム100質量部と、(B)熱可塑性ポリオレフィン15〜70質量部とを含む溶融混合物を、(C)架橋剤の存在下において動的架橋させて得られる。動的架橋とは、(A)アクリルゴムと、(B)熱可塑性ポリオレフィンとを含む混合物を混練しながら架橋を進行させることをいう。
水200質量部、ラウリル硫酸ナトリウム1質量部、硫酸第一鉄0.01質量部、エチレンジアミン四酢酸ナトリウム0.03質量部、ヒドロキシメタンスルフィン酸ナトリウム二水和物0.05質量部を、窒素置換したステンレス製反応器に仕込み、コア用単量体として表1又は表2に示す材料を表1又は表2に示す割合で、1,1,3,3−テトラメチルブチルハイドロパーオキサイド0.1質量部と共に2時間かけて滴下し、反応温度30℃で乳化重合させた。重合転化率が100%に達したところで、シェル単量体として表1又は表2に示す材料を表1又は表2に示す割合で、1,1,3,3−テトラメチルブチルハイドロパーオキサイド0.1質量部と共に30分かけて滴下し、反応温度30℃で乳化重合させた。
EA:アクリル酸エチル
BA:アクリル酸ブチル
MEA:アクリル酸2−メトキシエチル
AN:アクリロニトリル
AMA:メタクリル酸アリル
DCPEA:アクリル酸ジシクロペンテニルオキシエチル
VA:アクリル酸ビニル
PEGDA:ポリエチレングリコールジアクリレート(エチレングリコール単位=4)
DVB:ジビニルベンゼン
(A)アクリルゴム及び(B)熱可塑性ポリオレフィンとして表3又は表4に示す材料を表3又は表4に示す量で使用し、温度200℃、ブレード回転数100rpmに設定したバンバリーミキサーに投入し、トルクが一定になるまで混練を行った。次に(C)架橋剤として表3又は表4に示す材料を表3又は表4に示す量追加投入し、トルクが一定になるまで混練を行い、熱可塑性エラストマー(実施例1〜9、比較例1〜11)を合成した。なお、表3又は表4に示す数値は質量部であり、表3又は表4に示す材料表示の具体名は次の通りである。
PP:ポリプロピレン
PMP:ポリメチルペンテン
PE:ポリエチレン
H25B:2,5−ジメチル−2,5−ジ(t−ブチルパーオキシ)−ヘキサン
DCP:ジクミルパーオキサイド
PMTOP:3,3,5,7,7−ペンタメチル−1,2,4−トリオキセパン
射出成形したシートを目視により観察し、フローマーク又はブツが確認されない場合を○、フローマーク又はブツが確認される場合を×とした。
<引張強度・伸び>
JIS K 6251に準拠し、試験速度500mm/minにて引張強度(MPa)、引張伸び(%)を測定した。
<硬度>
JIS K 6253に準拠し、スプリング硬さ試験機A形によって硬度を測定した。
<耐熱性>
JIS K 6257に準拠し、試験片を120℃に設定したギヤーオーブン中に70時間放置した後の引張強度(MPa)及び引張伸び(%)を測定し、引張強度の変化率(%)及び引張伸びの変化率(%)を算出した。
<耐油性>
JIS K 6258に準拠し、試験片をIRM903試験油に浸漬した状態で120℃に設定したギヤーオーブン中に70時間放置した後の質量(g)を測定し、質量変化率を(%)算出した。
Claims (3)
- (A)アクリルゴムと(B)熱可塑性ポリオレフィンとを含む混合物を、(C)架橋剤の存在下で動的に架橋させてなる熱可塑性エラストマーであって、
(A)アクリルゴムは、コア−シェル構造を有し、
コア層は、
(a−1)一般式(1)及び/又は一般式(2)で表される単量体から選ばれる少なくとも1種と、
(a−2)アクリロニトリル単量体と、
(a−3)メタクリル酸アリル単量体とを含み、
シェル層は、側鎖に炭素−炭素二重結合を有する多官能単量体を含まず、
(a−4)一般式(1)及び/又は一般式(2)で表される単量体から選ばれる少なくとも1種と、
(a−5)アクリロニトリル単量体とを含む、
熱可塑性エラストマー。
(式中、nは0、1又は3である)
(式中、mは0又は1である) - (A)アクリルゴムのコア層は、
(a−1)を80〜100質量部、
(a−2)を0〜20質量部、
(a−1)と(a−2)の合計100質量部に対して、(a−3)を0.1〜2質量部
含み、
(A)アクリルゴムのシェル層は、
(a−4)を80〜100質量部、
(a−5)を0〜20質量部含む、請求項1に記載の熱可塑性エラストマー。 - (A)を100質量部、
(B)を15〜70質量部含む混合物を、
(A)100質量部に対して(C)が0.1〜5質量部存在する条件下にて動的に架橋させてなる、請求項1または請求項2に記載の熱可塑性エラストマー。
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JP2005255872A (ja) * | 2004-03-12 | 2005-09-22 | Kuraray Co Ltd | 熱可塑性エラストマー組成物 |
JP2005306948A (ja) * | 2004-04-20 | 2005-11-04 | Jsr Corp | 熱可塑性エラストマー組成物の製造方法 |
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JP2005255872A (ja) * | 2004-03-12 | 2005-09-22 | Kuraray Co Ltd | 熱可塑性エラストマー組成物 |
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