WO2022030310A1 - シクロオレフィン系樹脂硬化物 - Google Patents
シクロオレフィン系樹脂硬化物 Download PDFInfo
- Publication number
- WO2022030310A1 WO2022030310A1 PCT/JP2021/027763 JP2021027763W WO2022030310A1 WO 2022030310 A1 WO2022030310 A1 WO 2022030310A1 JP 2021027763 W JP2021027763 W JP 2021027763W WO 2022030310 A1 WO2022030310 A1 WO 2022030310A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cycloolefin
- monomer
- group
- atom
- cured
- Prior art date
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- 150000001925 cycloalkenes Chemical class 0.000 title claims abstract description 124
- 229920005989 resin Polymers 0.000 title claims abstract description 81
- 239000011347 resin Substances 0.000 title claims abstract description 81
- -1 monocyclic cycloolefin Chemical class 0.000 claims abstract description 87
- 239000000178 monomer Substances 0.000 claims abstract description 82
- 239000000203 mixture Substances 0.000 claims abstract description 42
- 238000005649 metathesis reaction Methods 0.000 claims abstract description 26
- 239000002685 polymerization catalyst Substances 0.000 claims abstract description 25
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 claims abstract description 17
- 238000012662 bulk polymerization Methods 0.000 claims abstract description 8
- VYXHVRARDIDEHS-UHFFFAOYSA-N 1,5-cyclooctadiene Chemical compound C1CC=CCCC=C1 VYXHVRARDIDEHS-UHFFFAOYSA-N 0.000 claims description 19
- 239000004912 1,5-cyclooctadiene Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 10
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- URYYVOIYTNXXBN-UPHRSURJSA-N cyclooctene Chemical compound C1CCC\C=C/CC1 URYYVOIYTNXXBN-UPHRSURJSA-N 0.000 claims description 5
- 239000004913 cyclooctene Substances 0.000 claims description 5
- UVJHQYIOXKWHFD-UHFFFAOYSA-N cyclohexa-1,4-diene Chemical compound C1C=CCC=C1 UVJHQYIOXKWHFD-UHFFFAOYSA-N 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 45
- 239000000243 solution Substances 0.000 description 39
- 150000001875 compounds Chemical class 0.000 description 29
- 239000004065 semiconductor Substances 0.000 description 28
- 239000000047 product Substances 0.000 description 27
- 238000002156 mixing Methods 0.000 description 26
- 125000005843 halogen group Chemical group 0.000 description 18
- 125000004430 oxygen atom Chemical group O* 0.000 description 17
- 239000011256 inorganic filler Substances 0.000 description 16
- 229910003475 inorganic filler Inorganic materials 0.000 description 16
- 125000004433 nitrogen atom Chemical group N* 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- 125000004434 sulfur atom Chemical group 0.000 description 15
- 125000004429 atom Chemical group 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 229910052717 sulfur Inorganic materials 0.000 description 14
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 13
- 125000004437 phosphorous atom Chemical group 0.000 description 13
- 229910052698 phosphorus Inorganic materials 0.000 description 13
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 12
- 125000000217 alkyl group Chemical group 0.000 description 12
- 125000003118 aryl group Chemical group 0.000 description 12
- 238000013329 compounding Methods 0.000 description 12
- 229910052707 ruthenium Inorganic materials 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 239000012948 isocyanate Substances 0.000 description 11
- 125000000962 organic group Chemical group 0.000 description 11
- 239000003566 sealing material Substances 0.000 description 11
- 125000001424 substituent group Chemical group 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 10
- 150000003254 radicals Chemical class 0.000 description 9
- 239000003446 ligand Substances 0.000 description 8
- 239000012190 activator Substances 0.000 description 7
- 125000005842 heteroatom Chemical group 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 239000006087 Silane Coupling Agent Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 125000003342 alkenyl group Chemical group 0.000 description 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000001186 cumulative effect Effects 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 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 4
- 239000002879 Lewis base Substances 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 125000005442 diisocyanate group Chemical group 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 4
- 150000003944 halohydrins Chemical class 0.000 description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 4
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 125000003518 norbornenyl group Chemical group C12(C=CC(CC1)C2)* 0.000 description 4
- 238000010107 reaction injection moulding Methods 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- 150000003624 transition metals Chemical group 0.000 description 4
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 4
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 125000000304 alkynyl group Chemical group 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052762 osmium Inorganic materials 0.000 description 3
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- 0 CCN(*)C(*)C(*)N* Chemical compound CCN(*)C(*)C(*)N* 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical group [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 125000001118 alkylidene group Chemical group 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000004104 aryloxy group Chemical group 0.000 description 2
- 239000006227 byproduct Substances 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
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 2
- YKNMBTZOEVIJCM-UHFFFAOYSA-N dec-2-ene Chemical compound CCCCCCCC=CC YKNMBTZOEVIJCM-UHFFFAOYSA-N 0.000 description 2
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- 150000008049 diazo compounds Chemical class 0.000 description 2
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
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- 150000002170 ethers Chemical class 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 2
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- 150000002430 hydrocarbons Chemical group 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
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- 150000002825 nitriles Chemical class 0.000 description 2
- 150000001451 organic peroxides Chemical class 0.000 description 2
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- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 2
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- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
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- 230000009257 reactivity Effects 0.000 description 2
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
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- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 125000000542 sulfonic acid group Chemical group 0.000 description 2
- XBFJAVXCNXDMBH-UHFFFAOYSA-N tetracyclo[6.2.1.1(3,6).0(2,7)]dodec-4-ene Chemical compound C1C(C23)C=CC1C3C1CC2CC1 XBFJAVXCNXDMBH-UHFFFAOYSA-N 0.000 description 2
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- HGTUJZTUQFXBIH-UHFFFAOYSA-N (2,3-dimethyl-3-phenylbutan-2-yl)benzene Chemical compound C=1C=CC=CC=1C(C)(C)C(C)(C)C1=CC=CC=C1 HGTUJZTUQFXBIH-UHFFFAOYSA-N 0.000 description 1
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- KDGNCLDCOVTOCS-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy propan-2-yl carbonate Chemical compound CC(C)OC(=O)OOC(C)(C)C KDGNCLDCOVTOCS-UHFFFAOYSA-N 0.000 description 1
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- BQULNJDDNPKMKQ-UHFFFAOYSA-N 1,1-diphenylbutylbenzene Chemical compound C=1C=CC=CC=1C(C=1C=CC=CC=1)(CCC)C1=CC=CC=C1 BQULNJDDNPKMKQ-UHFFFAOYSA-N 0.000 description 1
- QIDUHGHFWAMMPV-UHFFFAOYSA-N 1,1-diphenylethylbenzene Chemical compound C=1C=CC=CC=1C(C=1C=CC=CC=1)(C)C1=CC=CC=C1 QIDUHGHFWAMMPV-UHFFFAOYSA-N 0.000 description 1
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- 229940051269 1,3-dichloro-2-propanol Drugs 0.000 description 1
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- 229940008841 1,6-hexamethylene diisocyanate Drugs 0.000 description 1
- KRPUDHQXDFRBGF-UHFFFAOYSA-N 1-azido-4-(4-azidophenyl)sulfonylbenzene Chemical compound C1=CC(N=[N+]=[N-])=CC=C1S(=O)(=O)C1=CC=C(N=[N+]=[N-])C=C1 KRPUDHQXDFRBGF-UHFFFAOYSA-N 0.000 description 1
- ARKQRZXCXIMZHG-UHFFFAOYSA-N 1-azido-4-[(4-azidophenyl)methyl]benzene Chemical compound C1=CC(N=[N+]=[N-])=CC=C1CC1=CC=C(N=[N+]=[N-])C=C1 ARKQRZXCXIMZHG-UHFFFAOYSA-N 0.000 description 1
- LVZIWKFQFKNSMO-UHFFFAOYSA-N 1-chlorobutan-1-ol Chemical compound CCCC(O)Cl LVZIWKFQFKNSMO-UHFFFAOYSA-N 0.000 description 1
- BSVGNGDDMXSJJH-UHFFFAOYSA-N 10-(trifluoromethyl)-4-oxatetracyclo[6.2.1.02,7.03,5]undec-9-ene Chemical compound O1C2CC3C4C=C(C(C3C21)C4)C(F)(F)F BSVGNGDDMXSJJH-UHFFFAOYSA-N 0.000 description 1
- PYEQMLYFGNRZIP-UHFFFAOYSA-N 2,3,3-triphenylbutan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C(C)(C=1C=CC=CC=1)C=1C=CC=CC=1)(C)C1=CC=CC=C1 PYEQMLYFGNRZIP-UHFFFAOYSA-N 0.000 description 1
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- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 1
- DHWBYAACHDUFAT-UHFFFAOYSA-N tricyclopentylphosphane Chemical compound C1CCCC1P(C1CCCC1)C1CCCC1 DHWBYAACHDUFAT-UHFFFAOYSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
- C08G61/04—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
- C08G61/06—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds
- C08G61/08—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D165/00—Coating compositions based on macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Coating compositions based on derivatives of such polymers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
- H01L23/293—Organic, e.g. plastic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/33—Monomer units or repeat units incorporating structural elements in the main chain incorporating non-aromatic structural elements in the main chain
- C08G2261/332—Monomer units or repeat units incorporating structural elements in the main chain incorporating non-aromatic structural elements in the main chain containing only carbon atoms
- C08G2261/3323—Monomer units or repeat units incorporating structural elements in the main chain incorporating non-aromatic structural elements in the main chain containing only carbon atoms derived from other monocyclic systems
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/33—Monomer units or repeat units incorporating structural elements in the main chain incorporating non-aromatic structural elements in the main chain
- C08G2261/332—Monomer units or repeat units incorporating structural elements in the main chain incorporating non-aromatic structural elements in the main chain containing only carbon atoms
- C08G2261/3324—Monomer units or repeat units incorporating structural elements in the main chain incorporating non-aromatic structural elements in the main chain containing only carbon atoms derived from norbornene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/40—Polymerisation processes
- C08G2261/41—Organometallic coupling reactions
- C08G2261/418—Ring opening metathesis polymerisation [ROMP]
Definitions
- the present invention relates to a cured cycloolefin resin, and more particularly to a cured cycloolefin resin having excellent crack resistance, elasticity and high temperature durability.
- Cycloolefin resins are known to be excellent in mechanical strength, heat resistance, low hygroscopicity, dielectric properties, etc., and are used for various purposes.
- Patent Document 1 it is considered to use such a cycloolefin-based resin for encapsulation of a semiconductor element.
- the characteristics of the cycloolefin resin, specifically, the monomer liquid has a high degree of freedom in molding because of its low viscosity, and the characteristics that it can be applied and cured in a short time are exhibited. Utilizing this, a cycloolefin resin is used for encapsulating a semiconductor element.
- a resin that the present inventors have utilized the characteristics of cycloolefin-based resins that is, the characteristics that the monomer liquid has a high degree of freedom in molding because of its low viscosity, and that it can be applied and cured in a short time.
- the cured product obtained by using cycloolefin-based resin cracked during molding or in the environment at the time of use, resulting in inferior reliability and durability. There is a problem, and such a problem is remarkable when the filler is contained in the cycloolefin resin.
- the present invention has been made in view of such an actual situation, and is a cycloolefin-based resin cured product having excellent crack resistance, elasticity, and high-temperature durability, and a polymerizable product suitably used for forming the cured product. It is an object of the present invention to provide a composition.
- norbornene-based monomers (a1) and monocyclic cycloolefins (a2) are used as cycloolefin monomers for forming a cycloolefin-based resin cured product. And by setting the breaking elongation of the cycloolefin resin cured product at room temperature to 30% or more, it was found that the above object can be achieved, and the present invention has been completed.
- cycloolefin-based resin cured product obtained by bulk polymerization of a polymerizable composition containing a cycloolefin monomer and a metathesis polymerization catalyst.
- the cycloolefin monomer contains a norbornene-based monomer (a1) and a monocyclic cycloolefin (a2).
- a cycloolefin-based resin cured product having a breaking elongation at 23 ° C. of 30% or more is provided.
- the content of the monocyclic cycloolefin (a2) in the cycloolefin monomer is preferably 30 to 99% by mass.
- the monocyclic cycloolefin (a2) is 1,5-cyclooctadiene, cyclooctene, cyclohexene, 1,4-cyclohexadiene, or 1,4-p-mentadien. Is preferable.
- the polymerizable composition contains a filler.
- the present invention is a polymerizable composition containing a cycloolefin monomer and a metathesis polymerization catalyst.
- the cycloolefin monomer contains a norbornene-based monomer (a1) and a monocyclic cycloolefin (a2).
- a polymerizable composition for forming the cured cycloolefin resin is provided. It is preferable that the polymerizable composition of the present invention comprises two or more premixed liquids that do not cause a polymerization reaction by themselves, and can form the polymerizable composition by combining the premixed liquids.
- the cured cycloolefin-based resin of the present invention is a cured cycloolefin-based resin obtained by massively polymerizing a polymerizable composition containing a cycloolefin monomer and a metathesis polymerization catalyst, and the cycloolefin monomer is a norbornene-based monomer ( It is a cured product of a cycloolefin-based resin containing a1) and a monocyclic cycloolefin (a2) and having a breaking elongation at 23 ° C. of 30% or more.
- the polymerizable composition used for producing the cured cycloolefin resin of the present invention contains a cycloolefin monomer and a metathesis polymerization catalyst.
- the cycloolefin monomer is a compound having a ring structure formed by carbon atoms and having a carbon-carbon double bond in the ring.
- at least a norbornene-based monomer (a1) and a monocyclic cycloolefin (a2) are used as the cycloolefin monomer.
- the norbornene-based monomer (a1) may be a compound having a norbornene ring structure, and is not particularly limited. Tetracyclododecene, etylidene, tetracyclododecene and other tetracycles; tricyclopentadiene and other pentacyclic bodies; tetracyclopentadiene and other seven rings; and these alkenyl, alkynyl, alkylidene and epoxy groups. , Derivatives with (meth) acrylic substituents (eg, etylidene substituteds) and the like.
- the norbornene-based monomer (a1) can be used alone or in combination of two or more.
- a tricyclic is preferable, and dicyclopentadiene is particularly preferable, from the viewpoint that the action and effect of the present invention can be further enhanced. Further, from the viewpoint that the action and effect of the present invention can be further enhanced, an embodiment in which a tricyclic body and a pentacyclic body are used in combination is also preferable, and as the pentacyclic body, tricyclopentadiene is preferable.
- the ratio thereof is the mass ratio of the tricyclic body: the pentacyclic body in the norbornene-based monomer (a1), preferably 50:50 to 98 :. 2, more preferably 65:35 to 95: 5, still more preferably 80:20 to 93: 7.
- the derivative preferably has an epoxy group from the viewpoint of improving the adhesion to the base material of the obtained cured product (for example, when used as a sealing material for a semiconductor element, the semiconductor element).
- an epoxy group from the viewpoint of improving the adhesion to the base material of the obtained cured product (for example, when used as a sealing material for a semiconductor element, the semiconductor element).
- it is also referred to as 4,5-epoxytricyclo [5.2.1.0 2,6 ] deca-8-ene [dicyclopentadiene monoepoxide (2,3-DCPME).
- it may be simply described as DCPME.
- the content of the derivative having an epoxy group in the polymerizable composition used in the present invention is preferably 0.1 to 20% by mass, more preferably 0.5 to 10% by mass, and even more preferably. It is 1 to 5% by mass.
- the monocyclic cycloolefin (a2) is not particularly limited, but cyclobutene, cyclopentene, cyclohexene, cyclooctene, cyclododecene, cyclopentadiene, 1,4-cyclohexadiene, 1,5-cyclooctadiene, and these.
- Examples thereof include derivatives having an alkyl group, an alkenyl group, an alkynyl group, an alkylidene group, an epoxy group, and a (meth) acrylic substituent (for example, an ethylidene substituent).
- 1,4-p-mentaziene can be preferably used as a derivative of 1,4-cyclohexadiene.
- the monocyclic cycloolefin (a2) a monocyclic cycloolefin having at least one unsaturated bond exhibiting metathesis reactivity in the molecule is preferable from the viewpoint of further enhancing the action and effect of the present invention.
- the ring cycloolefin include 1,5-cyclooctadiene and its derivatives.
- the monocyclic cycloolefin (a2) can be used alone or in combination of two or more.
- the content of the monocyclic cycloolefin (a2) in the cycloolefin monomer used in the present invention is preferably 30 to 99% by mass, more preferably 30 to 80% by mass, based on 100% by mass of the entire cycloolefin monomer. It is more preferably 30 to 60% by mass, and even more preferably 40 to 50% by mass.
- the cured cycloolefin resin can be made excellent in crack resistance and stretchability, whereby, for example, a semiconductor device or the like. When used as a sealing material, the temperature cycle reliability and durability can be further improved.
- the content of the norbornene-based monomer (a1) in the cycloolefin monomer used in the present invention is preferably 1 to 70% by mass, more preferably 20 to 70% by mass, based on 100% by mass of the entire cycloolefin monomer. , More preferably 40 to 70% by mass, and even more preferably 50 to 60% by mass.
- the cured cycloolefin-based resin can be made more excellent in crack resistance and stretchability, whereby, for example, a semiconductor device or the like. When used as a sealing material, temperature cycle reliability and durability can be further enhanced.
- the polymerizable composition used in the present invention may contain another cycloolefin monomer (a3) in addition to the norbornene-based monomer (a1) and the monocyclic cycloolefin (a2).
- the content of the other cycloolefin monomer (a3) in the cycloolefin monomer used in the present invention is preferably 70% by mass or less, more preferably 50% by mass or less, based on 100% by mass of the entire cycloolefin monomer.
- the metathesis polymerization catalyst used in the present invention is not particularly limited as long as it can carry out ring-opening polymerization of a cycloolefin monomer, and known ones can be used.
- the metasessis polymerization catalyst used in the present invention is a complex in which a plurality of ions, atoms, polyatomic ions and / or compounds are bonded with a transition metal atom as a central atom.
- a transition metal atom atoms of groups 5, 6 and 8 (long-periodic periodic table, the same applies hereinafter) are used.
- the atoms of each group are not particularly limited, but examples of Group 5 atoms include tantalum, Group 6 atoms include, for example, molybdenum and tungsten, and Group 8 atoms include Group 8 atoms. , For example, ruthenium and osmium. Among these transition metal atoms, group 8 ruthenium and osmium are preferable.
- a complex having ruthenium or osmium as a central atom is preferable, and a complex having ruthenium as a central atom is more preferable.
- a complex having ruthenium as a central atom a ruthenium carbene complex in which a carbene compound is coordinated with ruthenium is preferable.
- the "carbene compound” is a general term for compounds having a methylene free group, and refers to a compound having a divalent carbon atom (carbene carbon) having no charge as represented by (> C :).
- the obtained polymer has less odor derived from the unreacted monomer, and a high-quality polymer with good productivity can be obtained.
- it is relatively stable against oxygen and moisture in the air and is not easily deactivated, so it can be used even in the atmosphere. Only one type of metathesis polymerization catalyst may be used, or a plurality of types may be used in combination.
- Examples of the ruthenium carbene complex include those represented by the following general formula (1) or general formula (2).
- R 1 and R 2 independently contain a hydrogen atom; a halogen atom; or a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom or a silicon atom. It may be an organic group having 1 to 20 carbon atoms; and these groups may have a substituent or may be bonded to each other to form a ring. Examples of an example in which R 1 and R 2 are bonded to each other to form a ring include an indenylidene group which may have a substituent, such as a phenylindenylidene group.
- an organic group having 1 to 20 carbon atoms which may contain a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom or a silicon atom include an alkyl group having 1 to 20 carbon atoms and 2 to 20 carbon atoms.
- alkenyl groups 2 to 20 carbon atoms alkynyl group, 6 to 20 carbon atoms aryl group, 1 to 20 carbon atoms alkoxy group, 2 to 20 carbon atoms alkenyloxy group, 2 to 20 carbon atoms alkynyloxy Group, aryloxy group with 6 to 20 carbon atoms, alkylthio group with 1 to 8 carbon atoms, carbonyloxy group, alkoxycarbonyl group with 1 to 20 carbon atoms, alkylsulfonyl group with 1 to 20 carbon atoms, 1 to 20 carbon atoms Alkyl sulphinyl group, alkyl sulfonic acid group having 1 to 20 carbon atoms, aryl sulfonic acid group having 6 to 20 carbon atoms, phosphonic acid group, aryl phosphonic acid group having 6 to 20 carbon atoms, alkyl ammonium having 1 to 20 carbon atoms.
- Examples thereof include a group and an arylammonium group having 6 to 20 carbon atoms.
- These organic groups having 1 to 20 carbon atoms which may contain a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom or a silicon atom, may have a substituent.
- the substituent include an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, and the like.
- X 1 and X 2 each independently represent an arbitrary anionic ligand.
- Anionic ligands are ligands that have a negative charge when separated from the central metal atom, such as halogen atoms, diketonate groups, substituted cyclopentadienyl groups, alkoxyl groups, aryloxy groups, etc. Examples thereof include a carboxyl group.
- L 1 and L 2 represent a heteroatom-containing carbene compound or a neutral electron-donating compound other than the heteroatom-containing carbene compound.
- the neutral electron donating compound other than the heteroatom-containing carben compound and the heteroatom-containing carben compound is a compound having a neutral charge when separated from the central metal.
- Heteroatom-containing carbene compounds are preferable from the viewpoint of improving catalytic activity.
- the hetero atom means an atom of Group 15 and Group 16 of the periodic table, and specific examples thereof include a nitrogen atom, an oxygen atom, a phosphorus atom, a sulfur atom, an arsenic atom, and a selenium atom. .. Among these, a nitrogen atom, an oxygen atom, a phosphorus atom, and a sulfur atom are preferable, and a nitrogen atom is more preferable, from the viewpoint of obtaining a stable carben compound.
- the compound represented by the following general formula (3) or (4) is preferable, and the compound represented by the following general formula (3) is further preferable from the viewpoint of improving the catalytic activity.
- R 3 , R 4 , R 5 and R 6 are independently hydrogen atom; halogen atom; or halogen atom, oxygen atom, nitrogen atom, sulfur atom and phosphorus.
- Specific examples of the organic group having 1 to 20 carbon atoms which may contain a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom or a silicon atom are the same as those in the above general formulas (1) and (2).
- R 3 , R 4 , R 5 and R 6 may be coupled to each other in any combination to form a ring.
- R 5 and R 6 are hydrogen atoms.
- R 3 and R 4 are preferably an aryl group which may have a substituent, more preferably a phenyl group having an alkyl group having 1 to 10 carbon atoms as a substituent, and further preferably a mesityl group.
- neutral electron donating compound examples include oxygen atoms, water, carbonyls, ethers, nitriles, esters, phosphines, phosphinites, phosphites, sulfoxides, thioethers, amides, and imines. , Aromatic, cyclic diolefins, olefins, isocyanides, thiocyanates and the like.
- R 1 , R 2 , X 1 , X 2 , L 1 and L 2 are attached to each other alone and / or in any combination to form a polydentate chelate.
- a chelating ligand may be formed.
- the above general formula (1) is used because the effect of the present invention becomes more remarkable among the compounds represented by the above general formula (1) or (2).
- the represented compound is preferable, and the compound represented by the general formula (5) or the general formula (6) shown below is more preferable.
- Z is an oxygen atom, a sulfur atom, a selenium atom, NR 12 , PR 12 or AsR 12 , and R 12 is a hydrogen atom; a halogen atom; or a halogen atom, an oxygen atom, a nitrogen atom.
- R 12 is a hydrogen atom; a halogen atom; or a halogen atom, an oxygen atom, a nitrogen atom.
- An organic group having 1 to 20 carbon atoms which may contain a sulfur atom, a phosphorus atom or a silicon atom; However, since the effect of the present invention becomes more remarkable, an oxygen atom is preferable as Z.
- R 1 , R 2 , X 1 and L 1 are the same as in the cases of the above general formulas (1) and (2), and each of them can be used alone and / or combined with each other in any combination to form a polydentate.
- a chelating ligand may be formed, but X 1 and L 1 do not form a polydentate chelating ligand, and R 1 and R 2 are bonded to each other to form a ring.
- an indenylidene group which may have a substituent is more preferable, and a phenylindenilidene group is further preferable.
- organic group having 1 to 20 carbon atoms which may contain a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom or a silicon atom include the above general formulas (1) and (2). The same is true for the case.
- R 7 and R 8 are independently hydrogen atoms, an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, or a heteroaryl having 6 to 20 carbon atoms.
- these groups may have substituents or may be bonded to each other to form a ring.
- the substituent include an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms or an aryl group having 6 to 10 carbon atoms, and the ring when forming a ring is an aromatic ring.
- An alicyclic ring or a heterocyclic ring may be used, but it is preferable to form an aromatic ring, more preferably to form an aromatic ring having 6 to 20 carbon atoms, and to form an aromatic ring having 6 to 10 carbon atoms. It is more preferable to do so.
- R 9 , R 10 and R 11 each independently contain a hydrogen atom; a halogen atom; or a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom or a silicon atom. It may be an organic group having 1 to 20 carbon atoms; and these groups may have a substituent or may be bonded to each other to form a ring. Specific examples of the organic group having 1 to 20 carbon atoms which may contain a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom or a silicon atom include the above general formulas (1) and (2). The same is true for the case.
- R 9 , R 10 and R 11 are preferably hydrogen atoms or alkyl groups having 1 to 20 carbon atoms, and more preferably hydrogen atoms or alkyl groups having 1 to 3 carbon atoms.
- m is 0 or 1.
- m is preferably 1, and in that case, Q is an oxygen atom, a nitrogen atom, a sulfur atom, a methylene group, an ethylene group or a carbonyl group, and preferably a methylene group.
- R 1 , X 1 , X 2 and L 1 are the same as in the cases of the above general formulas (1) and (2), and each of them is attached to each other alone and / or in any combination to form a polydentate chelate.
- a ligand may be formed, but it is preferable that X 1 , X 2 and L 1 do not form a polydentate chelating ligand, and R 1 is a hydrogen atom.
- R 13 to R 21 are hydrogen atoms; halogen atoms; or organic groups having 1 to 20 carbon atoms which may contain halogen atoms, oxygen atoms, nitrogen atoms, sulfur atoms, phosphorus atoms or silicon atoms; The groups of may have substituents or may be bonded to each other to form a ring.
- Specific examples of the organic group having 1 to 20 carbon atoms which may contain a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom or a silicon atom include the above general formulas (1) and (2). The same is true for the case.
- R 13 is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 3 carbon atoms, R 14 to R 17 are preferably hydrogen atoms, and R 18 to R 21 are. It is preferably a hydrogen atom or a halogen atom.
- the content of the metathesis polymerization catalyst is preferably 0.005 mmol or more, more preferably 0.01 to 50 mmol, still more preferably 0.015 to 20 relative to 1 mol of the total cycloolefin monomer used in the reaction. It is mmol.
- the polymerizable composition used in the present invention may contain a radical generator, a diisocyanate compound, a polyfunctional (meth) acrylate compound, and other optional components, if necessary.
- the radical generator has an action of inducing a cross-linking reaction in a cycloolefin polymer formed by bulk polymerization by generating radicals by heating.
- the site where the radical generator induces the cross-linking reaction is mainly the carbon-carbon double bond of the cycloolefin monomer, but cross-linking may also occur at the saturated bond portion.
- radical generators include organic peroxides, diazo compounds and non-polar radical generators.
- organic peroxide include hydroperoxides such as t-butyl hydroperoxide, p-menthan hydroperoxide, and cumene hydroperoxide; dialkyls such as di-t-butyl peroxide, dicumyl peroxide, and t-butyl cumyl peroxide.
- Peroxides Diacyl peroxides such as dipropionyl peroxides and benzoyl peroxides; 2,5-dimethyl-2,5-di (t-butylperoxy) hexane, 2,5-dimethyl-2,5-di (t-butylperoxy) ) -3-Hexins, peroxyketals such as 1,3-di (t-butylperoxyisopropyl) benzene; peroxyesters such as t-butylperoxyacetate, t-butylperoxybenzoate; t-butylperoxyisopropylcarbonate, Peroxycarbonates such as di (isopropylperoxy) dicarbonate; alkylsilylperoxasides such as t-butyltrimethylsilyl peroxide and the like can be mentioned.
- the dialkyl peroxide is preferable because it causes less damage to the metathesis polymerization reaction in bulk polymerization.
- diazo compound examples include 4,4'-bis azidobenzal (4-methyl) cyclohexanone, 4,4'-diazidocalcone, 2,6-bis (4'-azidobenzal) cyclohexanone, and 2,6-bis.
- (4'-Azidobenzal) -4-methylcyclohexanone, 4,4'-diazidodiphenyl sulfone, 4,4'-diazidodiphenylmethane, 2,2'-diazidosylben and the like can be mentioned.
- non-polar radical generator examples include 2,3-dimethyl-2,3-diphenylbutane, 2,3-diphenylbutane, 1,4-diphenylbutane, 3,4-dimethyl-3,4-diphenylhexane, 1, 1,2,2-Tetraphenylethane, 2,2,3,3-tetraphenylbutane, 3,3,4,4-tetraphenylhexane, 1,1,2-triphenylpropane, 1,1,2- Triphenylethane, triphenylmethane, 1,1,1-triphenylethane, 1,1,1-triphenylpropane, 1,1,1-triphenylbutane, 1,1,1-triphenylpentane, 1, Examples thereof include 1,1-triphenyl-2-propene, 1,1,1-triphenyl-4-pentene and 1,1,1-triphenyl-2-phenylethane.
- the amount of the radical generator in the polymerizable composition used in the present invention is preferably 0.1 to 10 parts by mass, more preferably 0.5 to 5 parts by mass with respect to 100 parts by mass of the total cycloolefin monomer used. It is a department.
- diisocyanate compound examples include methylene diphenyl (MDI) 4,4'-diisocyanate, toluene-2,4-diisocyanate, 4-methoxy-1,3-phenylenediocyanate, 4-isopropyl-1,3-phenylenediocyanate, and the like.
- MDI methylene diphenyl
- Examples thereof include an alicyclic diisocyanate compound of the above, and a polyurethane prepolymer obtained by reacting these diisocyanate compounds with a low molecular weight polyol or polyamine so that the terminal becomes an isocyanate.
- known compounds which have a polyfunctional isocyanate group in which these compounds are isocyanurates, burettes, adducts, or polypeptides can be used without particular limitation.
- Such examples include, for example, dimer of 2,4-toluylene diisocyanate, triphenylmethane triisocyanate, tris- (p-isocyanatephenyl) thiophosphite, polyfunctional aromatic isocyanate compound, polyfunctional aromatic.
- Examples thereof include an aliphatic isocyanate compound, a polyfunctional aliphatic isocyanate compound, a fatty acid-modified polyfunctional aliphatic isocyanate compound, a polyfunctional blocked isocyanate compound such as a blocked polyfunctional aliphatic isocyanate compound, and a polyisocyanate prepolymer.
- aromatic diisocyanate compounds, aliphatic diisocyanate compounds, and alicyclic diisocyanate compounds, which are polyfunctional non-blocking isocyanate compounds are preferably used because they are easily available and easy to handle. These compounds can be used alone or in combination of two or more.
- the polyfunctional block-type isocyanate compound is one in which at least two isocyanate groups in the molecule are reacted with the active hydrogen-containing compound to make it inactive at room temperature.
- the isocyanate compound generally has a structure in which the isocyanate group is masked by a blocking agent such as alcohols, phenols, ⁇ -caprolactam, oximes, and active methylene compounds.
- the polyfunctional block-type isocyanate compound is generally excellent in storage stability because it does not react at room temperature, but usually the isocyanate group is regenerated by heating at 140 to 200 ° C., and it can exhibit excellent reactivity.
- the active hydrogen reactive group in the molecule forms a chemical bond with the hydroxyl group present in the polyfunctional (meth) acrylate compound when the polyfunctional (meth) acrylate compound is used in combination, and as a result, the cycloolefin monomer is used. It is considered to play a role of improving the adhesion between the substrate and the base material (for example, when used as a sealing material for a semiconductor element, the semiconductor element).
- the diisocyanate compounds may be used alone or in combination of two or more.
- the amount of the diisocyanate compound in the polymerizable composition used in the present invention is preferably 0.5 to 20 parts by mass, more preferably 1 to 15 parts by mass, still more preferably 1 part by mass, based on 100 parts by mass of the total cycloolefin monomer. It is 2 to 10 parts by mass. Within this range, the strength and heat resistance of the obtained cured cycloolefin resin can be improved, and the adhesion of the cured cycloolefin resin can be improved, which is preferable.
- a polyfunctional (meth) acrylate compound may be used from the viewpoint of further enhancing the adhesion to the base material (for example, when used as a sealing material for a semiconductor device, the semiconductor device). It is presumed that by using the compound together with the diisocyanate compound, the function of the diisocyanate compound as an adhesion improver or an adhesion imparting agent is synergistically enhanced.
- Preferred examples of the polyfunctional (meth) acrylate compound include ethylene glycol dimethacrylate, triethylene glycol dimethacrylate, trimethylolpropane trimethacrylate and neopentyl glycol dimethacrylate.
- the polyfunctional (meth) acrylate compound may be used alone or in combination of two or more.
- the blending amount of the polyfunctional (meth) acrylate compound is preferably 0.5 to 20 parts by mass, more preferably 1 to 15 parts by mass, and further preferably 2 to 2 to 100 parts by mass with respect to 100 parts by mass of the total cycloolefin monomer used. It is 10 parts by mass.
- the function of the diisocyanate compound as an adhesion improver or an adhesion imparting agent is synergistically enhanced, and the adhesion of the cured cycloolefin resin can be further enhanced, which is preferable.
- Examples of other optional components include activators, activity regulators, elastomers, antioxidants and the like.
- the activator is a compound that acts as a co-catalyst of the above-mentioned metathesis polymerization catalyst and improves the polymerization activity of the catalyst.
- the activator for example, alkylaluminum halides such as ethylaluminum dichloride and diethylaluminum chloride; alkoxyalkylaluminum halides in which a part of the alkyl group of these alkylaluminum halides is replaced with an alkoxy group; organotin compounds and the like are used. ..
- the amount of the activator used is not particularly limited, but is preferably 0.1 to 100 mol, more preferably 1 to 10 mol, based on 1 mol of the total metathesis polymerization catalyst used in the polymerizable composition.
- the activity modifier prevents the polymerization from starting in the middle of the injection when the polymerizable composition is prepared by mixing two or more reaction stock solutions as described later and injected into the mold to start the polymerization. Used for
- Examples of the activity regulator when a compound of a transition metal of Group 5 or Group 6 of the periodic table is used as the metathesis polymerization catalyst include compounds having an action of reducing the metathesis polymerization catalyst, and alcohols, haloalcohols, and the like. Esters, ethers, nitriles and the like can be used. Of these, alcohols and haloalcohols are preferable, and haloalcohols are more preferable.
- alcohols include n-propanol, n-butanol, n-hexanol, 2-butanol, isobutyl alcohol, isopropyl alcohol, t-butyl alcohol and the like.
- haloalcohols include 1,3-dichloro-2-propanol, 2-chloroethanol, 1-chlorobutanol and the like.
- Lewis base compounds include Lewis base compounds containing phosphorus atoms such as tricyclopentylphosphine, tricyclohexylphosphine, triphenylphosphine, triphenylphosphite, n-butylphosphin; n-butylamine, pyridine, 4-vinylpyridine, acetonitrile, etc.
- Lewis base compounds containing nitrogen atoms such as ethylenediamine, N-benzylidenemethylamine, pyrazine, piperidine, and imidazole.
- norbornene substituted with an alkenyl group such as vinylnorbornene, propenylnorbornene and isopropenylnorbornene acts as the above-mentioned cycloolefin monomer and at the same time as an activity regulator.
- the amount of these activity modifiers used may be appropriately adjusted depending on the compound used.
- the elastomer examples include natural rubber, polybutadiene, polyisoprene, styrene-butadiene copolymer (SBR), styrene-butadiene-styrene copolymer (SBS), styrene-isoprene-styrene copolymer (SIS), and ethylene-.
- SBR styrene-butadiene copolymer
- SBS styrene-butadiene-styrene copolymer
- SIS styrene-isoprene-styrene copolymer
- EPDM propylene-dienter polymer
- EVA ethylene-vinyl acetate copolymer
- the viscosity of the elastomer can be adjusted by dissolving it in a polymerizable composition and using it.
- the amount of the elastomer used is preferably 0.5 to 20 parts by mass, more preferably 2 to 10 parts by mass, based on 100 parts by mass of the total cycloolefin monomer in the polymerizable composition.
- antioxidants examples include various antioxidants for plastics and rubbers such as phenol-based, phosphorus-based, and amine-based antioxidants.
- the polymerizable composition used in the present invention may contain a filler as an optional component.
- a filler various fillers can be used, and it is preferable to use a particulate inorganic filler without particular limitation.
- the particulate inorganic filler is preferably one having an aspect ratio of 1 to 2, and more preferably one having an aspect ratio of 1 to 1.5.
- the 50% volume cumulative diameter of the particulate inorganic filler is preferably 0.1 to 50 ⁇ m, more preferably 1 to 30 ⁇ m, and particularly preferably 1 to 10 ⁇ m.
- the aspect ratio means the ratio between the average major axis diameter of the filler and the 50% volume cumulative diameter.
- the average major axis diameter is a number average major axis diameter calculated as an arithmetic average value obtained by measuring the major axis diameters of 100 fillers randomly selected by optical micrographs.
- the 50% volume cumulative diameter is a value obtained by measuring the particle size distribution by the X-ray transmission method.
- the particulate inorganic filler examples include calcium carbonate, calcium hydroxide, calcium silicate, calcium sulfate, aluminum hydroxide, magnesium hydroxide, titanium oxide, zinc oxide, barium titanate, silica, alumina, and carbon black. , Graphite, antimony oxide, red phosphorus, various metal powders, clay, various ferrites, hydrotalcite and the like.
- magnesium hydroxide, aluminum hydroxide, silica and alumina are preferable, and aluminum hydroxide and silica are particularly preferable.
- the surface of the particulate inorganic filler may be hydrophobized.
- the particulate inorganic filler that has been hydrophobized it is possible to prevent the aggregation and sedimentation of the particulate inorganic filler in the polymerizable composition, and the particulate in the obtained cycloolefin resin cured product.
- the dispersion of the inorganic filler can be made uniform. As a result, the elasticity of the cured cycloolefin resin can be increased.
- the treatment agent used for the hydrophobization treatment include silane coupling agents such as vinylsilane, titanate coupling agents, aluminum coupling agents, fatty acids such as stearic acid, fats and oils, surfactants, and waxes.
- the treatment agent even if a filler is mixed with the polymerizable composition, the viscosity is low, the thixotropic property (viscosity at rest) does not easily increase, and the substrate (for example, as a sealing material for a semiconductor element) is used.
- a silane coupling agent having at least one hydrocarbon group having a norbornene structure is preferable from the viewpoint of improving the adhesion to the semiconductor device).
- the silane coupling agent can also function as a monomer, it is treated as a silane coupling agent in the present invention.
- silane coupling agent examples include bicycloheptenylethyltrimethoxysilane, bicycloheptenylethyltriethoxysilane, bicycloheptenylhexyltrimethoxysilane, bicycloheptenylhexyltriethoxysilane, and the like.
- heptenylethyltriethoxysilane and bicycloheptenylhexyltrimethoxysilane is preferably 0.1 to 5% by mass, more preferably 0.3. It is about 2% by mass, more preferably 0.5 to 1% by mass.
- the amount of the particulate inorganic filler in the polymerizable composition used in the present invention is preferably 10 to 1000 parts by mass, more preferably 100 to 500 parts by mass with respect to 100 parts by mass of the cycloolefin monomer. ..
- the polymerizable composition used in the present invention may contain a fibrous inorganic filler in addition to the particulate inorganic filler.
- the fibrous inorganic filler preferably has an aspect ratio of 5 to 100, and more preferably has an aspect ratio of 10 to 50.
- the 50% volume cumulative diameter of the fibrous inorganic filler is preferably 0.1 to 50 ⁇ m, more preferably 1 to 30 ⁇ m.
- the fibrous inorganic filler examples include glass fiber, wollastonite, potassium titanate, zonolite, basic magnesium sulfate, aluminum borate, tetrapod-type zinc oxide, gypsum fiber, phosphate fiber, alumina fiber, and whiskers.
- examples thereof include calcium carbonate, whiskers and boehmite.
- wollastonite and whiskers-like calcium carbonate are preferable.
- the fibrous inorganic filler may have its surface hydrophobized in the same manner as the above-mentioned particulate inorganic filler.
- the polymerizable composition used in the present invention is prepared by appropriately mixing each of the above components according to a known method.
- two or more premixed solutions are prepared, and immediately before the cycloolefin-based resin cured product is prepared, two or more premixed solutions are mixed using a mixing device or the like. May be prepared.
- the premixed liquid does not carry out bulk polymerization with only one liquid, but when all the liquids are mixed, each of the above-mentioned components is divided into two or more liquids so as to form a polymerizable composition containing each component in a predetermined ratio.
- Examples of such a combination of two or more reaction stock solutions include the following two types (a) and (b) depending on the type of metathesis polymerization catalyst used.
- a premixed solution (solution A) containing a cycloolefin monomer and an activator and a premixed solution (solution B) containing a cycloolefin monomer and a metathesis polymerization catalyst are used, and these are mixed to form a polymerizable composition. You can get things.
- a premixed solution (solution C) containing a cycloolefin monomer and containing neither a metathesis polymerization catalyst nor an activator may be used in combination.
- a premixed solution (i) containing a cycloolefin monomer and a premixed solution (ii) containing a metathesis polymerization catalyst are used.
- a polymerizable composition can be obtained by mixing.
- the premixed solution (ii) a solution in which a metathesis polymerization catalyst is dissolved or dispersed in a small amount of an inert solvent is usually used.
- Examples of such a solvent include aromatic hydrocarbons such as toluene, xylene, ethylbenzene and trimethylbenzene; and ketones such as methyl ethyl ketone, cyclopentanone, cyclohexanone, 2-heptanone and 4-hydroxy-4-methyl-2-pentanone.
- aromatic hydrocarbons such as toluene, xylene, ethylbenzene and trimethylbenzene
- ketones such as methyl ethyl ketone, cyclopentanone, cyclohexanone, 2-heptanone and 4-hydroxy-4-methyl-2-pentanone.
- Cyclic ethers such as tetrahydrofuran; diethyl ether, dichloromethane, dimethyl sulfoxide, ethyl acetate and the like, but aromatic hydrocarbons are preferable, and toluene is more preferable.
- Any component such as a radical generator, a diisocyanate compound, and a polyfunctional (meth) acrylate compound may be contained in any of the premixed solutions, or may be added in the form of a mixed solution other than the premixed solution. May be good.
- Examples of the mixing device used for mixing the premixed liquid include a collision mixing device generally used in a reaction injection molding method, a low-pressure mixer such as a dynamic mixer and a static mixer, and the like.
- the cured cycloolefin resin of the present invention is obtained by bulk polymerization of the above-mentioned polymerizable composition, and has a breaking elongation at 23 ° C. of 30% or more.
- the above-mentioned two or more premixed solutions are separately introduced into a collision mixing device, and are instantaneously mixed by a mixing head to form a mold.
- a mixing head examples thereof include a method of bulk polymerization inside or on a substrate.
- the cured cycloolefin resin of the present invention when used as a sealing material for sealing a semiconductor element such as a power semiconductor element, the above-mentioned two or more premixed liquids are applied to a collision mixing device, respectively. By introducing them separately, mixing them instantaneously with the mixing head, and supplying the mixed solution from the mixing head so as to cover the surface of the semiconductor device, the semiconductor device is sealed with the cured cycloolefin resin of the present invention. It is possible to obtain a semiconductor device that has been stopped.
- the cured cycloolefin resin of the present invention has a breaking elongation at 23 ° C. of 30% or more, more preferably 50% or more, and further preferably 100% or more.
- the upper limit of the elongation at break is not particularly limited, but is, for example, 1000% or less.
- the cured cycloolefin resin has a dumbbell shape of A1 conforming to JIS K7161, and the distance between chucks: 110 mm, tensile speed: 50 mm / s for the dumbbell-shaped test piece. It can be measured by conducting a tensile test in accordance with JIS K7161 under the conditions of a distance between marked lines: 75 mm and a temperature of 23 ° C., and measuring the elongation at break.
- the cured cycloolefin resin of the present invention may have a breaking elongation at 23 ° C. in the above range, but the breaking elongation at ⁇ 25 ° C. is preferably 7% or more, more preferably 30% or more. It is more preferably 50% or more, still more preferably 100% or more, and the upper limit of the elongation at break at ⁇ 25 ° C. is not particularly limited, but is, for example, 1000% or less.
- the breaking elongation at -25 ° C. can be measured in the same manner as the above-mentioned breaking elongation at 23 ° C. except that the temperature condition is -25 ° C.
- the cured cycloolefin resin of the present invention preferably has a breaking elongation at 23 ° C. of 7% or more, more preferably 20% or more, and further preferably after storage at 155 ° C. for 1000 hours. Is 28% or more, more preferably 50% or more, and the upper limit thereof is not particularly limited, but is, for example, 500% or less.
- the breaking elongation at 23 ° C. after storage at 155 ° C. for 1000 hours is measured by the above method after storing the cured cycloolefin resin at 155 ° C. for 1000 hours. This makes it possible to measure.
- the cycloolefin monomer the above-mentioned norbornene-based monomer (a1) and the monocyclic cycloolefin (a2) are used in combination, and the elongation at break at 23 ° C. is within the above range.
- the cured olefin resin can be made excellent in elasticity and high temperature durability while having sufficient crack resistance, whereby the cured cycloolefin resin of the present invention can be electrically sealed.
- the semiconductor devices obtained by using the resin-sealed semiconductor devices can be made excellent in temperature cycle reliability and durability. ..
- the semiconductor device obtained by using the cured cycloolefin resin of the present invention as a sealing material has excellent temperature cycle reliability and durability, and therefore, a power semiconductor device (for example, SiC, GaN, etc.) Sufficient reliability and durability can be realized even in an environment where Ga 2 O 3 or a power semiconductor device using a wide band gap material such as diamond) is used. Therefore, as a semiconductor device, It is particularly suitable as a semiconductor device provided with a power semiconductor element.
- the cured cycloolefin resin of the present invention is obtained by using a cycloolefin monomer, the characteristics of the cycloolefin resin, that is, the monomer liquid has a low viscosity, so that the degree of freedom of molding is high. Moreover, it also has the property that it can be applied and cured in a short time.
- the cured cycloolefin resin of the present invention is excellent in crack resistance, elasticity and high temperature durability, it can be used as a sealing material for a resin-sealed type semiconductor device, and is also used for metal composite molding. More specifically, it is used for covering a member having a metal part on the surface and installed in an environment where the temperature changes greatly, for example, for covering a pipeline field joint (pipeline field joint). It can also be suitably used for covering applications of welded joints). In particular, in the case of coating applications for pipeline in-situ joints, where curing in a short time is desired, the characteristics of cycloolefin resins, that is, the characteristics of being able to be applied and cured in a short time, are fully utilized.
- the cured cycloolefin resin of the present invention has excellent crack resistance, elasticity and high temperature durability in addition to these applications, and is used for automobiles such as bumpers and air deflectors, and foils.
- automobiles such as bumpers and air deflectors, and foils.
- medical applications such as medical equipment, industrial applications such as large panels and chairs, and housing equipment applications such as shower pans and wash bowls.
- housing equipment applications such as shower pans and wash bowls.
- shower pans and wash bowls Can also be preferably used.
- a dumbbell-shaped test piece was produced by punching a cured cycloolefin resin into a dumbbell-shaped A1 conforming to JIS K7161. Then, the obtained dumbbell-shaped test piece was subjected to a tensile test in accordance with JIS K7161 under the conditions of chuck distance: 110 mm, tensile speed: 50 mm / s, marked line distance: 75 mm, and temperature: 23 ° C. By measuring the elongation at break, the elongation at break was measured at room temperature.
- a dumbbell-shaped test piece was produced by punching a cured cycloolefin resin into a dumbbell-shaped A1 conforming to JIS K7161. Then, the obtained dumbbell-shaped test piece was subjected to a tensile test in accordance with JIS K7161 under the conditions of chuck distance: 110 mm, tensile speed: 50 mm / s, marked line distance: 75 mm, and temperature: -25 ° C. By measuring the elongation at break, the elongation at break was measured at ⁇ 25 ° C.
- a plurality of dumbbell-shaped test pieces were produced by punching a cured cycloolefin resin into a dumbbell shape of A1 conforming to JIS K7161. Then, the prepared dumbbell-shaped test pieces were stored under the conditions of 125 ° C. and 1000 hours, respectively, 155 ° C. and 1000 hours, and 175 ° C. and 1000 hours, respectively. The breaking elongation was measured under the same conditions as the "breaking elongation (normal temperature)".
- Example 1 70 parts of RIM monomer (manufactured by Nippon Zeon Corporation) and 30 parts of 1,5-cyclooctadiene were mixed to obtain a premixed solution (i).
- the above-mentioned RIM monomer contains 90 parts of dicyclopentadiene and 10 parts of tricyclopentadiene as a norbornene-based monomer.
- ruthenium catalyst Zhan1N
- BHT 2,6-di-t-butyl-p-cresol
- triphenylphosphine triphenylphosphine
- a flat plate molded product reaction injection molding die consisting of two stainless steel plates having a space of 245 mm in length ⁇ 210 mm in width ⁇ 4 mm in thickness was used.
- the reaction injection molding die has a structure having a reaction liquid injection hole at the lowermost portion of one of the stainless steel plates.
- Example 2 In the same manner as in Example 1 except that the blending amount of the RIM monomer was changed to 60 parts and the blending amount of 1,5-cyclooctadiene was changed to 40 parts when preparing the preliminary compounding solution (i). , Cycloolefin resin cured product was obtained and evaluated in the same manner. The results are shown in Table 1.
- Example 3 In the same manner as in Example 1 except that the compounding amount of the RIM monomer was changed to 50 parts and the compounding amount of 1,5-cyclooctadiene was changed to 50 parts when preparing the preliminary compounding solution (i). , Cycloolefin resin cured product was obtained and evaluated in the same manner. The results are shown in Table 1.
- Example 4 The same as in Example 1 except that the blending amount of the RIM monomer was changed to 30 parts and the blending amount of 1,5-cyclooctadiene was changed to 70 parts when preparing the preliminary compounding solution (i). , Cycloolefin resin cured product was obtained and evaluated in the same manner. The results are shown in Table 1.
- Example 5 In the same manner as in Example 1 except that the compounding amount of the RIM monomer was changed to 10 parts and the compounding amount of 1,5-cyclooctadiene was changed to 90 parts when preparing the preliminary compounding solution (i). , Cycloolefin resin cured product was obtained and evaluated in the same manner. The results are shown in Table 1.
- Example 6 Except for the fact that 1,5-cyclooctadiene was not added and the amount of RIM monomer was changed to 70 parts and the amount of cyclooctene was changed to 30 parts when preparing the premixed solution (i). A cured cycloolefin resin was obtained in the same manner as in Example 1, and evaluated in the same manner. The results are shown in Table 1.
- Example 7 Except for the fact that 1,5-cyclooctadiene was not added and the amount of RIM monomer was changed to 50 parts and the amount of cyclooctene was changed to 50 parts when preparing the premixed solution (i). A cured cycloolefin resin was obtained in the same manner as in Example 1, and evaluated in the same manner. The results are shown in Table 1.
- Example 8 When preparing the premixed solution (i), except that 1,5-cyclooctadiene was not blended, the blending amount of RIM monomer was changed to 50 parts, and the blending amount of cyclohexene was changed to 50 parts. A cured cycloolefin resin was obtained in the same manner as in Example 1, and the evaluation was carried out in the same manner. The results are shown in Table 1.
- Example 9 When preparing the pre-blended solution (i), the amount of 1,5-cyclooctadiene was not blended, the blending amount of RIM monomer was 70 parts, and the blending amount of 1,4-p-mentadien was 30 parts, respectively.
- a cycloolefin-based resin cured product was obtained and evaluated in the same manner as in Example 1 except that the changes were made. The results are shown in Table 1.
- Example 10 When preparing the premixed solution (i), the blending amount of RIM monomer was changed to 14.5 parts and the blending amount of 1,5-cyclooctadiene was changed to 14.5 parts, respectively, and dicyclopentadiene was prepared. 0.6 parts of a monoepoxide (DCPME) solution and 0.4 parts of bicycloheptenylethyltrimethoxysilane were mixed. The DCPME solution is used as a cyclopentanone solution (DCPME content: about 40%, by-product content: about 27%) containing 5,6-DCPME and DCPDE (dicyclopentadiene epoxide) as by-products. board.
- DCPME monoepoxide
- DCPDE dicyclopentadiene epoxide
- a polymerizable composition containing a norbornene-based monomer (a1) and a monocyclic cycloolefin (a2) was used as the cycloolefin monomer, and the elongation at break at 23 ° C. (normal temperature) was obtained.
- the cured cycloolefin resin having a content of 30% or more has a large breaking elongation at -25 ° C in addition to the breaking elongation at room temperature, and has sufficient breaking elongation after high temperature storage, and has crack resistance, elasticity and elasticity. It had excellent high temperature durability.
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Abstract
Description
本発明は、このような実状に鑑みてなされたものであり、耐クラック性、伸縮性及び高温耐久性に優れるシクロオレフィン系樹脂硬化物、ならびに、該硬化物の形成に好適に用いられる重合性組成物を提供することを目的とする。
前記シクロオレフィンモノマーが、ノルボルネン系モノマー(a1)と、単環シクロオレフィン(a2)とを含有し、
23℃における破断伸びが30%以上であるシクロオレフィン系樹脂硬化物が提供される。
本発明のシクロオレフィン系樹脂硬化物において、前記単環シクロオレフィン(a2)が、1,5-シクロオクタジエン、シクロオクテン、シクロヘキセン、1,4-シクロヘキサジエン、または、1,4-p-メンタジエンであることが好ましい。
本発明のシクロオレフィン系樹脂硬化物において、前記重合性組成物が、充填材を含有することが好ましい。
また、本発明によれば、シクロオレフィンモノマー及びメタセシス重合触媒を含む重合性組成物であって、
前記シクロオレフィンモノマーが、ノルボルネン系モノマー(a1)と、単環シクロオレフィン(a2)とを含有する、
前記シクロオレフィン系樹脂硬化物形成用の重合性組成物が提供される。
本発明の重合性組成物は、単独では重合反応を生じない2以上の予備配合液からなり、前記予備配合液を合わせることで前記重合性組成物を形成しうるものであるのが好ましい。
まず、本発明のシクロオレフィン系樹脂硬化物を製造するために用いられる重合性組成物について説明する。
本発明のシクロオレフィン系樹脂硬化物を製造するために用いられる重合性組成物は、シクロオレフィンモノマー及びメタセシス重合触媒を含有する。
本発明においては、シクロオレフィンモノマーとして、ノルボルネン系モノマー(a1)と、単環シクロオレフィン(a2)とを少なくとも用いる。
また、R3、R4、R5及びR6は任意の組合せで互いに結合して環を形成していてもよい。
また、ハロゲン原子、酸素原子、窒素原子、硫黄原子、リン原子又は珪素原子を含んでいてもよい炭素数1~20の有機基の具体例としては、上記一般式(1)及び(2)の場合と同様である。
これらの化合物は、それぞれ単独で、あるいは2種以上を組み合わせて用いることができる。
本発明で用いる重合性組成物中のノルボルネン構造を有する炭化水素基を少なくとも1つ有するシランカップリング剤の含有量としては、好ましくは0.1~5質量%であり、より好ましくは0.3~2質量%であり、さらに好ましくは0.5~1質量%である。
本発明のシクロオレフィン系樹脂硬化物は、上記した重合性組成物を、塊状重合させることで得られるものであり、23℃における破断伸びが30%以上であるものである。
また、本発明のシクロオレフィン系樹脂硬化物は、155℃、1000時間保管した後の、23℃における破断伸びが、7%以上であることが好ましく、より好ましくは20%以上であり、さらに好ましくは28%以上であり、さらにより好ましくは50%以上であり、その上限は、特に限定されないが、たとえば、500%以下である。155℃、1000時間保管した後の、23℃における破断伸びは、シクロオレフィン系樹脂硬化物を155℃、1000時間の条件で保管した後、上記した方法により、23℃における破断伸びの測定を行うことにより、測定することができる。
シクロオレフィン系樹脂硬化物をJIS K7161に準拠したA1号のダンベル形状に打ち抜くことで、ダンベル形状の試験片を作製した。そして、得られたダンベル形状の試験片について、チャック間距離:110mm、引張速度:50mm/s、標線間距離:75mm、温度:23℃の条件で、JIS K7161に準拠して引張試験を行い、破断時の伸びを計測することで、常温における破断伸びを測定した。
シクロオレフィン系樹脂硬化物をJIS K7161に準拠したA1号のダンベル形状に打ち抜くことで、ダンベル形状の試験片を作製した。そして、得られたダンベル形状の試験片について、チャック間距離:110mm、引張速度:50mm/s、標線間距離:75mm、温度:-25℃の条件で、JIS K7161に準拠して引張試験を行い、破断時の伸びを計測することで、-25℃における破断伸びを測定した。
シクロオレフィン系樹脂硬化物をJIS K7161に準拠したA1号のダンベル形状に打ち抜くことで、ダンベル形状の試験片を複数作製した。そして、作製したダンベル形状の試験片を、それぞれ、125℃、1000時間の条件、155℃、1000時間の条件、及び175℃、1000時間の条件で保管し、保管後の各試験片について、上記した「破断伸び(常温)」と同じ条件で、破断伸びの測定を行った。
RIMモノマー(日本ゼオン株式会社製)70部及び1,5-シクロオクタジエン30部を混合し予備配合液(i)を得た。また、上記のRIMモノマーは、ノルボルネン系モノマーとして、90部のジシクロペンタジエンおよび10部のトリシクロペンタジエンを含有する。
予備配合液(i)を調製する際に、RIMモノマーの配合量を60部に、1,5-シクロオクタジエンの配合量を40部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、RIMモノマーの配合量を50部に、1,5-シクロオクタジエンの配合量を50部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、RIMモノマーの配合量を30部に、1,5-シクロオクタジエンの配合量を70部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、RIMモノマーの配合量を10部に、1,5-シクロオクタジエンの配合量を90部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、1,5-シクロオクタジエンを配合せず、RIMモノマーの配合量を70部に、シクロオクテンの配合量を30部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、1,5-シクロオクタジエンを配合せず、RIMモノマーの配合量を50部に、シクロオクテンの配合量を50部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、1,5-シクロオクタジエンを配合せず、RIMモノマーの配合量を50部に、シクロヘキセンの配合量を50部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、1,5-シクロオクタジエンを配合せず、RIMモノマーの配合量を70部に、1,4-p-メンタジエンの配合量を30部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、RIMモノマーの配合量を14.5部に、1,5-シクロオクタジエンの配合量を14.5部に、それぞれ変更し、かつ、ジシクロペンタジエンモノエポキシド(DCPME)溶液0.6部、ビシクロヘプテニルエチルトリメトキシシラン0.4部を混合した。なお、DCPME溶液は、副生成物として5,6-DCPMEおよびDCPDE(ジシクロペンタジエンジエポキシド)を含む、シクロペンタノン溶液(DCPME含量:約40%、副生成物含量:約27%)として用いた。これに水酸化アルミニウム(アスペクト比:1、50%体積累積径:3μm)70部をさらに配合することで、予備配合液(i)を得て、調製した予備配合液(i)及び予備配合液(ii)を(i):(ii)=100:1.1(質量比)の割合で混合した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、RIMモノマーの配合量を100部に変更し、かつ、1,5-シクロオクタジエンを配合しなかった以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、RIMモノマーの配合量を90部に、1,5-シクロオクタジエンの配合量を10部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、RIMモノマーの配合量を80部に、1,5-シクロオクタジエンの配合量を20部に、それぞれ変更した以外は、実施例1と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
予備配合液(i)を調製する際に、RIMモノマーの配合量を29部に変更し、1,5-シクロオクタジエンを配合しなかった以外は、実施例10と同様にして、シクロオレフィン系樹脂硬化物を得て、同様に評価を行った。結果を表1に示す。
一方、シクロオレフィンモノマーとして、単環シクロオレフィン(a2)を含有しない重合性組成物を用いた場合や、単環シクロオレフィン(a2)を含有する重合性組成物を用いた場合でも、23℃(常温)での破断伸びが30%未満である場合には、-25℃における破断伸びや、高温保管後における破断伸びに劣る結果となった(比較例1~4)。
Claims (7)
- シクロオレフィンモノマー及びメタセシス重合触媒を含む重合性組成物を塊状重合してなるシクロオレフィン系樹脂硬化物であって、
前記シクロオレフィンモノマーが、ノルボルネン系モノマー(a1)と、単環シクロオレフィン(a2)とを含有し、
23℃における破断伸びが30%以上であるシクロオレフィン系樹脂硬化物。 - 前記シクロオレフィンモノマー中の前記単環シクロオレフィン(a2)の含有量が30~99質量%である請求項1に記載のシクロオレフィン系樹脂硬化物。
- 前記単環シクロオレフィン(a2)が、1,5-シクロオクタジエン、シクロオクテン、シクロヘキセン、1,4-シクロヘキサジエン、及び1,4-p-メンタジエンから選択される少なくとも一種である請求項1または2に記載のシクロオレフィン系樹脂硬化物。
- 前記単環シクロオレフィン(a2)が、1,5-シクロオクタジエンである請求項3に記載のシクロオレフィン系樹脂硬化物。
- 前記重合性組成物が、充填材を含有する請求項1~4のいずれかに記載のシクロオレフィン系樹脂硬化物。
- シクロオレフィンモノマー及びメタセシス重合触媒を含む重合性組成物であって、
前記シクロオレフィンモノマーが、ノルボルネン系モノマー(a1)と、単環シクロオレフィン(a2)とを含有する、
請求項1に記載のシクロオレフィン系樹脂硬化物形成用の重合性組成物。 - 単独では重合反応を生じない2以上の予備配合液からなり、前記予備配合液を合わせることで前記重合性組成物を形成しうる請求項6に記載の重合性組成物。
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