WO2018155672A1 - 繊維強化プラスチック用樹脂組成物、その硬化物、及び該硬化物からなる繊維強化プラスチック - Google Patents
繊維強化プラスチック用樹脂組成物、その硬化物、及び該硬化物からなる繊維強化プラスチック Download PDFInfo
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- WO2018155672A1 WO2018155672A1 PCT/JP2018/006883 JP2018006883W WO2018155672A1 WO 2018155672 A1 WO2018155672 A1 WO 2018155672A1 JP 2018006883 W JP2018006883 W JP 2018006883W WO 2018155672 A1 WO2018155672 A1 WO 2018155672A1
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- WIPO (PCT)
- Prior art keywords
- fiber
- group
- epoxy resin
- cyanate ester
- resin composition
- Prior art date
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- 239000011342 resin composition Substances 0.000 title claims abstract description 57
- 229920002430 Fibre-reinforced plastic Polymers 0.000 title claims abstract description 52
- 239000011151 fibre-reinforced plastic Substances 0.000 title claims abstract description 52
- 239000003822 epoxy resin Substances 0.000 claims abstract description 71
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 70
- 239000004643 cyanate ester Substances 0.000 claims abstract description 58
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate group Chemical group [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims abstract description 25
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 150000004982 aromatic amines Chemical class 0.000 claims abstract description 9
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 35
- 125000004432 carbon atom Chemical group C* 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims description 5
- IWRZKNMUSBNOOD-UHFFFAOYSA-N 2-methyl-4-(oxiran-2-ylmethoxy)-n,n-bis(oxiran-2-ylmethyl)aniline Chemical compound C=1C=C(N(CC2OC2)CC2OC2)C(C)=CC=1OCC1CO1 IWRZKNMUSBNOOD-UHFFFAOYSA-N 0.000 claims description 4
- FBFIDNKZBQMMEQ-UHFFFAOYSA-N 3-(3-phenylpentan-3-yl)benzene-1,2-diamine Chemical compound C=1C=CC(N)=C(N)C=1C(CC)(CC)C1=CC=CC=C1 FBFIDNKZBQMMEQ-UHFFFAOYSA-N 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- PBUMTLOEAITQSM-UHFFFAOYSA-N 2-(3-aminopentan-3-yl)aniline Chemical compound CCC(N)(CC)C1=CC=CC=C1N PBUMTLOEAITQSM-UHFFFAOYSA-N 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 3
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 claims description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 8
- 239000004566 building material Substances 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- -1 aliphatic amines Chemical class 0.000 description 35
- 238000001723 curing Methods 0.000 description 32
- 239000000835 fiber Substances 0.000 description 25
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 20
- 125000002947 alkylene group Chemical group 0.000 description 13
- 229920005989 resin Polymers 0.000 description 13
- 239000011347 resin Substances 0.000 description 13
- 125000000732 arylene group Chemical group 0.000 description 11
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical group C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 9
- 238000000465 moulding Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 8
- 239000010936 titanium Substances 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 7
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 6
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 6
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
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- 229910052726 zirconium Inorganic materials 0.000 description 6
- 239000004593 Epoxy Substances 0.000 description 5
- 239000007983 Tris buffer Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 150000002170 ethers Chemical class 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002759 woven fabric Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- UMHKOAYRTRADAT-UHFFFAOYSA-N [hydroxy(octoxy)phosphoryl] octyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OP(O)(=O)OCCCCCCCC UMHKOAYRTRADAT-UHFFFAOYSA-N 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 3
- 150000001913 cyanates Chemical class 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- HTDKEJXHILZNPP-UHFFFAOYSA-N dioctyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OCCCCCCCC HTDKEJXHILZNPP-UHFFFAOYSA-N 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 239000009719 polyimide resin Substances 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 2
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 2
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 2
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 2
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- WDULIZRNXLCPBC-UHFFFAOYSA-N 3-(2-phenylpropan-2-yl)benzene-1,2-diamine Chemical compound C=1C=CC(N)=C(N)C=1C(C)(C)C1=CC=CC=C1 WDULIZRNXLCPBC-UHFFFAOYSA-N 0.000 description 2
- AHIPJALLQVEEQF-UHFFFAOYSA-N 4-(oxiran-2-ylmethoxy)-n,n-bis(oxiran-2-ylmethyl)aniline Chemical compound C1OC1COC(C=C1)=CC=C1N(CC1OC1)CC1CO1 AHIPJALLQVEEQF-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- SIZDMAYTWUINIG-UHFFFAOYSA-N [4-[1-(4-cyanatophenyl)ethyl]phenyl] cyanate Chemical compound C=1C=C(OC#N)C=CC=1C(C)C1=CC=C(OC#N)C=C1 SIZDMAYTWUINIG-UHFFFAOYSA-N 0.000 description 2
- AHZMUXQJTGRNHT-UHFFFAOYSA-N [4-[2-(4-cyanatophenyl)propan-2-yl]phenyl] cyanate Chemical compound C=1C=C(OC#N)C=CC=1C(C)(C)C1=CC=C(OC#N)C=C1 AHZMUXQJTGRNHT-UHFFFAOYSA-N 0.000 description 2
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- 125000003545 alkoxy group Chemical group 0.000 description 2
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
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- 230000000052 comparative effect Effects 0.000 description 2
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- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- VELFFNYFZHVFNA-UHFFFAOYSA-N dioctyl phosphono phosphate Chemical compound CCCCCCCCOP(=O)(OP(O)(O)=O)OCCCCCCCC VELFFNYFZHVFNA-UHFFFAOYSA-N 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
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- 238000006735 epoxidation reaction Methods 0.000 description 2
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 2
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- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 2
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- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
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- 229910052760 oxygen Inorganic materials 0.000 description 2
- QBDSZLJBMIMQRS-UHFFFAOYSA-N p-Cumylphenol Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=CC=C1 QBDSZLJBMIMQRS-UHFFFAOYSA-N 0.000 description 2
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- 239000002904 solvent Substances 0.000 description 2
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- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
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- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
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- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
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- 125000006219 1-ethylpentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
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- IEKHISJGRIEHRE-UHFFFAOYSA-N 16-methylheptadecanoic acid;propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(C)CCCCCCCCCCCCCCC(O)=O.CC(C)CCCCCCCCCCCCCCC(O)=O.CC(C)CCCCCCCCCCCCCCC(O)=O IEKHISJGRIEHRE-UHFFFAOYSA-N 0.000 description 1
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- VXHYVVAUHMGCEX-UHFFFAOYSA-N 2-(2-hydroxyphenoxy)phenol Chemical compound OC1=CC=CC=C1OC1=CC=CC=C1O VXHYVVAUHMGCEX-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
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- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 150000007519 polyprotic acids Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- PWEBUXCTKOWPCW-UHFFFAOYSA-N squaric acid Chemical class OC1=C(O)C(=O)C1=O PWEBUXCTKOWPCW-UHFFFAOYSA-N 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 1
- 229950006389 thiodiglycol Drugs 0.000 description 1
- 125000005407 trans-1,4-cyclohexylene group Chemical group [H]C1([H])C([H])([H])[C@]([H])([*:2])C([H])([H])C([H])([H])[C@@]1([H])[*:1] 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- UDUKMRHNZZLJRB-UHFFFAOYSA-N triethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OCC)(OCC)OCC)CCC2OC21 UDUKMRHNZZLJRB-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 description 1
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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
- C08G59/245—Di-epoxy compounds carbocyclic aromatic
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/28—Di-epoxy compounds containing acyclic nitrogen atoms
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4028—Isocyanates; Thioisocyanates
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5033—Amines aromatic
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/56—Amines together with other curing agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
Definitions
- the present invention relates to a resin composition for fiber reinforced plastics, and more specifically, when the number of cyanate groups of cyanate ester and the number of epoxy groups of epoxy resin are adjusted, and applied to a fiber transition temperature (Tg) and fiber reinforced plastic.
- Tg fiber transition temperature
- the present invention relates to a fiber reinforced plastic resin composition having a good balance with the strength of the fiber, and a fiber reinforced plastic comprising a cured product of the composition.
- a method of making a molded product using a thermosetting epoxy resin, an unsaturated polyester, a polyamide resin, or a phenol resin as a reinforcing material for a fiber material such as carbon fiber or glass fiber is well known.
- Fiber reinforced plastics using this method are widely used in structural materials such as aircraft and ships, and sporting goods such as tennis rackets and golf clubs.
- Epoxy resins are not only excellent in adhesiveness, heat resistance, and chemical resistance, but are inexpensive and are often used as reinforcing materials as well-balanced materials.
- Epoxy resin composition has excellent electrical performance and adhesive strength, but when epoxy resin is further mixed with cyanate ester, a rigid and highly heat-resistant curing is achieved by forming a triazine ring during curing. Since a product can be obtained, it is frequently used for molding a semiconductor sealing material or an electronic circuit board.
- Patent Document 1 provides a copper-clad laminate having good electrical characteristics and heat resistance by manufacturing a thin film prepreg by adding a polyimide resin to an epoxy resin and cyanate ester, and laminating the prepreg. Is described.
- a highly heat-resistant resin composition is achieved with a polyimide resin.
- the polyimide is solid. If not used, there is a problem in that it is difficult to use, and when a solvent is used, there is a problem in workability, for example, a drying process must be performed. Further, when no polyimide resin is used, there are problems in heat resistance and various physical properties.
- Patent Document 2 describes that a prepreg using a polyfunctional cyanate ester having a biphenyl skeleton and a laminate are provided.
- the laminated board and printed wiring board described in the cited document 2 have high heat resistance and low dielectric properties.
- the followability of the cured product with respect to the fiber is poor, and when various physical properties such as tension and bending are measured, the distance between the fiber and the resin composition As a result, there was a problem that a satisfactory fiber reinforced plastic could not be obtained.
- the cyanate ester reacts with a curing agent having active hydrogen to become an active species, and then the active species react with the epoxy resin to increase the molecular weight. Progresses. When the number of cyanate groups of the cyanate ester or the number of epoxy groups of the epoxy resin is too small, there are few reaction points and it is difficult to increase the molecular weight, and a satisfactory cured product cannot be obtained.
- cyanate ester and epoxy resin it is necessary to select an appropriate curing agent to be used.
- highly reactive curing agents such as aliphatic amines such as metaxylylene diamine and isophorone diamine have a short pot life when applied to fiber reinforced plastics, and the resin composition is not suitable before impregnating the fiber. It hardens and a uniform fiber reinforced plastic cannot be obtained.
- Patent Document 3 when using a latent curing agent that is solid at room temperature, the pot life can be secured, but when the curing agent is solid, when trying to apply to fiber reinforced plastic, There is a problem that the curing agent does not easily penetrate from the surface of the fiber, and the cyanate ester and the epoxy resin are separated from the curing agent, so that the curing reaction does not proceed appropriately.
- the problem to be solved by the present invention is high heat resistance, and further, when used for producing fiber reinforced plastic, it has excellent followability to fibers, and various physical properties such as tension and bending are good. It is providing the resin composition which can obtain a fiber reinforced plastic.
- the present inventors diligently studied, and when cyanate ester and epoxy resin were used, the average number of cyanate groups in the system and the average number of epoxy groups were controlled, and the curing agent was 25 ° C.
- a resin composition capable of obtaining a cured product having a good balance between heat resistance and various physical properties was found, and the present invention was achieved.
- the present invention includes (A) a cyanate ester, (B) an epoxy resin, and (C) an aromatic amine curing agent that is liquid at 25 ° C., and is represented by the following formula (1):
- the average cyanate group number of acid ester is 2.1 or more and / or the resin composition for fiber reinforced plastics whose average epoxy group number of (B) epoxy resin represented by the following formula (2) is 2.1 or more. .
- n (A) represents the number of kinds of cyanate ester component contained in the cyanate ester
- a i is the i-th cyanate groups of the cyanate ester component contained in (A) the cyanate ester the stands
- X i represents the proportion of weight of the i-th cyanate ester component in (a) a cyanate ester.
- n represents the number of types of epoxy resin component contained in (B) the epoxy resin
- B k represents the number of epoxy groups in the kth epoxy resin component contained in (B) the epoxy resin
- Y k represents a mass-based content ratio of the k-th epoxy resin component in (B) the epoxy resin.
- the cyanate ester which is the component (A) used in the present invention is a compound having a cyanate group in the molecule.
- the cyanate ester as the component (A) may be composed of one kind of cyanate ester or may be a mixture of plural kinds of cyanate esters.
- the cyanate ester as the component (A) preferably has an average cyanate group number of 2.1 or more as a whole of the component (A) when represented by the following formula (1).
- n (A) represents the number of kinds of cyanate ester component contained in the cyanate ester
- a i is the i-th cyanate groups of the cyanate ester component contained in (A) the cyanate ester the stands
- X i represents the proportion of weight of the i-th cyanate ester component in (a) a cyanate ester.
- the (A) cyanate ester used in the present invention preferably has a value of the number of cyanate groups obtained by the above formula (1) of 2.1 or more.
- the average number of cyanate groups is preferably 2.1 to 5.0, more preferably 2.2 to 5.0, from the viewpoint of the balance between the Tg of the cured product and the reliability of the fiber reinforced plastic. More preferably, it is 2.4 to 4.1.
- the average number of cyanate groups is larger than the above range, the viscosity of the resin composition becomes high, the fiber cannot be impregnated with the entire amount of the resin composition, and molding of fiber reinforced plastic tends to be difficult.
- the number of cyanate groups of the cyanate ester is preferably within the above-mentioned range.
- the said average cyanate group number of a mixture is made into the above-mentioned range by adjusting the compounding quantity of the cyanate ester in a mixture. It is preferable.
- the (A) cyanate ester of the present invention includes, for example, a compound represented by the following general formula (3-1), a prepolymer of a compound represented by the following general formula (3-1), and the following general formula ( It is preferable to use at least one compound and / or prepolymer selected from the group consisting of compounds represented by 3-2).
- R a represents a single bond, —S— or a divalent hydrocarbon group
- R b and R c each independently represents an unsubstituted group or 1 to 4 alkyl groups.
- R b and R c are substituted with 2 to 4 alkyl groups, the alkyl groups may be the same or different.
- n represents an integer of 1 to 10
- R d represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
- the divalent hydrocarbon group represented by R a includes an alkylene group having 1 to 8 carbon atoms, a cycloalkylene group having 3 to 13 carbon atoms, and 6 to 6 carbon atoms. 12 arylene groups, arylene alkylene groups, arylene alkylene groups, and the like.
- Examples of the alkylene group having 1 to 8 carbon atoms include methylene, ethylene, propylene, methylethylene, butylene, 1-methylpropylene, 2-methylpropylene, 1,2-dimethylpropylene, 1,3-dimethylpropylene, and 1-methyl.
- Butylene, 2-methylbutylene, 3-methylbutylene, 4-methylbutylene, 2,4-dimethylbutylene, 1,3-dimethylbutylene, pentylene, hexylene, heptylene, octylene, ethane-1,1-diyl, propane- 2,2-diyl and the like can be mentioned.
- Examples of the cycloalkylene group having 3 to 13 carbon atoms include 1,2-cyclopropylene group, 1,3-cycloheptylene group, trans-1,4-cyclohexylene group and the like.
- Examples of the arylene group having 6 to 12 carbon atoms include phenylene, tolylene and naphthylene.
- Examples of the arylene alkylene group include phenylenemethylene and phenyleneethylene.
- Examples of the arylene alkylene group include phenylene dimethylene and phenylene diethylene.
- the alkylene group having 1 to 8 carbon atoms, the arylene alkylene group, and the methylene chain in the arylene alkylene group may be replaced by —O—, —S—, —CO—, or —C ⁇ C—. .
- An alkylene group having 1 to 8 carbon atoms, an arylene group having 6 to 12 carbon atoms, an arylene alkylene group, and an arylene alkylene group are a cyano group, a carboxyl group, an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, and a carbon atom. In some cases, it may be substituted with an alkoxy group of 1 to 4 or a halogen atom.
- Examples of the alkyl group having 1 to 4 carbon atoms that may substitute an alkylene group having 1 to 8 carbon atoms include an alkyl group having 1 to 4 carbon atoms, which will be described later.
- Examples of the alkoxy group include those obtained by interrupting an alkyl group having 1 to 4 carbon atoms described later with an oxygen atom.
- Examples of the alkyl group represented by R b and R c that may substitute phenylene in formula (3-1) include alkyl groups having 1 to 8 carbon atoms.
- Examples of the alkyl group having 1 to 8 carbon atoms include methyl, ethyl, propyl, isopropyl, butyl, secondary butyl, tertiary butyl, isobutyl, amyl, isoamyl, secondary amyl, tertiary amyl, hexyl, 1-ethylpentyl, Examples include cyclohexyl, 1-methylcyclohexyl, heptyl, isoheptyl, tertiary heptyl, n-octyl, isooctyl, tertiary octyl, 2-ethylhexyl and the like.
- Examples of the alkyl group having 1 to 4 carbon atoms represented by R d in the general formula (3-2) include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl and the like.
- the compound represented by the general formula (3-1) is preferably a compound represented by the following general formula (3-3) from the viewpoint of easy availability.
- R e represents a single bond, a methylene group, —CH (CH 3 ) —, —C (CH 3 ) 2 —, or the following general formulas (4-1) to (4- 8) represents any functional group represented by R f , R g , R h , and R i each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
- Examples of the alkyl group having 1 to 4 carbon atoms represented by R f , R g , R h , and R i in the general formula (3-3) include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t -Butyl and the like.
- Examples of the compound represented by the general formula (3-3) include bis (4-cyanatophenyl) methane, bis (3,5-dimethyl-4-cyanatophenyl) methane, 1,1-bis ( 4-cyanatophenyl) ethane, 2,2-bis (4-cyanatophenyl) propane and the like.
- the (A) cyanate ester used in the present invention is a compound represented by the above general formula (3-2), 1,1-bis (4- (4)), from the viewpoint of availability and heat resistance of a cured product. Particularly preferred are cyanatophenyl) ethane and 2,2-bis (4-cyanatophenyl) propane.
- the content of (A) cyanate ester in the resin composition for fiber-reinforced plastics of the present invention is preferably 10 to 200 parts by mass, and preferably 30 to 150 parts per 100 parts by mass of (B) epoxy resin described later.
- the amount is more preferably part by mass, and further preferably 50 to 120 parts by mass.
- the epoxy resin which is the component (B) used in the present invention is a compound having an epoxy group in the molecule.
- the epoxy resin which is (B) component may consist of one type of epoxy resin, or may be a mixture of multiple types of epoxy resins.
- the epoxy resin which is (B) component it is preferable that the average number of epoxy groups of the whole (B) component represented by following formula (2) is 2.1 or more.
- n represents the number of types of epoxy resin component contained in (B) the epoxy resin
- B k represents the number of epoxy groups in the kth epoxy resin component contained in (B) the epoxy resin
- Y k represents a mass-based content ratio of the k-th epoxy resin component in (B) the epoxy resin.
- the (B) epoxy resin used in the present invention preferably has an average number of epoxy groups of 2.2 to 5.0, more preferably 2.5 to 4.0.
- the average number of epoxy groups is less than the above range, the Tg of the cured product does not improve and the heat resistance tends to decrease.
- it is larger than the above range it is difficult to obtain the corresponding epoxy resin.
- the viscosity of the composition also increases and tends to be less practical.
- the number of epoxy groups of the epoxy resin is preferably in the above range.
- the (B) epoxy resin of the present invention is a mixture of a plurality of types of epoxy resins, it is preferable that the average number of epoxy groups in the mixture is within the above range by adjusting the amount of the epoxy resin in the mixture. .
- the epoxy resin (B) of the present invention is, for example, a polyglycidyl ether compound of a mononuclear polyhydric phenol compound such as hydroquinone, resorcin, pyrocatechol, phloroglucinol; dihydroxynaphthalene, biphenol, methylene bisphenol ( Bisphenol F), methylene bis (orthocresol), ethylidene bisphenol, isopropylidene bisphenol (bisphenol A), isopropylidene bis (orthocresol), tetrabromobisphenol A, 1,3-bis (4-hydroxycumylbenzene), 1, 4-bis (4-hydroxycumylbenzene), 1,1,3-tris (4-hydroxyphenyl) butane, 1,1,2,2-tetra (4-hydroxyphenyl) ethane, thiobisphenol, Polyglycidyl ether compounds of polynuclear polyhydric phenol compounds such as hobisphenol, oxybisphenol,
- epoxy resins may be those internally crosslinked by terminal isocyanate prepolymers or those having a high molecular weight with polyvalent active hydrogen compounds (polyhydric phenols, polyamines, carbonyl group-containing compounds, polyphosphates, etc.). Good.
- liquid is preferable from the viewpoint of good impregnation into the fiber, and mononuclear polyhydric phenol compound from the viewpoint of easy availability and easy adjustment of the average number of epoxy groups.
- the average cyanate group number represented by the said Formula (1) shall be 2.1 or more, and / or the average epoxy group number represented by the said Formula (2) shall be 2.1 or more. It is essential.
- increasing the average epoxy group number represented by the above formula (2) is more than increasing the average cyanate group number represented by the above formula (1).
- the average number of epoxy groups is preferably 2.2 to 5.0, and more preferably 2.5 to 4.0.
- the average cyanate group number may be less than 2.1, but is preferably 1.8 or more, more preferably 1.9 or more, and 2.0 or more. More preferably.
- (C) Aromatic amine curing agent liquid at 25 ° C. (C)
- the aromatic amine curing agent that is liquid at 25 ° C. used in the present invention is liquid at 25 ° C. in order to allow easy penetration into the fiber material, and further has an amino group directly on the aromatic ring. It is a built-in compound. Examples of such compounds include diaminodimethyldiphenylmethane, diaminodiethyldiphenylmethane, diaminodiethyltoluene, 1-methyl-3,5-bis (methylthio) -2,4-benzenediamine, 1-methyl-3,5-bis. (Methylthio) -2,6-benzenediamine and the like.
- diaminodiphenylmethane diaminodimethyldiphenylmethane, and diaminodiethyltoluene are preferable, and diaminodiethyldiphenylmethane is more preferable.
- the amount of the aromatic amine curing agent that is liquid at (C) 25 ° C. is preferably 20 to 100 parts by mass, and 40 to 90 parts by mass with respect to 100 parts by mass of the (B) epoxy resin. More preferred. When the amount is less than 20 parts by mass or when the amount is more than 100 parts by mass, the resin composition tends not to be completely cured.
- the resin composition for fiber-reinforced plastics of the present invention may contain (D) a light absorbing component.
- D When a light absorptive component is contained, the curing time can be further shortened by irradiating active energy rays. By shortening the curing time, the working time is shortened, and it is not only economical because it cures with less energy than in the case of heat curing, but it is also advantageous in terms of the environment.
- the (D) light-absorbing component contained in the resin composition of the present invention is a component that can absorb the active energy ray and release thermal energy, and cure the resin composition by the released thermal energy. be able to.
- a light-absorbing component from the viewpoint of infiltrating the resin composition between the fibers, it is a liquid at 25 ° C., or a liquid that becomes compatible when mixed with other materials. Is preferred. Examples of such compounds include aniline black, metal complexes, squaric acid derivatives, immonium dyes, polymethine, phthalocyanine compounds, naphthalocyanine compounds, perylene compounds, quaterylene compounds, nigrosine compounds, and the like. In the present invention, among these compounds, it is more preferable to use a nigrosine compound from the viewpoint that it can be easily obtained.
- nigrosine compounds examples include BONASORB series, eBIND ACW series, eBIND LTW series, eBIND LAW series, ORIENT NIGROSINE series, NUBIAN BLACK series, etc., manufactured by Orient Chemical Industry Co., Ltd.
- the NUBIAN BLACK series is preferably used because it is inexpensive and easily available.
- These nigrosine compounds may be used alone or in combination of two or more.
- the blending amount of the (D) light absorbing component contained in the resin composition of the present invention may be in the range of 0.001 to 1% by mass with respect to the total amount of the resin composition. Taking into consideration the balance between the curing rate of the resin composition and the heat generation (burning of the composition), it is preferably 0.01 to 0.5% by mass, and preferably 0.05 to 0.2% by mass. Further preferred. If it is less than 0.001%, heat generation is insufficient only by active energy ray irradiation, and it becomes difficult for the resin composition to be completely cured. In addition, when it is more than 1%, the active energy rays are almost absorbed on the surface of the resin composition, and only the surface of the resin composition is carbonized and the active energy does not pass to the inside. It becomes difficult to cure completely.
- an additive may be used in combination with the resin composition of the present invention.
- the additive include non-reactive diluents (plasticizers) such as dioctyl phthalate, dibutyl phthalate, benzyl alcohol, and coal tar; pigments; ⁇ -aminopropyltriethoxysilane, N- ⁇ - (aminoethyl) - ⁇ -aminopropyltriethoxysilane, N- ⁇ - (aminoethyl) -N'- ⁇ - (aminoethyl) - ⁇ -aminopropyltriethoxysilane, ⁇ -anilinopropyltriethoxysilane, ⁇ -glycidoxy Propyltriethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltriethoxysilane, vinyltriethoxysilane, N- ⁇ - (N-)
- plasticizers such
- additives listed above from the viewpoint of impregnating the fiber, it is preferable that it is liquid at 25 ° C. or is soluble in a cyanate ester, an epoxy resin, or an aromatic amine curing agent. It is more preferable to add a silane coupling agent in terms of improving the adhesion to ⁇ -aminopropyltriethoxysilane and / or ⁇ -glycidoxy in terms of availability and low cost. It is more preferable to add propyltriethoxysilane, and it is particularly preferable to add ⁇ -glycidoxypropyltriethoxysilane.
- the amount of the silane coupling agent listed above is preferably 0.1 to 50 parts by mass with respect to 100 parts by weight of the (B) epoxy resin, and has good miscibility with the resin. In terms of improving adhesion, it is more preferable to add 7 to 20 parts by mass.
- the cured product of the present invention is obtained by curing the resin composition for fiber-reinforced plastic of the present invention.
- the resin composition for fiber-reinforced plastics of this invention can be cured by heating.
- the resin composition for fiber reinforced plastics of this invention contains (D) light absorptive component, hardening time can be shortened by irradiating an active energy ray. By shortening the curing time, the working time is shortened, and it is not only economical because it cures with less energy than in the case of heat curing, but it is also advantageous in terms of the environment.
- the active energy ray is not particularly limited and can be appropriately selected according to the purpose.
- Examples of the active energy ray include electron beam, ultraviolet ray, infrared ray, laser beam, visible ray, ionizing radiation (X ray, ⁇ ray, ⁇ ray, ⁇ ray, etc.), microwave, high frequency and the like.
- the curing rate can be further improved.
- a solid laser using ruby, glass, YAG crystal obtained by adding a trace amount of rare earth to yttrium, aluminum, garnet
- medium obtained by dissolving a dye in a solvent such as water or alcohol Liquid laser
- gas laser using CO 2, argon, He—Ne mixed gas or the like as a medium
- semiconductor laser using semiconductor recombination emission it is preferable to use a semiconductor laser that is inexpensive and easy to control the output.
- the wavelength of the laser beam used in the present invention is not particularly limited.
- the resin composition can be cured in the range of 1 W to 4 kW.
- the time for laser irradiation is not particularly limited, but varies depending on the irradiation area and output.
- the resin composition can be cured in the range of 0.2 W / mm 2 to 10 W / mm 2. .
- the wavelength of infrared rays for curing the resin composition of the present invention is not particularly limited.
- the wavelength of any region such as the near infrared region (wavelength is approximately 0.7 to 2.5 ⁇ m), the mid infrared region (wavelength is approximately 2.5 to 4 ⁇ m), and the far infrared region (wavelength is approximately 4 to 1000 ⁇ m).
- the resin composition can be cured.
- Examples of the method of irradiating infrared rays for curing the resin composition of the present invention include a method of irradiating with an infrared heater.
- Examples of the infrared heater include a halogen heater, a quartz heater, a sheathed heater, and a ceramic heater.
- Halogen heaters can irradiate infrared rays having wavelengths from the near infrared region to the mid infrared region, and quartz heaters, seed heaters, and ceramic heaters emit infrared rays having wavelengths from the mid infrared region to the far infrared region. Irradiation is also possible.
- it is preferable to use a halogen heater because the time from when the power is turned on until the heat source is heated is short and can be heated quickly.
- the wavelength of infrared rays for curing the resin composition of the present invention is not particularly limited, but various wavelength regions can be used depending on the absorption region of the light absorbing component to be used.
- the cured resin of the present invention can be cured in a short time in the near infrared region (wavelength is approximately 0.7 to 2.5 ⁇ m).
- the fiber reinforced plastic of the present invention can be obtained by curing the fiber reinforced plastic resin composition of the present invention and a fiber reinforced plastic matrix resin (composition) containing the reinforced fibers uniformly.
- uniformly containing the resin composition for fiber reinforced plastics and the reinforcing fiber means that the resin composition is completely distributed to the inside of the fiber without staying on the surface.
- the type of the reinforcing fiber is not particularly limited. For example, carbon fiber, glass fiber, aramid fiber, boron fiber, alumina fiber, silicone carbide fiber, or the like may be used alone, or two or more kinds of hybrid fibers may be used. Good.
- the reinforcing fiber listed above a so-called tow sheet in which high-strength and high-modulus fibers are arranged in one direction, a unidirectional woven fabric in which the fiber yarns are arranged in one direction or two directions, and bidirectional properties Examples thereof include a woven fabric, a triaxial woven fabric arranged in three directions, and a multiaxial woven fabric arranged in multiple directions.
- the fibers may be arranged so as to ensure an appropriate gap between the strands in order to improve the resin impregnation property to the base material.
- the resin composition for fiber reinforced plastics of this invention there is no restriction
- the resin composition for fiber reinforced plastics The volume content of the reinforcing fiber is preferably 45 to 70%, more preferably 50 to 65% with respect to the total volume of the above.
- the method for curing the fiber reinforced plastic matrix resin is not particularly limited, and for example, it can be cured in the same manner as the above-described curing method for the fiber reinforced plastic resin composition of the present invention.
- the method for molding the fiber reinforced plastic using the resin composition of the present invention is not particularly limited.
- extrusion molding blow molding, compression molding, vacuum molding, injection molding, RTM (Resin Transfer Molding) molding, VaRTM (Vaccum Assist Resin Transfer Molding) molding, laminate molding, hand lay-up molding, filament winding molding method and the like.
- the fiber reinforced plastic obtained using the resin composition of the present invention can be used for various applications.
- general industrial applications such as structural materials for moving bodies such as automobiles, ships and railway vehicles, drive shafts, leaf springs, windmill blades, pressure vessels, flywheels, paper rollers, roofing materials, cables, and repair and reinforcement materials; Aerospace applications such as fuselage, main wing, tail wing, moving wing, fairing, cowl, door, seat, interior material, motor case, antenna, etc .; golf shaft, fishing rod, tennis or badminton racket application, hockey stick application, etc. Examples include sports applications such as ski pole applications.
- Example 1 In a 500 mL disposable cup, 100 g of (A) LECy (1,1-bis (4-cyanatophenyl) ethane; Lonza, average cyanate group number: 2) as cyanate ester, (B) Adeka resin as epoxy resin EP-4901E (bisphenol F type epoxy resin, manufactured by ADEKA Corporation, epoxy equivalent: 170 g / eq., Average number of epoxy groups: 2), 75 g, MY-0510 (N, N-bis (2,3-epoxypropyl) -4- (2,3-epoxypropoxy) -2-methylaniline, manufactured by Huntsman, epoxy equivalent: 101 g / eq., Average number of epoxy groups: 3) 12.5 g, (C) aromatic liquid at 25 ° C.
- A LECy (1,1-bis (4-cyanatophenyl) ethane; Lonza, average cyanate group number: 2) as cyanate ester
- Adeka resin as epoxy resin EP
- ⁇ Tg measurement> 5 mg of the above composition was weighed into a pan for differential scanning calorimetry, heated at 80 ° C. for 5 hours, then further heated at 150 ° C. for 2 hours to be cured, and then differential scanning calorimeter (DSC 6220ASD-2, Seiko) Tg was measured by heating at a temperature rising condition of 10 ° C./min and reading the inflection point of the differential scanning calorific value. The results are shown in Table 1.
- Examples 2 to 8, Comparative Example 1 Except for changing the formulation as shown in Table 1, the same operations as in Example 1 were performed to obtain the formulations of Examples 2 to 3 and Comparative Example 1. About the obtained compound, Tg and the bending test were evaluated in the same manner as in Example 1. The results are shown in Table 1.
- the resin composition of the present invention had a good Tg value, and the fiber reinforced plastic after impregnating and curing the fiber was also excellent in the bending test.
- the fiber reinforced plastic that does not use the resin composition of the present invention was evaluated to some extent with respect to the physical properties when made into a fiber reinforced plastic, but satisfactory results were not obtained in Tg.
- the fiber reinforced plastic produced using the resin composition for fiber reinforced plastic and the reinforced fiber of the present invention has excellent heat resistance and excellent tensile and bending properties, so that it can be used for ships, automobiles, aircraft, etc. It can be applied to a wide range of fields, such as transport equipment, sports equipment, washstands, building materials such as window frames, industrial equipment such as high pressure gas tanks and blades for wind power generation.
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Abstract
Description
[(A)シアン酸エステル]
本発明で使用する(A)成分であるシアン酸エステルは、分子中にシアネート基を有する化合物である。(A)成分であるシアン酸エステルは1種類のシアン酸エステルからなる場合があり、又は複数種類のシアン酸エステルの混合物である場合もある。(A)成分であるシアン酸エステルは、下記式(1)で表した時の(A)成分全体の平均シアネート基数が、2.1以上であることが好ましい。
上記平均シアネート基数は、硬化物のTgと繊維強化プラスチックの信頼性とのバランスの観点から、2.1~5.0であることが好ましく、2.2~5.0であることがより好ましく、2.4~4.1であることが更に好ましい。平均シアネート基数が前記の範囲より多い場合、樹脂組成物の粘度が高くなり、繊維へ樹脂組成物全量を含浸させることができず、繊維強化プラスチックの成形が困難になる傾向にある。
Rb及びRcが2~4個のアルキル基で置換されている場合、該アルキル基は同一の場合があり、異なる場合がある。)
炭素原子数1~8のアルキレン基としては、メチレン、エチレン、プロピレン、メチルエチレン、ブチレン、1-メチルプロピレン、2-メチルプロピレン、1,2-ジメチルプロピレン、1,3-ジメチルプロピレン、1-メチルブチレン、2-メチルブチレン、3-メチルブチレン、4-メチルブチレン、2,4-ジメチルブチレン、1,3-ジメチルブチレン、ペンチレン、へキシレン、ヘプチレン、オクチレン、エタン-1,1-ジイル、プロパン-2,2-ジイル等が挙げられる。
炭素原子数3~13のシクロアルキレン基としては、1,2-シクロプロピレン基、1,3-シクロヘプチレン基、トランス-1,4-シクロヘキシレン基等が挙げられる。
炭素原子数6~12のアリーレン基としてはフェニレン、トリレン、ナフチレン等が挙げられる。
アリーレンアルキレン基としてはフェニレンメチレン、フェニレンエチレン等が挙げられる。
アリーレンジアルキレン基としてはフェニレンジメチレン、フェニレンジエチレン等が挙げられる。
上記炭素原子数1~8のアルキレン基及びアリーレンアルキレン基並びにアリーレンジアルキレン基中のメチレン鎖は、-O-、-S-、-CO-又は-C=C-に置き換えられている場合もある。
炭素原子数1~8のアルキレン基、炭素原子数6~12のアリーレン基、アリーレンアルキレン基及びアリーレンジアルキレン基は、シアノ基、カルボキシル基、炭素原子数1~4のアルキル基、水酸基、炭素原子数1~4のアルコキシ基又はハロゲン原子で置換されている場合がある。炭素原子数1~8のアルキレン基等を置換する場合がある炭素原子数1~4のアルキル基としては、後述する炭素数が1~4のアルキル基が挙げられ、炭素原子数1~4のアルコキシ基としては、後述する炭素数が1~4のアルキル基を酸素原子で中断したものが挙げられる。
Rf、Rg、Rh、及びRiは、それぞれ独立に、水素原子、又は炭素数が1~4のアルキル基を表す。)
一般式(4-1)~(4-8)中の*は結合手を表す。)
本発明で使用される(A)シアン酸エステルは、入手の容易性と硬化物の耐熱性の観点から、上記一般式(3-2)で表される化合物、1,1-ビス(4-シアナトフェニル)エタン、2,2-ビス(4-シアナトフェニル)プロパンであることが特に好ましい。
本発明で使用する(B)成分であるエポキシ樹脂は、分子中にエポキシ基を有する化合物である。(B)成分であるエポキシ樹脂は、1種類のエポキシ樹脂からなる場合があり、又は、複数種のエポキシ樹脂の混合物である場合がある。(B)成分であるエポキシ樹脂は、下記式(2)で表される(B)成分全体の平均エポキシ基数が2.1以上であることが好ましい。
平均エポキシ基数を2.1以上とした場合、平均シアネート基数は2.1未満でも構わないが、1.8以上であることが好ましく、1.9以上であることがより好ましく、2.0以上であることが更に好ましい。
本発明で使用する、(C)25℃で液状の芳香族アミン系硬化剤は、繊維材料に容易に浸透が可能にするために、25℃で液状であり、さらに芳香環に直接アミノ基が備わっている化合物である。そのような化合物としては、例えば、ジアミノジメチルジフェニルメタン、ジアミノジエチルジフェニルメタン、ジアミノジエチルトルエン、1-メチル-3、5-ビス(メチルチオ)-2、4-ベンゼンジアミン、1-メチル-3、5-ビス(メチルチオ)-2、6-ベンゼンジアミンなどが挙げられる。
これらの中では、硬化物の耐熱性が向上するという観点から、ジアミノジフェニルメタン、ジアミノジメチルジフェニルメタン、及びジアミノジエチルトルエンが好ましく、ジアミノジエチルジフェニルメタンがより好ましい。
本発明の樹脂組成物には、必要に応じて、添加剤を併用してもよい。
上記添加剤としては、例えば、ジオクチルフタレート、ジブチルフタレート、ベンジルアルコール、コールタール等の非反応性の希釈剤(可塑剤);顔料;γ-アミノプロピルトリエトキシシラン、N-β-(アミノエチル)-γ-アミノプロピルトリエトキシシラン、N-β-(アミノエチル)-N’-β-(アミノエチル)-γ-アミノプロピルトリエトキシシラン、γ-アニリノプロピルトリエトキシシラン、γ-グリシドキシプロピルトリエトキシシラン、β-(3,4-エポキシシクロヘキシル)エチルトリエトキシシラン、ビニルトリエトキシシラン、N-β-(N-ビニルベンジルアミノエチル)-γ-アミノプロピルトリエトキシシラン、γ-メタクリロキシプロピルトリメトキシシラン、γ-クロロプロピルトリメトキシシラン、γ-メルカプトプロピルトリメトキシシラン、γ-イソシアネートプロピルトリエトキシシラン等のシランカップリング剤;イソプロピルトリイソステアロイルチタネート、イソプロピルトリ-n-ドデシルベンゼンスルホニルチタネート、イソプロピルトリス(ジオクチルピロホスフェート)チタネート、テトライソプロピルビス(ジオクチルホスファイト)チタネート、テトラオクチルビス(ジトリデシルホスファイト)チタネート、テトラ(2,2-ジアリルオキシメチル-1-ブチル)ビス(ジ-トリデシル)ホスファイトチタネート、ビス(ジオクチルピロホスフェート)オキシアセテートチタネート、ビス(ジオクチルピロホスフェート)エチレンチタネート、イソプロピルトリオクタノイルチタネート、イソプロピルジメタクリロイルイソステアロイルチタネート、イソプロピルイソステアロイルジアクリルチタネート、イソプロピルトリ(ジオクチルホスフェート)チタネート、イソプロピルトリクミルフェニルチタネート、イソプロピルトリ(N-アミノエチル-アミノエチル)チタネート、テトライソプロピルチタネート、テトラノルマルブチルチタネート、ブチルチタネートダイマー、テトラキス(2-エチルヘキシル)チタネート、テトラステアリルチタネート、テトラメチルチタネート、ジエトキシビス(アセチルアセトナト)チタン、ジイソプロピルビス(アセチルアセトナト)チタン、ジイソプロポキシビス(エチルアセトアセテート)チタン、イソプロポキシ(2-エチル-1,3-ヘキサンジオラト)チタン、ジ(2-エチルヘキソキシ)ビス(2-エチル-1,3-ヘキサンジオラト)チタン、ジ-n-ブトキシビス(トリエタノールアミナト)チタン、テトラアセチルアセトネートチタン、ヒドロキシビス(ラクタト)チタン、ジクミルフェニルオキシアセテートチタネート、ジイソステアロイルエチレンチタネート等のチタンカップリング剤;ネオアルコキシトリスネオデカノイルジルコネート、ネオアルコキシトリス(ドデシル)ベンゼンスルホニルジルコネート、ネオアルコキシトリス(ジオクチル)ホスフェートジルコネート、ネオアルコキシトリス(ジオクチル)ピロホスフェートジルコネート、ネオアルコキシトリス(エチレンジアミノ)エチルジルコネート、ネオアルコキシトリス(m-アミノ)フェニルジルコネート、テトラ(2,2-ジアリルオキシメチル)ブチル,ジ(ジトリデシル)ホスフィトジルコネート、ネオペンチル(ジアリル)オキシ,トリネオデカノイルジルコネート、ネオペンチル(ジアリル)オキシ,トリ(ドデシル)ベンゼン-スルホニルジルコネート、ネオペンチル(ジアリル)オキシ,トリ(ジオクチル)ホスファトジルコネート、ネオペンチル(ジアリル)オキシ,トリ(ジオクチル)ピロ-ホスファトジルコネート、ネオペンチル(ジアリル)オキシ,トリ(N-エチレンジアミノ)エチルジルコネート、ネオペンチル(ジアリル)オキシ,トリ(m-アミノ)フェニルジルコネート、ネオペンチル(ジアリル)オキシ,トリメタクリルジルコネート、ネオペンチル(ジアリル)オキシ,トリアクリルジルコネート、ジネオペンチル(ジアリル)オキシ,ジパラアミノベンゾイルジルコネート、ジネオペンチル(ジアリル)オキシ,ジ(3-メルカプト)プロピオニックジルコネート、ジルコニウム(IV)2,2-ビス(2-プロペノラトメチル)ブタノラト,シクロジ[2,2-(ビス2-プロペノラトメチル)ブタノラト]ピロホスファト-O,O、ネオアルコキシトリスネオデカノイルジルコネート、ネオアルコキシトリス(ドデシル)ベンゼンスルホニルジルコネート、ネオアルコキシトリス(ジオクチル)ホスフェートジルコネート、ネオアルコキシトリス(ジオクチル)ピロホスフェートジルコネート、ネオアルコキシトリス(エチレンジアミノ)エチルジルコネート、ネオアルコキシトリス(m-アミノ)フェニルジルコネート、また、ジルコニウム系カップリング剤としては、テトラノルマルプロポキシジルコニウム、テトラノルマルブトキシジルコニウム、ジルコニウムテトラアセチルアセトネート、ジルコニウムトリブトキシアセチルアセトネート、ジルコニウムトリブトキシステアレート、ジルコニウムジブトキシビス(アセチルアセトネート)、ジルコニウムジブトキシビス(アセチルアセトネート)、ジルコニウムトリブトキシエチルアセトアセテート、ジルコニウムモノブトキシアセチルアセトネートビス(エチルアセトアセテート)等のジルコニウム系カップリング剤;キャンデリラワックス、カルナウバワックス、木ろう、イボタロウ、みつろう、ラノリン、鯨ろう、モンタンワックス、石油ワックス、脂肪酸ワックス、脂肪酸エステル、脂肪酸エーテル、芳香族エステル、芳香族エーテル等の潤滑剤;増粘剤;チキソトロピック剤;酸化防止剤;光安定剤;紫外線吸収剤;難燃剤;消泡剤;防錆剤等の常用の添加剤を挙げることができる。
上記に挙げた強化繊維の形態としては、高強度・高弾性率繊維を一方向に配列させたいわゆるトウシートや、前記繊維糸状を一方向又は二方向に配列させた一方向性織物や二方向性織物、三方向に配列させた三軸織物、多方向に配列させた多軸織物などが挙げられる。トウシートにおいては、基材への樹脂含浸性を向上させるためにストランド間に適度の隙間を確保するように前記繊維を配列するとよい。
500mLディスポカップに、(A)シアン酸エステルとして、LECy(1,1-ビス(4-シアナトフェニル)エタン;ロンザ社製、平均シアネート基数:2)を100g、(B)エポキシ樹脂として、アデカレジンEP-4901E(ビスフェノールF型エポキシ樹脂、(株)ADEKA製、エポキシ当量:170g/eq.、平均エポキシ基数:2)を75g、MY-0510(N,N-ビス(2,3-エポキシプロピル)-4-(2,3-エポキシプロポキシ)-2-メチルアニリン、ハンツマン社製、エポキシ当量:101g/eq.、平均エポキシ基数:3)を12.5g、(C)25℃で液状の芳香族アミン系硬化物として、カヤハードAA(ジアミノジエチルジフェニルメタン、日本化薬(株)製)を70g加え、25℃にて5分間スパチュラで撹拌した。その後、遊星式攪拌機を使用して更に撹拌し、配合物を得た。得られた配合物について、以下の方法によりガラス転移点温度(Tg)、曲げ試験の評価を行った。
示差走査熱量測定用のパンに、上記配合物を5mg測量し、80℃で5時間加熱し、その後更に150℃で2時間加熱して硬化させた後、示差走査熱量計(DSC6220ASD-2、セイコーインスツル(株)製)により、10℃/分の昇温条件で加熱させ、示差走査熱量の変曲点を読み取ることにより、Tgを測定した。結果を表1に示す。
ガラス繊維(UDR S14EU970-01190-00100-100000、SAERTEX社製)100gに対し、得られた配合物33gを、ローラーを用いて含浸させた。その後、樹脂を含浸させたガラス繊維を150℃の恒温槽に入れ、3時間かけて樹脂を硬化させた。得られた樹脂硬化後の樹脂繊維複合物(繊維強化プラスチック)について、JIS K 7057に準拠した方法で上降伏点応力、最大点応力、弾性率、層間せん断を測定した。結果を表1に示す。
表1の通りに配合を変えたこと以外は、実施例1と同様の操作を行い、実施例2~3及び比較例1の配合物を得た。得られた配合物について、実施例1と同様にTgと曲げ試験の評価を行った。結果を表1に示す。
Claims (7)
- (A)シアン酸エステル、(B)エポキシ樹脂、及び(C)25℃で液状の芳香族アミン系硬化剤を含み、
下記式(1)で表される(A)シアン酸エステルの平均シアネート基数が2.1以上、及び/又は下記式(2)で表される(B)エポキシ樹脂の平均エポキシ基数が2.1以上である、繊維強化プラスチック用樹脂組成物。
- (A)シアン酸エステルが、下記一般式(3-1)で表される化合物、下記一般式(3-1)で表される化合物のプレポリマー、及び下記一般式(3-2)で表される化合物からなる群から選択される少なくとも1種の化合物及び/又はプレポリマーを含有する、請求項1に記載の繊維強化プラスチック用樹脂組成物。
Rb及びRcが2~4個のアルキル基で置換されている場合、該アルキル基は同一の場合があり、異なる場合がある。)
- (B)エポキシ樹脂が、N,N-ビス(2,3-エポキシプロピル)-4-(2,3-エポキシプロポキシ)-2-メチルアニリン、N,N-ビス(2,3-エポキシプロピル)-4-(2,3-エポキシプロポキシ)アニリン、及びN,N,N’,N’-テトラ(2,3-エポキシプロピル)-4,4’-ジアミノジフェニルメタンからなる群より選択される少なくとも1種の多官能エポキシ樹脂を含有する、請求項1~3の何れか1項に記載の繊維強化プラスチック用樹脂組成物。
- (C)25℃で液状の芳香族アミン系硬化剤が、ジアミノジフェニルメタン、ジアミノジエチルジフェニルメタン、及びジアミノジエチルトルエンからなる群より選択される少なくとも1つの化合物である、請求項1~4の何れか1項に記載の繊維強化プラスチック用樹脂組成物。
- 請求項1~5の何れか1項に記載の繊維強化プラスチック用樹脂組成物を硬化させてなる硬化物。
- 請求項1~5の何れか1項に記載の樹脂組成物及び強化繊維を含有する組成物を硬化させてなる、繊維強化プラスチック。
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