WO2023018274A1 - 경화성 수지 조성물 - Google Patents
경화성 수지 조성물 Download PDFInfo
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- WO2023018274A1 WO2023018274A1 PCT/KR2022/012076 KR2022012076W WO2023018274A1 WO 2023018274 A1 WO2023018274 A1 WO 2023018274A1 KR 2022012076 W KR2022012076 W KR 2022012076W WO 2023018274 A1 WO2023018274 A1 WO 2023018274A1
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- WIPO (PCT)
- Prior art keywords
- weight
- graft copolymer
- curable resin
- resin composition
- parts
- Prior art date
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- 239000011342 resin composition Substances 0.000 title claims abstract description 71
- 229920000578 graft copolymer Polymers 0.000 claims abstract description 168
- 239000003822 epoxy resin Substances 0.000 claims abstract description 62
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 62
- 239000000203 mixture Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 32
- 239000000178 monomer Substances 0.000 claims description 87
- 229920001971 elastomer Polymers 0.000 claims description 50
- 239000002245 particle Substances 0.000 claims description 48
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 27
- 230000009974 thixotropic effect Effects 0.000 claims description 19
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 229920002554 vinyl polymer Polymers 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 238000010559 graft polymerization reaction Methods 0.000 claims description 9
- 150000001993 dienes Chemical class 0.000 claims description 8
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 229920006033 core shell type graft co-polymer Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 57
- 238000000034 method Methods 0.000 abstract description 30
- 239000004609 Impact Modifier Substances 0.000 abstract description 10
- 238000002360 preparation method Methods 0.000 description 45
- 229920000126 latex Polymers 0.000 description 28
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- 230000002776 aggregation Effects 0.000 description 15
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 14
- 238000004220 aggregation Methods 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 13
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- 238000006243 chemical reaction Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
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- -1 automobile parts Substances 0.000 description 8
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- 229920000642 polymer Polymers 0.000 description 8
- 239000012745 toughening agent Substances 0.000 description 8
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
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- 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 6
- 239000003999 initiator Substances 0.000 description 6
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- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 5
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- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
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- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 3
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- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 description 3
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- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
- JZHGRUMIRATHIU-UHFFFAOYSA-N 1-ethenyl-3-methylbenzene Chemical compound CC1=CC=CC(C=C)=C1 JZHGRUMIRATHIU-UHFFFAOYSA-N 0.000 description 2
- RRRXUCMQOPNVAT-UHFFFAOYSA-N 1-ethenyl-4-(4-methylphenyl)benzene Chemical compound C1=CC(C)=CC=C1C1=CC=C(C=C)C=C1 RRRXUCMQOPNVAT-UHFFFAOYSA-N 0.000 description 2
- VVTGQMLRTKFKAM-UHFFFAOYSA-N 1-ethenyl-4-propylbenzene Chemical compound CCCC1=CC=C(C=C)C=C1 VVTGQMLRTKFKAM-UHFFFAOYSA-N 0.000 description 2
- OIEANVCCDIRIDJ-UHFFFAOYSA-N 1-ethenyl-5-hexylnaphthalene Chemical compound C1=CC=C2C(CCCCCC)=CC=CC2=C1C=C OIEANVCCDIRIDJ-UHFFFAOYSA-N 0.000 description 2
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 2
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 description 2
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- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 2
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
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- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
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- 150000001412 amines Chemical class 0.000 description 2
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- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
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- 238000002296 dynamic light scattering Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- CKDSFRWKHBYHHT-UHFFFAOYSA-N 4-bicyclo[2.2.1]heptanylmethanamine Chemical compound C1CC2CCC1(CN)C2 CKDSFRWKHBYHHT-UHFFFAOYSA-N 0.000 description 1
- DGRGLKZMKWPMOH-UHFFFAOYSA-N 4-methylbenzene-1,2-diamine Chemical compound CC1=CC=C(N)C(N)=C1 DGRGLKZMKWPMOH-UHFFFAOYSA-N 0.000 description 1
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 description 1
- UGWOAPBVIGCNOV-UHFFFAOYSA-N 5-ethenyldec-5-ene Chemical compound CCCCC=C(C=C)CCCC UGWOAPBVIGCNOV-UHFFFAOYSA-N 0.000 description 1
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 description 1
- CSHJJWDAZSZQBT-UHFFFAOYSA-N 7a-methyl-4,5-dihydro-3ah-2-benzofuran-1,3-dione Chemical compound C1=CCCC2C(=O)OC(=O)C21C CSHJJWDAZSZQBT-UHFFFAOYSA-N 0.000 description 1
- OFQPKKGMNWASPN-UHFFFAOYSA-N Benzyl methyl sulfide Chemical compound CSCC1=CC=CC=C1 OFQPKKGMNWASPN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 241001112258 Moca Species 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- XZAHJRZBUWYCBM-UHFFFAOYSA-N [1-(aminomethyl)cyclohexyl]methanamine Chemical compound NCC1(CN)CCCCC1 XZAHJRZBUWYCBM-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- XIWMTQIUUWJNRP-UHFFFAOYSA-N amidol Chemical compound NC1=CC=C(O)C(N)=C1 XIWMTQIUUWJNRP-UHFFFAOYSA-N 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- IMJGQTCMUZMLRZ-UHFFFAOYSA-N buta-1,3-dien-2-ylbenzene Chemical compound C=CC(=C)C1=CC=CC=C1 IMJGQTCMUZMLRZ-UHFFFAOYSA-N 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical group CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 229910002026 crystalline silica Inorganic materials 0.000 description 1
- SPTHWAJJMLCAQF-UHFFFAOYSA-M ctk4f8481 Chemical compound [O-]O.CC(C)C1=CC=CC=C1C(C)C SPTHWAJJMLCAQF-UHFFFAOYSA-M 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 125000004386 diacrylate group Chemical group 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- KEIQPMUPONZJJH-UHFFFAOYSA-N dicyclohexylmethanediamine Chemical compound C1CCCCC1C(N)(N)C1CCCCC1 KEIQPMUPONZJJH-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- CBFCDTFDPHXCNY-UHFFFAOYSA-N icosane Chemical compound CCCCCCCCCCCCCCCCCCCC CBFCDTFDPHXCNY-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- QOHMWDJIBGVPIF-UHFFFAOYSA-N n',n'-diethylpropane-1,3-diamine Chemical compound CCN(CC)CCCN QOHMWDJIBGVPIF-UHFFFAOYSA-N 0.000 description 1
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 229940096992 potassium oleate Drugs 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000001502 supplementing effect Effects 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
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- 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
- C08L63/10—Epoxy resins modified by unsaturated compounds
-
- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
-
- 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
- C08G59/4021—Ureas; Thioureas; Guanidines; Dicyandiamides
-
- 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
- C08G59/68—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 catalysts used
- C08G59/686—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 catalysts used containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/10—Latex
-
- C—CHEMISTRY; METALLURGY
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/53—Core-shell polymer
Definitions
- the present invention relates to a curable resin composition that can be applied as a toughening agent in adhesives, particularly structural adhesives.
- Curable resins represented by epoxy resins are used in various fields such as electrical and electronic products, automobile parts, and building materials.
- the curable resin is used in combination with additives such as inorganic fillers, mold release agents, and rubber fine particles having rubber-like properties for the purpose of supplementing physical properties, processability, etc., rather than being used alone.
- additives such as inorganic fillers, mold release agents, and rubber fine particles having rubber-like properties for the purpose of supplementing physical properties, processability, etc., rather than being used alone.
- epoxy resins often exhibit brittle properties, and therefore, improvement in impact resistance and adhesive strength is required.
- the graft copolymer has a particle shape of a core-shell structure including a core containing a rubbery polymer and a shell formed by graft polymerization on the core.
- the epoxy resin composition to which the graft copolymer is applied is mainly used as a structural adhesive.
- the structural adhesive is three-dimensionally applied along the dispensing line, in order to improve workability, the thixotropic index, that is, thixotropy and resilience should be improved. It is important to secure
- the liquid dispersion method is a step-by-step solvent substitution in which water is replaced with a solvent and the solvent is replaced with an epoxy resin for the graft copolymer in a latex state in which the graft copolymer is dispersed in water.
- the graft copolymer is dispersed in an epoxy resin by a method.
- This liquid phase dispersion method has the advantage of dispersing the graft copolymer in a homogeneous distribution matrix of the epoxy resin, but in order to apply the graft copolymer to the epoxy resin as an impact modifier, the graft copolymer is kept in a latex state until dispersed.
- the powder phase dispersion method has the advantage of low process cost in that the dry powder aggregated from the graft copolymer latex, that is, the powder phase graft copolymer, is directly dispersed in the epoxy resin.
- the graft copolymer powder is directly introduced into the epoxy resin, the viscosity of the graft copolymer powder becomes very high, and it is practically difficult or impossible to disperse.
- Patent Document 1 JP 2006-104328 A
- the present invention has been made to solve the problems of the prior art, and an object of the present invention is to provide a curable resin composition excellent in thixotropy and resilience.
- an object of the present invention is to provide a curable resin composition having excellent thixotropy and resilience while applying a graft copolymer in the form of a powder.
- the present invention provides a curable resin composition.
- the present invention includes a continuous phase and a dispersed phase, the continuous phase includes a curable resin, and the dispersed phase includes a graft copolymer, and the 25 It provides a curable resin composition whose viscosity at °C is 500 Pa.s or more and 2,000 Pa.s or less.
- the present invention provides the curable resin composition according to 1) above, wherein the curable resin composition has a viscosity of 1,100 Pa.s or more and 2,000 Pa.s or less at 25 °C.
- the curable resin composition has a thixotropic index calculated by Equation 1 below of 1.5 to 2.5.
- Thixotropic [25 °C viscosity at 2.4 1/s (Pa.s)] / [25 °C viscosity at 24 1/s (pa.s)]
- the curable resin composition has a restoring force calculated by Equation 2 below when the shear rate is changed according to the following steps (1) to (3) A curable resin composition of 60% or more is provided.
- the present invention provides a curable resin composition according to any one of 1) to 4), wherein the curable resin composition includes 50% to 99% by weight of the continuous phase and 1% to 50% by weight of the dispersed phase. do.
- the present invention provides a curable resin composition according to any one of 1) to 5), wherein the curable resin is an epoxy resin.
- the graft copolymer comprises a core comprising a rubbery polymer; and a core-shell type graft copolymer including a shell formed by graft polymerization of the graft monomer on the rubbery polymer, wherein the graft copolymer includes a core at 72% to 83% by weight, wherein the core provides a curable resin composition having an average particle diameter of 250 nm or more.
- the present invention provides the curable resin composition according to 7) above, wherein the rubbery polymer includes at least one monomer unit selected from the group consisting of a conjugated diene-based monomer unit and an alkyl acrylate-based monomer unit.
- the graft monomer includes a methyl (meth)acrylate monomer, an alkyl (meth)acrylate monomer having 2 to 12 carbon atoms, and a crosslinkable monomer. Curability A resin composition is provided.
- the present invention provides the graft copolymer composition according to any one of 7) to 9), wherein the graft monomer further includes an aromatic vinyl monomer.
- the present invention according to any one of 7) to 10), wherein the graft copolymer comprises 75% by weight or more and 80% by weight or less of the core and 20% by weight or more and 25% by weight or less of the shell.
- a curable resin composition is provided.
- the present invention provides the curable resin composition according to any one of 7) to 11), wherein the core has an average particle diameter of 250 nm to 350 nm.
- the present invention provides the curable resin composition according to any one of 7) to 12), wherein the graft copolymer has a shell weight average molecular weight of 40,000 g/mol or less.
- the curable resin composition of the present invention has excellent thixotropy and resilience, as well as excellent productivity because the graft copolymer is applied in powder form, and mechanical properties such as impact resistance due to the graft copolymer dispersed in the curable resin composition. It has an excellent effect.
- FIG. 1 is a process diagram briefly illustrating a liquid phase dispersion method for dispersing a graft copolymer in an epoxy resin.
- FIG. 2 is a process diagram briefly illustrating a powder phase dispersion method for dispersing a graft copolymer into an epoxy resin.
- the term 'monomer unit' may represent a component, structure, or material itself derived from a monomer, and as a specific example, during polymerization of a polymer, the input monomer participates in the polymerization reaction to form a repeating unit in the polymer. it could mean
- composition' includes reaction products and decomposition products formed from the materials of the composition, as well as mixtures of materials containing the composition.
- the present invention provides a curable resin composition.
- the curable resin composition may include a graft copolymer as an impact modifier, and as a specific example, the graft copolymer may be dispersed in a powdery form.
- the curable resin composition includes a continuous phase and a dispersed phase
- the continuous phase includes a curable resin
- the dispersed phase includes a graft copolymer, and has a diameter of 25 mm using a cone plate viscometer.
- the viscosity at 25 ° C., measured using Plate PP25 of may be 500 Pa.s or more and 2,000 Pa.s or less.
- the curable resin composition may be a curable resin composition that can be applied as a toughening agent to an adhesive, particularly a structural adhesive, and at this time, the workability of the adhesive composition applied three-dimensionally along the dispensing line It is characterized in that the viscosity at 25 ° C. measured using Plate PP25 with a diameter of 25 mm as a cone plate type viscometer is 500 Pa.s or more and 2,000 Pa.s or less from the viewpoint of securing thixotropicity and resilience to improve.
- the curable resin composition has a viscosity at 25 ° C. of 500 Pa.s or more, 600 Pa.s or more, 700 Pa. s or more, 800 Pa.s or more, 900 Pa.s or more, 1,000 Pa.s or more, 1,100 Pa.s or more, 1,200 Pa.s or more, 1,300 Pa.s or more, or 1,400 Pa.s or more, and , 2,000 Pa.s or less, 1,900 Pa.s or less, 1,800 Pa.s or less, 1,700 Pa.s or less, 1,600 Pa.s or less, 1,500 Pa.s or less, or 1,400 Pa.s or less, within this range It is possible to secure both thixotropic and restoring force at the same time. In particular, when the viscosity is lower than the above range, the thixotropy is lowered, and when the viscosity is higher than the above range, there is a problem that the restoring force is lowered.
- the curable resin composition may have a Thixotropic Index of 1.5 to 2.5 calculated by Equation 1 below.
- the thixotropy calculated by Equation 1 below may be 1.5 or more, 1.6 or more, 1.7 or more, 1.8 or more, or 1.9 or more. It may be 2.5 or less, 2.4 or less, 2.3 or less, 2.2 or less, 2.1 or less, or 2.0 or less, and when the adhesive composition is three-dimensionally applied along the dispensing line within this range, the adhesive composition is applied in a thin state. Even if it becomes smooth, the adhesive composition may not flow down in the state of being applied to the adherend.
- Thixotropic [25 °C viscosity at 2.4 1/s (Pa.s)] / [25 °C viscosity at 24 1/s (pa.s)]
- the curable resin composition may have a restoring force calculated by Equation 2 below of 60% or more when the shear rate is changed according to the following steps (1) to (3).
- the resilience calculated by Equation 2 below is 60% or more, 61% or more, 62% or more, 63% or more, 64% or more, 65% or more, 66% or more, 67% or more, 68% or more, 69% or more 70% or more, 71% or more, 72% or more, 73% or more, 74% or more, 75% or more, 76% or more, 77% or more, 78% or more, or 79% or more, and also 100% or less , 90% or less, 80% or less, 75% or less, 70% or less, or 65% or less, and within this range, it is possible to sufficiently secure the workability of the adhesive composition applied three-dimensionally along the dispensing line. .
- the curable resin composition may include a continuous phase and a dispersed phase, the continuous phase may include a curable resin, and the dispersed phase may include the graft copolymer.
- the curable resin composition may contain 50 wt% to 99 wt%, 50 wt% to 80 wt%, or 50 wt% to 70 wt% of the continuous phase; and 1 wt % to 50 wt %, 20 wt % to 50 wt %, or 30 wt % to 50 wt % of the dispersed phase.
- the curable resin may be a thermosetting resin or a photocurable resin, and as a specific example, one or more selected from the group consisting of an epoxy resin, a phenol resin, an unsaturated polyester resin, a melamine resin, and a urea resin. And, a more specific example may be an epoxy resin.
- the epoxy resin may include at least two or more epoxy bonds, and specific examples include bisphenol A type epoxy resin, bisphenol F type epoxy resin, bisphenol AD type epoxy resin, and bisphenol E type epoxy resin. At least one selected from the group consisting of a resin, a naphthalene type epoxy resin, a biphenyl type epoxy resin, a dicyclopentadiene type epoxy resin, a phenol novolak type epoxy resin, an aliphatic cyclic epoxy resin, and a glycidyl amine type epoxy resin. there is.
- the graft copolymer serves as an impact modifier for the curable resin composition, and includes a core including a rubbery polymer; and a core-shell type graft copolymer including a shell formed by graft polymerization of the graft monomer on the rubbery polymer, wherein the graft copolymer includes a core at 72% to 83% by weight, wherein the core may have an average particle diameter of 250 nm or more, and in this case, the graft copolymer may have improved powder dispersibility in a curable resin such as an epoxy resin, and may be dispersed in the curable resin composition by a powder phase dispersion method.
- a curable resin such as an epoxy resin
- the core in the core-shell graft copolymer, may mean the core of the graft copolymer or the rubbery polymer component itself forming the core layer, and the shell is the rubbery It may mean a polymer component or copolymer component that is graft-polymerized to a polymer and forms a shell or shell layer in the form of a shell surrounding the core. That is, the core including the rubbery polymer may be the rubbery polymer itself, and the shell may mean a graft layer formed by graft polymerization of a graft monomer to the rubbery polymer.
- the rubbery polymer is a component for imparting impact resistance when the graft copolymer is applied as an impact modifier, and is selected from the group consisting of a conjugated diene-based monomer unit and an alkyl acrylate-based monomer unit. It may contain one or more selected monomeric units.
- the rubbery polymer may be a conjugated diene-based rubbery polymer or an acrylic rubbery polymer.
- the conjugated diene-based rubber polymer may be at least one selected from the group consisting of a homopolymer of a conjugated diene-based monomer and a copolymer of an aromatic vinyl-based monomer-conjugated diene-based monomer, and the acrylic rubber polymer may be an alkyl acrylate. It may be a homopolymer of based monomers.
- the conjugated diene-based monomer of the rubbery polymer is 1,3-butadiene, 2,3-dimethyl-1,3-butadiene, piperylene, 3-butyl-1,3-octadiene, It may be at least one selected from the group consisting of isoprene and 2-phenyl-1,3-butadiene, and may be 1,3-butadiene as a specific example.
- the aromatic vinyl monomer of the rubbery polymer is styrene, ⁇ -methylstyrene, 3-methylstyrene, 4-methylstyrene, 4-propylstyrene, 1-vinylnaphthalene, 4-cyclohexylstyrene , 4-(p-methylphenyl)styrene, and 1-vinyl-5-hexylnaphthalene, and may be at least one selected from the group consisting of, and may be styrene as a specific example.
- the alkyl acrylate-based monomer of the rubbery polymer may be an alkyl acrylate-based monomer having 1 to 12 carbon atoms, and specific examples include methyl acrylate, ethyl acrylate, propyl acrylate and n- It may be at least one selected from the group consisting of butyl acrylate, and as a more specific example, n-butyl acrylate.
- the shell is a component for improving compatibility and mechanical properties when the graft copolymer is applied as an impact modifier, and as described above, the graft monomer is added to the rubbery polymer It may be a graft layer formed by graft polymerization.
- the graft monomer graft-polymerized to the rubbery polymer to form the shell may include an alkyl (meth)acrylate-based monomer.
- the alkyl (meth)acrylate-based monomer of the graft monomer may be an alkyl (meth)acrylate-based monomer having 1 to 12 carbon atoms, and specific examples include methyl methacrylate and ethyl methacrylate. It may be at least one selected from the group consisting of acrylate, propyl methacrylate, n-butyl methacrylate, methyl acrylate, ethyl acrylate, propyl acrylate and n-butyl acrylate.
- the alkyl (meth)acrylate-based monomers of the graft monomer may be two or more monomers selected from the group consisting of alkyl (meth)acrylate-based monomers having 1 to 12 carbon atoms, and specific For example, it may be at least two selected from the group consisting of methyl methacrylate, ethyl methacrylate, propyl methacrylate, n-butyl methacrylate, methyl acrylate, ethyl acrylate, propyl acrylate and n-butyl acrylate there is.
- the alkyl (meth) acrylate-based monomer of the graft monomer is a methyl (meth) acrylate monomer; and an alkyl (meth)acrylate-based monomer having 2 to 12 carbon atoms, in which case the weight average molecular weight of the shell can be further lowered, thereby minimizing swelling of the shell when the graft copolymer is dispersed in the curable resin. By doing so, it is possible to prevent an increase in viscosity.
- the alkyl (meth) acrylate monomer is methyl (meth) acrylate monomer 50% to 99% by weight, 60% to 90% by weight, or 70% to 85% by weight; and 1 wt% to 50 wt%, 10 wt% to 40 wt%, and 15 wt% to 30 wt% of an alkyl (meth)acrylate-based monomer having 2 to 12 carbon atoms.
- the graft monomer may further include a crosslinkable monomer in addition to the alkyl (meth)acrylate-based monomer. That is, the graft monomer may include a methyl (meth)acrylate monomer, an alkyl (meth)acrylate-based monomer having 2 to 12 carbon atoms, and a crosslinkable monomer.
- the crosslinkable monomer is to improve the shell formation ability by crosslinking when forming a shell by the graft monomer, and to further improve the compatibility and mechanical properties of the shell, Ethylene glycol di(meth)acrylate, polyethylene glycol di(meth)acrylate, 1,6-hexanediol di(meth)acrylate, allyl (meth)acrylate, trimethylolpropane tri(meth)acrylate and pentaeryth (meth)acrylic crosslinkable monomers such as litol tetra(meth)acrylate; and at least one selected from vinyl-based crosslinkable monomers such as divinylbenzene, divinylnaphthalene, and diallylphthalate, and specific examples thereof may include polyethylene glycol diacrylate or allyl methacrylate.
- Ethylene glycol di(meth)acrylate polyethylene glycol di(meth)acrylate, 1,6-hexanediol di(meth)acrylate,
- the graft monomer may further include an aromatic vinyl-based monomer. That is, the graft monomer may include a methyl (meth)acrylate monomer, an alkyl (meth)acrylate monomer having 2 to 12 carbon atoms, and an aromatic vinyl monomer.
- the aromatic vinyl monomer of the graft monomer is styrene, ⁇ -methylstyrene, 3-methylstyrene, 4-methylstyrene, 4-propylstyrene, 1-vinylnaphthalene, 4-cyclohexyl It may be at least one selected from the group consisting of styrene, 4-(p-methylphenyl)styrene, and 1-vinyl-5-hexylnaphthalene, and may be styrene as a specific example.
- the aromatic vinyl monomer when the graft monomer further includes an aromatic vinyl monomer, is 0.1% to 10.0% by weight, 0.5% to 0.5% by weight, based on the total amount of the graft monomer. 5.0% by weight, or 0.8% to 2.0% by weight.
- the graft copolymer according to the present invention it is important to control the content of the core and the average particle diameter of the core in the graft copolymer in order to enable dispersion in the curable resin composition by the powdery dispersion method, and furthermore, the weight of the shell It is also desirable to control the average molecular weight.
- the graft copolymer may include 72% to 83% by weight of the core, and specific examples include 75% to 83% by weight, or 75% to 80% by weight. Accordingly, the graft copolymer may include 17% to 28% by weight, 17% to 25% by weight, or 20% to 25% by weight of the shell, within this range.
- compatibility between the curable resin and the graft copolymer is sufficiently secured, while swelling of the shell is minimized, thereby preventing an increase in viscosity.
- the graft copolymer contains the core at a lower content than the above range, the content of the shell in the graft copolymer is inevitably increased, and accordingly, the shell having a high affinity for the curable resin swells to increase the viscosity. There is a problem that the dispersibility is lowered by increasing.
- the graft copolymer contains the core in an amount higher than the above range, the compatibility between the curable resin and the graft copolymer is rapidly reduced, and the increase in viscosity due to swelling of the shell can be prevented, but the actual There is a problem that dispersion is not achieved with .
- the contents of each of the core and the shell may be derived from the content ratio of the rubbery polymer and the graft monomer introduced during the preparation of the graft copolymer.
- the core may have an average particle diameter of 250 nm or more, and as a specific example, an average particle diameter of 250 nm to 400 nm, or 250 nm to 350 nm, within this range, the curable resin When the graft copolymer is dispersed in, an increase in viscosity can be prevented.
- the average particle diameter of the core is less than 250 nm, the average particle diameter of the graft copolymer is inevitably reduced as long as the average particle diameter of the graft copolymer is not increased by the shell.
- the average particle diameter of the graft copolymer is not sufficiently large, there is a problem in that dispersibility decreases due to an increase in viscosity due to aggregation between small particles.
- the shell may have a weight average molecular weight of 40,000 g / mol or less, and in specific examples, a weight average molecular weight of 15,000 g / mol or more, 17,000 g / mol or more, 30,000 g / mol or more, 32,000 g / mol or more It may be g / mol or more, 39,000 g / mol or less, 36,000 g / mol or less, 35,000 g / mol or less, or 33,000 g / mol or less, and when the graft copolymer is dispersed in the curable resin within this range, the curable resin It is possible to prevent an increase in viscosity by minimizing swelling of the shell while sufficiently securing compatibility between the graft copolymer and the graft copolymer.
- the weight average molecular weight of the shell can be controlled by controlling the input amount of the initiator and activator when the graft monomer is graft-polymerized in the presence of the rubbery polymer.
- the graft copolymer may have an average particle diameter of 250 nm to 500 nm, 250 nm to 450 nm, or 250 nm to 400 nm, and is grafted to the curable resin within this range.
- an increase in viscosity can be prevented.
- the graft copolymer may be prepared according to the graft copolymer manufacturing method described below.
- the method for preparing the graft copolymer includes preparing a rubbery polymer latex including a rubbery polymer having an average particle diameter of 250 nm or more (S1); In the presence of 72% to 83% by weight (based on solid content) of the rubbery polymer latex, a graft monomer is introduced and graft polymerization is performed to prepare a graft copolymer latex containing a graft copolymer in a core-shell type. (S2) may be included.
- the type and content of monomers used in each step may be the same as those of the graft copolymer described above.
- the step (S1) is a step for preparing a rubbery polymer forming a core or a core layer in a core-shell graft copolymer, and the average particle diameter of the rubbery polymer particles is 250 It is characterized in that it is prepared by adjusting to nm or more, and the step (S2) is a step for graft polymerization to the rubbery polymer to form a shell or shell layer in the form of a shell surrounding the core, the weight average molecular weight of the shell It is characterized in that it is prepared by adjusting to 40,000 g / mol or less.
- the steps (S1) and (S2) may be carried out by emulsion polymerization, respectively, and the emulsifier and initiator, electrolyte, molecular weight regulator, activator, etc. can be performed in the presence of
- the average particle diameter of the rubbery polymer particles can be adjusted by the input amount of the emulsifier
- the weight average molecular weight of the shell is the initiator and/or Alternatively, it can be controlled by adjusting the input amount of the activator or by continuously adding the graft monomer.
- the emulsifier may be at least one selected from the group consisting of fatty acid-based emulsifiers and rosin acid-based emulsifiers, and in this case, latex stability is excellent.
- the input amount of the emulsifier in step (S1) is 0.1 to 3.4 parts by weight, 1.0 to 3.3 parts by weight, 1.5 parts by weight, based on 100 parts by weight of the monomer for polymerizing the rubbery polymer. It may be part to 3.2 parts by weight, 2.0 parts by weight to 3.2 parts by weight, or 2.1 parts by weight to 3.1 parts by weight, and within this range, the average particle diameter of the rubbery polymer particles may be adjusted to 250 nm or more.
- the input amount of the emulsifier in step (S2) is 0.1 part by weight to 1.0 part by weight, 0.1 part by weight based on 100 parts by weight of the total of rubber polymer and monomers for polymerizing the graft copolymer. to 0.5 parts by weight, or 0.1 parts by weight to 0.3 parts by weight, and within this range, there is an effect of excellent latex stability.
- the step (S1) may be carried out using a water-soluble initiator that can be used in emulsion polymerization, and the water-soluble initiator may be potassium persulfate, sodium persulfate, ammonium persulfate, etc. .
- the step (S2) may be carried out by radical polymerization using a peroxide-based, redox, or azo-based initiator that can be used during emulsion polymerization, and the redox initiator is, for example, t-butyl hydro It may be at least one selected from the group consisting of peroxide, diisopropylbenzene hydroperoxide and cumene hydroperoxide, and in this case, there is an effect of providing a stable polymerization environment.
- a peroxide-based, redox, or azo-based initiator that can be used during emulsion polymerization
- the redox initiator is, for example, t-butyl hydro It may be at least one selected from the group consisting of peroxide, diisopropylbenzene hydroperoxide and cumene hydroperoxide, and in this case, there is an effect of providing a stable polymerization environment.
- ferrous sulfide, sodium ethylenediamine tetraacetate, and sodium formaldehyde sulfoxylate may be further included as the redox catalyst as an activator, and the redox initiator and the redox catalyst are added By adjusting the content, the weight average molecular weight of the shell can be adjusted to 40,000 g / mol or less.
- the step (S2) may be performed by continuously introducing the graft monomer.
- the graft monomers when the graft monomers are added at once before the graft polymerization reaction starts, a problem of increasing the weight average molecular weight of the shell may occur.
- the emulsion polymerization of the steps (S1) and (S2) may be carried out in an aqueous solvent, and the aqueous solvent may be ion-exchanged water.
- the method for preparing the graft copolymer may include a step (S3) of coagulating and drying the graft copolymer latex prepared in the step (S2) to obtain a powdery form. there is.
- the curable resin composition may further include a curing agent in addition to the curable resin and the graft copolymer.
- the curing agent may be at least one selected from the group consisting of an acid anhydride curing agent, an amine-based curing agent, and a phenol-based curing agent.
- the acid anhydride curing agent is phthalic anhydride, methyltetrahydrophthalic anhydride, methylhexahydrophthalic anhydride, hexahydrophthalic anhydride, tetrahydrophthalic anhydride, trialkyl tetrahydrophthalic anhydride, methylhymic acid anhydride , methyl cyclohexene dicarboxylic anhydride, trimellitic anhydride, pyromellitic anhydride, benzophenonetetracarboxylic anhydride, ethylene glycol bis trimellitate, glycerol tris trimellitate, dodecenyl succinic anhydride, polyazelaic anhydride and poly(ethyl octadecane diacid) may be at least one selected from the group consisting of anhydride.
- the amine-based curing agent is 2,5 (2,6) -bis (aminomethyl) bicyclo [2,2,1] heptane, isophoronediamine, ethylenediamine, diethylenetriamine , triethylenetetramine, tetraethylenepentamine, diethyl aminopropyl amine, bis(4-amino-3-methyldicyclohexyl)methane, diaminodicyclohexylmethane, bis(aminomethyl)cyclohexane, metaphenylene Diamine, diaminodiphenylmethane, diaminodiphenylsulfone, diaminodiethyl diphenylmethane, diethyl toluenediamine, 3,3'-diaminodiphenylsulfone (3,3'-DDS), 4,4' -Diaminodiphenylsulfone (4,4'-DDS), diamino
- the phenol-based curing agent may be at least one selected from the group consisting of phenol novolac resin, cresol novolak resin, bisphenol A, bisphenol F, bisphenol AD, and derivatives of diallylated bisphenols. there is.
- the curable resin composition may further include an additive in addition to the curable resin and the graft copolymer.
- the additive may include release agents such as silicone oil, natural wax, and synthetic wax; powders such as crystalline silica, fused silica, calcium silicate, and alumina; fibers such as glass fibers and carbon fibers; flame retardants such as antimony trioxide; halogen trap agents such as hydrotalcite and rare earth oxides; colorants such as carbon black and red iron oxide; and a silane coupling agent.
- the curable resin composition may be prepared according to the curable resin composition manufacturing method described below.
- the method for preparing the curable resin composition includes preparing a graft copolymer latex containing the graft copolymer (S10); preparing a graft copolymer powder by coagulating and drying the graft copolymer latex prepared in step (S10) (S20); And a step (S30) of preparing a curable resin composition by mixing the curable resin and the graft copolymer powder prepared in the step (S20), wherein the step (S30) may be carried out by dispersion using a stirrer there is.
- the step (S10) may be performed by the graft copolymer manufacturing method described above in the step of preparing the graft copolymer.
- the step (S20) is a step for obtaining the graft copolymer prepared in the step (S10) in powder form, the graft copolymer latex prepared in the step (S10) It can be carried out by aggregating and drying.
- the aggregation in step (S20) may be performed by adding a coagulant to the graft copolymer latex.
- the aggregation in step (S20) may be performed by acid aggregation such as aqueous sulfuric acid solution or salt aggregation such as sodium chloride or sodium sulfate, and both acid aggregation and salt aggregation may be performed if necessary.
- the acid aggregation and the salt aggregation may be performed simultaneously or stepwise, and when the aggregation is performed in stages, the acid aggregation is performed first and then the salt aggregation is performed, or the salt aggregation is performed first and then the acid aggregation is performed. can be carried out.
- the agglomeration of step (S20) may be carried out in the presence of an organic dispersant, if necessary.
- the drying in step (S20) may be carried out by a conventional drying method, and if necessary, prior to drying, the step of dehydrating the aggregated graft copolymer latex may be further included.
- the curable resin and the graft copolymer are mixed by the powder phase dispersion method as described above As a step, it may be carried out by adding graft copolymer powder to the curable resin and mixing.
- the graft copolymer according to the present invention has excellent powder dispersibility and can be directly dispersed in a curable resin in powder form.
- the viscosity of the curable resin composition prepared in step (S30) is 2,500 Pa.s or less, 2,000 Pa.s or less, 100 Pa.s to 2,000 Pa.s, 500 Pa.s to 1,800 Pa.s at 25 ° C. s, or 1,000 Pa.s to 1,600 Pa.s, and within this range, the graft copolymer powder has low viscosity and excellent dispersibility.
- the present invention provides an adhesive composition comprising the curable resin composition.
- the adhesive composition may include the curable resin composition as a toughening agent.
- the adhesive composition may include a subject that can be used in adhesives, a urethane resin, a curing agent, a curing accelerator, and a filler in addition to the toughening agent.
- the polymerization conversion rate was calculated as a ratio of the solid content weight of the obtained rubbery polymer to the solid content weight of the input monomers.
- the prepared rubbery polymer latex was 80% based on solid content 200 parts by weight of ion-exchanged water, 0.2 parts by weight of potassium salt of oleic acid, 0.036 parts by weight of ferrous sulfide, 0.2 parts by weight of sodium ethylenediamine tetraacetate, 0.2 parts by weight of sodium formaldehyde sulfoxylate, and t-butyl 0.4 parts by weight of hydroperoxide was added at once.
- the polymerization conversion rate was calculated as a ratio of the solid content weight of the obtained graft copolymer to the solid content weight of the rubbery polymer and monomers introduced.
- a graft copolymer powder was prepared.
- Preparation Example 1 when preparing the rubbery polymer latex, 1.7 parts by weight of potassium rosin acid salt instead of 1.4 parts by weight and 0.7 parts by weight of potassium oleic acid salt instead of 0.6 parts by weight were added in the same manner as in Preparation Example 1. conducted. At this time, the average particle diameter of the prepared rubbery polymer particles was 255 nm, and the average particle diameter of the graft copolymer particles was 264 nm.
- Preparation Example 1 when preparing the rubbery polymer latex, 1.0 parts by weight of potassium rosin acid salt instead of 1.4 parts by weight and 0.4 parts by weight of potassium oleic acid salt instead of 0.6 parts by weight were added in the same manner as in Preparation Example 1. conducted. At this time, the average particle diameter of the prepared rubbery polymer particles was 338 nm, and the average particle diameter of the graft copolymer particles was 374 nm.
- an epoxy resin composition in which the graft copolymer was dispersed in a curable resin composition was prepared in the following manner.
- Example 1 the graft copolymer powder prepared in Preparation Example 2 was carried out in the same manner as in Example 1, except that the graft copolymer powder prepared in Preparation Example 2 was added in the same amount instead of the graft copolymer powder prepared in Preparation Example 1.
- An epoxy resin composition in which the white copolymer is dispersed was prepared.
- Example 1 the graft copolymer powder prepared in Preparation Example 3 was carried out in the same manner as in Example 1, except that the graft copolymer powder prepared in Preparation Example 3 was added in the same amount instead of the graft copolymer powder prepared in Preparation Example 1.
- An epoxy resin composition in which the white copolymer is dispersed was prepared.
- Example 1 the graft copolymer powder prepared in Preparation Example 4 was carried out in the same manner as in Example 1, except that the graft copolymer powder prepared in Preparation Example 4 was added in the same amount instead of the graft copolymer powder prepared in Preparation Example 1.
- An epoxy resin composition in which the white copolymer is dispersed was prepared.
- Example 1 the graft copolymer powder prepared in Preparation Example 5 was carried out in the same manner as in Example 1, except that the graft copolymer powder prepared in Preparation Example 5 was added in the same amount instead of the graft copolymer powder prepared in Preparation Example 1.
- An epoxy resin composition in which the white copolymer is dispersed was prepared.
- Example 1 the epoxy resin (Kukdo Chemical Co., Ltd., YD-128) was added at 60 parts by weight instead of 63 parts by weight, and the graft copolymer powder prepared in Preparation Example 1 was added at 40 parts by weight instead of 37 parts by weight An epoxy resin composition in which the graft copolymer was dispersed was prepared in the same manner as in Example 1 except for the above.
- Example 1 the epoxy resin (Kukdo Chemical Co., Ltd., YD-128) was added at 77 parts by weight instead of 63 parts by weight, and the graft copolymer powder prepared in Preparation Example 1 was replaced with 37 parts by weight of the graft prepared in Preparation Example 6
- An epoxy resin composition in which the graft copolymer was dispersed was prepared in the same manner as in Example 1, except that 23 parts by weight of the graft copolymer powder was added.
- Example 1 the epoxy resin (Kukdo Chemical Co., Ltd., YD-128) was added at 75 parts by weight instead of 63 parts by weight, and the graft copolymer powder prepared in Preparation Example 1 was replaced with 37 parts by weight of the graft prepared in Preparation Example 6
- An epoxy resin composition in which the graft copolymer was dispersed was prepared in the same manner as in Example 1, except that 25 parts by weight of the graft copolymer powder was added.
- Example 1 the epoxy resin (Kukdo Chemical Co., Ltd., YD-128) was added at 65 parts by weight instead of 63 parts by weight, and the graft copolymer powder prepared in Preparation Example 1 was replaced with 37 parts by weight of the graft prepared in Preparation Example 6
- An epoxy resin composition in which the graft copolymer was dispersed was prepared in the same manner as in Example 1, except that 35 parts by weight of the graft copolymer powder was added.
- Example 1 the epoxy resin (Kukdo Chemical Co., Ltd., YD-128) was added at 60 parts by weight instead of 63 parts by weight, and the graft copolymer powder prepared in Preparation Example 1 was replaced with 37 parts by weight of the graft prepared in Preparation Example 6
- An epoxy resin composition in which the graft copolymer was dispersed was prepared in the same manner as in Example 1, except that 40 parts by weight of the graft copolymer powder was added.
- Example 1 the epoxy resin (Kukdo Chemical Co., Ltd., YD-128) was added at 55 parts by weight instead of 63 parts by weight, and the graft copolymer powder prepared in Preparation Example 1 was replaced with 37 parts by weight of the graft prepared in Preparation Example 6
- An epoxy resin composition in which the graft copolymer was dispersed was prepared in the same manner as in Example 1, except that 45 parts by weight of the graft copolymer powder was added.
- the average particle diameter of the core and the graft copolymer and the weight average molecular weight of the shell were measured in the following manner, and the content of each component and the graft When preparing the copolymer, it is shown in Table 1 below along with the input method of the graft monomer.
- Weight average molecular weight of the shell (g / mol): The weight average molecular weight of the shell among the obtained core-shell graft copolymers was determined by gel permeation chromatography (GPC: gel permeation chromatography, PL GPC220, Agilent Technologies) was measured under the conditions of
- the sample took a portion of the graft copolymer solution dispersed in tetrahydrofuran, separated the precipitate with a centrifug, took the supernatant, filtered it with a 0.45 ⁇ m PTFE syringe filter, and used it as a sample solution.
- the graft copolymer standard was 30.0 mg/mL, linear polymer was sampled at a concentration of 1.5 mg/mL.
- the graft copolymers prepared in Preparation Examples 1 to 6 each contain the same content of core and shell, but the average particle diameter of the core and graft copolymer and the weight average molecular weight of the shell are different. could be seen appearing.
- Viscosity at 25 °C Viscosity at 25 °C using a cone plate type viscometer (Anton Paar Co., MCR302) with respect to the above-prepared epoxy resin composition, using a Plate PP25 spindle with a diameter of 25 mm was measured, and the viscosity values at a shear rate of 2.4 1/s and 100 s were shown.
- Thixotropic [25 °C viscosity at 2.4 1/s (Pa.s)] / [25 °C viscosity at 24 1/s (pa.s)].
- Resilience [(25 °C viscosity (Pa.s) measured in (3)) / (25 °C viscosity (Pa.s) measured in (1))] X 100.
- the curable resin composition according to the embodiment of the present invention had excellent restoring force while exhibiting an appropriate level of thixotropy by satisfying the viscosity range.
- the curable resin composition should be capable of adjusting the viscosity, thixotropy and restoring force as described above while applying the graft copolymer in a powder form as in the present invention.
- the content of the core of the graft copolymer, the average particle diameter and the weight average molecular weight of the shell, etc. need to be controlled, and even if the content and average particle diameter of the core are similar to those of the examples, even if the content of the graft copolymer in the curable resin composition is adjusted when the weight average molecular weight of the shell is high, the viscosity, thixotropy and resilience of the present invention It can be confirmed in Examples 1 to 6 and Comparative Examples 1 to 5 that it cannot be adjusted within the range limited by. That is, the viscosity, thixotropy and restoring force of the curable resin composition of the present invention can be achieved by adjusting the graft copolymer applied in powder form.
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Abstract
Description
구분 | 제조예 | |||||||
1 | 2 | 3 | 4 | 5 | 6 | |||
코어 | 고무질 중합체 | (중량부) | 80 | 80 | 80 | 80 | 80 | 80 |
평균 입경 | (nm) | 300 | 255 | 338 | 300 | 300 | 300 | |
쉘 | 메틸 메타크릴레이트 | (중량부) | 16 | 16 | 16 | 16 | 16 | 16 |
n-부틸 아크릴레이트 | (중량부) | 3 | 3 | 3 | 3 | 3 | 3 | |
스티렌 | (중량부) | 1 | 1 | 1 | 1 | 1 | 1 | |
그라프트 단량체 투입 방법 | 연속 | 연속 | 연속 | 연속 | 연속 | 연속 | ||
중량평균 분자량 | (g/mol) | 34,100 | 32,800 | 35,100 | 17,400 | 38,700 | 43,200 | |
그라프트 공중합체 | 평균 입경 | (nm) | 318 | 264 | 374 | 320 | 325 | 321 |
구분 | 실시예 | ||||||
1 | 2 | 3 | 4 | 5 | 6 | ||
25 ℃ 점도 | (Pa.s) | 866 | 1,489 | 955 | 519 | 1,326 | 1,968 |
칙소성 | 1.9 | 2.0 | 2.2 | 1.6 | 1.9 | 2.1 | |
복원력 | (%) | 75 | 61 | 72 | 73 | 79 | 78 |
구분 | 비교예 | |||||
1 | 2 | 3 | 4 | 5 | ||
25 ℃ 점도 | (Pa.s) | 392 | 461 | 2,950 | 3,162 | 6,160 |
칙소성 | 1.0 | 1.2 | 2.4 | 5.3 | 8.4 | |
복원력 | (%) | 88 | 92 | 48 | 40 | 30 |
구분 | 실시예 | ||||||
1 | 2 | 3 | 4 | 5 | 6 | ||
25 ℃ 점도 | (Pa.s) | 373 | 686 | 434 | 268 | 509 | 582 |
칙소성 | 1.7 | 1.5 | 1.5 | 1.8 | 1.6 | 1.7 | |
복원력 | (%) | 72 | 74 | 86 | 69 | 73 | 75 |
구분 | 비교예 | |||||
1 | 2 | 3 | 4 | 5 | ||
25 ℃ 점도 | (Pa.s) | 353 | 443 | 492 | 474 | 466 |
칙소성 | 1.2 | 1.3 | 1.4 | 1.4 | 1.4 | |
복원력 | (%) | 71 | 73 | 74 | 66 | 53 |
Claims (13)
- 연속상 및 분산상을 포함하고,상기 연속상은 경화성 수지를 포함하며,상기 분산상은 그라프트 공중합체를 포함하고,콘 플레이트형 점도계로 직경 25 mm의 Plate PP25를 사용하여 측정한 25 ℃의 점도가 500 Pa.s 이상 2,000 Pa.s 이하인 것인 경화성 수지 조성물.
- 제1항에 있어서,상기 경화성 수지 조성물은 25 ℃의 점도가 1,100 Pa.s 이상 2,000 Pa.s 이하인 것인 경화성 수지 조성물.
- 제1항에 있어서,상기 경화성 수지 조성물은 하기 수학식 1로 계산된 칙소성(Thixotropic Index)이 1.5 내지 2.5인 경화성 수지 조성물:[수학식 1]칙소성 = [2.4 1/s에서의 25 ℃ 점도(Pa.s)] / [24 1/s에서의 25 ℃ 점도(pa.s)].
- 제1항에 있어서,상기 경화성 수지 조성물은 하기 단계 (1) 내지 (3)에 따라 전단 속도에 변화를 주었을 때, 하기 수학식 2로 계산된 복원력이 60 % 이상인 경화성 수지 조성물:(1) 25 ℃에서 2.4 1/s의 전단 속도,(2) 25 ℃에서 24 1/s의 전단 속도,(3) 25 ℃에서 2.4 1/s의 전단 속도,[수학식 2]복원력 = [((3)에서 측정된 25 ℃ 점도(Pa.s)) / ((1)에서 측정된 25 ℃ 점도(Pa.s))] X 100.
- 제1항에 있어서,상기 경화성 수지 조성물은 연속상 50 중량% 내지 99 중량% 및 분산상 1 중량% 내지 50 중량%를 포함하는 것인 경화성 수지 조성물.
- 제1항에 있어서,상기 경화성 수지는 에폭시 수지인 것인 경화성 수지 조성물.
- 제1항에 있어서,상기 그라프트 공중합체는 고무질 중합체를 포함하는 코어; 및 상기 고무질 중합체에 그라프트 단량체가 그라프트 중합되어 형성된 쉘을 포함하는 코어-쉘 형태의 그라프트 공중합체이고,상기 그라프트 공중합체는 코어를 72 중량% 내지 83 중량%로 포함하며,상기 코어는 평균 입경이 250 nm 이상인 것인 경화성 수지 조성물.
- 제7항에 있어서,상기 고무질 중합체는 공액디엔계 단량체 단위 및 알킬 아크릴레이트계 단량체 단위로 이루어진 군으로부터 선택된 1종 이상의 단량체 단위를 포함하는 것인 경화성 수지 조성물.
- 제7항에 있어서,상기 그라프트 단량체는 메틸 (메트)아크릴레이트 단량체, 탄소수 2 내지 12의 알킬 (메트)아크릴레이트계 단량체 및 가교성 단량체를 포함하는 것인 경화성 수지 조성물.
- 제7항에 있어서,상기 그라프트 단량체는 방향족 비닐계 단량체를 더 포함하는 것인 그라프트 공중합체 조성물.
- 제7항에 있어서,상기 그라프트 공중합체는 코어를 75 중량% 이상 내지 80 중량% 이하, 쉘을 20 중량% 이상 25 중량% 이하로 포함하는 것인 경화성 수지 조성물.
- 제7항에 있어서,상기 코어는 평균 입경이 250 nm 내지 350 nm인 것인 경화성 수지 조성물.
- 제7항에 있어서,상기 그라프트 공중합체는 쉘의 중량평균 분자량이 40,000 g/mol 이하인 것인 경화성 수지 조성물.
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JP2023566701A JP2024515381A (ja) | 2021-08-13 | 2022-08-12 | 硬化性樹脂組成物 |
CN202280023404.5A CN117043268A (zh) | 2021-08-13 | 2022-08-12 | 可固化树脂组合物 |
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- 2022-08-12 WO PCT/KR2022/012076 patent/WO2023018274A1/ko active Application Filing
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