WO2022209495A1 - 化合物、樹脂組成物、樹脂シート、樹脂硬化物および積層基板 - Google Patents
化合物、樹脂組成物、樹脂シート、樹脂硬化物および積層基板 Download PDFInfo
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- WO2022209495A1 WO2022209495A1 PCT/JP2022/008037 JP2022008037W WO2022209495A1 WO 2022209495 A1 WO2022209495 A1 WO 2022209495A1 JP 2022008037 W JP2022008037 W JP 2022008037W WO 2022209495 A1 WO2022209495 A1 WO 2022209495A1
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- aromatic ring
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 340
- 229920005989 resin Polymers 0.000 title claims description 104
- 239000011347 resin Substances 0.000 title claims description 104
- 239000011342 resin composition Substances 0.000 title claims description 79
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- 125000003118 aryl group Chemical group 0.000 claims abstract description 386
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- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 46
- 239000001301 oxygen Substances 0.000 claims abstract description 46
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims abstract description 45
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- 229910052799 carbon Inorganic materials 0.000 claims abstract description 27
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 23
- 125000003368 amide group Chemical group 0.000 claims abstract description 16
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 15
- 125000003277 amino group Chemical group 0.000 claims abstract description 14
- 125000001424 substituent group Chemical group 0.000 claims description 62
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 42
- 229910052739 hydrogen Inorganic materials 0.000 claims description 36
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- 150000002431 hydrogen Chemical class 0.000 claims description 30
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- 125000005843 halogen group Chemical group 0.000 claims description 29
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- 125000004093 cyano group Chemical group *C#N 0.000 claims description 28
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- 239000003795 chemical substances by application Substances 0.000 claims description 15
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical group C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- IERSPCAGKAOLSQ-UHFFFAOYSA-M magnesium;2-methanidyl-1,3-dioxolane;bromide Chemical compound [Mg+2].[Br-].[CH2-]C1OCCO1 IERSPCAGKAOLSQ-UHFFFAOYSA-M 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- ZTDXOVAPGGNGSD-UHFFFAOYSA-N methyl 2-bromo-4-(bromomethyl)benzoate Chemical compound COC(=O)C1=CC=C(CBr)C=C1Br ZTDXOVAPGGNGSD-UHFFFAOYSA-N 0.000 description 2
- DKTXXBLWUUYFNL-UHFFFAOYSA-N methyl 4-(bromomethyl)-2,3-difluorobenzoate Chemical compound COC(=O)C1=CC=C(CBr)C(F)=C1F DKTXXBLWUUYFNL-UHFFFAOYSA-N 0.000 description 2
- BUGNGBVWYRKVFF-UHFFFAOYSA-N methyl 4-(bromomethyl)-2,5-difluorobenzoate Chemical compound COC(=O)C1=CC(F)=C(CBr)C=C1F BUGNGBVWYRKVFF-UHFFFAOYSA-N 0.000 description 2
- BFEKOTUJVAIWPK-UHFFFAOYSA-N methyl 4-(bromomethyl)-2,6-difluorobenzoate Chemical compound COC(=O)c1c(F)cc(CBr)cc1F BFEKOTUJVAIWPK-UHFFFAOYSA-N 0.000 description 2
- MABHQNNTZZMWCU-UHFFFAOYSA-N methyl 4-(bromomethyl)-2-methylbenzoate Chemical compound COC(=O)C1=CC=C(CBr)C=C1C MABHQNNTZZMWCU-UHFFFAOYSA-N 0.000 description 2
- XPXVDIFFCJRUCN-UHFFFAOYSA-N methyl 4-(bromomethyl)-2-nitrobenzoate Chemical compound COC(=O)C1=CC=C(CBr)C=C1[N+]([O-])=O XPXVDIFFCJRUCN-UHFFFAOYSA-N 0.000 description 2
- XTZCVWDSGCVDFI-UHFFFAOYSA-N methyl 4-(bromomethyl)-3-chlorobenzoate Chemical compound COC(=O)C1=CC=C(CBr)C(Cl)=C1 XTZCVWDSGCVDFI-UHFFFAOYSA-N 0.000 description 2
- JYJHLRUIPXMXCQ-UHFFFAOYSA-N methyl 4-(bromomethyl)-3-cyanobenzoate Chemical compound COC(=O)C1=CC=C(CBr)C(C#N)=C1 JYJHLRUIPXMXCQ-UHFFFAOYSA-N 0.000 description 2
- HYGYRBBZOHUETE-UHFFFAOYSA-N methyl 4-(bromomethyl)-3-nitrobenzoate Chemical compound COC(=O)C1=CC=C(CBr)C([N+]([O-])=O)=C1 HYGYRBBZOHUETE-UHFFFAOYSA-N 0.000 description 2
- NLWBJPPMPLPZIE-UHFFFAOYSA-N methyl 4-(bromomethyl)benzoate Chemical compound COC(=O)C1=CC=C(CBr)C=C1 NLWBJPPMPLPZIE-UHFFFAOYSA-N 0.000 description 2
- RWNXTXQXCJVRLY-UHFFFAOYSA-N methyl 4-(chloromethyl)-3,5-difluorobenzoate Chemical compound COC(=O)C1=CC(F)=C(CCl)C(F)=C1 RWNXTXQXCJVRLY-UHFFFAOYSA-N 0.000 description 2
- OEZJLPRXYNPFHE-UHFFFAOYSA-N methyl 5-bromo-4-(bromomethyl)-2-fluorobenzoate Chemical compound COC(C1=C(C=C(C(=C1)Br)CBr)F)=O OEZJLPRXYNPFHE-UHFFFAOYSA-N 0.000 description 2
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- MNZMMCVIXORAQL-UHFFFAOYSA-N naphthalene-2,6-diol Chemical compound C1=C(O)C=CC2=CC(O)=CC=C21 MNZMMCVIXORAQL-UHFFFAOYSA-N 0.000 description 2
- PJMBGPLWPQSJRI-UHFFFAOYSA-N naphthalene-2,6-diol Chemical compound C1=C(O)C=CC2=CC(O)=CC=C21.C1=C(O)C=CC2=CC(O)=CC=C21 PJMBGPLWPQSJRI-UHFFFAOYSA-N 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 229920003986 novolac Polymers 0.000 description 2
- 239000004843 novolac epoxy resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920003192 poly(bis maleimide) Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- OXPRYRDKGWKGSY-UHFFFAOYSA-N 1,2,4,5-tetrabromo-3,6-bis(bromomethyl)benzene Chemical compound BrCC1=C(Br)C(Br)=C(CBr)C(Br)=C1Br OXPRYRDKGWKGSY-UHFFFAOYSA-N 0.000 description 1
- IYGDLOMSJZQSGY-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3,6-bis(chloromethyl)benzene Chemical group ClCC1=C(Cl)C(Cl)=C(CCl)C(Cl)=C1Cl IYGDLOMSJZQSGY-UHFFFAOYSA-N 0.000 description 1
- RANLWIDSXHCUCH-UHFFFAOYSA-N 1,2-dibromo-3,6-bis(chloromethyl)-4,5-dimethylbenzene Chemical compound CC1=C(C)C(CCl)=C(Br)C(Br)=C1CCl RANLWIDSXHCUCH-UHFFFAOYSA-N 0.000 description 1
- 125000002030 1,2-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([*:2])C([H])=C1[H] 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 description 1
- WTBYGXCRADGSLY-UHFFFAOYSA-N 1,4-bis(bromomethyl)-2,3,5,6-tetrafluorobenzene Chemical compound FC1=C(F)C(CBr)=C(F)C(F)=C1CBr WTBYGXCRADGSLY-UHFFFAOYSA-N 0.000 description 1
- MUSYLRHTIZVVCB-UHFFFAOYSA-N 1,4-bis(bromomethyl)-2,5-dimethylbenzene Chemical compound CC1=CC(CBr)=C(C)C=C1CBr MUSYLRHTIZVVCB-UHFFFAOYSA-N 0.000 description 1
- AUZOUQPAAITHQE-UHFFFAOYSA-N 1,4-bis(chloromethyl)-2-methylbenzene Chemical compound CC1=CC(CCl)=CC=C1CCl AUZOUQPAAITHQE-UHFFFAOYSA-N 0.000 description 1
- ZZHIDJWUJRKHGX-UHFFFAOYSA-N 1,4-bis(chloromethyl)benzene Chemical group ClCC1=CC=C(CCl)C=C1 ZZHIDJWUJRKHGX-UHFFFAOYSA-N 0.000 description 1
- HRSLYNJTMYIRHM-UHFFFAOYSA-N 2-[[4-[3,5-dimethyl-4-(oxiran-2-ylmethoxy)phenyl]-2,6-dimethylphenoxy]methyl]oxirane Chemical group CC1=CC(C=2C=C(C)C(OCC3OC3)=C(C)C=2)=CC(C)=C1OCC1CO1 HRSLYNJTMYIRHM-UHFFFAOYSA-N 0.000 description 1
- OZRVXYJWUUMVOW-UHFFFAOYSA-N 2-[[4-[4-(oxiran-2-ylmethoxy)phenyl]phenoxy]methyl]oxirane Chemical compound C1OC1COC(C=C1)=CC=C1C(C=C1)=CC=C1OCC1CO1 OZRVXYJWUUMVOW-UHFFFAOYSA-N 0.000 description 1
- BVYPJEBKDLFIDL-UHFFFAOYSA-N 3-(2-phenylimidazol-1-yl)propanenitrile Chemical compound N#CCCN1C=CN=C1C1=CC=CC=C1 BVYPJEBKDLFIDL-UHFFFAOYSA-N 0.000 description 1
- YGYPMFPGZQPETF-UHFFFAOYSA-N 4-(4-hydroxy-3,5-dimethylphenyl)-2,6-dimethylphenol Chemical compound CC1=C(O)C(C)=CC(C=2C=C(C)C(O)=C(C)C=2)=C1 YGYPMFPGZQPETF-UHFFFAOYSA-N 0.000 description 1
- HSKGHUJMBLYPDO-UHFFFAOYSA-N 4-(hydroxymethyl)-2-methylphenol Chemical compound CC1=CC(CO)=CC=C1O HSKGHUJMBLYPDO-UHFFFAOYSA-N 0.000 description 1
- 229940090248 4-hydroxybenzoic acid Drugs 0.000 description 1
- FVCSARBUZVPSQF-UHFFFAOYSA-N 5-(2,4-dioxooxolan-3-yl)-7-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C(C(OC2=O)=O)C2C(C)=CC1C1C(=O)COC1=O FVCSARBUZVPSQF-UHFFFAOYSA-N 0.000 description 1
- KAUQJMHLAFIZDU-UHFFFAOYSA-N 6-Hydroxy-2-naphthoic acid Chemical compound C1=C(O)C=CC2=CC(C(=O)O)=CC=C21 KAUQJMHLAFIZDU-UHFFFAOYSA-N 0.000 description 1
- 238000007088 Archimedes method Methods 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- CHRKUROIWQYVDG-UHFFFAOYSA-N CC1=C(CBr)C=CC(C(O)=O)=C1C Chemical compound CC1=C(CBr)C=CC(C(O)=O)=C1C CHRKUROIWQYVDG-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229960004050 aminobenzoic acid Drugs 0.000 description 1
- 229920006127 amorphous resin Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Substances N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 125000004181 carboxyalkyl group Chemical group 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000002460 imidazoles Chemical group 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- LXXRFFAIWGWJMA-UHFFFAOYSA-N methyl 4-(bromomethyl)-3-(trifluoromethyl)benzoate Chemical compound COC(=O)C1=CC=C(CBr)C(C(F)(F)F)=C1 LXXRFFAIWGWJMA-UHFFFAOYSA-N 0.000 description 1
- OJBQAHZJVDWSFD-UHFFFAOYSA-N methyl 4-(bromomethyl)-3-fluorobenzoate Chemical compound COC(=O)C1=CC=C(CBr)C(F)=C1 OJBQAHZJVDWSFD-UHFFFAOYSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- KQSABULTKYLFEV-UHFFFAOYSA-N naphthalene-1,5-diamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1N KQSABULTKYLFEV-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 150000003003 phosphines Chemical group 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000962 poly(amidoamine) Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- STOSPPMGXZPHKP-UHFFFAOYSA-N tetrachlorohydroquinone Chemical compound OC1=C(Cl)C(Cl)=C(O)C(Cl)=C1Cl STOSPPMGXZPHKP-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/26—Layered products comprising a layer of synthetic resin characterised by the use of special additives using curing agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/23—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing hydroxy or O-metal groups
-
- 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
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
Definitions
- the present invention relates to a compound, a resin composition, a resin sheet, a cured resin and a laminated substrate.
- Patent Document 1 describes an epoxy resin composition containing an epoxy resin, a curing agent and an inorganic filler.
- Patent Document 1 discloses an epoxy resin into which a mesogenic skeleton is introduced.
- Patent Document 2 discloses an epoxy resin mixture obtained by reacting at least a bifunctional epoxy resin with a biphenol compound.
- Patent Document 3 discloses a resin composition containing a filler and a thermosetting resin having a mesogenic group in its molecule.
- the present inventors focused on the skeleton and terminal groups of the compounds used as the material of the resin composition and conducted extensive studies. As a result, it has a chain structure in which an aromatic ring group which may have a substituent, an ether oxygen and a methylene group are bonded in a specific order, and the aromatic group arranged at the first end of the chain structure.
- a hydroxymethyl group is bonded to the carbon of the aromatic ring group, and any one selected from a hydroxyl group, an amino group, an amide group, and a carboxyl group is attached to the carbon of the aromatic ring group arranged at the second end of the chain structure.
- the compound may be a compound to which the terminal group of the species is attached. That is, the present invention relates to the following inventions.
- a hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure,
- a compound in which any one terminal group selected from a hydroxyl group, an amino group, an amide group, and a carboxyl group is bonded to the carbon of the aromatic ring group arranged at the second end of the chain structure.
- a first aromatic ring unit consisting of a first aromatic ring group and two ether oxygens bonded to the first aromatic ring group; a second aromatic ring unit consisting of a second aromatic ring group and two methylene groups bonded to the second aromatic ring group; a third aromatic ring unit comprising a third aromatic ring group and a hydroxymethyl group bonded to the third aromatic ring group; a fourth aromatic ring unit consisting of a fourth aromatic ring group and the terminal group bonded to the fourth aromatic ring group,
- the chain structure has a skeleton in which the first aromatic ring units and the second aromatic ring units are alternately arranged, and the first aromatic ring units are arranged at both ends of the skeleton.
- the third aromatic ring group is bonded to one end by a methylene group
- the fourth aromatic ring group is bonded to the second end of the skeleton by a methylene group.
- the chain structure has a skeleton in which the first aromatic ring units and the second aromatic ring units are alternately arranged, and the second aromatic ring units are arranged at both ends, and
- the compound according to [1] wherein the third aromatic ring group is bonded to the first terminal via an ether oxygen, and the fourth aromatic ring group is bonded to the second terminal of the skeleton via an ether oxygen.
- a first aromatic ring unit consisting of a first aromatic ring group and two ether oxygens bonded to the first aromatic ring group; a second aromatic ring unit consisting of a second aromatic ring group and two methylene groups bonded to the second aromatic ring group; a third aromatic ring unit comprising a third aromatic ring group and a hydroxymethyl group bonded to the third aromatic ring group; a fourth aromatic ring unit consisting of a fourth aromatic ring group and the terminal group bonded to the fourth aromatic ring group, the chain structure has a skeleton in which the first aromatic ring units and the second aromatic ring units are alternately arranged; The third aromatic ring group is bonded to the end of the first aromatic ring unit side through a methylene group, and the fourth aromatic ring group is bonded to the end of the second aromatic ring unit side through an ether oxygen.
- the fourth aromatic ring group is bonded to the end of the first aromatic ring unit through a methylene group, and the third aromatic ring group is bonded to the end of the second aromatic ring unit through an ether oxygen.
- Ar 1 is a first aromatic ring group which may each independently have a substituent
- Ar 2 is a second aromatic ring group which may each independently have a substituent
- Ar 3 is a third aromatic ring group which may have a substituent
- Ar 4 is a fourth aromatic ring group which may have a substituent
- Z is the terminal group .n is an integer greater than or equal to 0.
- Ar 1 is a first aromatic ring group which may each independently have a substituent
- Ar 2 is a second aromatic ring group which may each independently have a substituent.
- Ar 3 is a third aromatic ring group which may have a substituent
- Ar 4 is a fourth aromatic ring group which may have a substituent
- Z is the terminal group .n is an integer of 1 or more.
- Ar 1 is a first aromatic ring group which may each independently have a substituent
- Ar 2 is a second aromatic ring group which may each independently have a substituent.
- Ar 3 is a third aromatic ring group which may have a substituent
- Ar 4 is a fourth aromatic ring group which may have a substituent
- Z is the terminal group .n is an integer of 1 or more.
- Ar 1 is a first aromatic ring group which may each independently have a substituent
- Ar 2 is a second aromatic ring group which may each independently have a substituent
- Ar 3 is a third aromatic ring group which may have a substituent
- Ar 4 is a fourth aromatic ring group which may have a substituent
- Z is the terminal group .n is an integer of 1 or more.
- any one or more of the first aromatic ring group, the second aromatic ring group, the third aromatic ring group, and the fourth aromatic ring group are represented by the following formulas (5) to (9) )
- R21 to R24 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- R25 to R30 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- R31 to R36 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- R37 to R42 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- R43 to R50 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- any one or more of the first aromatic ring group, the second aromatic ring group, the third aromatic ring group, and the fourth aromatic ring group may have a substituent.
- the first aromatic ring group and the fourth aromatic ring group are the same, The compound according to any one of [2] to [5], wherein the second aromatic ring group is a paraphenylene group.
- R1 to R12 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group.
- Z is the terminal group.
- n is an integer of 1 or more.
- R1 to R12 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group.
- Z is the terminal group.
- n is an integer of 1 or more.
- R1 to R12 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group.
- Z is the terminal group.
- n is an integer of 1 or more.
- R1 to R12 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group.
- Z is the terminal group.
- n is an integer of 1 or more.
- [10] A resin composition containing the compound according to any one of [1] to [9]. [11] having a chain structure in which an aromatic ring group, an ether oxygen, a methylene group, an aromatic ring group, a methylene group, an ether oxygen, and an aromatic ring group are bonded in this order; a compound in which one terminal group selected from a hydroxyl group, an amino group, an amide group, and a carboxyl group is bonded to the carbon atoms of the aromatic ring groups arranged at both ends of the chain structure;
- the resin composition according to [10] which contains one or both of compounds in which hydroxymethyl groups are bonded to carbon atoms of the aromatic ring groups arranged at both ends of the chain structure.
- a resin composition containing an epoxy resin and a curing agent A resin composition in which the curing agent contains the compound according to any one of [1] to [9].
- a resin cured product comprising a cured product of the resin composition according to any one of [10] to [12].
- the compound of the present invention has a chain structure in which an aromatic ring group, an ether oxygen, a methylene group, an aromatic ring group, a methylene group, an ether oxygen, and an aromatic ring group are bonded in this order.
- the chain structure of the compound of the present invention is a mesogenic group that exhibits liquid crystallinity, and an aromatic ring group that imparts rigidity and a methylene group and ether oxygen that imparts mobility are arranged in a specific order. structure. Therefore, the compound of the present invention can stabilize the smectic liquid crystal phase due to the moderate mobility of the mesogenic group itself. Therefore, the compound of the present invention has high orientation.
- a hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure, and the aromatic ring group arranged at the second end of the chain structure Any one terminal group selected from a hydroxyl group, an amino group, an amide group, and a carboxyl group is bonded to the carbon. Therefore, by polymerizing a resin composition containing the compound of the present invention, a cured product having a smectic liquid crystal structure resulting from a mesogenic structure and high thermal conductivity can be obtained.
- FIG. 1 is a perspective view showing an example of the resin sheet and resin substrate of the present invention.
- FIG. 2 is a cross-sectional view of the resin sheet and resin substrate shown in FIG. 1 taken along line II-II.
- FIG. 3 is a perspective view showing an example of the laminated substrate of the present invention.
- FIG. 4 is a cross-sectional view taken along line IV-IV of the laminated substrate shown in FIG.
- Compound The compound of this embodiment has a chain structure in which an aromatic ring group, an ether oxygen, a methylene group, an aromatic ring group, a methylene group, an ether oxygen, and an aromatic ring group are bonded in this order.
- a hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure, and the carbon of the aromatic ring group arranged at the second end of the chain structure is bound to any one terminal group selected from a hydroxyl group, an amino group, an amide group and a carboxyl group.
- the compound of this embodiment preferably contains a first aromatic ring unit, a second aromatic ring unit, a third aromatic ring unit, and a fourth aromatic ring unit shown below.
- the first aromatic ring unit consists of a first aromatic ring group and two ether oxygens attached to the first aromatic ring group.
- the second aromatic ring unit consists of a second aromatic ring group and two methylene groups bonded to the second aromatic ring group.
- the third aromatic ring unit consists of a third aromatic ring group and a hydroxymethyl group bonded to the third aromatic ring group.
- the fourth aromatic ring unit consists of a fourth aromatic ring group and a terminal group bonded to the fourth aromatic ring group.
- the chain structure in the compound of the present embodiment may have a skeleton in which the first aromatic ring units and the second aromatic ring units are alternately arranged and the first aromatic ring units are arranged at both ends. good.
- a third aromatic ring group is bonded to the first terminal of the skeleton via a methylene group
- a fourth aromatic ring group is bonded to the second terminal of the skeleton via a methylene group.
- the chain structure in the compound of the present embodiment may have a skeleton in which the first aromatic ring units and the second aromatic ring units are alternately arranged and the second aromatic ring units are arranged at both ends. good.
- a third aromatic ring group is bound to the first end of the skeleton via an ether oxygen
- a fourth aromatic ring group is bound to the second end of the skeleton via an ether oxygen.
- the chain structure has a skeleton in which the first aromatic ring units and the second aromatic ring units are alternately arranged, and the first aromatic ring units are arranged at both ends, or the second aromatic ring units are arranged at both ends. It is preferable that the skeleton has a symmetrical structure because the skeleton is a symmetrical skeleton. When the skeleton has a symmetrical structure, the cured product tends to form an ordered structure, resulting in a cured product with even higher thermal conductivity.
- the first aromatic ring unit and the second aromatic ring unit are alternately arranged, the first aromatic ring unit is arranged at one end, and the other end is may have a skeleton in which the second aromatic ring unit is arranged.
- the third aromatic ring group is bonded to the end of the first aromatic ring unit side via a methylene group
- the fourth aromatic ring group is bonded to the end of the second aromatic ring unit side via an ether oxygen.
- a fourth aromatic ring group is bonded to the end of the first aromatic ring unit via a methylene group
- a third aromatic ring group is bonded to the end of the second aromatic ring unit via an ether oxygen. is also preferred.
- the first aromatic ring group, the second aromatic ring group, the third aromatic ring group and the fourth aromatic ring group in the compound of the present embodiment may all be aromatic ring groups and have substituents. You may have The first aromatic ring group, the second aromatic ring group, the third aromatic ring group and the fourth aromatic ring group may be different, or may be partially or entirely the same, and the compound can be determined as appropriate according to the use of the device.
- the plurality of first aromatic ring groups may be different from each other, or part or all of them may be the same.
- a compound in which all of the plurality of first aromatic ring groups are the same is preferable because it can be easily produced.
- the compound of the present embodiment has a plurality of second aromatic ring groups
- the plurality of second aromatic ring groups may be different, or may be partially or entirely the same. good.
- a compound in which all of the plurality of second aromatic ring groups are the same is preferable because it can be easily produced.
- the substituents in the first aromatic ring group, the second aromatic ring group, the third aromatic ring group and the fourth aromatic ring group are methyl group, trifluoromethyl group, halogen group, It is preferably one selected from a nitro group and a cyano group, and can be appropriately determined depending on the use of the compound, and is not particularly limited.
- substituents a methyl group, a trifluoromethyl group, and a halogen group are particularly preferable from the viewpoint of chemical stability and environmental load reduction, and a methyl group is particularly preferable.
- any one or more of the first aromatic ring group, the second aromatic ring group, the third aromatic ring group and the fourth aromatic ring group in the compound of the present embodiment are, for example, the following general formulas (5) to It may be any aromatic ring group represented by (9). Any one or more of the first aromatic ring group, the second aromatic ring group, the third aromatic ring group, and the fourth aromatic ring group is an aromatic represented by general formulas (5) to (9) A cyclic group is preferable because a polymer having a higher thermal conductivity can be obtained and the compound can be easily handled.
- R21 to R24 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- R25 to R30 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- R31 to R36 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- R37 to R42 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- R43 to R50 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group. * is a bond.
- any one or more of the first aromatic ring group, the second aromatic ring group, the third aromatic ring group, and the fourth aromatic ring group in the compound of the present embodiment is a polymer having a higher thermal conductivity.
- a phenylene group which may have a substituent is preferable in order to obtain the resulting compound.
- the phenylene group in the phenylene group which may have a substituent may be any of an orthophenylene group, a metaphenylene group, and a paraphenylene group. ) is particularly preferred.
- the resulting compound when the second aromatic ring group is a paraphenylene group, the resulting compound includes a structure in which methylene groups are bonded to both sides of the paraphenylene group, resulting in a polymer with better thermal conductivity, which is preferable.
- the first aromatic ring group and the fourth aromatic ring group are the same, and the second aromatic ring group is a paraphenylene group.
- Such a compound is advantageous for ordering because it easily assumes a liquid crystal state.
- the second aromatic ring group in the compound of the present embodiment is a paraphenylene group having no substituent, the raw material is easily available, and the compound has a low melting point and good solubility in a solvent. becomes.
- Examples of the compound of the present embodiment include any one of compounds represented by the following general formulas (1) to (4).
- Ar 1 is a first aromatic ring group which may each independently have a substituent
- Ar 2 is a second aromatic ring group which may each independently have a substituent
- Ar 3 is a third aromatic ring group which may have a substituent
- Ar 4 is a fourth aromatic ring group which may have a substituent
- Z is the terminal group .n is an integer greater than or equal to 0.
- Ar 1 is a first aromatic ring group which may each independently have a substituent
- Ar 2 is a second aromatic ring group which may each independently have a substituent
- Ar 3 is a third aromatic ring group which may have a substituent
- Ar 4 is a fourth aromatic ring group which may have a substituent
- Z is the terminal group .n is an integer of 1 or more.
- Ar 1 is a first aromatic ring group which may each independently have a substituent
- Ar 2 is a second aromatic ring group which may each independently have a substituent
- Ar 3 is a third aromatic ring group which may have a substituent
- Ar 4 is a fourth aromatic ring group which may have a substituent
- Z is the terminal group .n is an integer of 1 or more.
- Ar 1 is a first aromatic ring group which may each independently have a substituent
- Ar 2 is a second aromatic ring group which may each independently have a substituent
- Ar 3 is a third aromatic ring group which may have a substituent
- Ar 4 is a fourth aromatic ring group which may have a substituent
- Z is the terminal group .n is an integer of 1 or more.
- any one of the compounds represented by general formulas (1) to (4) is the first aromatic ring unit (represented by —O—Ar 1 —O— in formulas (1) to (4)) and , the second aromatic ring unit (represented by —CH 2 —Ar 1 —CH 2 — in formulas (1) to (4)), and the third aromatic ring unit (in formulas (1) to (4) —Ar 3 —CH 2 —OH) and a fourth aromatic ring unit (represented by —Ar 4 —Z in formulas (1) to (4)).
- the first aromatic ring unit includes the above first aromatic ring group (represented by Ar 1 in formulas (1) to (4)); and two ether oxygens attached to the first aromatic ring group.
- the second aromatic ring unit has the above second aromatic ring group (represented by Ar 2 in formulas (1) to (4)) and two methylene groups bonded to the second aromatic ring group.
- the third aromatic ring unit includes the above-described third aromatic ring group (represented by Ar 3 in formulas (1) to (4)) and a hydroxymethyl group (-CH 2 in formulas (1) to (4)). —OH).
- the fourth aromatic ring unit includes the above-described fourth aromatic ring group (indicated by Ar 4 in formulas (1) to (4)) and a terminal group (indicated by Z in formulas (1) to (4)). ).
- the compound represented by the general formula (1) has a skeleton in which the first aromatic ring unit and the second aromatic ring unit are alternately arranged in a chain and both ends are terminated with the second aromatic ring unit. have.
- the methylene groups of the second aromatic ring unit are arranged at both ends of the skeleton, and the second aromatic ring unit at the first end is Ar 3 of the formula (1) with an ether oxygen.
- the second aromatic ring unit at the second terminal is linked to the fourth aromatic ring group represented by Ar 4 in formula (1) via an ether oxygen.
- the first aromatic ring unit and the second aromatic ring unit are alternately arranged in a chain, and both ends are terminated with the first aromatic ring unit. have a skeleton;
- the ether oxygen of the first aromatic ring unit is arranged at both ends of the skeleton, and the first aromatic ring unit at the first terminal is arranged with a methylene group to form Ar 3 of formula (2).
- the first aromatic ring unit at the second end is linked to the fourth aromatic ring group represented by Ar 4 in formula (1) via a methylene oxygen.
- the compound represented by the general formula (3) has a skeleton in which the first aromatic ring units and the second aromatic ring units are alternately arranged in a chain.
- the fourth aromatic ring group is bonded to the end of the first aromatic ring unit side via a methylene group
- the third aromatic ring group is bonded to the end of the second aromatic ring unit side via an ether oxygen.
- Aromatic ring groups are attached.
- the compound represented by the general formula (4) has a skeleton in which the first aromatic ring units and the second aromatic ring units are alternately arranged in a chain.
- the third aromatic ring group is bonded to the end of the first aromatic ring unit side via a methylene group
- the fourth aromatic ring group is bonded to the end of the second aromatic ring unit side via an ether oxygen.
- Aromatic ring groups are attached.
- a hydroxymethyl group (--CH.sub.2--OH) is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure.
- the terminal group represented by Z in formulas (1) to (4) is bonded to the carbon of the aromatic ring group arranged at the second end of the chain structure.
- the first aromatic ring group, the third aromatic ring group and the fourth aromatic ring group are paraphenylene groups optionally having a substituent represented by formula (5).
- Examples of compounds in which the second aromatic ring group is an unsubstituted paraphenylene group include compounds represented by the following general formulas (10) to (13).
- R1 to R12 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group.
- Z is the terminal group.
- n is an integer of 1 or more.
- R1 to R12 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group.
- Z is the terminal group.
- n is an integer of 1 or more.
- R1 to R12 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group.
- Z is the terminal group.
- n is an integer of 1 or more.
- R1 to R12 are each independently one selected from hydrogen, methyl group, trifluoromethyl group, halogen group, nitro group and cyano group.
- Z is the terminal group.
- n is an integer of 1 or more.
- the first aromatic ring group, the third aromatic ring group and the fourth aromatic ring group are substituents represented by general formula (5).
- a paraphenylene group which may have a second aromatic ring group is a paraphenylene group having no substituent. Therefore, the compounds represented by the general formulas (10) to (13) have a skeleton including a structure in which methylene groups are bonded to both sides of an unsubstituted paraphenylene group, and exhibit high orientation. Therefore, the resin composition containing the compounds represented by the general formulas (10) to (13) yields a polymer with better thermal conductivity. In addition, the compounds represented by the general formulas (10) to (13) are easily available as raw materials because the second aromatic ring group is a paraphenylene group having no substituent.
- the compound represented by the general formula (10) has a symmetrical structure consisting of the first aromatic ring unit and the second aromatic ring unit, and the cured product easily forms an ordered structure. A cured product having thermal conductivity is obtained. Moreover, since the compound represented by the general formula (10) has an asymmetric molecular structure in which the structure of the first end and the structure of the second end of the skeleton are different, the curing reaction progresses step by step. That is, in the compound represented by the general formula (10), the curing reaction can be controlled by appropriately selecting the type of terminal group depending on the application. In addition, the compound represented by the general formula (10) has excellent solubility because a hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure.
- the compound represented by the general formula (11) has a symmetrical structure consisting of the first aromatic ring unit and the second aromatic ring unit, and the cured product easily forms an ordered structure. A cured product having thermal conductivity is obtained. Moreover, since the compound represented by the general formula (11) has an asymmetric molecular structure in which the structure of the first terminal and the structure of the second terminal of the skeleton are different, the curing reaction progresses step by step. That is, in the compound represented by the general formula (11), the curing reaction can be controlled by appropriately selecting the type of terminal group depending on the application. In addition, the compound represented by the general formula (11) has excellent solubility because a hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure.
- the compound represented by the general formula (12) has a skeleton in which the first aromatic ring unit and the second aromatic ring unit are alternately arranged, and the cured product easily forms an ordered structure. A cured product having high thermal conductivity is obtained. Moreover, since the compound represented by the general formula (12) has an asymmetric molecular structure in which the structure of the first terminal and the structure of the second terminal of the skeleton are different, the curing reaction progresses in stages. That is, in the compound represented by the general formula (12), the curing reaction can be controlled by appropriately selecting the type of terminal group depending on the application. In addition, the compound represented by the general formula (12) has excellent solubility because a hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure.
- the compound represented by the general formula (13) has a skeleton in which the first aromatic ring unit and the second aromatic ring unit are alternately arranged, and the cured product easily forms an ordered structure. A cured product having high thermal conductivity is obtained. Moreover, since the compound represented by the general formula (13) has an asymmetric molecular structure in which the structure of the first end and the structure of the second end of the skeleton are different, the curing reaction progresses step by step. That is, in the compound represented by the general formula (13), the curing reaction can be controlled by appropriately selecting the type of terminal group depending on the application. In addition, the compound represented by the general formula (13) has excellent solubility because a hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure.
- R1 to R4 in formula (13) are hydrogen, and any one of R5 to R8 is a methyl group and the other is hydrogen. and preferably one of R9 to R12 is a methyl group and the others are hydrogen.
- Such compounds have readily available raw materials and can be easily produced.
- the first aromatic ring group and the second aromatic ring group may be the same or different. Therefore, both the first aromatic ring group and the second aromatic ring group may be paraphenylene groups having no substituents. In this case, raw materials are readily available, which is preferable. Further, when the first aromatic ring group and the second aromatic ring group are different, the structural symmetry in the skeleton is increased compared to the case where the first aromatic ring group and the second aromatic ring group are the same. lower. Therefore, the crystallinity of the compound is lowered and the smectic liquid crystal phase is stabilized. As a result, it becomes a compound from which a polymer having better thermal conductivity can be obtained.
- n is the number of repeating units described in parentheses.
- n is an integer of 0 or more.
- n is preferably 1 or more, more preferably 2 or more so that the effect of improving the thermal conductivity of the polymer due to having the above skeleton becomes more remarkable.
- n is an integer of 1 or more.
- n is 2 or more so that the effect of improving the thermal conductivity of the polymer due to having the above skeleton becomes more pronounced.
- n in general formulas (1) to (4) (10) to (13) is not particularly limited, it is preferably 20 or less in order to ensure the solubility of the compound in the solvent. n is more preferably 10 or less, even more preferably 6 or less, so that the compound has better solubility in the solvent.
- the skeleton of the compound of the present embodiment preferably has a repeating unit consisting of one first aromatic ring unit and one second aromatic ring unit.
- the compound of the present embodiment may be a mixture containing multiple types of compounds having different numbers of repeating units, or may be a single type of compound having the same number of repeating units.
- the average degree of polymerization which is the average number of repeating units of the compounds contained in the mixture, is 1.0 to 6.0. It is preferably 0, more preferably 2.0 to 5.0.
- the average degree of polymerization is 1.0 or more, the resin composition containing this compound will yield a polymer with higher thermal conductivity. Further, when the average degree of polymerization is 6.0 or less, the compound has better solubility in solvents.
- a hydroxymethyl group is bonded to the carbon of the third aromatic ring group arranged at the first end of the chain structure.
- any one terminal group selected from a hydroxyl group, an amino group, an amide group, and a carboxyl group is bonded to the carbon of the fourth aromatic ring group arranged at the second end of the chain structure.
- the terminal group can be appropriately determined according to the use of the compound.
- any one terminal group selected from a hydroxyl group, an amino group, an amide group, and a carboxyl group is the carbon of the 4th aromatic ring group arranged at the second end of the chain structure.
- the compound of this embodiment can be easily produced.
- the terminal group is a hydroxyl group, it is preferable because it can be efficiently produced in a small number of steps.
- These end groups also react with epoxy groups. Therefore, the compound of the present embodiment can be suitably used as a curing agent for epoxy resins.
- a polymerization product (cured product) obtained by polymerizing a resin composition containing the compound of the present embodiment and an epoxy resin has high thermal conductivity.
- the terminal group is preferably a hydroxyl group among the above. That is, a resin composition containing a compound having a hydroxymethyl group bonded to the first end and a hydroxyl group bonded to the second end as a terminal group and an epoxy resin is easy to control the polymerization reaction and has a high thermal conductivity. This is because a cured product having good properties and chemical stability can be obtained.
- the type of terminal group can be appropriately selected depending on the application. This makes it possible to adjust the reactivity with other monomers and the like in the resin composition containing the compound of the present embodiment.
- the compound of this embodiment can be produced, for example, by the method shown below.
- a method for producing a compound a method for producing a compound represented by general formulas (1) to (4) will be described as an example.
- a first raw material which is an aromatic compound having two phenolic hydroxyl groups
- a second raw material which is an aromatic compound having a monohalogenated methyl group
- S N 2 reaction a bimolecular nucleophilic substitution reaction
- a first precursor compound having a skeleton in which structures derived from the second raw material are arranged at both ends is produced.
- Conditions for reacting the first raw material and the second raw material can be appropriately determined according to the combination of the first raw material and the second raw material, and are not particularly limited.
- the first raw material used in the method for producing the compound of the present embodiment is an aromatic compound having two phenolic hydroxyl groups, and is appropriately selected according to the structure of the first aromatic ring group in the compound to be produced.
- the first raw material include methylhydroquinone, hydroquinone, tetramethylhydroquinone, trimethylhydroquinone, 2-(trifluoromethyl)-1,4-benzenediol, fluorohydroquinone, chlorohydroquinone, bromohydroquinone, and 2,5-dihydroxynitrobenzene.
- the second raw material used in the method for producing the compound of the present embodiment is an aromatic compound having a monohalogenated methyl group, and is appropriately selected according to the structure of the second aromatic ring group in the compound to be produced.
- the second raw material include ⁇ , ⁇ '-dichloro-p-xylene, 1,4-bis(chloromethyl)-2-methylbenzene, 3,6-bis(chloromethyl)durene, 1,4-bis (bromomethyl)-2-fluorobenzene, 1,4-bis(bromomethyl)-2-chlorobenzene, 2-bromo-1,4-bis(bromomethyl)benzene, 1,4-bis(chloromethyl)-2-nitrobenzene, 1,4-bis(bromomethyl)-2,3,5,6-tetrafluorobenzene, ⁇ , ⁇ ',2,3,5,6-hexachloro-p-xylene, 1,2,4,5-tetrabromo- 3,6-bis(bromomethyl)benzen
- the first precursor compound is reacted with a third raw material, which is an aromatic compound having a hydroxymethyl group, to synthesize a second precursor compound.
- Conditions for reacting the first precursor compound and the third raw material can be appropriately determined according to the combination of the first precursor compound and the third raw material, and are not particularly limited.
- the third raw material used in the method for producing the compound of the present embodiment is an aromatic compound having a hydroxymethyl group, and is appropriately selected depending on the structure of the third aromatic ring group in the compound to be produced.
- the third raw material is specifically, for example, 2,6-difluoro-4-hydroxy- benzyl alcohol, 2-fluoro-4-hydroxy-benzyl alcohol, 3-bromo-4-hydroxy-benzyl alcohol, 4-hydroxy-3-nitro-benzyl alcohol, 4-hydroxy-3-methyl-benzyl alcohol, 4-hydroxy -3,5-dimethyl-benzyl alcohol, 2-chloro-4-hydroxy-benzyl alcohol, 3,5-difluoro-4-hydroxy-benzyl alcohol, 4-hydroxy-2,6-dimethyl-benzyl alcohol, 4-hydroxy -2-methyl-benzyl alcohol, 4-hydroxy-2-nitro-benzyl alcohol, 4-hydroxy-3-(trifluoromethyl)-benzyl alcohol, 4-hydroxy-2,5-dimethyl-benzyl alcohol and the like. .
- a compound represented by the general formula (1) is obtained.
- Conditions for reacting the second precursor compound and the fourth raw material can be appropriately determined according to the combination of the second precursor compound and the fourth raw material, and are not particularly limited.
- the fourth raw material used in the method for producing a compound of the present embodiment is an aromatic compound having a structure derived from a terminal group, and the structure of the fourth aromatic ring group and the structure of the terminal group in the compound to be produced. is selected as appropriate.
- the fourth raw material since the first precursor compound has a structure in which the elements arranged at both ends of the skeleton are derived from the second raw material, the fourth raw material, like the first raw material, has two phenolic hydroxyl groups can be used. Moreover, as the fourth raw material, an aromatic compound having one phenolic hydroxyl group and an amino group or a carboxyalkyl group may be used. Specifically, for example, methylhydroquinone, hydroquinone, 2-fluoro-1,4-benzenediol, 2,3,5,6-tetrafluoro-1,4-benzenediol, 2,3-difluoro-1,4 -benzenediol, methyl 4-hydroxybenzoate, p-aminophenol and the like.
- the terminal group of the compound represented by the general formula (1) obtained by the above method is a carboxyl group
- the compound represented by the general formula (1) is reacted with aqueous ammonia.
- a compound represented by formula (1) having an amide group (--CONH 2 ) as a terminal group may be produced by amidating the terminal group.
- Method for producing compound represented by general formula (2) A first raw material that is an aromatic compound having two phenolic hydroxyl groups and a second raw material that is an aromatic compound having a monohalogenated methyl group are used in the same manner as in the method for producing the compound represented by the general formula (1). prepare. Then, in the same manner as in the method for producing the compound represented by the general formula (1), the first raw material and the second raw material are subjected to a bimolecular nucleophilic substitution reaction (S N 2 reaction) using potassium carbonate. A first precursor compound having a skeleton from which the chain structure in the compound of the embodiment is derived is synthesized.
- the compound represented by the general formula (2) When producing the compound represented by the general formula (2), by reducing the molar ratio of the second raw material to that of the first raw material, it has a skeleton in which structures derived from the first raw material are arranged at both ends. A first precursor compound is prepared.
- the first raw material and the second material used in producing the compound represented by the general formula (2) the same method as in the method for producing the compound represented by the general formula (1) can be used. .
- the first precursor compound is reacted with a fourth raw material, which is an aromatic compound having a structure from which a terminal group is derived, to synthesize a second precursor compound.
- Conditions for reacting the first precursor compound and the fourth raw material can be appropriately determined according to the combination of the first precursor compound and the fourth raw material, and are not particularly limited.
- the fourth raw material used in the method for producing the compound of the present embodiment is an aromatic compound having a structure from which the terminal group is derived, and is appropriately selected according to the structure of the fourth aromatic ring group in the compound to be produced. be done.
- the first precursor compound has a structure in which the elements arranged at both ends of the skeleton are derived from the first raw material
- an aromatic compound having a monohalogenated methyl group as the fourth raw material.
- the second precursor compound obtained by reacting the first precursor compound and the fourth raw material is reacted with the third raw material, which is an aromatic compound having a hydroxymethyl group, to obtain the third precursor.
- the third raw material which is an aromatic compound having a hydroxymethyl group
- Conditions for reacting the second precursor compound and the third raw material can be appropriately determined according to the combination of the second precursor compound and the third raw material, and are not particularly limited.
- the third raw material used in the method for producing the compound of the present embodiment is an aromatic compound having a hydroxymethyl group, and depending on the structure of the third aromatic ring group and the structure of the terminal group in the compound to be produced, selected.
- the third raw material When producing the compound represented by the general formula (2), specific examples of the third raw material include 5-(bromomethyl)-2-hydroxymethyl-2-benzonitrile and the like. Thereafter, the third precursor compound is reacted with a compound having a structure from which the terminal group represented by Z in formula (2) is derived, thereby obtaining the compound represented by general formula (2).
- the terminal group of the compound represented by the general formula (2) obtained by the above method is a carboxyl group
- the compound represented by the general formula (2) is reacted with aqueous ammonia.
- a compound represented by formula (2) having an amide group (--CONH 2 ) as a terminal group may be produced by amidating the terminal group.
- Method for producing compound represented by general formula (3) In the same manner as in the method for producing the compounds represented by general formulas (1) and (2), the first raw material, which is an aromatic compound having two phenolic hydroxyl groups, and the aromatic compound having a monohalogenated methyl group A second raw material is prepared. Then, in the same manner as in the method for producing the compounds represented by the general formulas (1) and (2), the first raw material and the second raw material are subjected to a bimolecular nucleophilic substitution reaction (S N 2 reaction) to synthesize a first precursor compound having a skeleton from which the chain structure in the compound of the present embodiment is derived.
- S N 2 reaction bimolecular nucleophilic substitution reaction
- the molar ratio between the first raw material and the second raw material is substantially the same, so that the structure derived from the first raw material is arranged at one end, A first precursor compound having a skeleton having a structure derived from the second raw material arranged at the other end is produced.
- the same method as in the production method of the compounds represented by the general formulas (1) and (2) is used. can use things.
- the compound represented by general formula (3) is obtained.
- the first aromatic ring group and the fourth aromatic ring group are the same, the second aromatic ring group and the third aromatic ring group are the same, and the terminal in the compound represented by the general formula (3)
- the first precursor compound is the compound represented by general formula (3) of the present embodiment.
- Method for producing compound represented by general formula (4) In the same manner as in the method for producing the compounds represented by general formulas (1) to (3), the first raw material, which is an aromatic compound having two phenolic hydroxyl groups, and the aromatic compound having a monohalogenated methyl group A second raw material is prepared. Then, in the same manner as in the method for producing the compounds represented by general formulas (1) to (3), the first raw material and the second raw material are subjected to a bimolecular nucleophilic substitution reaction (S N 2 reaction) to synthesize a first precursor compound having a skeleton from which the chain structure in the compound of the present embodiment is derived.
- S N 2 reaction bimolecular nucleophilic substitution reaction
- the first precursor compound is reacted with a fourth raw material, which is an aromatic compound having a structure from which a terminal group is derived, to synthesize a second precursor compound.
- Conditions for reacting the first precursor compound and the fourth raw material can be appropriately determined according to the combination of the first precursor compound and the fourth raw material, and are not particularly limited.
- the fourth raw material used in the method for producing the compound of the present embodiment is an aromatic compound having a structure from which the terminal group is derived, and is appropriately selected according to the structure of the fourth aromatic ring group in the compound to be produced. be done.
- the first precursor compound has a structure in which the elements arranged at both ends of the skeleton are derived from the second raw material.
- a method similar to the method for producing the compound represented by (1) can be used. Then, by introducing a hydroxymethyl group into the aromatic ring group serving as the third aromatic ring group in formula (4) in the second precursor compound, the compound represented by general formula (4) is obtained. .
- the terminal group of the compound represented by the general formula (4) obtained by the above method is a carboxyl group
- the compound represented by the general formula (4) is reacted with aqueous ammonia.
- a compound represented by the formula (4) having an amide group (--CONH 2 ) as the terminal group may be produced by amidating the terminal group.
- the terminal group bonded to the carbon of the aromatic ring group arranged at the first end and / or the second end of the chain structure is It is preferred to produce a compound that differs from the form of the compound.
- a compound in which the terminal group bonded to the carbon of the aromatic ring group arranged at the first end and/or the second end of the chain structure is different from the compound of the present embodiment is produced at the same time as the compound of the present embodiment.
- the resin composition can be produced efficiently without the step of mixing a plurality of types of compounds when producing a resin composition containing the compound of the present embodiment.
- the terminal group bonded to the carbon of the aromatic ring group arranged at the first end and/or the second end of the chain structure is a compound different from the compound of the present embodiment. is produced simultaneously with the compound of the present embodiment to obtain a mixture, and then, if necessary, a specific single compound may be separated from the mixture using a known method.
- the compound of this embodiment has a chain structure in which an aromatic ring group, an ether oxygen, a methylene group, an aromatic ring group, a methylene group, an ether oxygen, and an aromatic ring group are bonded in this order.
- This chain structure is a mesogenic group that exhibits liquid crystallinity, and has a structure in which an aromatic ring group that imparts rigidity and a methylene group and ether oxygen that imparts mobility are arranged in a specific order. .
- a hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure, and the aromatic ring group arranged at the second end of the chain structure
- a terminal group selected from a hydroxyl group, an amino group, an amide group, and a carboxyl group is bonded to the carbon of . Therefore, by polymerizing a resin composition containing the compound of the present embodiment, a cured product having a smectic liquid crystal structure resulting from the mesogenic structure of the compound and having high thermal conductivity with suppressed phonon scattering can be obtained.
- the compound of the present embodiment has excellent solubility because the hydroxymethyl group is bonded to the carbon of the aromatic ring group arranged at the first end of the chain structure.
- the resin composition of this embodiment contains the compound of this embodiment mentioned above.
- the resin composition of this embodiment may contain only one kind of compound of this embodiment, or may contain two or more kinds thereof.
- the resin composition of the present embodiment preferably contains other components as needed along with the compound of the present embodiment.
- an aromatic ring group, an ether oxygen, a methylene group, an aromatic ring group, a methylene group, an ether oxygen, and an aromatic ring group are combined in this order to form a chain
- One or more compounds having a structure are included.
- one terminal group selected from a hydroxyl group, an amino group, an amide group, and a carboxyl group is attached to the carbon atoms of the aromatic ring groups arranged at both ends of the chain structure. Bonding compounds and compounds in which hydroxymethyl groups are bonded to the carbon atoms of the aromatic ring groups arranged at both ends of the above-mentioned chain structure are exemplified.
- the resin composition of this embodiment may contain an epoxy resin and the compound of this embodiment.
- the compound of this embodiment functions as a curing agent for the epoxy resin.
- epoxy resins include 4,4'-biphenol diglycidyl ether, 3,3',5,5'-tetramethyl-4,4'-bis(glycidyloxy)-1,1'-biphenyl, triglycidyl Isocyanurate, triglycidyl-p-aminophenol, 1,6-bis(2,3-epoxypropan-1-yloxy)naphthalene, cresol novolak epoxy resin, novolak epoxy resin, bisphenol A type epoxy resin, bisphenol F type Known epoxy compounds such as epoxy resins, naphthalene-type epoxy resins, tetraglycidyldiaminodiphenylmethane-type epoxy resins can be used, and commercially available epoxy resins can also be used.
- Epoxy resin may contain only 1 type, and may contain 2 or more
- the resin composition of the present embodiment may contain other resin components as necessary along with the compound of the present embodiment and the epoxy resin.
- Other resin components include compounds having an amino group such as p-phenylenediamine, compounds having an amide group such as sulfanilamide, and compounds such as phenolic resins. These other resin components may contain only one type, or may contain two or more types.
- the resin composition of the present embodiment may contain a curing accelerator together with the compound of the present embodiment, if necessary.
- a curing accelerator for example, when the resin composition of the present embodiment contains an epoxy resin and the compound of the present embodiment, a basic organic compound having a high boiling point can be used.
- Specific examples of curing accelerators include those having a boiling point of 200° C. or higher selected from tertiary amines, tertiary phosphines, 4-dimethylaminopyridine (DMAP), imidazoles, and the like.
- 2-ethyl-4-methylimidazole (2E4MZ) and 1-(2-cyanoethyl)-2-phenylimidazole which are imidazole-based epoxy resin curing accelerators, are particularly used as curing accelerators for ease of handling. It is preferable to use
- the resin composition of the present embodiment may contain a curing agent together with the compound of the present embodiment, if necessary.
- Curing agents include, for example, p-phenylenediamine, 1,5-diaminonaphthalene, hydroquinone, 2,6-dihydroxynaphthalene, phloroglucinol, 4-hydroxybenzoic acid, 6-hydroxy-2-naphthoic acid, 4-amino Examples include benzoic acid, phenolic resins, polyamidoamines, and the like.
- the curing agent it is particularly preferable to use 4-aminobenzoic acid among the above, since a cured product having higher thermal conductivity can be obtained.
- the resin composition of the present embodiment may contain inorganic particles, if necessary.
- inorganic particles include boron nitride particles, magnesium oxide particles, alumina particles, aluminum hydroxide particles, aluminum nitride particles, silica particles, and the like. As the inorganic particles, only one of these may be contained alone, or two or more thereof may be contained.
- the content of inorganic particles is preferably 200 to 700 parts by mass, more preferably 300 to 600 parts by mass, based on a total of 100 parts by mass of resin composition components other than inorganic particles.
- the content of the inorganic particles is 200 parts by mass or more, the effect of improving the thermal conductivity of the cured product of the resin composition becomes remarkable. Further, when the content of the inorganic particles is 700 parts by mass or less, sufficient moldability can be obtained when molding a resin substrate using a cured product of the resin composition.
- the resin composition of this embodiment may contain a solvent, if necessary.
- solvents include ketones such as acetone and methyl ethyl ketone (MEK); alcohols such as methanol, ethanol and isopropanol; aromatic compounds such as toluene and xylene; ethers such as tetrahydrofuran (THF) and 1,3-dioxolane; Examples include esters such as ethyl acetate and ⁇ -butyrolactone, and amides such as N,N-dimethylformamide (DMF) and N-methylpyrrolidone.
- the solvent only one kind of these may be used alone, or two or more kinds may be used in combination.
- the resin composition of the present embodiment may contain optional components other than the components described above, if necessary.
- Optional components include coupling agents such as silane coupling agents and titanate coupling agents, flame retardants such as halogens, plasticizers, and lubricants.
- the resin composition of the present embodiment can be produced, for example, by a method of mixing the compound of the present embodiment described above and other components contained as necessary. Since the resin composition of the present embodiment contains the compound of the present embodiment described above, a polymer (cured product) having high thermal conductivity can be obtained by polymerizing the resin composition.
- FIG. 1 is a perspective view showing an example of the resin sheet and resin substrate of the present invention.
- the resin sheet 12 shown in FIG. 1 is a sheet obtained by molding the resin composition of the present embodiment.
- the resin sheet 12 may contain the resin composition as it is, or may contain a part or all of the resin composition in a B-stage (semi-cured) state.
- FIG. 2 is a cross-sectional view of the resin sheet and resin substrate shown in FIG. 1 taken along line II-II.
- FIG. 2 shows a cross section of the resin sheet 12 cut along the thickness direction.
- the resin sheet 12 contains a core material 30 and a resin component 22 impregnated into the core material 30 and covering both surfaces of the core material 30 .
- ⁇ in FIG. 2 indicates glass fibers contained in the core material 30 .
- the resin component 22 may be an uncured resin composition, or may be partially or wholly a semi-cured resin composition.
- woven fabric or non-woven fabric can be used as the core material 30, for example.
- Materials for the woven fabric and non-woven fabric are not limited to the glass fiber shown in FIG. At least one kind of selected fiber and the like can be mentioned.
- the resin sheet 12 can be manufactured as follows.
- the core material 30 is impregnated with the resin composition by a technique such as coating or dipping.
- the core material 30 is impregnated with the resin composition and then dried by heating to remove the solvent.
- the heating conditions for removing the solvent in the resin composition may be, for example, 60 to 150° C. for 1 to 120 minutes, preferably 70 to 120° C. for 3 to 90 minutes.
- the resin impregnated in the core material 30 is heated to remove the solvent in the resin composition.
- Part or all of the composition is cured to be in a semi-cured state.
- part or all of the resin composition impregnated in the core material 30 under the same conditions as the heating for removing the solvent in the resin composition. may be cured into a semi-cured state.
- the resin sheet 12 shown in FIG. 1 is obtained by molding the resin composition of the present embodiment, a resin cured product having high thermal conductivity can be obtained by heat-treating the sheet to cure the resin composition. . Therefore, the resin sheet 12 shown in FIG. 1 is suitable as a material for the resin substrate.
- the resin sheet 12 of the present embodiment can be used as a precursor of a resin substrate (resin cured product) containing a cured product of a resin composition.
- the resin sheet 12 having the core material 30 as shown in FIG. 2 has been described as an example. It may be formed only of a resin component. Moreover, metal foil such as copper foil may be laminated on the surface of the resin sheet.
- the resin substrate 10 (cured resin material) of the present embodiment shown in FIGS. 1 and 2 is obtained by thermally curing the resin component 22 contained in the resin sheet 12. including.
- the resin substrate 10 of the present embodiment can be manufactured by using the resin sheet 12 of the present embodiment described above as a precursor and heating the resin sheet 12 . Specifically, the resin sheet 12 of the present embodiment is heated to thermally cure the resin component 22 in an uncured state or a semi-cured state to obtain a cured product 20 .
- the heating conditions for curing the resin component 22 are preferably, for example, 100 to 250° C. for about 1 to 300 minutes. Heating for curing the resin component 22 may be performed under increased pressure or reduced pressure as required.
- the resin substrate 10 of the present embodiment is a cured resin containing the cured resin composition of the present embodiment, and thus has high thermal conductivity.
- the cured resin and resin substrate of the present invention may be composed of only the cured resin composition.
- the resin cured product and the resin substrate of the present invention may be produced by heating an amorphous resin composition, for example, as in the case of using the resin composition as an adhesive.
- FIG. 3 is a perspective view showing an example of the laminated substrate of the present invention.
- FIG. 4 is a cross-sectional view taken along line IV-IV of the laminated substrate shown in FIG.
- FIG. 4 shows a cross section taken along the lamination direction of the laminated substrate.
- a laminated substrate 50 is formed by laminating and integrating a plurality of resin substrates 10 shown in FIG.
- the laminated substrate 50 can be manufactured, for example, by heating a plurality of resin substrates 10 in a state of being superimposed.
- the laminated substrate 50 is manufactured by a method in which a plurality of resin sheets 12 are superimposed and heated to thermally cure the uncured or semi-cured resin component to form a cured product 20. good too.
- the heating conditions for the plurality of resin substrates 10 and the heating conditions for the plurality of resin sheets 12 can be, for example, 100 to 250° C. for about 1 to 300 minutes.
- the pressurizing condition can be, for example, about 0.1 to 10 MPa. Pressurization is not essential when heating the plurality of resin substrates 10 or the plurality of resin sheets 12 . Moreover, the heating of the plurality of resin substrates 10 or the plurality of resin sheets 12 may be performed under reduced pressure or vacuum.
- the laminated substrate 50 of the present embodiment has a high thermal conductivity because the resin substrates 10 are laminated.
- At least one of the resin substrates may be a resin substrate containing a cured product of the resin composition of the present invention.
- the laminated substrate of the present invention may be, for example, a metal-clad laminate having a metal layer on the upper surface and/or the lower surface.
- various known metal layers can be appropriately selected and used as the metal layer.
- a metal plate or metal foil made of metal such as copper, nickel, or aluminum can be used as the metal layer.
- the thickness of the metal layer is not particularly limited, and can be, for example, about 3 to 150 ⁇ m.
- a metal plate or a metal foil subjected to etching and/or perforation processing may be used.
- the obtained suspension was poured into water, stirred for 30 minutes, and the generated precipitate was collected by filtration.
- the collected precipitate was vacuum dried over 12 hours, dissolved in chloroform, and the first effluent was collected by silica gel chromatography.
- the solvent was removed from the first effluent to obtain the first precursor compounds of Synthesis Examples 1-19.
- the obtained first precursor compound was subjected to size exclusion chromatography (SEC) analysis to determine the number average molecular weight (Mn).
- the first precursor compound (0.02 mol) and the third raw material (0.02 mol) shown in Table 1 were weighed into a three-necked flask and dissolved in 1 L of tetrahydrofuran (THF) to form a second mixed solution. Obtained. After that, the second mixed solution was refluxed in a nitrogen stream to remove dissolved oxygen in the second mixed solution. Next, potassium carbonate (0.02 mol) was added to the second mixed solution, and the reaction was carried out while maintaining the reflux state for 12 hours.
- THF tetrahydrofuran
- the obtained suspension was poured into water, stirred for 30 minutes, and the generated precipitate was collected by filtration.
- the collected precipitate was dried under vacuum for 12 hours, dissolved in chloroform, and a second effluent was collected by silica gel chromatography. The solvent was removed from the second effluent to obtain the second precursor compounds of Synthesis Examples 1-19.
- the obtained second precursor compound was subjected to SEC analysis to determine the number average molecular weight (Mn).
- the second precursor compound (0.01 mol) and the fourth raw material (0.01 mol) shown in Table 1 were weighed into a three-necked flask and dissolved in 1 L of tetrahydrofuran (THF) to form a third mixed solution. Obtained. After that, the third mixed solution was refluxed in a nitrogen stream to remove dissolved oxygen in the third mixed solution. Next, potassium carbonate (0.01 mol) was added to the third mixed solution and reacted while maintaining the reflux state for 12 hours.
- THF tetrahydrofuran
- Synthesis Examples 20 to 39 were synthesized in the same manner as the first precursor compound of Synthesis Example 1, except that the first raw material, the second raw material, and potassium carbonate shown in Table 2 were used in the proportions shown in Table 2. to obtain a first precursor compound of The obtained first precursor compound was subjected to size exclusion chromatography (SEC) analysis to determine the number average molecular weight (Mn).
- SEC size exclusion chromatography
- the first precursor compound (0.02 mol) and the fourth raw material (0.02 mol) shown in Table 2 were weighed into a three-necked flask and dissolved in 1 L of tetrahydrofuran (THF) to form a second mixed solution. Obtained. After that, the second mixed solution was refluxed in a nitrogen stream to remove dissolved oxygen in the second mixed solution. Next, potassium carbonate (0.02 mol) was added to the second mixed solution, and the reaction was carried out while maintaining the reflux state for 12 hours.
- THF tetrahydrofuran
- the obtained suspension was poured into water, stirred for 30 minutes, and the generated precipitate was collected by filtration.
- the collected precipitate was dried under vacuum for 12 hours, dissolved in chloroform, and a second effluent was collected by silica gel chromatography. The solvent was removed from the second effluent to obtain the second precursor compounds of Synthesis Examples 20-39.
- the obtained second precursor compound was subjected to SEC analysis to determine the number average molecular weight (Mn).
- the second precursor compound (0.01 mol) and the third raw material (0.01 mol) shown in Table 2 were weighed into a three-necked flask and dissolved in 1 L of tetrahydrofuran (THF) to form a third mixed solution. Obtained. After that, the third mixed solution was refluxed in a nitrogen stream to remove dissolved oxygen in the third mixed solution. Next, potassium carbonate (0.01 mol) was added to the third mixed solution and reacted while maintaining the reflux state for 12 hours.
- THF tetrahydrofuran
- the obtained suspension was poured into water, stirred for 30 minutes, and the generated precipitate was collected by filtration.
- the collected precipitate was vacuum-dried for 12 hours to obtain the third precursor compounds of Synthesis Examples 20 to 39.
- the obtained third precursor compound was subjected to SEC analysis to determine the number average molecular weight (Mn).
- the third precursor compounds (0.01 mol) of Synthesis Examples 20 to 36 were weighed into a three-necked flask and dissolved in 1 L of tetrahydrofuran (THF) to obtain a fourth mixed solution. Thereafter, the fourth mixed solution was refluxed in a nitrogen stream to remove dissolved oxygen in the fourth mixed solution. Next, potassium hydroxide (0.01 mol) and water (10 mL) were added to the fourth mixed solution, and the reaction was carried out while maintaining the reflux state for 12 hours. After completion of the reaction, the resulting suspension was poured into water, neutralized with hydrochloric acid to pH 2 or less, stirred for 30 minutes, and the formed precipitate was collected by filtration. The collected precipitate was vacuum-dried for 12 hours to obtain the compounds of Synthesis Example 20 and Synthesis Examples 22 to 36 represented by the general formula (2).
- THF tetrahydrofuran
- the third precursor compounds (0.01 mol) of Synthesis Examples 37 to 39 were weighed into a 3-necked flask, and 1 L of benzyl alcohol and iron (3 g) were added to obtain a reaction mixture.
- the reaction mixture was heated to 80° C. and concentrated hydrochloric acid (15 mL) was added using a dropping funnel over 30 minutes, refluxed for 1 hour and then allowed to cool to room temperature.
- the reaction mixture was poured into water, and a 2 mol/L sodium hydroxide aqueous solution was added while stirring until the pH reached 7 or higher.
- the first precursor compound (0.01 mol) was weighed into a three-necked flask and dissolved in 1 L of tetrahydrofuran (THF) to obtain a second mixed solution.
- sodium bicarbonate (0.01 mol) and 10 mL of water were added to the second mixed solution, and the mixture was reacted while maintaining the reflux state for 12 hours.
- the resulting suspension was poured into water, stirred for 30 minutes, and the precipitate formed was collected by filtration. The collected precipitate was vacuum-dried for 12 hours to obtain the compounds of Synthesis Examples 40 to 68 represented by the general formula (3).
- Synthesis Examples 69 to 75 were synthesized in the same manner as the first precursor compound of Synthesis Example 1, except that the first raw material, the second raw material, and potassium carbonate shown in Table 4 were used in the proportions shown in Table 4. to obtain a first precursor compound of The obtained first precursor compound was subjected to size exclusion chromatography (SEC) analysis to determine the number average molecular weight (Mn).
- SEC size exclusion chromatography
- the first precursor compound (0.02 mol) and the fourth raw material (0.02 mol) shown in Table 4 were weighed into a three-necked flask and dissolved in 1 L of tetrahydrofuran (THF) to form a second mixed solution. Obtained. After that, the second mixed solution was refluxed in a nitrogen stream to remove dissolved oxygen in the second mixed solution. Next, potassium carbonate (0.02 mol) was added to the second mixed solution, and the reaction was carried out while maintaining the reflux state for 12 hours.
- THF tetrahydrofuran
- the obtained suspension was poured into water, stirred for 30 minutes, and the generated precipitate was collected by filtration.
- the collected precipitate was dried under vacuum for 12 hours, dissolved in chloroform, and a second effluent was collected by silica gel chromatography. The solvent was removed from the second effluent to obtain the second precursor compounds of Synthesis Examples 69-75.
- the obtained second precursor compound was subjected to SEC analysis to determine the number average molecular weight (Mn).
- the second precursor compound was weighed into a three-necked flask and dissolved in 1 L of tetrahydrofuran (THF) to obtain a third mixed solution.
- the third mixed solution was refluxed in a nitrogen stream to remove dissolved oxygen in the third mixed solution.
- sodium bicarbonate (0.01 mol) and 10 mL of water were added to the third mixed solution, and the mixture was reacted while maintaining the reflux state for 12 hours.
- the resulting suspension was poured into water, stirred for 30 minutes, and the precipitate formed was collected by filtration. The collected precipitate was vacuum-dried for 12 hours to obtain the compounds of Synthesis Examples 69 to 73 and 75 represented by the general formula (4).
- 3-1 to 3-14 in the third raw materials shown in Tables 1 and 2 are the following compounds.
- [Third raw material] (3-1) 2,6-difluoro-4-hydroxy-benzyl alcohol (2,6-difluoro-4-hydroxy-Benzenemethanol) (3-2) 2-fluoro-4-hydroxy-benzyl alcohol (2-fluoro-4-hydroxy-Benzenemethanol) (3-3) 3-bromo-4-hydroxy-benzyl alcohol (3-bromo-4-hydroxy-Benzenemethanol) (3-4) 4-hydroxy-3-nitro-benzyl alcohol (4-hydroxy-3-nitro-benzenemethanol) (3-5) 4-hydroxy-3-methyl-benzyl alcohol (4-hydroxy-3-methyl-Benzenemethanol) (3-6) 4-hydroxy-3,5-dimethyl-benzyl alcohol (4-hydroxy-3,5-dimethyl-benzenemethanol)
- 4-1 to 5-24 in the fourth raw materials shown in Tables 1, 2 and 4 are the following compounds.
- [Fourth raw material] (4-1) Hydroquinone (4-2) 2-fluoro-1,4-benzenediol (4-3) 2,3,5,6-tetrafluoro-1,4-benzenediol (2,3,5,6-tetrafluoro-1,4-Benzenediol) (4-4) 2,3-difluoro-1,4-benzenediol (4-5) Methyl 4-Hydroxybenzoate (4-6) p-aminophenol (4-Aminophenol) (4-7) 4-(bromomethyl)-Benzoic acid methyl ester (4-8) 4-(bromomethyl)-3-fluoro-benzoic acid methyl ester
- the compounds of Synthesis Examples 1 to 75 thus obtained were analyzed by Size Exclusion Chromatography (SEC method) using a molecular weight analyzer (GPC-104, manufactured by Shodex). .
- a sample solution for analysis was prepared by the method shown below. 2 mg of each of the compounds of Synthesis Examples 1 to 75 was taken, added to 10 mL of tetrahydrofuran (THF), and shaken with a vibrator for 7 hours. The shaken solution was heated in an oven at 55° C. for 2 hours and allowed to stand. Then, it was filtered using a polytetrafluoroethylene (PTFE) filter with a pore size of 0.45 ⁇ m, and the filtrate was used as a sample solution for analysis.
- PTFE polytetrafluoroethylene
- THF containing 0.03% by mass of BHT (dibutylhydroxytoluene)
- BHT dibutylhydroxytoluene
- a UV (ultraviolet) detector with a wavelength of 254 nm was used as a detector.
- Polystyrene was used as a standard material.
- the structures of Synthesis Examples 1 to 75 identified from the above analysis results are shown below.
- the compounds of Synthesis Examples 1 to 19 were compounds represented by the general formula (1).
- Table 9 shows Ar 1 , Ar 2 , Ar 3 , Ar 4 and Z in Formula (1).
- the compounds of Synthesis Examples 20 to 39 were compounds represented by the general formula (2).
- Table 10 shows Ar 1 , Ar 2 , Ar 3 , Ar 4 and Z in formula (2).
- the compounds of Synthesis Examples 40 to 68 were compounds represented by the general formula (3).
- Table 11 shows Ar 1 , Ar 2 , Ar 3 , Ar 4 and Z in formula (3).
- the compounds of Synthesis Examples 69 to 75 were compounds represented by the general formula (4).
- Table 12 shows Ar 1 , Ar 2 , Ar 3 , Ar 4 and Z in formula (4).
- Example 1 to Example 83 The epoxy resins shown in Tables 13 to 16, the compounds shown in Tables 13 to 16 as curing agents, and the curing accelerators shown in Tables 13 to 16 were mixed in proportions shown in Tables 13 to 16, respectively. , to obtain resin compositions of Examples 1 to 83.
- Example 84 As a curing agent, the compound of Synthesis Example 40 and the compound represented by the following formula (A) (number average molecular weight (Mn) 1728, weight average molecular weight (Mw) 3300) were mixed at a mass ratio of 1:1. The epoxy resin shown in Table 16 and the curing accelerator shown in Table 16 were mixed in the proportions shown in Table 16, respectively, to obtain a resin composition of Example 84.
- A number average molecular weight (Mn) 1728, weight average molecular weight (Mw) 3300
- epoxy resins and curing accelerators shown in Tables 13 to 17 are the following compounds.
- Example 85 to Example 93 As a curing agent, the compound of Synthesis Example 40 or Synthesis Example 75 and the compound represented by the above formula (A) (number average molecular weight (Mn) 1728, weight average molecular weight (Mw) 3300) were mixed at a mass ratio of 1:1.
- the bismaleimide compound shown in Table 17 and the curing accelerator shown in Table 17 were mixed at the ratio shown in Table 17, respectively, to obtain resin compositions of Examples 85 to 93.
- the curing agent and the bismaleimide compound shown in Table 17 were heated to 150° C. and melt-mixed. A hardening accelerator was added thereto and mixed quickly. Thereafter, the resulting mixture was reacted at 150° C. for 1 hour and at 180° C. for an additional 1 hour to prepare cured products (resin compositions of Examples 85 to 93).
- the density, specific heat, and thermal diffusivity of the resin cured product were measured by the methods described below, and the thermal conductivity was determined by multiplying them. Density was determined using the Archimedes method. Specific heat was determined using a differential scanning calorimeter (DSC) (manufactured by Hitachi High-Tech Science). The thermal diffusivity was obtained using a xenon flash thermal diffusivity measurement device (Advance Riko). A measurement sample manufactured by the method described below was used for the measurement of the thermal diffusivity. Specifically, the cured resin was melt-mixed in an aluminum cup at a temperature of 150° C. and cooled to room temperature. After that, the uncured resin composition was cured by heating at 150° C. for 12 hours. The obtained resin cured product was processed into a cylinder having a diameter of 10 mm and a thickness of 0.5 mm to obtain a sample for measurement.
- the cured products of the resin compositions of Examples 1 to 93 all have a thermal conductivity of 0.4 W / (m K) or more, and the thermal conductivity is high. It was something.
- a cured product with higher thermal conductivity can be obtained.
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Abstract
Description
本願は、2021年3月31日に、日本に出願された特願2021-061845号に基づき優先権を主張し、その内容をここに援用する。
電子部品で発生した熱は、主に基板を通して外部に放熱されている。樹脂基板を積層した電源用の積層基板では、特に高い放熱性が要求される。このため、樹脂基板中にアルミナ、窒化ホウ素、酸化マグネシウムなどの無機粒子を添加して、樹脂基板の熱伝導性を高めている。例えば、特許文献1には、エポキシ樹脂と硬化剤と無機フィラーを含有するエポキシ樹脂組成物が記載されている。
また、特許文献2には、少なくとも2官能エポキシ樹脂とビフェノール化合物とを反応させて得られるエポキシ樹脂の混合物が開示されている。
特許文献3には、フィラーと分子内にメソゲン基を有する熱硬化性樹脂とを含む樹脂組成物が開示されている。
本発明は、上記課題に鑑みてなされたものであり、熱伝導率の高い硬化物の得られる樹脂組成物の材料として使用される化合物を提供することを課題とする。
また、本発明は、本発明の化合物を含み、熱伝導率の高い硬化物の得られる樹脂組成物、樹脂シート、樹脂硬化物および積層基板を提供することを課題とする。
その結果、置換基を有してもよい芳香族環基とエーテル酸素とメチレン基とが特定の順序で結合された鎖状構造を有し、鎖状構造の第1末端に配置された前記芳香族環基の炭素に、ヒドロキシメチル基が結合し、鎖状構造の第2末端に配置された前記芳香族環基の炭素に、水酸基、アミノ基、アミド基、カルボキシル基から選ばれるいずれか1種の末端基が結合している化合物とすればよいことを見出した。
すなわち、本発明は、以下の発明に関わる。
前記鎖状構造の第1末端に配置された前記芳香族環基の炭素に、ヒドロキシメチル基が結合し、
前記鎖状構造の第2末端に配置された前記芳香族環基の炭素に、水酸基、アミノ基、アミド基、カルボキシル基から選ばれるいずれか1種の末端基が結合している化合物。
第2芳香族環基と、前記第2芳香族環基に結合する2つのメチレン基とからなる第2芳香族環ユニットと、
第3芳香族環基と、前記第3芳香族環基に結合するヒドロキシメチル基とからなる第3芳香族環ユニットと、
第4芳香族環基と、前記第4芳香族環基に結合する前記末端基とからなる第4芳香族環ユニットと、を含み、
前記鎖状構造が、前記第1芳香族環ユニットと前記第2芳香族環ユニットとが交互に配置され、両端に前記第1芳香族環ユニットが配置された骨格を有し、前記骨格の第1末端にメチレン基によって前記第3芳香族環基が結合され、前記骨格の第2末端にメチレン基によって前記第4芳香族環基が結合されている、
または前記鎖状構造が、前記第1芳香族環ユニットと前記第2芳香族環ユニットとが交互に配置され、両端に前記第2芳香族環ユニットが配置された骨格を有し、前記骨格の第1末端にエーテル酸素によって前記第3芳香族環基が結合され、前記骨格の第2末端にエーテル酸素によって前記第4芳香族環基が結合されている[1]に記載の化合物。
第2芳香族環基と、前記第2芳香族環基に結合する2つのメチレン基とからなる第2芳香族環ユニットと、
第3芳香族環基と、前記第3芳香族環基に結合するヒドロキシメチル基とからなる第3芳香族環ユニットと、
第4芳香族環基と、前記第4芳香族環基に結合する前記末端基とからなる第4芳香族環ユニットと、を含み、
前記鎖状構造が、前記第1芳香族環ユニットと前記第2芳香族環ユニットとが交互に配置された骨格を有し、
前記第1芳香族環ユニット側の末端にメチレン基によって前記第3芳香族環基が結合され、前記第2芳香族環ユニット側の末端にエーテル酸素によって前記第4芳香族環基が結合されている、
または前記第1芳香族環ユニット側の末端にメチレン基によって前記第4芳香族環基が結合され、前記第2芳香族環ユニット側の末端にエーテル酸素によって前記第3香族環基が結合されている[1]に記載の化合物。
[7]前記第1芳香族環基と前記第4芳香族環基とが同一であり、
前記第2芳香族環基が、パラフェニレン基である[2]~[5]のいずれかに記載の化合物。
前記R1~前記R4が水素であり、
前記R5~前記R8のうちいずれか1つがメチル基で他が水素であり、
前記R9~前記R12のうちいずれか1つがメチル基で他が水素である[8]に記載の化合物。
[11]芳香族環基、エーテル酸素、メチレン基、芳香族環基、メチレン基、エーテル酸素、芳香族環基が、この順に結合された鎖状構造を有し、
前記鎖状構造の両末端に配置された前記芳香族環基の炭素に、水酸基、アミノ基、アミド基、カルボキシル基から選ばれるいずれか1種の末端基がそれぞれ結合している化合物と、前記鎖状構造の両末端に配置された前記芳香族環基の炭素にヒドロキシメチル基が結合している化合物のうち一方または両方を含む[10]に記載の樹脂組成物。
前記硬化剤が、[1]~[9]のいずれかに記載の化合物を含む樹脂組成物。
[14][10]~[12]のいずれかに記載の樹脂組成物の硬化物を含む樹脂硬化物。
[15]複数の樹脂基板が積層されてなり、前記複数の樹脂基板のうち、少なくとも一つが[14]に記載の樹脂硬化物である積層基板。
本実施形態の化合物は、芳香族環基、エーテル酸素、メチレン基、芳香族環基、メチレン基、エーテル酸素、芳香族環基が、この順に結合された鎖状構造を有する。
本実施形態の化合物では、鎖状構造の第1末端に配置された芳香族環基の炭素に、ヒドロキシメチル基が結合し、鎖状構造の第2末端に配置された芳香族環基の炭素に、水酸基、アミノ基、アミド基、カルボキシル基から選ばれるいずれか1種の末端基が結合している。
第1芳香族環ユニットは、第1芳香族環基と、第1芳香族環基に結合する2つのエーテル酸素とからなる。
第2芳香族環ユニットは、第2芳香族環基と、第2芳香族環基に結合する2つのメチレン基とからなる。
第3芳香族環ユニットは、第3芳香族環基と、第3芳香族環基に結合するヒドロキシメチル基とからなる。
第4芳香族環ユニットは、第4芳香族環基と、第4芳香族環基に結合する末端基とからなる。
本実施形態の化合物における鎖状構造は、第1芳香族環ユニットと第2芳香族環ユニットとが交互に配置され、両端に第2芳香族環ユニットが配置された骨格を有していてもよい。この場合、骨格の第1末端にエーテル酸素によって第3芳香族環基が結合され、骨格の第2末端にエーテル酸素によって第4芳香族環基が結合されていることが好ましい。
このような骨格を有する場合、第1芳香族環ユニット側の末端にメチレン基によって第3芳香族環基が結合され、第2芳香族環ユニット側の末端にエーテル酸素によって第4芳香族環基が結合されていることが好ましい。また、第1芳香族環ユニット側の末端にメチレン基によって第4芳香族環基が結合され、第2芳香族環ユニット側の末端にエーテル酸素によって第3香族環基が結合されていることも好ましい。
また、本実施形態の化合物が複数の第2芳香族環基を有する場合、複数の第2芳香族環基は、それぞれ異なるものであってもよいし、一部または全部が同じであってもよい。複数の第2芳香族環基が全て同じである化合物は、容易に製造できるため、好ましい。
また、本実施形態の化合物における第2芳香族環基が、置換基を有さないパラフェニレン基であると、原料の入手が容易であるとともに、低融点で溶媒への溶解性が良好な化合物となる。
第2芳香族環ユニットは、上記の第2芳香族環基(式(1)~(4)においてAr2で示される)と、第2芳香族環基に結合する2つのメチレン基とを有する。
第3芳香族環ユニットは、上記の第3芳香族環基(式(1)~(4)のAr3で示される)と、ヒドロキシメチル基(式(1)~(4)において-CH2-OHで示される)とからなる。
第4芳香族環ユニットは、上記の第4芳香族環基(式(1)~(4)のAr4で示される)と、末端基(式(1)~(4)においてZで示される)とからなる。
また、一般式(4)で表される化合物は、第1芳香族環ユニットと、第2芳香族環ユニットとが鎖状に交互に配置された骨格を有する。一般式(4)で表される化合物では、第1芳香族環ユニット側の末端にメチレン基によって第3香族環基が結合され、第2芳香族環ユニット側の末端にエーテル酸素によって第4芳香族環基が結合されている。
本実施形態の化合物が、繰り返し単位の数が異なる複数種の化合物を含む混合物である場合、混合物に含まれる化合物の繰り返し単位の数の平均値である平均重合度は、1.0~6.0であることが好ましく、2.0~5.0であることがより好ましい。平均重合度が1.0以上であると、この化合物を含む樹脂組成物は、より熱伝導性の高い重合物が得られるものとなる。また、平均重合度が6.0以下であると、溶媒への溶解性がより良好な化合物となる。
本実施形態の化合物においては、用途などに応じて末端基の種類を適宜選択できる。このことにより、本実施形態の化合物を含む樹脂組成物中において、他の単量体などとの反応性を調整できる。
本実施形態の化合物は、例えば、以下に示す方法により製造できる。本実施形態では、化合物の製造方法として、一般式(1)~一般式(4)で表される化合物の製造方法を例に挙げて説明する。
2つのフェノール性水酸基を有する芳香族化合物である第1原料と、モノハロゲン化メチル基を有する芳香族化合物である第2原料とを用意する。
そして、第1原料と第2原料とを、炭酸カリウムを用いて二分子求核置換反応(SN2反応)させて、本実施形態の化合物における鎖状構造の由来となる骨格を有する第1前駆体化合物を合成する。このとき、第1原料よりも第2原料のモル比を多くすることにより、両端に第2原料に由来する構造が配置された骨格を有する第1前駆体化合物を製造する。第1原料と第2原料とを反応させる条件は、第1原料と第2原料との組み合わせに応じて適宜決定でき、特に限定されない。
本実施形態の化合物の製造方法において使用される第3原料は、ヒドロキシメチル基を有する芳香族化合物であり、製造する化合物における第3芳香族環基の構造などに応じて適宜選択される。
第2前駆体化合物と第4原料とを反応させる条件は、第2前駆体化合物と第4原料との組み合わせに応じて適宜決定でき、特に限定されない。
本実施形態の化合物の製造方法において使用される第4原料は、末端基の由来となる構造を有する芳香族化合物であり、製造する化合物における第4芳香族環基の構造および末端基の構造などに応じて適宜選択される。
一般式(1)で表される化合物の製造方法と同様に、2つのフェノール性水酸基を有する芳香族化合物である第1原料と、モノハロゲン化メチル基を有する芳香族化合物である第2原料とを用意する。
そして、一般式(1)で表される化合物の製造方法と同様に、第1原料と第2原料とを、炭酸カリウムを用いて二分子求核置換反応(SN2反応)させて、本実施形態の化合物における鎖状構造の由来となる骨格を有する第1前駆体化合物を合成する。
一般式(2)で表される化合物を製造する場合において使用される第1原料および第2材料としては、一般式(1)で表される化合物の製造方法と同様のものを用いることができる。
本実施形態の化合物の製造方法において使用される第4原料は、末端基の由来となる構造を有する芳香族化合物であり、製造する化合物における第4芳香族環基の構造などに応じて適宜選択される。
本実施形態の化合物の製造方法において使用される第3原料は、ヒドロキシメチル基を有する芳香族化合物であり、製造する化合物における第3芳香族環基の構造および末端基の構造などに応じて適宜選択される。
その後、第3前駆体化合物と、式(2)においてZで示される末端基の由来となる構造を有する化合物とを反応させることにより、一般式(2)で表される化合物が得られる。
一般式(1)および一般式(2)で表される化合物の製造方法と同様に、2つのフェノール性水酸基を有する芳香族化合物である第1原料と、モノハロゲン化メチル基を有する芳香族化合物である第2原料とを用意する。
そして、一般式(1)および一般式(2)で表される化合物の製造方法と同様に、第1原料と第2原料とを、炭酸カリウムを用いて二分子求核置換反応(SN2反応)させて、本実施形態の化合物における鎖状構造の由来となる骨格を有する第1前駆体化合物を合成する。
一般式(3)で表される化合物を製造する場合において使用される第1原料および第2材料としては、一般式(1)および一般式(2)で表される化合物の製造方法と同様のものを用いることができる。
第1芳香族環基と第4芳香族環基とが同じで、第2芳香族環基と第3芳香族環基とが同じであって、一般式(3)で表される化合物における末端基が水酸基である場合、第1前駆体化合物が、本実施形態の一般式(3)で表される化合物となる。
一般式(1)~一般式(3)で表される化合物の製造方法と同様に、2つのフェノール性水酸基を有する芳香族化合物である第1原料と、モノハロゲン化メチル基を有する芳香族化合物である第2原料とを用意する。
そして、一般式(1)~一般式(3)で表される化合物の製造方法と同様に、第1原料と第2原料とを、炭酸カリウムを用いて二分子求核置換反応(SN2反応)させて、本実施形態の化合物における鎖状構造の由来となる骨格を有する第1前駆体化合物を合成する。
一般式(4)で表される化合物を製造する場合において使用される第1原料および第2材料としては、一般式(1)~一般式(3)で表される化合物の製造方法と同様のものを用いることができる。
本実施形態の化合物の製造方法において使用される第4原料は、末端基の由来となる構造を有する芳香族化合物であり、製造する化合物における第4芳香族環基の構造などに応じて適宜選択される。
その後、第2前駆体化合物中の式(4)において第3芳香族環基となる芳香族環基に、ヒドロキシメチル基を導入することにより、一般式(4)で表される化合物が得られる。
本実施形態の化合物を含む樹脂組成物を用いて重合物を製造する場合、用途など必要に応じて、本実施形態の化合物とは異なる化合物を混合して用いることが好ましい場合がある。鎖状構造の第1末端および/または第2末端に配置された芳香族環基の炭素に結合した末端基が、本実施形態の化合物とは異なる化合物を、本実施形態の化合物と同時に生成させる場合、本実施形態の化合物を含む樹脂組成物を製造する際に、複数種の化合物を混合する工程を行うことなく、効率よく樹脂組成物を製造できる場合がある。
また、本実施形態の化合物は、鎖状構造の第1末端に配置された芳香族環基の炭素に、ヒドロキシメチル基が結合し、鎖状構造の第2末端に配置された芳香族環基の炭素に、水酸基、アミノ基、アミド基、カルボキシル基から選ばれるいずれか1種の末端基が結合している。したがって、本実施形態の化合物を含む樹脂組成物を重合させることにより、化合物のメソゲン構造に起因するスメクチック液晶構造を有し、フォノンの散乱が抑制された高い熱伝導性を有する硬化物が得られる。また、本実施形態の化合物は、鎖状構造の第1末端に配置された芳香族環基の炭素に、ヒドロキシメチル基が結合しているので、溶解性に優れる。
本実施形態の樹脂組成物は、上述した本実施形態の化合物を含む。本実施形態の樹脂組成物は、本実施形態の化合物を1種のみ含むものであってもよいし、2種以上含むものであってもよい。
本実施形態の樹脂組成物は、本実施形態の化合物とともに、必要に応じて、その他の成分を含むことが好ましい。
エポキシ樹脂としては、例えば、4,4’-ビフェノールジグリシジルエーテル、3,3’,5,5’-テトラメチル-4,4’-ビス(グリシジルオキシ)-1,1’-ビフェニル、トリグリシジルイソシアヌレート、トリグリシジル-p-アミノフェノール、1,6-ビス(2,3-エポキシプロパン-1-イルオキシ)ナフタレン、クレゾールノボラック系エポキシ樹脂、ノボラック型エポキシ樹脂、ビスフェノールA型エポキシ樹脂、ビスフェノールF型エポキシ樹脂、ナフタレン型エポキシ樹脂、テトラグリシジルジアミノジフェニルメタン型エポキシ樹脂など公知のエポキシ化合物を用いることができ、市販のエポキシ樹脂を用いてもよい。エポキシ樹脂は、1種のみ含有してもよいし、2種以上含有してもよい。
本実施形態の樹脂組成物は、上述した本実施形態の化合物を含むため、これを重合させることにより、熱伝導率の高い重合物(硬化物)が得られる。
図1は、本発明の樹脂シートおよび樹脂基板一例を示した斜視図である。図1に示す樹脂シート12は、本実施形態の樹脂組成物を成形したシートである。樹脂シート12は、樹脂組成物をそのまま含有していてもよいし、樹脂組成物の一部または全部がBステージ(半硬化)とされた状態で含有していてもよい。
芯材30に、塗布または浸漬などの手法によって、樹脂組成物を含浸させる。樹脂組成物が溶媒を含む場合、芯材30に樹脂組成物を含浸させた後に加熱して乾燥させ、溶媒を除去する。樹脂組成物中の溶媒を除去するための加熱条件は、例えば、60~150℃で1~120分間程度とすることができ、70~120℃で3~90分間程度とすることが好ましい。
以上の工程により、未硬化または少なくとも一部が半硬化された樹脂組成物からなる樹脂成分22を有する樹脂シート12が得られる。
本実施形態の樹脂シート12は、樹脂組成物の硬化物を含む樹脂基板(樹脂硬化物)の前駆体として用いることができる。
また、樹脂シートの表面上には、銅箔などの金属箔が積層されていてもよい。
図1および図2に示す本実施形態の樹脂基板10(樹脂硬化物)は、樹脂シート12に含まれる樹脂成分22を熱硬化させたものであり、本実施形態の樹脂組成物の硬化物20を含む。
具体的には、本実施形態の樹脂シート12を加熱して、未硬化状態または半硬化状態にある樹脂成分22を熱硬化させて、硬化物20とする。樹脂成分22を硬化させるときの加熱条件は、例えば、100~250℃で1~300分間程度とすることが好ましい。樹脂成分22を硬化させるための加熱は、必要に応じて、加圧または減圧下で行ってもよい。
また、本発明の樹脂硬化物および樹脂基板は、例えば、樹脂組成物を接着剤として用いる場合のように、不定形の樹脂組成物を加熱することによって製造されたものであってもよい。
図3は、本発明の積層基板の一例を示した斜視図である。図4は、図3に示す積層基板のIV-IV線断面図である。図4は、積層基板の積層方向に沿って切断したときの断面を示している。図3および図4に示されるように、積層基板50は、図2に示す樹脂基板10が複数積層されて一体化されている。
「合成例1~合成例19」
表1に示す第1原料と第2原料とを、表1に示す割合で3口フラスコに量りとり、テトラヒドロフラン(THF)1Lに溶解させて第1混合溶液を得た。その後、第1混合溶液を窒素気流中でリフラックス(還流)させて、第1混合溶液中の溶存酸素を除去した。次いで、第1混合溶液に表1に示す割合で炭酸カリウムを加えて、12時間リフラックス状態を保ち反応させた。
このようにして得られた合成例17の化合物50gを、N-メチル-2-ピロリドン(NMP)500mLに加え、100℃に加熱して合成例17の化合物を溶解させた後、加熱を止め、濃アンモニア水(15モル/L)10mLを滴下した。得られた混合液を1時間撹拌し、溶媒を減圧留去した。得られた残渣を120℃で12時間真空乾燥させて目的物である一般式(1)で表される合成例18の化合物を得た。
「合成例20~合成例39」
表2に示す第1原料と第2原料と炭酸カリウムとを、表2に示す割合で用いたこと以外は、合成例1の第1前駆体化合物と同様にして、合成例20~合成例39の第1前駆体化合物を得た。得られた第1前駆体化合物についてサイズ排除クロマトグラフィー(SEC)分析を行い、数平均分子量(Mn)を求めた。
反応終了後、得られた懸濁液を水に注ぎ、pHが2以下になるように塩酸で中和して、30分間撹拌し、生成した沈殿物をろ過して回収した。回収した沈殿物を12時間真空乾燥し、一般式(2)で表される合成例20、合成例22~合成例36の化合物を得た。
「合成例40~合成例68」
表3に示す第1原料と第2原料と炭酸カリウムとを、表3に示す割合で用いたこと以外は、合成例1の第1前駆体化合物と同様にして、合成例40~合成例68の第1前駆体化合物を得た。得られた第1前駆体化合物についてサイズ排除クロマトグラフィー(SEC)分析を行い、数平均分子量(Mn)を求めた。
反応終了後、得られた懸濁液を水に注ぎ、30分間撹拌し、生成した沈殿物をろ過して回収した。回収した沈殿物を12時間真空乾燥し、一般式(3)で表される合成例40~合成例68の化合物を得た。
「合成例69~合成例75」
表4に示す第1原料と第2原料と炭酸カリウムとを、表4に示す割合で用いたこと以外は、合成例1の第1前駆体化合物と同様にして、合成例69~合成例75の第1前駆体化合物を得た。得られた第1前駆体化合物についてサイズ排除クロマトグラフィー(SEC)分析を行い、数平均分子量(Mn)を求めた。
反応終了後、得られた懸濁液を水に注ぎ、30分間撹拌し、生成した沈殿物をろ過して回収した。回収した沈殿物を12時間真空乾燥し、一般式(4)で表される合成例69~合成例73、合成例75の化合物を得た。
[第1原料]
(1-1)メチルヒドロキノン(Methylhydroquinone)
(1-2)ヒドロキノン(Hydroquinone)
(1-3)テトラメチルヒドロキノン(Tetramethylhydroquinone)(1-4)トリメチルヒドロキノン(Trimethylhydroquinone)
(1-5)2-(トリフルオロメチル)-1,4-ベンゼンジオール(2-(trifluoromethyl)-1,4-benzenediol)
(1-7)クロロヒドロキノン(Chlorohydroquinone)
(1-8)ブロモヒドロキノン(Bromohydroquinone)
(1-9)2,5-ジヒドロキシニトロベンゼン(2,5-Dihydroxynitrobenzene)(1-10)1,5-ジヒドロキシナフタレン(1,5-Dihydroxynaphthalene)(1-11)2,6-ジヒドロキシナフタレン(2,6-Dihydroxynaphthalene)(1-12)3,3’,5,5’-テトラメチルビフェニル-4,4’-ジオール(3,3’,5,5’-Tetramethylbiphenyl-4,4’-diol)
(1-13)4,4’-ジヒドロキシビフェニル(4,4’-Dihydroxybiphenyl)
[第2原料]
(2-1)α,α’-ジクロロ-p-キシレン(α,α’-p-Dichloroxylene)(2-2)1,4-ビス(クロロメチル)-2-メチルベンゼン(1,4-BIS(CHLOROMETHYL)-2-METHYLBENZENE)
(2-3)3,6-ビス(クロロメチル)デュレン(3,6-Bis(chloromethyl)durene)
(2-4)1,4-ビス(ブロモメチル)-2-フルオロベンゼン(1,4-bis(bromomethyl)-2-fluorobenzene)
(2-6)2-ブロモ-1,4-ビス(ブロモメチル)ベンゼン(2-bromo-1,4-bis(bromomethyl)benzene
(2-7)1,4-ビス(クロロメチル)-2-ニトロベンゼン(1,4-bis(chloromethyl)-2-nitrobenzene)
(2-8)4,4’-ビス(クロロメチル)ビフェニル(4,4’-Bis(chloromethyl)biphenyl)
(2-9)2,6-ビス(ブロモメチル)ナフタレン(2,6-Bis(bromomethyl)naphthalene)
(2-10)1,5-ビス(クロロメチル)ナフタレン(1,5-bis(chloromethyl)naphthalene)
(2-11)1,4-ビス(ブロモメチル)ナフタレン(1,4-bis(bromomethyl)naphthalene)
[第3原料]
(3-1)2,6-ジフルオロ-4-ヒドロキシ-ベンジルアルコール(2,6-difluoro-4-hydroxy-Benzenemethanol)
(3-2)2-フルオロ-4-ヒドロキシ-ベンジルアルコール(2-fluoro-4-hydroxy-Benzenemethanol)
(3-3)3-ブロモ-4-ヒドロキシ-ベンジルアルコール(3-bromo-4-hydroxy-Benzenemethanol)
(3-4)4-ヒドロキシ-3-ニトロ-ベンジルアルコール(4-hydroxy-3-nitro-Benzenemethanol)
(3-5)4-ヒドロキシ-3-メチル-ベンジルアルコール(4-hydroxy-3-methyl-Benzenemethanol)
(3-6)4-ヒドロキシ-3,5-ジメチル-ベンジルアルコール(4-hydroxy-3,5-dimethyl-Benzenemethanol)
(3-8)3,5-ジフルオロ-4-ヒドロキシ-ベンジルアルコール(3,5-difluoro-4-hydroxy-Benzenemethanol)
(3-9)4-ヒドロキシ-2,6-ジメチル-ベンジルアルコール(4-hydroxy-2,6-dimethyl-Benzenemethanol)
(3-10)4-ヒドロキシ-2-メチル-ベンジルアルコール(4-hydroxy-2-methyl-Benzenemethanol)
(3-11)4-ヒドロキシ-2-ニトロ-ベンジルアルコール(4-hydroxy-2-nitro-Benzenemethanol)
(3-12)4-ヒドロキシ-3-(トリフルオロメチル)-ベンジルアルコール(4-hydroxy-3-(trifluoromethyl)-Benzenemethanol)
(3-13)4-ヒドロキシ-2,5-ジメチル-ベンジルアルコール(4-hydroxy-2,5-dimethyl-Benzenemethano)
(3-14)5-(ブロモメチル)-2-ヒドロキシメチル-2-ベンゾニトリル(5-(Bromomethyl)-2-(hydroxymethyl)-benzonitrile)
[第4原料]
(4-1)ヒドロキノン(Hydroquinone)
(4-2)2-フルオロ-1,4-ベンゼンジオール(2-fluoro-1,4-Benzenediol)
(4-3)2,3,5,6-テトラフルオロ-1,4-ベンゼンジオール(2,3,5,6-tetrafluoro-1,4-Benzenediol)
(4-4)2、3-ジフルオロ-1,4-ベンゼンジオール(2,3-difluoro-1,4-Benzenediol)
(4-5)4-ヒドロキシ安息香酸メチル(Methyl 4-Hydroxybenzoate)
(4-6)p-アミノフェノール(4-Aminophenol)
(4-7)4-(ブロモメチル)-安息香酸メチル(4-(bromomethyl)-Benzoic acid methyl ester)
(4-8)4-(ブロモメチル)-3-フルオロ-安息香酸メチル(4-(bromomethyl)-3-fluoro-Benzoic acid methyl ester)
(4-10)4-(ブロモメチル)-3-クロロ-安息香酸メチル(4-(bromomethyl)-3-chloro-Benzoic acid methyl ester)
(4-11)4-(クロロメチル)-3,5-ジフルオロ-安息香酸メチル(4-(chloromethyl)-3,5-difluoro-Benzoic acid methyl ester)
(4-12)4-(ブロモメチル)-2-メチル-安息香酸メチル(4-(bromomethyl)-2-methyl-Benzoic acid methyl ester)
(4-13)4-(ブロモメチル)-3-ニトロ-安息香酸メチル(4-(bromomethyl)-3-nitro-Benzoic acid methyl ester)
(4-14)2-クロロ-4-(クロロメチル)-6-シアノ-安息香酸メチル(2-chloro-4-(chloromethyl)-6-cyano-Benzoic acid ethyl ester)
(4-15)4-(ブロモメチル)-2,6-ジフルオロ-安息香酸メチル(4-(bromomethyl)-2,6-difluoro-Benzoic acid methyl ester)
(4-16)4-(ブロモメチル)-3-トリフルオロメチル-安息香酸メチル(4-(bromomethyl)-3-(trifluoromethyl)-Benzoic acid methyl ester)
(4-18)4-(ブロモメチル)-3-シアノ-安息香酸メチル(4-(bromomethyl)-3-cyano-Benzoic acid methyl ester)
(4-19)5-ブロモ-4-(ブロモメチル)-2-フルオロ-安息香酸メチル(5-bromo-4-(bromomethyl)-2-fluoro-Benzoic acid methyl ester)
(4-20)4-(ブロモメチル)-2-ニトロ-安息香酸メチル(4-(bromomethyl)-2-nitro-Benzoic acid methyl ester)
(4-21)4-(ブロモメチル)-2,3-ジフルオロ-安息香酸メチル(4-(bromomethyl)-2,3-difluoro-Benzoic acid methyl ester)
(4-22)1-(ブロモメチル)-4-ニトロ-ベンゼン(Benzene,1-(bromomethyl)-4-nitro-)
(4-23)1-(ブロモメチル)-4-ニトロ-2-(トリフルオロメチル)-ベンゼン(Benzene,1-(bromomethyl)-4-nitro-2-(trifluoromethyl)-)
(4-24)4-(ブロモメチル)-2-メチル-1-ニトロ-ベンゼン(Benzene,4-(bromomethyl)-2-methyl-1-nitro-)
分析用試料溶液は、以下に示す方法により作成した。合成例1~合成例75の化合物を、それぞれ2mgを採取し、テトラヒドロフラン(THF)10mLに加え、バイブレータを用いて7時間振とうした。振とう後の溶液を、オーブンを用いて55℃で2時間加熱し、静置した。その後、孔径0.45μmのポリテトラフルオロエチレン(PTFE)フィルターを用いてろ過し、ろ液を分析用試料溶液とした。
合成例1~合成例19の化合物は、一般式(1)で示される化合物であった。式(1)におけるAr1、Ar2、Ar3、Ar4、Zをそれぞれ表9に示す。
合成例20~合成例39の化合物は、一般式(2)で示される化合物であった。式(2)におけるAr1、Ar2、Ar3、Ar4、Zをそれぞれ表10に示す。
合成例40~合成例68の化合物は、一般式(3)で示される化合物であった。式(3)におけるAr1、Ar2、Ar3、Ar4、Zをそれぞれ表11に示す。
合成例69~合成例75の化合物は、一般式(4)で示される化合物であった。式(4)におけるAr1、Ar2、Ar3、Ar4、Zをそれぞれ表12に示す。
「実施例1~実施例83」
表13~表16に示すエポキシ樹脂と、硬化剤としての表13~表16に示す化合物と、表13~表16に示す硬化促進剤とを、それぞれ表13~表16に示す割合で混合し、実施例1~実施例83の樹脂組成物を得た。
硬化剤として、合成例40の化合物と、下記式(A)で示される化合物(数平均分子量(Mn)1728、重量平均分子量(Mw)3300)とを、質量比で1:1の割合で混合したものを用い、表16に示すエポキシ樹脂と、表16示す硬化促進剤とを、それぞれ表16に示す割合で混合し、実施例84の樹脂組成物を得た。
「エポキシ樹脂」
TEPIC-SS;トリグリシジルイソシアヌレート(日産化学株式会社製)
JER630;トリグリシジル-p-アミノフェノール(三菱ケミカル株式会社製)
EPICLON HP-4032;1,6-ビス(2,3-エポキシプロパン-1-イルオキシ)ナフタレン(DIC社製)
N-655-EXP-S;クレゾールノボラック系エポキシ樹脂(DIC社製)
JER152;下記式(B-1)で示されるクレゾールノボラック系エポキシ樹脂(三菱ケミカル株式会社製)
JER828;ビフェノールA型エポキシ樹脂(三菱ケミカル株式会社製)
「硬化促進剤」
2E4MZ;2-エチル-4-メチルイミダゾール
硬化剤として、合成例40又は合成例75の化合物と、上記式(A)で示される化合物(数平均分子量(Mn)1728、重量平均分子量(Mw)3300)とを、質量比で1:1の割合で混合したものを用い、表17に示すビスマレイミド化合物と、表17示す硬化促進剤とを、それぞれ表17に示す割合で混合し、実施例85~93の樹脂組成物を得た。
具体的には、表17に示す硬化剤及びビスマレイミド化合物を150℃に加熱し溶融混合を行った。そこに硬化促進剤を添加し手早く混合を行った。その後、得られた混合物を150℃で1時間180℃でさらに1時間反応させることで硬化物(実施例85~93の樹脂組成物)を調製した。
樹脂硬化物の密度と、比熱と、熱拡散率を、以下に示す方法によりそれぞれ測定し、それらを掛けることにより、熱伝導率を求めた。
密度は、アルキメデス法を用いて求めた。
比熱は、示差走査熱量計(DSC)(日立ハイテクサイエンス社製)を用いて求めた。
熱拡散率は、キセノンフラッシュ熱拡散率測定装置(アドバンス理工)を用いて求めた。
熱拡散率の測定には、以下に示す方法により製造した測定用サンプルを用いた。すなわち、樹脂硬化物をアルミカップ内で150℃の温度で溶融混合し、室温まで冷却した。その後、未硬化の樹脂組成物を、150℃で12時間加熱し、硬化させた。得られた樹脂硬化物を直径10mm、厚さ0.5mmの円柱形に加工し、測定用サンプルとした。
12 樹脂シート
20 硬化物
22 樹脂成分
30 芯材
50 積層基板
Claims (15)
- 芳香族環基、エーテル酸素、メチレン基、芳香族環基、メチレン基、エーテル酸素、芳香族環基が、この順に結合された鎖状構造を有し、
前記鎖状構造の第1末端に配置された前記芳香族環基の炭素に、ヒドロキシメチル基が結合し、
前記鎖状構造の第2末端に配置された前記芳香族環基の炭素に、水酸基、アミノ基、アミド基、カルボキシル基から選ばれるいずれか1種の末端基が結合している化合物。 - 第1芳香族環基と、前記第1芳香族環基に結合する2つのエーテル酸素とからなる第1芳香族環ユニットと、
第2芳香族環基と、前記第2芳香族環基に結合する2つのメチレン基とからなる第2芳香族環ユニットと、
第3芳香族環基と、前記第3芳香族環基に結合するヒドロキシメチル基とからなる第3芳香族環ユニットと、
第4芳香族環基と、前記第4芳香族環基に結合する前記末端基とからなる第4芳香族環ユニットと、を含み、
前記鎖状構造が、前記第1芳香族環ユニットと前記第2芳香族環ユニットとが交互に配置され、両端に前記第1芳香族環ユニットが配置された骨格を有し、前記骨格の第1末端にメチレン基によって前記第3芳香族環基が結合され、前記骨格の第2末端にメチレン基によって前記第4芳香族環基が結合されている、
または前記鎖状構造が、前記第1芳香族環ユニットと前記第2芳香族環ユニットとが交互に配置され、両端に前記第2芳香族環ユニットが配置された骨格を有し、前記骨格の第1末端にエーテル酸素によって前記第3芳香族環基が結合され、前記骨格の第2末端にエーテル酸素によって前記第4芳香族環基が結合されている請求項1に記載の化合物。 - 第1芳香族環基と、前記第1芳香族環基に結合する2つのエーテル酸素とからなる第1芳香族環ユニットと、
第2芳香族環基と、前記第2芳香族環基に結合する2つのメチレン基とからなる第2芳香族環ユニットと、
第3芳香族環基と、前記第3芳香族環基に結合するヒドロキシメチル基とからなる第3芳香族環ユニットと、
第4芳香族環基と、前記第4芳香族環基に結合する前記末端基とからなる第4芳香族環ユニットと、を含み、
前記鎖状構造が、前記第1芳香族環ユニットと前記第2芳香族環ユニットとが交互に配置された骨格を有し、
前記第1芳香族環ユニット側の末端にメチレン基によって前記第3芳香族環基が結合され、前記第2芳香族環ユニット側の末端にエーテル酸素によって前記第4芳香族環基が結合されている、
または前記第1芳香族環ユニット側の末端にメチレン基によって前記第4芳香族環基が結合され、前記第2芳香族環ユニット側の末端にエーテル酸素によって前記第3香族環基が結合されている請求項1に記載の化合物。 - 下記一般式(1)~(4)で表されるいずれかである請求項1に記載の化合物。
- 前記第1芳香族環基と前記第2芳香族環基と前記第3芳香族環基と前記第4芳香族環基のいずれか1つ以上が、下記式(5)~(9)で表されるいずれかの芳香族環基である請求項2~請求項4のいずれか一項に記載の化合物。
- 前記第1芳香族環基と前記第2芳香族環基と前記第3芳香族環基と前記第4芳香族環基のいずれか1つ以上が、置換基を有してもよいパラフェニレン基である請求項2~請求項5のいずれか一項に記載の化合物。
- 前記第1芳香族環基と前記第4芳香族環基とが同一であり、
前記第2芳香族環基が、パラフェニレン基である請求項2~請求項5のいずれか一項に記載の化合物。 - 下記一般式(10)~(13)で表されるいずれかである請求項1に記載の化合物。
- 前記一般式(13)で表される化合物であって、
前記R1~前記R4が水素であり、
前記R5~前記R8のうちいずれか1つがメチル基で他が水素であり、
前記R9~前記R12のうちいずれか1つがメチル基で他が水素である請求項8に記載の化合物。 - 請求項1~請求項9のいずれか一項に記載の化合物を含む樹脂組成物。
- 芳香族環基、エーテル酸素、メチレン基、芳香族環基、メチレン基、エーテル酸素、芳香族環基が、この順に結合された鎖状構造を有し、
前記鎖状構造の両末端に配置された前記芳香族環基の炭素に、水酸基、アミノ基、アミド基、カルボキシル基から選ばれるいずれか1種の末端基がそれぞれ結合している化合物と、前記鎖状構造の両末端に配置された前記芳香族環基の炭素にヒドロキシメチル基が結合している化合物のうち一方または両方を含む請求項10に記載の樹脂組成物。 - エポキシ樹脂と、硬化剤とを含む樹脂組成物であり、
前記硬化剤が、請求項1~請求項9のいずれか一項に記載の化合物を含む樹脂組成物。 - 請求項10~請求項12のいずれか一項に記載の樹脂組成物を含む樹脂シート。
- 請求項10~請求項12のいずれか一項に記載の樹脂組成物の硬化物を含む樹脂硬化物。
- 複数の樹脂基板が積層されてなり、前記複数の樹脂基板のうち、少なくとも一つが請求項14に記載の樹脂硬化物である積層基板。
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