WO2023021813A1 - 樹脂、樹脂の製造方法、硬化性樹脂組成物および硬化物 - Google Patents
樹脂、樹脂の製造方法、硬化性樹脂組成物および硬化物 Download PDFInfo
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- WO2023021813A1 WO2023021813A1 PCT/JP2022/022655 JP2022022655W WO2023021813A1 WO 2023021813 A1 WO2023021813 A1 WO 2023021813A1 JP 2022022655 W JP2022022655 W JP 2022022655W WO 2023021813 A1 WO2023021813 A1 WO 2023021813A1
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- group
- carbon atoms
- resin
- structural unit
- unit described
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Links
- 229920005989 resin Polymers 0.000 title claims abstract description 219
- 239000011347 resin Substances 0.000 title claims abstract description 219
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 239000011342 resin composition Substances 0.000 title claims abstract description 19
- 125000004432 carbon atom Chemical group C* 0.000 claims description 122
- 125000000217 alkyl group Chemical group 0.000 claims description 79
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 58
- 150000001875 compounds Chemical class 0.000 claims description 34
- 239000000047 product Substances 0.000 claims description 34
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 32
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 30
- -1 methyleneoxymethylene group Chemical group 0.000 claims description 29
- 239000002994 raw material Substances 0.000 claims description 29
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 28
- 125000003118 aryl group Chemical group 0.000 claims description 27
- 125000005843 halogen group Chemical group 0.000 claims description 27
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 16
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 13
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 12
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 12
- 150000007514 bases Chemical class 0.000 claims description 11
- 125000005699 methyleneoxy group Chemical group [H]C([H])([*:1])O[*:2] 0.000 claims description 9
- 125000005704 oxymethylene group Chemical group [H]C([H])([*:2])O[*:1] 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 7
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims description 6
- WPFGFHJALYCVMO-UHFFFAOYSA-L rubidium carbonate Chemical compound [Rb+].[Rb+].[O-]C([O-])=O WPFGFHJALYCVMO-UHFFFAOYSA-L 0.000 claims description 6
- 229910000026 rubidium carbonate Inorganic materials 0.000 claims description 6
- 229920001187 thermosetting polymer Polymers 0.000 claims description 6
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 claims description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000470 constituent Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 description 41
- 238000006243 chemical reaction Methods 0.000 description 22
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 21
- 230000015572 biosynthetic process Effects 0.000 description 21
- 238000003786 synthesis reaction Methods 0.000 description 21
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 230000004580 weight loss Effects 0.000 description 11
- 230000009477 glass transition Effects 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- DCUFMVPCXCSVNP-UHFFFAOYSA-N methacrylic anhydride Chemical compound CC(=C)C(=O)OC(=O)C(C)=C DCUFMVPCXCSVNP-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000003999 initiator Substances 0.000 description 6
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 6
- KJIFKLIQANRMOU-UHFFFAOYSA-N oxidanium;4-methylbenzenesulfonate Chemical compound O.CC1=CC=C(S(O)(=O)=O)C=C1 KJIFKLIQANRMOU-UHFFFAOYSA-N 0.000 description 6
- 125000005395 methacrylic acid group Chemical group 0.000 description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- NXHPIYRSMIFFBV-UHFFFAOYSA-N formaldehyde;1,3,5-trimethylbenzene Chemical compound O=C.CC1=CC(C)=CC(C)=C1 NXHPIYRSMIFFBV-UHFFFAOYSA-N 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000000010 aprotic solvent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- OIAUFEASXQPCFE-UHFFFAOYSA-N formaldehyde;1,3-xylene Chemical compound O=C.CC1=CC=CC(C)=C1 OIAUFEASXQPCFE-UHFFFAOYSA-N 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 125000005641 methacryl group Chemical group 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- HCXVPNKIBYLBIT-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy 3,5,5-trimethylhexaneperoxoate Chemical compound CC(C)(C)CC(C)CC(=O)OOOC(C)(C)C HCXVPNKIBYLBIT-UHFFFAOYSA-N 0.000 description 1
- QEQBMZQFDDDTPN-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy benzenecarboperoxoate Chemical compound CC(C)(C)OOOC(=O)C1=CC=CC=C1 QEQBMZQFDDDTPN-UHFFFAOYSA-N 0.000 description 1
- KDGNCLDCOVTOCS-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy propan-2-yl carbonate Chemical compound CC(C)OC(=O)OOC(C)(C)C KDGNCLDCOVTOCS-UHFFFAOYSA-N 0.000 description 1
- NOBYOEQUFMGXBP-UHFFFAOYSA-N (4-tert-butylcyclohexyl) (4-tert-butylcyclohexyl)oxycarbonyloxy carbonate Chemical compound C1CC(C(C)(C)C)CCC1OC(=O)OOC(=O)OC1CCC(C(C)(C)C)CC1 NOBYOEQUFMGXBP-UHFFFAOYSA-N 0.000 description 1
- RIPYNJLMMFGZSX-UHFFFAOYSA-N (5-benzoylperoxy-2,5-dimethylhexan-2-yl) benzenecarboperoxoate Chemical compound C=1C=CC=CC=1C(=O)OOC(C)(C)CCC(C)(C)OOC(=O)C1=CC=CC=C1 RIPYNJLMMFGZSX-UHFFFAOYSA-N 0.000 description 1
- OTMBZPVYOQYPBE-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)cyclododecane Chemical compound CC(C)(C)OOC1(OOC(C)(C)C)CCCCCCCCCCC1 OTMBZPVYOQYPBE-UHFFFAOYSA-N 0.000 description 1
- HSLFISVKRDQEBY-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)cyclohexane Chemical compound CC(C)(C)OOC1(OOC(C)(C)C)CCCCC1 HSLFISVKRDQEBY-UHFFFAOYSA-N 0.000 description 1
- XSZYESUNPWGWFQ-UHFFFAOYSA-N 1-(2-hydroperoxypropan-2-yl)-4-methylcyclohexane Chemical compound CC1CCC(C(C)(C)OO)CC1 XSZYESUNPWGWFQ-UHFFFAOYSA-N 0.000 description 1
- NOGFHTGYPKWWRX-UHFFFAOYSA-N 2,2,6,6-tetramethyloxan-4-one Chemical compound CC1(C)CC(=O)CC(C)(C)O1 NOGFHTGYPKWWRX-UHFFFAOYSA-N 0.000 description 1
- KWHNKKVMTIWKEW-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-yl 7,7-dimethyloctanoate Chemical compound CC(C)(C)CCCCCC(=O)OC(C)(C)CC(C)(C)C KWHNKKVMTIWKEW-UHFFFAOYSA-N 0.000 description 1
- ODBCKCWTWALFKM-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhex-3-yne Chemical compound CC(C)(C)OOC(C)(C)C#CC(C)(C)OOC(C)(C)C ODBCKCWTWALFKM-UHFFFAOYSA-N 0.000 description 1
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 1
- IEMBFTKNPXENSE-UHFFFAOYSA-N 2-(2-methylpentan-2-ylperoxy)propan-2-yl hydrogen carbonate Chemical compound CCCC(C)(C)OOC(C)(C)OC(O)=O IEMBFTKNPXENSE-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- XKBHBVFIWWDGQX-UHFFFAOYSA-N 2-bromo-3,3,4,4,5,5,5-heptafluoropent-1-ene Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(Br)=C XKBHBVFIWWDGQX-UHFFFAOYSA-N 0.000 description 1
- NUIZZJWNNGJSGL-UHFFFAOYSA-N 2-phenylpropan-2-yl 2,2-dimethyloctaneperoxoate Chemical compound CCCCCCC(C)(C)C(=O)OOC(C)(C)c1ccccc1 NUIZZJWNNGJSGL-UHFFFAOYSA-N 0.000 description 1
- BIISIZOQPWZPPS-UHFFFAOYSA-N 2-tert-butylperoxypropan-2-ylbenzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1 BIISIZOQPWZPPS-UHFFFAOYSA-N 0.000 description 1
- MBRFPVDRWWZMQS-UHFFFAOYSA-N 3,3-bis(tert-butylperoxy)but-1-ene Chemical compound CC(C)(C)OOC(C)(C=C)OOC(C)(C)C MBRFPVDRWWZMQS-UHFFFAOYSA-N 0.000 description 1
- ZFHJDLKOLPSSQL-UHFFFAOYSA-N 3-(tert-butylperoxymethyl)heptane Chemical compound CCCCC(CC)COOC(C)(C)C ZFHJDLKOLPSSQL-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 125000002603 chloroethyl group Chemical group [H]C([*])([H])C([H])([H])Cl 0.000 description 1
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000003784 fluoroethyl group Chemical group [H]C([H])(F)C([H])([H])* 0.000 description 1
- 125000004216 fluoromethyl group Chemical group [H]C([H])(F)* 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- JIYXDFNAPHIAFH-UHFFFAOYSA-N tert-butyl 3-tert-butylperoxycarbonylbenzoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC(C(=O)OC(C)(C)C)=C1 JIYXDFNAPHIAFH-UHFFFAOYSA-N 0.000 description 1
- NMOALOSNPWTWRH-UHFFFAOYSA-N tert-butyl 7,7-dimethyloctaneperoxoate Chemical compound CC(C)(C)CCCCCC(=O)OOC(C)(C)C NMOALOSNPWTWRH-UHFFFAOYSA-N 0.000 description 1
- SWAXTRYEYUTSAP-UHFFFAOYSA-N tert-butyl ethaneperoxoate Chemical compound CC(=O)OOC(C)(C)C SWAXTRYEYUTSAP-UHFFFAOYSA-N 0.000 description 1
- LFJTZYMPTUQVOM-UHFFFAOYSA-N tetradecoxy tetradecyl carbonate Chemical compound CCCCCCCCCCCCCCOOC(=O)OCCCCCCCCCCCCCC LFJTZYMPTUQVOM-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229940070710 valerate Drugs 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/08—Anhydrides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/08—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
- C08F290/14—Polymers provided for in subclass C08G
-
- 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
- C08G14/00—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00
- C08G14/02—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes
- C08G14/04—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols
- C08G14/12—Chemically modified polycondensates
Definitions
- the present invention relates to novel resins, methods for producing resins, curable resin compositions, and cured products.
- Resins having a vinyl group such as vinyl compounds
- resins having a vinyl group are used in various materials due to their excellent heat resistance.
- Patent Document 1 one disclosed in Patent Document 1 is known.
- resins having vinyl groups such as vinyl compounds
- Such vinyl compounds and production methods thereof are known, for example, as disclosed in Patent Documents 2 and 3.
- An object of the present invention is to solve such problems, and an object of the present invention is to provide a novel resin excellent in dielectric properties, a method for producing the resin, a curable resin composition, and a cured product. .
- each R 1 independently represents a methylene group, a methyleneoxy group, a methyleneoxymethylene group or an oxymethylene group.
- R 2 represents an alkyl group having 1 to 3 carbon atoms.
- R 3 , R 4 and R 5 are each independently a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyalkyl group having 1 to 10 carbon atoms, or 6 carbon atoms. represents an aryl group of 1 to 12.
- R 6 , R 7 and R 8 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, represents a hydroxyalkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 12 carbon atoms, wherein R 9 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, or a halogenated group having 1 to 10 carbon atoms; an alkyl group, a hydroxyl group, a hydroxyalkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 12 carbon atoms, v represents 0 or 1, w represents a number of 1 to 3, x, y and z each independently represents a number from 0 to 3.
- a, b, c and d each independently represent a molar ratio of the structural units, a is a number of 1 or more, b is a number of 0 or more is a number, c is a number of 1 or more, and d is a number of 0 or more, R 1 may be bonded to each other to form a crosslinked structure, * is another structural unit or a terminal group indicates the binding position with ⁇ 2>
- ⁇ 6> The resin according to any one of ⁇ 1> to ⁇ 5>, wherein the content of the group represented by the following in the resin group (1) is 1.0 mmol/g or more.
- R 6 to R 8 in the above groups have the same definitions as R 6 to R 8 in group (1).
- ⁇ 7> The structural unit described in group (1), the structural unit described in group (1-1), the structural unit described in group (1-2), the structural unit described in group (1-3) and at least one of the structural units described in group (1-4), the resin according to any one of ⁇ 1> to ⁇ 6>.
- Group (1-1) (In group (1-1), R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , v, x, y, z, a1, b, c and d are are respectively synonymous with R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , v, x, y, z, a, b, c and d in group (1) * indicates the bonding position with other structural units or terminal groups.)
- Group (1-2) (In group (1-2), R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , v, x, y, z, a2, b, c and d are are respectively synonymous with R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , v, x,
- the resin according to any one of ⁇ 1> to ⁇ 8> having a number average molecular weight (Mn) of 500 to 6,000 and a weight average molecular weight (Mw) of 500 to 15,000.
- Mn number average molecular weight
- Mw weight average molecular weight
- R 6 , R 7 and R 8 are each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, a carbon represents a hydroxyalkyl group of 1 to 10, or an aryl group of 6 to 12 carbon atoms.
- group (4) each R 1 independently represents a methylene group, a methyleneoxy group, a methyleneoxymethylene group or an oxymethylene group;
- R 2 represents an alkyl group having 1 to 3 carbon atoms;
- R 3 , R 4 and R 5 are each independently a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyalkyl group having 1 to 10 carbon atoms, or 6 carbon atoms.
- a, b, c and d each independently represent the molar ratio of the structural units, a is a number of 1 or more, b is a number of 0 or more, c is a number of 1 or more, and d is a number of 0 or more.
- R 1 may be bonded to each other to form a crosslinked structure.
- a method for producing a resin comprising reacting at least the compound represented by formula (2) with a starting resin having the structural unit described in group (4) in the presence of a basic compound.
- formula (2) (In formula (2), R 6 , R 7 and R 8 are each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, a carbon represents a hydroxyalkyl group of 1 to 10, or an aryl group of 6 to 12 carbon atoms.) group (4) (In group (4), each R 1 independently represents a methylene group, a methyleneoxy group, a methyleneoxymethylene group or an oxymethylene group; R 2 represents an alkyl group having 1 to 3 carbon atoms; R 3 , R 4 and R 5 are each independently a halogen atom, an alkyl group
- a, b, c and d each independently represent the molar ratio of the structural units, a is a number of 1 or more, b is a number of 0 or more, c is a number of 1 or more, and d is a number of 0 or more.
- R 1 may be bonded to each other to form a crosslinked structure.
- the structural units described in group (4) are the structural units described in group (4-1), the structural units described in group (4-2), and the structural units described in group (4-3). and at least one of the structural units described in group (4-4).
- R 1 , R 3 , R 4 , R 5 , v, x, y, z, a1, b, c and d are respectively R 1 , R 3 in group (4) , R 4 , R 5 , v, x, y, z, a, b, c and d.
- Group (4-2) (In group (4-2), R 1 , R 3 , R 4 , R 5 , v, x, y, z, a2, b, c and d are respectively R 1 , R 3 in group (4) , R 4 , R 5 , v, x, y, z, a, b, c and d. * indicates the bonding position with other structural units or terminal groups.)
- Group (4-3) In group (4-3), R 1 , R 3 , R 4 , R 5 , v, x, y, z, a3, b, c and d are R 1 , R 3 in group (4), respectively.
- Group (4-4) (In group (4-4), R 1 , R 3 , R 4 , R 5 , v, x, y, z, a4, b, c and d are R 1 , R 3 in group (4), respectively , R 4 , R 5 , v, x, y, z, a, b, c and d.
- the raw material resin having the structural unit described in the group (4) has a number average molecular weight Mn of 400 to 4,000 and a weight average molecular weight Mw of 400 to 16,000, ⁇ 12> to ⁇ 18> A method for producing a resin according to any one of.
- ⁇ 20> Any one of ⁇ 12> to ⁇ 19>, wherein the terminal group of the raw material resin having the structural unit described in the group (4) is selected from a hydrogen atom, a hydroxyl group and a hydroxymethyl group.
- method of producing the resin ⁇ 21> The method for producing a resin according to any one of ⁇ 12> to ⁇ 20>, wherein the basic compound contains at least one of potassium carbonate, rubidium carbonate, and cesium carbonate.
- ⁇ 22> The method for producing a resin according to any one of ⁇ 12> to ⁇ 21>, wherein the resin to be produced is the resin according to any one of ⁇ 1> to ⁇ 11>.
- thermosetting compound contains at least one selected from a compound having a carbon-carbon unsaturated bond group other than the resin according to any one of ⁇ 1> to ⁇ 11> and an epoxy resin.
- ⁇ 26> A cured product of the curable resin composition according to any one of ⁇ 23> to ⁇ 25>.
- an "alkyl group” includes not only an alkyl group having no substituent (unsubstituted alkyl group) but also an alkyl group having a substituent (substituted alkyl group).
- the notations that do not describe substituted and unsubstituted are preferably unsubstituted. If the standards shown in this specification differ from year to year in terms of measurement methods, etc., the standards as of January 1, 2021 shall be used unless otherwise specified.
- the resin of the present embodiment has structural units described in group (1).
- a cured product of such a resin has excellent dielectric properties. Furthermore, a resin having excellent heat resistance can be obtained.
- group (1) (In group (1), each R 1 independently represents a methylene group, a methyleneoxy group, a methyleneoxymethylene group or an oxymethylene group.
- R 2 represents an alkyl group having 1 to 3 carbon atoms.
- R 3 , R 4 and R 5 are each independently a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyalkyl group having 1 to 10 carbon atoms, or 6 carbon atoms. represents an aryl group of 1 to 12.
- R 6 , R 7 and R 8 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, represents a hydroxyalkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 12 carbon atoms, wherein R 9 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, or a halogenated group having 1 to 10 carbon atoms; an alkyl group, a hydroxyl group, a hydroxyalkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 12 carbon atoms, v represents 0 or 1, w represents a number of 1 to 3, x, y and z each independently represents a number from 0 to 3.
- a, b, c and d each independently represent a molar ratio of the structural units, a is a number of 1 or more, b is a number of 0 or more is a number, c is a number of 1 or more, and d is a number of 0 or more, R 1 may be bonded to each other to form a crosslinked structure, * is another structural unit or a terminal group indicates the binding position with
- each R 1 independently represents a methylene group, a methyleneoxy group, a methyleneoxymethylene group or an oxymethylene group, preferably a methylene group or a methyleneoxymethylene group, more preferably a methylene group.
- R 1 may be bonded to each other to form a crosslinked structure.
- Examples of structures in which R 1 is crosslinked include the following structures.
- R 1 preferably does not form a crosslinked structure.
- n is a number of 1 or more, and usually a number of 1-10.
- R 2 represents an alkyl group having 1 to 3 carbon atoms, preferably a methyl group or an ethyl group, more preferably a methyl group.
- R 3 , R 4 and R 5 are each independently a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyalkyl group having 1 to 10 carbon atoms, or carbon It represents an aryl group having 6 to 12 numbers, each independently preferably being an alkyl group having 1 to 10 carbon atoms, and more preferably each independently being an alkyl group having 1 to 5 carbon atoms.
- Halogen atoms for R 3 to R 5 are preferably fluorine atoms or chlorine atoms.
- the alkyl group having 1 to 10 carbon atoms as R 3 to R 5 is more preferably an alkyl group having 1 to 5 carbon atoms, such as methyl group, ethyl group, i-propyl group, n-propyl group, n- A butyl group or a t-butyl group is more preferred, and a t-butyl group is even more preferred.
- the halogenated alkyl group having 1 to 10 carbon atoms as R 3 to R 5 is more preferably an alkyl group having 1 to 5 carbon atoms substituted with a fluorine atom or a chlorine atom, such as a fluoromethyl group or a chloromethyl group.
- a hydroxyalkyl group having 1 to 10 carbon atoms as R 3 to R 5 is more preferably a hydroxyalkyl group having 1 to 5 carbon atoms, and more preferably a hydroxymethyl group or a hydroxyethyl group.
- the aryl group having 6 to 12 carbon atoms as R 3 to R 5 is preferably a phenyl group.
- R 6 , R 7 and R 8 are each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, and a hydroxyalkyl group having 1 to 10 carbon atoms. or an aryl group having 6 to 12 carbon atoms, each independently preferably a hydrogen atom, a halogen atom (preferably a chlorine atom or a fluorine atom), or a methyl group. More preferably, R6 is a methyl group and R7 and R8 are hydrogen atoms.
- R 9 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, a hydroxyalkyl group having 1 to 10 carbon atoms, or a hydroxyalkyl group having 6 to 12 carbon atoms.
- v represents 0 or 1, and may contain both structural units in which v is 0 and structural units in which v is 1, and preferably contains structural units in which v is 0. Moreover, the aspect containing the structural unit which v is 1 at least is also mentioned.
- w represents a number from 1 to 3, preferably 2 or more, and preferably 3 or less.
- Each of x, y and z independently represents a number from 0 to 3, preferably 1 or more, preferably 2 or less, and more preferably 1.
- R 1 is a methylene group
- R 2 is a methyl group
- R 3 to R 5 are each independently a t-butyl group
- R 6 is a methyl group
- R 7 and R 8 are A preferred embodiment is a hydrogen atom
- R 9 is a methyl group or a phenyl group
- w is 2 or 3
- x is 1 or 2
- y and z are 1 or 2.
- a, b, c and d each independently represent the molar ratio of the structural units.
- a is a number of 1 or more
- b is a number of 0 or more
- c is a number of 1 or more
- d is a number of 0 or more.
- the b:a molar ratio is preferably 1:0.8 or more, more preferably 1:3.5 or more. Although the upper limit of the b:a molar ratio is not particularly defined, b is ideally 0, and may be 1:100 or less.
- the molar ratio of (c+d):a is preferably 1:0.05-7, more preferably 1:0.4-3.
- the molar ratio of b:(c+d) is preferably 1:1.5 or more, more preferably 1:3 or more.
- the upper limit of the molar ratio of b:(c+d) is not particularly defined, it may be 1:100 or less.
- the d:c molar ratio is preferably 1:0.25 or more, more preferably 1:0.67 or more.
- the upper limit of the d:c molar ratio is not particularly defined, d is ideally 0, and may be 1:100 or less.
- the total of a, b, c and d is preferably 90 or more, more preferably 95 or more in terms of molar ratio, when the total structural units in the present embodiment is 100, excluding terminal groups More preferably, the total number of structural units is 100.
- the structural units described in group (1) are the structural units described in group (1-1), the structural units described in group (1-2), and the structural units described in group (1-3). , and preferably at least one of the structural units described in group (1-4), at least the structural unit described in group (1-1) or the structural unit described in group (1-4) It is more preferable to contain structural units.
- the resin of the present embodiment is preferably a reaction product of at least a compound represented by formula (2) and a raw material resin having a structural unit described in group (4).
- the resin of the present embodiment is a raw material resin having at least one of the compound represented by formula (2) and the compound represented by formula (3) and the structural unit described in group (4). It may be a reactant.
- Typical examples of raw material resins having structural units described in group (4) include xylene resins, which are inexpensive resins synthesized from xylene and formaldehyde, and mesitylene resins, which are inexpensive resins synthesized from mesitylene and formaldehyde. mentioned.
- xylene resins which are inexpensive resins synthesized from xylene and formaldehyde
- mesitylene resins which are inexpensive resins synthesized from mesitylene and formaldehyde. mentioned.
- the structural units described in group (1-1), the structural units described in group (1-2), and the group (1-3) A resin containing at least one structural unit described in group (1-4) is obtained.
- resins containing structural units described in group (1-1) are preferentially obtained.
- a resin containing a structural unit described in group (1-4) is preferentially obtained.
- a resin eg, mesitylene resin
- the curing initiation temperature of the resin can be increased. That is, the structural units described in group (1-1), the structural units described in group (1-2), the structural units described in group (1-3), and the structural units described in group (1-4)
- the resin of the present embodiment can be made into a resin that is industrially inexpensive, easy to produce, and readily practicable.
- Group (1-1) (In group (1-1), R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , v, x, y, z, a1, b, c and d are are respectively synonymous with R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , v, x, y, z, a, b, c and d in group (1) * indicates the bonding position with other structural units or terminal groups.)
- Group (1-2) (In group (1-2), R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , v, x, y, z, a2, b, c and d are are respectively synonymous with R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , v, x,
- the resin of the present embodiment may contain only one type of each structural unit in group (1), or may contain two or more types. When two or more kinds are included, the total amount is within the above range.
- the resin of the present embodiment may contain structural units other than each structural unit represented in group (1). Further, in the resin of the present embodiment, each structural unit represented by group (1) may be randomly polymerized or block polymerized.
- * indicates the bonding position with other structural units or terminal groups.
- the terminal group is preferably selected from a hydrogen atom, a hydroxyl group and a hydroxymethyl group, more preferably a hydrogen atom or a hydroxyl group, and still more preferably a hydrogen atom.
- the resin of the present embodiment preferably has a phenolic hydroxyl group content of 0.5 mmol/g or less, more preferably 0.3 mmol/g or less, and even more preferably 0.2 mmol/g or less. , is more preferably 0.1 mmol/g or less, and even more preferably 0.05 mmol/g or less.
- the lower limit of the phenolic hydroxyl group content is preferably 0 mmol/g, but more than 0 mmol/g is practical.
- the content of the group represented by the following in group (1) is preferably 1.0 mmol/g or more, more preferably 1.1 mmol/g or more, It is more preferably 1.2 mmol/g or more, still more preferably 1.5 mmol/g or more, and even more preferably 2.0 mmol/g or more.
- a resin having more excellent curability can be obtained by setting the content to be at least the above lower limit.
- the upper limit is not particularly defined, it can be, for example, 5.0 mmol/g or less.
- R 6 to R 8 in the above groups have the same definitions as R 6 to R 8 in group (1).
- the weight average molecular weight (Mw) is preferably 500 or more, more preferably 1,000 or more, still more preferably 3,000 or more, and 4,000 or more. 7,000 or more is even more preferable.
- the content is at least the above lower limit, the toughness and flexibility of the resin are improved, and cracks during molding and cracks in the molded product can be more effectively suppressed.
- the weight average molecular weight (Mw) is preferably 30,000 or less, more preferably 20,000 or less, even more preferably 18,000 or less, and 16 ,000 or less, and may be 15,000 or less.
- the handleability of the resin is further improved due to the improvement of the solvent solubility of the resin and the decrease of the melt viscosity of the resin.
- the number average molecular weight (Mn) is preferably 500 or more, more preferably 800 or more, further preferably 1,000 or more, further preferably 1,200 or more. More preferably, it is 1,700 or more.
- the content is at least the above lower limit, the toughness and flexibility of the resin are improved, and cracks during molding and cracks in the molded product can be more effectively suppressed.
- the number average molecular weight (Mn) is preferably 10,000 or less, more preferably 8,000 or less, further preferably 7,000 or less. It is more preferably 000 or less, and may be 4,500 or less.
- the handleability of the resin is further improved due to the improvement of the solvent solubility of the resin and the decrease of the melt viscosity of the resin.
- the weight average molecular weight and number average molecular weight are measured according to the methods described in Examples below.
- the method for producing a resin of the present embodiment comprises reacting at least the compound represented by formula (2) with a raw material resin having a structural unit described in group (4) in the presence of a basic compound. characterized by comprising A resin having excellent dielectric properties can be obtained by manufacturing by such a method. Furthermore, a resin having excellent heat resistance can be obtained. Furthermore, the compound represented by formula (3) may also be reacted.
- R 6 , R 7 and R 8 are each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, a carbon represents a hydroxyalkyl group of 1 to 10, or an aryl group of 6 to 12 carbon atoms.
- group (4) each R 1 independently represents a methylene group, a methyleneoxy group, a methyleneoxymethylene group or an oxymethylene group;
- R 2 represents an alkyl group having 1 to 3 carbon atoms;
- R 3 , R 4 and R 5 are each independently a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyalkyl group having 1 to 10 carbon atoms, or 6 carbon atoms.
- a, b, c and d each independently represent the molar ratio of the structural units, a is a number of 1 or more, b is a number of 0 or more, c is a number of 1 or more, and d is a number of 0 or more.
- R 1 may be bonded to each other to form a crosslinked structure. * indicates the bonding position with other structural units or terminal groups.
- Formula (3) (wherein R 9 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, a hydroxyalkyl group having 1 to 10 carbon atoms, or , represents an aryl group having 6 to 12 carbon atoms.)
- R 1 , R 2 , R 3 , R 4 , R 5 , v, w, x, y, z, a, b, c and d are each R 1 , R 3 , R 4 , R 5 in group (1)
- R 2 , R 3 , v, w, x, y, z, a, b and c have the same meanings and preferred ranges.
- the terminal groups in group (4) are the same as the terminal groups in group (1).
- the structural unit described in group (4) the structural unit described in group (4-1), the structural unit described in group (4-2), the structural unit described in group (4-3) It preferably contains a structural unit and at least one structural unit described in group (4-4), and may contain a structural unit described in group (4-1) or group (4-4). more preferred.
- the structural units described in group (4-1), the structural units described in group (4-2), the structural units described in group (4-3), and the structural units described in group (4-4) By using a raw material resin containing at least one of the above structural units, it becomes possible to produce a resin having the structural unit described in group (1) at a lower cost.
- R 1 , R 3 , R 4 , R 5 , v, x, y, z, a1, b, c and d are respectively R 1 , R 3 in group (4) , R 4 , R 5 , v, x, y, z, a, b, c and d.
- Group (4-2) (In group (4-2), R 1 , R 3 , R 4 , R 5 , v, x, y, z, a2, b, c and d are respectively R 1 , R 3 in group (4) , R 4 , R 5 , v, x, y, z, a, b, c and d. * indicates the bonding position with other structural units or terminal groups.)
- Group (4-3) In group (4-3), R 1 , R 3 , R 4 , R 5 , v, x, y, z, a3, b, c and d are R 1 , R 3 in group (4), respectively.
- Group (4-4) (In group (4-4), R 1 , R 3 , R 4 , R 5 , v, x, y, z, a4, b, c and d are R 1 , R 3 in group (4), respectively , R 4 , R 5 , v, x, y, z, a, b, c and d. * indicates the bonding position with other structural units or terminal groups.)
- the weight-average molecular weight (Mw) of the raw material resin having the structural unit described in group (4) is preferably 400 or more, more preferably 600 or more, even more preferably 800 or more, It is more preferably 1,000 or more, still more preferably 2,000 or more, even more preferably 3,000 or more, and may be 5,000 or more.
- the content is at least the above lower limit, the toughness and flexibility of the resin are improved, and cracks during molding and cracks in the molded product can be more effectively suppressed.
- the weight average molecular weight (Mw) of the raw material resin having the structural unit described in group (4) is preferably 30,000 or less, more preferably 20,000 or less, and more preferably 16,000.
- the content is equal to or less than the above upper limit, there is a tendency that the handleability of the resin is further improved due to the improvement of the solvent solubility of the resin and the decrease of the melt viscosity of the resin.
- the number average molecular weight (Mn) of the raw material resin having the structural unit described in group (4) is preferably 400 or more, more preferably 600 or more, even more preferably 800 or more, It may be 1,000 or more. When the content is at least the above lower limit, the toughness and flexibility of the resin are improved, and cracks during molding and cracks in the molded product can be more effectively suppressed.
- the number average molecular weight (Mn) of the raw material resin having the structural unit described in group (4) is preferably 5,000 or less, more preferably 4,000 or less, and more preferably 3,500. It is more preferably 2,500 or less, and even more preferably 2,500 or less.
- the handleability of the resin is further improved due to the improvement of the solvent solubility of the resin and the decrease of the melt viscosity of the resin.
- the weight average molecular weight and number average molecular weight are measured according to the methods described in Examples below.
- the starting resin having the structural unit described in group (4) preferably has a hydroxyl value of 100 g/mol or more, more preferably 130 g/mol or more, and even more preferably 160 g/mol or more. , is more preferably 190 g/mol or more, and even more preferably 210 g/mol or more.
- the starting resin having the structural unit described in group (4) also preferably has a hydroxyl value of 600 g/mol or less, more preferably 550 g/mol or less, and preferably 500 g/mol or less.
- R 6 , R 7 and R 8 are each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, a carbon represents a hydroxyalkyl group of 1 to 10, or an aryl group of 6 to 12 carbon atoms.
- R 6 , R 7 and R 8 are synonymous with R 6 , R 7 and R 8 in group (1), respectively, and the preferred ranges are also the same.
- each of the raw material resin having the structural unit described in group (4) and the compound represented by formula (2) may be used alone, or two or more of them may be used. may be used.
- the molar ratio of the phenolic hydroxyl group of the raw material resin having the structural unit described in group (4) and the compound represented by formula (2) added to the reaction system is 1: It is preferably 1.3 to 0.4, more preferably 1:1.2 to 0.5.
- the compound represented by formula (2) and the starting resin having the structural unit described in group (4) are reacted in the presence of a basic compound.
- a basic compound By using a basic compound, the reaction between the phenolic hydroxyl group of the raw material resin having the structural unit described in the above group (4) and the compound represented by formula (2) is promoted.
- the basic compound is preferably selected from at least one of potassium carbonate, rubidium carbonate and cesium carbonate.
- potassium carbonate is more preferred.
- the forms of potassium carbonate, rubidium carbonate and cesium carbonate are not particularly limited, they are preferably in the form of powder. Further, the form of potassium carbonate, rubidium carbonate and cesium carbonate is preferably fine powder (average particle diameter of about 10 to 200 ⁇ m). Using a powdery one increases the specific surface area and enhances the reactivity.
- the production method of the present embodiment it is preferable to use 1.0 mol (mol/mol-OH) or more of the basic compound per 1 mol of the hydroxyl group of the raw material resin having the structural unit described in group (4). It is more preferable to use 2.5 mol or more, more preferably 10.0 mol or less, and more preferably 7.0 mol or less.
- the content is at least the above lower limit, the reactivity between the hydroxyl group of the raw material resin having the structural unit described in group (4) and the compound represented by formula (2) tends to be further improved.
- the content is equal to or less than the upper limit, the effect of reducing the manufacturing cost tends to be further improved.
- only one type of basic compound may be used, or two or more types may be used. When two or more are used, the total amount is preferably within the above range.
- the compound represented by formula (3) is also reacted with the compound represented by formula (2) and the raw material resin having the structural unit described in group (4). good too.
- the compound represented by the formula (3) it reacts with the phenolic hydroxyl groups in the resin that have not reacted with the compound represented by the formula (2), thereby lowering the hydroxyl value of the resulting resin. It is possible to obtain a resin having excellent dielectric properties.
- Formula (3) (wherein R 9 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, a halogenated alkyl group having 1 to 10 carbon atoms, a hydroxyl group, a hydroxyalkyl group having 1 to 10 carbon atoms, or , represents an aryl group having 6 to 12 carbon atoms.)
- R9 has the same definition as R9 in group (1), and the preferred range is also the same.
- the reaction between the raw material resin having the structural unit described in group (4) and the compound represented by formula (2) is preferably carried out at 40 to 110°C. It is more preferable to carry out at 90°C.
- a solvent when reacting the raw material resin having the structural unit described in group (4) and the compound represented by formula (2).
- the solvent can be used without any particular limitation, but an aprotic solvent is preferred, and at least one of an aromatic hydrocarbon solvent and an ether solvent is more preferred.
- an aprotic solvent By using an aprotic solvent, the action on O 2 - derived from phenolic hydroxyl groups tends to proceed effectively.
- the resin obtained after the reaction of the raw material resin having the structural unit described in the above group (4) and the compound represented by formula (2) it is preferable to separate and purify the resin obtained after the reaction of the raw material resin having the structural unit described in the above group (4) and the compound represented by formula (2). Separation and purification can be performed according to a conventional method. In the present embodiment, purification can be performed using water or a solvent containing water as a main component (for example, 70% by mass or more of the solvent is water). Further, after purification with water or the like, it may be washed with alcohol (eg, methanol).
- the resin produced by the resin production method of the present embodiment is preferably the resin of the present embodiment described above.
- the weight average molecular weight (Mw) and number average molecular weight (Mn) of the resin produced by the resin production method of the present embodiment are respectively the weight average molecular weight (Mw) and number average molecular weight (Mw) of the resin of the present embodiment described above.
- the same range as the average molecular weight (Mn) is preferred.
- the resin of this embodiment can be used as a curable resin composition.
- the curable resin composition may consist only of one or more resins of the present embodiment, or may further contain a thermosetting compound other than the resin of the present embodiment.
- the thermosetting compound preferably contains at least one selected from a compound other than the resin of the present embodiment and having a carbon-carbon unsaturated bond group and an epoxy resin.
- the curable resin composition may contain one or more of various additives.
- Additives include curing initiators, flame retardants, ultraviolet absorbers, antioxidants, photopolymerization initiators, fluorescent brighteners, photosensitizers, dyes, pigments, thickeners, flow modifiers, lubricants, Foaming agents, dispersing agents, leveling agents, brightening agents, polymerization inhibitors and the like.
- Curing initiators include di-3-methoxybutylperoxydicarbonate, di-2-ethylhexylperoxydicarbonate, bis(4-t-butylcyclohexyl)peroxydicarbonate, diisopropylperoxydicarbonate, t-butyl peroxyisopropyl carbonate, dimyristyl peroxycarbonate, 1,1,3,3-tetramethylbutyl neodecanoate, ⁇ -cumyl peroxyneodecanoate, t-butyl peroxyneodecanoate, 1, 1bis(t-butylperoxy)cyclohexane, 2,2bis(4,4-di-t-butylperoxycyclohexyl)propane, 1,1-bis(t-butylperoxy)cyclododecane, t-hexylper Oxyisopropyl monocarbonate, t-butylperoxy-3,5,5
- the amount thereof is preferably 0.1 parts by mass or more with respect to 100 parts by mass of the resin of the present embodiment, and 0.5 parts by mass. more preferably 1.0 parts by mass or more, preferably 10.0 parts by mass or less, more preferably 5.0 parts by mass or less; It is more preferably 0 parts by mass or less, and even more preferably 2.0 parts by mass or less.
- the curable resin composition of the present embodiment may contain only one curing initiator, or may contain two or more curing initiators. When two or more types are included, the total amount is preferably within the above range.
- the cured product of this embodiment is obtained by curing the curable resin composition. Since such a cured product has excellent heat resistance and excellent dielectric properties, it can be suitably used as an insulating layer for printed wiring boards and a semiconductor package material.
- the number average molecular weight and weight average molecular weight of the resin were obtained by gel permeation chromatography (GPC) method. Showa Denko KF-801, KF-802, KF-803, and KF-804 manufactured by Showa Denko K.K. Using. 10 mg of the resin to be measured was dissolved in 3 g of tetrahydrofuran as an eluent, the injection amount to the column was 20 ⁇ L, and the analysis was performed at an eluent flow rate of 1 mL/min and a column temperature of 40°C. A molecular weight calibration curve was created using standard polystyrene PStQuick MP-N manufactured by Tosoh Corporation, and the polystyrene equivalent molecular weight was estimated.
- ⁇ Hydroxyl group content of resin The phenolic hydroxyl group content of the above resin was calculated by proton nuclear magnetic resonance spectrum ( 1 H-NMR) analysis. Specifically, when the proton peak area of the p-tert-butyl group around 1.07 to 1.24 ppm is set to 9, the proton peak area of the phenolic hydroxyl group around 4.2 to 5.4 ppm is calculated. The reduction rate [%] before and after was calculated by the following formula as the modification rate [%] of the phenolic hydroxyl group.
- the methacryl group content was calculated by proton nuclear magnetic resonance spectrum ( 1 H-NMR) analysis. Specifically, when the peak area of p-tert-butyl group protons around 1.07 to 1.24 ppm is set to 9, the peak area of one of the methacrylic group terminal protons around 5.4 to 5.8 ppm is Multiplied by 100 is the methacrylic rate [%], and the methacrylic group content [mmol/ g] was calculated. In addition, the peak of the phenolic hydroxyl group of the phenol-modified xylene resin or phenol-modified mesitylene resin around 4.2 to 5.4 ppm disappeared after the reaction, confirming that the reaction had progressed completely. bottom. Equipment used: AVANCEIII500 (500MHz) manufactured by Bruker
- mesitylene manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.
- mesitylene manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.
- the separated upper oil phase was left, and the lower aqueous phase was removed. Further, the oil phase was neutralized and washed with water, and unreacted raw materials were distilled off under reduced pressure to obtain 578.6 g of mesitylene formaldehyde resin.
- the number-average molecular weight and weight-average molecular weight of the obtained resin were measured according to the conditions described above, and are shown in Table 1.
- Example 1 22.0 g of the p-tert-butylphenol-modified xylene resin obtained in Synthesis Example 1 (96.0 g of the p-tert-butylphenol-modified xylene resin obtained in Synthesis Example 1) was placed in a 300 mL four-necked flask equipped with a stirrer, thermometer and reflux tube under a nitrogen atmosphere.
- the solid matter was collected and washed with purified water and then with methanol.
- the obtained solid was washed again with purified water and methanol, and then dried under reduced pressure to obtain 23.1 g of the desired methacrylic compound.
- the number average molecular weight, weight average molecular weight and methacrylic group content of the obtained methacrylic compound were measured according to the conditions described above, and are shown in Table 2.
- a cured product was produced according to the following method. In addition, the dielectric properties, glass transition temperature, and 5% weight loss temperature of the obtained cured product were measured and shown in Table 2.
- cured product a mixture obtained by adding 1.5 parts by mass of Perbutyl (registered trademark) P (manufactured by NOF Corporation) to the methacrylic compound obtained above was put into a mold of 100 mm in length and 30 mm in width. It was produced by vacuum heat pressing at 200° C. for 1 hour and a half at a pressure of 92 MPa.
- the dielectric constant and dielectric loss tangent of the cured product were obtained by cutting the obtained cured product into pieces of 1 mm in thickness, 0.8 mm in width and 100 mm in length. It was measured.
- the glass transition temperature of the cured product was defined as the peak temperature of the dynamic elastic modulus obtained by measuring the dynamic viscoelasticity of the obtained cured product cut into 5 mm wide and 40 mm long pieces.
- the unit is °C.
- 5% weight loss temperature of cured product was determined by measuring the weight of the resulting cured product by cutting it into pieces of about 10 mg and performing simultaneous thermogravimetric and differential thermal measurements. The unit is °C. Equipment used: STA7200 manufactured by Hitachi High-Tech Science Co., Ltd. Heating rate: 10°C/min
- Example 2 In Example 1, the amount of potassium carbonate (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd., average particle size 150 ⁇ m or less) was changed to 66.4 g (480 mmol), and methacrylic anhydride (manufactured by Tokyo Chemical Industry Co., Ltd.) was charged. The reaction was carried out in the same manner as in Example 1 except that the amount was changed to 12.4 g (80.5 mmol) and the amount of acetic anhydride (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.) was changed to 14.9 g (146 mmol). and purification to obtain 21.6 g of the desired methacrylic compound.
- potassium carbonate manufactured by Fujifilm Wako Pure Chemical Industries, Ltd., average particle size 150 ⁇ m or less
- methacrylic anhydride manufactured by Tokyo Chemical Industry Co., Ltd.
- the number average molecular weight, weight average molecular weight and methacrylation rate of the obtained methacrylic compound were measured according to the conditions described above, and are shown in Table 2.
- the dielectric properties, glass transition temperature, and 5% weight loss temperature of the cured product prepared in the same manner as in Example 1 were measured and shown in Table 2.
- Example 3 In Example 1, the amount of p-tert-butylphenol-modified xylene resin charged was changed to 22.1 g (96.3 mmol in terms of hydroxyl group moles), and the amount of tetrahydrofuran (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.) was changed to 191 g. , the amount of potassium carbonate (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd., average particle size of 150 ⁇ m or less) was replaced with 66.6 g (482 mmol), and methacrylic anhydride (manufactured by Tokyo Chemical Industry Co., Ltd.) was charged.
- the amount of p-tert-butylphenol-modified xylene resin charged was changed to 22.1 g (96.3 mmol in terms of hydroxyl group moles), and the amount of tetrahydrofuran (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.) was changed to
- the reaction was carried out in the same manner as in Example 1, except that the amount was changed to 12.3 g (79.7 mmol) and the charged amount of acetic anhydride (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.) was changed to 15.3 g (150 mmol). and purification to obtain 23.8 g of the desired methacrylic compound.
- the number average molecular weight, weight average molecular weight and methacrylation rate of the obtained methacrylic compound were measured according to the conditions described above, and are shown in Table 2.
- the dielectric properties, glass transition temperature, and 5% weight loss temperature of the cured product prepared in the same manner as in Example 1 were measured and shown in Table 2.
- Example 4 In Example 1, the amount of potassium carbonate (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd., average particle size 150 ⁇ m or less) was changed to 66.5 g (481 mmol), and methacrylic anhydride (manufactured by Tokyo Chemical Industry Co., Ltd.) was charged. The reaction was carried out in the same manner as in Example 1 except that the amount was changed to 13.7 g (88.8 mmol) and the amount of acetic anhydride (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.) was changed to 11.8 g (115 mmol). and purification to obtain 23.9 g of the target methacrylic compound.
- the number average molecular weight, weight average molecular weight and methacrylation rate of the obtained methacrylic compound were measured according to the conditions described above, and are shown in Table 2.
- the dielectric properties, glass transition temperature, and 5% weight loss temperature of the cured product prepared in the same manner as in Example 1 were measured and shown in Table 2.
- Example 5 In Example 1, instead of the p-tert-butylphenol-modified xylene resin obtained in Synthesis Example 1, 22.6 g of the p-tert-butylphenol-modified xylene resin obtained in Synthesis Example 2 (66.6 g in terms of the number of moles of hydroxyl groups). 4 mmol) was used, the amount of tetrahydrofuran (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.) was changed to 200 g, and the amount of potassium carbonate (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd., average particle size 150 ⁇ m or less) was changed to 45.
- the amount of tetrahydrofuran manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.
- potassium carbonate manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd., average particle size 150 ⁇ m or less
- Example 6 In Example 1, the amount of p-tert-butylphenol-modified xylene resin charged was changed to 17.1 g (74.5 mmol in terms of hydroxyl group moles), and the amount of tetrahydrofuran (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.) was changed to 223 g. , the amount of potassium carbonate (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd., average particle size of 150 ⁇ m or less) was replaced with 60.4 g (437 mmol), and methacrylic anhydride (manufactured by Tokyo Chemical Industry Co., Ltd.) was charged.
- the amount of p-tert-butylphenol-modified xylene resin charged was changed to 17.1 g (74.5 mmol in terms of hydroxyl group moles), and the amount of tetrahydrofuran (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.) was changed to
- Example 1 Except that the amount was changed to 10.4 g (67.3 mmol) and that 26.7 g (118 mmol) of benzoic anhydride (manufactured by Tokyo Chemical Industry Co., Ltd.) was used instead of acetic anhydride (manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.). was reacted and purified in the same manner as in Example 1 to obtain 21.4 g of the objective methacrylic compound.
- the number-average molecular weight, weight-average molecular weight and methacrylation rate of the obtained methacrylic compound were measured according to the conditions described above, and are shown in Table 3.
- the dielectric properties, glass transition temperature, and 5% weight loss temperature of the cured product prepared in the same manner as in Example 1 were measured and shown in Table 3.
- Example 7 In Example 1, instead of the p-tert-butylphenol-modified xylene resin obtained in Synthesis Example 1, 22.2 g of the p-tert-butylphenol-modified mesitylene resin obtained in Synthesis Example 4 (70.0 g in terms of hydroxyl group moles) was used. 5 mmol) was used, the amount of tetrahydrofuran (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.) was changed to 200 g, and the amount of potassium carbonate (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd., average particle size: 150 ⁇ m or less) was changed to 38.
- tetrahydrofuran manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.
- potassium carbonate manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd., average particle size: 150 ⁇ m or less
- Example 8 In Example 1, instead of the p-tert-butylphenol-modified xylene resin obtained in Synthesis Example 1, 15.0 g of the p-tert-butylphenol-modified mesitylene resin obtained in Synthesis Example 5 (59.0 g in terms of moles of hydroxyl groups) was used. 8 mmol) was used, the amount of tetrahydrofuran (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.) was changed to 136 g, and the amount of potassium carbonate (manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd., average particle size: 150 ⁇ m or less) was changed to 33.
- tetrahydrofuran manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.
- potassium carbonate manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd., average particle size: 150 ⁇ m or less
- Example 1 Using a mixture obtained by adding 1.5 parts by mass of Perbutyl (registered trademark) P (manufactured by NOF Corporation) to SA9000 (manufactured by SABIC), which is a general polyphenylene ether with methacrylic groups at both ends, Example 1 and A cured product was produced in the same manner. Dielectric properties, glass transition temperature, and 5% weight loss temperature were measured using the obtained cured product, and the results are shown in Table 3.
- Perbutyl (registered trademark) P manufactured by NOF Corporation
- SA9000 manufactured by SABIC
Abstract
Description
一方、ビニル化合物等のビニル基を有する樹脂の優れた耐熱性を活かしつつ、誘電特性を高めることによって、高周波信号を扱う電子機器の材料として用いることも検討されている。このようなビニル化合物およびその製造方法については、例えば、特許文献2、特許文献3に開示されているものが知られている。
本発明はかかる課題を解決することを目的とするものであって、誘電特性に優れた新規な樹脂、ならびに、樹脂の製造方法、硬化性樹脂組成物および硬化物を提供することを目的とする。
具体的には、下記手段により、上記課題は解決された。
<1>群(1)に記載された構成単位を有する樹脂。
群(1)
<2>群(1)において、R6がメチル基であり、R7およびR8が水素原子である、<1>に記載の樹脂。
<3>群(1)において、R3、R4およびR5が、それぞれ独立に、炭素数1~10のアルキル基である、<1>または<2>に記載の樹脂。
<4>群(1)において、R3、R4およびR5が、それぞれ独立に、炭素数1~5のアルキル基である、<1>または<2>に記載の樹脂。
<5>前記樹脂のフェノール性水酸基含量が、0.5mmol/g以下である、<1>~<4>のいずれか1つに記載の樹脂。
<6>前記樹脂の群(1)中の下記で表される基の含有量が1.0mmol/g以上である、<1>~<5>のいずれか1つに記載の樹脂。
<7>群(1)に記載された構成単位が、群(1-1)に記載された構成単位、群(1-2)に記載された構成単位、群(1-3)に記載された構成単位、および、群(1-4)に記載された構成単位の少なくとも1種を含む、<1>~<6>のいずれか1つに記載の樹脂。
群(1-1)
群(1-2)
群(1-3)
群(1-4)
<8>群(1)に記載された構成単位が、群(1-1)に記載された構成単位または群(1-4)に記載された構成単位を含む、<7>に記載の樹脂。
<9>数平均分子量(Mn)が500~6,000、かつ、重量平均分子量(Mw)が500~15,000である、<1>~<8>のいずれか1つに記載の樹脂。
<10>前記樹脂の末端基が、水素原子、水酸基およびヒドロキシメチル基から選択される、<1>~<9>のいずれか1つに記載の樹脂。
<11>少なくとも、式(2)で表される化合物と群(4)に記載された構成単位を有する原料樹脂との反応物である樹脂。
式(2)
群(4)
<12>少なくとも、式(2)で表される化合物と群(4)に記載された構成単位を有する原料樹脂とを、塩基性化合物の存在下で反応させることを含む、樹脂の製造方法。
式(2)
群(4)
<13>式(2)において、R6がメチル基であり、R7およびR8が水素原子である、<12>に記載の樹脂の製造方法。
<14>群(4)において、R3、R4およびR5が、それぞれ独立に、炭素数1~10のアルキル基である、<12>または<13>に記載の樹脂の製造方法。
<15>群(4)において、R3、R4およびR5が、それぞれ独立に、炭素数1~5のアルキル基である、<12>または<13>に記載の樹脂の製造方法。
<16>前記原料樹脂の水酸基価が、100~600g/molである、<12>~<15>のいずれか1つに記載の樹脂の製造方法。
<17>群(4)に記載された構成単位が、群(4-1)に記載された構成単位、群(4-2)に記載された構成単位、群(4-3)に記載された構成単位、および、群(4-4)に記載された構成単位の少なくとも1種を含む、<12>~<16>のいずれか1つに記載の樹脂の製造方法。
群(4-1)
群(4-2)
群(4-3)
群(4-4)
<18>群(4)に記載された構成単位が、群(4-1)に記載された構成単位または群(4-4)に記載された構成単位を含む、<17>に記載の樹脂の製造方法。
<19>前記群(4)に記載された構成単位を有する原料樹脂の数平均分子量Mnが400~4,000、重量平均分子量Mwが400~16,000である、<12>~<18>のいずれか1つに記載の樹脂の製造方法。
<20>前記群(4)に記載された構成単位を有する原料樹脂の末端基が、水素原子、水酸基およびヒドロキシメチル基から選択される、<12>~<19>のいずれか1つに記載の樹脂の製造方法。
<21>前記塩基性化合物が、炭酸カリウム、炭酸ルビジウム、および、炭酸セシウムの少なくとも1種を含む、<12>~<20>のいずれか1つに記載の樹脂の製造方法。
<22>前記製造される樹脂が、<1>~<11>のいずれか1つに記載の樹脂である、<12>~<21>のいずれか1つに記載の樹脂の製造方法。
<23><1>~<11>のいずれか1つに記載の樹脂を含む、硬化性樹脂組成物。
<24>さらに、<1>~<11>のいずれか1つに記載の樹脂以外の熱硬化性化合物を含む、<23>に記載の硬化性樹脂組成物。
<25>前記熱硬化性化合物が、<1>~<11>のいずれか1つに記載の樹脂以外の炭素炭素不飽和結合基を有する化合物およびエポキシ樹脂から選択される少なくとも1種を含む、<23>または<24>に記載の硬化性樹脂組成物。
<26><23>~<25>のいずれか1つに記載の硬化性樹脂組成物の硬化物。
なお、本明細書において「~」とはその前後に記載される数値を下限値および上限値として含む意味で使用される。
本明細書において、各種物性値および特性値は、特に述べない限り、23℃におけるものとする。
本明細書における基(原子団)の表記において、置換および無置換を記していない表記は、置換基を有さない基(原子団)と共に置換基を有する基(原子団)をも包含する。例えば、「アルキル基」とは、置換基を有さないアルキル基(無置換アルキル基)のみならず、置換基を有するアルキル基(置換アルキル基)をも包含する。本明細書では、置換および無置換を記していない表記は、無置換の方が好ましい。
本明細書で示す規格が年度によって、測定方法等が異なる場合、特に述べない限り、2021年1月1日時点における規格に基づくものとする。
群(1)
R3~R5としてのハロゲン原子は、フッ素原子または塩素原子が好ましい。
R3~R5としての炭素数1~10のアルキル基は、炭素数1~5のアルキル基であることがより好ましく、メチル基、エチル基、i-プロピル基、n-プロピル基、n-ブチル基、またはt-ブチル基であることがより好ましく、t-ブチル基であることがさらに好ましい。
R3~R5としての炭素数1~10のハロゲン化アルキル基は、フッ素原子または塩素原子で置換された炭素数1~5のアルキル基であることがより好ましく、フルオロメチル基、クロロメチル基、フルオロエチル基またはクロロエチル基であることがさらに好ましい。
R3~R5としての炭素数1~10のヒドロキシアルキル基は、炭素数1~5のヒドロキシアルキル基であることがより好ましく、ヒドロキシメチル基またはヒドロキシエチル基であることがさらに好ましい。
R3~R5としての炭素数6~12のアリール基は、フェニル基が好ましい。
wは1~3の数を表し、2以上が好ましく、また、3以下が好ましい。
x、yおよびzは、それぞれ独立に、0~3の数を表し、1以上が好ましく、また、2以下が好ましく、1がより好ましい。
a、b、cおよびdの合計は、本実施形態における全構成単位を100としたときに、モル比率で、90以上であることが好ましく、95以上であることがより好ましく、末端基を除く全構成単位が100であることがさらに好ましい。
本実施形態の樹脂は、後述するとおり、少なくとも、式(2)で表される化合物と群(4)に記載された構成単位を有する原料樹脂との反応物であることが好ましい。さらには、本実施形態の樹脂は、式(2)で表される化合物および式(3)で表される化合物の少なくとも1種と、群(4)に記載された構成単位を有する原料樹脂の反応物であってもよい。
群(4)に記載された構成単位を有する原料樹脂は、例えば、キシレンとホルムアルデヒドから合成できる安価な樹脂であるキシレン樹脂やメシチレンとホルムアルデヒドから合成される安価な樹脂であるメシチレン樹脂が代表例として挙げられる。これらの原料樹脂を用いて、本実施形態の樹脂を得る場合、群(1-1)に記載された構成単位、群(1-2)に記載された構成単位、群(1-3)に記載された構成単位、群(1-4)に記載された構成単位の少なくとも1種を含む樹脂が得られる。特に、キシレン樹脂を用いた場合、群(1-1)に記載された構成単位を含む樹脂が優先的に得られる。また、メシチレン樹脂を用いた場合、群(1-4)に記載された構成単位を含む樹脂が優先的に得られる。本実施形態の樹脂は、群(1-4)に記載された構成単位の少なくとも1種を含む樹脂(例えば、メシチレン樹脂)とすることにより、樹脂の硬化開始温度を高くできる。
すなわち、群(1-1)に記載された構成単位、群(1-2)に記載された構成単位、群(1-3)に記載された構成単位、群(1-4)に記載された構成単位の少なくとも1種を含む樹脂とすることにより、本実施形態の樹脂を工業的に安価で製造しやすい、即実行性のある樹脂とすることができる。
群(1-2)
群(1-3)
群(1-4)
また、本実施形態の樹脂は、群(1)で示される各構成単位がランダム重合していても、ブロック重合していてもよい。
重量平均分子量および数平均分子量は、後述する実施例に記載の方法に従って測定される。
式(2)
群(4)
群(4)において、R1、R2、R3、R4、R5、v、w、x、y、z、a、b、cおよびdは、それぞれ、群(1)におけるR1、R2、R3、v、w、x、y、z、a、bおよびcと同義であり好ましい範囲も同様である。群(4)における末端基は、群(1)における末端基と同様である。
群(4-1)
群(4-2)
群(4-3)
群(4-4)
重量平均分子量および数平均分子量は、後述する実施例に記載の方法に従って測定される。
すなわち、式(2)で表される化合物由来の構造を導入することにより、得られる樹脂は、Tgが高くなるが、誘電特性が劣る傾向にある。そこで、原料の水酸基の量を上記のとおり調整することが望ましい。
水酸基当量は実施例の記載に従って測定される。
式(2)
本実施形態の樹脂の製造方法において、反応系に添加する群(4)に記載された構成単位を有する原料樹脂のフェノール性水酸基および式(2)で表される化合物のモル比率は、1:1.3~0.4であることが好ましく、1:1.2~0.5であることがより好ましい。
塩基性化合物は、炭酸カリウム、炭酸ルビジウムおよび炭酸セシウムの少なくとも1種から選択されることが好ましい。これらの塩基性化合物を触媒として用いることにより、群(4)に記載された構成単位を有する原料樹脂と式(2)で表される化合物の反応を効果的に促進させることができると共に、得られる化合物の収率が高くなる傾向にある。
本実施形態では、炭酸カリウム、炭酸ルビジウムおよび炭酸セシウムのうち、炭酸カリウムおよび炭酸セシウムが好ましく、炭酸カリウムがより好ましい。
炭酸カリウム、炭酸ルビジウムおよび炭酸セシウムの形態については、特に定めるものではないが、粉末状であることが好ましい。また、炭酸カリウム、炭酸ルビジウムおよび炭酸セシウムの形態は、微粉(平均粒径10~200μm程度)のものが好ましい。粉末状のものを用いると、比表面積が大きくなり、反応性を高めることができる。
本実施形態の製造方法においては、塩基性化合物を1種のみを用いてもよいし、2種以上を用いてもよい。2種以上用いる場合、合計量が上記範囲となることが好ましい。
式(3)
溶媒は、特に制限なく用いることができるが、非プロトン性溶媒が好ましく、芳香族炭化水素溶媒、および、エーテル溶媒の少なくとも1種がより好ましい。非プロトン性溶媒を用いることにより、フェノール性水酸基由来のO-への作用が効果的に進行する傾向にある。
本実施形態の樹脂の製造方法で製造される樹脂は、上述の本実施形態の樹脂であることが好ましい。従って、本実施形態の樹脂の製造方法で製造される樹脂の重量平均分子量(Mw)および、数平均分子量(Mn)は、それぞれ、上述の本実施形態の樹脂の重量平均分子量(Mw)および数平均分子量(Mn)と同じ範囲が好ましい。
本実施形態の樹脂は、硬化性樹脂組成物として用いることができる。前記硬化性樹脂組成物は、1種または2種以上の本実施形態の樹脂のみからなっていてもよいし、さらに、本実施形態の樹脂以外の熱硬化性化合物を含んでいてもよい。前記熱硬化性化合物は、本実施形態の樹脂以外の化合物であって炭素炭素不飽和結合基を有する化合物およびエポキシ樹脂から選択される少なくとも1種を含むことが好ましい。
さらに、前記硬化性樹脂組成物は、1種または2種以上の各種添加剤を含有してもよい。添加剤としては、硬化開始剤、難燃剤、紫外線吸収剤、酸化防止剤、光重合開始剤、蛍光増白剤、光増感剤、染料、顔料、増粘剤、流動調整剤、滑剤、消泡剤、分散剤、レベリング剤、光沢剤、重合禁止剤等が挙げられる。
本実施形態の硬化性樹脂組成物が硬化開始剤を含む場合、その配合量は、本実施形態の樹脂100質量部に対し、0.1質量部以上であることが好ましく、0.5質量部以上であることがより好ましく、1.0質量部以上であることがさらに好ましく、また、10.0質量部以下であることが好ましく、5.0質量部以下であることがより好ましく、3.0質量部以下であることがさらに好ましく、2.0質量部以下であることが一層好ましい。本実施形態の硬化性樹脂組成物は、硬化開始剤を1種のみ含んでいてもよいし、2種以上含んでいてもよい。2種以上含む場合、合計量が上記範囲となることが好ましい。
実施例で用いた測定機器等が廃番等により入手困難な場合、他の同等の性能を有する機器を用いて測定することができる。
樹脂の数平均分子量および重量平均分子量は、ゲルパーミエーションクロマトグラフィ(GPC)法により求めた。
分析カラムには昭和電工(株)製のKF-801、KF-802、KF-803、KF-804を連結して用い、検出には(株)島津製作所製、示差屈折検出器RID-20Aを用いた。溶離液であるテトラヒドロフラン3gに測定対象である樹脂を10mg溶解し、カラムへの注入量を20μLとし、溶離液流量1mL/min、カラム温度40℃で分析を行った。東ソー(株)製、標準ポリスチレンPStQuick MP-Nにより分子量校正曲線を作成し、ポリスチレン換算分子量を見積もった。
原料フェノール類変性キシレン樹脂および原料フェノール類変性メシチレン樹脂の水酸基価はJIS K0070-92-7.1に準拠する形で測定を実施した。
上記樹脂のフェノール性水酸基含量は、プロトン核磁気共鳴スペクトル(1H-NMR)分析により算出した。具体的には1.07~1.24ppm付近のp-tert-ブチル基のプロトンのピーク面積を9としたときの4.2~5.4ppm付近のフェノール性水酸基のプロトンのピーク面積について、反応前後での減少率[%]をフェノール性水酸基の変性率[%]として、下記式により算出した。
(樹脂の水酸基含量[mmol/g])=(原料樹脂の水酸基含量[mmol/g])×(100-(変性率[%]))/100
使用機器:Bruker社製 AVANCEIII500(500MHz)
メタクリル基含量は、プロトン核磁気共鳴スペクトル(1H-NMR)分析により算出した。具体的には、1.07~1.24ppm付近のp-tert-ブチル基のプロトンのピーク面積を9としたときの5.4~5.8ppm付近のメタクリル基末端プロトンの1つのピーク面積に対して100を乗じた値をメタクリル化率[%]とし、得られたメタクリル化率およびフェノール性水酸基の変性率、原料樹脂の水酸基含量、変性置換基の分子量を基にメタクリル基含量[mmol/g]を算出した。また、4.2~5.4ppm付近のフェノール類変性キシレン樹脂またはフェノール類変性メシチレン樹脂のフェノール性水酸基のピークが反応後では消滅していることから、反応が完全に進行していることを確認した。
使用機器:Bruker社製 AVANCEIII500(500MHz)
温度計、および、撹拌機を備えた0.5L容のセパラブルフラスコにキシレンホルムアルデヒド樹脂(フドー社製、「ニカノールG」)200.0g、p-tert-ブチルフェノール(DIC社製)253.2g(1.69mol)、および、パラトルエンスルホン酸一水和物(富士フイルム和光純薬社製)0.14g(0.74mmol)を仕込み、90℃まで昇温した。さらに、脱水しながら220℃まで5時間掛けて昇温し、反応させた。次に、尿素(東京化成工業株式会社)0.09g(1.50mmol)を添加して反応を停止し、p-tert-ブチルフェノール変性キシレン樹脂411.4gを得た。得られた樹脂の数平均分子量、重量平均分子量および水酸基価は前述した条件に従って測定し、表1に示した。
温度計、および、撹拌機を備えた0.5L容のセパラブルフラスコにキシレンホルムアルデヒド樹脂(フドー社製、「ニカノールH」)250.0g、p-tert-ブチルフェノール(DIC社製)166.7g(1.11mol)、および、パラトルエンスルホン酸一水和物(富士フイルム和光純薬社製)0.14g(0.74mmol)を仕込み、115℃まで昇温した。さらに、脱水しながら180℃まで6時間掛けて昇温し、反応させた。次に、尿素(東京化成工業株式会社)0.14g(2.33mmol)を添加して反応を停止し、p-tert-ブチルフェノール変性キシレン樹脂375.2gを得た。得られた樹脂の数平均分子量、重量平均分子量および水酸基価は前述した条件に従って測定し、表1に示した。
温度計、ジムロート冷却管、および、撹拌機を備えた底抜きが可能な1.0L容のセパラブルフラスコに37質量%ホルマリン水溶液(ホルムアルデヒドとして7.66mol、三菱ガス化学社製)621.6gを仕込んだ。撹拌しながら98質量%硫酸(富士フイルム和光純薬社製)132.9g(1.33mol)、および、メシチレン(富士フイルム和光純薬社製)459.7g(3.82mol)を加え、常圧下、100℃前後で還流しながら4時間反応させた。次いで、希釈溶媒としてメシチレン(富士フイルム和光純薬社製)335gを加え、静置後、分離した上相の油相を残し、下相の水相を除去した。さらに、油相に対して中和および水洗を行い、未反応原料などを減圧下で留去し、メシチレンホルムアルデヒド樹脂578.6gを得た。得られた樹脂の数平均分子量および重量平均分子量は前述した条件に従って測定し、表1に示した。
温度計、および、撹拌機を備えた0.5L容のセパラブルフラスコに合成例3で得られたメシチレンホルムアルデヒド樹脂200.0g、p-tert-ブチルフェノール(DIC社製)163.1g(1.09mol)、および、パラトルエンスルホン酸一水和物(富士フイルム和光純薬社製)0.42g(0.22mmol)を仕込み、115℃まで昇温した。さらに、脱水しながら200℃まで1時間掛けて昇温し、反応させた。次に、尿素(東京化成工業株式会社)0.05g(0.83mmol)を添加して反応を停止し、p-tert-ブチルフェノール変性メシチレン樹脂346.1gを得た。得られた樹脂の数平均分子量、重量平均分子量および水酸基価は前述した条件に従って測定し、表1に示した。
温度計、および、撹拌機を備えた0.5リットルセパラブルフラスコに合成例3で得られたメシチレンホルムアルデヒド樹脂100.3g、p-tert-ブチルフェノール(DIC社製)134.1g(0.89mol)、92%パラホルムアルデヒド(三菱ガス化学株式会社製)9.32g、および、パラトルエンスルホン酸一水和物(富士フイルム和光純薬社製)0.28g(0.15mmol)を仕込み、90℃まで昇温した。さらに、脱水しながら220℃まで5時間掛けて昇温し、反応させた。次に、尿素(東京化成工業株式会社)0.04g(0.67mmol)を添加して反応を停止し、p-tert-ブチルフェノール変性メシチレン樹脂251.6gを得た。得られた樹脂の数平均分子量、重量平均分子量および水酸基価は前述した条件に従って測定し、表1に示した。
撹拌装置、温度計および還流管を備えた300mL容の四ツ口フラスコに窒素雰囲気下で、合成例1で得られたp-tert-ブチルフェノール変性キシレン樹脂22.0g(水酸基モル数換算で96.2mmol)、190gのテトラヒドロフラン(富士フイルム和光純薬社製)、66.5g(481mmol)の炭酸カリウム(富士フイルム和光純薬社製、平均粒径150μm以下)および11.2g(72.7mmol)のメタクリル酸無水物(東京化成工業社製)を仕込み、70℃で24時間反応させ、さらに、18.1g(177mmol)の無水酢酸(富士フイルム和光純薬社製)を添加して70℃で24時間反応させた。反応液を空冷後に、0.45μmフィルターを通してろ過し、得られた溶液を精製水に滴下することで固形化した。固形化物を回収し、精製水、次いでメタノールで洗浄した。得られた固体を再度精製水、メタノールで洗浄した後、減圧乾燥して目的とするメタクリル化合物23.1gを得た。得られたメタクリル化合物の数平均分子量、重量平均分子量およびメタクリル基含量は前述した条件に従って測定し、表2に示した。
以下の方法に従って、硬化物を作製した。また、得られた硬化物の誘電特性、ガラス転移温度、および、5%重量減少温度を測定し、表2に示した。
硬化物は、上記で得られたメタクリル化合物に対して1.5質量部のパーブチル(登録商標)P(日油社製)を添加した混合物を縦100mm、横30mmの金型に入れ、1.92MPaの圧力で、200℃で1時間半真空熱プレスすることで作製した。
使用機器:北川精機株式会社製5段プレス機VH2-1630
硬化物の誘電率および誘電正接は、得られた硬化物を厚さ1mm、横0.8mm、縦100mmにカットしたものについて、120℃で1時間乾燥後に、空洞共振摂動法により10GHzにおける値を測定した。
使用機器:Agilent社製8722ESNetworkAnalyzer
硬化物のガラス転移温度は、得られた硬化物を横5mm、縦40mmにカットしたものについて動的粘弾性測定を行い、得られた動的弾性率のピーク温度とした。単位は、℃で示した。
使用機器:日立ハイテクサイエンス社製DMA7100
昇温速度:5℃/min
周波数:正弦波、10Hz
硬化物の5%重量減少温度は、得られた硬化物を約10mgにカットしたものについて熱重量・示差熱同時測定を行い、重量が5%減少した際の温度とした。単位は、℃で示した。
使用機器:日立ハイテクサイエンス社製STA7200
昇温速度:10℃/min
実施例1において、炭酸カリウム(富士フイルム和光純薬社製、平均粒径150μm以下)の仕込み量を66.4g(480mmol)に代えたこと、メタクリル酸無水物(東京化成工業社製)の仕込み量を12.4g(80.5mmol)に代えたこと、無水酢酸(富士フイルム和光純薬社製)の仕込み量を14.9g(146mmol)に代えたこと以外は実施例1と同様にして反応および精製を行い、目的とするメタクリル化合物21.6gを得た。得られたメタクリル化合物の数平均分子量、重量平均分子量およびメタクリル化率は前述した条件に従って測定し、表2に示した。
実施例1と同様にして作製した硬化物の誘電特性、ガラス転移温度、および、5%重量減少温度を測定し、表2に示した。
実施例1において、p-tert-ブチルフェノール変性キシレン樹脂の仕込み量を22.1g(水酸基モル数換算で96.3mmol)に代えたこと、テトラヒドロフラン(富士フイルム和光純薬社製)の仕込み量を191gに代えたこと、炭酸カリウム(富士フイルム和光純薬社製、平均粒径150μm以下)の仕込み量を66.6g(482mmol)に代えたこと、メタクリル酸無水物(東京化成工業社製)の仕込み量を12.3g(79.7mmol)に代えたこと、無水酢酸(富士フイルム和光純薬社製)の仕込み量を15.3g(150mmol)に代えたこと以外は実施例1と同様にして反応および精製を行い、目的とするメタクリル化合物23.8gを得た。得られたメタクリル化合物の数平均分子量、重量平均分子量およびメタクリル化率は前述した条件に従って測定し、表2に示した。
実施例1と同様にして作製した硬化物の誘電特性、ガラス転移温度、および、5%重量減少温度を測定し、表2に示した。
実施例1において、炭酸カリウム(富士フイルム和光純薬社製、平均粒径150μm以下)の仕込み量を66.5g(481mmol)に代えたこと、メタクリル酸無水物(東京化成工業社製)の仕込み量を13.7g(88.8mmol)に代えたこと、無水酢酸(富士フイルム和光純薬社製)の仕込み量を11.8g(115mmol)に代えたこと以外は実施例1と同様にして反応および精製を行い、目的とするメタクリル化合物23.9gを得た。得られたメタクリル化合物の数平均分子量、重量平均分子量およびメタクリル化率は前述した条件に従って測定し、表2に示した。
実施例1と同様にして作製した硬化物の誘電特性、ガラス転移温度、および、5%重量減少温度を測定し、表2に示した。
実施例1において、合成例1で得られたp-tert-ブチルフェノール変性キシレン樹脂に代えて、合成例2で得られたp-tert-ブチルフェノール変性キシレン樹脂22.6g(水酸基モル数換算で66.4mmol)を用いたこと、テトラヒドロフラン(富士フイルム和光純薬社製)の仕込み量を200gに代えたこと、炭酸カリウム(富士フイルム和光純薬社製、平均粒径150μm以下)の仕込み量を45.9g(332mmol)に代えたこと、メタクリル酸無水物(東京化成工業社製)の仕込み量を12.6g(81.7mmol)に代えたこと、無水酢酸(富士フイルム和光純薬社製)の仕込み量を8.1g(79.5mmol)に代えたこと以外は実施例1と同様にして反応および精製を行い、目的とするメタクリル化合物20.7gを得た。得られたメタクリル化合物の数平均分子量、重量平均分子量およびメタクリル化率は前述した条件に従って測定し、表2に示した。
実施例1と同様にして作製した硬化物の誘電特性、および、5%重量減少温度を測定し、表2に示した。
実施例1において、p-tert-ブチルフェノール変性キシレン樹脂の仕込み量を17.1g(水酸基モル数換算で74.5mmol)に代えたこと、テトラヒドロフラン(富士フイルム和光純薬社製)の仕込み量を223gに代えたこと、炭酸カリウム(富士フイルム和光純薬社製、平均粒径150μm以下)の仕込み量を60.4g(437mmol)に代えたこと、メタクリル酸無水物(東京化成工業社製)の仕込み量を10.4g(67.3mmol)に代えたこと、無水酢酸(富士フイルム和光純薬社製)に代えて無水安息香酸(東京化成工業社製)26.7g(118mmol)を用いたこと以外は実施例1と同様にして反応および精製を行い、目的とするメタクリル化合物21.4gを得た。得られたメタクリル化合物の数平均分子量、重量平均分子量およびメタクリル化率は前述した条件に従って測定し、表3に示した。
実施例1と同様にして作製した硬化物の誘電特性、ガラス転移温度、および、5%重量減少温度を測定し、表3に示した。
実施例1において、合成例1で得られたp-tert-ブチルフェノール変性キシレン樹脂に代えて、合成例4で得られたp-tert-ブチルフェノール変性メシチレン樹脂22.2g(水酸基モル数換算で70.5mmol)を用いたこと、テトラヒドロフラン(富士フイルム和光純薬社製)の仕込み量を200gに代えたこと、炭酸カリウム(富士フイルム和光純薬社製、平均粒径150μm以下)の仕込み量を38.8g(281mmol)に代えたこと、メタクリル酸無水物(東京化成工業社製)の仕込み量を13.3g(86.4mmol)に代えたこと、無水酢酸(富士フイルム和光純薬社製)の仕込み量を5.77g(56.5mmol)に代えたこと以外は実施例1と同様にして反応および精製を行い、目的とするメタクリル化合物24.4gを得た。得られたメタクリル化合物の数平均分子量、重量平均分子量およびメタクリル化率は前述した条件に従って測定し、表3に示した。
実施例1と同様にして作製した硬化物の誘電特性、ガラス転移温度、および、5%重量減少温度を測定し、表3に示した。
実施例1において、合成例1で得られたp-tert-ブチルフェノール変性キシレン樹脂に代えて、合成例5で得られたp-tert-ブチルフェノール変性メシチレン樹脂15.0g(水酸基モル数換算で59.8mmol)を用いたこと、テトラヒドロフラン(富士フイルム和光純薬社製)の仕込み量を136gに代えたこと、炭酸カリウム(富士フイルム和光純薬社製、平均粒径150μm以下)の仕込み量を33.4g(242mmol)に代えたこと、メタクリル酸無水物(東京化成工業社製)の仕込み量を11.3g(73.3mmol)に代えたこと、無水酢酸(富士フイルム和光純薬社製)の仕込み量を4.88g(47.8mmol)に代えたこと以外は実施例1と同様にして反応および精製を行い、目的とするメタクリル化合物16.6gを得た。得られたメタクリル化合物の数平均分子量、重量平均分子量およびメタクリル化率は前述した条件に従って測定し、表3に示した。
実施例1と同様にして作製した硬化物の誘電特性、ガラス転移温度、および、5%重量減少温度を測定し、表3に示した。
一般的な両末端メタクリル基ポリフェニレンエーテルであるSA9000(SABIC社製)に対して1.5質量部のパーブチル(登録商標)P(日油社製)を添加した混合物を用いて、実施例1と同様にして硬化物を作製した。得られた硬化物を用いて誘電特性、ガラス転移温度、および、5%重量減少温度を測定し、表3に示した。
Claims (26)
- 群(1)に記載された構成単位を有する樹脂。
群(1)
- 群(1)において、R6がメチル基であり、R7およびR8が水素原子である、請求項1に記載の樹脂。
- 群(1)において、R3、R4およびR5が、それぞれ独立に、炭素数1~10のアルキル基である、請求項1または2に記載の樹脂。
- 群(1)において、R3、R4およびR5が、それぞれ独立に、炭素数1~5のアルキル基である、請求項1または2に記載の樹脂。
- 前記樹脂のフェノール性水酸基含量が、0.5mmol/g以下である、請求項1~4のいずれか1項に記載の樹脂。
- 群(1)に記載された構成単位が、群(1-1)に記載された構成単位、群(1-2)に記載された構成単位、群(1-3)に記載された構成単位、および、群(1-4)に記載された構成単位の少なくとも1種を含む、請求項1~6のいずれか1項に記載の樹脂。
群(1-1)
群(1-2)
群(1-3)
群(1-4)
- 群(1)に記載された構成単位が、群(1-1)に記載された構成単位または群(1-4)に記載された構成単位を含む、請求項7に記載の樹脂。
- 数平均分子量(Mn)が500~6,000、かつ、重量平均分子量(Mw)が500~15,000である、請求項1~8のいずれか1項に記載の樹脂。
- 前記樹脂の末端基が、水素原子、水酸基およびヒドロキシメチル基から選択される、請求項1~9のいずれか1項に記載の樹脂。
- 少なくとも、式(2)で表される化合物と群(4)に記載された構成単位を有する原料樹脂との反応物である樹脂。
式(2)
群(4)
- 少なくとも、式(2)で表される化合物と群(4)に記載された構成単位を有する原料樹脂とを、塩基性化合物の存在下で反応させることを含む、樹脂の製造方法。
式(2)
群(4)
- 式(2)において、R6がメチル基であり、R7およびR8が水素原子である、請求項12に記載の樹脂の製造方法。
- 群(4)において、R3、R4およびR5が、それぞれ独立に、炭素数1~10のアルキル基である、請求項12または13に記載の樹脂の製造方法。
- 群(4)において、R3、R4およびR5が、それぞれ独立に、炭素数1~5のアルキル基である、請求項12または13に記載の樹脂の製造方法。
- 前記原料樹脂の水酸基価が、100~600g/molである、請求項12~15のいずれか1項に記載の樹脂の製造方法。
- 群(4)に記載された構成単位が、群(4-1)に記載された構成単位、群(4-2)に記載された構成単位、群(4-3)に記載された構成単位、および、群(4-4)に記載された構成単位の少なくとも1種を含む、請求項12~16のいずれか1項に記載の樹脂の製造方法。
群(4-1)
群(4-2)
群(4-3)
群(4-4)
- 群(4)に記載された構成単位が、群(4-1)に記載された構成単位または群(4-4)に記載された構成単位を含む、請求項17に記載の樹脂の製造方法。
- 前記群(4)に記載された構成単位を有する原料樹脂の数平均分子量Mnが400~4,000、重量平均分子量Mwが400~16,000である、請求項12~18のいずれか1項に記載の樹脂の製造方法。
- 前記群(4)に記載された構成単位を有する原料樹脂の末端基が、水素原子、水酸基およびヒドロキシメチル基から選択される、請求項12~19のいずれか1項に記載の樹脂の製造方法。
- 前記塩基性化合物が、炭酸カリウム、炭酸ルビジウム、および、炭酸セシウムの少なくとも1種を含む、請求項12~20のいずれか1項に記載の樹脂の製造方法。
- 前記製造される樹脂が、請求項1~11のいずれか1項に記載の樹脂である、請求項12~21のいずれか1項に記載の樹脂の製造方法。
- 請求項1~11のいずれか1項に記載の樹脂を含む、硬化性樹脂組成物。
- さらに、請求項1~11のいずれか1項に記載の樹脂以外の熱硬化性化合物を含む、請求項23に記載の硬化性樹脂組成物。
- 前記熱硬化性化合物が、請求項1~11のいずれか1項に記載の樹脂以外の炭素炭素不飽和結合基を有する化合物およびエポキシ樹脂から選択される少なくとも1種を含む、請求項23または24に記載の硬化性樹脂組成物。
- 請求項23~25のいずれか1項に記載の硬化性樹脂組成物の硬化物。
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WO2022034752A1 (ja) * | 2020-08-12 | 2022-02-17 | 三菱瓦斯化学株式会社 | 樹脂、樹脂の製造方法、硬化性樹脂組成物および硬化物 |
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JPH01108212A (ja) | 1987-10-21 | 1989-04-25 | Sumitomo Chem Co Ltd | ビニルベンジルエーテル化クレゾールノボラック樹脂 |
JP2002003563A (ja) * | 2000-06-20 | 2002-01-09 | Taiyo Ink Mfg Ltd | カリックスアレーン誘導体及びそれを含有するアルカリ現像型光硬化性組成物 |
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