JP7356443B2 - 光造形用樹脂組成物 - Google Patents
光造形用樹脂組成物 Download PDFInfo
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- JP7356443B2 JP7356443B2 JP2020551129A JP2020551129A JP7356443B2 JP 7356443 B2 JP7356443 B2 JP 7356443B2 JP 2020551129 A JP2020551129 A JP 2020551129A JP 2020551129 A JP2020551129 A JP 2020551129A JP 7356443 B2 JP7356443 B2 JP 7356443B2
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- 239000011342 resin composition Substances 0.000 title claims description 96
- -1 acrylic compound Chemical class 0.000 claims description 150
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 122
- 150000001875 compounds Chemical class 0.000 claims description 47
- 238000009835 boiling Methods 0.000 claims description 37
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 34
- 125000001931 aliphatic group Chemical group 0.000 claims description 29
- 125000004432 carbon atom Chemical group C* 0.000 claims description 29
- 150000003077 polyols Chemical class 0.000 claims description 26
- 239000003999 initiator Substances 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 21
- 229920005862 polyol Polymers 0.000 claims description 19
- 150000002009 diols Chemical group 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 229920000515 polycarbonate Polymers 0.000 claims description 13
- 239000004417 polycarbonate Substances 0.000 claims description 13
- 229920000728 polyester Polymers 0.000 claims description 11
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 8
- 229920000570 polyether Polymers 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 26
- 239000007788 liquid Substances 0.000 description 24
- 238000005452 bending Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 16
- 239000000203 mixture Substances 0.000 description 13
- 239000001294 propane Substances 0.000 description 13
- 239000011521 glass Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 10
- 238000006116 polymerization reaction Methods 0.000 description 9
- 239000000945 filler Substances 0.000 description 8
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 8
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 8
- 238000005227 gel permeation chromatography Methods 0.000 description 7
- 150000002430 hydrocarbons Chemical group 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- SXFJDZNJHVPHPH-UHFFFAOYSA-N 3-methylpentane-1,5-diol Chemical compound OCCC(C)CCO SXFJDZNJHVPHPH-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 6
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 6
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 5
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 5
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- 239000005058 Isophorone diisocyanate Substances 0.000 description 5
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 229920005906 polyester polyol Polymers 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 description 4
- SDQROPCSKIYYAV-UHFFFAOYSA-N 2-methyloctane-1,8-diol Chemical compound OCC(C)CCCCCCO SDQROPCSKIYYAV-UHFFFAOYSA-N 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 229920001400 block copolymer Polymers 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 238000001723 curing Methods 0.000 description 4
- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 4
- GHLKSLMMWAKNBM-UHFFFAOYSA-N dodecane-1,12-diol Chemical compound OCCCCCCCCCCCCO GHLKSLMMWAKNBM-UHFFFAOYSA-N 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- XSMIOONHPKRREI-UHFFFAOYSA-N undecane-1,11-diol Chemical compound OCCCCCCCCCCCO XSMIOONHPKRREI-UHFFFAOYSA-N 0.000 description 4
- HDMPSPHLMYRMKD-UHFFFAOYSA-N 2,7-dimethyloctane-1,8-diol Chemical compound OCC(C)CCCCC(C)CO HDMPSPHLMYRMKD-UHFFFAOYSA-N 0.000 description 3
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 3
- MWCBGWLCXSUTHK-UHFFFAOYSA-N 2-methylbutane-1,4-diol Chemical compound OCC(C)CCO MWCBGWLCXSUTHK-UHFFFAOYSA-N 0.000 description 3
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
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- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 3
- 239000012766 organic filler Substances 0.000 description 3
- 150000001451 organic peroxides Chemical class 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 229910052712 strontium Inorganic materials 0.000 description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 3
- WNZVVHVYAKZZBU-UHFFFAOYSA-N 1,17-Heptadecanediol Chemical compound OCCCCCCCCCCCCCCCCCO WNZVVHVYAKZZBU-UHFFFAOYSA-N 0.000 description 2
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- VZXPHDGHQXLXJC-UHFFFAOYSA-N 1,6-diisocyanato-5,6-dimethylheptane Chemical compound O=C=NC(C)(C)C(C)CCCCN=C=O VZXPHDGHQXLXJC-UHFFFAOYSA-N 0.000 description 2
- VNQXSTWCDUXYEZ-UHFFFAOYSA-N 1,7,7-trimethylbicyclo[2.2.1]heptane-2,3-dione Chemical compound C1CC2(C)C(=O)C(=O)C1C2(C)C VNQXSTWCDUXYEZ-UHFFFAOYSA-N 0.000 description 2
- ZUZAETTVAMCNTO-UHFFFAOYSA-N 2,3-dibutylbenzene-1,4-diol Chemical compound CCCCC1=C(O)C=CC(O)=C1CCCC ZUZAETTVAMCNTO-UHFFFAOYSA-N 0.000 description 2
- QSXIQLGLLBVKPF-UHFFFAOYSA-N 2,8-dimethylnonane-1,9-diol Chemical compound OCC(C)CCCCCC(C)CO QSXIQLGLLBVKPF-UHFFFAOYSA-N 0.000 description 2
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 2
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- GQSJKULLLUNPMA-UHFFFAOYSA-N 2-methylnonane-1,9-diol Chemical compound OCC(C)CCCCCCCO GQSJKULLLUNPMA-UHFFFAOYSA-N 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- YDIYEOMDOWUDTJ-UHFFFAOYSA-N 4-(dimethylamino)benzoic acid Chemical compound CN(C)C1=CC=C(C(O)=O)C=C1 YDIYEOMDOWUDTJ-UHFFFAOYSA-N 0.000 description 2
- OTFAQGCBYAXPCR-UHFFFAOYSA-N CC1=C(C(=O)COP(C2=CC=CC=C2)=O)C(=CC(=C1)C)C Chemical compound CC1=C(C(=O)COP(C2=CC=CC=C2)=O)C(=CC(=C1)C)C OTFAQGCBYAXPCR-UHFFFAOYSA-N 0.000 description 2
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
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- 229910052724 xenon Inorganic materials 0.000 description 2
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- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 210000001738 temporomandibular joint Anatomy 0.000 description 1
- XLKZJJVNBQCVIX-UHFFFAOYSA-N tetradecane-1,14-diol Chemical compound OCCCCCCCCCCCCCCO XLKZJJVNBQCVIX-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- DXNCZXXFRKPEPY-UHFFFAOYSA-N tridecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCC(O)=O DXNCZXXFRKPEPY-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- C08F290/02—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 end groups
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Description
[1]ウレタン化(メタ)アクリル化合物(A)、及び光重合開始剤(B)を含有し、
前記ウレタン化(メタ)アクリル化合物(A)が、
1分子内に、分岐構造を有する炭素数4~18の脂肪族鎖状ジオール単位(a)に由来する構造を有するポリエステル、ポリカーボネート、ポリウレタン、及びポリエーテルからなる群より選ばれる少なくとも1種のポリオール部分、並びにウレタン結合、を含有する(メタ)アクリレートである、光造形用樹脂組成物;
[2]前記ウレタン化(メタ)アクリル化合物(A)が、1分子内に、分岐構造を有しない炭素数4~18の脂肪族鎖状ジカルボン酸及び/又は芳香族ジカルボン酸単位(b)に由来する構造を有するポリエステル、並びに、分岐構造を有しない炭素数4~18の脂肪族鎖状ジオール単位(c)に由来する構造を有するポリカーボネート、からなる群より選ばれる少なくとも1種のポリオール部分を含有する(メタ)アクリレートである、[1]に記載の光造形用樹脂組成物;
[3]前記ウレタン化(メタ)アクリル化合物(A)が含有するポリオール部分の重量平均分子量が400~10000である、[1]又は[2]に記載の光造形用樹脂組成物;
[4]前記ウレタン化(メタ)アクリル化合物(A)の重量平均分子量が1000~20000である、[1]~[3]のいずれかに記載の光造形用樹脂組成物;
[5]さらに、粘度1000mPa・s以下かつ常圧沸点280℃以上の(メタ)アクリル酸エステル化合物(C)及び/又は粘度1000mPa・s以下かつ常圧沸点200℃以上の(メタ)アクリルアミド化合物(D)を含有する、[1]~[4]のいずれかに記載の光造形用樹脂組成物;
[6]前記粘度1000mPa・s以下かつ常圧沸点280℃以上の(メタ)アクリル酸エステル化合物(C)及び/又は前記粘度1000mPa・s以下かつ常圧沸点200℃以上の(メタ)アクリルアミド化合物(D)が単官能である、[5]に記載の光造形用樹脂組成物;
[7]前記粘度1000mPa・s以下かつ常圧沸点280℃以上の(メタ)アクリル酸エステル化合物(C)が炭素数11~18の炭化水素基を有する脂肪族(メタ)アクリル酸エステルである、[5]又は[6]に記載の光造形用樹脂組成物;
[8]前記炭素数11~18の炭化水素基を有する脂肪族(メタ)アクリル酸エステルが、ラウリル(メタ)アクリレート、トリデシル(メタ)アクリレート、テトラデシル(メタ)アクリレート、ペンタデシル(メタ)アクリレート、セチル(メタ)アクリレート、オレイル(メタ)アクリレート、及びイソボルニルシクロヘキシル(メタ)アクリレートからなる群から選ばれる少なくとも1種である、[7]に記載の光造形用樹脂組成物;
[9][1]~[8]のいずれかに記載の光造形用樹脂組成物の硬化物からなる、歯科用マウスピース;
[10][1]~[8]のいずれかに記載の光造形用樹脂組成物の硬化物からなる、義歯床材料;
[11][1]~[8]のいずれかに記載の光造形用樹脂組成物を用いて、光学的立体造形法によって立体造形物を製造する方法。
ウレタン化(メタ)アクリル化合物(A)は、本発明の光造形用樹脂組成物において、硬化性を付与し低粘度化するため、光造形用樹脂組成物の硬化物に、靭性、耐水性を付与するために用いられる。
本発明に用いられる光重合開始剤(B)は、一般工業界で使用されている光重合開始剤から選択して使用でき、中でも歯科用途に使用されている光重合開始剤が好ましい。
粘度1000mPa・s以下かつ常圧沸点280℃以上の(メタ)アクリル酸エステル化合物(C)(以下、単に「(メタ)アクリル酸エステル化合物(C)」と称することがある)は、本発明の光造形用樹脂組成物において、光造形用樹脂組成物を低粘度化でき、硬化物に耐水性を付与するために用いられる。なお、常圧沸点280℃以上である場合、本発明の光造形用樹脂組成物から不快な臭気を感じにくくなる。(メタ)アクリル酸エステル化合物(C)の常圧沸点は、300℃以上であることが好ましく、320℃以上であることがより好ましい。(メタ)アクリル酸エステル化合物(C)の粘度としては、500mPa・s以下であることが好ましく、200mPa・s以下であることがより好ましい。(メタ)アクリル酸エステル化合物(C)は1種を単独で使用してもよく、2種以上を併用してもよい。
粘度1000mPa・s以下かつ常圧沸点200℃以上の(メタ)アクリルアミド化合物(D)(以下、単に「(メタ)アクリルアミド化合物(D)」と称することがある)は、本発明の光造形用樹脂組成物において、光造形用樹脂組成物を低粘度化でき、硬化性を付与するために用いられる。(メタ)アクリルアミド化合物(D)の常圧沸点は、225℃以上であることが好ましく、250℃以上であることがより好ましい。常圧沸点250℃以上である場合、本発明の光造形用樹脂組成物から不快な臭気を感じにくくなる。(メタ)アクリルアミド化合物(D)の粘度としては、500mPa・s以下であることが好ましく、200mPa・s以下であることがより好ましい。(メタ)アクリルアミド化合物(D)は1種を単独で使用してもよく、2種以上を併用してもよい。
(1)撹拌機、温度調節器、温度計及び凝縮器を備えた内容積5Lの四つ口フラスコに、イソホロンジイソシアネート250g、及びジラウリル酸ジ-n-ブチルスズ0.15gを添加して、撹拌下に70℃に加熱した。
(2)一方、ポリカーボネートポリオール(株式会社クラレ製「クラレポリオール(登録商標) C-1090」;1,6-ヘキサンジオール/3-メチル-1,5-ペンタンジオール=9/1(質量比)からなるポリオール、重量平均分子量Mw1000)1000gを側管付きの滴下漏斗に添加し、この滴下漏斗の液を、上記(1)のフラスコ中に滴下した。なお、上記(1)のフラスコ中の溶液を撹拌しつつ、フラスコの内温を65~75℃に保持しながら4時間かけて等速で滴下した。さらに、滴下終了後、同温度で2時間撹拌して反応させた。
(3)次いで、別の滴下漏斗に添加した2-ヒドロキシエチルアクリレート150gとヒドロキノンモノメチルエーテル0.4gとを均一に溶解させた液をフラスコの内温を55~65℃に保持しながら2時間かけて等速で滴下した後、フラスコ内の溶液の温度を70~80℃に保持しながら4時間反応させることにより、ウレタン化(メタ)アクリル化合物(A-1)を得た。GPC分析によるウレタン化(メタ)アクリル化合物(A-1)の重量平均分子量Mwは1700であった。
(1)撹拌機、温度調節器、温度計及び凝縮器を備えた内容積5Lの四つ口フラスコに、イソホロンジイソシアネート250g、及びジラウリル酸ジ-n-ブチルスズ0.15gを添加して、撹拌下に70℃に加熱した。
(2)一方、ポリエステルポリオール(株式会社クラレ製「クラレポリオール(登録商標) P-2050」;セバシン酸と3-メチル-1,5-ペンタンジオールからなるポリオール、重量平均分子量Mw2000)2500gを側管付きの滴下漏斗に添加し、この滴下漏斗の液を、上記(1)のフラスコ中に滴下した。なお、上記(1)のフラスコ中の溶液を撹拌しつつ、フラスコの内温を65~75℃に保持しながら4時間かけて等速で滴下した。さらに、滴下終了後、同温度で2時間撹拌して反応させた。
(3)次いで、別の滴下漏斗に添加した2-ヒドロキシエチルアクリレート150gとヒドロキノンモノメチルエーテル0.4gとを均一に溶解させた液をフラスコの内温を55~65℃に保持しながら2時間かけて等速で滴下した後、フラスコ内の溶液の温度を70~80℃に保持しながら4時間反応させることにより、ウレタン化(メタ)アクリル化合物(A-2)を得た。GPC分析によるウレタン化(メタ)アクリル化合物(A-2)の重量平均分子量Mwは2600であった。
(1)撹拌機、温度調節器、温度計及び凝縮器を備えた内容積5Lの四つ口フラスコに、イソホロンジイソシアネート250g、及びジラウリル酸ジ-n-ブチルスズ0.15gを添加して、撹拌下に70℃に加熱した。
(2)一方、ポリエステルポリオール(株式会社クラレ製「クラレポリオール(登録商標) P-530」;イソフタル酸と3-メチルペンタンジオールからなるポリオール、重量平均分子量Mw500)520gを側管付きの滴下漏斗に添加し、この滴下漏斗の液を、上記(1)のフラスコ中に滴下した。なお、上記(1)のフラスコ中の溶液を撹拌しつつ、フラスコの内温を65~75℃に保持しながら4時間かけて等速で滴下した。さらに、滴下終了後、同温度で2時間撹拌して反応させた。
(3)次いで、別の滴下漏斗に添加した2-ヒドロキシエチルアクリレート150gとヒドロキノンモノメチルエーテル0.4gとを均一に溶解させた液をフラスコの内温を55~65℃に保持しながら2時間かけて等速で滴下した後、フラスコ内の溶液の温度を70~80℃に保持しながら4時間反応させることにより、ウレタン化(メタ)アクリル化合物(A-3)を得た。GPC分析によるウレタン化(メタ)アクリル化合物(A-3)の重量平均分子量Mwは1100であった。
(1)撹拌機、温度調節器、温度計及び凝縮器を備えた内容積5Lの四つ口フラスコに、イソホロンジイソシアネート250g、及びジラウリル酸ジ-n-ブチルスズ0.15gを添加して、撹拌下に70℃に加熱した。
(2)一方、ポリカーボネートポリオール(株式会社東ソー製「ニッポラン981」;1,6-ヘキサンジオールからなるポリオール、重量平均分子量Mw1000)1000gを側管付きの滴下漏斗に添加し、この滴下漏斗の液を、上記(1)のフラスコ中に滴下した。なお、上記(1)のフラスコ中の溶液を撹拌しつつ、フラスコの内温を65~75℃に保持しながら4時間かけて等速で滴下した。さらに、滴下終了後、同温度で2時間撹拌して反応させた。
(3)次いで、別の滴下漏斗に添加した2-ヒドロキシエチルアクリレート150gとヒドロキノンモノメチルエーテル0.4gとを均一に溶解させた液をフラスコの内温を55~65℃に保持しながら2時間かけて等速で滴下した後、フラスコ内の溶液の温度を70~80℃に保持しながら4時間反応させることにより、ウレタン化(メタ)アクリル化合物(1)を得た。GPC分析によるウレタン化(メタ)アクリル化合物(1)の重量平均分子量Mwは1700であった。
(1)撹拌機、温度調節器、温度計及び凝縮器を備えた内容積5Lの四つ口フラスコに、イソホロンジイソシアネート250g、及びジラウリル酸ジ-n-ブチルスズ0.15gを添加して、撹拌下に70℃に加熱した。
(2)一方、ポリエステルポリオール(株式会社豊国製油製「HS2H-200S」;セバシン酸と1,6-ヘキサンジオールからなるポリオール、重量平均分子量Mw2000)2500gを側管付きの滴下漏斗に添加し、この滴下漏斗の液を、上記(1)のフラスコ中に滴下した。なお、上記(1)のフラスコ中の溶液を撹拌しつつ、フラスコの内温を65~75℃に保持しながら4時間かけて等速で滴下した。さらに、滴下終了後、同温度で2時間撹拌して反応させた。
(3)次いで、別の滴下漏斗に添加した2-ヒドロキシエチルアクリレート150gとヒドロキノンモノメチルエーテル0.4gとを均一に溶解させた液をフラスコの内温を55~65℃に保持しながら2時間かけて等速で滴下した後、フラスコ内の溶液の温度を70~80℃に保持しながら4時間反応させることにより、ウレタン化(メタ)アクリル化合物(2)を得た。GPC分析によるウレタン化(メタ)アクリル化合物(2)の重量平均分子量Mwは2600であった。
TPO:2,4,6-トリメチルベンゾイルジフェニルホスフィンオキシド
BAPO:ビス(2,4,6-トリメチルベンゾイル)フェニルホスフィンオキシド
LMA:ラウリルメタクリレート(共栄社化学株式会社製)(粘度4mPa・s、常圧換算沸点305℃)
CMA:セチルメタクリレート(日油株式会社製)(粘度10mPa・s、常圧換算沸点390℃)
IBCHMA:3-イソボルニルシクロヘキシルメタクリレート(Designer Molecules Inc.製)(粘度80mPa・s、常圧換算沸点380℃)
ACMO:N-アクリロイルモルホリン(KJケミカルズ株式会社製)(粘度12mPa・s、常圧換算沸点255℃)
DEAA:N,N-ジエチルアクリルアミド(KJケミカルズ株式会社製)(粘度1.7mPa・s、常圧換算沸点220℃)
BHT:3,5-ジ-t-ブチル-4-ヒドロキシトルエン
表1及び表2に示す分量で各成分を常温(20℃±15℃、JIS(日本工業規格) Z 8703:1983)下で混合して、実施例1~9及び比較例1~3に係る光造形用樹脂組成物としてのペーストを調製した。
各実施例及び各比較例に係る光造形用樹脂組成物について、光造形機(DWS社製 DIGITALWAX(登録商標) 020D)を用いて、厚さ3.3mm×幅10.0mm×長さ64mmの試験片の造形を行った(n=5)。寸法通りのシートが造形可能であった場合を造形可能「○」とし、1回でも造形物が得られなかった場合を造形不可「×」とした。なお、造形された試験片を用いて後述の各評価を行った。
各実施例及び各比較例に係る光造形用樹脂組成物の硬化物について、義歯床用アクリル系レジンJIS T 6501:2012に従って試験片(長さ39.0mm、幅4.0mm、厚さ(高さ)8.0mm、ノッチ深さ3.0mm・角度45°)を作製し、曲げ強さ試験を行って評価した。JIS T 6501:2012に従って、万能試験機(株式会社島津製作所製、オートグラフAG-I 100kN)を用いて、クロスヘッドスピード5mm/minで曲げ強さ試験を実施した(n=5)。各試験片の測定値の平均値を算出し、曲げ強さ及び曲げ弾性率とした。試験片の曲げ弾性率としては、0.3~3.0GPaの範囲が好ましく、0.5~2.5GPaの範囲がより好ましく、0.8~2.0GPaの範囲がさらに好ましい。曲げ強さとしては、30MPa以上が好ましく、40MPa以上がより好ましく、50MPa以上がさらに好ましい。破断点変位としては、破断しないことが好ましく、最後まで破断しない、又は変位20mm以上で破断した場合を柔軟性良好「○」、変位10mm超~20mm未満で破断した場合を柔軟性中程度「△」、変位10mm以下で破断した場合を柔軟性が悪い「×」とした。
各実施例及び各比較例に係る光造形用樹脂組成物の硬化物について、37℃水中浸漬24時間後、上記曲げ強さ試験と同様に、曲げ強さを測定した(n=5)。上記靭性における曲げ強さの測定結果を初期の曲げ強さとし、初期の曲げ強さに対する、37℃水中浸漬24時間後の曲げ強さの変化率(低下率)が10%以下であれば耐水性に優れる。
曲げ強さの変化率(低下率)(%)=〔{初期の曲げ強さ(MPa)-37℃水中浸漬24時間後の曲げ強さ(MPa)}/初期の曲げ強さ(MPa)〕×100
各実施例及び各比較例に係る光造形用樹脂組成物について、10人のパネラーで臭気を評価した(n=1)。10人のパネラーのうち、不快な臭気を感じた人が2人未満であったものを「○」、不快な臭気を感じた人が2人以上5人未満であったものを「△」、不快な臭気を感じた人が5人以上であったものを「×」とした。不快な臭気を感じなければ特に問題はない。
Claims (10)
- ウレタン化(メタ)アクリル化合物(A)、及び光重合開始剤(B)及び粘度1000mPa・s以下かつ常圧沸点280℃以上の(メタ)アクリル酸エステル化合物(C)を含有し、
前記ウレタン化(メタ)アクリル化合物(A)が、
1分子内に、分岐構造を有する炭素数4~18の脂肪族鎖状ジオール単位(a)に由来する構造を有するポリエステル、ポリカーボネート、ポリウレタン、及びポリエーテルからなる群より選ばれる少なくとも1種のポリオール部分、並びにウレタン結合、を含有する(メタ)アクリレートであり、
前記ウレタン化(メタ)アクリル化合物(A)が含有するポリオール部分の重量平均分子量が400~7500であり、
前記ウレタン化(メタ)アクリル化合物(A)の重量平均分子量が1000~10000であり、
前記光重合開始剤(B)が、(ビス)アシルホスフィンオキシド類と、α-ジケトン類とからなる群より選択される少なくとも1種を含み、
歯科用マウスピース又は義歯床材料用光造形用樹脂組成物。 - 前記ウレタン化(メタ)アクリル化合物(A)が、1分子内に、分岐構造を有しない炭素数4~18の脂肪族鎖状ジカルボン酸及び/又は芳香族ジカルボン酸単位(b)に由来する構造を有するポリエステル、並びに、分岐構造を有しない炭素数4~18の脂肪族鎖状ジオール単位(c)に由来する構造を有するポリカーボネート、からなる群より選ばれる少なくとも1種のポリオール部分を含有する(メタ)アクリレートである、請求項1に記載の光造形用樹脂組成物。
- 前記粘度1000mPa・s以下かつ常圧沸点280℃以上の(メタ)アクリル酸エステル化合物(C)が単官能である、請求項1又は2に記載の光造形用樹脂組成物。
- さらに、粘度1000mPa・s以下かつ常圧沸点200℃以上の(メタ)アクリルアミド化合物(D)を含有する、請求項1~3のいずれか1項に記載の光造形用樹脂組成物。
- 前記粘度1000mPa・s以下かつ常圧沸点200℃以上の(メタ)アクリルアミド化合物(D)が単官能である、請求項4に記載の光造形用樹脂組成物。
- 前記粘度1000mPa・s以下かつ常圧沸点280℃以上の(メタ)アクリル酸エステル化合物(C)が炭素数11~18の炭化水素基を有する脂肪族(メタ)アクリル酸エステルである、請求項1~5のいずれか1項に記載の光造形用樹脂組成物。
- 前記炭素数11~18の炭化水素基を有する脂肪族(メタ)アクリル酸エステルが、ラウリル(メタ)アクリレート、トリデシル(メタ)アクリレート、テトラデシル(メタ)アクリレート、ペンタデシル(メタ)アクリレート、セチル(メタ)アクリレート、オレイル(メタ)アクリレート、及びイソボルニルシクロヘキシル(メタ)アクリレートからなる群から選ばれる少なくとも1種である、請求項6に記載の光造形用樹脂組成物。
- 請求項1~7のいずれか1項に記載の光造形用樹脂組成物の硬化物からなる、歯科用マウスピース。
- 請求項1~7のいずれか1項に記載の光造形用樹脂組成物の硬化物からなる、義歯床材料。
- 請求項1~7のいずれか1項に記載の光造形用樹脂組成物を用いて、光学的立体造形法によって立体造形物を製造する方法。
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