JP6971225B2 - 歯科用樹脂組成物 - Google Patents
歯科用樹脂組成物 Download PDFInfo
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- JP6971225B2 JP6971225B2 JP2018518293A JP2018518293A JP6971225B2 JP 6971225 B2 JP6971225 B2 JP 6971225B2 JP 2018518293 A JP2018518293 A JP 2018518293A JP 2018518293 A JP2018518293 A JP 2018518293A JP 6971225 B2 JP6971225 B2 JP 6971225B2
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- Prior art keywords
- fibrous filler
- resin composition
- polycarbonate
- dental resin
- mol
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims description 61
- 239000004851 dental resin Substances 0.000 title claims description 52
- 239000012765 fibrous filler Substances 0.000 claims description 66
- 239000004417 polycarbonate Substances 0.000 claims description 57
- 229920000515 polycarbonate Polymers 0.000 claims description 57
- -1 aliphatic diol compound Chemical class 0.000 claims description 45
- 125000005587 carbonate group Chemical group 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000004898 kneading Methods 0.000 claims description 6
- 239000011342 resin composition Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 18
- 239000002585 base Substances 0.000 description 15
- 239000000945 filler Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 238000012360 testing method Methods 0.000 description 13
- 238000005452 bending Methods 0.000 description 11
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 10
- KLDXJTOLSGUMSJ-JGWLITMVSA-N Isosorbide Chemical group O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 KLDXJTOLSGUMSJ-JGWLITMVSA-N 0.000 description 9
- 125000004432 carbon atom Chemical group C* 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 229960002479 isosorbide Drugs 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 6
- 150000002009 diols Chemical class 0.000 description 6
- 239000008188 pellet Substances 0.000 description 6
- 239000002685 polymerization catalyst Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 150000004650 carbonic acid diesters Chemical class 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000007822 coupling agent Substances 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 5
- 210000000214 mouth Anatomy 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
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- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
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- 238000004381 surface treatment Methods 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 3
- OJRJDENLRJHEJO-UHFFFAOYSA-N 2,4-diethylpentane-1,5-diol Chemical compound CCC(CO)CC(CC)CO OJRJDENLRJHEJO-UHFFFAOYSA-N 0.000 description 3
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
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- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 150000001339 alkali metal compounds Chemical class 0.000 description 3
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 229920006231 aramid fiber Polymers 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 3
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 3
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000007656 fracture toughness test Methods 0.000 description 3
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 238000005809 transesterification reaction Methods 0.000 description 3
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 2
- KLDXJTOLSGUMSJ-BXKVDMCESA-N (3s,3as,6s,6as)-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3,6-diol Chemical compound O[C@H]1CO[C@H]2[C@@H](O)CO[C@H]21 KLDXJTOLSGUMSJ-BXKVDMCESA-N 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- SSADPHQCUURWSW-UHFFFAOYSA-N 3,9-bis(2,6-ditert-butyl-4-methylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound CC(C)(C)C1=CC(C)=CC(C(C)(C)C)=C1OP1OCC2(COP(OC=3C(=CC(C)=CC=3C(C)(C)C)C(C)(C)C)OC2)CO1 SSADPHQCUURWSW-UHFFFAOYSA-N 0.000 description 2
- SXFJDZNJHVPHPH-UHFFFAOYSA-N 3-methylpentane-1,5-diol Chemical compound OCCC(C)CCO SXFJDZNJHVPHPH-UHFFFAOYSA-N 0.000 description 2
- PVFQHGDIOXNKIC-UHFFFAOYSA-N 4-[2-[3-[2-(4-hydroxyphenyl)propan-2-yl]phenyl]propan-2-yl]phenol Chemical compound C=1C=CC(C(C)(C)C=2C=CC(O)=CC=2)=CC=1C(C)(C)C1=CC=C(O)C=C1 PVFQHGDIOXNKIC-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- XDODWINGEHBYRT-UHFFFAOYSA-N [2-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCCCC1CO XDODWINGEHBYRT-UHFFFAOYSA-N 0.000 description 2
- LUSFFPXRDZKBMF-UHFFFAOYSA-N [3-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCCC(CO)C1 LUSFFPXRDZKBMF-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 150000001639 boron compounds Chemical class 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 239000005548 dental material Substances 0.000 description 2
- GHLKSLMMWAKNBM-UHFFFAOYSA-N dodecane-1,12-diol Chemical compound OCCCCCCCCCCCCO GHLKSLMMWAKNBM-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002121 nanofiber Substances 0.000 description 2
- LUUFSCNUZAYHAT-UHFFFAOYSA-N octadecane-1,18-diol Chemical compound OCCCCCCCCCCCCCCCCCCO LUUFSCNUZAYHAT-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 208000035824 paresthesia Diseases 0.000 description 2
- 150000004714 phosphonium salts Chemical group 0.000 description 2
- 229920001652 poly(etherketoneketone) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- XRVCFZPJAHWYTB-UHFFFAOYSA-N prenderol Chemical compound CCC(CC)(CO)CO XRVCFZPJAHWYTB-UHFFFAOYSA-N 0.000 description 2
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- 159000000000 sodium salts Chemical class 0.000 description 2
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- 238000003756 stirring Methods 0.000 description 2
- UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 description 2
- 229910001866 strontium hydroxide Inorganic materials 0.000 description 2
- 150000003459 sulfonic acid esters Chemical class 0.000 description 2
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 2
- BJQWBACJIAKDTJ-UHFFFAOYSA-N tetrabutylphosphanium Chemical class CCCC[P+](CCCC)(CCCC)CCCC BJQWBACJIAKDTJ-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- TUQOTMZNTHZOKS-UHFFFAOYSA-N tributylphosphine Chemical compound CCCCP(CCCC)CCCC TUQOTMZNTHZOKS-UHFFFAOYSA-N 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- VLCQYXZALXDPEV-UHFFFAOYSA-N (2,3,4-triethylphenyl)boron Chemical compound [B]C1=CC=C(CC)C(CC)=C1CC VLCQYXZALXDPEV-UHFFFAOYSA-N 0.000 description 1
- PJAWEFMLSSLAIM-UHFFFAOYSA-N (2,3,4-trimethylphenyl)boron Chemical compound [B]C1=CC=C(C)C(C)=C1C PJAWEFMLSSLAIM-UHFFFAOYSA-N 0.000 description 1
- IHPFDBSMYWRYHQ-UHFFFAOYSA-N (2-benzylphenyl)-diphenylborane Chemical compound C=1C=CC=C(B(C=2C=CC=CC=2)C=2C=CC=CC=2)C=1CC1=CC=CC=C1 IHPFDBSMYWRYHQ-UHFFFAOYSA-N 0.000 description 1
- GCLVVFYKIZYIIL-UHFFFAOYSA-N (2-butylphenyl)-diphenylborane Chemical compound CCCCC1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 GCLVVFYKIZYIIL-UHFFFAOYSA-N 0.000 description 1
- KBIWOGUYLGWUTF-UHFFFAOYSA-N (2-methylphenyl)-diphenylborane Chemical compound CC1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 KBIWOGUYLGWUTF-UHFFFAOYSA-N 0.000 description 1
- GPFJHNSSBHPYJK-UHFFFAOYSA-N (3-methylphenyl) hydrogen carbonate Chemical compound CC1=CC=CC(OC(O)=O)=C1 GPFJHNSSBHPYJK-UHFFFAOYSA-N 0.000 description 1
- NSGXIBWMJZWTPY-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)CC(F)(F)F NSGXIBWMJZWTPY-UHFFFAOYSA-N 0.000 description 1
- OWEYKIWAZBBXJK-UHFFFAOYSA-N 1,1-Dichloro-2,2-bis(4-hydroxyphenyl)ethylene Chemical compound C1=CC(O)=CC=C1C(=C(Cl)Cl)C1=CC=C(O)C=C1 OWEYKIWAZBBXJK-UHFFFAOYSA-N 0.000 description 1
- 229940058015 1,3-butylene glycol Drugs 0.000 description 1
- 229940043375 1,5-pentanediol Drugs 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- FQXGHZNSUOHCLO-UHFFFAOYSA-N 2,2,4,4-tetramethyl-1,3-cyclobutanediol Chemical compound CC1(C)C(O)C(C)(C)C1O FQXGHZNSUOHCLO-UHFFFAOYSA-N 0.000 description 1
- GZZLQUBMUXEOBE-UHFFFAOYSA-N 2,2,4-trimethylhexane-1,6-diol Chemical compound OCCC(C)CC(C)(C)CO GZZLQUBMUXEOBE-UHFFFAOYSA-N 0.000 description 1
- CRJRLBBFSRNKLY-UHFFFAOYSA-N 2,2-bis(3-methylbutyl)propane-1,3-diol Chemical compound CC(C)CCC(CO)(CO)CCC(C)C CRJRLBBFSRNKLY-UHFFFAOYSA-N 0.000 description 1
- XGVZPMZEBYEFAD-UHFFFAOYSA-N 2,2-dimethylpropylboron Chemical compound [B]CC(C)(C)C XGVZPMZEBYEFAD-UHFFFAOYSA-N 0.000 description 1
- KLDXJTOLSGUMSJ-UHFFFAOYSA-N 2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3,6-diol Chemical compound OC1COC2C(O)COC21 KLDXJTOLSGUMSJ-UHFFFAOYSA-N 0.000 description 1
- QUMMIJOYXPIWKT-UHFFFAOYSA-N 2-(2-methylphenyl)propan-2-ylboron Chemical compound [B]C(C)(C)C1=CC=CC=C1C QUMMIJOYXPIWKT-UHFFFAOYSA-N 0.000 description 1
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical compound CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 description 1
- BPZIYBJCZRUDEG-UHFFFAOYSA-N 2-[3-(1-hydroxy-2-methylpropan-2-yl)-2,4,8,10-tetraoxaspiro[5.5]undecan-9-yl]-2-methylpropan-1-ol Chemical compound C1OC(C(C)(CO)C)OCC21COC(C(C)(C)CO)OC2 BPZIYBJCZRUDEG-UHFFFAOYSA-N 0.000 description 1
- MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 description 1
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical compound CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 description 1
- BPOSPHPRYDVTFU-UHFFFAOYSA-N 2-ethylheptane-1,3-diol Chemical compound CCCCC(O)C(CC)CO BPOSPHPRYDVTFU-UHFFFAOYSA-N 0.000 description 1
- AJKXDPSHWRTFOZ-UHFFFAOYSA-N 2-ethylhexane-1,6-diol Chemical compound CCC(CO)CCCCO AJKXDPSHWRTFOZ-UHFFFAOYSA-N 0.000 description 1
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- JVZZUPJFERSVRN-UHFFFAOYSA-N 2-methyl-2-propylpropane-1,3-diol Chemical compound CCCC(C)(CO)CO JVZZUPJFERSVRN-UHFFFAOYSA-N 0.000 description 1
- LYZMKCWNBRTLTJ-UHFFFAOYSA-N 2-methylcyclohexane-1,4-diol Chemical compound CC1CC(O)CCC1O LYZMKCWNBRTLTJ-UHFFFAOYSA-N 0.000 description 1
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 1
- ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 2-phenyl-1h-imidazole Chemical compound C1=CNC(C=2C=CC=CC=2)=N1 ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 0.000 description 1
- YMTYZTXUZLQUSF-UHFFFAOYSA-N 3,3'-Dimethylbisphenol A Chemical compound C1=C(O)C(C)=CC(C(C)(C)C=2C=C(C)C(O)=CC=2)=C1 YMTYZTXUZLQUSF-UHFFFAOYSA-N 0.000 description 1
- CCZFANLSRKSNMX-UHFFFAOYSA-N 3-(2-ethylphenyl)pentan-3-ylboron Chemical compound CCC([B])(CC)C1=CC=CC=C1CC CCZFANLSRKSNMX-UHFFFAOYSA-N 0.000 description 1
- PQXOTHUSZUHPBK-UHFFFAOYSA-N 3-ethylpentan-3-ylboron Chemical compound CCC([B])(CC)CC PQXOTHUSZUHPBK-UHFFFAOYSA-N 0.000 description 1
- 238000010146 3D printing Methods 0.000 description 1
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- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
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- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 1
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- 150000003609 titanium compounds Chemical class 0.000 description 1
- RXJKFRMDXUJTEX-UHFFFAOYSA-N triethylphosphine Chemical compound CCP(CC)CC RXJKFRMDXUJTEX-UHFFFAOYSA-N 0.000 description 1
- IGNTWNVBGLNYDV-UHFFFAOYSA-N triisopropylphosphine Chemical compound CC(C)P(C(C)C)C(C)C IGNTWNVBGLNYDV-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- KCTAHLRCZMOTKM-UHFFFAOYSA-N tripropylphosphane Chemical compound CCCP(CCC)CCC KCTAHLRCZMOTKM-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
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- Health & Medical Sciences (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Description
本発明の一側面における歯科用樹脂組成物は、上記式(A)で表されるカーボネート単位(A)を15モル%以上98モル%以下含むポリカーボネート(a)と、繊維状フィラー(b)とを含有し、前記繊維状フィラー(b)の長さが0.5〜10mmであり、かつアスペクト比が100〜10000である。これにより、成形体の曲げ強さと曲げ弾性率と靭性が高く、成形体の表面性状が良好な歯科用樹脂組成物となる。本発明の歯科用樹脂組成物によって当該効果が奏される理由は必ずしも定かではないが、ポリカーボネート(a)に所定量含まれるカーボネート単位(A)は、立体選択的で嵩高く剛直な環構造により高い強度を発現して繊維状フィラー(b)との強度差を小さくし、また、環状で立体配座が固定されたエーテル構造が繊維状フィラー(b)に対して親和し、これらによってポリカーボネート(a)と繊維状フィラー(b)とが一体化できるためと推測される。
ポリカーボネート(a)は、本発明の歯科用樹脂組成物において、靭性及び歯科用接着材との親和性に優れるため、基材として用いられる。ポリカーボネート(a)は、上記式(A)で表されるカーボネート単位(A)を含む。カーボネート単位(A)の含有量は、全カーボネート単位中15モル%以上98モル%以下であり、30モル%以上95モル%以下が好ましく、50モル%以上90モル%以下がより好ましい。なお、本明細書において、数値範囲(各成分の含有量、繊維長、各成分から算出される値及び各物性等)の上限値及び下限値は適宜組み合わせ可能である。
本発明にかかるカーボネート単位(A)は前記式(A)に示したように、エーテル基を有する脂環式ジオール化合物から誘導されるものである。前記カーボネート単位(A)としては、立体異性体の関係にある下記式で表される繰り返し単位(A1)、(A2)及び(A3)が例示される。
ポリカーボネート(a)は、下記カーボネート単位(B)をさらに含む共重合体であることが好ましい。本発明のポリカーボネート(a)におけるカーボネート単位(B)は、脂肪族ジオール化合物及び脂環式ジオール化合物からなる群より選ばれる少なくとも1種の化合物(ジオール成分)から誘導されるものである。カーボネート単位(B)の含有量は、全カーボネート単位中2モル%以上75モル%以下が好ましく、5モル%以上70モル%以下がより好ましく、10モル%以上50モル%以下がさらに好ましい。
本発明の歯科用樹脂組成物には、強度及び弾性率を向上させるために、長さ0.5〜10mm及びアスペクト比100〜10000の繊維状フィラー(b)が配合される。繊維状フィラー(b)として、例えば、無機繊維状フィラー(b1)、有機繊維状フィラー(b2)等が挙げられる。
フーリエ変換核磁気共鳴装置(FT−NMR)(型式:JNM−ECX400、日本電子社製、測定温度=25℃)を用いて1H−NMRにて、各繰り返し単位を測定し、ポリマー組成比(モル比)を算出した。
ポリカーボネート(a)−1
イソソルビド(以下、ISSと略す)375g、1,6−ヘキサンジオール(以下、HDと略す)101g、ジフェニルカーボネート(以下、DPCと略す)750g、及び触媒としてテトラメチルアンモニウムヒドロキシド0.8×10−2gと水酸化ナトリウム0.6×10−4gを反応槽内で混合して窒素雰囲気下で180℃に加熱し溶融させた。その後、30分かけて減圧度を13.4kPaに調整した。その後、60℃/hrの速度で240℃まで昇温を行い、10分間その温度で保持した後、1時間かけて減圧度を133Pa以下とした。合計6時間撹拌下で反応を行い、反応槽の底より窒素加圧下吐出し、水槽で冷却しながら、ペレタイザーでカットしてペレットを得た。ポリカーボネート(a)−1のISS/HD(モル比)は75/25であった。
ポリカーボネート(a)−2
ISS426g、2,4−ジエチル−1,5−ペンタンジオール(以下、DEPと略す)83g、DPC750gを原料として用いた以外は合成例1と全く同様の操作を行い、ポリカーボネート(a)−2を製造した。ポリカーボネート(a)−2のISS/DEP(モル比)は85/15であった。
ポリカーボネート(a)−3
ISS250g、1,4−シクロヘキサンジメタノール(以下、CHDMと略す)247g、DPC750gを原料として用いた以外は合成例1と全く同様の操作を行い、ポリカーボネート(a)−3を製造した。ポリカーボネート(a)−3のISS/CHDM(モル比)は50/50であった。
GF1:ガラス繊維(商品名:CSチョップドストランド CS 3 PE−455S、日東紡績社製、繊維長:3.0mm、アスペクト比:230、シラン系表面処理)
GF2:ガラス繊維(商品名:CSチョップドストランド CS 3.8 J−455S、日東紡績社製、繊維長:3.8mm、アスペクト比:350、シラン系表面処理)
CNF:セルロースナノファイバー(商品名:ビンフィス(BiNFi−s)、(株)スギノマシン製、繊維長1.7mm、アスペクト比 9500)
PA:パラ系アラミド繊維(商品名:ケブラー、東レ社製、繊維長4.5mm、アスペクト比 4500)
PEP−36:ビス(2,6−ジ−tert−ブチル−4−メチルフェニル)ペンタエリスリトールジホスファイト ADEKA製
(1)上記の構成成分を、下記表1及び2に示す割合(重量部)でそれぞれ予備混合した後、一括して二軸押出機[テクノベル(株)製 KZW15−45MG 軸径φ15mm L/D45]に供給して温度240〜300℃、回転数300rpmで溶融混練し、ストランド状に押し出してストランドカッターでカットすることにより、歯科用樹脂組成物のペレットを製造した。
実施例及び比較例で得られた各ディスクから、厚さ3.3mm×幅10.0mm×長さ64mmの試験片を切り出した。得られた試験片について、義歯床用アクリル系レジンJIS T 6501:2012に準拠して曲げ強さ試験及び曲げ弾性率試験を行って評価した。すなわち、万能試験機(島津製作所社製、オートグラフAG−100kNI)を用いて、クロスヘッドスピード5mm/minで曲げ試験を実施した。成形体の曲げ強さとしては、150MPa以上が好ましく、170MPa以上がより好ましく、175MPa以上がさらに好ましい。成形体の曲げ弾性率としては、3500MPa以上が好ましく、3900MPa以上がより好ましく、4000MPa以上がさらに好ましい。
実施例及び比較例で得られた各ディスクから、厚さ8.0mm、幅3.0mm、長さ39mm、ノッチ深さ3.0mmの試験片を切り出した。得られた試験片について、JIS T 6501:2012に準拠して破壊靭性試験を行って、全破壊仕事を評価した。全破壊仕事が4.0kJ/m2を超える値であれば成形体は靭性に優れ、5.0kJ/m2以上が好ましい。
上記の破壊靭性試験の試験片から縦横8.0mm×厚さ3.0mmの試験片を切り出した。得られた試験片を、#1000のシリコン・カーバイド紙(日本研紙社製)を用いて研磨し、続いて、#3000のラッピングフィルム(3M製)を用いて、さらに研磨して、平滑面とした。当該平滑面を、3Dレーザー顕微鏡(キーエンス製)を用いて、縦横1.0mmの範囲について表面粗さ(JIS B 0601:2013の最大山高さRp)を測定した。試験片の5箇所の測定値の平均値を表面性状(平滑性)の指標とした。口腔内で使用した時に、チクチク感等の違和感を感じる恐れが小さい点から、Rpが150μm以下が好ましく、100μm以下がより好ましい。さらに、前記のようにして、破壊靭性試験の試験片から切り出した試験片について、縞模様の有無を目視にて観察した。
Claims (10)
- さらに、前記ポリカーボネート(a)が、脂肪族ジオール化合物及び脂環式ジオール化合物からなる群より選ばれる少なくとも1種の化合物から誘導されるカーボネート単位(B)を含む、請求項1に記載の歯科用樹脂組成物。
- 前記ポリカーボネート(a)において、カーボネート単位(A)とカーボネート単位(B)とのモル比((A)/(B))が、15/85〜95/5である、請求項2に記載の歯科用樹脂組成物。
- 前記ポリカーボネート(a)の含有量が、40〜99重量%である、請求項1〜3のいずれかに記載の歯科用樹脂組成物。
- 前記繊維状フィラー(b)が無機繊維状フィラー(b1)であり、前記無機繊維状フィラー(b1)のアスペクト比が205〜7500である、請求項1〜4のいずれかに記載の歯科用樹脂組成物。
- 前記繊維状フィラー(b)が有機繊維状フィラー(b2)であり、前記有機繊維状フィラー(b2)のアスペクト比が1000〜10000である、請求項1〜4のいずれかに記載の歯科用樹脂組成物。
- 前記混合する工程が溶融混練する工程を含む、請求項7に記載の製造方法。
- 請求項1〜6のいずれかに記載の歯科用樹脂組成物からなる歯科用成形体。
- 義歯床である請求項9に記載の歯科用成形体。
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