WO2022215657A1 - ポリカーボネート系樹脂組成物及び成形品 - Google Patents
ポリカーボネート系樹脂組成物及び成形品 Download PDFInfo
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- WO2022215657A1 WO2022215657A1 PCT/JP2022/016783 JP2022016783W WO2022215657A1 WO 2022215657 A1 WO2022215657 A1 WO 2022215657A1 JP 2022016783 W JP2022016783 W JP 2022016783W WO 2022215657 A1 WO2022215657 A1 WO 2022215657A1
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- Prior art keywords
- polycarbonate
- group
- carbon atoms
- mass
- resin composition
- Prior art date
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- 229920005668 polycarbonate resin Polymers 0.000 title claims abstract description 121
- 239000004431 polycarbonate resin Substances 0.000 title claims abstract description 121
- 239000000203 mixture Substances 0.000 title claims abstract description 49
- 239000006085 branching agent Substances 0.000 claims abstract description 43
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004417 polycarbonate Substances 0.000 claims description 161
- 229920000515 polycarbonate Polymers 0.000 claims description 160
- 125000004432 carbon atom Chemical group C* 0.000 claims description 112
- 229920005989 resin Polymers 0.000 claims description 80
- 239000011347 resin Substances 0.000 claims description 80
- 239000011342 resin composition Substances 0.000 claims description 49
- 238000002834 transmittance Methods 0.000 claims description 42
- 150000001875 compounds Chemical class 0.000 claims description 40
- 229920001296 polysiloxane Polymers 0.000 claims description 38
- 125000003118 aryl group Chemical group 0.000 claims description 28
- 239000003963 antioxidant agent Substances 0.000 claims description 22
- 238000001746 injection moulding Methods 0.000 claims description 22
- 125000000217 alkyl group Chemical group 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 16
- 230000003078 antioxidant effect Effects 0.000 claims description 14
- 125000005843 halogen group Chemical group 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 125000000000 cycloalkoxy group Chemical group 0.000 claims description 10
- 125000002947 alkylene group Chemical group 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 8
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 6
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- 229910001414 potassium ion Inorganic materials 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 125000004104 aryloxy group Chemical group 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 229910001415 sodium ion Inorganic materials 0.000 claims description 5
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 4
- 125000003172 aldehyde group Chemical group 0.000 claims description 4
- 125000002102 aryl alkyloxo group Chemical group 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 4
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 150000003460 sulfonic acids Chemical class 0.000 claims description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- -1 alkali metal trifluoromethanesulfonate Chemical class 0.000 description 33
- 238000000034 method Methods 0.000 description 29
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 27
- 125000000524 functional group Chemical group 0.000 description 19
- 239000003960 organic solvent Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 17
- 238000000465 moulding Methods 0.000 description 17
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 15
- 238000011156 evaluation Methods 0.000 description 15
- 239000007864 aqueous solution Substances 0.000 description 14
- 239000003063 flame retardant Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 9
- 239000008188 pellet Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000008346 aqueous phase Substances 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 8
- 125000001183 hydrocarbyl group Chemical group 0.000 description 7
- 239000012074 organic phase Substances 0.000 description 7
- 239000013500 performance material Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 239000002685 polymerization catalyst Substances 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 125000001118 alkylidene group Chemical group 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 150000002989 phenols Chemical class 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- 238000012696 Interfacial polycondensation Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- AOGYCOYQMAVAFD-UHFFFAOYSA-N chlorocarbonic acid Chemical group OC(Cl)=O AOGYCOYQMAVAFD-UHFFFAOYSA-N 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
- KVFIZLDWRFTUEM-UHFFFAOYSA-N potassium;bis(trifluoromethylsulfonyl)azanide Chemical compound [K+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F KVFIZLDWRFTUEM-UHFFFAOYSA-N 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- PTFIPECGHSYQNR-UHFFFAOYSA-N 3-Pentadecylphenol Chemical compound CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 4
- 239000007983 Tris buffer Substances 0.000 description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 4
- 150000001721 carbon Chemical group 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 4
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 150000003512 tertiary amines Chemical class 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- BRPSWMCDEYMRPE-UHFFFAOYSA-N 4-[1,1-bis(4-hydroxyphenyl)ethyl]phenol Chemical compound C=1C=C(O)C=CC=1C(C=1C=CC(O)=CC=1)(C)C1=CC=C(O)C=C1 BRPSWMCDEYMRPE-UHFFFAOYSA-N 0.000 description 3
- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 150000001924 cycloalkanes Chemical class 0.000 description 3
- KCIDZIIHRGYJAE-YGFYJFDDSA-L dipotassium;[(2r,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] phosphate Chemical compound [K+].[K+].OC[C@H]1O[C@H](OP([O-])([O-])=O)[C@H](O)[C@@H](O)[C@H]1O KCIDZIIHRGYJAE-YGFYJFDDSA-L 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002530 phenolic antioxidant Substances 0.000 description 3
- 229920001921 poly-methyl-phenyl-siloxane Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 3
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- JGTNAGYHADQMCM-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F JGTNAGYHADQMCM-UHFFFAOYSA-M 0.000 description 2
- QZHDEAJFRJCDMF-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane-1-sulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F QZHDEAJFRJCDMF-UHFFFAOYSA-M 0.000 description 2
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 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
- WBWXVCMXGYSMQA-UHFFFAOYSA-N 3,9-bis[2,4-bis(2-phenylpropan-2-yl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C=1C=C(OP2OCC3(CO2)COP(OC=2C(=CC(=CC=2)C(C)(C)C=2C=CC=CC=2)C(C)(C)C=2C=CC=CC=2)OC3)C(C(C)(C)C=2C=CC=CC=2)=CC=1C(C)(C)C1=CC=CC=C1 WBWXVCMXGYSMQA-UHFFFAOYSA-N 0.000 description 2
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 2
- VWGKEVWFBOUAND-UHFFFAOYSA-N 4,4'-thiodiphenol Chemical compound C1=CC(O)=CC=C1SC1=CC=C(O)C=C1 VWGKEVWFBOUAND-UHFFFAOYSA-N 0.000 description 2
- NZGQHKSLKRFZFL-UHFFFAOYSA-N 4-(4-hydroxyphenoxy)phenol Chemical compound C1=CC(O)=CC=C1OC1=CC=C(O)C=C1 NZGQHKSLKRFZFL-UHFFFAOYSA-N 0.000 description 2
- RQCACQIALULDSK-UHFFFAOYSA-N 4-(4-hydroxyphenyl)sulfinylphenol Chemical compound C1=CC(O)=CC=C1S(=O)C1=CC=C(O)C=C1 RQCACQIALULDSK-UHFFFAOYSA-N 0.000 description 2
- ODJUOZPKKHIEOZ-UHFFFAOYSA-N 4-[2-(4-hydroxy-3,5-dimethylphenyl)propan-2-yl]-2,6-dimethylphenol Chemical compound CC1=C(O)C(C)=CC(C(C)(C)C=2C=C(C)C(O)=C(C)C=2)=C1 ODJUOZPKKHIEOZ-UHFFFAOYSA-N 0.000 description 2
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 description 2
- HXDOZKJGKXYMEW-UHFFFAOYSA-N 4-ethylphenol Chemical compound CCC1=CC=C(O)C=C1 HXDOZKJGKXYMEW-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- CGRTZESQZZGAAU-UHFFFAOYSA-N [2-[3-[1-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]-2-methylpropan-2-yl]-2,4,8,10-tetraoxaspiro[5.5]undecan-9-yl]-2-methylpropyl] 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCC(C)(C)C2OCC3(CO2)COC(OC3)C(C)(C)COC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 CGRTZESQZZGAAU-UHFFFAOYSA-N 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- OCKWAZCWKSMKNC-UHFFFAOYSA-N [3-octadecanoyloxy-2,2-bis(octadecanoyloxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCCCCCC)(COC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC OCKWAZCWKSMKNC-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 125000006267 biphenyl group Chemical group 0.000 description 2
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical group C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
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- FAXNSSHWASVXKY-UHFFFAOYSA-M cesium;trifluoromethanesulfonate Chemical compound [Cs+].[O-]S(=O)(=O)C(F)(F)F FAXNSSHWASVXKY-UHFFFAOYSA-M 0.000 description 1
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- 239000000498 cooling water Substances 0.000 description 1
- MIHINWMALJZIBX-UHFFFAOYSA-N cyclohexa-2,4-dien-1-ol Chemical class OC1CC=CC=C1 MIHINWMALJZIBX-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- UZEFVQBWJSFOFE-UHFFFAOYSA-N dibutyl hydrogen phosphite Chemical compound CCCCOP(O)OCCCC UZEFVQBWJSFOFE-UHFFFAOYSA-N 0.000 description 1
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- QPECWWIZMZHSDR-UHFFFAOYSA-N diphenylphosphanylmethanol Chemical compound C=1C=CC=CC=1P(CO)C1=CC=CC=C1 QPECWWIZMZHSDR-UHFFFAOYSA-N 0.000 description 1
- GCDUSCPJMVWSBD-UHFFFAOYSA-N diphenylphosphanylmethyl acetate Chemical compound C=1C=CC=CC=1P(COC(=O)C)C1=CC=CC=C1 GCDUSCPJMVWSBD-UHFFFAOYSA-N 0.000 description 1
- SCIXRAVJLLWCDJ-UHFFFAOYSA-L dipotassium;3-(3-sulfonatophenyl)sulfonylbenzenesulfonate Chemical compound [K+].[K+].[O-]S(=O)(=O)C1=CC=CC(S(=O)(=O)C=2C=C(C=CC=2)S([O-])(=O)=O)=C1 SCIXRAVJLLWCDJ-UHFFFAOYSA-L 0.000 description 1
- PBOFFNYRKURMFP-UHFFFAOYSA-L dipotassium;5-sulfobenzene-1,3-dicarboxylate Chemical compound [K+].[K+].OS(=O)(=O)C1=CC(C([O-])=O)=CC(C([O-])=O)=C1 PBOFFNYRKURMFP-UHFFFAOYSA-L 0.000 description 1
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- KCXKCSAUAYYDLG-UHFFFAOYSA-L dipotassium;naphthalene-2,6-disulfonate Chemical compound [K+].[K+].C1=C(S([O-])(=O)=O)C=CC2=CC(S(=O)(=O)[O-])=CC=C21 KCXKCSAUAYYDLG-UHFFFAOYSA-L 0.000 description 1
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- XHWQYYPUYFYELO-UHFFFAOYSA-N ditridecyl phosphite Chemical compound CCCCCCCCCCCCCOP([O-])OCCCCCCCCCCCCC XHWQYYPUYFYELO-UHFFFAOYSA-N 0.000 description 1
- QWYWBRJDSIQAIF-UHFFFAOYSA-N dodecyl [4-[2-(4-hydroxyphenyl)propan-2-yl]phenyl] hydrogen phosphite Chemical compound C1=CC(OP(O)OCCCCCCCCCCCC)=CC=C1C(C)(C)C1=CC=C(O)C=C1 QWYWBRJDSIQAIF-UHFFFAOYSA-N 0.000 description 1
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- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FEDFHMISXKDOJI-UHFFFAOYSA-M lithium;1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F FEDFHMISXKDOJI-UHFFFAOYSA-M 0.000 description 1
- HYGFDDCMWQPLSR-UHFFFAOYSA-M lithium;1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoroheptane-1-sulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F HYGFDDCMWQPLSR-UHFFFAOYSA-M 0.000 description 1
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 description 1
- KYWBVOVSUISYPN-UHFFFAOYSA-L magnesium;benzenesulfonate Chemical compound [Mg+2].[O-]S(=O)(=O)C1=CC=CC=C1.[O-]S(=O)(=O)C1=CC=CC=C1 KYWBVOVSUISYPN-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- LGRLWUINFJPLSH-UHFFFAOYSA-N methanide Chemical class [CH3-] LGRLWUINFJPLSH-UHFFFAOYSA-N 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004206 montan acid ester Substances 0.000 description 1
- 235000013872 montan acid ester Nutrition 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000005003 perfluorobutyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)* 0.000 description 1
- 125000005004 perfluoroethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 229910000064 phosphane Inorganic materials 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- RSCGQEBKFSGWJT-UHFFFAOYSA-M potassium;1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane-1-sulfonate Chemical compound [K+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RSCGQEBKFSGWJT-UHFFFAOYSA-M 0.000 description 1
- WFRUBUQWJYMMRQ-UHFFFAOYSA-M potassium;1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [K+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WFRUBUQWJYMMRQ-UHFFFAOYSA-M 0.000 description 1
- GLGXXYFYZWQGEL-UHFFFAOYSA-M potassium;trifluoromethanesulfonate Chemical compound [K+].[O-]S(=O)(=O)C(F)(F)F GLGXXYFYZWQGEL-UHFFFAOYSA-M 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229940077386 sodium benzenesulfonate Drugs 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- HSHFKGVNYJYBCJ-UHFFFAOYSA-M sodium;1,1,2,2,2-pentafluoroethanesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(F)(F)C(F)(F)F HSHFKGVNYJYBCJ-UHFFFAOYSA-M 0.000 description 1
- ZQOXGRIKWKXDIJ-UHFFFAOYSA-M sodium;1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F ZQOXGRIKWKXDIJ-UHFFFAOYSA-M 0.000 description 1
- REVGHZFBRYPAOO-UHFFFAOYSA-M sodium;1-benzothiophene-2-sulfonate Chemical compound [Na+].C1=CC=C2SC(S(=O)(=O)[O-])=CC2=C1 REVGHZFBRYPAOO-UHFFFAOYSA-M 0.000 description 1
- YXTFRJVQOWZDPP-UHFFFAOYSA-M sodium;3,5-dicarboxybenzenesulfonate Chemical compound [Na+].OC(=O)C1=CC(C(O)=O)=CC(S([O-])(=O)=O)=C1 YXTFRJVQOWZDPP-UHFFFAOYSA-M 0.000 description 1
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 description 1
- DVFFDTYHFQEBLC-UHFFFAOYSA-M sodium;anthracene-1-sulfonate Chemical compound [Na+].C1=CC=C2C=C3C(S(=O)(=O)[O-])=CC=CC3=CC2=C1 DVFFDTYHFQEBLC-UHFFFAOYSA-M 0.000 description 1
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 description 1
- HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- FUAAEMCCEGHVCH-UHFFFAOYSA-L strontium;benzenesulfonate Chemical compound [Sr+2].[O-]S(=O)(=O)C1=CC=CC=C1.[O-]S(=O)(=O)C1=CC=CC=C1 FUAAEMCCEGHVCH-UHFFFAOYSA-L 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- ALKGSOOKRJKXMF-UHFFFAOYSA-N tetradecyl dihydrogen phosphite Chemical compound CCCCCCCCCCCCCCOP(O)O ALKGSOOKRJKXMF-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- UHGYPKHARWLOQB-UHFFFAOYSA-N trihydroxy-(13-phenyltridecyl)-tridecyl-lambda5-phosphane Chemical compound CCCCCCCCCCCCCP(O)(O)(O)CCCCCCCCCCCCCC1=CC=CC=C1 UHGYPKHARWLOQB-UHFFFAOYSA-N 0.000 description 1
- SUXIKHBBPQWLHO-UHFFFAOYSA-N trihydroxy-(8-methylnonyl)-(8-methyl-1-phenylnonyl)-lambda5-phosphane Chemical compound CC(C)CCCCCCCP(O)(O)(O)C(CCCCCCC(C)C)C1=CC=CC=C1 SUXIKHBBPQWLHO-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- DMEUUKUNSVFYAA-UHFFFAOYSA-N trinaphthalen-1-ylphosphane Chemical compound C1=CC=C2C(P(C=3C4=CC=CC=C4C=CC=3)C=3C4=CC=CC=C4C=CC=3)=CC=CC2=C1 DMEUUKUNSVFYAA-UHFFFAOYSA-N 0.000 description 1
- LAGQNGWYNLUQRI-UHFFFAOYSA-N trioctylmethylammonium bis(trifluoromethylsulfonyl)imide Chemical compound FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F.CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC LAGQNGWYNLUQRI-UHFFFAOYSA-N 0.000 description 1
- ILLOBGFGKYTZRO-UHFFFAOYSA-N tris(2-ethylhexyl) phosphite Chemical compound CCCCC(CC)COP(OCC(CC)CCCC)OCC(CC)CCCC ILLOBGFGKYTZRO-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical class CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- IQKSLJOIKWOGIZ-UHFFFAOYSA-N tris(4-chlorophenyl)phosphane Chemical compound C1=CC(Cl)=CC=C1P(C=1C=CC(Cl)=CC=1)C1=CC=C(Cl)C=C1 IQKSLJOIKWOGIZ-UHFFFAOYSA-N 0.000 description 1
- GEPJPYNDFSOARB-UHFFFAOYSA-N tris(4-fluorophenyl)phosphane Chemical compound C1=CC(F)=CC=C1P(C=1C=CC(F)=CC=1)C1=CC=C(F)C=C1 GEPJPYNDFSOARB-UHFFFAOYSA-N 0.000 description 1
- WXAZIUYTQHYBFW-UHFFFAOYSA-N tris(4-methylphenyl)phosphane Chemical compound C1=CC(C)=CC=C1P(C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 WXAZIUYTQHYBFW-UHFFFAOYSA-N 0.000 description 1
- JNJGSDYMEKOBPD-UHFFFAOYSA-N tris(4-nonylphenyl)phosphane Chemical compound C1=CC(CCCCCCCCC)=CC=C1P(C=1C=CC(CCCCCCCCC)=CC=1)C1=CC=C(CCCCCCCCC)C=C1 JNJGSDYMEKOBPD-UHFFFAOYSA-N 0.000 description 1
- QEDNBHNWMHJNAB-UHFFFAOYSA-N tris(8-methylnonyl) phosphite Chemical compound CC(C)CCCCCCCOP(OCCCCCCCC(C)C)OCCCCCCCC(C)C QEDNBHNWMHJNAB-UHFFFAOYSA-N 0.000 description 1
- JZNDMMGBXUYFNQ-UHFFFAOYSA-N tris(dodecylsulfanyl)phosphane Chemical compound CCCCCCCCCCCCSP(SCCCCCCCCCCCC)SCCCCCCCCCCCC JZNDMMGBXUYFNQ-UHFFFAOYSA-N 0.000 description 1
- PEXOFOFLXOCMDX-UHFFFAOYSA-N tritridecyl phosphite Chemical compound CCCCCCCCCCCCCOP(OCCCCCCCCCCCCC)OCCCCCCCCCCCCC PEXOFOFLXOCMDX-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/43—Compounds containing sulfur bound to nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/43—Compounds containing sulfur bound to nitrogen
- C08K5/435—Sulfonamides
-
- 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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/04—Aromatic polycarbonates
- C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
- C08K5/42—Sulfonic acids; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/527—Cyclic esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Definitions
- the present invention relates to polycarbonate resin compositions and molded articles.
- Polycarbonate resins are excellent, for example, in light transmittance, mechanical properties, thermal properties, electrical properties, weather resistance, and the like. Taking advantage of these properties, it is used for various lighting covers, resin lighting equipment covers such as display covers, optical moldings such as lenses, and transparent parts for products in the electrical and electronic fields. These molded articles are required to have flame retardancy, high light transmittance (high total light transmittance), high color tone (low yellowness and white turbidity), and the like. Techniques relating to flame-retardant polycarbonate resin compositions for such molded articles include, for example, those described in Patent Documents 1 to 3.
- Patent Document 1 discloses that a polycarbonate resin and a glass filler are contained, the glass filler has an average length of 1000 ⁇ m or less, and the total amount of the sulfonic acid organometallic salt and the sulfonamide organometallic salt is the polycarbonate resin and the glass filler. It is described that the polycarbonate resin composition having a content of 1% by mass or less based on the total amount of the glass filler has excellent flame retardancy for suppressing the burning rate after ignition and can reduce the maximum heat release rate during combustion. ing.
- Patent Document 2 (A) 100 parts by mass of a polycarbonate resin, (B) 0.05 to 3 parts by mass of a light diffusing agent, and (C) 0.01 to 0.3 parts by mass of an alkali metal trifluoromethanesulfonate It is described that a polycarbonate resin composition characterized by containing 1 part by mass is excellent in light transmittance and dispersion and has a high degree of flame retardancy.
- No. 2005/0000002 discloses a carbonate polymer and an anion selected from the group consisting of (a) a highly fluorinated methide, (b) a highly fluorinated imide, (c) a highly fluorinated amide, and any combination thereof. provides flame retardancy at relatively low levels of additive, allows for wider processing avenues of the additive composition, and has high clarity It is stated that it is possible.
- JP 2018-170105 A Japanese Patent Application Laid-Open No. 2019-203081 Japanese Patent Publication No. 2004-521166
- the polycarbonate-based resin compositions described in Patent Documents 1 to 3 have room for improvement in terms of thin-wall flame retardancy, that is, flame retardancy when the thickness of the resulting molded article is thin.
- thin-wall flame retardancy that is, flame retardancy when the thickness of the resulting molded article is thin.
- molded articles made from these polycarbonate-based resin compositions sometimes develop a yellowish tinge or cloudiness, resulting in deterioration in color tone.
- the present invention has been made in view of the above circumstances, and provides a polycarbonate-based resin composition capable of obtaining a molded article having reduced yellowness and cloudiness and improved flame retardancy and light transmittance. is.
- the present inventors have found that a molded article made of a polycarbonate resin composition containing a polycarbonate resin (A) having a branching ratio within a specific range and a specific perfluoroalkylsulfonimide (B) in a specific ratio is It was found that yellowness and white turbidity were suppressed, and thin wall flame retardancy and light transmittance were improved.
- the following polycarbonate-based resin composition and molded article are provided.
- the resin (A) has a branching ratio of 0.30 mol % or more and 3.0 mol % or less
- a polycarbonate-based resin composition in which the content of the perfluoroalkylsulfonimide (B) is 0.05 parts by mass or more and 2.0 parts by mass or less with respect to 100 parts by mass of the polycarbonate-based resin (A).
- R 31 represents a perfluoroalkyl group having 1 to 3 carbon atoms
- R 32 represents a perfluoroalkyl group having 1 to 4 carbon atoms
- M + represents a lithium ion, a sodium ion, and Indicates at least one monovalent cation selected from the group consisting of potassium ions.
- R 1 and R 2 are each independently a halogen atom, an alkyl group having 1 to 18 carbon atoms, an alkoxy group having 1 to 18 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, cycloalkoxy groups having 6 to 20 carbon atoms, alkenyl groups having 2 to 10 carbon atoms, aryl groups having 6 to 14 carbon atoms, aryloxy groups having 6 to 14 carbon atoms, aralkyl groups having 7 to 20 carbon atoms group, an aralkyloxy group having 7 to 20 carbon atoms, a nitro group, an aldehyde group, a cyano group, and a group selected from the group consisting of a carboxyl group, X is a single bond, an alkylene group having 1 to 8 carbon atoms, a carbon alkylidene group having 2 to 8 carbon atoms, cycloalkylene group having 5 to 15 carbon atoms,
- R is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, a cycloalkoxy group having 6 to 20 carbon atoms, a cycloalkoxy group having 6 to 20 carbon atoms, and an aryl group having 6 to 14 carbon atoms, each of R 11 to R 16 independently represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms or a halogen atom, PC indicates a polycarbonate portion, T indicates a terminal group, f, g and h indicate integers.) [4] The polycarbonate resin composition according to any one of [1] to [3] above, wherein the polycarbonate resin (A) has a viscosity average molecular weight of 10,000 or more and 50,000 or less.
- [5] further comprising an antioxidant (C), [1] to [4] above, wherein the content of the antioxidant (C) is 0.03 parts by mass or more and 0.50 parts by mass or less with respect to 100 parts by mass of the polycarbonate resin (A).
- the polycarbonate-based resin composition according to any one of the above.
- [6] The polycarbonate-based resin composition according to [5] above, wherein the antioxidant (C) contains at least one selected from phosphorus-based antioxidants and phenol-based antioxidants.
- [7] further comprising a release agent (D), [1] to [6] above, wherein the content of the release agent (D) is 0.01 parts by mass or more and 5.0 parts by mass or less with respect to 100 parts by mass of the polycarbonate resin (A).
- the total light transmittance of a 5 mm thick plate obtained by injection molding the polycarbonate resin composition under the conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 53 seconds is 80% or more.
- the haze of a 5 mm thick plate obtained by injection molding the polycarbonate resin composition under conditions of a cylinder temperature of 280° C., a mold temperature of 80° C., and a cycle time of 53 seconds is 4.0% or less.
- a 1.5 mm thick plate obtained by injection molding the polycarbonate resin composition under the conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 18 seconds has a flame retardancy of V according to the UL94 standard.
- the YI value of a 5 mm thick plate obtained by injection molding the polycarbonate resin composition under conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 53 seconds is 6.0 or less.
- a polycarbonate-based resin composition capable of obtaining a molded article with reduced yellowness and cloudiness and improved flame retardancy and light transmittance.
- the polycarbonate-based resin composition of the present invention contains a polycarbonate-based resin (A) and a perfluoroalkylsulfonimide (B) represented by the following formula (1). Then, (number of moles of structural units derived from branching agent)/(number of moles of structural units derived from dihydric phenol + number of moles of structural units derived from branching agent + number of moles of terminal units) ⁇ 100, polycarbonate
- the branching ratio of the system resin (A) is 0.30 mol% or more and 3.0 mol% or less
- the content of the perfluoroalkylsulfonimide (B) is, relative to 100 parts by mass of the polycarbonate resin (A), It is 0.05 mass parts or more and 2.0 mass parts or less.
- R 31 represents a perfluoroalkyl group having 1 to 3 carbon atoms
- R 32 represents a perfluoroalkyl group having 1 to 4 carbon atoms
- M + represents lithium ion, sodium ion, and potassium. It represents at least one monovalent cation selected from the group consisting of ions.
- any definition that is considered preferable can be adopted arbitrarily, and it can be said that a combination of preferable items is more preferable.
- the description of "XX to YY" means "XX or more and YY or less”.
- the polycarbonate-based resin composition of the present invention contains a polycarbonate-based resin (A) having a branching rate of 0.30 mol % or more and 3.0 mol % or less.
- the polycarbonate-based resin (A) having such a branching rate preferably contains a branched polycarbonate-based resin (A-1), more preferably a branched polycarbonate-based resin (A-1) and a branched polycarbonate-based resin ( A-1) and aromatic polycarbonate resin (A-2) other than A-1).
- the branched polycarbonate resin (A-1) is not particularly limited as long as it is a polycarbonate resin having a branched structure.
- a repeating unit represented by the following formula (I) and a repeating unit represented by the following formula (II) Those having a branched structure can be mentioned.
- R 1 and R 2 are each independently a halogen atom, an alkyl group having 1 to 18 carbon atoms, an alkoxy group having 1 to 18 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, a carbon atom a cycloalkoxy group having 6 to 20 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an aryl group having 6 to 14 carbon atoms, an aryloxy group having 6 to 14 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, It represents a group selected from the group consisting of an aralkyloxy group having 7 to 20 carbon atoms, a nitro group, an aldehyde group, a cyano group and a carboxyl group.
- X is a single bond, an alkylene group having 1 to 8 carbon atoms, an alkylidene group having 2 to 8 carbon atoms, a cycloalkylene group having 5 to 15 carbon atoms, a cycloalkylidene group having 5 to 15 carbon atoms, a cycloalkylidene group having 7 to 20 carbon atoms, It represents an aralkyl group, -S-, -SO-, -SO 2 -, -O- or -CO-.
- a and b each independently represent an integer of 0 to 4;
- R is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, a cycloalkoxy group having 6 to 20 carbon atoms, or an alkenyl having 2 to 10 carbon atoms.
- PC indicates the polycarbonate portion and T indicates the terminal group.
- f, g and h represent integers.
- the halogen atoms independently represented by R 1 and R 2 include fluorine, chlorine, bromine and iodine atoms.
- the alkyl groups independently represented by R 1 and R 2 include methyl group, ethyl group, n-propyl group, isopropyl group and various butyl groups ("various" means linear and branched The same applies hereinafter in the specification.), various pentyl groups, and various hexyl groups.
- Examples of the alkoxy group independently represented by R 1 and R 2 include those having the above alkyl group as the alkyl group moiety.
- Examples of the alkylene group represented by X include methylene group, ethylene group, trimethylene group, tetramethylene group, hexamethylene group and the like, and an alkylene group having 1 to 5 carbon atoms is preferable.
- Examples of the alkylidene group represented by X include an ethylidene group and an isopropylidene group.
- the cycloalkylene group represented by X includes a cyclopentanediyl group, a cyclohexanediyl group, a cyclooctanediyl group and the like, and a cycloalkylene group having 5 to 10 carbon atoms is preferable.
- the cycloalkylidene group represented by X includes, for example, a cyclohexylidene group, a 3,5,5-trimethylcyclohexylidene group, a 2-adamantylidene group and the like, and a cycloalkylidene group having 5 to 10 carbon atoms is preferred. , a cycloalkylidene group having 5 to 8 carbon atoms is more preferable.
- a and b each independently represent an integer of 0 to 4, preferably 0 to 2, more preferably 0 or 1.
- a and b are 0 and X is a single bond or an alkylene group having 1 to 8 carbon atoms, or a and b are 0 and X is an alkylidene group having 3 carbon atoms, particularly an isopropylidene group.
- Examples of the alkyl group having 1 to 5 carbon atoms represented by R in the above formula (II) include methyl group, ethyl group, n-propyl group, n-butyl group and n-pentyl group.
- Examples of alkyl groups having 1 to 5 carbon atoms represented by R 11 to R 16 include methyl group, ethyl group, n-propyl group, n-butyl group and n-pentyl group.
- Halogen atoms include, for example, chlorine atoms, bromine atoms, and fluorine atoms.
- the polycarbonate moiety represented by PC in formula (II) above has a repeating unit represented by formula (I) above.
- the polycarbonate moiety represented by PC has repeating units derived from bisphenol A represented by the following formula (III).
- the branched polycarbonate resin (A-1) preferably has a branched structure represented by the above formula (II) and has a branching ratio of 0.30 mol % or more and 3.0 mol % or less.
- the branching ratio of the branched polycarbonate resin (A-1) is the total moles of structural units derived from the dihydric phenol, structural units derived from the branching agent, and terminal units used in the production of the branched polycarbonate resin (A-1).
- the branching ratio can be actually measured by 1 H-NMR measurement.
- the branching agent described later is added to the total number of moles of the dihydric phenol compound, the branching agent, and the terminal terminator added as necessary, which are the raw materials of the branched polycarbonate-based resin (A-1). By adding 0.30 mol % or more and 3.0 mol % or less of, a branched polycarbonate resin having a branching ratio within the above range can be obtained.
- the branching ratio of the branched polycarbonate-based resin (A-1) is preferably 0.35 mol % or more, more preferably 0.40 mol % or more, and still more preferably 0.40 mol % or more, from the viewpoint of further improving thin wall flame retardancy. 43 mol% or more, more preferably 0.45 mol% or more, preferably 2.5 mol% from the viewpoint of obtaining good thin flame retardancy, light transmittance, mechanical properties, moldability, and fluidity Below, more preferably 2.0 mol % or less, still more preferably 1.5 mol % or less, still more preferably 1.0 mol % or less.
- the branched structure may be derived from a single branching agent or may be derived from two or more branching agents.
- the branched structure represented by the above formula (II) is 1,1,1-tris(4-hydroxyphenyl)ethane in which R is a methyl group and each of R 11 to R 16 is a hydrogen atom. It is more preferable to have a branched structure which is a structure derived from.
- the branched polycarbonate resin (A-1) preferably has a viscosity average molecular weight (Mv) of 10,000 to 50,000, more preferably 15,000 to 30,000, still more preferably 17,000 to 28,000. have The viscosity-average molecular weight can be adjusted by using a molecular weight modifier (terminal terminator) or the like or by adjusting the reaction conditions.
- the viscosity-average molecular weight of the branched polycarbonate resin (A-1) is within the above range, the polycarbonate resin composition can further improve the balance of flame retardancy, light transmittance, and mechanical properties and has excellent moldability. Obtainable.
- the viscosity-average molecular weight (Mv) is a value calculated from the following Schnell's formula by measuring the intrinsic viscosity [ ⁇ ] of a methylene chloride solution (concentration unit: g/L) at 20°C.
- the aromatic polycarbonate-based resin (A-2) is a non-branched polycarbonate-based resin other than the branched polycarbonate-based resin (A-1), and preferably has a repeating unit represented by the following formula (IV).
- R 21 and R 22 are each independently a halogen atom, an alkyl group having 1 to 18 carbon atoms, an alkoxy group having 1 to 18 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, or a carbon atom.
- halogen atom the alkyl group having 1 to 6 carbon atoms or the alkoxy group having 1 to 6 carbon atoms represented by R 21 and R 22 in the above formula (IV) are the same as those described above for R 1 and R 2 . are identical.
- alkylene group having 1 to 8 carbon atoms, the alkylidene group having 2 to 8 carbon atoms, the cycloalkylene group having 5 to 15 carbon atoms, and the cycloalkylidene group having 5 to 15 carbon atoms represented by X' are described above for X. is the same as t and u each independently represent an integer of 0 to 4, preferably 0 to 2, more preferably 0 or 1;
- the aromatic polycarbonate-based resin (A-2) may contain a plurality of types of polycarbonate blocks.
- the aromatic polycarbonate resin (A-2) preferably 90% by mass or more, more preferably 90% by mass of repeating units in which t and u in the above formula (IV) are 0 and X' is an isopropylidene group.
- a resin containing 0.9% by mass or more, more preferably 93.3% by mass or more, still more preferably 95% by mass or more, and still more preferably 100% by mass is preferred.
- the viscosity average molecular weight (Mv) of the aromatic polycarbonate resin (A-2) is usually 10,000 to 50,000, preferably 13,000 to 35,000, more preferably 14,000 to 28,000. .
- the viscosity-average molecular weight (Mv) was calculated by the Schnell formula in the same manner as for the branched polycarbonate resin (A-1).
- the polycarbonate-based resin (A) of the present invention includes, for example, a branched polycarbonate-based resin (A-1) and an aromatic polycarbonate-based resin (A-2) other than the branched polycarbonate-based resin (A-1).
- the content of the branched polycarbonate resin (A-1) is preferably 40% by mass or more, more preferably 45% by mass or more, still more preferably 50% by mass or more, and may be 100% by mass.
- the content of the aromatic polycarbonate resin (A-2) is the balance of the branched polycarbonate resin (A-1).
- the branching ratio of the polycarbonate-based resin (A) is 0.30 mol% or more and 3.0 mol% or less, but from the viewpoint of further improving thin wall flame retardancy, it is preferably 0.35 mol% or more, more preferably 0.40 mol% or more, more preferably 0.43 mol% or more, more preferably 0.45 mol% or more, good thin flame retardancy, light transmission, mechanical properties, moldability, fluidity is preferably 2.5 mol % or less, more preferably 2.0 mol % or less, still more preferably 1.5 mol % or less, still more preferably 1.0 mol % or less.
- the branching ratio of the polycarbonate resin (A) is determined by the structural unit derived from the dihydric phenol used in the production of the branched polycarbonate resin (A-1) and the aromatic polycarbonate resin (A-2), the structure derived from the branching agent The number of moles of structural units derived from the branching agent with respect to the total number of moles of units and terminal units (the number of moles of structural units derived from the branching agent / (structural units derived from dihydric phenol + structural units derived from the branching agent + terminal units) total number of moles ⁇ 100 (expressed in mol%)).
- the branching ratio can be actually measured by 1 H-NMR measurement.
- the branching rate of the mixture of the two or more resins is taken as the branching rate of the polycarbonate-based resin (A).
- the viscosity average molecular weight of the polycarbonate resin (A) is preferably 10,000 to 50,000, more preferably 13,000 to 35,000, still more preferably 15,000 to 30,000, still more preferably 17,000. to 28,000, more preferably 20,000 to 25,000.
- the viscosity-average molecular weight of the polycarbonate-based resin (A) is within the above range, it is possible to further improve the balance of flame retardancy, light transmittance, and mechanical properties, and to obtain a polycarbonate-based resin composition having excellent moldability.
- the viscosity-average molecular weight is a value calculated by Schnell's formula, like the branched polycarbonate resin (A-1).
- the viscosity-average molecular weight of the mixture of the two or more resins is taken as the viscosity-average molecular weight of the polycarbonate-based resin (A).
- the polycarbonate-based resin (A) is not particularly limited and can be produced by a known method.
- Examples of the method for producing the polycarbonate-based resin (A) include a method for producing it by a solution method (interfacial polycondensation method) or a melting method (ester exchange method) using a dihydric phenol and a carbonate precursor as raw materials. That is, the polycarbonate-based resin (A) is produced by an interfacial polycondensation method in which a carbonate precursor such as dihydric phenol and phosgene are reacted in the presence of a terminal terminator added as necessary, or by dihydric phenol and diphenyl carbonate or the like. can be produced by a method such as transesterification with a carbonate precursor.
- the interfacial polycondensation method is not particularly limited, and may be a one-step method in which a dihydric phenol and a carbonate precursor are reacted to obtain a polycarbonate resin, or a dihydric phenol and a carbonate precursor are reacted to obtain a polycarbonate oligomer.
- a two-step method may be used in which the polycarbonate oligomer is produced, and if necessary, a dihydric phenol is further added and reacted to obtain a polycarbonate-based resin.
- An example of the two-step method among the interfacial polycondensation methods in which dihydric phenol and phosgene are reacted is specifically described below.
- the branched polycarbonate-based resin (A-1) and the aromatic polycarbonate-based resin (A-2) that constitute the polycarbonate-based resin (A) are each reacted with dihydric phenol and phosgene in an organic solvent. It can be produced from the step (1) of producing a polycarbonate oligomer, followed by the step (2) of producing a polycarbonate resin by reacting the polycarbonate oligomer, dihydric phenol, and an optionally added terminal terminator.
- Step (1) dihydric phenol and phosgene are reacted in an organic solvent to produce a polycarbonate oligomer having chloroformate groups.
- dihydric phenol in the case of the branched polycarbonate resin (A-1), a compound represented by the following formula (i), and in the case of the aromatic polycarbonate resin (A-2), the following formula (ii) ) is preferably used.
- R 1 , R 2 , a, b and X are as defined above.
- R 21 , R 22 , t, u and X' are as described above.
- dihydric phenols represented by formulas (i) and (ii) above include 2,2-bis(4-hydroxyphenyl)propane [bisphenol A], bis(4-hydroxyphenyl)methane, 1, Bis(hydroxyphenyl)alkanes such as 1-bis(4-hydroxyphenyl)ethane, 2,2-bis(4-hydroxy-3,5-dimethylphenyl)propane, 4,4′-dihydroxydiphenyl, bis(4 -hydroxyphenyl)cycloalkane, bis(4-hydroxyphenyl)oxide, bis(4-hydroxyphenyl)sulfide, bis(4-hydroxyphenyl)sulfone, bis(4-hydroxyphenyl)sulfoxide, bis(4-hydroxyphenyl) ketones and the like.
- bisphenol A bis(4-hydroxyphenyl)methane
- 1, Bis(hydroxyphenyl)alkanes such as 1-bis(4-hydroxyphenyl)ethane, 2,2-bis(4-hydroxy-3
- dihydric phenols may be used singly or in combination of two or more. Among these, bis(hydroxyphenyl)alkane-based dihydric phenols are preferred, and bisphenol A is more preferred.
- dihydric phenols other than bisphenol A include bis(hydroxyaryl)alkanes, bis(hydroxyaryl)cycloalkanes, dihydroxyaryl ethers, dihydroxydiarylsulfides, dihydroxydiarylsulfoxides, dihydroxydiarylsulfones, dihydroxy diphenyls, dihydroxydiarylfluorenes, dihydroxydiaryladamantanes, and the like. These dihydric phenols may be used singly or in combination of two or more.
- bis(hydroxyaryl)alkanes include bis(4-hydroxyphenyl)methane, 1,1-bis(4-hydroxyphenyl)ethane, 2,2-bis(4-hydroxyphenyl)butane, 2,2- Bis(4-hydroxyphenyl)octane, bis(4-hydroxyphenyl)phenylmethane, bis(4-hydroxyphenyl)diphenylmethane, 2,2-bis(4-hydroxy-3-methylphenyl)propane, bis(4-hydroxy phenyl)naphthylmethane, 1,1-bis(4-hydroxy-3-tert-butylphenyl)propane, 2,2-bis(4-hydroxy-3-bromophenyl)propane, 2,2-bis(4-hydroxy -3,5-dimethylphenyl)propane, 2,2-bis(4-hydroxy-3-chlorophenyl)propane, 2,2-bis(4-hydroxy-3,5-dichlorophenyl)propane
- Bis(hydroxyaryl)cycloalkanes include, for example, 1,1-bis(4-hydroxyphenyl)cyclopentane, 1,1-bis(4-hydroxyphenyl)cyclohexane, 1,1-bis(4-hydroxyphenyl) -3,5,5-trimethylcyclohexane, 2,2-bis(4-hydroxyphenyl)norbornane, 1,1-bis(4-hydroxyphenyl)cyclododecane and the like.
- dihydroxyaryl ethers include 4,4'-dihydroxydiphenyl ether and 4,4'-dihydroxy-3,3'-dimethylphenyl ether.
- dihydroxydiarylsulfides include 4,4'-dihydroxydiphenylsulfide and 4,4'-dihydroxy-3,3'-dimethyldiphenylsulfide.
- dihydroxydiarylsulfoxides include 4,4'-dihydroxydiphenylsulfoxide and 4,4'-dihydroxy-3,3'-dimethyldiphenylsulfoxide.
- dihydroxydiarylsulfones include 4,4'-dihydroxydiphenylsulfone and 4,4'-dihydroxy-3,3'-dimethyldiphenylsulfone.
- dihydroxydiphenyls examples include 4,4'-dihydroxydiphenyl.
- dihydroxydiarylfluorenes include 9,9-bis(4-hydroxyphenyl)fluorene and 9,9-bis(4-hydroxy-3-methylphenyl)fluorene.
- dihydroxydiaryladamantanes examples include 1,3-bis(4-hydroxyphenyl)adamantane, 2,2-bis(4-hydroxyphenyl)adamantane, 1,3-bis(4-hydroxyphenyl)-5,7- dimethyladamantane and the like.
- dihydric phenols other than the above examples include 4,4′-[1,3-phenylenebis(1-methylethylidene)]bisphenol, 10,10-bis(4-hydroxyphenyl)-9-anthrone, 1,5 -bis(4-hydroxyphenylthio)-2,3-dioxapentane and the like.
- Phosgene is a compound obtained by reacting chlorine and carbon monoxide, usually at a ratio of 1.01 to 1.3 mol of carbon monoxide to 1 mol of chlorine, using activated carbon as a catalyst.
- phosgene gas containing about 1 to 30% by volume of unreacted carbon monoxide can be used. Phosgene in liquefied form can also be used.
- an alkaline aqueous solution of dihydric phenol, phosgene, and an organic solvent are introduced into the reactor and reacted.
- the amount of the organic solvent used is desirably selected so that the volume ratio of the organic solvent phase to the aqueous phase is 5/1 to 1/7, preferably 2/1 to 1/4.
- the reaction of chloroformating the terminal group of the dihydric phenol with phosgene and the reaction of decomposing phosgene with alkali generate heat and increase the temperature of the reaction product. Therefore, it is preferable to cool the reaction product to a temperature of 0 to 50°C, preferably 5 to 40°C.
- the amount of phosgene to be used is preferably 1.1 to 1.5 moles per 1 mole of dihydric phenol, which is an excess of phosgene.
- the reaction solution obtained after the reaction is separated into an aqueous phase and an organic phase to obtain an organic phase containing a polycarbonate oligomer.
- the weight average molecular weight of the obtained polycarbonate oligomer is usually 5,000 or less, and the degree of polymerization is usually 20-mer or less, preferably 2-10 mer.
- the amine-based polymerization catalyst used in the subsequent step (2) can also be used to accelerate the reaction during the production of the polycarbonate oligomer.
- a terminal terminator that is used as a molecular weight modifier for polycarbonate may be used. Examples of compounds used as terminal terminator include phenol, p-cresol, p-tert-butylphenol, p-tert-octylphenol, p-cumylphenol, 3-pentadecylphenol, bromophenol, tribromophenol, nonylphenol. monohydric phenols such as Among these, p-tert-butylphenol, p-cumylphenol and phenol are preferred from the viewpoints of economy, availability and the like. Also, the fluidity of the obtained polycarbonate can be greatly improved by using 3-pentadecylphenol.
- the reactor used in producing the polycarbonate oligomer is preferably a static mixer, that is, a static mixer.
- the static mixer is preferably a tubular reactor containing elements therein that act to divide, divert and invert the fluid. Oligomerization can be promoted by further using a tank-type stirred tank having a stirrer after the static mixer, so it is preferable to use such reactors in combination.
- a reaction mixture containing a polycarbonate oligomer having a chloroformate group is obtained through step (1).
- the reaction mixture is separated into an organic phase containing the polycarbonate oligomer and an aqueous phase by using separation means such as static separation, and the organic phase containing the polycarbonate oligomer is used in step (2) described below.
- step (2) the polycarbonate oligomer obtained in step (1) and, if necessary, dihydric phenol are reacted with an optional terminal terminator to produce a polycarbonate-based resin.
- a polycarbonate oligomer and a dihydric phenol are subjected to a polycondensation reaction to adjust the molecular weight to the target molecular weight range. The polycondensation reaction is carried out until the viscosity-average molecular weight of the resulting polycarbonate-based resin falls within the range described above.
- an organic solvent phase containing the polycarbonate oligomer separated in step (1), an optional terminal terminator, an optional polymerization catalyst, an organic solvent, an aqueous alkaline solution, and a dihydric phenol and an alkaline aqueous solution, and the interfacial polycondensation is carried out at a temperature usually in the range of 0 to 50°C, preferably 20 to 40°C.
- the alkali, organic solvent, and terminal terminator used in the alkaline aqueous solution used in this step are the same as those described in the above step (1).
- the amount of the organic solvent used in step (2) is usually selected so that the volume ratio of the organic phase to the aqueous phase is preferably 7/1 to 1/1, more preferably 5/1 to 2/1. do.
- the reactor used in step (2) depending on the processing capacity of the reactor, the reaction can be completed with only one reactor, but if necessary, a subsequent second reactor, can use multiple reactors, such as a third reactor.
- a stirred tank, a multi-stage stirred tank, a non-stirred tank, a static mixer, a line mixer, an orifice mixer, and/or piping can be used.
- the obtained reaction liquid has an organic solvent phase containing polycarbonate resin and an aqueous phase containing unreacted dihydric phenol
- oil-water separation is performed.
- the separation device include static separation tanks and centrifuges.
- the separated organic solvent phase containing the polycarbonate-based resin is washed with alkali, acid and pure water in this order to obtain an organic solvent phase containing the purified polycarbonate-based resin.
- the organic solvent phase containing the purified polycarbonate-based resin is concentrated if necessary, followed by kneading, hot-water granulation, or the like to obtain polycarbonate-based resin powder.
- the polycarbonate resin powder from which the organic solvent has been removed can be obtained by performing a drying treatment such as a heat treatment.
- the obtained polycarbonate-based resin powder can be pelletized using a pelletizer or the like to form various molded bodies.
- a branched polycarbonate resin (A-1) can be produced by adding an arbitrary branching agent. By not adding a branching agent, the aromatic polycarbonate resin (A-2) can be produced.
- a branching agent can be added in any of steps (1) and/or (2) above. When added in step (1), it is added together with dihydric phenol and phosgene for reaction.
- the branching agent represented by the formula (iii) described below can be dissolved in an alkaline aqueous solution, so it is desirable to dissolve it in an alkaline aqueous solution before introduction.
- branching agents that are difficult to dissolve in an alkaline aqueous solution are preferably dissolved in an organic solvent such as methylene chloride before introduction.
- the branching agent can be added to either step (1) or step (2), or both steps (1) and (2).
- a branching agent can also be added in step (2).
- the amount of branching agent added is the total amount of branching agents added in steps (1) and (2), and is based on the total number of moles of the raw material dihydric phenol compound, the branching agent, and the terminal terminator added as necessary. On the other hand, it is preferable to finally add 0.30 mol % or more and 3.0 mol % or less. By adjusting the amount to be added, it is possible to obtain the branched polycarbonate resin (A-1) having the preferable branching rate described above.
- the amount of the branching agent added to the total number of moles of the dihydric phenol compound, the branching agent, and the terminal terminator added as necessary is preferably 0.35 mol% or more, from the viewpoint of further improving thin-wall flame retardancy. More preferably 0.40 mol% or more, still more preferably 0.43 mol% or more, still more preferably 0.45 mol% or more, good thin flame retardancy, light transmission, mechanical properties, moldability From the viewpoint of obtaining fluidity, it is preferably 2.5 mol% or less, more preferably 2.0 mol% or less, still more preferably 1.5 mol% or less, still more preferably 1.0 mol% or less.
- R is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, a cycloalkoxy group having 6 to 20 carbon atoms, or an alkenyl having 2 to 10 carbon atoms.
- the branching agent represented by formula (iii) above will be described in more detail.
- the alkyl group having 1 to 5 carbon atoms represented by R includes, for example, methyl group, ethyl group, n-propyl group, n-butyl group, n-pentyl group and the like.
- Examples of alkyl groups having 1 to 5 carbon atoms represented by R 11 to R 16 include methyl group, ethyl group, n-propyl group, n-butyl group and n-pentyl group. , for example, a chlorine atom, a bromine atom, a fluorine atom, and the like.
- the branching agent represented by formula (iii) is 1,1,1-tris(4-hydroxyphenyl)methane; 1,1,1-tris(4-hydroxyphenyl)ethane; , 1,1-tris(4-hydroxyphenyl)propane; 1,1,1-tris(2-methyl-4-hydroxyphenyl)methane; 1,1,1-tris(2-methyl-4-hydroxyphenyl) ethane; 1,1,1-tris(3-methyl-4-hydroxyphenyl)methane; 1,1,1-tris(3-methyl-4-hydroxyphenyl)ethane; 1,1,1-tris(3, 5-dimethyl-4-hydroxyphenyl)methane; 1,1,1-tris(3,5-dimethyl-4-hydroxyphenyl)ethane; 1,1,1-tris(3-chloro-4-hydroxyphenyl)methane 1,1,1-tris(3-chloro-4-hydroxyphenyl)ethane; 1,1,1-tris(3,5-d
- 1,1,1-tris(4-hydroxyphenyl)ethane (hereinafter sometimes abbreviated as THPE) is preferably used from the viewpoint of availability, reactivity and economy.
- THPE 1,1,1-tris(4-hydroxyphenyl)ethane
- the branching agent represented by the above formula (iii) contains at least a branched polycarbonate-based resin having one structural unit derived from the branching agent represented by the above formula (iii), and the branched polycarbonate-based resin represented by the above formula (iii).
- a branched polycarbonate resin having two or more structural units derived from an agent can also be included.
- a branched polycarbonate-based resin containing two or more structural units derived from such a branching agent is also a branched polycarbonate-based resin (A-1), and the branching ratio is measured by 1 H-NMR measurement. can be done.
- a polymerization catalyst can be used in both the above step (1) and step (2), and for example, an amine catalyst can be used.
- a tertiary amine or its salt, or a quaternary ammonium salt can be used as the amine-based catalyst.
- Tertiary amines include, for example, triethylamine, tributylamine, N,N-dimethylcyclohexylamine, pyridine, dimethylaniline and the like.
- Tertiary amine salts include hydrochlorides and bromates of these tertiary amines. etc.
- quaternary ammonium salts include trimethylbenzylammonium chloride, triethylbenzylammonium chloride, tributylbenzylammonium chloride, trioctylmethylammonium chloride, tetrabutylammonium chloride and tetrabutylammonium bromide.
- amine-based catalyst tertiary amines are preferred, and triethylamine is particularly preferred.
- These catalysts can be introduced as they are if they are in a liquid state, or after being dissolved in an organic solvent or water. Moreover, a solid state thing can be melt
- the molar ratio is, for example, 0.0005 or more and 0.030 or less with respect to the chloroformate groups of the polycarbonate oligomer obtained in step (1).
- the amount of the polymerization catalyst added in step (2) is within the above range, the flame retardancy of the resulting polycarbonate-based resin can be enhanced.
- the amount of the polymerization catalyst added in step (2) is more preferably 0.001 or more, more preferably 0.002 or more, and still more preferably 0.004 or more in terms of molar ratio to the chloroformate groups of the polycarbonate oligomer. , more preferably 0.006 or more, more preferably 0.025 or less, still more preferably 0.020 or less.
- the polycarbonate-based resin composition of the present invention comprises a perfluoroalkylsulfonimide (B) represented by the following formula (1) (hereinafter also referred to as "perfluoroalkylsulfonimide (B)"), a polycarbonate-based resin (A ) 0.05 parts by mass or more and 2.0 parts by mass or less per 100 parts by mass.
- perfluoroalkylsulfonimide (B) one type may be used alone, or two or more types may be used in combination.
- R 31 represents a perfluoroalkyl group having 1 to 3 carbon atoms
- R 32 represents a perfluoroalkyl group having 1 to 4 carbon atoms
- M + represents lithium ion, sodium ion, and potassium ion.
- R 31 is preferably a perfluoroalkyl group having 1 or 2 carbon atoms, more preferably a perfluoroalkyl group having 1 carbon atom, from the viewpoint of further improving thin wall flame retardancy, and R 32 preferably has a carbon number of It is a perfluoroalkyl group having 1 to 3 carbon atoms, more preferably a perfluoroalkyl group having 1 or 2 carbon atoms, and still more preferably a perfluoroalkyl group having 1 carbon atom.
- C1 perfluoroalkyl group is perfluoromethyl group ( -CF3 group)
- C2 perfluoroalkyl group is perfluoroethyl group ( -CF2CF3 group)
- C3 perfluoroalkyl group is a perfluorobutyl group (--CF 2 CF 2 CF 3 group).
- M + is at least one selected from the group consisting of lithium ions, sodium ions, and potassium ions, preferably the group consisting of lithium ions and potassium ions, from the viewpoint of improving thin-wall flame retardancy and suppressing yellowness. is at least one selected from, more preferably potassium ion.
- the perfluoroalkylsulfonimide (B) represented by the formula (1) is preferably potassium bis(trifluoromethanesulfonyl)imide, lithium bis(trifluoromethanesulfonyl)imide, sodium bis(trifluoromethanesulfonyl)imide, potassium The group consisting of nonafluoro-N-[(trifluoromethane)sulfonyl]butanesulfonylamide, sodium nonafluoro-N-[(trifluoromethane)sulfonyl]butanesulfonylamide, and lithium nonafluoro-N-[(trifluoromethane)sulfonyl]butanesulfonylamide At least one selected from, more preferably at least one selected from the group consisting of potassium bis(trifluoromethanesulfonyl)imide, lithium bis(trifluoromethanesulfonyl)imide, and sodium bis(tri
- the polycarbonate-based resin composition of the present invention contains 0.05 parts by mass or more and 2.0 parts by mass or less of the perfluoroalkylsulfonimide (B) with respect to 100 parts by mass of the polycarbonate-based resin (A).
- the content of the perfluoroalkylsulfonimide (B) in the polycarbonate-based resin composition of the present invention is preferably 0.00% per 100 parts by mass of the polycarbonate-based resin (A), from the viewpoint of further improving thin-wall flame retardancy.
- the total content of the polycarbonate-based resin (A) and perfluoroalkylsulfonimide (B) in the polycarbonate-based resin composition of the present invention is 100% by mass for the entire polycarbonate-based resin composition. From the viewpoint of further suppressing yellowness and cloudiness, and from the viewpoint of further improving thin-wall flame retardancy and light transmittance, it is preferably 50% by mass or more, more preferably 60% by mass or more, and still more preferably 70% by mass or more. More preferably 80% by mass or more, more preferably 90% by mass or more, still more preferably 95% by mass or more, still more preferably 98% by mass or more, still more preferably 99% by mass or more. Although the upper limit of the total content of the polycarbonate resin (A) and the perfluoroalkylsulfonimide (B) is not particularly limited, it is, for example, 100% by mass or less.
- the polycarbonate-based resin composition of the present invention further contains an antioxidant (C) from the viewpoint of further suppressing yellowness and cloudiness, and from the viewpoint of further improving thin wall flame retardancy and light transmittance.
- an antioxidant (C) a known one can be used, and preferably at least one selected from phosphorus antioxidants and phenolic antioxidants can be used.
- Phosphorus-based antioxidants include, for example, triphenylphosphite, diphenylnonylphosphite, diphenyl(2-ethylhexyl)phosphite, tris(2,4-di-tert-butylphenyl)phosphite, tris(nonylphenyl) phosphites, diphenylisooctylphosphite, 2,2′-methylenebis(4,6-di-tert-butylphenyl)octylphosphite, diphenylisodecylphosphite, diphenylmono(tridecyl)phosphite, phenyldiisodecylphosphite, Phenyldi(tridecyl)phosphite, Tris(2-ethylhexyl)phosphite, Tris(isodecyl)pho
- Phenolic antioxidants include, for example, triethylene glycol-bis[3-(3-tert-butyl-5-methyl-4-hydroxyphenyl)propionate], 1,6-hexanediol-bis[3-(3 ,5-di-tert-butyl-4-hydroxyphenyl)propionate], pentaerythritol-tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], octadecyl-3-(3, 5-di-tert-butyl-4-hydroxyphenyl)propionate, 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, N, N-hexamethylenebis(3,5-di-tert-butyl-4-hydroxy-hydrocinnamide), 3,5-di-tert-butyl-4-hydroxy-benzylphosphonate dieth
- phenolic antioxidant "Irganox 1010" (manufactured by BASF Japan Ltd., trademark), “Irganox 1076” (manufactured by BASF Japan Ltd., trademark), “Irganox 1330” (BASF Japan Ltd.) Trademark), “Irganox3114” (manufactured by BASF Japan Ltd., trademark), “Irganox3125” (manufactured by BASF Japan Ltd., trademark), “BHT” (manufactured by Takeda Pharmaceutical Co., Ltd., trademark), “Cyanox1790 ” (manufactured by Solvay, trademark) and “Sumilizer GA-80” (manufactured by Sumitomo Chemical Co., Ltd., trademark).
- the antioxidant (C) may be used alone or in combination of two or more.
- the content of the antioxidant (C) in the polycarbonate resin composition of the present invention can further suppress yellowness and cloudiness with respect to 100 parts by mass of the polycarbonate resin (A).
- it is preferably 0.03 parts by mass or more, more preferably 0.05 parts by mass or more, still more preferably 0.07 parts by mass or more, and still more preferably 0.08 parts by mass or more.
- it is preferably 0.50 parts by mass or less, more preferably 0.20 parts by mass or less, and still more preferably 0. 0.18 parts by mass or less.
- the total amount is within the above range.
- the polycarbonate-based resin composition of the present invention preferably further contains a release agent (D).
- the release agent (D) is not particularly limited as long as it can be blended with the polycarbonate resin to improve the releasability during molding. Stearate, pentaerythritol tristearate, pentaerythritol tetrastearate, montan acid ester wax, carboxylic acid ester and the like can be used.
- the release agent (D) may be used alone or in combination of two or more.
- the content of the release agent (D) in the polycarbonate-based resin composition of the present invention is preferably 0.01 parts by mass or more from the viewpoint of improving releasability with respect to 100 parts by mass of the polycarbonate-based resin (A). , More preferably 0.02 parts by mass or more, more preferably 0.03 parts by mass or more, from the viewpoint of further improving thin wall flame retardancy, and from the viewpoint of obtaining good light transmittance, color tone, and mechanical properties , preferably 5.0 parts by mass or less, more preferably 2.0 parts by mass or less, still more preferably 1.0 parts by mass or less, and even more preferably 0.5 parts by mass or less. When multiple types of release agents (D) are used, the total amount is within the above range.
- the polycarbonate-based resin composition of the present invention preferably further contains a silicone compound (E).
- the silicone compound (E) has the effect of acting as a lubricant to suppress yellowing, the effect of improving flame retardancy, and the effect of reducing silver streaks during molding. It has the effect of preventing appearance defects such as occurrence.
- the polycarbonate-based resin composition is used for optical purposes, it is preferable to reduce the difference in refractive index from the polycarbonate-based resin, and the refractive index of the silicone compound (E) is preferably 1.45 to 1.65, more preferably 1.48 to 1.60.
- silicone compound (E) a silicone compound in which a hydrocarbon group having 1 to 12 carbon atoms is bonded to a silicon atom can be used.
- silicone compound (E) both a silicone compound (e1) having no functional group and a silicone compound (e2) having a functional group can be used.
- a silicone compound (e1) having no functional groups is (R S2 ) r SiO (4-r)/2 [wherein each R S2 independently represents a hydrocarbon group having 1 to 12 carbon atoms. Also, r is an integer that satisfies 0 ⁇ r ⁇ 3. ] is a polymer or copolymer comprising a structural unit represented by The hydrocarbon group represented by R S2 includes a methyl group, an ethyl group, a phenyl group and the like.
- Specific compounds of the silicone compound (e1) having no functional group include, for example, polydimethylsiloxane, polymethylethylsiloxane, polymethylphenylsiloxane, polydimethyldiphenylsiloxane, and the like. And from the viewpoint of maintaining transparency by adjusting the refractive index and improving the flame retardancy of molded articles, it is preferable to use polysiloxanes containing phenyl groups, such as polymethylphenylsiloxane and polydimethyldiphenylsiloxane.
- the functional group-containing silicone compound (e2) is (R S1 ) p (R S2 ) q SiO (4-pq)/2 [wherein R S1 is each independently a functional group, R S2 is each It independently represents a hydrocarbon group having 1 to 12 carbon atoms. Also, p and q are integers satisfying 0 ⁇ p ⁇ 3, 0 ⁇ q ⁇ 3, and 0 ⁇ p+q ⁇ 3, respectively.
- R S1 is a polymer or copolymer comprising a structural unit represented by Examples of the functional group represented by R S1 include an alkoxy group, an aryloxy group, a polyoxyalkylene group, a hydrogen group, a hydroxyl group, a carboxyl group, a silanol group, an amino group, a mercapto group, an epoxy group, and a vinyl group. Among them, an alkoxy group, a hydrogen group, a hydroxyl group, an epoxy group and a vinyl group are preferred, and a methoxy group and a vinyl group are more preferred.
- the hydrocarbon group represented by R S2 includes a methyl group, an ethyl group, a phenyl group and the like.
- the functional group-containing silicone compounds (e2) particularly useful ones are functional group-containing silicone compounds composed of a structural unit containing a phenyl group as the hydrocarbon group represented by R S2 in the above formula.
- the functional group represented by R S1 in the above formula may contain one type of functional group, may contain a plurality of different functional groups, or may be a mixture thereof. .
- Those having a value of functional group (R S1 )/hydrocarbon group (R S2 ) in the above formula of 0.1 to 3, preferably 0.3 to 2 are preferably used.
- the functional group-containing silicone compound may be liquid or powdery. In the liquid state, those having a viscosity of about 10 to 500,000 cSt at room temperature are preferred.
- silicone compound (E) "KR-511” (manufactured by Shin-Etsu Chemical Co., Ltd., trade name), “KR-2710” (manufactured by Shin-Etsu Chemical Co., Ltd., trade name), " TSF437” (manufactured by Momentive Performance Materials, trade name), "TSF431” (manufactured by Momentive Performance Materials, trade name), “TSF433” (manufactured by Momentive Performance Materials, trade name), Commercial products such as “TSF4300” (manufactured by Momentive Performance Materials, trade name) and “SFR320” (manufactured by Momentive Performance Materials, trade name) can be cited.
- the content of the silicone compound (E) in the polycarbonate resin composition of the present invention is such that when the polycarbonate resin composition of the present invention is pelletized with respect to 100 parts by mass of the polycarbonate resin (A), it acts as a lubricant. From the viewpoint of suppressing yellowing by acting and preventing appearance defects such as silver streaks during molding, it is preferably 0.01 parts by mass or more, more preferably 0.05 parts by mass or more, and still more preferably.
- the content of the silicone compound (E) is 1.0 parts by mass or less or 0.5 parts by mass with respect to 100 parts by mass of the polycarbonate resin (A) from the viewpoint of obtaining favorable light transmittance, color tone, and mechanical properties. It can also be less than part.
- the silicone compound (E) is a silicone compound (e1) that does not have a functional group
- its content is the polycarbonate resin ( A) With respect to 100 parts by mass, preferably 0.10 parts by mass or more and 2.0 parts by mass or less, more preferably 0.30 parts by mass or more and 1.2 parts by mass or less, still more preferably 0.60 parts by mass or more and 1 .2 parts by mass or less.
- the silicone compound (E) is a silicone compound (e2) having a functional group
- the content thereof is preferably 0.05 parts by mass or more and 1.0 parts by mass or less, more preferably 0.10 parts by mass or more and 0.10 parts by mass or more. It is 50 parts by mass or less.
- the total amount is within the above range.
- the polycarbonate resin composition of the present invention may contain various components within a range that does not adversely affect the color tone, thin flame retardancy, light transmittance, etc. of the resulting molded product.
- additives can be contained. Examples of these additives include flame retardants other than perfluoroalkylsulfonimide (B), polyethers, polytetrafluoroethylene, alicyclic epoxy compounds, ultraviolet absorbers, and diffusing agents.
- the total content of the perfluoroalkanesulfonic acid metal salt and the aromatic-containing metal sulfonic acid metal salt, which are a type of flame retardant is Preferably less than 0.05 parts by mass, more preferably less than 0.03 parts by mass, still more preferably less than 0.01 parts by mass, and still more preferably 0.005 parts by mass with respect to 100 parts by mass of the polycarbonate resin (A) It is less than 0.001 part by mass, more preferably less than 0.001 part by mass, and it is more preferable that the polycarbonate-based resin composition of the present invention does not contain a perfluoroalkanesulfonic acid metal salt and an aromatic-containing metal sulfonic acid salt.
- perfluoroalkanesulfonic acid metal salts examples include potassium trifluoromethanesulfonate, potassium nonafluorobutanesulfonate, potassium perfluorohexanesulfonate, potassium perfluorooctanesulfonate, sodium pentafluoroethanesulfonate, and perfluorobutanesulfonate.
- sodium perfluorooctanesulfonate lithium trifluoromethanesulfonate, lithium perfluorobutanesulfonate, lithium perfluoroheptanesulfonate, cesium trifluoromethanesulfonate, cesium perfluorobutanesulfonate, cesium perfluorooctanesulfonate, cesium perfluorohexanesulfonate, rubidium perfluorobutanesulfonate, rubidium perfluorohexanesulfonate, and the like.
- aromatic-containing sulfonic acid metal salts include disodium diphenylsulfide-4,4′-disulfonate, dipotassium diphenylsulfide-4,4′-disulfonate, potassium 5-sulfoisophthalate, and sodium 5-sulfoisophthalate.
- the polycarbonate-based resin composition of the present invention can suppress the yellowness and cloudiness of the resulting molded product, and can improve the flame retardancy and light transmittance of thin-walled products. Specific details are as follows, which will be described in detail in Examples.
- the total light transmittance of the three-stage plate 3 mm thick part obtained by injection molding the polycarbonate resin composition of the present invention under the conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 31 seconds is From the viewpoint of further improving light transmittance, it is preferably 80% or more, more preferably 85% or more, still more preferably 87% or more, and even more preferably 88% or more. From the viewpoint of light transmittance, the higher the total light transmittance, the better, so the upper limit is not particularly limited. good.
- the total light transmittance of a 5 mm thick plate obtained by injection molding the polycarbonate resin composition of the present invention under the conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 53 seconds It is preferably 80% or more, more preferably 85% or more, still more preferably 87% or more, and still more preferably 88% or more. From the viewpoint of light transmittance, the higher the total light transmittance, the better, so the upper limit is not particularly limited. good.
- the total light transmittance can be measured according to JIS K7375:2008.
- the YI value of the three-stage plate 3 mm thick part obtained by injection molding the polycarbonate resin composition of the present invention under the conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 31 seconds is obtained. It is preferably 3.5 or less, more preferably 3.0 or less, and still more preferably 2.5 or less from the viewpoint of further suppressing the yellowness of the molded article. From the viewpoint of further suppressing yellowness, the lower the YI value, the better. Therefore, the lower limit value is not particularly limited, but may be, for example, 0.1 or more, or may be 0.5 or more.
- the YI value of a 5 mm thick plate obtained by injection molding the polycarbonate resin composition of the present invention under the conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 53 seconds is preferably 6. 0.0 or less, more preferably 5.5 or less, still more preferably 5.0 or less, and even more preferably 4.5 or less. From the viewpoint of further suppressing yellowness, the lower the YI value, the better. Therefore, the lower limit value is not particularly limited, but may be, for example, 0.1 or more, or may be 0.5 or more.
- the haze of the three-stage plate 3 mm thick portion obtained by injection molding the polycarbonate resin composition of the present invention under the conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 31 seconds is the resulting molding.
- it is preferably 3.0% or less, more preferably 2.0% or less, still more preferably 1.5% or less, and even more preferably 1.2% or less.
- the lower limit is not particularly limited, but may be, for example, 0.01% or more, or 0.10% or more.
- the haze of a 5 mm thick plate obtained by injection molding the polycarbonate resin composition of the present invention under the conditions of a cylinder temperature of 280 ° C., a mold temperature of 80 ° C., and a cycle time of 53 seconds is the haze of the resulting molded product.
- it is preferably 4.0% or less, more preferably 3.0% or less, still more preferably 2.0% or less, and even more preferably 1.5% or less.
- the lower the haze the better. Therefore, the lower limit is not particularly limited, but may be, for example, 0.01% or more, or 0.10% or more.
- the haze can be measured according to JIS K7375:2008.
- the polycarbonate resin composition of the present invention is injection molded under conditions of a cylinder temperature of 280°C, a mold temperature of 80°C, and a cycle time of 18 seconds. It is preferable that the flame retardancy of the 5 mm thick plate is V-0 according to the UL94 standard. That is, the polycarbonate-based resin composition of the present invention can achieve extremely high thin-wall flame retardancy.
- the polycarbonate-based resin composition of the present invention can be obtained by blending, mixing, and kneading the components described above.
- the method of mixing or kneading is not particularly limited, and for example, a method using a ribbon blender, Henschel mixer, Banbury mixer, drum tumbler, single screw extruder, twin screw extruder, co-kneader, multi-screw extruder, etc. is mentioned.
- the heating temperature during kneading is usually selected in the range of 240 to 330°C, preferably 250 to 320°C.
- the polycarbonate-based resin (A) is blended so that the branching ratio is 0.30 mol % or more and 3.0 mol % or less.
- the branched polycarbonate-based resin (A-1) and the aromatic polycarbonate-based resin (A-2) other than the branched polycarbonate-based resin (A-1) have a thin flame-retardant branching rate of the polycarbonate-based resin (A). From the viewpoint of further improving the property, it is preferably 0.35 mol% or more, more preferably 0.40 mol% or more, still more preferably 0.43 mol% or more, still more preferably 0.45 mol% or more.
- the viewpoint of obtaining excellent thin flame retardancy, light transmittance, mechanical properties, moldability, and fluidity it is preferably 2.5 mol% or less, more preferably 2.0 mol% or less, and still more preferably 1.5 mol%. It can be blended so as to be mol % or less, more preferably 1.0 mol % or less.
- Components other than the polycarbonate-based resin (A) may be previously melt-kneaded with the polycarbonate-based resin or other thermoplastic resin, that is, added as a masterbatch.
- the polycarbonate-based resin composition of the present invention is suitably used to form a molded article. That is, the polycarbonate-based resin composition of the present invention is preferably for molded articles, more preferably for light-transmitting molded articles, and even more preferably for transparent molded articles.
- the molded article of the present invention is made of the polycarbonate-based resin composition of the present invention. That is, the molded article of the present invention can be obtained by molding the polycarbonate-based resin composition of the present invention.
- various conventionally known molding methods can be used, for example, injection molding method, injection compression molding method, extrusion molding method, profile extrusion molding method, blow molding method, press molding method, vacuum molding method and foaming method. A molding method and the like can be mentioned.
- Components other than the polycarbonate-based resin (A) may be previously melt-kneaded with the polycarbonate-based resin (A) or other thermoplastic resin, that is, added as a masterbatch. It is preferable to pelletize the polycarbonate resin composition and use the pellets for molding, and general molding methods such as injection molding, injection compression molding, or extrusion molding, gas assist molding, profile extrusion molding, etc. A special molding method such as a method can be used, and various molded products can be manufactured. When the molded article of the present invention is used as an appearance member, it is preferable to use a molding technique that improves the appearance, such as heat cycle molding, high-temperature molds, and heat-insulating molds.
- the molded article of the present invention is excellent in flame retardancy, light transmittance, color tone, etc., it can be suitably used as various lighting covers, resin lighting device covers such as display covers, lenses, and the like. Moreover, the molded article of the present invention is preferably a light-transmitting molded article, more preferably for a transparent molded article.
- Production of branched polycarbonate resin Production example 1 (production of branched PC1: THPE 0.90 mol%) (Polycarbonate oligomer (i) synthesis step) 2000 ppm by mass of sodium dithionite is added to a 5.6 wt% sodium hydroxide aqueous solution with respect to BPA (bisphenol A) to be dissolved later, and BPA is dissolved so that the BPA concentration becomes 13.5 wt%. to prepare an aqueous sodium hydroxide solution of BPA.
- BPA bisphenol A
- THPE 1,1,1-tris(4-hydroxyphenylethane)
- THPE concentration was 11.3 wt %
- an aqueous sodium hydroxide solution of THPE is prepared.
- a tube with an inner diameter of 6 mm and a length of 30 m was added at a flow rate of 42 L/hr of the above BPA sodium hydroxide aqueous solution, 0.87 L/hr of the THPE sodium hydroxide aqueous solution, and 15 L/hr of methylene chloride at a flow rate of 4.0 kg/hr of phosgene.
- the tubular reactor had a jacket portion, and cooling water was passed through the jacket to keep the temperature of the reaction solution at 40°C or less.
- the reaction liquid discharged from the tubular reactor was continuously introduced into a baffled tank reactor having an internal volume of 40 L and equipped with swept-back blades, where 2.8 L/hr of an aqueous sodium hydroxide solution of BPA and 25 wt% water were added.
- the methylene chloride solution of the obtained polycarbonate was washed with 15% by volume of 0.03 mol/L sodium hydroxide aqueous solution and 0.2N hydrochloric acid in order with respect to the solution, and then the electrical conductivity in the aqueous phase after washing was measured. Washing with pure water was repeated until the concentration became 0.01 ⁇ S/m or less.
- the methylene chloride solution of the polycarbonate resin obtained by washing was concentrated and pulverized, and the flakes were dried at 120° C. under reduced pressure.
- the resulting branched PC1 had a branching ratio of 0.90 mol % as determined by 1 H-NMR, and a viscosity-average molecular weight Mv of 22,800 measured according to ISO 1628-4 (1999).
- Branching Ratio of Polycarbonate Resin The branching ratio of the polycarbonate resin (A) was determined by 1 H-NMR measurement. It was obtained as the number of moles of the structural unit derived from the branching agent/the total number of moles of (the structural unit derived from the dihydric phenol + the structural unit derived from the branching agent + the terminal unit) x 100 (expressed in mol%).
- Viscosity average molecular weight of polycarbonate resin (A) The viscosity average molecular weight Mv of the polycarbonate resin (A) is the intrinsic viscosity of a methylene chloride solution (concentration unit: g / L) at 20 ° C. with an Ubbelohde viscosity tube. [ ⁇ ] was measured and calculated by the following Schnell equation. Tables 1 to 5 show the actual value calculated from the measured intrinsic viscosity rounded to the nearest multiple of 1000 as the viscosity average molecular weight Mv.
- PC polycarbonate
- A-1 polycarbonate (PC) resin (A-1) branched polycarbonate resin (branched PC) ⁇ Branch PC1: Production Example 1 (A-2): Aromatic polycarbonate resin
- B′ Flame retardant other than perfluoroalkylsulfonimide (B) represented by formula (1)/flame retardant 1: KFBS [Mitsubishi Materials Electronics Chemical Co., Ltd., potassium nonafluorobutanesulfonate] ⁇ Flame retardant 2: KSS [manufactured by Metropolitan Eximchem Pvt.
- Flame retardant 3 EF-N442 [manufactured by Mitsubishi Materials Electronic Chemicals Co., Ltd., potassium N,N-bis (nonafluorobutanesulfonyl) imide] ⁇ Flame retardant 4: EF-N444 [manufactured by Mitsubishi Materials Electronic Chemicals Co., Ltd., ammonium bis (nonafluorobutanesulfonyl) imide] - Flame retardant 5: P12N111 [manufactured by Mitsubishi Materials Corporation, 1-ethyl-1-methylpyrrolidinium bis (trifluoromethanesulfonyl) imide] ⁇ Flame retardant 6: TEATFSI [manufactured by Mitsubishi Materials Corporation, tetraethylammonium bis (trifluoromethanesulfonyl) imide] ⁇ Flame retardant 7: MTOATFSI [manufactured by Mitsubishi Materials Corporation
- Antioxidant/Antioxidant 1 Irgafos168 [manufactured by BASF Japan Ltd., tris (2,4-di-tert-butylphenyl) phosphite, abbreviated as Irg168 in the table]
- Antioxidant 2 Irganox 1076 [(manufactured by BASF Japan Ltd., octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate, abbreviated as Irg1076 in the table)]
- Antioxidant 3 Doverphos S-9228PC [manufactured by Dover Chemical, bis (2,4-dicumylphenyl) pentaerythritol diphosphite, abbreviated as Doverphos in the table]
- Release agent/Release agent 1 EW-440A [Pentaerythritol tetrastearate manufactured by Riken Vitamin Co., Ltd.]
- Release agent 2 S-100A [Glycerin monostearate manufactured by Riken Vitamin Co., Ltd.]
- Examples and Comparative Examples (4.1) Examples 1 to 17 and Comparative Examples 1 to 16 (1) Preparation of pellets for evaluation Each component is mixed in the proportions shown in Tables 1 to 4, supplied to a vented twin-screw extruder [manufactured by Toshiba Machine Co., Ltd.: TEM-35], and the barrel temperature is 270 to 280. °C, a screw rotation speed of 250 rpm, and a discharge rate of 25 kg/hr to obtain pellet samples for evaluation.
- the unit of the compounding amount of each component shown in Tables 1 to 4 is parts by mass.
- an injection molding machine [manufactured by Toshiba Machine Co., Ltd., EC75PNII] was used to set the cylinder temperature to 280 ° C. and the mold temperature to Injection molding was performed at 80° C. and a cycle time of 18 seconds to prepare a plate-shaped test piece having a length of 125 mm, a width of 13 mm, and a thickness of 1.5 mm. (Three-stage plate for total light transmittance, haze and YI value measurement) After drying the evaluation pellets obtained in each example and comparative example at 120 ° C.
- an injection molding machine [manufactured by Niigata Machine Techno Co., Ltd., MD50X] was used to set the cylinder temperature to 280 ° C. and the mold temperature to is 80 ° C. and the cycle time is 31 seconds. 50 mm) was produced. (5mm thick plate for measuring total light transmittance, haze and YI value) After drying the evaluation pellets obtained in each example and comparative example at 120 ° C. for 5 hours, an injection molding machine [ES1000 manufactured by Nissei Plastic Industry Co., Ltd.] was used to set the cylinder temperature to 280 ° C. and the mold temperature to A 5 mm thick plate of 90 mm x 50 mm was produced by injection molding at a temperature of 80°C and a cycle time of 53 seconds.
- the total light transmittance of the 3 mm thick portion and the 5 mm thick plate of the three-stage plate produced above was measured.
- the total light transmittance was measured using a testing machine NDH 5000 manufactured by Nippon Denshoku Industries Co., Ltd. in accordance with JIS K7375:2008.
- YI value YI values were measured for the 3-mm thick portion and the 5-mm thick plate of the three-stage plate prepared above, using a testing machine SE2000 manufactured by Nippon Denshoku Industries Co., Ltd. under the conditions of a C light source and a 2-degree field of view.
- the molded articles formed from the polycarbonate resin compositions of Examples have low YI values and haze, and are suppressed in yellowness and cloudiness. Furthermore, the molded articles of the examples had a flame retardancy of V-0 according to the UL94 standard even under the condition of a thin wall thickness of 1.5 mm or 1.2 mm, indicating that the thin wall flame retardancy is good. From the above, it can be understood that, according to the polycarbonate resin composition of the present invention, it is possible to obtain a thin molded product with improved flame retardancy and light transmittance while suppressing yellowness and cloudiness.
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Abstract
Description
このような成形品用の難燃性ポリカーボネート系樹脂組成物に関する技術としては、例えば、特許文献1~3に記載のものが挙げられる。
ポリカーボネート系樹脂(A)と、下記式(1)で示されるパーフルオロアルキルスルホンイミド(B)と、を含み、
(分岐剤由来の構造単位のモル数)/(二価フェノール由来の構造単位のモル数+分岐剤由来の構造単位のモル数+末端単位のモル数)×100により算出される、前記ポリカーボネート系樹脂(A)の分岐率が0.30モル%以上3.0モル%以下であり、
前記パーフルオロアルキルスルホンイミド(B)の含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.05質量部以上2.0質量部以下である、ポリカーボネート系樹脂組成物。
〔2〕
前記ポリカーボネート系樹脂(A)が、分岐状ポリカーボネート系樹脂(A-1)と、前記分岐状ポリカーボネート系樹脂(A-1)以外の芳香族ポリカーボネート系樹脂(A-2)とを含む、上記〔1〕に記載のポリカーボネート系樹脂組成物。
〔3〕
前記分岐状ポリカーボネート系樹脂(A-1)は、下記式(I)で表される繰り返し単位及び下記式(II)で表される分岐構造を有する、上記〔2〕に記載のポリカーボネート系樹脂組成物。
〔4〕
前記ポリカーボネート系樹脂(A)の粘度平均分子量が10,000以上50,000以下である、上記〔1〕~〔3〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔5〕
酸化防止剤(C)を更に含み、
前記酸化防止剤(C)の含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.03質量部以上0.50質量部以下である、上記〔1〕~〔4〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔6〕
前記酸化防止剤(C)が、リン系酸化防止剤及びフェノール系酸化防止剤から選択される少なくとも一種を含む、上記〔5〕に記載のポリカーボネート系樹脂組成物。
〔7〕
離型剤(D)を更に含み、
前記離型剤(D)の含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.01質量部以上5.0質量部以下である、上記〔1〕~〔6〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔8〕
シリコーン化合物(E)を更に含み、
前記シリコーン化合物(E)の含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.01質量部以上5.0質量部以下である、上記〔1〕~〔7〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔9〕
パーフルオロアルカンスルホン酸金属塩及び芳香族含有スルホン酸金属塩の合計含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.05質量部未満である、上記〔1〕~〔8〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔10〕
前記ポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られる5mm厚プレートの全光線透過率が80%以上である、上記〔1〕~〔9〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔11〕
前記ポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られる5mm厚プレートのヘイズが4.0%以下である、上記〔1〕~〔10〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔12〕
前記ポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が18秒の条件で射出成形して得られる1.5mm厚プレートの、UL94規格における難燃性がV-0である、上記〔1〕~〔11〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔13〕
前記ポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られる5mm厚プレートのYI値が6.0以下である、上記〔1〕~〔12〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔14〕
光透過性成形品用である、上記〔1〕~〔13〕のいずれかに記載のポリカーボネート系樹脂組成物。
〔15〕
上記〔1〕~〔14〕のいずれかに記載のポリカーボネート系樹脂組成物からなる成形品。
本発明のポリカーボネート系樹脂組成物は、ポリカーボネート系樹脂(A)と、下記式(1)で示されるパーフルオロアルキルスルホンイミド(B)と、を含む。そして、(分岐剤由来の構造単位のモル数)/(二価フェノール由来の構造単位のモル数+分岐剤由来の構造単位のモル数+末端単位のモル数)×100により算出される、ポリカーボネート系樹脂(A)の分岐率が0.30モル%以上3.0モル%以下であり、パーフルオロアルキルスルホンイミド(B)の含有量が、ポリカーボネート系樹脂(A)100質量部に対して、0.05質量部以上2.0質量部以下である。
本発明のポリカーボネート系樹脂組成物によれば、黄色味や白濁が抑制されるともに薄肉難燃性及び光透過性が向上した成形品を得ることができる。
以下、本発明のポリカーボネート系樹脂組成物及びその成形品について詳細に説明する。本明細書において、好ましいとされている規定は任意に採用することができ、好ましいもの同士の組み合わせはより好ましいといえる。本明細書において、「XX~YY」の記載は、「XX以上YY以下」を意味する。
本発明のポリカーボネート系樹脂組成物は、分岐率が0.30モル%以上3.0モル%以下であるポリカーボネート系樹脂(A)を含む。
このような分岐率を有するポリカーボネート系樹脂(A)は、好ましくは分岐状ポリカーボネート系樹脂(A-1)を含み、より好ましくは分岐状ポリカーボネート系樹脂(A-1)と分岐状ポリカーボネート系樹脂(A-1)以外の芳香族ポリカーボネート系樹脂(A-2)とを含む。
分岐状ポリカーボネート系樹脂(A-1)は、分岐構造を有するポリカーボネート系樹脂であれば特に限定されないが、例えば、下記式(I)で表される繰り返し単位及び下記式(II)で表される分岐構造を有するものを挙げることができる。
R1及びR2がそれぞれ独立して示すアルキル基としては、メチル基、エチル基、n-プロピル基、イソプロピル基、各種ブチル基(「各種」とは、直鎖状及びあらゆる分岐鎖状のものを含むことを示す。以下、明細書中同様である。)、各種ペンチル基、及び各種ヘキシル基が挙げられる。R1及びR2がそれぞれ独立して示すアルコキシ基としては、アルキル基部位として前記アルキル基を有するものが挙げられる。
上記式(II)中、Rが示す炭素数1~5のアルキル基としては、例えばメチル基、エチル基、n-プロピル基、n-ブチル基若しくはn-ペンチル基等を挙げることができる。R11~R16が示す炭素数1~5のアルキル基としては、例えばメチル基、エチル基、n-プロピル基、n-ブチル基、n-ペンチル基等を挙げることができる。ハロゲン原子としては、例えば塩素原子、臭素原子、フッ素原子等を挙げることができる。
上記式(II)中PCが示すポリカーボネート部分は、上述した式(I)で表される繰り返し単位を有する。一例を示すと、PCが示すポリカーボネート部分は、下記の式(III)で表されるビスフェノールA由来の繰り返し単位を有する。
Tが示す末端基(末端単位ともいう)は、末端停止剤に由来する。
分岐状ポリカーボネート系樹脂(A-1)を得る際に使用される分岐剤や原料二価フェノールに関しては後述する。
ポリカーボネート系樹脂の製造時に、分岐状ポリカーボネート系樹脂(A-1)の原料である二価フェノール化合物、分岐剤及び必要に応じて添加した末端停止剤の総モル数に対して、後述する分岐剤を0.30モル%以上3.0モル%以下加えることにより、上記範囲の分岐率を有する分岐状ポリカーボネート系樹脂を得ることができる。
芳香族ポリカーボネート系樹脂(A-2)は、上記分岐状ポリカーボネート系樹脂(A-1)以外の非分岐状ポリカーボネート系樹脂であり、好ましくは下記式(IV)で表される繰り返し単位を有する。
式(IV)中、R21及びR22はそれぞれ独立に、ハロゲン原子、炭素数1~18のアルキル基、炭素数1~18のアルコキシ基、炭素原子数6~20のシクロアルキル基、炭素原子数6~20のシクロアルコキシ基、炭素原子数2~10のアルケニル基、炭素原子数6~14のアリール基、炭素原子数6~14のアリールオキシ基、炭素原子数7~20のアラルキル基、炭素原子数7~20のアラルキルオキシ基、ニトロ基、アルデヒド基、シアノ基、及びカルボキシル基からなる群から選ばれる基を示し、X’は単結合、炭素数1~8のアルキレン基、炭素数2~8のアルキリデン基、炭素数5~15のシクロアルキレン基、炭素数5~15のシクロアルキリデン基、炭素原子数7~20のアラルキル基、-S-、-SO-、-SO2-、-O-又は-CO-を示し、t及びuは、それぞれ独立に0~4の整数を示す。
芳香族ポリカーボネート系樹脂(A-2)としては、上記式(IV)中のt及びuが0であり、X’がイソプロピリデン基である繰り返し単位を好ましくは90質量%以上、より好ましくは90.9質量%以上、更に好ましくは93.3質量%以上、更に好ましくは95質量%以上、更に好ましくは100質量%含む樹脂が好ましい。
粘度平均分子量(Mv)は、分岐状ポリカーボネート系樹脂(A-1)と同様に、Schnellの式にて算出した。
本発明のポリカーボネート系樹脂(A)は、例えば、分岐状ポリカーボネート系樹脂(A-1)と、分岐状ポリカーボネート系樹脂(A-1)以外の芳香族ポリカーボネート系樹脂(A-2)とを含む場合、分岐状ポリカーボネート系樹脂(A-1)の含有量は、好ましくは40質量%以上、より好ましくは45質量%以上、更に好ましくは50質量%以上であり、100質量%であってもよい。芳香族ポリカーボネート系樹脂(A-2)の含有量は、上記分岐状ポリカーボネート系樹脂(A-1)の残部である。
ポリカーボネート系樹脂(A)の分岐率は、分岐状ポリカーボネート系樹脂(A-1)及び芳香族ポリカーボネート系樹脂(A-2)の製造に用いた二価フェノール由来の構造単位、分岐剤由来の構造単位及び末端単位の総モル数に対する分岐剤由来の構造単位のモル数(分岐剤由来の構造単位のモル数/(二価フェノール由来の構造単位+分岐剤由来の構造単位+末端単位)の総モル数×100(mol%で表す))を意味する。分岐率は1H-NMR測定により実測することができる。
ポリカーボネート系樹脂(A)として、2種以上の樹脂を使用する場合には、2種以上の樹脂の混合物の分岐率をポリカーボネート系樹脂(A)の分岐率とする。
ポリカーボネート系樹脂(A)として、2種以上の樹脂を使用する場合には、2種以上の樹脂の混合物の粘度平均分子量をポリカーボネート系樹脂(A)の粘度平均分子量とする。
ポリカーボネート系樹脂(A)は特に限定されず、公知の方法により製造することができる。
ポリカーボネート系樹脂(A)の製造方法としては、例えば、原料として二価フェノールとカーボネート前駆体を用いて溶液法(界面重縮合法)又は溶融法(エステル交換法)により製造する方法が挙げられる。すなわち、ポリカーボネート系樹脂(A)は、必要に応じて添加した末端停止剤の存在下に、二価フェノールとホスゲン等のカーボネート前駆体を反応させる界面重縮合法、又は二価フェノールとジフェニルカーボネート等のカーボネート前駆体とのエステル交換法等により製造することができる。
以下、二価フェノールとホスゲンを反応させる界面重縮合法のうち、二段階法の一例について、具体的に説明する。
本工程においては、有機溶媒中、二価フェノールとホスゲンとを反応させて、クロロホーメート基を有するポリカーボネートオリゴマーを製造する。
二価フェノールとしては、分岐状ポリカーボネート系樹脂(A-1)の場合は、下記式(i)で表される化合物を、芳香族ポリカーボネート系樹脂(A-2)の場合は、下記式(ii)であらわされる化合物を用いることが好ましい。
これらの中でも、ビス(ヒドロキシフェニル)アルカン系二価フェノールが好ましく、ビスフェノールAがより好ましい。二価フェノールとしてビスフェノールAを用いた場合、上記式(i)において、Xがイソプロピリデン基であり、かつa=b=0の分岐状ポリカーボネート系樹脂(A-1)、上記式(ii)においてX’がイソプロピリデン基であり、かつt=u=0の芳香族ポリカーボネート系樹脂(A-2)が得られる。
工程(2)においては、工程(1)で得られたポリカーボネートオリゴマー、及び必要に応じて二価フェノールと所望により用いられる末端停止剤とを反応させてポリカーボネート系樹脂を製造する。ポリカーボネートオリゴマーと二価フェノールとを重縮合反応させて、分子量を目的の分子量範囲に調整する。得られるポリカーボネート系樹脂の粘度平均分子量が上述した範囲内となるまで、重縮合反応を行う。
具体的には、工程(1)で分離されたポリカーボネートオリゴマーを含む有機溶媒相と、所望により用いられる末端停止剤と、所望により用いられる重合触媒と、有機溶媒と、アルカリ水溶液と、二価フェノールのアルカリ水溶液とを混合し、通常0~50℃、好ましくは20~40℃の範囲の温度において界面重縮合させる。
工程(2)で使用される反応器は、反応器の処理能力次第では1基の反応器のみで反応を完結することができるが、必要に応じて、後続する2基目の反応器、さらには3基目の反応器等の複数の反応器を使用することができる。これらの反応器としては、撹拌槽、多段塔型撹拌槽、無撹拌槽、スタティックミキサー、ラインミキサー、オリフィスミキサー、及び/又は配管等を用いることができる。
任意の分岐剤を加えることにより、分岐状ポリカーボネート系樹脂(A-1)を製造することができる。分岐剤を加えないことにより、芳香族ポリカーボネート系樹脂(A-2)を製造することができる。分岐剤は上記工程(1)及び/又は(2)のいずれにも加えることができる。工程(1)で加える際は、二価フェノール及びホスゲンと共に加えて反応させる。使用する分岐剤により相違するが、後述する式(iii)で表わされる分岐剤は、アルカリ水溶液に溶解させることができるので、アルカリ水溶液に溶解させて導入することが望ましい。また、アルカリ水溶液に溶解させることが困難な分岐剤は、塩化メチレン等の有機溶媒に溶解させて導入することが望ましい。
Rが示す炭素数1~5のアルキル基とは、例えばメチル基、エチル基、n-プロピル基、n-ブチル基若しくはn-ペンチル基等である。R11~R16が示す炭素数1~5のアルキル基としては、例えばメチル基、エチル基、n-プロピル基、n-ブチル基、n-ペンチル基等を挙げることができ、ハロゲン原子としては、例えば塩素原子、臭素原子、フッ素原子等を挙げることができる。
上記式(iii)で表される分岐剤を用いることで、上記式(II)で表される分岐構造を有するポリカーボネート系樹脂を製造することができる。上記製造方法により得られるポリカーボネート系樹脂は、上記式(iii)で表される分岐剤に由来する構造単位を1つ有する分岐状ポリカーボネート系樹脂を少なくとも含み、上記式(iii)で表される分岐剤に由来する構造単位を2つ以上有する分岐状ポリカーボネート系樹脂をも含むことができる。このような分岐剤に由来する構造単位を2つ以上有する分岐状ポリカーボネート系樹脂を含む場合も分岐状ポリカーボネート系樹脂(A-1)であり、その分岐率は1H-NMR測定により実測することができる。
重合触媒は、上記工程(1)及び工程(2)のいずれにおいても用いることができ、例えばアミン系触媒を用いることができる。
アミン系触媒としては第三級アミン若しくはその塩、又は第四級アンモニウム塩を用いることができる。第三級アミンとしては、例えばトリエチルアミン、トリブチルアミン、N,N-ジメチルシクロヘキシルアミン、ピリジン、ジメチルアニリン等が挙げられ、また三級アミン塩としては、これらの三級アミンの塩酸塩、臭素酸塩等が挙げられる。第四級アンモニウム塩としては、例えばトリメチルベンジルアンモニウムクロリド、トリエチルベンジルアンモニウムクロリド、トリブチルベンジルアンモニウムクロリド、トリオクチルメチルアンモニウムクロリド、テトラブチルアンモニウムクロリド、テトラブチルアンモニウムブロミド等を挙げることができる。アミン系触媒としては、第三級アミンが好ましく、特にトリエチルアミンが好適である。これらの触媒は、液体状態ものであればそのまま、又は有機溶媒や水に溶解させて導入することができる。また固体状態ものは、有機溶媒や水に溶解させて導入することができる。
本発明のポリカーボネート系樹脂組成物は、下記式(1)で示されるパーフルオロアルキルスルホンイミド(B)(以下、「パーフルオロアルキルスルホンイミド(B)」ともいう。)を、ポリカーボネート系樹脂(A)100質量部に対して、0.05質量部以上2.0質量部以下含む。前記パーフルオロアルキルスルホンイミド(B)としては、1種のみを単独で用いてもよいし、2種以上を併用してもよい。
R31は、薄肉難燃性をより向上させる観点から、好ましくは炭素数1又は2のパーフルオロアルキル基、より好ましくは炭素数1のパーフルオロアルキル基であり、R32は、好ましくは炭素数1~3のパーフルオロアルキル基、より好ましくは炭素数1又は2のパーフルオロアルキル基、更に好ましくは炭素数1のパーフルオロアルキル基である。
炭素数1のパーフルオロアルキル基はパーフルオロメチル基(-CF3基)、炭素数2のパーフルオロアルキル基はパーフルオロエチル基(-CF2CF3基)、炭素数3のパーフルオロアルキル基はパーフルオロブチル基(-CF2CF2CF3基)である。
M+は、薄肉難燃性を向上させ黄色味を抑制する観点から、リチウムイオン、ナトリウムイオン、及びカリウムイオンからなる群から選択される少なくとも一種であり、好ましくはリチウムイオン及びカリウムイオンからなる群から選択される少なくとも一種であり、より好ましくはカリウムイオンである。
これらの化合物は市販品として入手可能であり、例えば三菱マテリアル電子化成(株)製のEF-Nシリーズを使用することができる。
本発明のポリカーボネート系樹脂組成物におけるパーフルオロアルキルスルホンイミド(B)の含有量は、薄肉難燃性をより向上させる観点から、ポリカーボネート系樹脂(A)100質量部に対して、好ましくは0.06質量部以上、薄肉難燃性をより一層向上させる観点から、より好ましくは0.07質量部以上、更に好ましくは0.09質量部以上、更に好ましくは0.13質量部以上、更に好ましくは0.18質量部以上であり、良好な光透過性、色調、機械的特性を得る観点から、好ましくは1.8質量部以下、より好ましくは1.5質量部以下、更に好ましくは1.2質量部以下である。複数種のパーフルオロアルキルスルホンイミド(B)を含む場合は、合計量が上記範囲となる。
本発明のポリカーボネート系樹脂組成物は、黄色味や白濁をより抑制する観点、及び、薄肉難燃性及び光透過性をより向上させる観点から、酸化防止剤(C)を更に含むことが好ましい。酸化防止剤(C)としては公知のものを用いることができ、好ましくはリン系酸化防止剤及びフェノール系酸化防止剤から選択される少なくとも一種を用いることができる。
本発明のポリカーボネート系樹脂組成物は、離型性を向上させる観点から、離型剤(D)を更に含むことが好ましい。離型剤(D)としてはポリカーボネート系樹脂に配合して成形時の離型性を改善できるものであれば特に限定されないが、例えば、蜜蝋、グリセリンモノステアレート、グリセリントリステアレート、ペンタエリスリトールモノステアレート、ペンタエリスリトールトリステアレート、ペンタエリスリトールテトラステアレート、モンタン酸エステルワックス、カルボン酸エステル等を用いることができる。
本発明のポリカーボネート系樹脂組成物は、シリコーン化合物(E)を更に含むことが好ましい。シリコーン化合物(E)は、本発明のポリカーボネート系樹脂組成物をペレット化する際、潤滑剤的に作用し黄変を抑制する効果や、難燃性を向上させる効果、成形する際にシルバーストリークの発生等の外観不良を防止する効果を有する。
ポリカーボネート系樹脂組成物を光学用途で用いる場合は、ポリカーボネート系樹脂との屈折率差を少なくすることが好ましく、シリコーン化合物(E)の屈折率が好ましくは1.45~1.65、より好ましくは1.48~1.60である。
シリコーン化合物(E)としては、ケイ素原子に炭素数が1~12の炭化水素基が結合したシリコーン化合物を用いることができる。
シリコーン化合物(E)としては、官能基を有さないシリコーン化合物(e1)及び官能基を有するシリコーン化合物(e2)のいずれをも使用することができる。
官能基を有さないシリコーン化合物(e1)は、(RS2)rSiO(4-r)/2〔式中、RS2はそれぞれ独立に炭素数1~12の炭化水素基を示す。また、rは、0<r≦3を満足する整数である。〕で表される構造単位からなる重合体又は共重合体である。RS2が示す炭化水素基としては、メチル基、エチル基、フェニル基等が挙げられる。
官能基を有さないシリコーン化合物(e1)の具体的な化合物としては、例えば、ポリジメチルシロキサン、ポリメチルエチルシロキサン、ポリメチルフェニルシロキサン、ポリジメチルジフェニルシロキサン等が挙げられ、中でもポリカーボネートとの相溶性及び屈折率の調整による透明性の維持、成形品の難燃性向上をできる観点から、ポリメチルフェニルシロキサン、ポリジメチルジフェニルシロキサン等のフェニル基を含有するポリシロキサンを用いることが好ましい。
官能基を有するシリコーン化合物(e2)は、(RS1)p(RS2)qSiO(4-p-q)/2〔式中、RS1はそれぞれ独立に官能基を示し、RS2はそれぞれ独立に炭素数1~12の炭化水素基を示す。また、p、qは、それぞれ0<p≦3、0≦q<3、0<p+q≦3を満足する整数である。〕で表される構造単位からなる重合体又は共重合体である。RS1が示す官能基としては、アルコキシ基、アリールオキシ基、ポリオキシアルキレン基、水素基、水酸基、カルボキシル基、シラノール基、アミノ基、メルカプト基、エポキシ基、ビニル基等が挙げられるが、これらの中ではアルコキシ基、水素基、水酸基、エポキシ基、ビニル基が好ましく、メトキシ基、ビニル基がより好ましい。RS2が示す炭化水素基としては、メチル基、エチル基、フェニル基等が挙げられる。
シリコーン化合物(E)が官能基を有さないシリコーン化合物(e1)である場合、その含有量は、薄肉難燃性と、良好な光透過性及び色調とを両立させる観点から、ポリカーボネート系樹脂(A)100質量部に対して、好ましくは0.10質量部以上2.0質量部以下、より好ましくは0.30質量部以上1.2質量部以下、更に好ましくは0.60質量部以上1.2質量部以下である。シリコーン化合物(E)が官能基を有するシリコーン化合物(e2)である場合、その含有量は、好ましくは0.05質量部以上1.0質量部以下、より好ましくは0.10質量部以上0.50質量部以下である。
シリコーン化合物(E)を複数種用いる場合は合計量が上記範囲となる。
本発明のポリカーボネート系樹脂組成物には、上述の成分(A)~(E)の他に、得られる成形品の色調や薄肉難燃性、光透過性等に悪影響を与えない範囲で、各種の添加剤を含有させることができる。これらの添加剤として、例えば、パーフルオロアルキルスルホンイミド(B)以外の難燃剤、ポリエーテル、ポリテトラフルオロエチレン、脂環式エポキシ化合物、紫外線吸収剤、拡散剤等を挙げることができる。
本発明のポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が31秒の条件で射出成形して得られる3段プレート3mm厚部位の全光線透過率は、光透過性をより向上させる観点から、好ましくは80%以上、より好ましくは85%以上、更に好ましくは87%以上、更に好ましくは88%以上である。光透過性の観点から、前記全光線透過率は高ければ高いほど好ましいため、上限は特に限定されないが、例えば100%以下であり、95%以下であってもよく、92%以下であってもよい。
また、本発明のポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られ5mm厚プレートの全光線透過率においても、好ましくは80%以上、より好ましくは85%以上、更に好ましくは87%以上、更に好ましくは88%以上である。
光透過性の観点から、前記全光線透過率は高ければ高いほど好ましいため、上限は特に限定されないが、例えば100%以下であり、95%以下であってもよく、92%以下であってもよい。
前記全光線透過率はJIS K7375:2008に準拠して測定することができる。
本発明のポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が31秒の条件で射出成形して得られる3段プレート3mm厚部位のYI値は、得られる成形品の黄色味をより抑制する観点から、好ましくは3.5以下、より好ましくは3.0以下、更に好ましくは2.5以下である。黄色味をより抑制する観点から、前記YI値は低ければ低いほど好ましいため、下限値は特に限定されないが、例えば、0.1以上であり、0.5以上であってもよい。
また、本発明のポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られる5mm厚プレートのYI値は、好ましくは6.0以下、より好ましくは5.5以下、更に好ましくは5.0以下、更に好ましくは4.5以下である。黄色味をより抑制する観点から、前記YI値は低ければ低いほど好ましいため、下限値は特に限定されないが、例えば、0.1以上であり、0.5以上であってもよい。
本発明のポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が31秒の条件で射出成形して得られる3段プレート3mm厚部位のヘイズは、得られる成形品の白濁をより抑制する観点から、好ましくは3.0%以下、より好ましくは2.0%以下、更に好ましくは1.5%以下、更に好ましくは1.2%以下である。白濁をより抑制する観点から、前記ヘイズは低ければ低いほど好ましいため、下限値は特に限定されないが、例えば、0.01%以上であり、0.10%以上であってもよい。
また、本発明のポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られる5mm厚プレートのヘイズは、得られる成形品の白濁をより抑制する観点から、好ましくは4.0%以下、より好ましくは3.0%以下、更に好ましくは2.0%以下、更に好ましくは1.5%以下である。白濁をより抑制する観点から、前記ヘイズは低ければ低いほど好ましいため、下限値は特に限定されないが、例えば、0.01%以上であり、0.10%以上であってもよい。
前記ヘイズはJIS K7375:2008に準拠して測定することができる。
薄肉難燃性をより向上させる観点から、本発明のポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が18秒の条件で射出成形して得られる1.5mm厚プレートの、UL94規格における難燃性がV-0であることが好ましい。すなわち、本発明のポリカーボネート系樹脂組成物は、非常に高度な薄肉難燃性を達成することができる。
本発明のポリカーボネート系樹脂組成物は、上記した各成分を配合し、混合、混練することにより得ることができる。
混合又は混練の方法としては、特に制限されず、例えば、リボンブレンダー、ヘンシェルミキサー、バンバリーミキサー、ドラムタンブラー、単軸スクリュー押出機、二軸スクリュー押出機、コニーダ、多軸スクリュー押出機等を用いる方法が挙げられる。また、混練の際の加熱温度は、通常240~330℃、好ましくは250~320℃の範囲で選択される。
このとき、ポリカーボネート系樹脂(A)の分岐率が、0.30モル%以上3.0モル%以下となるように配合することが好ましい。分岐状ポリカーボネート系樹脂(A-1)、及び分岐状ポリカーボネート系樹脂(A-1)以外の芳香族ポリカーボネート系樹脂(A-2)は、ポリカーボネート系樹脂(A)の分岐率が、薄肉難燃性をより向上させる観点から、好ましくは0.35モル%以上、より好ましくは0.40モル%以上、更に好ましくは0.43モル%以上、更に好ましくは0.45モル%以上であり、良好な薄肉難燃性や、光透過性、機械的特性、成形性、流動性を得る観点から、好ましくは2.5モル%以下、更に好ましくは2.0モル%以下、更に好ましくは1.5モル%以下、更に好ましくは1.0モル%以下となるように配合することができる。
ポリカーボネート系樹脂(A)以外の含有成分は、あらかじめ、ポリカーボネート系樹脂又は他の熱可塑性樹脂と溶融混練、即ち、マスターバッチとして添加することもできる。
本発明のポリカーボネート系樹脂組成物は、成形品を形成するために好適に用いられる。すなわち、本発明のポリカーボネート系樹脂組成物は成形品用であることが好ましく、光透過性成形品用であることがより好ましく、透明成形品用であることが更に好ましい。
本発明の成形品は、本発明のポリカーボネート系樹脂組成物からなる。
すなわち、本発明の成形品は、本発明のポリカーボネート系樹脂組成物を成形することにより得ることができる。
成形方法としては、従来公知の各種成形方法を用いることができ、例えば、射出成形法、射出圧縮成形法、押出成形法、異形押出成形法、ブロー成形法、プレス成形法、真空成形法及び発泡成形法等が挙げられる。
ポリカーボネート系樹脂組成物をペレット化させ、このペレットを用いて成形することが好ましく、射出成形法、射出圧縮成形法又は押出成形法等の一般的な成形法や、ガスアシスト成形法、異形押出成形法等の特殊成形法を用いることができ、各種成形品を製造することができる。
本発明の成形品を外観部材として使用する場合には、ヒートサイクル成形法、高温金型、断熱金型等の外観を向上させる成形技術を用いることが好ましい。
また、本発明の成形品は、光透過性成形品であることが好ましく、透明成形品用であることがより好ましい。
製造例1(分岐PC1:THPE0.90mol%の製造)
(ポリカーボネートオリゴマー(i)合成工程)
5.6wt%水酸化ナトリウム水溶液に、後から溶解するBPA(ビスフェノールA)に対して2000質量ppmの亜二チオン酸ナトリウムを加え、これにBPA濃度が13.5wt%となるようにBPAを溶解し、BPAの水酸化ナトリウム水溶液を調製した。
5.6wt%水酸化ナトリウム水溶液に、後から溶解するTHPE(1,1,1-トリス(4-ヒドロキシフェニルエタン))に対して2000質量ppmの亜二チオン酸ナトリウムを加え、これにTHPE濃度が11.3wt%となるようにTHPEを溶解し、THPEの水酸化ナトリウム水溶液を調製した。
上記BPAの水酸化ナトリウム水溶液42L/hr、THPEの水酸化ナトリウム水溶液0.87L/hr、塩化メチレン15L/hrの流量で、ホスゲンを4.0kg/hrの流量で、内径6mm、管長30mの管型反応器に連続的に通した。管型反応器はジャケット部分を有しており、ジャケットに冷却水を通して反応液の温度を40℃以下に保った。
管型反応器を出た反応液を、後退翼を備えた内容積40Lのバッフル付き槽型反応器へ連続的に導入し、ここにBPAの水酸化ナトリウム水溶液2.8L/hr、25wt%水酸化ナトリウム水溶液0.07L/hr、水17L/hr、1wt%トリエチルアミン水溶液を0.69L/hr、PTBP(p-tert-ブチルフェノール)の塩化メチレン溶液(濃度4.0wt%)4.6L/hrをさらに添加して反応を行った。
槽型反応器から溢れ出る反応液を連続的に抜き出し、静置することで水相を分離除去し、塩化メチレン相を採取した。
得られたポリカーボネートオリゴマーは濃度330g/L、クロロホーメート基濃度0.72mol/Lであった。
邪魔板、パドル型攪拌翼及び冷却用ジャケットを備えた50L槽型反応器に、先に得られたポリカーボネートオリゴマー溶液15L、塩化メチレン10.2L及びトリエチルアミン2.8mLを仕込み、混合した。
この混合液に、BPAの水酸化ナトリウム水溶液(NaOH:639gと亜二チオン酸ナトリウム:2.3gを水:9.3Lに溶解した水溶液に、BPA:1166gを溶解させたもの)を添加し60分間重合反応を実施した。
希釈のために塩化メチレン10Lを加え10分間攪拌した後、ポリカーボネート樹脂を含む有機相と、過剰のBPA及びNaOHを含む水相とに分離し、有機相を単離した。
得られたポリカーボネートの塩化メチレン溶液を、その溶液に対して順次、15容積%の0.03mol/L水酸化ナトリウム水溶液、0.2N塩酸で洗浄し、次いで洗浄後の水相中の電気伝導度が0.01μS/m以下になるまで純水で洗浄を繰り返した。洗浄により得られたポリカーボネート系樹脂の塩化メチレン溶液を濃縮・粉砕し、このフレークを減圧下120℃で乾燥した。
得られた分岐PC1の1H-NMRにより求めた分岐率は0.90mol%、ISO 1628-4(1999)に準拠して測定した粘度平均分子量Mvは22,800であった。
(1)ポリカーボネート系樹脂(A)の分岐率
ポリカーボネート系樹脂(A)の分岐率を1H-NMR測定により求めた。分岐剤由来の構造単位のモル数/(二価フェノール由来の構造単位+分岐剤由来の構造単位+末端単位)の総モル数×100(mol%で表す)として求めた。
ポリカーボネート系樹脂(A)の粘度平均分子量Mvは、ウベローデ型粘度管にて、20℃における塩化メチレン溶液(濃度単位:g/L)の極限粘度[η]を測定し、以下のSchnellの式により計算した。
表1~5には、測定した極限粘度から計算した実際の値を最も近い1000の倍数に丸めた値を、粘度平均分子量Mvとして示す。
実施例及び比較例において以下の原料を使用した。
(A-1)分岐状ポリカーボネート系樹脂(分岐PC)
・分岐PC1:前記製造例1
(A-2):芳香族ポリカーボネート系樹脂
・PC1:タフロンFN1700[出光興産(株)製、ビスフェノールAから製造されたホモポリカーボネート、粘度平均分子量=17,700]
・PC2:タフロンFN2200[出光興産(株)製、ビスフェノールAから製造されたホモポリカーボネート、粘度平均分子量=21,300]
・PC3:タフロンFN2500[出光興産(株)製、ビスフェノールAから製造されたホモポリカーボネート、粘度平均分子量=23,500]
・PFSI1:EF-N112[三菱マテリアル電子化成(株)製、カリウム ビス(トリフルオロメタンスルホニル)イミド]
・PFSI2:EF-N115[三菱マテリアル電子化成(株)製、リチウム ビス(トリフルオロメタンスルホニル)イミド]
・難燃剤1:KFBS[三菱マテリアル電子化成(株)製、ノナフルオロブタンスルホン酸カリウム]
・難燃剤2:KSS[Metropolitan Eximchem Pvt. Ltd製、ジフェニルスルホン-3-スルホン酸カリウム]
・難燃剤3:EF-N442[三菱マテリアル電子化成(株)製、カリウム N,N-ビス(ノナフルオロブタンスルホニル)イミド]
・難燃剤4:EF-N444[三菱マテリアル電子化成(株)製、アンモニウム ビス(ノナフルオロブタンスルホニル)イミド]
・難燃剤5:P12N111[三菱マテリアル(株)製、1-エチル-1-メチルピロリジニウム ビス(トリフルオロメタンスルホニル)イミド]
・難燃剤6:TEATFSI[三菱マテリアル(株)製、テトラエチルアンモニウム ビス(トリフルオロメタンスルホニル)イミド]
・難燃剤7:MTOATFSI[三菱マテリアル(株)製、メチルトリオクチルアンモニウム ビス(トリフルオロメタンスルホニル)イミド]
・難燃剤8:EMIN111[三菱マテリアル(株)製、1-エチル-3-メチルイミダゾリウム ビス(トリフルオロメタンスルホニル)イミド]
・酸化防止剤1:Irgafos168[BASFジャパン(株)製、トリス(2,4-ジ-tert-ブチルフェニル)ホスファイト、表中Irg168と略記]
・酸化防止剤2:Irganox1076[(BASFジャパン(株)製、オクタデシル-3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオネート、表中Irg1076と略記)]
・酸化防止剤3:Doverphos S-9228PC[Dover Chemical社製、ビス(2,4-ジクミルフェニル)ペンタエリスリトールジホスファイト、表中Doverphosと略記]
・離型剤1:EW-440A[理研ビタミン(株)製、ペンタエリスリトールテトラステアレート]
・離型剤2:S-100A[理研ビタミン(株)製、グリセリンモノステアレート]
・シリコーン1:KR-511[信越化学工業(株)製、フェニル基、メトキシ基及びビニル基含有反応性シリコーン化合物、屈折率=1.518]
・シリコーン2:TSF437[モメンティブ・パフォーマンス・マテリアルズ社製、ポリジメチルジフェニルシロキサン、屈折率=1.499]
・シリコーン3:SFR320[モメンティブ・パフォーマンス・マテリアルズ社製、ポリメチルフェニルシロキサン、屈折率=1.536]
(4.1)実施例1~17及び比較例1~16
(1)評価用ペレットの作製
表1~4に示す割合で各成分を混合し、ベント式二軸押出成形機[東芝機械(株)製:TEM-35]に供給し、バレル温度270~280℃、スクリュー回転数250回転、吐出量25kg/hrにて溶融混練し、評価用ペレットサンプルをそれぞれ得た。
ここで、表1~4に示す各成分の配合量の単位は質量部である。
(2)評価用成形品の作製
(薄肉難燃性評価用試験片)
各実施例及び比較例で得られた評価用ペレットを120℃で5時間乾燥した後、射出成形機[東芝機械(株)製、EC75PNII]を用いて、シリンダー温度が280℃、金型温度が80℃、サイクル時間が18秒の条件で射出成形して、長さ125mm、幅13mm、厚さ1.5mmのプレート状の試験片を作製した。
(全光線透過率、ヘイズ及びYI値測定用3段プレート)
各実施例及び比較例で得られた評価用ペレットを120℃で5時間乾燥した後、射出成形機[(株)ニイガタマシンテクノ製、MD50X]を用いて、シリンダー温度が280℃、金型温度が80℃、サイクル時間が31秒の条件で射出成形して、3段プレート90mm×50mm(3mm厚部分:45mm×50mm、2mm厚部分:22.5mm×50mm、1mm厚部分:22.5mm×50mm)を作製した。
(全光線透過率、ヘイズ及びYI値測定用5mm厚プレート)
各実施例及び比較例で得られた評価用ペレットを120℃で5時間乾燥した後、射出成形機[日精樹脂工業(株)製、ES1000]を用いて、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して、5mm厚プレート90mm×50mmを作製した。
前記(2)で得られた評価用成形品を用いて、下記の各評価をおこなった。結果を表1~4に示す。
・薄肉難燃性
UL94規格に準じて、上記作製した1.5mmのプレート状の試験片の垂直燃焼試験を行った。試験の結果に基づいてV-0、V-1、V-2の等級に分類し、難燃性を評価した。何れの等級にも達しないものをV-outとした。
なお、UL94規格とは、鉛直に保持した所定の大きさの試験片にバーナーの炎を10秒間接炎した後の残炎時間から難燃性を評価する方法である。
上記作製した3段プレートの3mm厚部分及び5mm厚プレートの全光線透過率を測定した。全光線透過率は、JIS K7375:2008に準拠して、日本電色工業(株)製の試験機NDH 5000を用いて測定した。
上記作製した3段プレートの3mm厚部分及び5mm厚プレートのヘイズを測定した。ヘイズは、JIS K7375:2008に準拠して、日本電色工業(株)製の試験機NDH 5000を用いて測定した。
上記作製した3段プレートの3mm厚部分及び5mm厚プレートにおいて、日本電色工業(株)製の試験機SE2000を用いて、C光源、2度視野の条件でYI値を測定した。
(1)評価用ペレットの作製
表5に示す割合で各成分を混合し、実施例1と同様にして評価用ペレットサンプルをそれぞれ得た。
(2)評価用成形品の作製
実施例1と同様にして、厚さ1.5mmのプレート状の試験片及び5mm厚プレートを作製した。
更に、各実施例で得られた評価用ペレットを120℃で5時間乾燥した後、射出成形機[東芝機械(株)製、EC75PNII]を用いて、シリンダー温度が280℃、金型温度が40℃、サイクル時間が18秒の条件で射出成形して、長さ125mm、幅13mm、厚さ1.2mmのプレート状の試験片を成形した。
(3)評価
・薄肉難燃性
実施例1と同様にして、厚さ1.5mmのプレート状の試験片を用いて、薄肉難燃性を評価した。
更に、上記作成した1.2mmのプレート状の試験片を用いて、厚さ1.5mmのプレート状の試験片と同様にして、薄肉難燃性を評価した。
・全光線透過率、ヘイズ、YI値
実施例1と同様にして、5mm厚プレートにおいて全光線透過率、ヘイズ、及びYI値を測定した。
この明細書に記載の文献の開示全体及び本出願が優先権を主張する日本国特許出願第2021-064310号明細書の開示全体を、本明細書に援用する。
Claims (15)
- ポリカーボネート系樹脂(A)と、下記式(1)で示されるパーフルオロアルキルスルホンイミド(B)と、を含み、
(分岐剤由来の構造単位のモル数)/(二価フェノール由来の構造単位のモル数+分岐剤由来の構造単位のモル数+末端単位のモル数)×100により算出される、前記ポリカーボネート系樹脂(A)の分岐率が0.30モル%以上3.0モル%以下であり、
前記パーフルオロアルキルスルホンイミド(B)の含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.05質量部以上2.0質量部以下である、ポリカーボネート系樹脂組成物。
(前記式(1)中、R31は炭素数1~3のパーフルオロアルキル基を示し、R32は炭素数1~4のパーフルオロアルキル基を示し、M+はリチウムイオン、ナトリウムイオン、及びカリウムイオンからなる群から選択される少なくとも一種の1価の陽イオンを示す。) - 前記ポリカーボネート系樹脂(A)が、分岐状ポリカーボネート系樹脂(A-1)と、前記分岐状ポリカーボネート系樹脂(A-1)以外の芳香族ポリカーボネート系樹脂(A-2)とを含む、請求項1に記載のポリカーボネート系樹脂組成物。
- 前記分岐状ポリカーボネート系樹脂(A-1)は、下記式(I)で表される繰り返し単位及び下記式(II)で表される分岐構造を有する、請求項2に記載のポリカーボネート系樹脂組成物。
(前記式(I)中、R1及びR2はそれぞれ独立に、ハロゲン原子、炭素数1~18のアルキル基、炭素数1~18のアルコキシ基、炭素原子数6~20のシクロアルキル基、炭素原子数6~20のシクロアルコキシ基、炭素原子数2~10のアルケニル基、炭素原子数6~14のアリール基、炭素原子数6~14のアリールオキシ基、炭素原子数7~20のアラルキル基、炭素原子数7~20のアラルキルオキシ基、ニトロ基、アルデヒド基、シアノ基、及びカルボキシル基からなる群から選ばれる基を示し、Xは単結合、炭素数1~8のアルキレン基、炭素数2~8のアルキリデン基、炭素数5~15のシクロアルキレン基、炭素数5~15のシクロアルキリデン基、炭素原子数7~20のアラルキル基、-S-、-SO-、-SO2-、-O-又は-CO-を示し、a及びbはそれぞれ独立に、0~4の整数を示す。)
- 前記ポリカーボネート系樹脂(A)の粘度平均分子量が10,000以上50,000以下である、請求項1~3のいずれかに記載のポリカーボネート系樹脂組成物。
- 酸化防止剤(C)を更に含み、
前記酸化防止剤(C)の含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.03質量部以上0.50質量部以下である、請求項1~4のいずれかに記載のポリカーボネート系樹脂組成物。 - 前記酸化防止剤(C)が、リン系酸化防止剤及びフェノール系酸化防止剤から選択される少なくとも一種を含む、請求項5に記載のポリカーボネート系樹脂組成物。
- 離型剤(D)を更に含み、
前記離型剤(D)の含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.01質量部以上5.0質量部以下である、請求項1~6のいずれかに記載のポリカーボネート系樹脂組成物。 - シリコーン化合物(E)を更に含み、
前記シリコーン化合物(E)の含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.01質量部以上5.0質量部以下である、請求項1~7のいずれかに記載のポリカーボネート系樹脂組成物。 - パーフルオロアルカンスルホン酸金属塩及び芳香族含有スルホン酸金属塩の合計含有量が、前記ポリカーボネート系樹脂(A)100質量部に対して、0.05質量部未満である、請求項1~8のいずれかに記載のポリカーボネート系樹脂組成物。
- 前記ポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られる5mm厚プレートの全光線透過率が80%以上である、請求項1~9のいずれかに記載のポリカーボネート系樹脂組成物。
- 前記ポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られる5mm厚プレートのヘイズが4.0%以下である、請求項1~10のいずれかに記載のポリカーボネート系樹脂組成物。
- 前記ポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が18秒の条件で射出成形して得られる1.5mm厚プレートの、UL94規格における難燃性がV-0である、請求項1~11のいずれかに記載のポリカーボネート系樹脂組成物。
- 前記ポリカーボネート系樹脂組成物を、シリンダー温度が280℃、金型温度が80℃、サイクル時間が53秒の条件で射出成形して得られる5mm厚プレートのYI値が6.0以下である、請求項1~12のいずれかに記載のポリカーボネート系樹脂組成物。
- 光透過性成形品用である、請求項1~13のいずれかに記載のポリカーボネート系樹脂組成物。
- 請求項1~14のいずれかに記載のポリカーボネート系樹脂組成物からなる成形品。
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