CN1111254A - 生产聚碳酸酯的方法 - Google Patents
生产聚碳酸酯的方法 Download PDFInfo
- Publication number
- CN1111254A CN1111254A CN95102219.9A CN95102219A CN1111254A CN 1111254 A CN1111254 A CN 1111254A CN 95102219 A CN95102219 A CN 95102219A CN 1111254 A CN1111254 A CN 1111254A
- Authority
- CN
- China
- Prior art keywords
- bis
- hydroxyphenyl
- acetate
- carbonate
- phosphonium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 11
- 239000004417 polycarbonate Substances 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title description 4
- -1 diaryl carbonates Chemical class 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims description 17
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 7
- MNAHQWDCXOHBHK-UHFFFAOYSA-N 1-phenylpropane-1,1-diol Chemical compound CCC(O)(O)C1=CC=CC=C1 MNAHQWDCXOHBHK-UHFFFAOYSA-N 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- BKGCXJUJNQETRD-UHFFFAOYSA-N C(C1=CC=CC=C1)(=O)[O-].CCCC[PH3+] Chemical compound C(C1=CC=CC=C1)(=O)[O-].CCCC[PH3+] BKGCXJUJNQETRD-UHFFFAOYSA-N 0.000 claims 1
- XUNCVWQATLFOFE-UHFFFAOYSA-N butylphosphanium;acetate Chemical compound CC([O-])=O.CCCC[PH3+] XUNCVWQATLFOFE-UHFFFAOYSA-N 0.000 claims 1
- 150000007942 carboxylates Chemical class 0.000 abstract description 9
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- GFZMLBWMGBLIDI-UHFFFAOYSA-M tetrabutylphosphanium;acetate Chemical compound CC([O-])=O.CCCC[P+](CCCC)(CCCC)CCCC GFZMLBWMGBLIDI-UHFFFAOYSA-M 0.000 abstract description 5
- 150000002894 organic compounds Chemical class 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 150000002989 phenols Chemical class 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 20
- 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 15
- 238000006243 chemical reaction Methods 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000005809 transesterification reaction Methods 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 238000006482 condensation reaction Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- URFNSYWAGGETFK-UHFFFAOYSA-N 4,4'-Dihydroxybibenzyl Chemical compound C1=CC(O)=CC=C1CCC1=CC=C(O)C=C1 URFNSYWAGGETFK-UHFFFAOYSA-N 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 description 2
- ZMENDZUPTXLTAG-UHFFFAOYSA-M tetrabutylphosphanium;benzoate Chemical compound [O-]C(=O)C1=CC=CC=C1.CCCC[P+](CCCC)(CCCC)CCCC ZMENDZUPTXLTAG-UHFFFAOYSA-M 0.000 description 2
- JRQMGUGXUVNKFF-UHFFFAOYSA-M tetraethylphosphanium;acetate Chemical compound CC([O-])=O.CC[P+](CC)(CC)CC JRQMGUGXUVNKFF-UHFFFAOYSA-M 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- HLNHDVOODYDVRZ-UHFFFAOYSA-M tetraphenylphosphanium;acetate Chemical compound CC([O-])=O.C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 HLNHDVOODYDVRZ-UHFFFAOYSA-M 0.000 description 2
- MGAXYKDBRBNWKT-UHFFFAOYSA-N (5-oxooxolan-2-yl)methyl 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)OCC1OC(=O)CC1 MGAXYKDBRBNWKT-UHFFFAOYSA-N 0.000 description 1
- HCNHNBLSNVSJTJ-UHFFFAOYSA-N 1,1-Bis(4-hydroxyphenyl)ethane Chemical compound C=1C=C(O)C=CC=1C(C)C1=CC=C(O)C=C1 HCNHNBLSNVSJTJ-UHFFFAOYSA-N 0.000 description 1
- OWEYKIWAZBBXJK-UHFFFAOYSA-N 1,1-Dichloro-2,2-bis(4-hydroxyphenyl)ethylene Chemical group C1=CC(O)=CC=C1C(=C(Cl)Cl)C1=CC=C(O)C=C1 OWEYKIWAZBBXJK-UHFFFAOYSA-N 0.000 description 1
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 1
- ISNSMFRWEZSCRU-UHFFFAOYSA-N 1,6-bis(4-hydroxyphenyl)hexane-1,6-dione Chemical compound C1=CC(O)=CC=C1C(=O)CCCCC(=O)C1=CC=C(O)C=C1 ISNSMFRWEZSCRU-UHFFFAOYSA-N 0.000 description 1
- XCUMMFDPFFDQEX-UHFFFAOYSA-N 2-butan-2-yl-4-[2-(3-butan-2-yl-4-hydroxyphenyl)propan-2-yl]phenol Chemical compound C1=C(O)C(C(C)CC)=CC(C(C)(C)C=2C=C(C(O)=CC=2)C(C)CC)=C1 XCUMMFDPFFDQEX-UHFFFAOYSA-N 0.000 description 1
- WKVWOPDUENJKAR-UHFFFAOYSA-N 2-cyclohexyl-4-[2-(3-cyclohexyl-4-hydroxyphenyl)propan-2-yl]phenol Chemical compound C=1C=C(O)C(C2CCCCC2)=CC=1C(C)(C)C(C=1)=CC=C(O)C=1C1CCCCC1 WKVWOPDUENJKAR-UHFFFAOYSA-N 0.000 description 1
- XQOAPEATHLRJMI-UHFFFAOYSA-N 2-ethyl-4-[2-(3-ethyl-4-hydroxyphenyl)propan-2-yl]phenol Chemical compound C1=C(O)C(CC)=CC(C(C)(C)C=2C=C(CC)C(O)=CC=2)=C1 XQOAPEATHLRJMI-UHFFFAOYSA-N 0.000 description 1
- ZDRSNHRWLQQICP-UHFFFAOYSA-N 2-tert-butyl-4-[2-(3-tert-butyl-4-hydroxyphenyl)propan-2-yl]phenol Chemical compound C1=C(O)C(C(C)(C)C)=CC(C(C)(C)C=2C=C(C(O)=CC=2)C(C)(C)C)=C1 ZDRSNHRWLQQICP-UHFFFAOYSA-N 0.000 description 1
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 description 1
- YMTYZTXUZLQUSF-UHFFFAOYSA-N 3,3'-Dimethylbisphenol A Chemical compound C1=C(O)C(C)=CC(C(C)(C)C=2C=C(C)C(O)=CC=2)=C1 YMTYZTXUZLQUSF-UHFFFAOYSA-N 0.000 description 1
- NZBJFCOVJHEOMP-UHFFFAOYSA-N 3,3-bis(4-hydroxyphenyl)butan-2-one Chemical compound C=1C=C(O)C=CC=1C(C)(C(=O)C)C1=CC=C(O)C=C1 NZBJFCOVJHEOMP-UHFFFAOYSA-N 0.000 description 1
- WXXCYAAYVQLMDY-UHFFFAOYSA-N 3,5-dibromo-4-[2-(2,6-dibromo-4-hydroxy-3,5-dimethylphenyl)propan-2-yl]-2,6-dimethylphenol Chemical compound CC1=C(O)C(C)=C(Br)C(C(C)(C)C=2C(=C(C)C(O)=C(C)C=2Br)Br)=C1Br WXXCYAAYVQLMDY-UHFFFAOYSA-N 0.000 description 1
- ZFXDUWYVZMVVQT-UHFFFAOYSA-N 3-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound C=1C=CC(O)=CC=1C(C)(C)C1=CC=C(O)C=C1 ZFXDUWYVZMVVQT-UHFFFAOYSA-N 0.000 description 1
- ZGZVGZCIFZBNCN-UHFFFAOYSA-N 4,4'-(2-Methylpropylidene)bisphenol Chemical compound C=1C=C(O)C=CC=1C(C(C)C)C1=CC=C(O)C=C1 ZGZVGZCIFZBNCN-UHFFFAOYSA-N 0.000 description 1
- RXNYJUSEXLAVNQ-UHFFFAOYSA-N 4,4'-Dihydroxybenzophenone Chemical compound C1=CC(O)=CC=C1C(=O)C1=CC=C(O)C=C1 RXNYJUSEXLAVNQ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- VWGKEVWFBOUAND-UHFFFAOYSA-N 4,4'-thiodiphenol Chemical compound C1=CC(O)=CC=C1SC1=CC=C(O)C=C1 VWGKEVWFBOUAND-UHFFFAOYSA-N 0.000 description 1
- SUCTVKDVODFXFX-UHFFFAOYSA-N 4-(4-hydroxy-3,5-dimethylphenyl)sulfonyl-2,6-dimethylphenol Chemical compound CC1=C(O)C(C)=CC(S(=O)(=O)C=2C=C(C)C(O)=C(C)C=2)=C1 SUCTVKDVODFXFX-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 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 1
- BATCUENAARTUKW-UHFFFAOYSA-N 4-[(4-hydroxyphenyl)-diphenylmethyl]phenol Chemical compound C1=CC(O)=CC=C1C(C=1C=CC(O)=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 BATCUENAARTUKW-UHFFFAOYSA-N 0.000 description 1
- QHSCVNPSSKNMQL-UHFFFAOYSA-N 4-[(4-hydroxyphenyl)-naphthalen-1-ylmethyl]phenol Chemical compound C1=CC(O)=CC=C1C(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(O)C=C1 QHSCVNPSSKNMQL-UHFFFAOYSA-N 0.000 description 1
- BHWMWBACMSEDTE-UHFFFAOYSA-N 4-[1-(4-hydroxyphenyl)cyclododecyl]phenol Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)CCCCCCCCCCC1 BHWMWBACMSEDTE-UHFFFAOYSA-N 0.000 description 1
- RELKRTZPXHKICN-UHFFFAOYSA-N 4-[2,2-dibromo-1-(4-hydroxyphenyl)ethenyl]phenol Chemical group C1=CC(O)=CC=C1C(=C(Br)Br)C1=CC=C(O)C=C1 RELKRTZPXHKICN-UHFFFAOYSA-N 0.000 description 1
- QVHPKUNPCDUVQM-UHFFFAOYSA-N 4-[2,2-dichloro-1-(4-hydroxy-3-phenoxyphenyl)ethenyl]-2-phenoxyphenol Chemical group OC1=CC=C(C(=C(Cl)Cl)C=2C=C(OC=3C=CC=CC=3)C(O)=CC=2)C=C1OC1=CC=CC=C1 QVHPKUNPCDUVQM-UHFFFAOYSA-N 0.000 description 1
- GXGKCBSVGQHYDF-UHFFFAOYSA-N 4-[2-(4-hydroxy-2,3,5,6-tetramethylphenyl)propan-2-yl]-2,3,5,6-tetramethylphenol Chemical compound CC1=C(O)C(C)=C(C)C(C(C)(C)C=2C(=C(C)C(O)=C(C)C=2C)C)=C1C GXGKCBSVGQHYDF-UHFFFAOYSA-N 0.000 description 1
- 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 1
- QZXMNADTEUPJOV-UHFFFAOYSA-N 4-[2-(4-hydroxy-3-methoxyphenyl)propan-2-yl]-2-methoxyphenol Chemical compound C1=C(O)C(OC)=CC(C(C)(C)C=2C=C(OC)C(O)=CC=2)=C1 QZXMNADTEUPJOV-UHFFFAOYSA-N 0.000 description 1
- WOCGGVRGNIEDSZ-UHFFFAOYSA-N 4-[2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical compound C=1C=C(O)C(CC=C)=CC=1C(C)(C)C1=CC=C(O)C(CC=C)=C1 WOCGGVRGNIEDSZ-UHFFFAOYSA-N 0.000 description 1
- IJWIRZQYWANBMP-UHFFFAOYSA-N 4-[2-(4-hydroxy-3-propan-2-ylphenyl)propan-2-yl]-2-propan-2-ylphenol Chemical compound C1=C(O)C(C(C)C)=CC(C(C)(C)C=2C=C(C(O)=CC=2)C(C)C)=C1 IJWIRZQYWANBMP-UHFFFAOYSA-N 0.000 description 1
- MUUFFRHLUZZMLK-UHFFFAOYSA-N 4-[2-(4-hydroxy-3-propylphenyl)propan-2-yl]-2-propylphenol Chemical compound C1=C(O)C(CCC)=CC(C(C)(C)C=2C=C(CCC)C(O)=CC=2)=C1 MUUFFRHLUZZMLK-UHFFFAOYSA-N 0.000 description 1
- CLMNUWIUDGZFCN-UHFFFAOYSA-N 4-[2-(4-hydroxyphenoxy)ethoxy]phenol Chemical compound C1=CC(O)=CC=C1OCCOC1=CC=C(O)C=C1 CLMNUWIUDGZFCN-UHFFFAOYSA-N 0.000 description 1
- WEFHJJXWZHDCCM-UHFFFAOYSA-N 4-[2-(4-hydroxyphenyl)-2-adamantyl]phenol Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C(C2)CC3CC2CC1C3 WEFHJJXWZHDCCM-UHFFFAOYSA-N 0.000 description 1
- MPCCNXGZCOXPMG-UHFFFAOYSA-N 4-bromobenzene-1,3-diol Chemical compound OC1=CC=C(Br)C(O)=C1 MPCCNXGZCOXPMG-UHFFFAOYSA-N 0.000 description 1
- QKFFSWPNFCXGIQ-UHFFFAOYSA-M 4-methylbenzenesulfonate;tetraethylazanium Chemical compound CC[N+](CC)(CC)CC.CC1=CC=C(S([O-])(=O)=O)C=C1 QKFFSWPNFCXGIQ-UHFFFAOYSA-M 0.000 description 1
- SBPDUBBJCYMXTB-UHFFFAOYSA-N 9,10-dimethyl-5h-phenazine-2,7-diol Chemical compound OC1=CC(C)=C2N(C)C3=CC(O)=CC=C3NC2=C1 SBPDUBBJCYMXTB-UHFFFAOYSA-N 0.000 description 1
- YWFPGFJLYRKYJZ-UHFFFAOYSA-N 9,9-bis(4-hydroxyphenyl)fluorene Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C2=CC=CC=C21 YWFPGFJLYRKYJZ-UHFFFAOYSA-N 0.000 description 1
- KNLNMGIBGGIFJK-UHFFFAOYSA-N 9h-carbazole-2,7-diol Chemical compound OC1=CC=C2C3=CC=C(O)C=C3NC2=C1 KNLNMGIBGGIFJK-UHFFFAOYSA-N 0.000 description 1
- VOWWYDCFAISREI-UHFFFAOYSA-N Bisphenol AP Chemical compound C=1C=C(O)C=CC=1C(C=1C=CC(O)=CC=1)(C)C1=CC=CC=C1 VOWWYDCFAISREI-UHFFFAOYSA-N 0.000 description 1
- HTVITOHKHWFJKO-UHFFFAOYSA-N Bisphenol B Chemical compound C=1C=C(O)C=CC=1C(C)(CC)C1=CC=C(O)C=C1 HTVITOHKHWFJKO-UHFFFAOYSA-N 0.000 description 1
- GIXXQTYGFOHYPT-UHFFFAOYSA-N Bisphenol P Chemical group C=1C=C(C(C)(C)C=2C=CC(O)=CC=2)C=CC=1C(C)(C)C1=CC=C(O)C=C1 GIXXQTYGFOHYPT-UHFFFAOYSA-N 0.000 description 1
- SDDLEVPIDBLVHC-UHFFFAOYSA-N Bisphenol Z Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)CCCCC1 SDDLEVPIDBLVHC-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- PIIVBWFNNHJRGD-UHFFFAOYSA-N C(C)(=O)[O-].CC=1C(=C(C(=C(C1)[PH3+])C)C)C Chemical compound C(C)(=O)[O-].CC=1C(=C(C(=C(C1)[PH3+])C)C)C PIIVBWFNNHJRGD-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 1
- KYPYTERUKNKOLP-UHFFFAOYSA-N Tetrachlorobisphenol A Chemical compound C=1C(Cl)=C(O)C(Cl)=CC=1C(C)(C)C1=CC(Cl)=C(O)C(Cl)=C1 KYPYTERUKNKOLP-UHFFFAOYSA-N 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 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 1
- LUQQDEDMRRRWGN-UHFFFAOYSA-N bis(2-bromophenyl) carbonate Chemical compound BrC1=CC=CC=C1OC(=O)OC1=CC=CC=C1Br LUQQDEDMRRRWGN-UHFFFAOYSA-N 0.000 description 1
- MUCRFDZUHPMASM-UHFFFAOYSA-N bis(2-chlorophenyl) carbonate Chemical compound ClC1=CC=CC=C1OC(=O)OC1=CC=CC=C1Cl MUCRFDZUHPMASM-UHFFFAOYSA-N 0.000 description 1
- YAPBIDJHZIYQSK-UHFFFAOYSA-N bis(2-ethylphenyl) carbonate Chemical compound CCC1=CC=CC=C1OC(=O)OC1=CC=CC=C1CC YAPBIDJHZIYQSK-UHFFFAOYSA-N 0.000 description 1
- DQPSUGZZTADITQ-UHFFFAOYSA-N bis(2-nitrophenyl) carbonate Chemical compound [O-][N+](=O)C1=CC=CC=C1OC(=O)OC1=CC=CC=C1[N+]([O-])=O DQPSUGZZTADITQ-UHFFFAOYSA-N 0.000 description 1
- IZJIAOFBVVYSMA-UHFFFAOYSA-N bis(4-methylphenyl) carbonate Chemical compound C1=CC(C)=CC=C1OC(=O)OC1=CC=C(C)C=C1 IZJIAOFBVVYSMA-UHFFFAOYSA-N 0.000 description 1
- TVGHXQPTCMTMMI-UHFFFAOYSA-N bis[4-(2,4,4-trimethylpentyl)phenyl] carbonate Chemical compound C1=CC(CC(C)CC(C)(C)C)=CC=C1OC(=O)OC1=CC=C(CC(C)CC(C)(C)C)C=C1 TVGHXQPTCMTMMI-UHFFFAOYSA-N 0.000 description 1
- ZFVMWEVVKGLCIJ-UHFFFAOYSA-N bisphenol AF Chemical compound C1=CC(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C=C1 ZFVMWEVVKGLCIJ-UHFFFAOYSA-N 0.000 description 1
- 229940106691 bisphenol a Drugs 0.000 description 1
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- 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
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
- C08G64/307—General preparatory processes using carbonates and phenols
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Abstract
本发明涉及通过二芳基碳酸酯和二元酚的四有
机鏻羧酸盐,如乙酸四丁基鏻的存在下进行熔融缩合
生产聚碳酸酯的方法。
Description
本发明涉及通过二芳基碳酸酯与芳族二羟基化合物的熔融缩合生产聚碳酸酯的方法。更具体说,本发明涉及采用四有机鏻的羧酸盐,如乙酸四丁基鏻作为催化剂来引发碳酸酯的快速酯交换反应。
Sakashita等人的美国专利5,026,817叙述了通过碳酸二苯酯与双酚A之间的无溶剂熔融缩合反应来生产聚碳酸酯的方法。在一种方法中,Sakashita等人使用了具有特定类型可水解氯的反应物。在另一种方法中,使用了混合催化剂,如含氮碱性化合物和碱土金属或碱土金属的芳族醇盐。然而,已经发现,在这样的熔融聚合反应过程中,含氮碱性化合物,如氢氧化四甲铵会分解产生各种产物,包括会污染最终聚合物的胺类。由于所述分解的结果,往往要使用第二催化剂,如氢氧化钠作为精加工催化剂。
另一种生产聚碳酸酯的方法是通过碳酸二苯酯与2,2-二(4-羟基苯基)丙烷进行熔融酯交换,可参阅Yangsoo kim等人的文章:Industrial Engineering Chemistry Research,1992,31,2118-2127。Yangsoo等人使用的是氢氧化锂催化剂。
虽然已经发现,碱金属氢氧化物无论作为助催化剂还是作为缩合催化剂都有效,但是这些物质会被带入到成品树脂中,从而对树脂产生不利的影响。
挥发性碱性催化剂,如有机氮化合物,例如有机胺类,也被评估为缩合催化剂。虽然这种有机化合物在缩合反应结束时很容易从聚碳酸酯树脂中除去,但是往往会产生染色体。此外,已经发现,即使痕量的胺类也会对聚合物的长期稳定性产生有害的影响。因此,希望能提供一类可作为催化剂的有机化合物,用于实现二芳基碳酸酯和芳族二羟基化合物之间的熔融条件下的缩合,而这种化合物又易于除去或者对所生成的聚碳酸酯树脂不会产生不利的影响。
本发明基于如下的发现,即在二芳基碳酸酯和双酚的熔融缩合反应中使用有效量的四有机鏻羧酸盐,如乙酸四丁基鏻时可引发的碳酸酯的快速酯交换反应。此外,不同于季铵盐,在实施本发明中所用的四有机鏻羧酸盐象胺之类的碱性残留物,这种胺如果残留在成品聚碳酸酯树脂中就可能产生严重的有害影响。再者,使用四有机鏻羧酸盐也可免除对碱金属盐,如氢氧化钠或氢氧化锂的额外要求。
本发明提供一种生产聚碳酸酯的方法,包括:
(1)在有效量的四有机鏻羧酸盐的存在下使二芳基碳酸酯和芳族二羟基化合物进行反应;
(2)在约150℃至约350℃范围的温度下从(1)中所得到的混合物中蒸馏出芳族羟基化合物。
在实施本发明中可用作催化剂的四有机鏻羧酸盐或其混合物包括:
乙酸四甲基鏻,
乙酸四乙基鏻,
乙酸四丙基鏻,
乙酸四丁基鏻,
乙酸四戊基鏻,
乙酸四已基鏻,
乙酸四庚基鏻,
乙酸四辛基鏻,
乙酸四癸基鏻,
乙酸四十二烷基鏻,
乙酸四甲苯基鏻,
乙酸四苯基鏻,
苯甲酸四甲基鏻,
苯甲酸四乙基鏻,
苯甲酸四丙基鏻,
苯甲酸四苯基鏻,
甲酸四甲基鏻,
甲酸四乙基鏻,
甲酸四丙基鏻,
甲酸四苯基鏻,
丙酸四甲基鏻,
丙酸四乙基鏻,
丙酸四丙基鏻,
丁酸四甲基鏻,
丁酸四乙基鏻,和
丁酸四丙基鏻。
可用于实施本发明的二芳基碳酸酯例如有碳酸二苯酯,碳酸二(卤苯)酯,如碳酸二(氯苯)酯、碳酸二(溴苯)酯、碳酸二(烷基苯基)酯,如碳酸二(甲苯基)酯、碳酸二(乙苯基)酯、碳酸二枯基酯、碳酸二(硝基苯基)酯,或它们的混合物。较好使用碳酸二苯酯。
可用于实施本发明的芳族二羟基化合物是下列一些化合物:
间苯二酚
4-溴间苯二酚
对苯二酚
4,4′-二羟基联苯
1,6-二羟基萘
2,6-二羟基萘
二(4-羟基苯基)甲烷
二(4-羟基苯基)二苯甲烷
二(4-羟基苯基)-1-萘基-甲烷
1,1-二(4-羟基苯基)乙烷
1,2-二(4-羟基苯基)乙烷
1,1-二(4-羟基苯基)-1-苯基乙烷
2,2-二(4-羟基苯基)丙烷(即双酚A)
2-(4-羟基苯基)-2-(3-羟基苯基)丙烷
2,2-二(4-羟基苯基)丁烷
1,1-二(4-羟基苯基)异丁烷
1,1-二(4-羟基苯基)环已烷
1,1-二(4-羟基苯基)环十二烷
反-2,3-二(4-羟基苯基)-2-丁烯
2,2-二(4-羟基苯基)金刚烷
α,α′-二(4-羟基苯基)甲苯
二(4-四羟基苯基)乙腈
2,2-二(3-甲基-4-羟基苯基)丙烷
2,2-二(3-乙基-4-羟基苯基)丙烷
2,2-二(3-正丙基-4-羟基苯基)丙烷
2,2-二(3-异丙基-4-羟基苯基)丙烷
2,2-二(3-仲丁基-4-羟基苯基)丙烷
2,2-二(3-叔丁基-4-羟基苯基)丙烷
2,2-二(3-环已基-4-羟基苯基)丙烷
2,2-二(3-烯丙基-4-羟基苯基)丙烷
2,2-二(3-甲氧基-4-羟基苯基)丙烷
2,2-二(3,5-二甲基-4-羟基苯基)丙烷
2,2-二(2,3,5,6-四甲基-4-羟基苯基)丙烷
2,2-二(3,5-二氯-4-羟基苯基)丙烷
2,2-二(3,5-二溴-4-羟基苯基)丙烷
2,2-二(2,6-二溴-3,5-二甲基-4-羟基苯基)丙烷
α,α-二(4-羟基苯基)甲苯
α,α,α′,α′-四甲基-α,α′-二(4-羟基苯基)-对二甲苯
2,2-二(4-羟基苯基)六氟丙烷
1,1-二氯-2,2-二(4-羟基苯基)乙烯
1,1-二溴-2,2-二(4-羟基苯基)乙烯
1,1-二氯-2,2-二(5-苯氧基-4-羟基苯基)乙烯
4,4′-二羟基二苯甲酮
3,3-二(4-羟基苯基)-2-丁酮
1,6-二(4-羟基苯基)-1,6-已二酮
乙二醇二(4-羟基苯基)醚
二(4-羟基苯基)醚
二(4-羟基苯基)硫醚
二(4-羟基苯基)亚砜
二(4-羟基苯基)砜
二(3,5-二甲基-4-羟基苯基)砜
9,9-二(4-羟基苯基)芴
2,7-二羟基芘
6,6′-二羟基-3,3,3′,3′-四甲基螺(二)1,2-氢化茚(“螺二(1,2-二氢化)茚双酚”)
3,3-二(4-羟基苯基)二苯并[C]呋喃酮
2,6-二羟基二苯并-对-二噁英(dioxin)
2,6-二羟基噻蒽
2,7-二羟基吩噻噁
2,7-二羟基-9,10-二甲基吩嗪
3,6-二羟基二苯并呋喃
3,6-二羟基二苯并噻吩,和
2,7-二羟基卡唑。
在实施本发明时,将基本上等摩尔二芳基碳酸酯和芳族二羟基化合物的混合物在大气压下于基本上惰性的气围中在150-210℃范围的温度下加热。当各组分开始熔化时就开始搅拌该混合物。可以缓慢搅拌该体系以促进更好的热交换。在令该体系进行热平衡之后就可加入有效量的四有机鏻羧酸盐,或“鏻催化剂”。有效量的鏻催化剂是指按每100重量份缩合混合物计,催化剂用量为1×10-1-1×10-5重量份。
可将所形成的溶液搅拌直至鏻催化剂分散为止,并将混合物的反应温度升至180-210℃,同时将压力降至175-210托。可进行芳族羟基化合物的蒸馏并继续降低压力以进一步实现芳族羟基的化合物的分离。反应压力可进一步降至70-130托,同时将温度升至220-250℃。将缩合产物置于0.1-5托的完全真空下,在270-350℃范围的温度下开始最后阶段的反应0.5-3小时。在收集到理论量的芳族羟基化合物后就完成了最终聚碳酸酯的回收。
为了使本技术的行家能更好地实施本发明,下面列举实例以供说明,但不作为限制。除非另有指明,所有份额均指重量。四有机鏻羧酸盐催化剂(全为~水合物)是由相应的四芳基鏻或四烷基鏻的氯化物或溴化物(Aldrich化学公司产)和乙酸银或苯甲酸银制备的。
实例1
将136.9克(0.600摩尔)双酚A(BPA)粉末和138.9克(0.648摩尔)碳酸二苯酯(DPC)粉末加入到容积为1升的熔融聚合器设备中。将反应容器抽真空至约1托使之脱氧,然后再充氮。脱氧程序重复三次。将反应器容器浸没在一个预热到180℃的流动加热浴中。令DPA/BPA混合物熔融,形成一种无色均匀流体。一旦有少量的混合物熔化就开始慢慢搅拌该混合物以促进更好的热交换。然后令该混合物进行热平衡5-10分钟。
以250转/分的速度搅拌该混合物。然后将溶于0.1摩尔四氢呋喃(THF)中的9.7毫克(3.05×10-5摩尔)乙酸四丁基鏻-水合物注入到该混合物中。所得溶液在180℃下搅拌5分钟。此时,将反应温度升至210℃,并将压力降低到175托(175毫米泵柱)。两三分钟后,酚开始从反应容器蒸出进入抽真空的接收烧瓶中(2滴/秒)。经35分钟后,将反应器压力降至100托并在此压力下再保持35分钟。继续将酚蒸是接收烧瓶中(2滴/秒)。将反应器压力降至15托,同时将温度升至240℃历时40分钟。在温度达到270℃之后混合物开始发泡6分钟,并继续发泡8分钟。将熔融物料置于完全真空(0.9托)下,在300℃开始最后阶段的反应1.5小时。停止发泡后粘度立即开始上升。在反应器顶部收集到的馏出物的质量是121.7克(理论值为123.4克)。得到一种无色聚碳酸酯,其Ⅳ(在氯仿中)=0.492分升/克,Mw=42,931,Mn=16,768,Mz=70,095,Mw/Mn=2.560,OH(端基)含量=0.1580%(重量)。
实例2
按照实例1的程序,对几种碳酸酯的酯交换反应催化剂作了评估,就酚交换速率而言测定这些催化剂的效率。
在500毫升的石英熔融聚合反应设备中装入25克(0.0592摩尔)碳酸二[对-(2,4,4-三甲基戊基)苯基]酯和25.2克(0.1184摩尔)对枯基苯酚。用氮气吹扫该混合物并将其加热至220℃。在固体完全熔融后,将该溶液搅拌2分钟,并将聚合催化剂以水溶液形式加入;催化剂的用量应足以提供混合物中碳酸酯与催化剂的摩尔比为0.001。所得结果如下,其中K为反应速度常数:
催化剂 K(相对)
氢氧化四乙基铵 3.25
氢氧化钠 3.20
乙酸四乙基鏻 2.11
苯氧基四乙基铵 1.31
苯氧基钠 1.00
苯甲酸四丁基鏻 0.63
乙酸四乙基铵 0.40
乙酸四丁基鏻 0.19
甲苯磺酸四乙基铵 可忽略
上述结果表明:四烷基鏻盐的催化活性基本上与相应的碱金属盐或铵盐相似。
实例3
按照实例1的程序将136.9克(0.600摩尔)BPA粉末和138.9克(0.648摩尔)DPC粉末以及0.1964克(4.52×10-4摩尔结晶乙酸四苯基鏻一起加入到1升的玻璃熔融聚合反应器中。将反应器容器抽真空至约1托使之脱氧,然后再充入纯氮。脱氧程序总共重复三次。将反应器容器浸没在一个预热到180℃的流动加热浴中。令反应混合物熔融,形成一种无色均匀液体。在完全形成溶液后令该体系进行热平衡(5-10分钟)。以250转/分的速度搅拌该溶液。此时将反应温度升至210℃,并将压力降至175毫米汞柱。酚很快就开始从反应器蒸出(约3-4滴/秒)。经35分钟后,将反应器压力降至100毫米泵柱,并在此压力下再保持35分钟。在此期间继续将酚蒸进接收烧瓶中(2滴/秒),到210℃阶段结束时收集到的总体积为68毫升。将反应器温度升至240℃(15托),并在此条件下保持40分钟。在此期间,酚以约1滴/3-5秒的平均速率被蒸出(此进共收集到105毫升)。将反应温度升至270℃(2托),历时20分钟,然后升至300℃(0.75托),历时65分钟。反应到此结束。在反应过程中总共收集到122.1克馏出物。得到无色高分子量聚碳酸酯,其分析数据如下:Ⅳ(在氯仿中)=0.567,Mw=53,447,Mn=18,256,Mw/Mn=2.928,Mz=103,907,OH=0.120%(重量)。
实例4
重复实例1的程序,所不同的是每138.9克碳酸二苯酯和136.9克双酚A使用60.2毫克(5.9×10-8摩尔)苯甲酸四丁基鏻。得到122.6克聚碳酸酯,其Mw=41,330,Mn=17,597,Mw/Mn=2.349,Mz=66,561,OH(端基)%=0.1527%(重量)
虽然上述实例只涉及本发明许许多多变型中的几个例子,但是应该理解的是,本发明也包括其它的鏻催化剂和反应物,如在列举这些实例之前在说明部分中所列举的那些催化剂和反应物。
Claims (6)
1、一种生产聚碳酸酯的方法,包括:
(1)在有效量的四有机鏻羧酸盐的存在下使二芳基碳酸酯和芳族二羟基化合物进行反应;
(2)在约150℃至约350℃范围的温度下从(1)中所得到的混合物中蒸馏出芳族羟基化合物。
2、按照权利要求1的方法,其中二芳基碳酸酯是碳酸二苯酯。
3、按照权利要求1的方法,其中芳族二羟基化合物是双酚A。
4、按照权利要求1的方法,其中四有机鏻羧酸盐是乙酸四丁基鏻。
5、按照权利要求1的方法,其中四有机鏻羧酸盐是苯甲酸四丁基鏻。
6、按照权利要求1的方法,其中四有机鏻羧酸盐是乙酸四苯基鏻。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US206,692 | 1994-03-07 | ||
| US08/206,692 US5412061A (en) | 1994-03-07 | 1994-03-07 | Polycarbonate melt condensation synthesis using a tetraorganophosphonium carboxylate salt catalyst |
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| Country | Link |
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| US (1) | US5412061A (zh) |
| EP (1) | EP0671428B1 (zh) |
| JP (1) | JP3309030B2 (zh) |
| CN (1) | CN1111254A (zh) |
| DE (1) | DE69527818T2 (zh) |
| ES (1) | ES2181749T3 (zh) |
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| US5459226A (en) * | 1994-07-27 | 1995-10-17 | General Electric Company | Polycarbonate redistribution method |
| US5567802A (en) * | 1995-11-20 | 1996-10-22 | General Electric Company | Polycarbonate redistribution method employing phosphonium hydroxides |
| US5854375A (en) * | 1997-01-15 | 1998-12-29 | The Dow Chemical Company | Melt polymerization process for preparing aromatic polyesters |
| US6350848B1 (en) | 1997-11-28 | 2002-02-26 | Hitachi, Ltd. | Process and apparatus for producing polycarbonate |
| US6492485B1 (en) | 2000-04-11 | 2002-12-10 | General Electric Company | Redistributed polycarbonate resin |
| US6376640B1 (en) | 2001-01-12 | 2002-04-23 | General Electric Company | Melt polycarbonate catalyst systems |
| US6291631B1 (en) | 2001-01-12 | 2001-09-18 | General Electric Company | Melt polycarbonate catalyst systems |
| US6395862B1 (en) | 2001-01-12 | 2002-05-28 | General Electric Company | Melt polycarbonate catalyst systems |
| US6323304B1 (en) | 2001-01-12 | 2001-11-27 | General Electric Company | Melt polycarbonate catalyst systems |
| US6303737B1 (en) | 2001-01-12 | 2001-10-16 | General Electric Company | Melt polycarbonate catalyst systems |
| US6323303B1 (en) | 2001-03-01 | 2001-11-27 | General Electric Company | Melt polycarbonate catalyst systems |
| DE10114804A1 (de) * | 2001-03-26 | 2002-10-10 | Bayer Ag | Verfahren zur Herstellung von Polycarbonaten |
| US6569985B2 (en) | 2001-08-08 | 2003-05-27 | General Electric Company | Method for making polycarbonate |
| US6610814B2 (en) | 2001-10-25 | 2003-08-26 | General Electric Company | Compounds of antimony and germanium as catalysts for melt polycarbonate |
| US6608164B2 (en) | 2001-10-25 | 2003-08-19 | General Electric Company | Salts of heterocyclic diols as catalysts for melt polycarbonate |
| US6583258B1 (en) | 2001-10-25 | 2003-06-24 | General Electric Company | Salts of organic phosphates as catalysts for melt polycarbonate |
| US6657038B1 (en) * | 2002-11-01 | 2003-12-02 | General Electric Company | Method for making copolycarbonates |
| US7482423B2 (en) * | 2006-06-30 | 2009-01-27 | Sabic Innovative Plastics Ip B.V. | Polycarbonates and method of preparing same |
| US7498400B2 (en) * | 2006-06-30 | 2009-03-03 | Sabic Innovative Plastics Ip B.V. | Method of preparing polycarbonate |
| US7666977B2 (en) * | 2007-05-03 | 2010-02-23 | Sabic Innovative Plastics Ip B.V. | Poly(carbonate-co-urea) copolymers and melt transesterification method of preparing these copolymers |
| US7557175B2 (en) * | 2007-05-03 | 2009-07-07 | Sabic Innovative Plastics Ip B.V. | Poly(carbonate-co-urea) copolymers and melt transesterification method of preparing these copolymers |
| US8173761B2 (en) * | 2007-08-06 | 2012-05-08 | Sabic Innovative Plastics Ip B.V. | Polycarbonate nanocomposites |
| US20090043069A1 (en) * | 2007-08-06 | 2009-02-12 | General Electric Company | Activated esters for synthesis of sulfonated telechelic polycarbonates |
| US7687595B2 (en) * | 2007-08-06 | 2010-03-30 | Sabic Innovative Plastics Ip B.V. | Sulfonated telechelic polycarbonates |
| US8513374B2 (en) | 2009-09-30 | 2013-08-20 | Falguni Dasgupta | Biocompatible and biodegradable polymers from renewable natural polyphenols |
| US8343608B2 (en) | 2010-08-31 | 2013-01-01 | General Electric Company | Use of appended dyes in optical data storage media |
| US8728453B2 (en) | 2011-02-28 | 2014-05-20 | Innovotech, Llc | Combinatorial polymeric compositions for drug delivery |
| CN105814127B (zh) | 2013-10-08 | 2019-07-26 | 迈图高新材料股份有限公司 | 反应性官能基硅氧烷组合物 |
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| DE1570534A1 (de) * | 1965-01-21 | 1970-01-29 | Bayer Ag | Verfahren zum Herstellen hochmolekularer,thermoplastischer Polycarbonate nach dem Umesterungsverfahren |
| US4171422A (en) * | 1978-09-11 | 1979-10-16 | Allied Chemical Corporation | Production of thermally stabilized polyester |
| US4584408A (en) * | 1983-06-30 | 1986-04-22 | The Dow Chemical Company | Preparation of 1,3-bis(aryloxy)-2-propanols |
| US4742096A (en) * | 1986-06-06 | 1988-05-03 | The Glidden Company | Powder coatings with catalyzed transesterification cure |
| US4766184A (en) * | 1987-04-14 | 1988-08-23 | The Dow Chemical Company | Polycarbonate modified vinyl esters |
| US5037903A (en) * | 1989-09-11 | 1991-08-06 | The Dow Chemical Company | Composition of aromatic polyester copolyester carbonate or polycarbonate with polyepoxide and polyorgano phosphorous catalyst |
| DE4238123C2 (de) * | 1992-11-12 | 2000-03-09 | Bayer Ag | Verfahren zur Herstellung von thermoplastischen Polycarbonaten |
-
1994
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1995
- 1995-02-23 ES ES95301197T patent/ES2181749T3/es not_active Expired - Lifetime
- 1995-02-23 EP EP95301197A patent/EP0671428B1/en not_active Expired - Lifetime
- 1995-02-23 DE DE69527818T patent/DE69527818T2/de not_active Expired - Fee Related
- 1995-02-28 JP JP03890495A patent/JP3309030B2/ja not_active Expired - Fee Related
- 1995-03-07 CN CN95102219.9A patent/CN1111254A/zh active Pending
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| Publication number | Publication date |
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| EP0671428A1 (en) | 1995-09-13 |
| DE69527818D1 (de) | 2002-09-26 |
| EP0671428B1 (en) | 2002-08-21 |
| US5412061A (en) | 1995-05-02 |
| DE69527818T2 (de) | 2003-04-10 |
| JPH07309939A (ja) | 1995-11-28 |
| ES2181749T3 (es) | 2003-03-01 |
| JP3309030B2 (ja) | 2002-07-29 |
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