SG73353A1 - Process for the production of polycarbonates - Google Patents

Process for the production of polycarbonates

Info

Publication number
SG73353A1
SG73353A1 SG1996000063A SG1996000063A SG73353A1 SG 73353 A1 SG73353 A1 SG 73353A1 SG 1996000063 A SG1996000063 A SG 1996000063A SG 1996000063 A SG1996000063 A SG 1996000063A SG 73353 A1 SG73353 A1 SG 73353A1
Authority
SG
Singapore
Prior art keywords
compound
carbon atoms
mole
carbonic acid
aromatic dihydroxy
Prior art date
Application number
SG1996000063A
Other languages
English (en)
Inventor
Takeshi Sakashita
Tomoaki Shimoda
Original Assignee
Ge Plastics Japan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ge Plastics Japan Ltd filed Critical Ge Plastics Japan Ltd
Publication of SG73353A1 publication Critical patent/SG73353A1/en

Links

Classifications

    • 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
    • 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
    • C08G64/14—Aromatic polycarbonates not containing aliphatic unsaturation containing a chain-terminating or -crosslinking agent
    • 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
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/307—General preparatory processes using carbonates and phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
SG1996000063A 1988-09-22 1989-09-20 Process for the production of polycarbonates SG73353A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23842988 1988-09-22
JP23842888 1988-09-22

Publications (1)

Publication Number Publication Date
SG73353A1 true SG73353A1 (en) 2000-06-20

Family

ID=26533688

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996000063A SG73353A1 (en) 1988-09-22 1989-09-20 Process for the production of polycarbonates

Country Status (9)

Country Link
US (2) US5151491A (fr)
EP (1) EP0360578B1 (fr)
JP (1) JPH0739483B2 (fr)
KR (1) KR930004609B1 (fr)
AT (1) ATE169316T1 (fr)
BR (1) BR8904803A (fr)
DE (1) DE68928766T2 (fr)
ES (1) ES2121739T3 (fr)
SG (1) SG73353A1 (fr)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0360578B1 (fr) * 1988-09-22 1998-08-05 Ge Plastics Japan Ltd. Procédé pour la préparation des polycarbonates
US5055523A (en) * 1989-03-20 1991-10-08 Ce Plastics Japan Limited Aromatic polycarbonate resin composition
JP2662049B2 (ja) * 1989-09-14 1997-10-08 出光石油化学株式会社 光学式ディスク基板及び光学式情報記録媒体
JP2554775B2 (ja) * 1990-11-29 1996-11-13 出光石油化学株式会社 ポリカーボネートの製造方法
JPH04222829A (ja) * 1990-12-25 1992-08-12 Teijin Chem Ltd 燈光カバー成形用材料
US5434227A (en) * 1991-05-08 1995-07-18 Daicel Chemical Industries, Ltd. Process for producing polycarbonate
US5548041A (en) * 1991-05-08 1996-08-20 Daicel Chemical Industries, Ltd. Process for producing polycarbonate
US5276109A (en) * 1991-06-28 1994-01-04 General Electric Company Optical polycarbonate compositions
JP2924985B2 (ja) * 1991-06-28 1999-07-26 日本ジーイープラスチックス株式会社 ポリカーボネートの製造方法
JP2922337B2 (ja) * 1991-06-28 1999-07-19 日本ジーイープラスチックス株式会社 共重合ポリカーボネートの製造方法
JPH059287A (ja) * 1991-06-28 1993-01-19 Nippon G Ii Plast Kk ポリカーボネートの製造方法
JPH05117382A (ja) * 1991-10-29 1993-05-14 Nippon G Ii Plast Kk 共重合ポリカーボネート、その製造方法およびそれからなる組成物
EP0577849A4 (fr) * 1992-01-29 1995-03-01 Daicel Chem Polycarbonate et sa production.
JPH05262872A (ja) * 1992-03-17 1993-10-12 Idemitsu Petrochem Co Ltd ポリカーボネートの製造方法
DE4217775A1 (de) * 1992-05-29 1993-12-02 Bayer Ag Verfahren zur Herstellung von Polycarbonaten
EP0592900A3 (fr) * 1992-10-14 1995-02-22 Daicel Chem Procédé de préparation de polycarbonates par polycondensation en phase fondue.
DE69333628T2 (de) * 1992-10-14 2005-02-03 Daicel Chemical Industries, Ltd., Sakai Verfahren zur Darstellung von Polycarbonaten durch Polykondensation in der Schmelze
DE4238123C2 (de) * 1992-11-12 2000-03-09 Bayer Ag Verfahren zur Herstellung von thermoplastischen Polycarbonaten
DE4240588A1 (de) * 1992-12-03 1994-06-09 Bayer Ag Verfahren zur Herstellung von Polycarbonaten
JPH06228300A (ja) * 1992-12-11 1994-08-16 Daicel Chem Ind Ltd ポリカーボネートの製造法
EP0892010A3 (fr) * 1993-01-29 1999-03-31 Daicel Chemical Industries, Ltd. Composition de polycarbonate contenant du bore
DE4312390A1 (de) * 1993-04-16 1994-10-20 Bayer Ag Zweistufen-Verfahren zur Herstellung von thermoplastischem Polycarbonat
DE4320156A1 (de) * 1993-06-18 1994-12-22 Bayer Ag Verfahren zur Herstellung von thermoplastischen Polycarbonaten
JP3396942B2 (ja) * 1994-02-21 2003-04-14 三菱化学株式会社 芳香族ポリカーボネートの製造方法
DE69425130T2 (de) * 1994-04-14 2000-11-09 Daicel Chemical Industries, Ltd. Verfahren zur Herstellung von (Co)Polycarbonaten
JP3390277B2 (ja) 1994-12-28 2003-03-24 日本ジーイープラスチックス株式会社 ポリカーボネートの製造方法
JP3327308B2 (ja) * 1994-12-28 2002-09-24 日本ジーイープラスチックス株式会社 ポリカーボネートの製造方法
US5717057A (en) * 1994-12-28 1998-02-10 General Electric Company Method of manufacturing polycarbonate
JP3327307B2 (ja) 1994-12-28 2002-09-24 日本ジーイープラスチックス株式会社 ポリカーボネートの製造方法
DE19511467A1 (de) * 1995-03-29 1996-10-02 Bayer Ag Verfahren zur Herstellung von thermoplastischem Polycarbonat
DE69605167T2 (de) * 1995-09-19 2000-09-14 Teijin Ltd., Osaka Verfahren zur Herstellung von Polycarbonat
JP3613355B2 (ja) * 1995-09-19 2005-01-26 出光興産株式会社 ポリカーボネート及びその製造方法
EP0774491A3 (fr) 1995-11-20 1997-12-03 General Electric Company Films, feuilles et produits formés préparés d'une composition de polyester et de polycarbonate
JPH1087969A (ja) 1996-09-11 1998-04-07 Nippon G Ii Plast Kk 透明なポリエステル／ポリカーボネート組成物の製造方法
EP0893476A1 (fr) * 1997-07-23 1999-01-27 Daicel Chemical Industries, Ltd. Composition de résine thermoplastique
US6486241B2 (en) 1997-08-29 2002-11-26 General Electric Company Polycarbonate resin composition
MY121010A (en) * 1997-08-29 2005-12-30 Sabic Innovative Plastics Ip Polycarbonate resin composition
US6613820B2 (en) 1997-08-29 2003-09-02 General Electric Company Polycarbonate resin composition
US5973101A (en) * 1997-09-30 1999-10-26 General Electric Company Aromatic polycarbonate resin composition
US6323302B1 (en) 1998-04-27 2001-11-27 Teijin Limited Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof
JP3621972B2 (ja) * 1998-09-18 2005-02-23 出光興産株式会社 ポリカーボネート樹脂組成物及びそのシート成形品
US6339138B1 (en) 1998-11-04 2002-01-15 General Electric Company Method of manufacturing polycarbonates
US6140457A (en) * 1999-02-26 2000-10-31 General Electric Company Static-resistant polycarbonates having DI-t-alkylphenyl end groups
US6022943A (en) 1999-04-07 2000-02-08 General Electric Company Optical quality polycarbonates with reduced static charge and method for making same
DE19933128A1 (de) 1999-07-19 2001-01-25 Bayer Ag Polycarbonat und dessen Formkörper
DE19933132A1 (de) 1999-07-19 2001-01-25 Bayer Ag Verfahren zur Herstellung von modifizierten Polycarbonaten
DE19954787A1 (de) 1999-11-15 2001-05-17 Bayer Ag Verfahren zur Herstellung von Polycarbonat
JP4322376B2 (ja) 1999-11-26 2009-08-26 Ｓａｂｉｃイノベーティブプラスチックスジャパン合同会社 難燃性樹脂組成物およびその成型品
JP2002194073A (ja) 2000-12-26 2002-07-10 Ge Plastics Japan Ltd 新規なポリカーボネート系樹脂および該ポリカーボネート系樹脂の製造方法
US6653434B2 (en) 2000-12-29 2003-11-25 General Electric Company Process for the production of polycarbonate
JP4112981B2 (ja) * 2000-12-28 2008-07-02 ゼネラル・エレクトリック・カンパニイ ポリカーボネートの製造方法
US6608163B2 (en) * 2001-01-17 2003-08-19 General Electric Company Polycarbonate copolymers having improved hydrolytic stability
JP2002348368A (ja) 2001-05-28 2002-12-04 Ge Plastics Japan Ltd 光学用ポリカーボネートおよびその用途
JP3866934B2 (ja) * 2001-05-28 2007-01-10 日本ジーイープラスチックス株式会社 光学用ポリカーボネートおよびその用途
JP4606660B2 (ja) 2001-07-17 2011-01-05 Ｓａｂｉｃイノベーティブプラスチックスジャパン合同会社 ポリカーボネートの製造方法およびポリカーボネート製造装置
US6870025B2 (en) 2001-07-24 2005-03-22 General Electric Company Method of polycarbonate preparation
US6548623B2 (en) 2001-07-24 2003-04-15 General Electric Company Method of polycarbonate preparation
US6809817B2 (en) 2001-08-24 2004-10-26 General Electric Company Method and apparatus for in situ determination of molten polycarbonate composition using electronic absorption spectroscopy
US20030120025A1 (en) * 2001-09-07 2003-06-26 Brack Hans Peter Process for the production of polycarbonate
US6683689B2 (en) 2001-10-02 2004-01-27 General Electric Company Method for rapid determination of composition of polycarbonate resin
KR20050035139A (ko) * 2001-10-10 2005-04-15 제너럴 일렉트릭 캄파니 폴리카보네이트 수지를 말단 캡핑하는 방법 및 상기방법에서 사용하기 위한 조성물
US6706846B2 (en) * 2001-10-10 2004-03-16 General Electric Company Method for end-capping polycarbonate resins and composition for use in same
US6500914B1 (en) 2001-10-10 2002-12-31 General Electric Company Method for end-capping polycarbonate resins and composition for use in same
US6504002B1 (en) 2001-12-21 2003-01-07 General Electric Company Process for the production of branched melt polycarbonate by late addition of fries-inducing catalyst
US7312257B2 (en) * 2003-01-23 2007-12-25 General Electric Company Polymer encapsulation of high aspect ratio materials and methods of making same
US7488764B2 (en) * 2003-01-23 2009-02-10 Sabic Innovative Plastics Ip B.V. Polymer encapsulation of high aspect ratio materials and methods of making same
US20050085580A1 (en) * 2003-10-16 2005-04-21 General Electric Company Light-Colored Polycarbonate Compositions and Methods
US7496938B2 (en) * 2003-11-24 2009-02-24 Sabic Innovative Plastics Ip B.V. Media drive with a luminescence detector and methods of detecting an authentic article
US7175086B2 (en) * 2004-04-21 2007-02-13 General Electric Company Authentication system, data device, and methods for using the same
US7169615B2 (en) * 2003-11-26 2007-01-30 General Electric Company Method of authenticating polymers, authenticatable polymers, methods of making authenticatable polymers and authenticatable articles, and articles made there from
US20090266991A1 (en) * 2003-11-26 2009-10-29 Sabic Innovative Plastics Ip B.V. Method of authenticating tagged polymers
US20050110978A1 (en) * 2003-11-26 2005-05-26 Radislav Potyrailo Method of authenticating articles, authenticatable polymers, and authenticatable articles
US7094364B2 (en) * 2003-11-26 2006-08-22 General Electric Company Method of authenticating polymers, authenticatable polymers, methods of making authenticatable polymers and authenticatable articles, and articles made there from
US20050112768A1 (en) * 2003-11-26 2005-05-26 Thomas Evans Method of authenticating tagged polymers
US7112645B2 (en) * 2004-03-19 2006-09-26 General Electric Company Polycarbonate composition and method of making thereof
US7041775B2 (en) * 2004-04-20 2006-05-09 General Electric Company Method for preparing a polycarbonate oligomer mixture at low temperature for manufacturing polycarbonate
US20050277710A1 (en) * 2004-06-14 2005-12-15 Joyce Richard P Tagged resin, method of making a tagged resin, and articles made therefrom
US7597961B2 (en) * 2004-07-13 2009-10-06 Sabic Innovative Plastics Ip B.V. Authenticatable article and method of authenticating
US7312352B2 (en) * 2004-08-02 2007-12-25 Paul William Buckley Method of preparing ester-substituted diaryl carbonates
US7105626B2 (en) * 2004-09-10 2006-09-12 General Electric Company Method for incorporating alkyl ester endgroups to improve the release properties of melt polycarbonate
US7682696B2 (en) * 2004-09-13 2010-03-23 Sabic Innovative Plastics Ip B.V. Medical article and method of making and using the same
US7132498B2 (en) * 2004-09-27 2006-11-07 General Electric Company Process to make polycarbonate from bismethylsalicylcarbonate (BMSC)
KR100644658B1 (ko) 2004-12-07 2006-11-10 삼성전자주식회사 화상형성장치
US7230066B2 (en) * 2004-12-16 2007-06-12 General Electric Company Polycarbonate—ultem block copolymers
US7635778B2 (en) * 2004-12-17 2009-12-22 Sabic Innovative Plastics Ip B.V. Composition, method of authenticating, methods of making authenticatable compositions, authenticatable articles made there from
KR100713099B1 (ko) * 2005-03-07 2007-05-02 주식회사 엘지화학 폴리카보네이트 수지의 제조 방법
US7365149B2 (en) * 2005-12-12 2008-04-29 Hans-Peter Brack Equipment cleaning in the manufacture of polycarbonates
US7485694B2 (en) * 2005-12-21 2009-02-03 Sabic Innovative Plastics Ip B.V. Polycarbonates containing low levels of methyl salicylate prepared by a melt polymerization in a reactive extruder
US7485695B2 (en) * 2005-12-21 2009-02-03 Sabic Innovative Plastics Ip B.V Polycarbonates containing low levels of methyl salicylate prepared by a melt polymerization in a reactive extruder
US7498399B2 (en) * 2006-05-31 2009-03-03 Sabic Innovative Plastics Ip B.V. Method of preparing ester-substituted diaryl carbonates
US7495064B2 (en) * 2006-06-26 2009-02-24 Sabic Innovative Plastics Ip Bv Manufacture of polycarbonates
US7498400B2 (en) * 2006-06-30 2009-03-03 Sabic Innovative Plastics Ip B.V. Method of preparing polycarbonate
US7645851B2 (en) * 2006-06-30 2010-01-12 Sabic Innovative Plastics Ip B.V. Polycarbonate with reduced color
US7482423B2 (en) * 2006-06-30 2009-01-27 Sabic Innovative Plastics Ip B.V. Polycarbonates and method of preparing same
US7541420B2 (en) * 2006-06-30 2009-06-02 Sabic Innovative Plastics Ip B.V. Method for making molded polycarbonate articles with improved color
US7601794B2 (en) * 2007-09-28 2009-10-13 Sabic Innovative Plastics Ip B.V. Monomer solution for producing polycarbonate
US7632913B2 (en) * 2007-09-28 2009-12-15 Sabic Innovative Plastics Ip B.V. Method of producing polycarbonate in a flash devolatilization system
US7619053B2 (en) * 2007-09-28 2009-11-17 Sabic Innovative Plastics Ip B.V. Monomer solution for producing polycarbonate
US7615605B2 (en) * 2008-03-26 2009-11-10 Sabic Innovative Plastics Ip B.V. Monomer solution for producing polycarbonate
US7671165B2 (en) * 2008-05-16 2010-03-02 Sabic Innovative Plastics Ip B.V. Method of forming polycarbonate
US7674872B2 (en) * 2008-06-17 2010-03-09 Sabic Innovative Plastics Ip B.V. Method of producing high molecular weight polymer
US7547799B1 (en) 2008-06-20 2009-06-16 Sabic Innovative Plastics Ip B.V. Method for producing phenolic compound
WO2013130752A1 (fr) * 2012-02-28 2013-09-06 Sabic Innovative Plastics Ip B.V. Procédés de préparation de polycarbonates possédant des propriétés optiques améliorées
US20140179855A1 (en) 2012-12-20 2014-06-26 Sabic Innovative Plastics Ip B.V. Thermoplastic compositions, methods of manufacture, and articles thereof
US10370533B2 (en) 2014-06-05 2019-08-06 Sabic Global Technologies B.V. Thermoplastic composition and laser-welded article
WO2017081640A1 (fr) 2015-11-13 2017-05-18 Sabic Global Technologies B.V. Polycarbonate polymérisé à l'état fondu à haute transparence aux performances de résistance au choc modifiées
WO2017145075A1 (fr) 2016-02-26 2017-08-31 Sabic Global Technologies B.V. Polycarbonate à l'état fondu à résistance aux chocs modifiée
EP3562882B1 (fr) * 2016-12-28 2021-02-24 Covestro Intellectual Property GmbH & Co. KG Composition et matière à mouler thermoplastique ayant une bonne résistance à basse température, un haut degré de brillance et une haute stabilité au traitement
EP4141073A1 (fr) 2021-08-31 2023-03-01 SHPP Global Technologies B.V. Compositions conductrices chargées ayant une conductivité améliorée

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177179A (en) * 1960-05-31 1965-04-06 Dow Chemical Co Chain terminated polycarbonates
US3240756A (en) * 1961-03-02 1966-03-15 Allied Chem Continuous addition of phenolic chain terminator in bisphenol polycarbonate production by emulsion polymerization
DE1570533C3 (de) * 1965-01-15 1975-05-28 Bayer Ag, 5090 Leverkusen Verfahren zum Herstellen von Polycarbonaten
US3544514A (en) * 1965-01-15 1970-12-01 Bayer Ag Process for the production of thermoplastic polycarbonates
DE1570546A1 (de) * 1965-03-09 1970-01-29 Bayer Ag Verfahren zum Herstellen hochmolekularer thermoplastischer Polycarbonate nach dem Umesterungsverfahren
US3697481A (en) * 1971-03-08 1972-10-10 Gen Electric Chromanyl terminated polycarbonate
JPS5120993A (ja) * 1974-08-14 1976-02-19 Mitsubishi Gas Chemical Co Tainetsuseihorikaaboneetojushino seizohoho
DE2439552A1 (de) * 1974-08-17 1976-02-26 Bayer Ag Verfahren zur herstellung von bisphenol-a-polycarbonat nach dem schmelzumesterungsverfahren
DE2837526A1 (de) * 1978-08-28 1980-03-20 Bayer Ag Verfahren zur herstellung von polymeren mit diphenolcarbonat-endgruppen
DE2842005A1 (de) * 1978-09-27 1980-04-10 Bayer Ag Polycarbonate mit alkylphenyl-endgruppen, ihre herstellung und ihre verwendung
US4330664A (en) * 1979-12-26 1982-05-18 General Electric Company Polycarbonate transesterification with catalyst containing aluminum hydride or borohydride group
USRE31262E (en) * 1980-03-27 1983-05-31 General Electric Company Polycarbonate transesterification
US4469860A (en) * 1981-09-28 1984-09-04 General Electric Company Aromatic polycarbonate resin end capped with hydroxy arylene sulfonate
US4590257A (en) * 1983-07-05 1986-05-20 General Electric Company Boron- and nitrogen-containing compositions and their use in polycarbonate and polyester-polycarbonate synthesis
JPS6289723A (ja) * 1985-10-15 1987-04-24 Teijin Chem Ltd ポリカ−ボネ−トの製造方法
US4677184A (en) * 1985-11-12 1987-06-30 General Electric Company Polycarbonate containing cycloalkenylphenyl terminal groups
US4699971A (en) * 1985-11-12 1987-10-13 General Electric Company Polycarbonate with cycloalkylphenyl end group
US4788276A (en) * 1985-11-12 1988-11-29 General Electric Company Copolyester carbonate with cycloalkylphenyl end groups
BR8703052A (pt) * 1986-06-18 1988-03-08 Mitsubishi Chem Ind Processo para producao de uma resina tendo ligacoes carbonato
US4775739A (en) * 1986-06-18 1988-10-04 Mitsubishi Chemical Industries Limited Process for producing polycarbonate resin with tertiary alryl phenol molecular weight modifier
JPS6312338A (ja) * 1987-04-30 1988-01-19 Nippon Steel Chem Co Ltd 高温溶融物の定量排出調整方法
US4880896A (en) * 1987-05-30 1989-11-14 Idemitsu Petrochemical Co., Ltd. Polycarbonate for disc substrate having low bisphenol content
JPH0727662B2 (ja) * 1987-08-27 1995-03-29 出光石油化学株式会社 光ディスク基板
DE68911180T2 (de) * 1988-03-28 1994-04-21 Idemitsu Petrochemical Co Polycarbonat.
EP0360578B1 (fr) * 1988-09-22 1998-08-05 Ge Plastics Japan Ltd. Procédé pour la préparation des polycarbonates

Also Published As

Publication number Publication date
ES2121739T3 (es) 1998-12-16
ATE169316T1 (de) 1998-08-15
US5151491A (en) 1992-09-29
US5276129A (en) 1994-01-04
EP0360578B1 (fr) 1998-08-05
EP0360578A2 (fr) 1990-03-28
BR8904803A (pt) 1990-05-01
KR930004609B1 (ko) 1993-06-01
JPH02175723A (ja) 1990-07-09
DE68928766T2 (de) 1999-03-25
EP0360578A3 (fr) 1990-10-31
KR900004799A (ko) 1990-04-13
JPH0739483B2 (ja) 1995-05-01
DE68928766D1 (de) 1998-09-10

Similar Documents

Publication Publication Date Title
SG73353A1 (en) Process for the production of polycarbonates
SG73354A1 (en) Process for preparing polycarbonates
GB1411925A (en) Process for the preparation of halogen-substituted aromatic polycarbonates
DE59505637D1 (de) Isocyanatprepolymere, ein Verfahren zu ihrer Herstellung und ihre Verwendung
DE3279419D1 (en) Process for preparing polyesters or poly(estercarbonates) in the presence of a processing aid
KR940000502A (ko) 폴리카르보네이트 및 그 제조방법
ATE208799T1 (de) Verfahren zur herstellung von aromatischem polycarbonat
AU7854000A (en) Method for making polyester carbonates
JPS649229A (en) Production of polyarylene sulfide
WO2000077073A3 (fr) Procede de production de polycarbonate
MY133664A (en) Process for producing aromatic polycarbonate resin
ES540702A0 (es) Un metodo para preparar polimeros o copolimeros de condensacion tales como poliesteres, policarbonatos, poliamidas poliuretanos y similares.
ES8605004A1 (es) Procedimiento para la obtencion de poliarilensulfuros de al-to peso molecular
GB1497897A (en) Process for preparing high molecular weight polycarbonate
EP0330832A3 (fr) Carbonates oligomères comme agents de terminaison de chaines et procédé pour leur préparation et leur utilisation
IT1227183B (it) Procedimento in continuo per la preparazione di di alchil carbonati
JPS57174318A (en) Production of aromatic polyester polycarbonate
EP0872507A3 (fr) Procédé de préparation de polycarbonates par polycondensation en phase fondue
US5349042A (en) Process for producing polycarbonate
EP0351592B1 (fr) Procédé de préparation de bischloroformiates aromatiques à faible quantité de phosgène
EP0303842A3 (fr) Oligomères de polycarbonates cycliques, inhibition de polymérisation aux polycarbonates linéaires
KR900001788A (ko) 할로겐화된 트리페닐 화합물로부터 유도된 단위체를 함유한 내인화성 폴리카보네이트
Sakashita et al. Process for the Production of Polycarbonates
Sakashita et al. Process for Preparing Polycarbonates
Sakashita et al. Catalytic Process for Preparing Polycarbonates From Carbonic Acid