ATE393792T1 - Verfahren zur herstellung eines polycarbonatoligomerengemischs bei niedriger temperatur zur herstellung von polycarbonat - Google Patents

Verfahren zur herstellung eines polycarbonatoligomerengemischs bei niedriger temperatur zur herstellung von polycarbonat

Info

Publication number
ATE393792T1
ATE393792T1 AT05735187T AT05735187T ATE393792T1 AT E393792 T1 ATE393792 T1 AT E393792T1 AT 05735187 T AT05735187 T AT 05735187T AT 05735187 T AT05735187 T AT 05735187T AT E393792 T1 ATE393792 T1 AT E393792T1
Authority
AT
Austria
Prior art keywords
polycarbonate
vessel
reaction mixture
producing
oligomer mixture
Prior art date
Application number
AT05735187T
Other languages
English (en)
Inventor
Maria Martinez
Alberto Nisoli
Alfredo Lopez-Carretero
Ganesh Kailasam
David Domingo
Patrick Mccloskey
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of ATE393792T1 publication Critical patent/ATE393792T1/de

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
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/307—General preparatory processes using carbonates and phenols
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1806—Stationary reactors having moving elements inside resulting in a turbulent flow of the reactants, such as in centrifugal-type reactors, or having a high Reynolds-number
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1887—Stationary reactors having moving elements inside forming a thin film
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • 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
    • C08G64/20—General preparatory processes
    • 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
    • C08G64/205—General preparatory processes characterised by the apparatus used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/00031—Semi-batch or fed-batch processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/0004—Processes in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00083—Coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00164—Controlling or regulating processes controlling the flow
    • B01J2219/00166—Controlling or regulating processes controlling the flow controlling the residence time inside the reactor vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00184—Controlling or regulating processes controlling the weight of reactants in the reactor vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00186—Controlling or regulating processes controlling the composition of the reactive mixture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
AT05735187T 2004-04-20 2005-04-11 Verfahren zur herstellung eines polycarbonatoligomerengemischs bei niedriger temperatur zur herstellung von polycarbonat ATE393792T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52141004P 2004-04-20 2004-04-20
US10/830,163 US7041775B2 (en) 2004-04-20 2004-04-21 Method for preparing a polycarbonate oligomer mixture at low temperature for manufacturing polycarbonate

Publications (1)

Publication Number Publication Date
ATE393792T1 true ATE393792T1 (de) 2008-05-15

Family

ID=34965634

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05735187T ATE393792T1 (de) 2004-04-20 2005-04-11 Verfahren zur herstellung eines polycarbonatoligomerengemischs bei niedriger temperatur zur herstellung von polycarbonat

Country Status (8)

Country Link
US (1) US7041775B2 (de)
EP (1) EP1751211B1 (de)
JP (1) JP2007533825A (de)
KR (1) KR20070012448A (de)
AT (1) ATE393792T1 (de)
DE (1) DE602005006410T2 (de)
TW (1) TWI387610B (de)
WO (1) WO2005105890A1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7312352B2 (en) * 2004-08-02 2007-12-25 Paul William Buckley Method of preparing ester-substituted diaryl carbonates
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
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
US20070208159A1 (en) * 2006-03-02 2007-09-06 General Electric Company Poly(arylene ether) block copolymer compositions, methods, and articles
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
US7482423B2 (en) * 2006-06-30 2009-01-27 Sabic Innovative Plastics Ip B.V. Polycarbonates and method of preparing same
US7645851B2 (en) * 2006-06-30 2010-01-12 Sabic Innovative Plastics Ip B.V. Polycarbonate with reduced color
US7498400B2 (en) * 2006-06-30 2009-03-03 Sabic Innovative Plastics Ip B.V. Method of preparing polycarbonate
US7541420B2 (en) * 2006-06-30 2009-06-02 Sabic Innovative Plastics Ip B.V. Method for making molded polycarbonate articles with improved color
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
US7601794B2 (en) * 2007-09-28 2009-10-13 Sabic Innovative Plastics Ip B.V. Monomer solution for producing polycarbonate
US7619053B2 (en) * 2007-09-28 2009-11-17 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
US7718755B2 (en) * 2007-10-18 2010-05-18 Sabic Innovative Plastics Ip B.V. Aliphatic diol-based polycarbonates, method of making, and articles formed therefrom
US7666972B2 (en) * 2007-10-18 2010-02-23 SABIC Innovative Plastics IP B., V. Isosorbide-based polycarbonates, method of making, and articles formed therefrom
US8034967B2 (en) * 2007-11-30 2011-10-11 Sabic Innnovative Plastics IP B.V. Method of preparing a purified ester-substituted phenol stream
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
US7659359B1 (en) 2008-11-18 2010-02-09 Sabic Innovative Plastics Ip B.V. Stabilization of isosorbide-based polycarbonate
CN102648388B (zh) * 2009-10-19 2015-04-15 贝邓肯电子公司 多转动传感器
US8273849B2 (en) * 2009-12-30 2012-09-25 Sabic Innovative Plastics Ip B.V. Isosorbide-based polycarbonates, method of making, and articles formed therefrom
US7985824B1 (en) 2010-03-24 2011-07-26 Sabic Innovative Plastics Ip B.V. Method of making polycarbonate
US8343608B2 (en) 2010-08-31 2013-01-01 General Electric Company Use of appended dyes in optical data storage media
US9193864B2 (en) 2012-06-22 2015-11-24 Sabic Global Technologies B.V. Polycarbonate compositions with improved impact resistance
JP2014098089A (ja) * 2012-11-14 2014-05-29 Cheil Industries Inc 重縮合樹脂の製造方法
WO2014077545A1 (ko) * 2012-11-14 2014-05-22 제일모직 주식회사 중축합 수지의 제조방법
WO2017112626A1 (en) 2015-12-22 2017-06-29 Shell Oil Company Method for producing polycarbonate
US10640609B2 (en) 2015-12-22 2020-05-05 Shell Oil Company Method for preparing a melt polycarbonate
EP3372626B1 (de) * 2017-03-10 2019-10-23 SABIC Global Technologies B.V. Ionenkatalysator zur schmelzpolymerisierung von polycarbonat und verfahren zur verwendung davon
WO2019003209A1 (en) 2017-06-30 2019-01-03 Sabic Global Technologies B.V. IMPROVED MIXING PERFORMANCE OLIGOMERIZER
EP3645154B1 (de) 2017-06-30 2022-10-26 SABIC Global Technologies B.V. Oligomeriser mit verbessertem zuführsystem
KR102670159B1 (ko) * 2018-01-24 2024-05-29 에스케이케미칼 주식회사 생물기반 폴리카보네이트 에스테르 및 이의 제조방법

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2439552A1 (de) 1974-08-17 1976-02-26 Bayer Ag Verfahren zur herstellung von bisphenol-a-polycarbonat nach dem schmelzumesterungsverfahren
US4323668A (en) * 1980-12-03 1982-04-06 General Electric Company (Ortho-alkoxycarbonyaryl)-carbonate transesterification
EP0360578B1 (de) * 1988-09-22 1998-08-05 Ge Plastics Japan Ltd. Verfahren zur Herstellung von Polycarbonaten
US5091591A (en) * 1990-11-13 1992-02-25 General Electric Company Process and composition
JPH059282A (ja) 1991-07-04 1993-01-19 Idemitsu Kosan Co Ltd ポリカーボネートの製造方法
US5525701A (en) * 1993-12-14 1996-06-11 General Electric Company Method for the manufacture of aromatic polycarbonate
DE69605167T2 (de) * 1995-09-19 2000-09-14 Teijin Ltd., Osaka Verfahren zur Herstellung von Polycarbonat
JPH10101787A (ja) 1996-09-30 1998-04-21 Teijin Ltd ポリカーボネートおよびその製造方法
JPH10101786A (ja) 1996-09-30 1998-04-21 Teijin Ltd ポリカーボネート共重合体およびその製造方法
EP0980861A4 (de) * 1997-04-04 2001-05-23 Teijin Ltd Salicylester-derivate und verfahren zu ihrer herstellung
EP0976772B1 (de) * 1997-04-18 2004-06-16 Teijin Limited Verfahren zur herstellung von polycarbonatharz
WO1999047580A1 (fr) * 1998-03-17 1999-09-23 Teijin Limited Procede de production de polycarbonate aromatique
WO1999050335A1 (fr) * 1998-03-27 1999-10-07 Teijin Limited Polycarbonate aromatique stabilise
JPH11302228A (ja) 1998-04-20 1999-11-02 Teijin Ltd サリチル酸エステル誘導体およびその製造方法
US6177536B1 (en) * 1999-02-22 2001-01-23 General Electric Company Method for quenching of catalyst in the production of low molecular weight polycarbonates
US6417291B1 (en) * 1999-04-20 2002-07-09 Teijin Limited Process for producing polyarylate
ATE257504T1 (de) * 1999-10-25 2004-01-15 Seiko Epson Corp Wasserlösliche tintenzusammensetzung und tintenstrahldrucker, der diese verwendet
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
US6403754B1 (en) * 2001-01-29 2002-06-11 General Electric Company Optimization of polycarbonate preparation by transesterification
JP4739571B2 (ja) 2001-04-18 2011-08-03 帝人化成株式会社 延伸フィルム
US6469192B1 (en) * 2001-07-24 2002-10-22 General Electric Company Solventless preparation of ester-substituted diaryl carbonates
US6723823B2 (en) * 2001-07-24 2004-04-20 General Electric Company Method of polycarbonate preparation
US6420588B1 (en) * 2001-07-24 2002-07-16 General Electric Company Interfacial method of preparing ester-substituted diaryl carbonates
US6506871B1 (en) 2001-07-24 2003-01-14 General Electric Company Extrusion method for making polycarbonate
US6518391B1 (en) * 2001-07-24 2003-02-11 General Electric Company Method of polycarbonate preparation by solid state polymerization
US6548623B2 (en) * 2001-07-24 2003-04-15 General Electric Company Method of polycarbonate preparation
US6420512B1 (en) * 2001-07-24 2002-07-16 General Electric Company Extrusion method for making polycarbonate
US6399739B1 (en) * 2001-08-22 2002-06-04 General Electric Company Preparation of polycarbonate having a predetermined molecular weight and level of endcapping
US6525163B1 (en) * 2001-09-07 2003-02-25 General Electric Company Process for the production of polycarbonate
US6500914B1 (en) * 2001-10-10 2002-12-31 General Electric Company Method for end-capping polycarbonate resins and composition for use in same
US6706846B2 (en) * 2001-10-10 2004-03-16 General Electric Company Method for end-capping polycarbonate resins and composition for use in same
US20030139529A1 (en) 2001-11-02 2003-07-24 General Electric Company Method of making block copolymers by solid state polymerization
US6590068B2 (en) * 2001-11-14 2003-07-08 General Electric Company Reduction of reaction by-products in polycarbonate resins
US6747119B2 (en) * 2002-03-28 2004-06-08 General Electric Company Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate
US6600004B1 (en) * 2002-04-10 2003-07-29 General Electric Company Method of preparing polyestercarbonates
US6734277B2 (en) * 2002-05-09 2004-05-11 General Electric Company Method of enhancing pit replication in optical disks
US20030232957A1 (en) * 2002-06-12 2003-12-18 General Electric Company Method for making an aromatic polycarbonate
US6790929B2 (en) 2002-06-12 2004-09-14 General Electric Company Method for making an aromatic polycarbonate
US6887969B2 (en) * 2002-10-04 2005-05-03 General Electric Company Method and apparatus to make high molecular weight melt polycarbonate
US6900283B2 (en) * 2002-11-04 2005-05-31 General Electric Company Method for making stable, homogeneous melt solutions

Also Published As

Publication number Publication date
WO2005105890A8 (en) 2006-11-23
US7041775B2 (en) 2006-05-09
EP1751211A1 (de) 2007-02-14
US20050234211A1 (en) 2005-10-20
WO2005105890A1 (en) 2005-11-10
JP2007533825A (ja) 2007-11-22
EP1751211B1 (de) 2008-04-30
TW200606187A (en) 2006-02-16
DE602005006410T2 (de) 2009-06-18
KR20070012448A (ko) 2007-01-25
DE602005006410D1 (de) 2008-06-12
TWI387610B (zh) 2013-03-01

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