DE2725967C2 - Verfahren zur Herstellung von Carbonatoligomeren - Google Patents

Verfahren zur Herstellung von Carbonatoligomeren

Info

Publication number
DE2725967C2
DE2725967C2 DE2725967A DE2725967A DE2725967C2 DE 2725967 C2 DE2725967 C2 DE 2725967C2 DE 2725967 A DE2725967 A DE 2725967A DE 2725967 A DE2725967 A DE 2725967A DE 2725967 C2 DE2725967 C2 DE 2725967C2
Authority
DE
Germany
Prior art keywords
reaction
stage
reactor
phosgene
polymerization
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.)
Expired
Application number
DE2725967A
Other languages
German (de)
English (en)
Other versions
DE2725967A1 (de
Inventor
Hiroyuki Toyonaka Osaka Koda
Takeaki Sakai Osaka Megumi
Hiroyuki Toyonaka Osaka Yoshizaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Publication of DE2725967A1 publication Critical patent/DE2725967A1/de
Application granted granted Critical
Publication of DE2725967C2 publication Critical patent/DE2725967C2/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00Preparation of esters of carbonic or haloformic acids
    • C07C68/02Preparation of esters of carbonic or haloformic acids from phosgene or haloformates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
DE2725967A 1976-06-09 1977-06-08 Verfahren zur Herstellung von Carbonatoligomeren Expired DE2725967C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6745176A JPS52150496A (en) 1976-06-09 1976-06-09 Preparation of polycaronate oligomers

Publications (2)

Publication Number Publication Date
DE2725967A1 DE2725967A1 (de) 1977-12-15
DE2725967C2 true DE2725967C2 (de) 1986-09-18

Family

ID=13345292

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2725967A Expired DE2725967C2 (de) 1976-06-09 1977-06-08 Verfahren zur Herstellung von Carbonatoligomeren

Country Status (3)

Country Link
US (1) US4122112A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS52150496A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2725967C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552321A (en) * 1978-10-09 1980-04-16 Mitsubishi Gas Chem Co Inc Preparation of polycarbonate oligomer
US4529791A (en) * 1981-01-28 1985-07-16 The Dow Chemical Company Interfacial polycarbonate preparation by adding additional solvent
FR2504919A1 (fr) * 1981-05-04 1982-11-05 Kotrelev Vladimir Polycarbonates de masse moleculaire inferieure a groupements terminaux aryle, leur procede de preparation et composition de polycarbonates plastifiee les contenant
US4388455A (en) * 1982-05-17 1983-06-14 The Dow Chemical Company Process for preparing ester carbonate copolymers
US4489189A (en) * 1983-08-08 1984-12-18 Ppg Industries, Inc. Alkanediyl bromo-substituted arylenediyl carbonate polymers
US4638077A (en) * 1984-11-29 1987-01-20 General Electric Company Method for the preparation of chloroformate compositions
US4737573A (en) * 1986-10-10 1988-04-12 General Electric Company Method for polymerizing aromatic bischloroformate composition to polycarbonate
US4722994A (en) * 1987-03-03 1988-02-02 General Electric Company Method of preparing cyclic oligomeric polycarbonates
US4743676A (en) * 1987-05-07 1988-05-10 General Electric Company Method for preparing polycarbonate of controlled molecular weight from aromatic bischloroformate
US4902735A (en) * 1987-06-03 1990-02-20 Idemitsu Petrochemical Co., Ltd. High impact resistant polycarbonate and process for producing said polycarbonate
IT1204729B (it) * 1987-06-17 1989-03-10 Enichem Tecnoresine Policarbonati ramificati contenenti acici idrossinaftoici o loro derivati e procedimento per la loro preparazione
US4847352A (en) * 1987-08-26 1989-07-11 The Dow Chemical Company Polycarbonate production with motionless mixer
US4814429A (en) * 1987-12-22 1989-03-21 General Electric Company Method for preparing cyclic polycarbonate oligomers
US4994594A (en) * 1988-02-29 1991-02-19 General Electric Company Oligomeric carbonate chainstoppers
US4939230A (en) * 1988-11-16 1990-07-03 The Dow Chemical Company Elimination of monocarbonate from polycarbonate
US5037941A (en) * 1988-12-06 1991-08-06 The Dow Chemical Company Interfacial preparation of polycarbonate prepolymer with motionless mixer
US5162564A (en) * 1989-04-03 1992-11-10 General Electric Company Method for making oligomeric carbonate bischloroformates with low phosgene usage
US5037942A (en) * 1990-03-28 1991-08-06 The Dow Chemical Company Continuous motionless mixer reactor process for the production of branched polycarbonate
US5034505A (en) * 1990-07-27 1991-07-23 General Electric Company Single-step method for preparing polycarbonates from bischloroformates
DE4118232A1 (de) * 1991-06-04 1992-12-10 Bayer Ag Kontinuierliche herstellung von polycarbonaten
DE4121212A1 (de) * 1991-06-27 1993-01-14 Bayer Ag Verfahren zur herstellung von polycarbonat
DE4121213A1 (de) * 1991-06-27 1993-01-14 Bayer Ag Kontinuierliche herstellung von polycarbonaten
US5200496A (en) * 1991-07-02 1993-04-06 The Dow Chemical Company Process for preparing polycarbonate having reduced carbonate byproduct content
JP2608201B2 (ja) * 1991-07-19 1997-05-07 帝人化成株式会社 ポリカ−ボネ−トオリゴマ−の連続的製造法
US5412060A (en) * 1991-08-20 1995-05-02 Bayer Aktiengesellschaft Process for the production of polycarbonate of constant viscosity
DE4129546C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1991-09-05 1993-04-15 Bayer Ag, 5090 Leverkusen, De
DE4129545C1 (en) * 1991-09-05 1993-04-15 Bayer Ag, 5090 Leverkusen, De Prodn. of finely divided aq. sodium bis:phenolate - by mixing bisphenol=A with sodium hydroxide to ppte. prod. and stirring vigorously
DE69323807T2 (de) * 1992-07-27 1999-10-21 Mitsui Chemicals, Inc. Verfahren zur Herstellung von aromatischem Polycarbonat-Oligomer und aromatischem Polycarbonat
DE4239131C2 (de) * 1992-11-20 1998-04-09 Bayer Ag Verfahren zur Herstellung von Polycarbonaten
US5508375A (en) * 1992-12-10 1996-04-16 Bayer Aktiengesellschaft Process for the preparation of polycarbonates
PL217902B1 (pl) 2000-12-07 2014-09-30 Eastman Chem Co Sposób wytwarzania monomeru poliestru i urządzenie do wytwarzania monomeru poliestru
US6906164B2 (en) 2000-12-07 2005-06-14 Eastman Chemical Company Polyester process using a pipe reactor
US7074879B2 (en) 2003-06-06 2006-07-11 Eastman Chemical Company Polyester process using a pipe reactor
US7135541B2 (en) 2003-06-06 2006-11-14 Eastman Chemical Company Polyester process using a pipe reactor
US7332548B2 (en) 2004-03-04 2008-02-19 Eastman Chemical Company Process for production of a polyester product from alkylene oxide and carboxylic acid
US7649109B2 (en) 2006-12-07 2010-01-19 Eastman Chemical Company Polyester production system employing recirculation of hot alcohol to esterification zone
US7943094B2 (en) 2006-12-07 2011-05-17 Grupo Petrotemex, S.A. De C.V. Polyester production system employing horizontally elongated esterification vessel
US7863477B2 (en) 2007-03-08 2011-01-04 Eastman Chemical Company Polyester production system employing hot paste to esterification zone
US7868130B2 (en) 2007-07-12 2011-01-11 Eastman Chemical Company Multi-level tubular reactor with vertically spaced segments
US7868129B2 (en) 2007-07-12 2011-01-11 Eastman Chemical Company Sloped tubular reactor with spaced sequential trays
US7872090B2 (en) 2007-07-12 2011-01-18 Eastman Chemical Company Reactor system with optimized heating and phase separation
US7858730B2 (en) 2007-07-12 2010-12-28 Eastman Chemical Company Multi-level tubular reactor with dual headers
US7842777B2 (en) 2007-07-12 2010-11-30 Eastman Chemical Company Sloped tubular reactor with divided flow
US7847053B2 (en) 2007-07-12 2010-12-07 Eastman Chemical Company Multi-level tubular reactor with oppositely extending segments
US7872089B2 (en) 2007-07-12 2011-01-18 Eastman Chemical Company Multi-level tubular reactor with internal tray
US7829653B2 (en) 2007-07-12 2010-11-09 Eastman Chemical Company Horizontal trayed reactor
DE102008012613A1 (de) * 2008-03-05 2009-09-10 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonat nach dem Phasengrenzflächenverfahren
WO2015110447A1 (de) 2014-01-24 2015-07-30 Bayer Materialscience Ag Verfahren zur herstellung von polycarbonat nach dem phasengrenzflächenverfahren
EP3719052B1 (de) 2019-04-03 2022-03-02 Covestro Deutschland AG Verfahren zur herstellung von polycarbonat mit reduziertem phosgenüberschuss
ES3030312T3 (en) * 2021-05-27 2025-06-27 Basf Se Method for preparing phosgene

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133044A (en) * 1959-03-16 1964-05-12 Eastman Kodak Co Continuous process for polymerizing bisphenols and phosgene
US3646102A (en) * 1968-08-28 1972-02-29 Idemitsu Kosan Co Method for continuously preparing polycarbonate oligomer
US3674740A (en) * 1969-04-22 1972-07-04 Bayer Ag Process of producing polycarbonate
US3974124A (en) * 1973-06-06 1976-08-10 Woodall Industries Inc. Energy absorbing vehicle body material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
DE2725967A1 (de) 1977-12-15
JPS5440280B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-12-03
JPS52150496A (en) 1977-12-14
US4122112A (en) 1978-10-24

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Legal Events

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Representative=s name: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 80

8128 New person/name/address of the agent

Representative=s name: GLAESER, J., DIPL.-ING., 2000 HAMBURG KRESSIN, H.,

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee