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BR9812888A - Preparation of dihydroxydiphenyl-co-polycarbonates by esterification of melt - Google Patents

Preparation of dihydroxydiphenyl-co-polycarbonates by esterification of melt

Info

Publication number
BR9812888A
BR9812888A BR9812888-4A BR9812888A BR9812888A BR 9812888 A BR9812888 A BR 9812888A BR 9812888 A BR9812888 A BR 9812888A BR 9812888 A BR9812888 A BR 9812888A
Authority
BR
Brazil
Prior art keywords
polycarbonates
melt
preparation
dihydroxydiphenyl
esterification
Prior art date
Application number
BR9812888-4A
Other languages
Portuguese (pt)
Inventor
Annett Dr Koenig
Rolf Dr Wehrmann
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR9812888A publication Critical patent/BR9812888A/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
    • 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
    • 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
    • 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

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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Patente de Invenção: <B>"PREPARAçãO DE DIHIDROXIDIFENIL-CO-POLICARBONATOS POR ESTERIFICAçãO DE FUNDIDO"<D>. é objeto da presente invenção um processo para preparação de co-policarbonatos especiais a partir de dihidroxidifenilenos de acordo com o processo para preparação de policarbonato no fundido com emprego de piperidinas e morfolinas N-alquilsubstituídas como catalisadores.Invention Patent: <B> "PREPARATION OF DIHYDROXYDIPHYEN-CO-POLYCARBONATES BY CAST STERIFICATION" <D>. The object of the present invention is a process for preparing special co-polycarbonates from dihydroxydiphenylenes according to the process for preparing polycarbonate in the melt using substituted N-alkyl piperidines and morpholines as catalysts.

BR9812888-4A 1997-10-10 1998-09-30 Preparation of dihydroxydiphenyl-co-polycarbonates by esterification of melt BR9812888A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19744693A DE19744693A1 (en) 1997-10-10 1997-10-10 Production of thermoplastic copolycarbonates useful for moldings resistant to chemicals
PCT/EP1998/006212 WO1999019380A1 (en) 1997-10-10 1998-09-30 Preparation of dihydroxydiphenyl-copolycarbonates by melt re-esterification

Publications (1)

Publication Number Publication Date
BR9812888A true BR9812888A (en) 2000-08-08

Family

ID=7845093

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9812888-4A BR9812888A (en) 1997-10-10 1998-09-30 Preparation of dihydroxydiphenyl-co-polycarbonates by esterification of melt

Country Status (13)

Country Link
EP (1) EP1023357A1 (en)
JP (1) JP2001520242A (en)
KR (1) KR20010031016A (en)
CN (1) CN1266442A (en)
AU (1) AU9541798A (en)
BR (1) BR9812888A (en)
CA (1) CA2306157A1 (en)
DE (1) DE19744693A1 (en)
ID (1) ID24573A (en)
IL (1) IL135003A0 (en)
NO (1) NO20001167L (en)
TW (1) TW426704B (en)
WO (1) WO1999019380A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA03002581A (en) * 2000-09-26 2004-04-20 Bayer Ag Copolycarbonate-based composition.
JP2002114841A (en) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc Optical part
JP2002114842A (en) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc Polycarbonate resin and optical part composed by including the same
JP4514080B2 (en) * 2000-12-28 2010-07-28 三井化学株式会社 Polycarbonate resin composition and optical component comprising the same
US6608163B2 (en) 2001-01-17 2003-08-19 General Electric Company Polycarbonate copolymers having improved hydrolytic stability
DE10135465A1 (en) * 2001-07-20 2003-02-06 Bayer Ag Polycarbonate blends
US7183371B2 (en) * 2004-11-01 2007-02-27 General Electric Company Method for making polycarbonate
CN102464545A (en) 2010-11-11 2012-05-23 中国石油天然气股份有限公司 A kind of method for preparing 1-octene by ethylene oligomerization
TWI693244B (en) * 2015-01-20 2020-05-11 德商科思創德意志股份有限公司 Preparation of highly heat-resistant (co) polycarbonates by the transesterification method
EP4477686A4 (en) * 2022-02-07 2025-04-09 Mitsubishi Chemical Corporation Polycarbonate resin composition

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735775A1 (en) * 1977-08-09 1979-02-22 Bayer Ag PROCESS FOR THE PRODUCTION OF POLYCARBONATE
JPS61264020A (en) * 1985-05-17 1986-11-21 Idemitsu Kosan Co Ltd Aromatic polycarbonate and its manufacturing method
DE3919046A1 (en) * 1989-06-10 1990-12-20 Bayer Ag NEW THERMOTROPE POLYCARBONATES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE FOR THE PRODUCTION OF MOLDED BODIES, FILAMENTS, FIBERS AND FILMS
JPH05117382A (en) * 1991-10-29 1993-05-14 Nippon G Ii Plast Kk Copolymerized polycarbonate, its production and composition composed thereof
US5475079A (en) * 1993-04-28 1995-12-12 Daicel Chemical Industries, Ltd. (CO) polycarbonate composition and process for preparing the same
JPH08165341A (en) * 1994-12-15 1996-06-25 Idemitsu Kosan Co Ltd Method for producing polycarbonate

Also Published As

Publication number Publication date
AU9541798A (en) 1999-05-03
EP1023357A1 (en) 2000-08-02
NO20001167D0 (en) 2000-03-07
KR20010031016A (en) 2001-04-16
ID24573A (en) 2000-07-27
IL135003A0 (en) 2001-05-20
NO20001167L (en) 2000-03-07
JP2001520242A (en) 2001-10-30
CA2306157A1 (en) 1999-04-22
WO1999019380A1 (en) 1999-04-22
TW426704B (en) 2001-03-21
CN1266442A (en) 2000-09-13
DE19744693A1 (en) 1999-04-15

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A , 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1838 DE 28/03/2006.