BE1007238A3 - Procede pour la preparation de polycarbonates. - Google Patents

Procede pour la preparation de polycarbonates. Download PDF

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Publication number
BE1007238A3
BE1007238A3 BE9300699A BE9300699A BE1007238A3 BE 1007238 A3 BE1007238 A3 BE 1007238A3 BE 9300699 A BE9300699 A BE 9300699A BE 9300699 A BE9300699 A BE 9300699A BE 1007238 A3 BE1007238 A3 BE 1007238A3
Authority
BE
Belgium
Prior art keywords
hydroxyphenyl
bis
oligocarbonates
crystalline
preparation
Prior art date
Application number
BE9300699A
Other languages
English (en)
French (fr)
Inventor
Hans Juergen Rosenkranz
Hans-Josef Buysch
Steffen Kuehling
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
Application granted granted Critical
Publication of BE1007238A3 publication Critical patent/BE1007238A3/fr

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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
    • C08G64/20General preparatory processes
    • C08G64/30General preparatory processes using carbonates

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  • 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)
BE9300699A 1992-07-13 1993-07-07 Procede pour la preparation de polycarbonates. BE1007238A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4223016A DE4223016C2 (de) 1992-07-13 1992-07-13 Verfahren zur Herstellung von Polycarbonaten

Publications (1)

Publication Number Publication Date
BE1007238A3 true BE1007238A3 (fr) 1995-05-02

Family

ID=6463098

Family Applications (1)

Application Number Title Priority Date Filing Date
BE9300699A BE1007238A3 (fr) 1992-07-13 1993-07-07 Procede pour la preparation de polycarbonates.

Country Status (4)

Country Link
BE (1) BE1007238A3 (it)
DE (1) DE4223016C2 (it)
IT (1) IT1261812B (it)
NL (1) NL194948C (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100354801B1 (ko) * 1995-02-03 2003-02-17 이데미쓰세끼유가가꾸가부시끼가이샤 폴리카보네이트의제조방법
WO1997019975A1 (en) * 1995-11-27 1997-06-05 Idemitsu Petrochemical Co., Ltd. Processes for the production of polycarbonate
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0338085A1 (en) * 1987-09-28 1989-10-25 Asahi Kasei Kogyo Kabushiki Kaisha Process for preparing crystallized aromatic polycarbonate and crystallized aromatic polycarbonate obtained by the process
DE4038768A1 (de) * 1989-12-13 1991-06-20 Bayer Ag 2-stufen-verfahren zur herstellung von aromatischen polycarbonaten ohne phosgenverwendung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306057A (en) * 1978-03-27 1981-12-15 General Electric Company Solvent sweeping of polycarbonates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0338085A1 (en) * 1987-09-28 1989-10-25 Asahi Kasei Kogyo Kabushiki Kaisha Process for preparing crystallized aromatic polycarbonate and crystallized aromatic polycarbonate obtained by the process
DE4038768A1 (de) * 1989-12-13 1991-06-20 Bayer Ag 2-stufen-verfahren zur herstellung von aromatischen polycarbonaten ohne phosgenverwendung

Also Published As

Publication number Publication date
DE4223016C2 (de) 1998-01-22
NL9301106A (nl) 1994-02-01
ITRM930445A0 (it) 1993-07-07
NL194948C (nl) 2003-08-04
NL194948B (nl) 2003-04-01
ITRM930445A1 (it) 1995-01-07
DE4223016A1 (de) 1994-01-20
IT1261812B (it) 1996-06-03

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Effective date: 20050731