Title:
PRODUCTION OF AROMATIC POLYCARBONATE
Document Type and Number:
Japanese Patent JP3353411
Kind Code:
B2
Abstract:
PURPOSE: To produce an arom. polycarbonate excellent in heat resistance.
CONSTITUTION: An arom. polycarbonate is produced by the melt polycondensation of an arom. diol compd. with a carbonic diester compd. using a cesium salt as a transesterification catalyst under the condition that the salt is fed into the reaction system as an aq. soln.
Inventors:
Masuzo Yokoyama
Yukiko Tatsukawa
Junji Takano
Yukiko Tatsukawa
Junji Takano
Application Number:
JP22989093A
Publication Date:
December 03, 2002
Filing Date:
September 16, 1993
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C08G64/04; C08G64/00; C08G64/20; C08G64/30; (IPC1-7): C08G64/30
Domestic Patent References:
| JP6340738A |
Attorney, Agent or Firm:
Koji Hasegawa