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Title:
PRODUCTION OF POLYCARBONATE FILM
Document Type and Number:
Japanese Patent JPH08325390
Kind Code:
A
Abstract:

PURPOSE: To produce a polycarbonate film excellent in surface properties, transparency and optical homogeneity.

CONSTITUTION: At least a part of step for drying a film is carried out by heating with microwaves in casting a dope prepared by dissolving 10-35 pts.wt. polycarbonate resin in 65-90 pts.wt. solvent containing ≥60wt.% 1,3-dioxolane onto a supporting substrate and producing the film.


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Inventors:
SASAKI TAKESHI
YONEMURA ARITAMI
NITTA HIDEAKI
IWATA KAORU
Application Number:
JP13505295A
Publication Date:
December 10, 1996
Filing Date:
June 01, 1995
Export Citation:
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Assignee:
TEIJIN LTD
International Classes:
C08J5/18; B29C41/12; B29C41/46; C08G64/00; C08G64/04; B29K69/00; B29L7/00; (IPC1-7): C08J5/18; B29C41/12; B29C41/46; C08G64/04
Attorney, Agent or Firm:
Maeda Junhiro



 
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