Title:
PRODUCTION OF HEAT-RESISTANT FILMS
Document Type and Number:
Japanese Patent JPS53123455
Kind Code:
A
Abstract:
PURPOSE: To produce heat-resistant films having improved transparency and thermal dimensional stability, by casting a polymer solution consisting of a specific aromatic polyamide, an inorganic salt, and an amide solvent into films, followed by treating under specific conditions.
Inventors:
KAKITA HIDETO
NAKAUCHI JIYUN
YOSHIHARA TOSHIO
NAKAUCHI JIYUN
YOSHIHARA TOSHIO
Application Number:
JP3840477A
Publication Date:
October 27, 1978
Filing Date:
April 04, 1977
Export Citation:
Assignee:
MITSUBISHI RAYON CO
International Classes:
B29C47/00; B29B7/00; B29C31/00; B29C39/00; B29C41/12; C08J5/18; C08L77/10; (IPC1-7): B29D7/02; C08J5/18; C08L77/10