Title:
【発明の名称】自立性ポリイミドフィルムの製造方法
Document Type and Number:
Japanese Patent JP3261411
Kind Code:
B2
Abstract:
Disclosed is a method of making a free-standing polyimide film. A solution is prepared of a polyamic acid 20 to 98% imidized in an organic solvent and a coating of the solution is applied to a non-stick substrate. The coating is heated to a temperature high enough to evaporate all but 1 to 20 wt % of the solvent and form a film. The film is removed from the substrate and is heated to evaporate the solvent to less than 1000 ppm.
Inventors:
Choi Jin O
Application Number:
JP51893497A
Publication Date:
March 04, 2002
Filing Date:
November 12, 1996
Export Citation:
Assignee:
Sumitomo Bakelite Co., Ltd.
International Classes:
B29C41/24; C08G73/10; C08J5/18; C09J179/08; B29K77/00; B29L7/00; (IPC1-7): C08J5/18; B29C41/24; C08G73/10; C09J179/08
Domestic Patent References:
| JP6155177A | ||||
| JP5105756A | ||||
| JP5310934A | ||||
| JP62214927A | ||||
| JP2124971A |
Attorney, Agent or Firm:
Minoru Nakamura (7 outside)