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Title:
ポリイミドフィルム
Document Type and Number:
Japanese Patent JP4264214
Kind Code:
B2
Abstract:
An oriented polyimide film of high strength and a production process therefor. The process basically comprises stretching a gelled film and then imidating the film. The gelled film is formed by introducing a polyamic acid solution into a condensation agent solution. The gelled film is swollen with a solvent at the time of stretching.

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Inventors:
Jiro Sadanobu
Nishio Rei
Honda Kan
Tsutomu Nakamura
Application Number:
JP2001578537A
Publication Date:
May 13, 2009
Filing Date:
April 20, 2001
Export Citation:
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Assignee:
Teijin Limited
International Classes:
C08J5/18; B29C41/12; B29C41/24; B29C55/00; B29C55/12; B29D7/01; C08G73/10; C08K5/20; C08K5/3415; C08K5/3445; C08L79/08; B29K79/00; B29K105/24; B29L7/00
Domestic Patent References:
JP6277921A
JP62294519A
JP636028A
Attorney, Agent or Firm:
Masataka Oshima



 
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