Title:
MULTILAYER POLYIMIDE FILM, METHOD FOR PRODUCING MULTILAYER POLYIMIDE FILM, POLYIMIDE LAMINATE PRODUCED USING SAID MULTILAYER POLYIMIDE FILM, AND CO-POLYIMIDE WHICH CAN BE USED IN SAID PRODUCTS
Document Type and Number:
WIPO Patent Application WO/2016/013627
Kind Code:
A1
Abstract:
Disclosed is a multilayer polyimide film which comprises a layer (A) containing a thermoplastic polyimide (A) having a glass transition temperature of lower than 240ºC and a layer (B) containing a heat-resistant polyimide (B) having a glass transition temperature of 240ºC or higher, said multilayer polyimide film being characterized in that the thermoplastic polyimide (A) is a polyimide having a repeating unit represented by general formula (1). [In the formula, X1 represents a residue of a tetracarboxylic acid and is selected from groups represented by general formula (2) (wherein R1 to R20 independently represent a hydrogen atom, an alkyl group or a halogen atom).]
Inventors:
TAKASAWA RYOICHI (JP)
MIURA NORIO (JP)
YOKOZAWA TADAHIRO (JP)
MIURA TORU (JP)
WATANABE HIDEAKI (JP)
MIURA NORIO (JP)
YOKOZAWA TADAHIRO (JP)
MIURA TORU (JP)
WATANABE HIDEAKI (JP)
Application Number:
PCT/JP2015/071012
Publication Date:
January 28, 2016
Filing Date:
July 23, 2015
Export Citation:
Assignee:
UBE INDUSTRIES (JP)
International Classes:
C08G73/10; C09J7/35; B32B27/34; C09J179/08
Foreign References:
| JP2003306649A | 2003-10-31 | |||
| JP2004155911A | 2004-06-03 | |||
| JP2011173423A | 2011-09-08 | |||
| JP5019874B2 | 2012-09-05 |
Attorney, Agent or Firm:
ITO, Katsuhiro et al. (JP)
Katsuhiro Ito (JP)
Katsuhiro Ito (JP)
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