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Title:
POLYIMIDE PRECURSOR SOLUTION COMPOSITION AND METHOD FOR PRODUCING POLYIMIDE PRECURSOR SOLUTION COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2013/105610
Kind Code:
A1
Abstract:
The present invention relates to a polyimide precursor solution composition in which a polyamic acid obtained by reacting a tetracarboxylic acid component and a diamine component is dissolved in an aqueous solvent together with a 1.6 fold molar excess of imidazoles with respect to the tetracarboxylic acid component in the polyamic acid.

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Inventors:
NAKAYAMA TAKESHIGE (JP)
TAKASAKI SUSUMU (JP)
NAKAYAMA TOMONORI (JP)
HIROSHIGE KENSUKE (JP)
Application Number:
PCT/JP2013/050324
Publication Date:
July 18, 2013
Filing Date:
January 10, 2013
Export Citation:
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Assignee:
UBE INDUSTRIES (JP)
International Classes:
C08L79/08; C08J5/18; C08K5/3445
Domestic Patent References:
WO2011030860A12011-03-17
WO2011065131A12011-06-03
WO2011086627A12011-07-21
Foreign References:
JPH10310639A1998-11-24
JP2012062344A2012-03-29
JP2013018909A2013-01-31
JPS63128025A1988-05-31
JP2002348374A2002-12-04
JP2005015629A2005-01-20
JP2002161136A2002-06-04
JPH0859832A1996-03-05
JP2002226582A2002-08-14
JP2010202729A2010-09-16
Other References:
POLYMER, vol. 47, 2006, pages 2337
M.HASEGAWA, HIGH PERFORM. POLYM., vol. 13, 2001, pages S93 - S106
See also references of EP 2803702A4
Attorney, Agent or Firm:
ITO, Katsuhiro et al. (JP)
Katsuhiro Ito (JP)
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Claims:



 
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