Title:
POLYIMIDE PRECURSOR, METHOD FOR PRODUCING THE SAME, AND POLYIMIDE
Document Type and Number:
Japanese Patent JP2012041529
Kind Code:
A
Abstract:
To provide a polyimide precursor using an alicyclic diamine, which is produced by a production method suitable for actual industrial production and good in handleability and storage stability.
The polyimide precursor comprises unit structures represented by general formula (1), wherein R1 is a hydrogen atom or a 1C-4C alkyl group; and R2 and R3 are each independently a hydrogen atom or a 3C-9C alkylsilyl group, wherein at least one of R2 and R3 is a 3C-9C alkylsilyl group.
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Inventors:
TAKAZAWA RYOICHI
OKA TAKUYA
KOHAMA YUKINORI
NAKAGAWA MIHARU
NAKAYAMA TAKENARI
NAKAYAMA TOMONORI
OKA TAKUYA
KOHAMA YUKINORI
NAKAGAWA MIHARU
NAKAYAMA TAKENARI
NAKAYAMA TOMONORI
Application Number:
JP2011159898A
Publication Date:
March 01, 2012
Filing Date:
July 21, 2011
Export Citation:
Assignee:
UBE INDUSTRIES
International Classes:
C08G73/10
Domestic Patent References:
JP2009192760A | 2009-08-27 | |||
JP2008107766A | 2008-05-08 |
Foreign References:
WO2009107429A1 | 2009-09-03 |