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Patent Searching and Data


Title:
LOW EXPANSION POLYIMIDE, RESIN COMPOSITION AND ARTICLE
Document Type and Number:
Japanese Patent JP2007099951
Kind Code:
A
Abstract:

To provide a polyimide resin composition by using inexpensive, high heat-resistant aromatic dicarboxylic dianhydride to obtain low thermal expansion polyimide and polyimide resin composition that is useful as a resin material for forming products or parts having a high level of low linear thermal expansion by using the above stated polyimide and further provide products or parts having excellent heat resistance by using the resin composition.

The polyimide has a recurring unit represented by formula (1) (wherein R1 to R6 are each H or a monovalent organic group wherein they may connect with each other, R7 is a divalent organic group) and the resin composition includes the polyimide and the articles are produced by using the resin composition at least partially.


Inventors:
Sakayori, Katsuya
Application Number:
JP2005000292995
Publication Date:
April 19, 2007
Filing Date:
October 05, 2005
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
C08G73/10; C09D11/02; C09D179/08; H01B3/30