申请人:Kanegafuchi Chemical Industry Co., Ltd.
公开号:EP0276405A2
公开(公告)日:1988-08-03
The present invention provides a copolyimide characterized in that the copolyimide contains units represented by formulas (I) and (II)
(wherein R₀ represents an aromatic tetracarboxylic residue).
The polyimide has excellent thermal dimensional stability, and can be fabricated by using conventional inexpensive materials.
本发明提供了一种共聚亚胺,其特征在于该共聚亚胺含有由式 (I) 和 (II) 所代表的单元
(其中 R₀ 代表芳香族四羧基残基)。
这种聚酰亚胺具有优异的热尺寸稳定性,可使用传统的廉价材料制造。