申请人:Mitsui Chemicals, Inc.
公开号:US20030092870A1
公开(公告)日:2003-05-15
The aromatic diamine compound of the present invention is represented by the following formula (1), and from the aromatic diamine compound a polyimide having a repeating unit represented by the following formula (4), which has low-temperature adherability, can be obtained.
1
In the formulas (1) and (4), n is an integer of 3 to 7, each R is independently an atom or a group selected from the group consisting of a hydrogen atom, a halogen atom and a hydrocarbon group, the same or different two hetero atoms selected from nitrogen atoms and oxygen atoms bonded to each benzene ring are at the ortho- or meta-positions to each other on at least one benzene ring, and when n is 3, the hetero atoms are at the ortho- or meta-positions to each other on all the benzene rings. In the formula (4), Y is a tetravalent organic group.
本发明的芳香族二胺化合物由以下式(1)表示,从该芳香族二胺化合物可以得到具有低温粘附性的重复单元由以下式(4)表示的聚酰亚胺。
在式(1)和式(4)中,n是3到7的整数,每个R独立地是氢原子、卤素原子和烃基所选的原子或基团,所选的两个异原子从氮原子和氧原子中选择,它们与至少一个苯环上的另一个异原子连接在邻位或间位上,当n为3时,异原子在所有苯环上都在邻位或间位上。在式(4)中,Y是四价有机基团。