申请人:NISSAN CHEMICAL INDUSTRIES. LTD.
公开号:US20160264520A1
公开(公告)日:2016-09-15
To provide a novel diamine, and a polyimide precursor and a polyimide using it. A diamine represented by the formula (1):
wherein each of X
1
and X
5
which are independent of each other, is a single bond or the like; each of X
2
and X
4
which are independent of each other, is —CH
2
— or the like; X
3
is a C
1-6
alkylene or the like; each of Y
1
and Y
2
which are independent of each other, is a single bond or the like; R is a C
1-20
linear, branched or cyclic hydrocarbon group; and a is 0 or 1).
提供一种新颖的二胺,以及使用它的聚酰亚胺前体和聚酰亚胺。一种由式(1)表示的二胺:其中X1和X5中的每一个独立的,是单键或类似物;X2和X4中的每一个独立的,是—CH2—或类似物;X3是C1-6烷基或类似物;Y1和Y2中的每一个独立的,是单键或类似物;R是C1-20线性、支链或环烃基;a为0或1。