The present invention provides an amic acid ester oligomer having a structure of Formula (1) or (1′):
wherein G, P, R, Rx, D, E and m are as defined in the specification. The present invention also provides a polyimide precursor composition comprising the amic acid ester oligomer, as well as a polyimide prepared from the composition.
本发明提供了一种具有式(1)或(1′)结构的胺基酸酯低聚物:
其中 G、P、R、Rx、D、E 和 m 如说明书中所定义。本发明还提供了一种聚
酰亚胺前体组合物,该组合物中包含该胺基酸酯低聚物,以及由该组合物制备的聚
酰亚胺。