A liquid crystal polyimide, containing: repeating units of formula (I) and having liquid crystallinity,
wherein A1 and A2 are each independently a tetravalent residue of a tetracarboxylic acid, B1 is a residue of a bis(amino) polysiloxane of formula (II), and C1 is a residue of an organic diamine,
wherein R1 to R6 are each independently a lower alkyl group, x is from 0 to 10, D1 is an alkylene group, y is 0 or 1, and Z1 is selected from the group consisting of —H, —CH3, CF3, —F, —CN and —NO2. In addition, a liquid crystal resin composition and a resin film for a semiconductor element containing the liquid crystal polyimide.
一种液晶聚
酰亚胺,包含以下重复单元(I)的液晶性质,其中A1和A2各自独立地是四
羧酸的四价残基,B1是式(II)的双(
氨基)聚
硅氧烷的残基,C1是有机二胺的残基,其中R1至R6各自独立地是较低的烷基,x为0至10,D1是烷基,y为0或1,Z1选自—H,—
CH3,
CF3,—F,—CN和—
NO2的群。此外,还提供了一种液晶
树脂组合物和用于半导体元件的
树脂膜,其中包含该液晶聚
酰亚胺。