Liquid crystal polyimide, liquid crystal resin composition containing same, and resin film for semiconductor elements
申请人:Ueda Mitsuru
公开号:US08415451B2
公开(公告)日:2013-04-09
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。