共聚物链结构对共聚型含氟聚酰亚胺薄膜性能的影响

张明艳,刘居,杨振华,王登辉,吴子剑

Effect of Copolymer Chain Structure on Properties of Fluorinated Copolyimide Film

Mingyan ZHANG,Ju LIU,Zhenhua YANG,Denghui WANG,Zijian WU

表1 二酐单体的比例

Table 1 Dianhydride Monomer ratio

Number Dianhydride Monomer Molar Ratio BPDA Feeding Frequency PI-1a n(6FDA):n(BPDA) =0.45:1 1 PI-1b n(6FDA):n(BPDA) =0.45:1 2 PI-1c n(6FDA):n(BPDA) =0.45:1 4 PI-2a n(6FDA):n(BPDA) =0.90:1 1 PI-2b n(6FDA):n(BPDA) =0.90:1 2 PI-2c n(6FDA):n(BPDA) =0.90:1 4 PI-3a n(6FDA):n(BPDA) =1.80:1 1 PI-3b n(6FDA):n(BPDA) =1.80:1 2 PI-3c n(6FDA):n(BPDA) =1.80:1 4