4Kim I C,Kim J H,Lee K H,et al.Preparation of soluble polyimides and ultrafiltration membrane performances[J].Journal of Applied Polymer Science,2000,1(75):1-9.
5Eichstadt A E,Ward T C,Bagwell M D,et al.Synthesis and characterization of amorphous partially aliphatic polyimide copolymers based on bisphenol-A dianhydrides[J].Macromolecules,2002,20(35):7561-7568.
6Lu Q H,Yin J,Xu H J,et al.Preparation and properties of organo-soluble polyimides based-on 4,4'-diamino-3,3'-dimethyldipheylmethane and conventional dianhydrides[J].Journal of Applied Polymer Science,1999,10(72):1299-1304.
7Ayala D,Lozano A E,Abajo J D,et al.Synthesis and characterization of novel polyimides with bulky pendant groups[J].Journal of Applied Polymer Science:Part A:Polymer Chemistry,1999,6(37):805-814.
8Li F,Fang S W,Ge J J,et al.Diamine architecture effects on glass transitions,relaxation processes and other material properties in organo-soluble aromatic polyimide films[J].Polymer,1999,16(40):4571-4583.
9Yen C T,Chen W C,Liaw D J,et al.Synthesis and properties of new polyimide-silica hybrid films through both intrachain and interchain bonding[J].Polymer,2003,23(44):7079-7087.
