F.W. Harris S.L.C. Hsu 이철주 B.S. Lee F. Arnold S.Z.D. Cheng 2024-01-22T00:03:02Z 2024-01-22T00:03:02Z 2022-01-10 1991-01 https://pubs.kist.re.kr/handle/201004/146881 Organo-soluble, segmented rigid-rod polyimides: synthesis and properties. Article 3 Mat. Res. Soc. Symp. Proc., v.v. 227, pp.3 - 9 Mat. Res. Soc. Symp. Proc. v. 227 3 9 segmented rigid-rod polyimides dianhydride