Gas Permeation Properties of Flexible Pyrolytic Membranes from Sulfonated Polyimides
作者： Weiliang Zhou , Tatsuya Watari , Hidetoshi Kita , Ken-ichi Okamoto
DOI: 10.1246/CL.2002.534
关键词:
摘要: Polyimides were prepared from dianhydride with planar structure and Cardo-type or bulky-group-containing [-C(CF3)2-] diamines. Dense flexibile flat membranes produced by the pyrolysis at relatively low temperature displayed high separation performance for C3H6/C3H8 CO2/N2 gas pairs.
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