Citation: Wei Lin SUN, Feng Cai LU. SYNTHESIS AND PROPERTIES OF SOME NEW POLYIMIDES CONTAINING BITHIAZOLE RINGS[J]. Chinese Chemical Letters, ;1996, 7(4): 313-316. shu

SYNTHESIS AND PROPERTIES OF SOME NEW POLYIMIDES CONTAINING BITHIAZOLE RINGS

Wei Lin SUN ,
Feng Cai LU

Institute of Chemistry, Academia Sinica, Beijing 100080

Received Date: 24 August 1995

Some new polyimides containing bithiazole rings were prepared by reacting 2,2'-diamino-4,4'-bisthiazole with different aromatic dianhydrides.The polyimides obtained had inherent viscosities of 0.37-0.82 dL/g.Thermogravimetric analysis of the polyimides showed good thermal stability,the temperature at 5% weight loss being from 450℃ to 560℃.The permeability of two polymer membranes to H₂,O₂ and N₂ was determined.
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