STUDY ON SYNTHESES AND PROPERTIES OF SOME NOVEL POLYIMIDES CONTAINING BISTHIAZOLE RINGS

SUN Weilin; GAO Xuesong; LU Fengcai

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STUDY ON SYNTHESES AND PROPERTIES OF SOME NOVEL POLYIMIDES CONTAINING BISTHIAZOLE RINGS

Papers | Updated：2021-06-21

- STUDY ON SYNTHESES AND PROPERTIES OF SOME NOVEL POLYIMIDES CONTAINING BISTHIAZOLE RINGS
- Vol. 15, Issue 4, Pages: 325-331(1997)
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- Published：20 December 1997
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SUN Weilin, GAO Xuesong, LU Fengcai. STUDY ON SYNTHESES AND PROPERTIES OF SOME NOVEL POLYIMIDES CONTAINING BISTHIAZOLE RINGS[J]. 1997, 15(4): 325-331.
DOI：

SUN Weilin, GAO Xuesong, LU Fengcai. STUDY ON SYNTHESES AND PROPERTIES OF SOME NOVEL POLYIMIDES CONTAINING BISTHIAZOLE RINGS[J]. 1997, 15(4): 325-331. DOI：

摘要

Some nove polyimides containing bisthiazole rings were prepared by reacting 2

2'-diamino-4

4'-bisthiazole (DABT) with different aromatic dianhydride. The polyimidesobtained had inherent viscosities of 0.37--0.82 dl/g. Thermogravimetric analysis of thepolyimides showed good thermal stability the temperature at 5% weight loss being from450°to 560℃. The permeability of two polymer membranes to H2

O2 and N2 was deter-mined

respectively Three kinds of polyimide films were converted into electrical conductor by pyrolysis at high temperature in nitrogen atmosphere.The maximum room temperature conductivity as high as 3.9×102S/cm for PI film pyrolyzed at 1200℃ for 10 min was obtained

and it was very stable in air.

Abstract

Some nove polyimides containing bisthiazole rings were prepared by reacting 2

2'-diamino-4

O2 and N2 was deter-mined

and it was very stable in air.

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