SYNTHESES AND CHARACTERIZATION OF A NEW TYPE OF LIQUID CRYSTALLINE POLYESTERS

被引:0
|
作者
白如科
吴承佩
邹应芳
孙武
潘才元
Toshiyuki Uryu
机构
[1] Anhui
[2] Department of Materials Science and Engineering
[3] Faculty of Engineering
[4] Hefei
[5] Institute of Industrial Science
[6] Japan
[7] Minato-ku
[8] Roppongi
[9] Tokyo 106
[10] University of Science and Technology of China
[11] University of Tokyo
关键词
New liquid crystalline polyesters; Synthesis; Interfacial polymerization; Phase transition temperature; Texture of liquid crystalline polymers;
D O I
暂无
中图分类号
O632 [碳链聚合物];
学科分类号
摘要
A new type of liquid crystalline polyesters with resorcin as one part of the mesogenic unitconnected together by polymethylene, or phenylene group, and lateral groups consisting of arigid azobenzene as another part of the mesogenic unit were synthesized by interfacialpolymerization of diacyl chlorides in 1, 2-dichloroethane and 2, 4-dihydroxy-4’-nitroazobenzen inaqueous alkaline solution. The polyester structures were confirmed by proton NMR and IRspectra. Their phase transition behavior and texture were studied by polarizing microscopy andDSC.
引用
收藏
页码:221 / 227
页数:7
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