文献类型：期刊文献

英文题名：STRUCTURE AND IONIC-CONDUCTIVITY OF GRAFT POLYESTER NETWORKS CONTAINING LITHIUM PERCHLORATE

作者：Fang, Bin[1]; Pu, Chun[1]; Ying, Sheng Kang[1]

机构：[1]E CHINA UNIV CHEM TECHNOL,INST MAT SCI & ENGN,SHANGHAI 200237,PEOPLES R CHINA

年份：1993

卷号：29

期号：6

起止页码：799

外文期刊名：EUROPEAN POLYMER JOURNAL

收录：;EI(收录号：1993101056253);WOS:【SCI-EXPANDED(收录号:WOS:A1993LB56900006)】；

语种：英文

外文关键词：Crosslinking - Ionic conduction - Lithium compounds - Polyethers - Structure (composition)

摘要：Various poly(ethyene oxide) (PEO) macromers (PEO-MA) have been synthesized, characterized and used as crosslinking agents to crosslink unsaturated polyesters having PEO600 segments in the polyester chains and containing LiClO4. The crosslinking reaction between the unsaturated polyester and macromers went quite well and was controlled by means of a diffusion effect. The ionic conductivities of these so-called graft polyester networks were found to be related to the molecular weight of macromers at ambient temperature in the order PEO2000-MA < PEO400-MA < PEO600-MA < PEO800-MA for the same [EO unit]/[Li+](=50). For the PEO800-MA graft polyester network, sigma was 3.3 x 10(-5) Scm-1 at ambient temperature and for the PEO2000-MA system sigma was 6.0 x 10(-6) Scm-1 In the latter case. there were some crystals in the system while the other systems were completely amorphous. For these amorphous systems, the above sequence could be correlated with their T(g)s.