THE SYNTHESIS, CHARACTERIZATION AND ELECTRICAL PROPERTYS OF SOLUBLE CONJUGATED POLYSCHIFF BASES

LI Chun-sheng; LI kiao-chang; LI Shi-jin

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THE SYNTHESIS, CHARACTERIZATION AND ELECTRICAL PROPERTYS OF SOLUBLE CONJUGATED POLYSCHIFF BASES

Research Article | 更新时间：2021-03-19

- THE SYNTHESIS, CHARACTERIZATION AND ELECTRICAL PROPERTYS OF SOLUBLE CONJUGATED POLYSCHIFF BASES
- Acta Polymerica Sinica Issue 4, Pages: 418-425(1994)
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- Published：20 August 1994，
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LI Chun-sheng, LI kiao-chang, LI Shi-jin. THE SYNTHESIS, CHARACTERIZATION AND ELECTRICAL PROPERTYS OF SOLUBLE CONJUGATED POLYSCHIFF BASES. [J]. Acta Polymerica Sinica (4):418-425(1994)
DOI：

LI Chun-sheng, LI kiao-chang, LI Shi-jin. THE SYNTHESIS, CHARACTERIZATION AND ELECTRICAL PROPERTYS OF SOLUBLE CONJUGATED POLYSCHIFF BASES. [J]. Acta Polymerica Sinica (4):418-425(1994) DOI：

摘要

本文以对苯二胺分别与乙二醛、丁二酮、３，４－己二酮和４，５－辛二酮缩聚合成了四种主链结构相同而侧基各异的新颖共轭性聚席夫碱．采用红外光谱和元素分析等方法对聚合物进行了表征．发现带有侧烷基的共轭性聚席夫碱能溶于一般有机溶剂；不同侧基的聚席夫碱溶解性是：两基聚席夫碱＞乙基聚席夫碱＞甲基聚度夫碱．测定了四种共轭聚席夫碱的本征导电率及其与温度的关系，结果表明，聚合物具有半导体性质．当聚合物以碘掺杂后，导电率可从１０－１１－１０－１２Ｓ／ｃｍ增加到１０－３－１０－４Ｓ／ｃｍ．探讨了共轭聚合物的侧基取代对掺杂后导电性的影响．

Abstract

onjugated poly schiff bases with same back bone but different side groups have ho prepared by polycondensahon of 1

4-diaminobenzene with glyoxal

3-butanedione

4-hexanedione and 4

5-octanedione respectively. The polymers were characterized by FT-IR

elemental analysis

etc'

It' was found that the conjugated poly sehiff bases with alkyl side groups can be dissolved in common organic solvents

and the solubility of the polymers were in the order of propyl>ethyl>methyl. EleCtrical conductivihes of the pristine polymers and their dependence on temperature were measured

showing that the polymers are typical semiconductors. When the polymers were doped with iodine

electrical con-ductivity increased by 7-9 orders of magnitute (up to 10-3-10-4s/cm).The ef-fect of side groups on the conductivity of the I2-doped polymers were discussed.

关键词

共轭聚合物聚席夫碱电性能溶解性合成表征

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Center for Degradable and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials Sichuan, Sichuan University

大连理工大学高分子材料研究所

辽宁省高分子科学与工程重点实验室

辽宁省高性能树脂工程技术研究中心

College of Chemistry & Chemical Engineering,Xinjiang University

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