SYNTHESIS OF POLYACETYLENE WITH HIGH STRENGTH AND CONDUCTIVITY—Effect of Ether Solvents on Properties

WANG Dai-ke; ZHAO Xiao-jiang; ZHANG Chang-shan; WANG Fo-song

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SYNTHESIS OF POLYACETYLENE WITH HIGH STRENGTH AND CONDUCTIVITY—Effect of Ether Solvents on Properties

Research Article | 更新时间：2021-03-19

- SYNTHESIS OF POLYACETYLENE WITH HIGH STRENGTH AND CONDUCTIVITY—Effect of Ether Solvents on Properties
- Acta Polymerica Sinica Issue 2, Pages: 155-161(1990)
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- Published：20 April 1990，
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WANG Dai-ke, ZHAO Xiao-jiang, ZHANG Chang-shan, WANG Fo-song. SYNTHESIS OF POLYACETYLENE WITH HIGH STRENGTH AND CONDUCTIVITY—Effect of Ether Solvents on Properties. [J]. Acta Polymerica Sinica (2):155-161(1990)
DOI：

WANG Dai-ke, ZHAO Xiao-jiang, ZHANG Chang-shan, WANG Fo-song. SYNTHESIS OF POLYACETYLENE WITH HIGH STRENGTH AND CONDUCTIVITY—Effect of Ether Solvents on Properties. [J]. Acta Polymerica Sinica (2):155-161(1990) DOI：

摘要

通过选用不同醚类结构做溶剂加热回流Ti(OBu)4-AIEt3催化剂

并采用非溶剂聚合方法进行乙炔聚合发现

所得HPPA膜的强度和电导率都有了较大提高。其中直链醚制得的PA膜强度(抗张强度大于100MPa)和空气稳定性比用环醚得到的PA膜高得多

但用前者时的乙炔聚合速率远低于后者。两体系得到的HPPA膜的碘掺杂电导率值相近(～103S/cm)

拉伸后可达104S/cm量级。SEM、TEM及IR光谱的结果表明

不同醚制得的PA膜的纤维束直径及顺式含量有较大差别。

Abstract

The highly strong and conducting PA films were synthesized using ether-Ti (OBu)4-AlEt3 catalyst which was

treated by heating and using non-solvent polymerization method. The strength (over 102 MPa for tensile strength)

stability and apparent density of PA film obtained in alkyl ethers (dibutyl and di-isopentyl ethers) are higher than that obtained in ring ethers (THF and dioxane)

while the polymerization rate of the former is lower than that of the latter. Both PA films have the similar conductivities of 103S/cm and 104S/cm for stretched PA film. The results of SEM

TEM and IR spectra show that the fibre diameter and cis-PA content of PA films obtained by different ether solvents were quite different.

关键词

聚乙炔醚类溶剂加热催化剂非溶剂聚合反应

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