Synthesis and characterization of novel cyano-functionalized poly(aryl ether ketone)s

被引：0
|
作者：
Alan G. MacDiarmid Lab, College of Chemistry, Jilin University, Xiuzheng Road, 1788, Changchun, 130012, P. R., China [1 ]
机构：
来源：
E-Polymers | 2009年
关键词：
Elastic moduli - Ethers - Glass - Glass transition - Ketones - Organic polymers - Temperature - Tensile strength;
D O I：
10.1515/epoly.2009.9.1.997
中图分类号：
学科分类号：
摘要：
Abstract: A series of cyanophenyl-substituted poly(aryl ether ketone)s (PAEKs) have been successfully synthesized from two new bisphenol monomers, (3,4-dicyano) phenylhydroquinone and (4-cyano) phenylhydroquinone respectively, and the thermal behaviour and the solubility have been characterized. These polymers exhibited high glass transition temperatures and excellent thermal stability. The glass transition temperatures ranged from 173 to 217 oC, and 5% weight-loss temperatures were above 470 oC. The solubilities of these polymers have been remarkably improved in common organic solvents over PEEK and PEN. Some polymers formed transparent, strong, and flexible films, with tensile strength of 106.5-125.2 MPa, Young's moduli of 2.68-3.20 GPa, and elongations at break of 9-16 %.
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