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Abnormalities in electrical and acoustic properties of thermoplastic polyurethane

 

作者: A. V. Volkova,   A. N. Domkin,   V. V. Strachov,  

 

期刊: Polymer International  （WILEY Available online 1993）
卷期: Volume 30, issue 1  

页码: 1-3

 

ISSN:0959-8103

 

年代: 1993

 

DOI:10.1002/pi.4990300102

 

出版商: John Wiley&Sons, Ltd

 

关键词: polyurethanes;electric conductivity;waves

 

数据来源: WILEY

 

摘要:

AbstractThe temperature dependence of ultrasonic pulse velocityCand specific volume resistance ρvof crystallizing thermoplastic polyurethane (TPUR) was investigated. It was revealed that under certain conditions TPUR acquired abnormally low ρvvalues andCvalues uncharacteristic of polymers. An explanation for the observed abnormalities could be based on the assumption of the presence of ‘hot’ electrons in

 

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