SHEAR-FLOW CHARACTERIZATION OF BLENDS CONTAINING LIQUID-CRYSTAL POLYMERS

被引:38
|
作者
LAMANTIA, FP
VALENZA, A
机构
[1] Dipartimento di Ingegneria Chimica Dei Processi E Dei Materiali, Università di Palermo, Palermo, 90128, Viale delle Scienze
关键词
D O I
10.1002/masy.19920560117
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A simple phenomenological approach is proposed in order to predict the presence of minima in the viscosity-composition curves of blends of thermoplastic with liquid crystal polymer (LCP). When the viscosity of the liquid crystal polymer is larger than that of the thermoplastic matrix, a minimum is observed. A possible explanation of the presence of yield stress in the flow curves of these blends is also given.
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页码:151 / 159
页数:9
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