DETERMINATION OF THE ELASTIC COMPONENT FOR POLYMERIC MELT UNDER STEADY SHEAR-FLOW

被引：1
|
作者：
PHAM, HT
BOSNYAK, CP
WILCHESTER, JW
CHRISTENSON, CP
机构：
[1] The Dow Chemical Company, Freeport, Texas
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 1993年 / 48卷 / 08期
关键词：
D O I：
10.1002/app.1993.070480811
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Steady state shear flow in rectilinear coordinates can be generated by a direct shear rheometer. The rheological behavior of polymeric melts under shear flow can be characterized by the inception of steady shear flow and stress relaxation after cessation of steady shear flow. Experiments were performed for bisphenol A polycarbonate with various mol wts. The elastic components, such as the primary normal stress differences and the elastic recoverable shear strain of the polymeric melts, can be determined from the shear moduli.
引用
收藏
页码：1425 / 1432
页数：8
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