Study of rheological behavior of elastomer/polypropylene blends

被引：71
|
作者：
Silva, ALN
Rocha, MCG
Coutinho, FMB
机构：
[1] Univ Fed Rio de Janeiro, Inst Macromol Professora Eloisa Mano, BR-21945970 Rio de Janeiro, Brazil
[2] UERJ, Inst Politecn, Nova Friburgo, RJ, Brazil
[3] Univ Estado Rio De Janeiro, IQ, Dept Proc Ind, Rio De Janeiro, Brazil
来源：
POLYMER TESTING | 2002年 / 21卷 / 03期
关键词：
polymer blends; polyoletin elastomer; polypropylene; rheology;
D O I：
10.1016/S0142-9418(01)00084-8
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The Cross model has been used to model the shear rate dependence on the viscosity of ethylene/octene copolymers (EOC) produced by metallocene technology. In this work, a theological study was carried out on EOC/PP and EPDM/PP blends. The oscillatory flow properties of the pure polymers and blends were determined at 220degreesC on a cone-plate rheometer at an angular frequency ranging from 0.01 to 100 rad/s. Higher shear rate data were obtained from a capillary rheometer. The results showed that the Cross model can be applied to describe the theology of EOC and EOC/PP blends, but not to EPDM or EPDM/PP systems. (C) 2002 Published by Elsevier Science Ltd.
引用
收藏
页码：289 / 293
页数：5
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