Study of Rheological Behavior of Calcium Carbonate-Filled Polypropylene in Dynamic Extrusion Process

被引：6
|
作者：
Wang, Quan [1 ]
Liu, Bin [2 ]
Huang, Chaohua [3 ]
Sun, Xiao [3 ]
机构：
[1] Tianjin Univ Technol & Educ, Tianjin Key Lab High Speed Cutting & Precis Machi, Tianjin 300222, Peoples R China
[2] S China Univ Technol, Natl Engn Res Ctr Novel Equipment Polymer Proc, Key Lab Polymer Proc Engn, Minist Educ, Guangzhou 510640, Guangdong, Peoples R China
[3] Xinjiang Inst Engn, Dept Mech Engn, Urumqi 830091, Peoples R China
来源：
POLYMER COMPOSITES | 2015年 / 36卷 / 04期
关键词：
MELT; VIBRATION;
D O I：
10.1002/pc.22980
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
A novel rheological measuring apparatus was designed, which introduced an additional sinusoidal vibration in parallel on the extruding direction of melt polymer in this article. Melt rheology of polypropylene filled uncoated CaCO3 particles in 3 and 20 %wt amounts of filler during capillary melt-extrusion was investigated, respectively. A mathematical model of melt polymer under the action of vibration was set up. The effects of vibration parameters on rheological behaviors were studied. The apparent viscosity of filled system decreased remarkably with the increasing vibration frequency and amplitude. The apparent viscosity reached to minimum value when the vibration frequency was 8 Hz. POLYM. COMPOS., 36:630-634, 2015. (c) 2014 Society of Plastics Engineers
引用
收藏
页码：630 / 634
页数：5
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