Effect of high shear rate on the mechanical properties of polyethylene, poly(ethylene terephthalate), polystyrene, and polypropylene waste blend

被引：1
|
作者：
Saat, Mohd Adly Rahmat [1 ]
Rasid, Rozaidi [1 ]
机构：
[1] Natl Univ Malaysia, Dept Appl Phys, Bangi 43600, Selangor, Malaysia
来源：
POLIMERY | 2022年 / 67卷 / 02期
关键词：
recycling; shear rate; polymer blends; mechanical properties; COMPATIBILITY;
D O I：
10.14314/polimery.2022.2.4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The effect of high shear rate on the mechanical properties of polyethylene (PE), poly(ethylene terephthalate) (PET), polystyrene (PS), and polypropylene (PP) waste blend was investigated. The pro-cess was carried out at a temperature of 120 degrees C using a counter-rotating twin-screw extruder. A constant screw speed of 250 rpm and a constant weight ratio of the PE/PET/PS/PP components of 1:1:1:1 were used. The preliminary research showed that the high shear rate had no effect on the impact strength. However, the significant improvement in the flexural properties was observed as compared to those obtained at a lower screw speed of 80-120 rpm.
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页码：72 / 75
页数：4
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