Cure modeling and mechanical properties of counter rotating twin screw extruder devulcanized ground rubber tire-natural rubber blends

被引：45

作者：

Balasubramanian, Maridass ^{[1
]}

机构：

[1] Univ Toronto, Dept Mech & Ind Engn, Toronto, ON M5S 3G8, Canada

来源：

JOURNAL OF POLYMER RESEARCH | 2009年 / 16卷 / 02期

关键词：

Blends; Mechanical properties; Modeling; Recycling; Rubber; Vulcanization; RESOURCE MATERIAL RRM; SULFUR VULCANIZATION; BEHAVIOR; KINETICS;

D O I：

10.1007/s10965-008-9211-5

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Ground rubber tire (GRT) powder was devulcanised using a counter-rotating twin-screw extruder and the product was mixed with virgin natural rubber (NR) in various proportions. The data obtained from a cure rheometer was used to fit in a four-parameter logistic model to correlate the variation of torque with time. The mechanical properties were evaluated which suggested that tensile strength and elongation at break increased with increase in virgin natural rubber when added to the extrusion processed GRT.

引用

页码：133 / 141

页数：9

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