SCANNING ELECTRON-MICROSCOPY STUDIES ON TEAR FAILURE OF THERMOPLASTIC ELASTOMERS FROM POLYPROPYLENE - NATURAL-RUBBER BLENDS

被引：10

作者：

KURIAKOSE, B

DE, SK

机构：

[1] Indian Inst of Technology, Rubber, Technology Cent, Kharagpur, India, Indian Inst of Technology, Rubber Technology Cent, Kharagpur, India

来源：

JOURNAL OF MATERIALS SCIENCE LETTERS | 1985年 / 4卷 / 04期

关键词：

MATERIALS TESTING - Fracture - MICROSCOPIC EXAMINATION - POLYPROPYLENE - Blending - RUBBER;

D O I：

10.1007/BF00719744

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The mechanism of tear fracture or rubber vulcanizates has been studied in detail by several research groups. The role of rubber particles in the mechanism of tear propagation in rubber modified thermoplastics and thermosets has also been reported. Scanning electron microscopy (SEM) has been found to be a valuable tool in studying the fracture mechanism of rubber vulcanizates and rubber based composites. In this paper, studies of the effects of blend ratios and the influence of dynamic crosslinking of the elastomer phase on the tear strength of thermoplastic polypropylene (PP)-natural rubber (NR) blends are reported. The nature of tear fracture of these blends has been studied by using SEM.

引用

页码：455 / 458

页数：4

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