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A study on the compatibility and physical properties of chlorinated polyethylene rubber/nitrile rubber blends

✍ Scribed by Zhen Xiu Zhang; Chun Hua Chen; Xin Wen Gao; Jin Kuk Kim; Zhen Xiang Xin

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
319 KB
Volume
120
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

The miscibility and some physicomechanical characteristics of chlorinated polyethylene rubber (CPE) and nitrile rubber (NBR) blends have been investigated. Calculation of the heat of mixing, differential scanning calorimetry, and scanning electron microscopy analysis showed that CPE was miscible with NBR in all proportions. The cure and scorch times decreased with the increase in NBR content, whereas the maximum torque increased. The tensile strength, 100% modulus, elongation at break, tear strength, and compression set decreased with increasing of NBR content. After aging, hardness and tensile strength increased, and there was no drastic change in elongation at break on aging. The thermal aging resistance and the abrasion resistance of NBR are improved after blending with CPE, but the oil resistance decreased. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2011

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