天然橡胶/再生氯丁橡胶共混物的性能:配比和基体的影响

S.Z. Salleh, M.Z. Ahmad, H. Ismail
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引用次数: 28

摘要

研究了两种天然橡胶和不同配比对天然橡胶/再生氯丁橡胶共混物的固化、拉伸性能和形貌的影响。在实验室双辊轧机上制备了天然橡胶/再生氯丁橡胶共混物。结果表明,再生氯丁橡胶(rCR)的加入延长了固化时间。可比性:天然橡胶/再生氯丁橡胶(SMR L/rCR)共混比环氧化天然橡胶/再生氯丁橡胶(ENR 50/rCR)共混固化速度快。rcr的加入也导致两种橡胶共混物的抗拉强度和断裂伸长率下降。在任何配比下,SMR L/rCR共混物的拉伸强度和断裂伸长率均高于ENR 50/rCR共混物。
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Properties of Natural Rubber/Recycled Chloroprene Rubber Blend: Effects of Blend Ratio and Matrix

The present study investigated the effects of two types of natural rubber and different blend ratios on the cure, tensile properties and morphology of natural rubber/recycled chloroprene rubber blends. The blends of natural rubber/recycled chloroprene rubber were prepared by using laboratory two-roll mill. The result showed that the cure time prolonged with the addition of recycled chloroprene rubber (rCR). Comparability, natural rubber/recycled chloroprene rubber (SMR L/rCR) blendcured rapidly than epoxidized natural rubber/recycled chloroprene rubber (ENR 50/rCR) blend. The addition of rCRalso caused a decrement in the tensile strength and elongation at break for both rubber blends. The SMR L/rCR blendsshowed higher tensile strength and elongation at break compared to those of ENR 50/rCR blends at any blend ratios.

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