Surveying the Influence of Reclaimed Rubber and Rubber Powder on Physical, Dynamical and Processing Properties of NR/BR Compound

Document Type : Research Paper

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Abstract

Since reusing waste tire as a cheap filler is considerably high, in this study, recycled rubber to replace NR/BR is used up to 15 phr and the positive and negative aspects of the rubber powder and reclaimed rubber in the physical, dynamical and processing properties are evaluated. The results showed that in the presence of recycled rubber, the cure rate, crack growth resistance, tear strength and processability of compound are improved and the tensile strength and resilience are slightly decreased. Moreover, the presence of recycled rubber up to 10 phr has no notable effect on crosslink content and modulus. The use of recycled rubber (specially reclaimed rubber), makes noticeable improvement on cure rate which because of the necessity to lower expenes there is no need to use cure ingredients such as accelerators
or ZnO.

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Iranian Journal of Polymer Science and Technology
Volume 21, Issue 3 - Serial Number 3
September and October 2008
Pages 217-223

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