Affiliation:
1. 1Polymer Science Department, The University of Akron, Akron, OH 44325-3909; e-mail: hamed@polymer.uakron.edu
Abstract
Abstract
A tire sidewall must have good resistance to fracture over a range of conditions covering rapid as well as slow crack growth. A vulcanizate based on a 50/50 natural rubber (NR)/cis-butadiene rubber (cis-BR) blend seems to meet this requirement. It retains the ability for longitudinal crack branching and has catastrophic rupture resistance near that of a corresponding NR vulcanizate. At the same time, the blend has good resistance to slow fatigue crack growth, much like that of a cis-BR vulcanizate. The combination of desired properties in the blend may result from co-continuity of its NR and BR phases.
Subject
Materials Chemistry,Polymers and Plastics
Cited by
36 articles.
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