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Crack Growth and Wear Properties of Silica-reinforced Styrene-butadiene Rubber Compounds: Effect of Processing Oil Type  

Kang, S.L. (Department of Polymer-Nano Science and Technology, BK-21 Polymer BIN Fusion Research Team, Chonbuk National University)
Lee, J.Y. (Department of Polymer-Nano Science and Technology, BK-21 Polymer BIN Fusion Research Team, Chonbuk National University)
Go, J.Y. (Kumho Petrochemical R&D center)
Go, Y.H. (Kumho Petrochemical R&D center)
Kaang, S. (School of Applied Chemical Engineering, Chonnam National University)
Nah, C. (Department of Polymer-Nano Science and Technology, BK-21 Polymer BIN Fusion Research Team, Chonbuk National University)
Publication Information
Elastomers and Composites / v.44, no.4, 2009 , pp. 401-407 More about this Journal
Abstract
Commercial grades of solution styrene-butadiene rubbers extended with high aromatic oils having high polycyclic aromatic compounds (PCA) and low PCA oils were used to study the effect of the processing oil particularly on the crack propagation resistance and frictional wear resistance of the vulcanizates. The aromatic oil based vulcanizates exhibited superior fracture behavior over the low PCA oil extended vulcanizates based on tensile and trouser tear tests. Compounds with aromatic oil showed superior crack propagation resistance compared with those containing low PCA oil, especially at the lower ranges of tearing energy. In terms of frictional wear resistance, the aromatic oil extended compounds showed superior performance particularly in the lower frictional work ($W_f$) range but in the higher $W_f$ range the low PCA oil extended vulcanizates performed better.
Keywords
high aromatic oil; polycyclic aromatic compounds (PCA); fatigue crack propagation; frictional wear;
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