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Surface Modification of Matrix and filler for Ultra High Density Elastomeric Material  

Chung, K. (Department of Polymer Engineering, The University of Suwon)
Lee, D. (Department of Polymer Engineering, The University of Suwon)
Yang, K. (R&D Division, Hyundai Motor Co. & Kia Motors Corporation)
Lee, W. (R&D Division, Hyundai Motor Co. & Kia Motors Corporation)
Hong, C. (Jungwha Polytech Co.)
Publication Information
Elastomers and Composites / v.40, no.2, 2005 , pp. 93-103 More about this Journal
Abstract
In this study, surface treatment of the elastomeric matrix was investigated to develop a substituting material for steel dynamic damper of automobile. The key technology is to get ultra high density elastomeric compound in order to substitute steel dynamic damper. The optimum matrix material(chloroprene rubber) and filler(metal powder) were selected for this. The several properties of elastomeric compound were examined. According to the results, the $t_{s2}$ of filled elastomeric compound was decreased with increasing the filler loading whereas the $t_{90}$ was increased. Also, tensile strength and rebound resilience were decreased with filler loading. To solve the problem of high filler loading, the photo grafting technique was employed on elastomeric matrix. The degree of grafting was determined by FTIR-ATR. Also, the filler surface was modified by chemical etching and the surface morphology was examine by SEM. After chemical treatment of filler, the particle size analyzer was used to examined the particle size, size distribution, and morphology of the modified filler.
Keywords
dynamic damper; high loading; ultra high density; photo chemical modification; filler modification;
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