期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 132, 期 33, 页码 -出版社
WILEY
DOI: 10.1002/app.42419
关键词
devulcanized rubber; friction and wear properties; microwave devulcanization; pin-on disc
资金
- Coordination Committee of Scientific Research projects of Selcuk University, Turkey [10201043]
In this work, the tribological properties of a new material obtained by revulcanization with styrene butadiene rubber (SBR) and devulcanized ground tire rubber (GTR) were investigated. GTR was devulcanized using the microwave method at a constant power while varying the microwave exposure time. Devulcanized rubber (DV-R) and untreated GTR were revulcanized by mixing with SBR at different rates (10, 30, 50 phr). To determine friction and wear characteristics of the samples, pin (ball) on disc and abrasion tests were conducted. Scanning electron microscopy (SEM) was employed to observe the worn surfaces of the composites to correlate the experimental test results to the wear mechanisms. All of these tests and experiments were performed on original vulcanized rubber samples for comparison. The composites exhibited different friction and wear behavior due to morphology, dispersion behavior and devulcanization functionalization of ground tire rubber. In general, DV-R/SBR composites exhibited improvement in both mechanical and tribological properties. However, the enhanced compatibility of DV-R resulting from the specific chemical coupling of DV-R with SBR was crucial for the mechanical, friction and wear properties. (C) 2015 Wiley Periodicals, Inc.
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