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Mechanochemical devulcanization and gamma irradiation of devulcanized waste rubber/high density polyethylene thermoplastic elastomer
Faculty
Science
Year:
2013
Type of Publication:
Article
Pages:
1722-1729
Authors:
Hassan, Medhat M, Aly, Raouf O, Aal, S. E. Abdel, El-Masry, Ahmed M, Fathy, E. S
DOI:
10.1016/j.jiec.2013.02.012
Journal:
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY ELSEVIER SCIENCE INC
Volume:
19
Research Area:
Chemistry; Engineering
ISSN
ISI:000322943600044
Keywords :
DWR, HDPE, Gamma radiation, TPEs, Mechanical, Thermal properties
Abstract:
Waste rubber (WR) powder was introduced in a two-roll mill in the presence of various ratios of curatives to develop sheets of devulcanized waste rubber (DWR). The product has been investigated by FTIR, TGA and SEM. A thermoplastic elastomer (TPE) was prepared by blending the obtained DWR with high density polyethylene (HDPE) at different feed ratios under conditions of gamma irradiation, 25, 50, 100, and 150 kGy. The mechanical parameters of the blend: tensile strength, elongation at break, and hardness (Shore D) were studied. In addition, blend characterization using FTIR spectra, gel fraction, TGA and SEM was discussed. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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