期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 91, 期 2, 页码 1322-1328出版社
JOHN WILEY & SONS INC
DOI: 10.1002/app.13280
关键词
polybutadiene rubber; silane coupling agent; fly ash; composites; mechanical properties
Fly ash, a waste product of thermal power stations generated in huge quantities, has been posing problems of its disposal. As such it contains a variety of inorganic oxides and is available in finely powdered form. Attempts have been made for its use as a filler in elastomers and plastics. It is important to note that fly ash used in in untreated form does not significantly enhance the mechanical properties of composites. In this work, fly ash treated with silane coupling agent (Si-69) was used as a filler in polybutadiene rubber (PBR). The comparison of properties of composites filled with treated and untreated fly ash revealed that the composites with treated fly ash showed better reinforcing properties. Thus the silane coupling agent used here promoted adhesion between fly ash and the PBR. The improvement in mechanical properties in general and tensile properties (tensile strength, modulus 100% and modulus 200%, hardness) of the composites in particular were observed. (C) 2003 Wiley Periodicals, Inc.
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