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Title: Studies on the effect of silane coupling agent (2.0 per cent) on the mechanical properties of flyash filled polybutadiene rubber
Authors: Alkadasi, Nabil A N
Hundiwale, D G
Kapadi, U R
Keywords: Polybutadiene rubber
Silane coupling agent
Mechanical properties
Issue Date: Jul-2004
Publisher: CSIR
IPC CodeInt.Cl.7: C 01 B 33/113, C 01 B 31/12
Abstract: Flyash, 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 utilization, as filler in elastomers and plastics. It is important to note that, flyash in untreated form does not contribute in enhancing mechanical properties of composites significantly. In this work, flyash treated with silane coupling agent (Si-69) is used as a filler in PBR. The comparison of properties of composites filled with treated and untreated flyash revealed that the composites with treated flyash showed better reinforcing properties. Flyash treated with silane coupling agent gave greater reinforcement than untreated flyash. The treatment resulted in enhancement of mechanical properties of composites of the said rubber. In this work, properties of composites filled with treated and untreated flyash (separately) are compared. The properties under consideration were tensile strength, modulus at 100 per cent, and 400 per cent, Young’s modulus, hardness, etc. Tensile strength was improved by 193 per cent while modulus at 400 per cent was improved by 700 per cent. Young’s modulus was also improved by 170 per cent.
Page(s): 603-609
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.63(07) [July 2004]

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