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Title: Studies on effect of titanate coupling agents on the mechanical properties of clay filled chloroprene rubber
Authors: Alkadasi, Nabil A N
Sarwade, Bhimrao D
Hundiwale, D G
Kapadi, U R
Keywords: Chloroprene rubber
Titanate coupling agent
Mechanical properties
Issue Date: Oct-2004
Publisher: CSIR
IPC CodeInt.Cl7.: C 01 B 51/024, C 01 B 21/098
Abstract: Clays belong to economic class of fillers, which are used extensively in rubbers and plastics. Being non-reinforcing in nature there are limitations for its use. If the properties of filler are modified it will get higher value as a filler. To achieve this modification of surface properties use of coupling agents is one of the avenues. In the present work, effect of treatment of titanate coupling agent on clay has been studied with chloroprene as a matrix. Composites were made with varying proportion of untreated and treated clay. A two-roll mill was used for dispersing the filler in the rubber and compression moulding technique was used to cure the compound in sheet form. Tensile properties were measured on a computerized UTM, using ASTM procedure. Comparison of properties of composites filled with treated and untreated clay established that treatment of clay imparts better reinforcing properties. The properties under consideration were tensile strength, modulus at 100 and 400 per cent, Young’s modulus, hardness, etc. Tensile strength was improved by 166 per cent, while modulus at 400 per cent was improved by 167 per cent. Similarly, Young’s modulus also was improved by 155 per cent
Page(s): 830-834
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.63(10) [October 2004]

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