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Journal of Elastomers and Plastics
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Comparison of Interaction of Aromatic Solvents in Hybrid and Textile Biocomposites

Maya Jacob John

CSIR, Materials Science and Manufacturing Port Elizabeth 6000, South Africa, mjohn{at}csir.co.za

Sabu Thomas

School of Chemical Sciences, Mahatma Gandhi University Priyadarshini Hills, P.O. Kottayam 686 560, Kerala, India

K.T. Varughese

Central Power Research Institute, Polymer Laboratory Bangalore 560 080, India

Natural rubber was reinforced with sisal—oil palm hybrid fibers. Composites were prepared by varying the weight content of the fibers and chemical modification of the biofibers. The interaction of three different types of aromatic solvents, namely, benzene, toluene, and xylene with the rubber composites was analyzed. Textile composites were also prepared by sandwiching a single sheet of sisal fabric between two pre-weighed rubber sheets. The diffusion behavior of the textile composites in benzene, toluene, and xylene was also analyzed. The mechanics of diffusion was found to be different for hybrid and textile biocomposites. The swelling index factor was also calculated for all the composites. Swelling was found to be predominantly dependent on the aromatic solvent used and chemical treatments. Chemically modified composites were found to be less prone to solvent permeation.

Key Words: natural fibre • natural rubber • diffusion • composite.

This version was published on November 1, 2009

Journal of Elastomers and Plastics, Vol. 41, No. 6, 523-541 (2009)
DOI: 10.1177/0095244309099083
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