Cure, Mechanical and Swelling Properties of Biocomposites from Chicken Feather Fibre and Acrylonitrile Butadiene Rubber
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Biocomposites of acrylonitrile butadiene rubber (NBR) reinforced with chicken feather fibre (CF) were prepared using dicumyl peroxide (DCP) as vulcanizing agent. Composites with three series of chicken feather fibres were studied i.e., raw (RCF), sterilized (SCF) and alkali treated (ACF). The cure characteristics of composites were studied. The mechanical properties of NBR were found to be improved by the incorporation of chicken feather fibre in all forms. Surface modification of the fibre was done by alkaline treatment to improve the interfacial adhesion and it characterised by FTIR. Better properties are shown by the composites with ACF. The swelling behaviour of the composites in N,N-dimethylformamide, acetonitrile, dimethyl sulfoxide and water were analyzed for the swelling coefficient values. The biodegradable characteristics of CF reinforced NBR composites were studied by soil burial test which indicated that it is an eco-friendly and acceptable material. Scanning electron microscopy studies support the results of mechanical properties. The outcome obtained from this study is believed to assist the development of environmentally–friendly composites especially for specific product applications like oil seals, hoses and automobile bushes etc.
KeywordsChicken feather fibre Nitrile rubber Interfacial adhesion Mechanical properties
This work was supported by Kerala State Council for Science, Technology and Environment (KSCSTE), Thiruvananthapuram, Kerala, India. [Grant No. 228/2015/KSCSTE dated 22-6-2015]. Authors are thankful to Dr. T. A. Sajesh, Asst. Professor, Dept. of Statistics, St. Thomas College, Thrissur, Kerala, India, for his valuable help during ANOVA analysis.
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