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DEVELOPMENT AND CHARACTERISATION OF NATURAL RUBBER - GELATIN BLENDS WITH IMPROVED BIODEGRADABILITY

Journal: International Journal of Advanced Research in Engineering and Technology (IJARET) (Vol.10, No. 3)

Publication Date:

Authors : ; ; ; ; ;

Page : 69-80

Keywords : natural rubber; gelatin; solution casting; bioblends; biodegradability;

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Abstract

Natural rubber (NR) blends with different concentrations of gelatin (GLN) were successfully prepared through solution casting and dry-mixing techniques. The gelatin content was varied from 0 to 20 phr. The blends were cured at 150 C to their respective optimum cure times. Biodegradability was evaluated using soil burial test and was found to have improved with gelatin content. A gelatin loading of 10 phr was sufficient to impart a significant extent of biodegradation. The blends were also investigated for mechanical and dynamic mechanical properties, morphology and thermal and solvent resistance. Enhanced cure rate, increased cross-link density and improved mechanical properties, without any deterioration in thermal stability, could be achieved through the blending process. The blend realizes fabrication of a biodegradable substitute for vulcanized natural rubber without compromising mechanical and thermal properties.

Last modified: 2020-01-06 16:16:42