Abstract
Acrylonitrile butadiene rubber (NBR)/ eggshell powder (ESP) composite film was produced using latex compounding and curing technique. ESP loading was varied from 0,2, 4 to 6 phr. The composite films cured at 80 °C for 120 min. All the composite films exhibit superior tensile strength and Young Modulus compared to pure NBR control film. The dispersion of ESP in the tensile fracture surface was homogenous with no agglomeration observed up to 6 phr loading. Resistance to chemical degradation and swelling increased with increment of filler loading in the NBR films. This is due to the good interaction between ESP and NBR macromolecular chains, which causes mechanical interlocking of the chain on the surface of the filler and thus reduces the free volume and flexibility of the chain. The finding proves that ESP has a large potential to be use as bio- filler in production of NBR film Type I and II.
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