PJB-2019-911
Production of Bio-degradable carrageenan-based films from Solieria robusta (Red Bamboo) of Karachi coast by using Glycerol and Sorbitol.
Marium Asif
Abstract
This research reveals the development of biofilms prepared by carrageenan extracted from S. robusta present in coastal waters of Karachi, Pakistan. The obtained biofilms were examined for various variables like physio-mechanical properties, microstructural study and level of biodegradation through change in carrageenan concentration accompanied by the influence of two plasticizers glycerol and sorbitol. The progressive increase in polymer content was correlated with the increase in thickness, tensile strength & elongation properties while the biodegradation percent. Sorbitol blended carrageenan films exhibited more firm structure therefore provide resistance against deformation, solubility and soil-degradation. However, glycerol was found involved in enhancing the flexibility of carrageenan films and promoted faster water solubility and soil-degradation.
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