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Polyhydroxybutyrate - a Biodegradable Plastic and its Various Formulations

Abstract

Plastic waste is increasing every year and the precise time needed for biodegradation is unknown. Environmental awareness has driven the development of new biodegradable materials, especially for single use plastic items. Polyhydroxybutyrate (PHB), biodegradable thermoplastic polyester is emerging out as a boon to overcome the problem of plastic waste accumulation. However, it has some drawbacks like moreover, it is still much more expensive and lacks mechanical strength compared with conventional plastics, high crystallinity, stiff and brittle, thereby resulting in poor mechanical properties with a low extension at break, which limits its range of applications. Here we report some PHB based blends which improved the quality of plasticizers.

Sabbir Ansari, Tasneem Fatma

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