SYNTHESIS AND CHRATERIZATION OF STARCH BASED BIODEGRADABLE PLASTICS AND EFFECT OF PLASTICIZER IN THEIR PROPERTIESANITHA V., KANAGARAJ M., SENGODAN R. AND SHANMUGAPRAKASH M.
Plastics play a major role in day to day life and being used all over the world for multipurpose application. But it becomes a major threat to the environment and the public health. The project work focuses on the synthesis of biodegradable plastics and the effect of plasticizers on the biofilm properties. Synthesis of biodegradable plastic was done using starch compiled with polyvinyl alcohol (PVA) and glycerol. Various compositions of these ingredients were combined and produced to test the feasibility of the prepared biofilm. The tensile strength analysis, biodegradation rate and capacity of water absorption of the films were carried out to analyse the film properties. Biodegradation study was performed by burying the prepared biofilm under the soil. Composition 3 has high tensile strength of 2.23 MPa and young's modulus of 1.87 MPa. Further study will be exploring towards biomedical application.
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