Modified PVA by Grafting and Blending and study on Biodegradation
Keywords:PVA, grafting, biomedical application, biodegadability
PVA is widely used industrial vinyl polymer which is used in different biomedical applications like for blood carrying bags, syringes etc. It is biodegradable in its unmodified form but when it is modified and by crosslinking and grafting techniques then its degradability decreases but thermal stability increases. In this study PVA was modified by grafting and blending using acrylic acid and acryalamide monomers . Blended and grafted PVA has shown greater thermal stability but biodegradability was found to be slightly decreased for grafted polymer while blended polymers have shown better biodegradability.
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