In the current research study, an attempt is made to modification of polyvinyl chloride (PVC) by grafting with biologically based phenolic resin, namely, tannin
Increasing global energy crisis and scarcity of petroleum resources has shifted focus of chemical industries to look for alternative raw material resources. The
Natural sources like starch and lignin used during manufacturing of polyurethane (PU) foam have been used extensively from last decades and replaced petro-chemi