SYNTHESIS OF NEW PLASTICIZERS BASED ON CITRIC ACID
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Abstract
With rising environmental concerns and depletion of petrochemical resources, biomass-based chemicals have been paid more attention. Polyvinyl chloride plasticizersderived from biomass resources (vegetable oil, cardanol, vegetable fatty acid, glycerol and citric acid) have been widely studied to replace petroleum-based o-phthalate plasticizers. These bio-based plasticizers mainly include epoxidized plasticizer, polyester plasticizer, macromolecular plasticizer,flame retardant plasticizer, citric acid ester plasticizer, glyceryl ester plasticizer and internal plasticizer.This article discusses the synthesis of a new plasticizer based on citric acid.
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