Plasticizers derived from renewable feedstock

摘要

Plasticizer compositions comprising epoxidized fatty acid mono-esters and epoxy-esters are provided. The plasticizer compositions are free of compatibilizer and may contain metal perchlorates and/or phenolic antioxidants and/or conventional plasticizers. The compositions are useful for reduced extraction and lower volatility of halogenated polymers containing the compositions. The plasticizer compositions give reduced extraction of at least 15%. A process for making the plasticizer compositions is also provided. A method of reduced plasticizer extraction from halogenated polymers, such as polyvinyl chloride, is further provided. The plasticizer compositions may be added to PVC resins in effective amounts ranging from 1 and 200 phr.

主权项

1. A plasticizer composition comprising:
i. an epoxidized fatty acid mono-ester selected from epoxidized 2-ethylhexyl tallate, epoxidized 2-ethyhexyl soyate, epoxidized octyl tallate, epoxidized octyl soyate, epoxidezed octyl oleate, epoxidized methyl soyate or mixtures thereof; ii. an epoxy-ester selected from epoxidized soybean oil, epoxidized linseed oil and mixtures thereof,
the epoxidized fatty acid mono-ester and epoxy-ester being substantially free of mono- and/or diglycerides, andwherein the epoxy esters and epoxidized fatty acid mono esters are present in amounts such that a weight ratio of epoxy esters/epoxidized fatty acid mono esters ranges from 1/1.67 to 1/3; and iii. a metal perchlorate.