Several uncommon environmentally friendly plasticizers and their production overview

(1) citrate ester commonly used citrate ester plasticizers, there are two main varieties: tributyl citrate, acetyl tributyl citrate tributyl citrate is produced by the direct esterification of citric acid and butanol. acetyl tributyl citrate can be obtained by reacting tributyl citrate with ester acid. both are colorless and transparent oily liquids, non-toxic and mildew-proof. can…