A New Synthetic Process of Triacetin

Triacetin was synthesitsed with mixed rare earth chlorides as catalyst. The catalytic activity ofrare earth chlorides that may be reproducible for estendcation reachon betwee glycerine and acetic acid was studied. The effect of reaction temperabe, amount of catalys, ratio of glyced and acetic acid on the vield of triacetinwas discued and a suitable technology was proposed. It was found that single or mixed are earth chlorides are allgood catalys for the synthesis of triacetin. The technology processe is characterized by simplicity、less facility corrosion and high esterification yield.