Process for the preparation of polyglycerols and polyglycerol esters.

摘要

The starting material used in the process of the invention is a glycerol phase obtained during the manufacture of fatty esters, when a vegetable or animal oil is transesterified with an alcohol, in the presence of a basic catalyst. According to the invention, this glycerol phase is treated directly, which makes it possible to obtain polyglycerols in a particularly economical way. Standard applications of polyglycerols and polyglycerol esters.