Sulfur-containing acid phosphoric ester internal release agent.

摘要

An internal release agent comprises a sulfur-containing acid phosphoric esters selected from the group consisting of thiophosphoric acid esters and dithiophosphoric acid esters of the formula, <CHEM> where X and Y are independently selected from the group consisting of an oxygen atom and a sulfur atom, at least one of X and Y is a sulfur atom, and R1 and R2 are independently alkyl groups.