Sulfur-containing acid phosphoric ester internal release agent

Details Sulfur-containing acid phosphoric ester internal release agent Sulfur-containing acid phosphoric ester internal release agent

1993-01-27

1995-02-14

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

264 11, 351 62, 351160H, 351160R, 523451, 523506, 524146, C08K 55398, G02C 1108

Patent

active

053897080

ABSTRACT:
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, ##STR1## 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 R.sub.1 and R.sub.2 are independently alkyl groups.

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