US 5,070,171 A · Phosphated silicone polymers

Abstract

The invention relates to a series of novel organofunctional silicone polymers which have an phosphate pendant functionality present within the polymer. Compounds of the invention by virtue of their phosphate group, provide a nonvolatile lubricant, antistat which can be applied to a variety of fibers. The compounds of the invention deposit on the fiber surface thereby altering the surface's physical properties. The compounds of the present invention are prepared by phosphation of a hydroxyl group on the silicone polymer. The compounds useful as raw materials are dimethicone copolyols. The introduction of a phosphate group onto the silicone polymer is achieved by reaction of the hydroxyl group on the silicone with a suitable phosphating reagent. Another method of introducing the phosphate group is by the phosphation of the hydroxy containing vinyl intermediate which is subsequently reacted with the silicone polymer by hydrosilation.

Claims19

Dependent claims

A phosphated silicone polymer which conforms to the following structure;

##STR5## wherein;
R is ##STR6## a is an integer from 0 to 200;
b is an integer from 0 to 200;
c is an integer from 1 to 200;
R.sup.1 is selected from --(CH.sub.2).sub.n CH.sub.3 and phenyl;
n is an integer from 0 to 10;
R.sup.2 is --(CH.sub.2).sub.3 --(OCH.sub.2 CH.sub.2)x--(OCH.sub.2 CH(CH.sub.3))y--(OCH.sub.2 CH.sub.2)z--OH;
x, y and z are integers and are independently selected from 0 to 20;
e and f range from 1 to 2 with the proviso that e+f=3;
M is selected from H, Na, K, Li or NH.sub.4.

7 more elements

Dependencies are inferred from the claim text.

Phosphated silicone polymers

Life of this patent

Phosphated silicone polymers

Life of this patent

Abstract

Claims19