Alkyl phosphonate ester-modified organopolysiloxane latex and a

Details Alkyl phosphonate ester-modified organopolysiloxane latex and a Alkyl phosphonate ester-modified organopolysiloxane latex and a

1985-05-08

1986-10-14

Marquis, Melvyn I.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524588, 524858, 524859, 524860, 528 23, 528 30, 528 34, 528 37, C08L 8300

Patent

active

046173447

ABSTRACT:
The organopolysiloxane in the inventive latex is modified with phosphonate ester-containing groups such as those expressed by the formula --Si--CH.sub.2 CH.sub.2 --PO(OEt).sub.2 (Et: ethyl group) and --Si--CH.sub.2 CH.sub.2 CH.sub.2 --PO(ODd).sub.2 (Dd: dodecyl group) and exhibits excellent performance in the applications as a fabric treatment agent and the like. The inventive organopolysiloxane latex can be prepared by the polymerizing reaction of an organosilicon compound or, preferably, an organopolysiloxane and a phosphonate ester-modified alkoxysilane emulsified together in an aqueous medium containing a surface active agent of the class of the organic sulfonic acid type or a sulfate ester type ones which serves both as an emulsifier and as an acid catalyst.

REFERENCES:
patent: 4448927 (1984-05-01), Falender et al.
patent: 4482670 (1984-11-01), Saam et al.

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