Polyether modified fluoroalkylsiloxanes

Details Polyether modified fluoroalkylsiloxanes Polyether modified fluoroalkylsiloxanes

1997-05-29

1999-06-01

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

556445, 252358, C07F 708

Patent

active

059089504

ABSTRACT:
Polyether modified fluoroalkylsiloxanes having the general structure of Formula (I), Formula (II) or Formula (III): ##STR1## wherein x is about 0 to 500, y is about 1 to 50, z is about 1 to 50, R=C.sub.p H.sub.2p --(OC.sub.2 H.sub.4).sub.n --(OC.sub.3 H.sub.6).sub.n).sub.m --OR' in which p is about 2 to 5, n is about 0 to 50, N is about 0 to 50, and one of n or m must be >0, and R'=H, an alkyl group with 1-4 carbons, or an acetyl group and R.sub.f =C.sub.a H.sub.2a --O.sub.b --C.sub.c H.sub.2c --C.sub.d F.sub.2d+1 in which a is 3 or 4, b is 0 or 1, c is 0 or 2-4 and d is 4-12 with the provisos that if b=0, then c=0, and that if b=1, then c=2-4; z.sub.1 is about 0 to 50 and y.sub.1 is about 0 to 50, are useful to reduce the coefficient of friction and to increase mar resistance of coatings, to increase spreadability and wettability of coating formulations, and as foam control agents.

REFERENCES:
patent: 4748225 (1988-05-01), Yoshioka et al.
patent: 4968828 (1990-11-01), Yamamoto
patent: 5047491 (1991-09-01), Saho et al.
patent: 5124467 (1992-06-01), Rodgers et al.
patent: 5412135 (1995-05-01), Fukuda et al.
patent: 5446114 (1995-08-01), O'Lenick, Jr.
Database WPI Derwent Publications Ltd., London, GB; Sep. 6, 1994 abstract.
Database WPI Derwent Publications Ltd., London, GB; Feb. 28, 1995 abstract.

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