Polyglycol ethers containing amino groups as foam-depressing add

Details Polyglycol ethers containing amino groups as foam-depressing add Polyglycol ethers containing amino groups as foam-depressing add

1987-04-30

1988-01-12

Lieberman, Paul

Compositions

Fluent dielectric

N-containing

252529, 252156, 25217421, 25217422, 252321, 252544, C11D 330

Patent

active

047190442

ABSTRACT:
Hydroxyalkyl polyethylene glycol ethers corresponding to the formula ##STR1## in which X is R.sup.3 --CHOH--CHR.sup.4 --(OCH.sub.2 CH.sub.2).sub.n --, R.sup.1 is a linear or branched C.sub.1-6 alkyl, R.sup.2 =R.sup.1 or X, R.sup.3 is a straight-chain C.sub.6-18 alkyl, R.sup.4 is hydrogen or a C.sub.1-8 alkyl, and and n is an average number of from 3 to 20, with the proviso that the sum of the carbon atoms in R.sup.3 and R.sup.4 is from 6 to 18, are suitable for depressing foam in detergent preparations.

REFERENCES:
patent: 4479887 (1984-10-01), Seibert
patent: 4522740 (1985-06-01), Schmid et al.
patent: 4600523 (1986-07-01), Piorr et al.

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