Use of alkylaminopolyglycol ethers as foam-depressing additives

Details Use of alkylaminopolyglycol ethers as foam-depressing additives Use of alkylaminopolyglycol ethers as foam-depressing additives

1987-04-30

1988-05-17

Lieberman, Paul

Compositions

Fluent dielectric

N-containing

25217421, 25217422, 252321, 252156, C11D 722, C11D 706

Patent

active

047449233

ABSTRACT:
Alkylaminopolyethylene glycol ethers corresponding to the following formula ##STR1## in which R represents a C.sub.6 -C.sub.20 alkyl or alkenyl radical, R.sup.1 and R.sup.2 are the same or different and represent a C.sub.1 -C.sub.8 alkyl radical and the indices m and n are the same or different and represent a number of from 3 to 20, with the proviso that the sum of m and n is from 5 to 25, are suitable as foam inhibitors for detergent preparations. The foam inhibitors are stable to strong alkalis and strong acids and may be used in concentrations of from 10 to 2500 ppm.

REFERENCES:
patent: 4301083 (1981-11-01), Yoshimura

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