Polyhydroxypolyethers as low foam surfactants

Details Polyhydroxypolyethers as low foam surfactants Polyhydroxypolyethers as low foam surfactants

1993-07-19

1995-06-20

Chaudhuri, Olik

Compositions

Water-softening or purifying or scale-inhibiting agents

25217415, 25217417, 252DIG2, 252DIG15, 568625, 568624, C11D 172

Patent

active

054258944

ABSTRACT:
Polyhydroxypolyethers as low foam surfactants comprising a compound of the general formula ##STR1## wherein R.sup.1 is a linear or branched C.sub.2 - to C.sub.18 -alkylene radical;
R.sup.2 is H, ##STR2## R.sup.3, R.sup.4 are linear or branched C.sub.2 to C.sub.18 alkyl radicals;
Z is a number of from 1 to 3;
with the proviso that at least one R.sup.2 is ##STR3## n is a number of from 2 to 8; m is a number of from 15 to 34; and
l is a number of from 0 to 3.
These compounds are useful in cleaning compositions and rinse aids which are low foaming and biodegradable.

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