Ester containing silylated polyethers

Details Ester containing silylated polyethers Ester containing silylated polyethers

1980-07-18

1982-05-25

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 33, 427387, 427389, 427394, 428447, 4284752, 4284763, 428480, 556438, 556440, C08G 7704

Patent

active

043317979

ABSTRACT:
Silylated polyethers having the general formula ##STR1## wherein at least one R is selected from the group consisting of ##STR2## in which R is linked to the polyether through an ester radical, the remaining R groups are selected from hydrocarbonoxy radicals having up to 18 carbon atoms, hydroxyl radicals or a radical of the formula ##STR3## R.sup.1 is a divalent hydrocarbon radical selected from the group consisting of --(CH.sub.2).sub.y, --CH.dbd.CH--, or a cyclic hydrocarbon radical selected from the group consisting of C.sub.6 H.sub.4, C.sub.6 H.sub.8, C.sub.6 H.sub.10 and C.sub.10 H.sub.6 ; A is a silicon containing radical selected from the group having the formulas ##STR4## wherein R.sup.2 which may be the same or different is a monovalent hydrocarbon radical having from 1 to 18 carbon atoms, R.sup.3 is a divalent hydrocarbon radical having from 1 to 18 carbon atoms, a is a number of from 0 to 4, b, c and d are each numbers of from 0 to 1, the sum of b, c and d must be 1 when A is a monovalent radical and when b, c or d are 0, then R must be hydroxyl or a hydrocarbonoxy radical or a radical of the formula ##STR5## e is a number of from 0 to 2, n is 2, 3 or 4, x is a number of at least 1 and up to 600, preferably from 10 to 250 and y is a number of from 0 to 8. These silylated polyethers may be used to treat textile materials to impart hydrophilic finishes thereon.

REFERENCES:
patent: 3861915 (1975-01-01), Cawley
patent: 4260725 (1981-04-01), Keogh et al.

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