Polymeric thickeners and their production

Details Polymeric thickeners and their production Polymeric thickeners and their production

1987-09-22

1990-01-09

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526320, 526332, 526333, C08L 3314, C08F26504

Patent

active

048929166

ABSTRACT:
Polymers are made by polymerization of an ionic monomer such as methacrylic acid or dialkylaminoalkyl (meth)-acrylate or -acrylamide and/or a substantially non-ionic monomer, optionally a cross linking agent, and an allyl ether of the formula CH.sub.2 .dbd.CR'CH.sub.2 OA.sub.m B.sub.n A.sub.p R where R' is hydrogen or methyl, A is propyleneoxy or butyleneoxy, B is ethyleneoxy, n is zero or an integer, m and p are zero or an integer less than n, and R is a hydrophobic group of at least 8 carbon atoms. The polymers are preferably made by oil in water emulsion polymerization. They can be used as thickeners particularly in environments containing surfactant and/or electrolyte, including especially emulsion paints, print pastes, alkaline liquors and acidic liquors.

REFERENCES:
patent: 3652497 (1972-04-01), Junas et al.
patent: 3657175 (1972-07-01), Zimmerman
patent: 4138381 (1979-10-01), Chang et al.
patent: 4338239 (1982-07-01), Dammann
patent: 4384096 (1983-08-01), Sonnabend
patent: 4500693 (1985-02-01), Takehara et al.
patent: 4677152 (1987-06-01), Allen et al.
Kirk Othmer, Encyclopedia of Polymer Science & Technology, Vol. 1, p. 757.
Yocum & Nyquist, Functional Monomers, vol. 1, pp. 384-387.

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