Dispersion powders and method of preparation and use thereof

Details Dispersion powders and method of preparation and use thereof Dispersion powders and method of preparation and use thereof

1996-08-22

1998-06-09

Morgan, Kriellion S.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524315, 524318, 524425, 524444, 524442, C08K 300, C08K 510, C08K 326

Patent

active

057635080

ABSTRACT:
Dispersion powders including (a) a polymer of vinyl ester, vinyl ester/ethylene, (meth)acrylate or styrene/acrylate homo- and copolymers, (b) 1 to 25% by weight, based on the total weight of the polymer, of a protective colloid, (c) 0.1 to 10% by weight, based on the total weight of the polymer, of at least one saturated carboxylic acid ester of the formula C.sub.n H.sub.(2n+1) COOC.sub.m H.sub.(2m+1) where n=5 to 22 and m=1 to 8, and (d) 0 to 20% by weight, based on the total weight of the polymer, of anticaking agent, are useful, for example, as modifying agents in mortar and concrete for increasing the flexural tensile strength, compressive strength, and/or adhesive strength thereof.

REFERENCES:
patent: 4157998 (1979-06-01), Berntsson et al.
patent: 4434257 (1984-02-01), Narisawa et al.
patent: 5192366 (1993-03-01), Nishioka et al.
Patent Abstracts of Japan, Pub. No. 06100344, Pub. Date. (Apr.) 1994.
Patent Abstracts of Japan, Pub. No. 61021137, Pub. Date. (Jan.) 1986.
E.W. Nagele, "Disperisionsbaustoffe", pp. 52-74.

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