Paper size based on finely divided aqueous dispersions

Details Paper size based on finely divided aqueous dispersions Paper size based on finely divided aqueous dispersions

D - Textiles, Paper

21

H

400/1347

D21H 17/37 (2006.01) C08F 220/18 (2006.01) D21H 17/28 (2006.01) D21H 21/16 (2006.01)

Patent

CA 1294721

Abstract of the Disclosure: Sizes for paper are based on finely divided aqueous dispersions of copolymers which are obtainable by copolymerization of from 10 to 56 parts by weight of a monomer mixture of (a) from 20 to 65% by weight of (meth)acrylonitrile, (b) from 35 to 80% by weight of one or more acrylates of monohydric, saturated C3-C8-alcohols and (c) from 0 to 10% by weight of other ethylenically un- saturated copolymerizable monomers by an emulsion polymerization method in 100 parts by weight of an aqueous solution of from 1.7 to 25% by weight of a degraded starch having a viscosity ?; of from 0.12 to 0.50 dl/g, at from 40 to 100°C in the presence of a peroxide- containing initiator.

542173

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