Aqueous polymer dispersions containing an epihalohydrin

Claim 1

A COMPOSITION OF MATTER COMPRISING AN AQUEOUS ALKALINE DISPERSION OF A WATER-INSOLUBLE LINEAR ADDITION COPOLYMER OF MONOETHYLENICALLY UNSATURATED MOLECULES, FORMED EXCLUSIVELY OF ATOMS SELECTED ROM THE GROUP CONSISTING OF CARBON, HYDROGEN, OXYGEN, NITROGEN, SULFUR, AND ALKALI METAL ATOMS, AND CONTAINING, IN POLYMERIZED FORM, AT LEAST 1/2 MOLE PERCENT OF UNITS SELECTED FROM THE GROUP CONSISTING OF (1) UNITS CONSSTING OF SALTS OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, ITANOIC ACID AND MALEIC ACID CONTAINING COOM GROUPS IN WHICH M IS SELECTED FROM THE GROUP CONSISTING OF HN4, ALKALI METALS, AND RADICALS FORMED BY NEUTRALIZATION OF A COOH GROUP BY A WATER-SOLUBLE AMINE, AND (2) UNITS HAVING GROUPS HAAVING REACTIVE HYDROGEN ATOMS SELECTED FROM THE GROUP CONSISTING OF ALCOHOLIC HYDROXY, PRIMARY AMINO, SECONDARY AMINO, AND AMIDO GROUPS, THE CONTENT OF THE AFORESAID UNITS BEING INSUFFICIENT TO RENDER THE COPOLYMER SOLUBLE IN THE AQUEOUS ALKALINE MEDIUM, AND 1/2 TO 8% BY WEIGHT, BASED ON THE WEIGHT OF COPOLYMER, OF AN EMULSIFIER, SAID COMPOSITION BEING MODIFIED BY THE INCORPORATION THEREIN OF ABOUT 0.5% TO 30% BY WEIGHT, BASED ON THE WEIGHT OF THE COPOLYMER, OF AN EPIHALOHYDRIN SELECTED FROM THE GROUP CONSISTING OF EPICHLOROHYDRIN, EPIBROMOHYDRIN, AND EPIIODOHYDRIN.