Stable aqueous dispersions of hydrocarbon resins and water soluble polyaminopolyamide-epichlorohydrin resin as dispersing agent

An essentially stable aqueous hydrocarbon resin dispersion consisting essentially of, by weight, from about 5.5 parts to about 50 parts solids and from about 94.5 parts to about 50 parts water;

• the solids content consisting essentially of, by weight, (a) from about 5 parts to about 45 parts hydrocarbon resin particles and (b) from about 0.5 part to about 10 parts of a water-soluble cation polymeric dispersing agent, component (a) being a hydrocarbon resin from ethylenically unsaturated hydrocarbon monomers having a ring and ball softening point of from about 45.degree.C. to about 150.degree.C., a molecular weight of from about 350 to about 2000, and an acid number of less than about 1, component (b) being a water-soluble polyaminopolyamide--epichlorohydrin resin consisting essentially of the reaction product of an aminopolyamide and epichlorohydrin utilizing from about 1 mole to about 1.5 moles of epichlorohydrin for each amine group of the aminopolyamide, said aminopolyamide consisting essentially of the reaction product of a polyalkylenepolyamine and a dicarboxylic acid in a mole ratio of polyalkylenepolyamine to dicarboxylic acid of from about 0.8:1 to about 1.4:1.