An aqueous polyolefin resin dispersion, a process for producing the same, and a water-based coating material comprising the same are provided. The aqueous polyolefin resin dispersion contains a polyolefin resin containing 50 to 98% by mass of an unsaturated hydrocarbon having 3 to 6 carbon atoms and 0.5 to 20% by mass of an unsaturated carboxylic acid unit, and a basic compound, and contains substantially no water-compatibilizing agent having a boiling point of 185.degree. C. or higher at normal pressure. The polyolefin resin has a number average particle size of 1 .mu.m or smaller in the aqueous dispersion.

 
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> Methods for producing branched-polyether resin composition and acid pendant branched-polyether resin composition

> Polymerization with living characteristics

~ 00585