Emulsion Paint of Aromatic Petroleum Resin. I. Emulsification of Aromatic Petroleum Resin Solution in Water

Abstract

Industrial emulsification of an aromatic petroleum resin solu tion in bodied linseed oil was investigated using an emulsion inversion process. It was found that the preferred surfactant had the best match in solubility parameter between olefinic group and resin solution A slight variation was found in optimum H LB for emulsification, depending on the chemical family of surfactants chosen, but independent on resin molecular weight. The average particle size of the emulsion obtained showed an ordi nary tendency to be dependent on speed of agitation, rate of water addi tion, resin viscosity, and surfactant concentration.

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