Process for preparing aqueous emulsion
AssigneeNippon Mektron, Ltd.
InventorsKazuhiro Yamamoto, Yuzuru Ishida
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Abstract
An aqueous emulsion having distinguished water- and oil-repellency and quite free from any organic solvent is prepared by emulsion polymerization of a polyfluoroalkyl group-containing (meth)acrylic acid ester and stearyl (meth)acrylate at a pH condition of 2 to 5.5 in the presence of a betaine type emulsifier or an alkylamine oxide type emulsifier and a nonionic emulsifier.
Claims10
A process for preparing an aqueous emulsion, which comprising emulsion polymerizing a polyfluoroalkyl group-containing (meth)acrylic acid ester and stearyl (meth)acrylate at a pH condition of 2 to 5.5 in the presence of a betaine type emulsifier or an alkylamine oxide type emulsifier and a nonionic emulsifier.
Dependencies are inferred from the claim text.