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US 6,974,852 B2Granted
Emulsifier system for aqueous emulsion polymerization
AssigneeBASF SE
InventorsBernd Stanger, Peter Keller, Eckehardt Wistuba, Andree Dragon
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Abstract
An emulsifier system comprising a) a salt of a sulfuric monoester of a C9-C15 alcohol or of an alkoxylated C9-C15 alcohol, and b) an alkoxylated C8-C16 alcohol, and the use of this emulsifier system for preparing aqueous polymer dispersions.
Claims10
A process for preparing an aqueous polymer dispersion by free-radical emulsion polymerization of at least one ethylenically unsaturated monomer, which comprises
- carrying out said polymerization with an emulsifier system consisting of
- a) at least one salt of a sulfuric monoester of an ethoxylated lauryl alcohol,
- b) at least one alkoxylated branched C8-C16 alcohol, and
- c) a phenol- or naphthalenesulfonic acid-formaldehyde condensate.
1 more element
Dependencies are inferred from the claim text.