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US 4,224,455 AGranted
Sulfonated alkoxylated alkyl arylol maleate reactive surfactants
AssigneeStepan Chemical Company
InventorJulius H. Deutsch
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Abstract
New reactive surfactants or emulsifiers useful in a broad range of emulsion polymerization processes are provided, along with processes for making and using such. The reactive surfactants are comprised of ring sulfonated half esters of maleic anhydride with alkoxylated alkyl arylols.
Claims6
A reactive surfactant characterized by the formula ##STR7## wherein R.sub.1 is selected from the group consisting of ethylene, propylene, and mixtures thereof,
- R.sub.2 is an alkyl group containing from 8 to 18 carbon atoms,
- X is selected from the group consisting of hydrogen, alkali metals, lower alkanal amines, lower alkyl amines, and ammonium, and
- n is a positive number of from about 2 to 50.
Dependencies are inferred from the claim text.