Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1998-04-13
1999-06-29
Nutter, Nathan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
510405, 510417, 510422, 510470, 510473, 510475, C11D 138, C11D 186
Patent
active
059169672
ABSTRACT:
Aqueous compositions comprising two or more surfactants and an associative thickener, where the type and amounts of the surfactants are selected to provide an aqueous solution having enhanced thickening properties, is disclosed. In particular, selected surfactant mixtures combined with certain hydrophobically-modified polyetherurethane thickeners provide enhanced thickening properties that are not available when the individual surfactants are combined with thickener. A method for improving the thickening properties of aqueous solutions using the mixed surfactant/associative thickener is also disclosed. The mixed surfactant/associative thickeners of the invention are useful as thickening agents in a variety of formulations such as paints, coatings, cosmetics, personal care items and cleaners.
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Jones Charles Elwood
Reeve Paul Francis David
Howell Thomas J.
Nutter Nathan M.
Rohm and Haas Company
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