Alkali swellable acrylic emulsions without surfactants, use thereof in aqueous formulations, and formulations containing them

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专利权人:

COATEX S.A.S.

发明人:

Suau Jean-Marc

申请号：

US201113160558

公开号：

US9487597(B2)

申请日:

2011.06.15

申请国别(地区):

美国

年份:

2016

代理人:

Oblon, McClelland, Maier & Neustadt, L.L.P.

摘要：

The present invention pertains to new alkali swellable thickening emulsions, free of surfactants and solvents other than water: as a result, all drawbacks related to the use of solvents, or to the formation of foam in the case of surfactants, are avoided. These new emulsions contain a certain quantity of 2-acrylamido-2-methylpropane sulfonic acid (or AMPS, CAS #: 40623-75-4). They have proven effective at thickening aqueous mediums, particularly water-based paints, paper coatings, aqueous suspensions of mineral materials, detergents, cosmetic formulations, or formulations containing a hydraulic binder.

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