Dispersion of particulates in an aqueous medium
作者： William F. Masler , Zahid Amjad
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摘要: Dispersion of particulate matter, especially iron, is obtained by adding to an aqueous medium 0.5 500 ppm a copolymer containing at least one each the following three monomer moieties: (a) monounsaturated carboxylic acids as well salts and anhydrides thereof, 3 5 carbon atoms, such acrylic acid methacrylic acid; (b) acrylamidoalkane sulfonic 2-acrylamido-2-methylpropane (c) primary copolymerizable monomers selected from vinyl alcohol, styrene mixtures thereof.
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