Soil sealing compositions and methods

Details Soil sealing compositions and methods Soil sealing compositions and methods

C - Chemistry, Metallurgy

09

K

31/10

C09K 17/00 (2006.01) C09K 17/40 (2006.01)

Patent

CA 1268934

ABSTRACT Soil Sealing Compositions and Methods A soil sealing composition suitable for reducing the permeability of soil to water contaminated with electrolyte comprises an expanding lattice clay and a water soluble or water swellable polymer having a molecular weight of at least 500,000 and that is a copolymer of 2-acrylamido-2-methyl propane sulphonic acid, or certain other ethylenically unsaturated sulphonic acids, together with other ethylenically unsaturated monomer, preferably a blend of acrylamide and acrylic acid.

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