Soil sealing compositions and methods

Details Soil sealing compositions and methods Soil sealing compositions and methods

1986-07-25

1987-06-02

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405263, 166294, 252 8551, 106 74, C09K 1700, E02D 312

Patent

active

046699201

ABSTRACT:
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.

REFERENCES:
patent: 3772893 (1973-11-01), Eilers
patent: 3832229 (1974-08-01), Du Brow et al.
patent: 4072020 (1978-02-01), Bishop
patent: 4354875 (1982-10-01), Powers et al.
patent: 4366071 (1982-12-01), McLaughlin et al.
patent: 4536305 (1985-08-01), Borchardt et al.
patent: 4558741 (1985-12-01), Borchardt et al.
patent: 4592931 (1986-06-01), Cargle

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