Stock material or miscellaneous articles – Composite – Of silicon containing
Patent
1975-10-28
1977-09-13
Van Balen, William J.
Stock material or miscellaneous articles
Composite
Of silicon containing
428 72, 428182, 428537, B32B 1900
Patent
active
040483738
ABSTRACT:
A panel is provided forming a water barrier and comprising two opposing spaced sheets having between said spaced sheets a sealant composition comprising bentonite; a water soluble dispersing agent selected from the group consisting of a water-soluble salt of acetic acid, a water-soluble salt of phosphoric acid, and a water-soluble salt of boric acid; and a water-soluble polymer selected from the group consisting of polyacrylic acid, water-soluble salts of polyacrylic acid, hydrolyzed polyacrylonitrile, polyvinyl acetate, polyvinyl acid and maleic anhydride, the amount of water-soluble polymer in said sealant composition being from 0.1% to 3.0%, by weight, and the amount of water-soluble dispersant in said sealant composition being from 0.1% to 3.0%, by weight, the weight ratio of water-soluble dispersant to water-soluble polymer being from 6:1-36. The panel is disposed against a foundation to act as a water barrier, shielding the foundation against water seepage.
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American Colloid Company
Van Balen William J.
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