Gel-forming compositions and the use thereof

Details Gel-forming compositions and the use thereof Gel-forming compositions and the use thereof

1981-02-26

1985-06-04

Childs, S. L.

Coating processes

Coating pavement or the earth

166295, 405264, 427140, 4273855, 4273936, 525157, 525381, 525382, B05C 116, B05D 510

Patent

active

045214522

ABSTRACT:
Preparation of polymeric gels, filaments, and films prepared by producing a uniform dispersion of a water soluble acrylamide polymer or copolymer in the water insoluble reaction product of certain water soluble aldehydes and water soluble primary amines. The reaction is carried out in aqueous solution. Gel formation time may range from a few seconds to several minutes depending on selection of appropriate parameters. The gels have many desirable properties such as preparation from relatively nontoxic components, superior adhesion, toughness, and water impermeability. The gels have many uses such as adhesives, sealing cracks and joints in pipes, stabilizing earthen formations, waterproofing subgrade construction and as intermediates in the preparation of films, filaments, and membranes. Gels for these purposes may be treated with carbon dioxide to provide a color change and additional surface hardness.

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