Sealing method using latex-reinforced polyurethane sewer sealing

Details Sealing method using latex-reinforced polyurethane sewer sealing Sealing method using latex-reinforced polyurethane sewer sealing

1979-06-25

1982-02-16

Novosad, Stephen J.

Hydraulic and earth engineering

Earth treatment or control

Chemical

166295, 260 292TN, 260 296NR, 405 52, 405135, 405270, C08G 1812, C08G 1814, E02B 316, E02D 312

Patent

active

043157033

ABSTRACT:
A sealing composition prepared by reacting water-soluble polyurethane prepolymer with water containing latex to provide a gelled viscous mass which will cure to a cross-linked latex-reinforced gel capable of preventing or inhibiting leakage in various structures, when applied at the site of the leakage in the viscous state. The sealing composition of the invention also preferably contains up to 60% by weight of fillers of the total weight of the composition to provide a high compressive strength, shrink-resistant sealing composition.

REFERENCES:
patent: 3190847 (1965-06-01), Mitchell et al.
patent: 3223163 (1965-12-01), Koch et al.
patent: 3730271 (1973-05-01), Gall
patent: 3798186 (1974-03-01), Nakade et al.
patent: 3894131 (1975-07-01), Speech
patent: 3943078 (1976-03-01), James
patent: 3951898 (1976-04-01), Paul
patent: 3953975 (1976-05-01), Busler et al.
patent: 3993618 (1976-11-01), Muck et al.
patent: 4061618 (1977-12-01), Stanley et al.
patent: 4114382 (1978-09-01), Kubens et al.

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