Latex-reinforced polyurethane sewer sealing composition

Details Latex-reinforced polyurethane sewer sealing composition Latex-reinforced polyurethane sewer sealing composition

1981-04-23

1984-10-09

Pertilla, Theodore E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

405264, 523130, 524493, 524507, 524916, C08L 7508

Patent

active

044762763

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: 3719050 (1973-03-01), Asao et al.
patent: 3951898 (1976-04-01), Paul
patent: 3985688 (1976-10-01), Speech
patent: 4119602 (1978-10-01), Isgur et al.

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