Two component polyurethane sealant

Details Two component polyurethane sealant Two component polyurethane sealant

1991-09-10

1993-03-16

Kight, III, John

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...

524 16, 524 35, 524 47, 524450, 524495, 524733, 524734, 524791, 524847, 528 59, 528 61, 528 73, 528 75, C08L 102, C08L 302, C08L 9900, C08G 1828

Patent

active

051944880

ABSTRACT:
Two-component polyurethane sealants, in particular for the direct glazing of motor vehicles, comprising (A) a pasty polyurethane component containing a polyurethane prepolymer having free isocyanate groups, and a curing agent, and (B) a pasty water-containing component, component (A) containing a blocked curing agent which can be liberated by water, and component (B) containing the water, reversibly bonded to a carrier substance which liberates the water in a delayed manner after components (A) and (B) have been mixed.

REFERENCES:
patent: 3341488 (1967-09-01), O'Connor
patent: 3567692 (1971-03-01), Haggis et al.
patent: 3779794 (1973-12-01), De Santis
patent: 4029626 (1977-06-01), Gillemot et al.
patent: 4192937 (1980-03-01), Noll et al.
patent: 4341689 (1982-07-01), Doshi et al.
patent: 4469857 (1984-09-01), John
patent: 4518718 (1985-05-01), Frost
patent: 4720519 (1988-01-01), Orywol et al.
Sax et al, Hawley's Condensed Chemical Dictionary, Eleventh Edition, Van Nostrand Reinhold, New York, 1987, p. 672.

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