Heat curable one package polyurethane resin composition

Details Heat curable one package polyurethane resin composition Heat curable one package polyurethane resin composition

1986-08-06

1988-01-12

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525424, 525454, 525460, C08F28304, C08L 7700

Patent

active

047192674

ABSTRACT:
A heat curable one package polyurethane resin composition adaptable to use for automotive seam sealing, particularly under high solids acrylic enamel paints, said composition comprising an isocyanate terminated polyurethane prepolymer having pendant epoxy groups along the polymer chain and the isocyanate groups of which are blocked by reaction with an oxime, and a curing agent having at least two active hydrogen atoms per molecule, such as a polyol, a polyamine, or a blocked polyamine.

REFERENCES:
patent: 3375299 (1968-03-01), Levine
patent: 3639657 (1972-02-01), Moran et al.
patent: 3645943 (1972-02-01), Krawczyk
patent: 3886228 (1975-05-01), Bolger
patent: 4101497 (1978-07-01), Charves
patent: 4500604 (1985-02-01), Herold et al.
patent: 4507443 (1985-03-01), Barron et al.
Schwarzer, "The Anchimeric Effect of Various Groups on Epoxide Ring Reactivity", 25th Annual Technical Conference, 1970, Reinforced Plastics/Composites Division, The Society of the Plastics Industry, Inc.

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