High preformance one-component urethane compositions with excell

Details High preformance one-component urethane compositions with excell High preformance one-component urethane compositions with excell

1988-11-14

1989-11-07

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 69, 528 73, 548216, C08G 1828

Patent

active

048793655

ABSTRACT:
A storage stable one-component air curable urethane coating composition having improved color, abrasion resistance and weather resitance comprising at least twenty percent by weight of resin solids of a compound comprising at least one oxazolidine ring chemically combined from the nitrogen atom of the ring through an alkylene-urethane linking group to a tetramethylxylylenediisocyanate prepolymer radical.
The invention also comprises the method for preparing the compound and composition and a method for coating a surface by applying the composition of the invention to the surface and exposing the applied composition to air having a relative humidity of at least 10% and incudes an article coated with the cured composition.

REFERENCES:
patent: 3743626 (1973-07-01), Emmons
patent: 4024117 (1977-05-01), Emmons
patent: 4032686 (1977-06-01), Emmons
patent: 4381388 (1983-04-01), Naples
patent: 4471102 (1984-09-01), Petschke

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