Polyurethane floor varnish and floor materials coated therewith

Details Polyurethane floor varnish and floor materials coated therewith Polyurethane floor varnish and floor materials coated therewith

1979-09-24

1981-06-16

Cockeram, H. S.

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...

4284231, 4284233, 4284248, 4284258, 528 59, 528 66, C08G 1832, C08G 1872, B32B 2740

Patent

active

042739128

ABSTRACT:
A tough, wear-resistant polyurethane coating composition particularly suited for providing a protective coating on an elastomeric flooring is provided by the moisture-cured reaction product of an organic isocyanate-terminated prepolymer produced by reacting a diol component comprising at least one diol having a weighted average molecular weight between about 500 and 1200 and two primary hydroxyl groups, sufficient diisocyanate compound having two terminal isocyanate groups and sufficient compatible catalyst to facilitate the cure of the prepolymer. The invention also includes a floor covering material having a traffic surface coated with the coating composition.

REFERENCES:
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patent: 3652506 (1972-03-01), Gibier-Rambaud et al.
patent: 3652508 (1972-03-01), Segur et al.
patent: 3705879 (1972-12-01), Brizgys
patent: 3706710 (1972-12-01), Camilleri et al.
patent: 3792023 (1974-02-01), Havenith et al.
patent: 4018745 (1977-04-01), Peterson
patent: 4038239 (1977-07-01), Coyner et al.
patent: 4103056 (1978-07-01), Baratto et al.
patent: 4125545 (1978-11-01), Kroplinski et al.

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