Processes of applying urethane top coatings to resilient...

Details Processes of applying urethane top coatings to resilient... Processes of applying urethane top coatings to resilient...

D - Textiles, Paper

06

N

117/116

D06N 3/18 (2006.01) D06N 3/08 (2006.01)

Patent

CA 1059386

PROCESSES OF APPLYING URETHANE TOP COATINGS TO RESILIENT PRIOR COVERINGS ABSTRACT OF THE DISCLOSURE In a process for manufacturing a resilient, resinous floor covering having a polyuretane surface coating, the in-line manufacturing im- provment which comprises: applying to a foamable resinous sheet material a urethane coating com- position having a viscosity in the range of from about 40 centipoises to about 100 centipoises, the application of the urethane coating composi- tion being accomplished by a reverse-roll coating precedure wherein the casting ratio is in the range of from about 0.8:1 to about 1.1:1; and then in an in-line manufacturing step, heating the coated, foamable, resinous sheet material to dry and to cure the urethane coating composition and to blow the foamable, resinous sheet material to form a resilient, resinous floor covering having a polyurethane surface coating.

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