D - Textiles – Paper – 06 – N
Patent
D - Textiles, Paper
06
N
117/113
D06N 3/18 (2006.01) D06N 3/08 (2006.01) D06N 3/14 (2006.01)
Patent
CA 1079133
PROCESSES OF APPLYING URETHANE TOP COATINGS TO RESILIENT FLOOR COVERINGS ABSTRACT OF THE DISCLOSURE In a process for manufacturing a resilient, resinous floor covering having a polyurethane surface coating, the in-line manufacturing improvement which comprises: applying. to a foamable resinous sheet material a urethane coating com- position having a viscosity in the range of from about 10 centipoises to about 100 centipoises, the application of the urethane coating composition being accomplished by a reverse- roll coating procedure 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 poly- urethane surface coating, the curing of the urethane coating composition not being in excess of about 80% during the heating and blowing of the foamable resinous sheet material.
278069
Conger Robert P.
Pogozelski Vincent F.
LandOfFree
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