PROCEDES D'APPLICATION DE REVETEMENTS DE DESSUS A BASE DE POLYURETHANES SUR DES REVETEMENTS DE SOL ELASTIQUES

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 composition having a viscosity in the range of from about 10 centipoises...

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Bibliographische Detailangaben
1. Verfasser:	JEFFREY TUCKER PEARSON, DONALD ROLAND SENIOR, ROBERT F. CONGER ET VINCENT F. POGOZELSKI
Format:	Patent
Sprache:	fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING LAUNDERING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL WORKING-UP
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Beschreibung
Zusammenfassung:	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 composition 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 polyurethane 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.