Polyurethane backed products and methods

Details Polyurethane backed products and methods Polyurethane backed products and methods

C - Chemistry, Metallurgy

08

G

C08G 18/36 (2006.01) C08G 18/42 (2006.01) D06N 3/14 (2006.01) D06N 7/00 (2006.01)

Patent

CA 2663809

A surface covering such as a carpet, carpet tile, area rug, floor mat or the like incorporating a textile face disposed in contacting overlying relation to at least one polyurethane layer. One or more optional intermediate structure layers may be disposed within, on, over, or under the polyurethane layer and one or more optional backing layers may be disposed across the underside of the polyurethane layer. Polyurethane compositions preferably including castor oil may form the precoat, tiecoat, and/or backing.

L'invention concerne un revêtement de surface comme une moquette, un carreau de moquette, un tapis, un tapis de sol ou analogue, incorporant une face textile disposée dans une relation de recouvrement avec contact sur au moins une couche de polyuréthanne. Une ou plusieurs couches de structures intermédiaires facultatives peuvent être disposées dans, sur, au-dessus ou au-dessous de la couche de polyuréthanne, et une ou plusieurs couches de renfort facultatives peuvent être disposées sur le côté inférieur de la couche de polyuréthanne. Des compositions de polyuréthanne comprenant de préférence de l'huile de ricin peuvent former la couche de prérevêtement, la couche de liaison et/ou la couche de renforcement.

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