Carpet backing compounds thickened by...

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C - Chemistry, Metallurgy

08

G

C08G 18/08 (2006.01) C08G 18/48 (2006.01) D06N 7/00 (2006.01)

Patent

CA 2394309

An aqueous dispersed polymeric composition for preparing a carpet backing is provided. The aqueous dispersed polymeric composition comprises an aqueous dispersed polymeric material and a hydrophobically-modified ethylene-oxide- based urethane block copolymer. In the preferred embodiment, the aqueous dispersed polymeric material is an aqueous polyurethane dispersion composition. Moreover, a method for preparing a carpet backing using the aqueous dispersed polymeric composition is provided.

L'invention porte sur une dispersion aqueuse de polymères servant à préparer des substrats de tapis comprenant un matériau polymérique dispersé dans l'eau et un copolymère bloc d'uréthane à base d'oxyde d'éthylène rendu hydrophobe. Dans l'exécution préférée le matériau polymérique dispersé est une dispersion aqueuse de polyuréthane. L'invention porte également sur un procédé de préparation d'un substrat de tapis à l'aide de la susdite composition.

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