C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 75/04 (2006.01) C08J 9/00 (2006.01) D06N 7/00 (2006.01)
Patent
CA 2262782
The present invention is a polyurethane carpet backing prepared from a polyurethane-forming composition wherein fly ash is included as a filler material. High loadings of fly ash can be obtained without detriment to the process for preparing a polyurethane carpet backing, or adverse effect to the physical properties of the carpet baking.
La présente invention concerne une sous-couche de tapis en polyuréthanne, préparée à partir d'une composition de formation de polyuréthanne, dans laquelle on a inclus des cendres volantes en tant que matériau de charge. On peut obtenir des charges élevées de cendres volantes sans nuire en rien au procédé de préparation d'une sous-couche de tapis en polyuréthanne, ou sans incidence négative sur les propriétés physiques de cette sous-couche.
Dow Global Technologies Inc.
Smart & Biggar
The Dow Chemical Company
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