B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 7/24 (2006.01) B05D 1/02 (2006.01) D04H 1/64 (2006.01) D06N 3/00 (2006.01) D06N 7/00 (2006.01)
Patent
CA 2459270
The present invention is directed to a method for applying an aqueous polymer dispersion to a substrate involving forming a polymer dispersion having a viscosity of from 10 to 5,000 m.Pas, and applying the dispersion to a substrate at a pressure of from 100 to 1500 psi. The method is useful with porous substrates, and especially in non-woven materials. The process provides a precise means of coating a polymer dispersion on the surface of a substrate, or with controlled penetration into the substrate.
L'invention concerne un procédé permettant d'appliquer une dispersion polymère aqueuse sur un substrat consistant à former une dispersion polymère présentant une viscosité d'environ 10 à 5 000 m.PAS, et à appliquer cette dispersion sur un substrat à une pression d'environ 100 à 1 500 psi. Ce procédé est utile pour des substrats poreux, et en particulier pour des matériaux non tissés. Ce procédé constitue un moyen précis pour appliquer un revêtement de dispersion polymère sur la surface d'un substrat, ou effectuer une pénétration contrôlée dans le substrat.
Scott Paul
Sol Andre
Celanese International Corporation
National Starch And Chemical Investment Holding Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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