C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/66 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C08G 18/28 (2006.01) C08G 18/32 (2006.01) C08G 18/36 (2006.01) C08G 18/48 (2006.01)
Patent
CA 2353987
The present invention is a polyurethane dispersion that can be used to prepare polyurethane polymers which have moisture resistant properties. Moisture resistant polymers of the present invention are obtained by preparing the polymers from a polyurethane dispersion using a prepolymer formulation which includes an aliphatic mono, di or polyhydroxy compound which has an aliphatic side chain substituent which contains from 5 to 30 carbon atoms.
Cette invention a trait à une dispersion de polyuréthanne pouvant servir à la préparation de polymères à résistance améliorée à l'humidité. On produit ces polymères à partir d'une formulation de prépolymères renfermant un composé aliphatique monohydroxy, dihydroxy ou polyhydroxy pourvu d'un substituant de chaîne latérale aliphatique portant de 5 à 30 atomes de carbone.
Dow Global Technologies Inc.
Smart & Biggar
The Dow Chemical Company
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