Aqueous polyurethane dispersions

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 75/04 (2006.01) C08K 3/00 (2006.01) C08K 3/22 (2006.01) C08L 61/10 (2006.01) C08L 63/00 (2006.01) C09J 161/10 (2006.01) C09J 163/00 (2006.01) C09J 175/04 (2006.01)

Patent

CA 2082570

O.Z. 0050/42813 Abstract of the Disclosure: Aqueous dispersions contain A) from 96.95 to 45% by weight of a polyurethane, B) from 3.0 to 50% by weight of a phenol/formaldehyde condensation resin or of an epoxy resin and C) from 0.05 to 5.0% by weight of an inorganic salt having a solubility of less than 1 g/l in water at 20°C, the percentages by weight being based on the sum of the components A), B) and C).

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