Aqueous dispersions

C - Chemistry – Metallurgy – 08 – L

Patent

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154/141, 400/551

C08L 75/04 (2006.01) C08F 283/00 (2006.01) C08G 18/08 (2006.01) C08G 18/76 (2006.01) C08G 18/79 (2006.01) C08L 57/00 (2006.01) C09D 157/00 (2006.01) C09D 175/04 (2006.01) C09J 175/04 (2006.01)

Patent

CA 1337309

An aqueous polymer dispersion containing a water-dispersible polyurethane and a vinyl polymer, the polyurethane being the product of reacting an active hydrogen containing chain extender with a water-dispersible isocyanate-terminated polyurethane prepolymer derived from a polyisocyanate component containing at least 5% by weight of 2,4'-diphenylmethane diisocyanate. The dispersions are useful as coating compositions.

577415

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