Isocyanate-free polyurethane dispersions

C - Chemistry – Metallurgy – 08 – G

Patent

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117/195, 400/741

C08G 71/04 (2006.01) B05D 1/00 (2006.01) B05D 7/00 (2006.01) C03C 17/28 (2006.01) C08J 3/02 (2006.01) C08J 3/03 (2006.01) C08L 75/04 (2006.01) C09D 175/04 (2006.01)

Patent

CA 1299796

HOE 85/F 289 Abstract of the disclosure: Polyurethane dispersions based on reaction products from A) bismethylolated urethanes having at least 2 urethane groups and B) polyhydroxyl compounds which contain groups which are capable of ion formation, these groups being present in neutralized form, and a process for the pre- paration thereof. The use of the dispersions for the surface-coating of metal, plastics, glass, leather and paper.

525830

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