Aqueous coating agent, its manufacture and use for producing...

Details Aqueous coating agent, its manufacture and use for producing... Aqueous coating agent, its manufacture and use for producing...

C - Chemistry, Metallurgy

09

D

C09D 175/04 (2006.01) B05D 7/16 (2006.01) B05D 7/26 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/80 (2006.01) C09D 7/12 (2006.01) C09D 175/06 (2006.01)

Patent

CA 2086156

23 Abstract Aqueous coating agent comprising a water-dilutable mixture of binding agents consisting of I. 50 to 88 wt.-% of a neutralised water-soluble reaction product comprising (A) 10 to 80 wt.-% of a polyurethane resin with an acid number of 70 to 160, at least one terminal blocked isocyanate group devoid of free hydroxyl groups and fatty acid residues with more than 12 C- atoms and with a limiting viscosity number of 6.5 to 12.0 ml/g, measured in DMF at 20°C, and (B) 20 to 90 wt.-% of a polyester resin with an OH-number of 50 to 500, an acid number of less than 20, a limiting viscosity number of 8.0 to 13.0 ml/g, measured in DMF at 20°C, with the reaction product having a limiting viscosity number of 13.5 to 18.0 ml/g measured in DMF at 20°C. II. 10 to 40 wt.-% of one or several blocked polyisocyanates not capable of being diluted with water, and III. 2 to 30 wt.-% of at least one amine resin by way of additional cross-linking agent.

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