Wasserverdünnbares Überzugsmittel auf Polyol- und Polyisocyanatbasis, Verfahren zu dessen Herstellung und seine Verwendung

摘要

A water-dilutable coating, a process for preparing the same and its use are disclosed. The coating contains: A) 40 to 95 % by weight of a film-forming, possibly at least partially neutralised polyurethane resin containing OH groups, or a mixture of such resins, as an aqueous dispersion; B) 60 to 5 % by weight of one or several polyisocyanates having more than one free isocyanate group and rendered fluid at room temperature, by admixture of one or several organic solvents; and C) optionally one or several additional binders, usual pigments, fillers and/or the usual lacquer additives and auxiliary substances. The percentages by weight of A) and B) refer to the solid resin content and add up to 100 % by weight.