C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/04 (2006.01) C08J 7/04 (2006.01)
Patent
CA 2105271
18 ABSTRACT Two component-coating agents and emulsions which can be used for their preparation. The coating agents contain: A) 10 to 40 wt.-% of one or more polyols having a number average molecular weight (Mn) of 500 to 200000, an OH-number of 15 to 300 and a content of ionic groups and/or groups convertible into ionic groups of 5 to 400 meq/100 9 solid resin, which are at least partly neutralized, B) 0.5 to 10 wt.-% of one of more chlorinated polyolefines having a chlorine content of 15 to 35 wt.-%, C) 5 to 40 wt.-% of one or more aromatic solvents having a boiling range from 100 to 160 C, D) 25 to 75 wt.-% of water, E) O to 30 wt.-% of one or more further water dilutable binders which are free from groups reactive with NCO, the percentages by weight of components A) to E) adding up to 100 wt.-% and F) one or more polyisocyanates having on average at least two free isocyanate groups per molecule, in such an amount that the ratio of the number of reactive isocyanate groups to the OH-groups of the polyols is 0.5 : 1 to 5 : 1. The coating agents can be used for the preparation of one-layer coatings for base-coat layers of plastic substrates.
Diener Wolfgang
Krieter Manuela
Obloh Ronald
Schreiber Peter
Herberts Gesellschaft Mit Beschrankter Haftung
Kirby Eades Gale Baker
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