Abstract: Powder coating composition obtainable by homogeneous mixing of a separately produced particulate component
A prepared from one or more epoxy resins having an epoxy equivalent weight of 250 to 2500, one or more curing components together with conventional lacquer auxiliary substances and additives and optionally pigments and/or fillers and
a separately produced particulate component
prepared from one or more resins differing from A having an acid value of 20 to 70 and/or an OH value of 10 to 100, one or more curing components together with conventional lacquer auxiliary substances and additives and optionally pigments and/or fillers,
in a mixing ratio of component A to component B of 1:99 to 50:50, relative to weight.
Type:
Grant
Filed:
March 28, 2000
Date of Patent:
December 10, 2002
Assignee:
Dupont Performance Coatings GmbH & Co. KG
Inventors:
Evgueni Davydov, Frank Dieter Zimmermann