Back to results
US 5,726,225 AGranted
Corrosion inhibitors in powder coatings
AssigneeCiba Specialty Chemicals Corporation
InventorsAdalbert Braig, Hugh Stephen Laver
Life of this patent
Estimating the term…
Abstract
A description is given of powder coating compositions comprising a) an organic film-forming binder, and b) as corrosion inhibitor i) at least one compound of the formula I ##STR1## in which R.sub.1 is hydrogen, C.sub.1 -C.sub.12 alkyl or C.sub.5 -C.sub.8 cycloalkyl, X is oxygen, sulfur or --NH--, Y is a direct bond, methylene, ##STR2## and Z is oxygen or ##STR3## and ii) at least one calcium-modified silicate pigment.
Claims15
A powder coating composition comprising
- a) an organic film-forming binder, and
- b) as corrosion inhibitor i) at least one compound of the formula I ##STR14## in which R.sub.1 is hydrogen, C.sub.1 -C.sub.12 alkyl or C.sub.5 -C.sub.12 cycloalkyl,
- X is oxygen, sulfur or --NH--,
- Y is a direct bond, methylene, ##STR15## and Z is oxygen or ##STR16## and ii) at least one calcium-modified silicate pigment.
1 more element
Dependencies are inferred from the claim text.