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US 12,577,412 B2Granted
Corrosion inhibiting coating compositions
AssigneePRC-DeSoto International, Inc.
InventorsMegan Elizabeth Ferlic, Christopher Andrew Dacko, Stephen Glenn McQuown, John Robert Yetter, Jr., Michael Allen Mayo, Elizabeth Anne Furar, Cedric John Hils, Justin Jonathan Martin, Mary Lyn Chong Lim
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Abstract
The present invention is directed to a coating composition comprising a film-forming binder; and a corrosion inhibitor comprising at least one of morpholines, monosulfides, and/or piperazines. The present invention is also directed to coatings, coated metal substrates, multi-layered coated metal substrates, and methods of coating substrates.
Claims13
An electrodepositable coating composition comprising:
- a film-forming binder comprising:
- an ionic salt group-containing film-forming polymer;
- and
- a curing agent;
- and
- a corrosion inhibitor comprising at least one morpholine,
- wherein the at least one morpholine comprises 4-phenyl-thiomorpholine-3,5-dione, 2-morpholino-4-phenylthiazole, 4-(4-phenyl-2-thiazolyl)-morpholine, 4-(2-thienylmethyl)morpholine, 4-(4-morpholinylacetyl)morpholine, 4-(4-morpholinyldisulfanyl)morpholine, 2,6-dimethyl-4-[(3-methyl-2-thienyl)carbonyl]morpholine, 2,6-dimethyl-4-(2-pyrazinylcarbonyl)morpholine, 4-[(3-methyl-2-thienyl)methyl]morpholine, 4-{[(4-morpholinylmethyl)sulfanyl]methyl}morpholine, 4-[2-(5-ethyl-2-pyridinyl)ethyl]morpholine, 4-[4-(4-morpholinyl)butyl]morpholine, 4-(5-methoxy-2-methyl-4-pyrimidinyl)morpholine, 4-(5-methyl-2-pyrimidinyl)morpholine, 4-[(1,3-dimethyl-1 h-pyrazol-5-yl)carbonyl]morpholine, 4-[(1-methyl-1 h-pyrazol-5-yl)carbonyl]morpholine, 4-[(3,5-dimethyl-1 hpyrazol-1-yl)carbonyl]morpholine, 4-{[(3-{[2-(4-morpholinyl)-2-oxoethyl]sulfanyl}-1,2,4-thiadiazol-5-yl)sulfanyl]acetyl}morpholine, and/or morpholin-4-yl morpholine-4-carbodithioate.
4 more elements
Dependencies are inferred from the claim text.