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US 8,227,050 B1Granted
Coating composition and method for coating substrates
AssigneeE. I. Du Pont de Nemours and Company
InventorJames William O'Neil
Life of this patent
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Abstract
The present invention is directed to a UV curable coating composition, which includes one or more monomers, one or more multifunctional oligomers, one or more pigments, one or more photoinitiators, and volatile organic solvent. The coating composition can be used as a primer in repairing and refinishing automobiles. The coating composition provides short drying times and a cured coating that does not need to be wiped. A method of applying the coating composition is also provided.
Claims14
A coating composition, which upon cure forms a coating, said composition consisting essentially of:
- I) a component A comprising in the range of from 0.01 percent to 10 percent of one or more monomers;
- II) a component B comprising in the range of from 5.0 percent to 50.0 percent of one or more multifunctional oligomers;
- III) a component C comprising in the range of from 10.0 percent to 70.0 percent of one or more pigments, fillers or a combination thereof;
- IV) a component D comprising in the range of from 0.5 percent to 15 percent of one or more photoinitiators;
- and
- V) a component E comprising in the range of from 21 percent to 40 percent of volatile organic solvent, wherein all of said percentages are in weight percent based on the total weight of the composition;
- and
- wherein, the cured coating composition is free from any sticky, uncured material.
5 more elements
Dependencies are inferred from the claim text.