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US 4,227,980 AGranted
Photoreactive coating compositions based on urethane modified acrylates
AssigneeWhittaker Corporation
InventorsSiegfried A. Pregitzer, Jay K. Laufer, John J. Marino, James W. Hancock
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Abstract
Novel photoreactive coating compositions based on urethane modified acrylates which may be employed alone or in mixtures with other photoreactive acrylates are disclosed.
Claims3
A radiation curable decorating ink comprising:
- a substantial proportion of at least one photoreactive compound of the formula:
- ##STR6## wherein R is cyclohexyl or C.sub.6-8 aryl,
- R' is C.sub.2-4 alkylene, and
- R" is H or CH.sub.3 ;
- 2% to 20% of at least one photoinitiator based upon the weight of said photoreactive compound;
- at least one free radical inhibitor;
- and
- 20% to 60% of at least one pigment based upon the total weight of said ink.
5 more elements
A radiation curable can coating comprising:
- a substantial proportion of at least one photoreactive compound of the formula:
- ##STR8## wherein R is cyclohexyl or C.sub.6-8 aryl,
- R' is C.sub.2-4 alkylene, and
- R" is H or CH.sub.3 ;
- at least one photoreactive resin;
- at least one photoinitiator;
- at least one acrylic monomer or oligomer;
- at least one lubricant;
- and
- at least one free-radical inhibitor.
7 more elements
Dependencies are inferred from the claim text.