Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1996-01-22
1998-05-26
Marcheschi, Michael
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
10615771, 10621701, 1062173, 1061591, 1061451, 106445, 106241, 428357, 4285375, 1621811, C09D 100
Patent
active
057558710
ABSTRACT:
A high brightness coating composition made from a pigment made of a major pigment portion of a hydrous kaolin having a TAPPI brightness of at least about 85 and a minor pigment portion of a calcined kaolin, and a binder, where the pigment is substantially free of titanium dioxide. A high brightness coating composition made from a pigment made from a major pigment portion of a hydrous kaolin having a TAPPI brightness of at least about 85 and a minor pigment portion made from a calcined kaolin and titanium dioxide, and a binder, wherein titanium dioxide makes up less than about 15 dry parts per hundred of the pigment. A method of using a coating composition to coat a low brightness substrate such as basestock, where the resultant coated substrate has a TAPPI brightness of at least about 75, by coating the substrate with from about 1 to about 5 lbs./msf of a coating composition of the invention and, optionally, coating the substrate with a second coating of at least about 2 lbs./msf of the coating composition. A coated paper product having a TAPPI brightness of at least about 75 comprising a substrate coated with a first coating of from 1 to 5 lbs./msf of a coating composition of the invention and, optionally, a second coating of at least about 2 lbs./msf of the coating composition disposed over the first coating weight.
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Hollingsworth, et al., The Effect of Calcined Clays on the Printability of coated Rotogravure and Offset Printing Papers, 1983 Coating Conference, TAPPI Proceedings (no month).
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