High release coatings for printing and coating rollers
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United States of America Patent
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Dec 7, 1999
Grant Date -
N/A
app pub date -
Feb 12, 1998
filing date -
Feb 12, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Coated rollers (10) with a hard, high release, non-marking, coating with excellent non-stick properties are disclosed for use as idler rollers, or as laminating, coating or printing rollers. The release coating comprises an outermost coat (15) which includes a silicone-epoxy emulsion in a water-based curing system that is sprayed or brushed on a roller core and then allowed to cure at room temperature. The release coating further comprises a primer coat (16) of silicone-epoxy in a water base that is also sprayed or brushed on the roller to form a coat and then allowed to cure at room temperature. Methods for making such rollers are also disclosed.
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