High performance water-based primer
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United States of America Patent
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May 15, 2007
Grant Date -
Sep 22, 2005
app pub date -
Mar 22, 2004
filing date -
Mar 22, 2004
priority date (Note) -
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Abstract
The present invention relates to an aqueous primer composition for use in manufacturing flexographic printing plates. The aqueous primer composition comprises a polyurethane, a copolymer, a layered silicate, and optionally a surfactant and/or a dye or pigment. The use of the layered silicate as a filler in the primer composition produces an improved primer composition with a stronger water/solvent resistance and less delamination.
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