Anti-powdering and anti-static polymer film for digital printing
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United States of America Patent
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Jun 8, 2021
Grant Date -
May 21, 2015
app pub date -
Nov 17, 2014
filing date -
Nov 19, 2013
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Abstract
A coated polymer film, such as a coated polyester film, is disclosed. In one embodiment, the coated film may be used as a substrate for digital printing. In one embodiment, the coating contains an anionic anti-static agent comprising a sulphonated copolyester resin. In an alternative embodiment, the coating contains an anti-static agent comprising an organometallic, such as an organo zirconate, in combination with metal oxide particles. The metal oxide particles may comprise nanoparticles. In one embodiment, the coating can further contain a print enhancing agent and an adhesion promoter.
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