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Last Updated Saturday, October 10 2015

Michelman patents primer coating

Published February 8, 2010
Patent No. U.S. 7,470,736 B2
Michelman has obtained a patent for a primer coating for enhancing adhesion of liquid toner to a polymeric substrate. The coating is comprised of a mixture of from approximately 60%-95% weight of a dispersion of a copolymer of ethylene and acrylic or methacrylic acid;  5%-40% of a compatible adhesion enhancer selected from the group consisting of an aliphatic polyurethane dispersion, a hydrogenated hydrocarbon rosin or rosin ester dispersion, and an amorphous acrylic polymer dispersion; and from 0.05%-1.0% by weight of a metal hydroxide.

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