Primer and laminate including resin coating film containing the same
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United States of America Patent
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May 14, 2013
Grant Date -
Jul 21, 2011
app pub date -
Sep 24, 2009
filing date -
Oct 1, 2008
priority date (Note) -
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Abstract
The present invention provides a primer for a laminate for packaging having print suitability, such as excellent transfer properties of printing ink and dot reproducibility, high adhesive properties, excellent storage stability for a long period of time under highly humid conditions, and acid resistance which are obtained by improving adhesion between the base layer, a printing ink layer, a coating layer, and an adhesive layer; and a laminate containing the primer layer, and the primer containing: a main component (A) containing a copolymer containing, as a monomer, an unsaturated compound (a) having a hydroxyl group, and at least one unsaturated compound (b) selected from the group consisting of unsaturated carboxylate, styrene, unsaturated carboxylic acid, unsaturated hydrocarbon, vinyl ester, and a halogenated vinyl compound; a curing agent (B) containing a compound having an isocyanate group; and a compound (C) having 2 or more of a carboxylic acid group or 1 or more of an anhydrous carboxylic acid group.
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