Method for coating a support with a dispersion based on an acrylic polymer and a cross-linking agent
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United States of America Patent
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Sep 18, 2018
Grant Date -
Dec 3, 2015
app pub date -
Dec 19, 2013
filing date -
Dec 27, 2012
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Abstract
A method for coating a support with an adhesion primer for improving the connection between the support and an active outer layer. To this end, the coating of the support with a layer of adhesion primer is carried out with an aqueous dispersion including (i) particles of at least one acrylic and/or methacrylic polymer having either a gel content of less than 50 wt. % and an acrylic and/or methacrylic acid copolymer content of at least 10 wt. %, or a gel content of at least 50 wt. %, and (ii) at least one cross-linking agent in an aqueous solution, that can allow interfacial cross-linking and leads to a residual content of free acid functions of the surface copolymer(s) of at least 5 wt. %.
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