AQUEOUS BASECOAT AND PRODUCTION OF MULTI-COAT PAINT SYSTEMS USING THE BASECOAT
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United States of America Patent
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Sep 30, 2021
app pub date -
Jul 12, 2017
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Jul 15, 2016
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Abstract
Described herein is an aqueous basecoat material including at least one aqueous polyurethane-polyurea dispersion (PD) with polyurethane-polyurea particles present in the dispersion and having an average particle size of 40 to 2000 nm and a gel fraction of at least 50%, and also including at least one aqueous dispersion (wD) which includes a polymer prepared by a successive radical emulsion polymerization of three different mixtures (A), (B), and (C), of olefinically unsaturated monomers. Also described herein are multicoat paint systems produced using the basecoat materials.
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