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Bayer Materialscience, LLC

Bayer Aktiengesellschaft

Catherine M Britsch

Richard R Roesler

Edward P Squiller

Karsten Danielmeier

Rolf Gertzmann

Terrell Dean Wayt

Michele E Vargo

Charles A Gambino

Katherine M Ratliff

The present invention relates to a binder-containing coating composition, which may be cured by free radical polymerization, wherein the binder resins contain A) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxyl compounds containing two ethylenically unsaturated groups, B) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxy functional lactone ester (meth)acrylates having a number average molecular weight of about 200 to 2,000, and C) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxy functional (meth)acrylates.

Coating compositions containing ethylenically unsaturated polyurethanes as binders

A radiation curable coating composition that includes from about 5 to about 70% by weight of the reaction product of i) one or more polyisocyanates, where at least 10 equivalent percent of the isocyanate groups are in the form of uretdione groups, and ii) one or more hydroxy functional lactone ester (meth)acrylates. The amount of component i), on an isocyanate equivalent basis, is equal to the amount of hydroxy equivalents of hydroxy containing materials in the composition. The composition can be used to coat substrates by coating at least a portion of the substrate with the above-described coating composition and subjecting the coated substrate to radiation.

Radiation curable coatings based on uretdione polyisocyanates

In-situ preparation of polyaspartic ester mixtures

Polyaspartate resins with good hardness and flexibility

Polyaspartate resins with improved flexibility

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Pittsburgh, PA, United States of America

Catherine M Britsch