BRANCHED POLYESTER-URETHANE RESINS AND COATINGS COMPRISING THE SAME
An uncured branched polyester-urethane resin prepared by free radical polymerization of an unsaturated polyester prepolymer having a polyol segment, an unsaturated polycarboxylic acid and/or an anhydride and/or ester thereof, and a urethane segment, wherein the polymerization occurs primarily by rea...
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Format: | Patent |
Sprache: | eng ; spa |
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Zusammenfassung: | An uncured branched polyester-urethane resin prepared by free radical polymerization of an unsaturated polyester prepolymer having a polyol segment, an unsaturated polycarboxylic acid and/or an anhydride and/or ester thereof, and a urethane segment, wherein the polymerization occurs primarily by reaction of the unsaturation is disclosed. Coatings comprising the same are also disclosed, as are substrates coated at least in part with such coatings.
Se describe una resina de poliéster ramificado-uretano no curada preparada por polimerización por radicales libres de un prepolímero de poliéster insaturado que tiene un segmento de poliol, un ácido y/o un anhídrido y/o un éster policarboxílico insaturado del mismo, y un segmento de uretano, en donde la polimerización ocurre principalmente mediante la reacción de la insaturación. También se describen recubrimientos que comprenden lo mismo, tal como son sustratos recubiertos, al menos en parte, con tales recubrimientos. |
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