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: | chi ; eng |
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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.
披露了未固化的支化聚酯-氨基甲酸酯树脂,其通过具有多元醇链段、不饱和的多羧酸和/或其酸酐和/或酯和氨基甲酸酯链段的不饱和的聚酯预聚物的自由基聚合制备,其中该聚合主要地通过不饱和度的反应来发生。还披露了包含该树脂的涂料,以及至少部分地涂覆有该涂料的基材。 |
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