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    • 28. 发明授权
    • Polymer compositions containing an ultraviolet light absorbing compound
    • 含有紫外光吸收化合物的聚合物组合物
    • US07491760B2
    • 2009-02-17
    • US11204461
    • 2005-08-16
    • Jason Clay PearsonDouglas Stephens McWilliamsGether Irick, Jr.Max Allen Weaver
    • Jason Clay PearsonDouglas Stephens McWilliamsGether Irick, Jr.Max Allen Weaver
    • C08K5/3495
    • C08K5/34C08K5/13C08K5/5205C08L67/02
    • This invention relates to a polymer composition comprising (A) at least one polyester prepared by the reaction of at least one diol with at least one dicarboxylic acid/or dialkyl ester thereof in the presence of a metallic catalyst; (B) a salt comprising at least one suitable phosphorus-containing acid and at least one suitable basic organic compound, such as a hindered amine light stabilizer; (C) at least one ultraviolet light absorbing compound and optionally at least one phenolic antioxidant. A second embodiment of the present invention pertains to a blend of (A) at least one polyester prepared by the reaction of at least one diol with at least one dicarboxylic acid/or dialkyl ester thereof in the presence of a metallic catalyst; (B) a salt comprising at least one suitable phosphorus-containing acid and at least one suitable basic organic compound; (C) at least one ultraviolet light absorbing compound and, optionally, at least one phenolic antioxidant; and (D) at least one polycarbonate.
    • 本发明涉及一种聚合物组合物,其包含(A)至少一种通过至少一种二醇与至少一种二羧酸或其二烷基酯在金属催化剂存在下反应制备的聚酯; (B)含有至少一种合适的含磷酸和至少一种合适的碱性有机化合物如受阻胺光稳定剂的盐; (C)至少一种紫外光吸收化合物和任选的至少一种酚类抗氧化剂。 本发明的第二个实施方案涉及(A)至少一种通过至少一种二醇与至少一种二羧酸或其二烷基酯在金属催化剂存在下反应制备的聚酯的共混物; (B)包含至少一种合适的含磷酸和至少一种合适的碱性有机化合物的盐; (C)至少一种紫外光吸收化合物和任选的至少一种酚类抗氧化剂; 和(D)至少一种聚碳酸酯。