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    • 83. 发明申请
    • POLYETHERIMIDE SULFONE COMPOSITIONS, METHOD OF MANUFACTURE, AND ARTICLES PREPARED THEREFROM
    • 聚乙二醇硫醚组合物,制造方法及其制备的制品
    • WO2017027238A1
    • 2017-02-16
    • PCT/US2016/044972
    • 2016-08-01
    • SABIC GLOBAL TECHNOLOGIES B.V.LOWERY, Daniel Francis
    • LOWERY, Daniel FrancisLEUNG, Kelly
    • C08G73/10
    • C08G73/1046C08G73/1064C08L79/08C08L2205/025
    • A thermoplastic composition is described herein including a first polyetherimide sulfone having a glass transition temperature of 250 to 290ºC, and a second polyetherimide sulfone having a glass transition temperature of 230 to 249ºC. The composition has an advantageous combination of optical properties including improved yellowness index, transmission, and haze. A method of manufacturing the thermoplastic composition and articles including the thermoplastic composition are also described. A method for improving the optical properties of a thermoplastic composition is also disclosed, where the method includes melt mixing the first and second polyetherimide sulfones, each having a glass transition temperature as defined herein. The method provides a composition having at least one of improved yellowness, haze, and transmission.
    • 本文描述了一种热塑性组合物,其包括玻璃化转变温度为250至290℃的第一聚醚酰亚胺砜和玻璃化转变温度为230至249℃的第二聚醚酰亚胺砜。 该组合物具有光学性质的有利组合,包括改善的黄度指数,透射率和雾度。 还描述了制造包含热塑性组合物的热塑性组合物和制品的方法。 还公开了一种用于改善热塑性组合物的光学性质的方法,其中该方法包括熔融混合第一和第二聚醚酰亚胺砜,每一种具有如本文所定义的玻璃化转变温度。 该方法提供具有改善的黄度,雾度和透射中的至少一种的组合物。
    • 87. 发明申请
    • METHODS OF MANUFACTURE OF POLYETHERIMIDES
    • 聚乙二醇的制备方法
    • WO2015160933A1
    • 2015-10-22
    • PCT/US2015/025948
    • 2015-04-15
    • SABIC GLOBAL TECHNOLOGIES B.V.CHAULAGAIN, Mani Raj
    • CHAULAGAIN, Mani RajGUGGENHEIM, Thomas LinkODLE, Roy Ray
    • C08G73/10
    • C08G73/1032C08G73/1021C08G73/1046C08G73/1064
    • A method of manufacture of a polyetherimide composition includes contacting a substituted phthalic anhydride and an organic diamine in the presence of diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing solvents at a temperature of greater than 130°C to provide a bis(phthalimide) composition comprising diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing solvents and a bis(phthalimide); and polymerizing the bis(phthalimide) and an alkali metal salt of a dihydroxy aromatic compound in the presence of diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing to form a polyetherimide. The method does not require any catalyst either for the imidization or the polymerization.
    • 一种制备聚醚酰亚胺组合物的方法包括在二苯基砜,环丁砜或包含至少一种上述溶剂的组合的存在下,在大于130℃的温度下使取代的邻苯二甲酸酐和有机二胺接触,以提供 包含二苯基砜,环丁砜或包含至少一种上述溶剂和双(邻苯二甲酰亚胺))的组合物的双(邻苯二甲酰亚胺)组合物。 在二苯基砜,环丁砜或包含至少一种前述物质的组合的存在下,使双(邻苯二甲酰亚胺)和二羟基芳族化合物的碱金属盐聚合形成聚醚酰亚胺。 该方法不需要用于酰亚胺化或聚合的任何催化剂。