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    • 2. 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。
    • 10. 发明申请
    • METHODS FOR THE MANUFACTURE OF AN AROMATIC BISIMIDE AND A POLYETHERIMIDE
    • 制备芳香族双苯亚酰胺和聚醚酰亚胺的方法
    • WO2017117449A1
    • 2017-07-06
    • PCT/US2016/069309
    • 2016-12-29
    • SABIC GLOBAL TECHNOLOGIES B.V.GUGGENHEIM, Thomas Link
    • GUGGENHEIM, Thomas LinkODLE, Roy RayCHAULAGAIN, Mani Raj
    • C07D403/12C07D209/34
    • C07D209/34C07D403/12
    • A method for producing an aromatic bisimide includes reacting a dialkali metal salt of a dihydroxy aromatic compound with an N-alkyl nitrophthalimide to form a product mixture including the aromatic bisimide. The N-alkyl nitrophthalimide includes 4-nitro-N-(C 1-13 alkyl)phthalimide, 3-nitro-N-(C 1-13 alkyl)phthalimide, or a combination including at least one of the foregoing, and 4-hydroxy-3,5-dinitro-N-(C 1-13 alkyl)phthalimide in an amount of 1-10000 ppm. The aromatic bisimide can be obtained in a yield of greater than 75%, or 90-99.8%. A method for the manufacture of a polyetherimide, a polyetherimide, and an article including the polyetherimide are also disclosed. A mixed acid nitration process for the preparation of an N-alkyl nitrophthalimide is also described.
    • 生产芳族双酰亚胺的方法包括使二羟基芳族化合物的二碱金属盐与N-烷基硝基邻苯二甲酰亚胺反应以形成包含芳族双酰亚胺的产物混合物。 N-烷基硝基邻苯二甲酰亚胺包括4-硝基-N-(C 1〜13烷基)邻苯二甲酰亚胺,3-硝基-N-(C 1〜13烷基)邻苯二甲酰亚胺, 或包含至少一种前述物质的组合和1-1,000ppm量的4-羟基-3,5-二硝基-N-(C 1-13烷基)邻苯二甲酰亚胺。 芳族双酰亚胺可以以大于75%或90-99.8%的收率获得。 还公开了制造聚醚酰亚胺,聚醚酰亚胺和包含聚醚酰亚胺的制品的方法。 还描述了用于制备N-烷基硝基邻苯二甲酰亚胺的混合酸硝化方法。