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    • 2. 发明授权
    • Method for producing phosphonic acid metal salt fine particles
    • 膦酸金属盐微粒的制造方法
    • US08445718B2
    • 2013-05-21
    • US13266962
    • 2010-05-12
    • Takeshi SuwaHisato HayashiMasaaki Ozawa
    • Takeshi SuwaHisato HayashiMasaaki Ozawa
    • C07F9/28
    • C07F9/3834C08K5/5317Y10T428/2982C08L67/04
    • There is provided to a method for efficiently producing phosphonic acid metal salt fine particles with an average particle diameter of 0.5 μm or less with high efficiency. A method for producing phosphonic acid metal salt fine particles, comprising: a) causing a reaction of a phosphonic acid compound of Formula (I): (where R1 and R2 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an alkoxycarbonyl group having 1 to 10 carbon atoms) with a base in an aqueous medium to adjust a pH range of the reaction system to be neutral to basic; b) causing a reaction of the product obtained in a) with a metal salt to precipitate a phosphonic acid metal salt from the aqueous medium; c) removing water from the phosphonic acid metal salt precipitated in b); and d) heating and drying the phosphonic acid metal salt from which water is removed in c).
    • 提供了高效率地生产平均粒径为0.5μm以下的膦酸金属盐微粒的方法。 一种制备膦酸金属盐微粒的方法,包括:a)使式(I)的膦酸化合物(其中R 1和R 2各自独立地为氢原子,具有1至10个碳原子的烷基) 或碳原子数为1〜10的烷氧基羰基)与碱在水性介质中调节反应体系的pH范围为中性至碱性; b)使a)中得到的产物与金属盐反应,从水介质中沉淀出膦酸金属盐; c)从b)中沉淀的膦酸金属盐除去水; 和d)加热和干燥在c)中除去水的膦酸金属盐。
    • 4. 发明申请
    • METHOD FOR PRODUCING PHOSPHONIC ACID METAL SALT FINE PARTICLES
    • 生产磷酸金属盐精细颗粒的方法
    • US20120046397A1
    • 2012-02-23
    • US13266962
    • 2010-05-12
    • Takeshi SuwaHisato HayashiMasaaki Ozawa
    • Takeshi SuwaHisato HayashiMasaaki Ozawa
    • C08K5/5317C08L67/04C07F9/40
    • C07F9/3834C08K5/5317Y10T428/2982C08L67/04
    • There is provided to a method for efficiently producing phosphonic acid metal salt fine particles with an average particle diameter of 0.5 μm or less with high efficiency. A method for producing phosphonic acid metal salt fine particles, comprising: a) causing a reaction of a phosphonic acid compound of Formula (I): (where R1 and R2 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an alkoxycarbonyl group having 1 to 10 carbon atoms) with a base in an aqueous medium to adjust a pH range of the reaction system to be neutral to basic; b) causing a reaction of the product obtained in a) with a metal salt to precipitate a phosphonic acid metal salt from the aqueous medium; c) removing water from the phosphonic acid metal salt precipitated in b); and d) heating and drying the phosphonic acid metal salt from which water is removed in c).
    • 提供了高效率地生产平均粒径为0.5μm以下的膦酸金属盐微粒的方法。 一种制备膦酸金属盐微粒的方法,包括:a)使式(I)的膦酸化合物(其中R 1和R 2各自独立地为氢原子,具有1至10个碳原子的烷基) 或碳原子数为1〜10的烷氧基羰基)与碱在水性介质中调节反应体系的pH范围为中性至碱性; b)使a)中得到的产物与金属盐反应,从水介质中沉淀出膦酸金属盐; c)从b)中沉淀的膦酸金属盐除去水; 和d)加热和干燥在c)中除去水的膦酸金属盐。