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    • 2. 发明授权
    • Methods for producing iron methacrylate and hydroxyalkyl methacrylate
    • 生产甲基丙烯酸铁和甲基丙烯酸羟烷基酯的方法
    • US08697899B2
    • 2014-04-15
    • US13822017
    • 2011-12-26
    • Naoshi MurataKuniyoshi OguraTakeshi MatsuoAkira Yoshioka
    • Naoshi MurataKuniyoshi OguraTakeshi MatsuoAkira Yoshioka
    • C07F15/00C07C67/26
    • B01J31/12B01J31/2226B01J2531/842C07C51/412C07C67/26C07C69/54C07C57/04
    • There is provided a method for producing iron methacrylate being inexpensive, and being high in activity and selectivity and good in solubility to a reaction liquid when being used in production of a hydroxyalkyl methacrylate as a catalyst. The method for producing iron methacrylate for production of a hydroxyalkyl methacrylate according to the present invention includes subjecting a mixture of a metallic iron having an oxygen atom content by XRF analysis of the surface thereof of 6% by mass or lower, and methacrylic acid to a heat treatment at 95° C. or higher and lower than 110° C. for 100 to 600 min. The method for producing a hydroxyalkyl methacrylate according to the present invention includes reacting an alkylene oxide with methacrylic acid to produce the hydroxyalkyl methacrylate, wherein iron methacrylate produced by the method according to the present invention is used as a catalyst.
    • 本发明提供了生产廉价的甲基丙烯酸铁的方法,并且当用于生产甲基丙烯酸羟烷基酯作为催化剂时,其活性和选择性高,对反应液的溶解性好。 制造本发明的甲基丙烯酸羟烷基酯的甲基丙烯酸铁的制造方法包括将表面的XRF分析得到的具有氧原子含量的金属铁的混合物的6质量%以下,甲基丙烯酸与 在95℃以上且低于110℃进行100〜600分钟的热处理。 根据本发明的制备甲基丙烯酸羟烷基酯的方法包括使环氧烷与甲基丙烯酸反应以制备甲基丙烯酸羟烷基酯,其中使用根据本发明的方法制备的甲基丙烯酸铁作为催化剂。
    • 4. 发明授权
    • Method for producing a (meth)acrylate
    • (甲基)丙烯酸酯的制造方法
    • US08859804B2
    • 2014-10-14
    • US13148206
    • 2010-02-04
    • Ryuichi AnsaiHiroyuki NogamiKuniyoshi Ogura
    • Ryuichi AnsaiHiroyuki NogamiKuniyoshi Ogura
    • C07C67/08C07C67/54C07C69/54
    • C07C67/08C07C67/54C07C69/54
    • Disclosed is a method for producing a (meth)acrylate ester wherein a high purity (meth)acrylate ester is obtained with a high yield, with a reduced loss of (meth)acrylic acid anhydride. In the method, (meth)acrylic acid is recovered with a high yield, and the (meth)acrylate ester is purified easily. Specifically disclosed is a method for producing a (meth)acrylate ester which comprises: (1) a step of producing (meth)acrylic acid anhydride by reacting a specific fatty acid anhydride and (meth)acrylic acid, while removing a by-produced fatty acid; (2) a step of obtaining a (meth)acrylate ester by reacting an alcohol and unpurified (meth)acrylic acid anhydride obtained in step (1) preferably at a temperature not less than 90° C.; and (3) a step of recovering (meth)acrylic acid by distillation preferably at a temperature not less than 90° C. The method may also comprise a step of heating or distilling the reaction liquid obtained in step (2) at a temperature not less than 90° C.
    • 公开了一种制备(甲基)丙烯酸酯的方法,其中以(Y)丙烯酸酐的损失减少,高产率获得高纯度(甲基)丙烯酸酯。 在该方法中,以高收率回收(甲基)丙烯酸,容易地纯化(甲基)丙烯酸酯。 具体公开了一种(甲基)丙烯酸酯的制造方法,该方法包括:(1)通过使特定的脂肪酸酐和(甲基)丙烯酸反应,同时除去副产的脂肪 酸; (2)优选在不低于90℃的温度下使醇与步骤(1)中得到的未纯化的(甲基)丙烯酸酐反应得到(甲基)丙烯酸酯的步骤; 和(3)优选在不低于90℃的温度下通过蒸馏回收(甲基)丙烯酸的步骤。该方法还可以包括在步骤(2)中获得的反应液体在不是 小于90℃
    • 8. 发明申请
    • METHODS FOR PRODUCING IRON METHACRYLATE AND HYDROXYALKYL METHACRYLATE
    • 生产甲基丙烯酸甲酯和羟丙基甲基丙烯酸酯的方法
    • US20130172591A1
    • 2013-07-04
    • US13822017
    • 2011-12-26
    • Naoshi MurataKuniyoshi OguraTakeshi MatsuoAkira Yoshioka
    • Naoshi MurataKuniyoshi OguraTakeshi MatsuoAkira Yoshioka
    • B01J31/12C07C67/26
    • B01J31/12B01J31/2226B01J2531/842C07C51/412C07C67/26C07C69/54C07C57/04
    • There is provided a method for producing iron methacrylate being inexpensive, and being high in activity and selectivity and good in solubility to a reaction liquid when being used in production of a hydroxyalkyl methacrylate as a catalyst. The method for producing iron methacrylate for production of a hydroxyalkyl methacrylate according to the present invention includes subjecting a mixture of a metallic iron having an oxygen atom content by XRF analysis of the surface thereof of 6% by mass or lower, and methacrylic acid to a heat treatment at 95° C. or higher and lower than 110° C. for 100 to 600 min. The method for producing a hydroxyalkyl methacrylate according to the present invention includes reacting an alkylene oxide with methacrylic acid to produce the hydroxyalkyl methacrylate, wherein iron methacrylate produced by the method according to the present invention is used as a catalyst.
    • 本发明提供了生产廉价的甲基丙烯酸铁的方法,并且当用于生产甲基丙烯酸羟烷基酯作为催化剂时,其活性和选择性高,对反应液的溶解性好。 制造本发明的甲基丙烯酸羟烷基酯的甲基丙烯酸铁的制造方法包括将表面的XRF分析得到的具有氧原子含量的金属铁的混合物的6质量%以下,甲基丙烯酸与 在95℃以上且低于110℃进行100〜600分钟的热处理。 根据本发明的制备甲基丙烯酸羟烷基酯的方法包括使环氧烷与甲基丙烯酸反应以制备甲基丙烯酸羟烷基酯,其中使用根据本发明的方法制备的甲基丙烯酸铁作为催化剂。
    • 9. 发明申请
    • METHOD FOR PRODUCING A (METH)ACRYLATE
    • 制备(甲基)丙烯酸酯的方法
    • US20110301379A1
    • 2011-12-08
    • US13148206
    • 2010-02-04
    • Ryuichi AnsaiHiroyuki NogamiKuniyoshi Ogura
    • Ryuichi AnsaiHiroyuki NogamiKuniyoshi Ogura
    • C07C67/08
    • C07C67/08C07C67/54C07C69/54
    • Disclosed is a method for producing a (meth)acrylate ester wherein a high purity (meth)acrylate ester is obtained with a high yield, with a reduced loss of (meth)acrylic acid anhydride. In the method, (meth)acrylic acid is recovered with a high yield, and the (meth)acrylate ester is purified easily. Specifically disclosed is a method for producing a (meth)acrylate ester which comprises: (1) a step of producing (meth)acrylic acid anhydride by reacting a specific fatty acid anhydride and (meth)acrylic acid, while removing a by-produced fatty acid; (2) a step of obtaining a (meth)acrylate ester by reacting an alcohol and unpurified (meth)acrylic acid anhydride obtained in step (1) preferably at a temperature not less than 90° C.; and (3) a step of recovering (meth)acrylic acid by distillation preferably at a temperature not less than 90° C. The method may also comprise a step of heating or distilling the reaction liquid obtained in step (2) at a temperature not less than 90° C.
    • 公开了一种制备(甲基)丙烯酸酯的方法,其中以(Y)丙烯酸酐的损失减少,高产率获得高纯度(甲基)丙烯酸酯。 在该方法中,以高收率回收(甲基)丙烯酸,容易地纯化(甲基)丙烯酸酯。 具体公开了一种(甲基)丙烯酸酯的制造方法,该方法包括:(1)通过使特定的脂肪酸酐和(甲基)丙烯酸反应,同时除去副产的脂肪 酸; (2)优选在不低于90℃的温度下使醇与步骤(1)中得到的未纯化的(甲基)丙烯酸酐反应得到(甲基)丙烯酸酯的步骤; 和(3)优选在不低于90℃的温度下通过蒸馏回收(甲基)丙烯酸的步骤。该方法还可以包括在步骤(2)中获得的反应液体在不是 小于90℃