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    • 2. 发明专利
    • Method for producing zeolite
    • 生产沸石的方法
    • JP2009113996A
    • 2009-05-28
    • JP2007285092
    • 2007-11-01
    • Fuji Kagaku Kk富士化学株式会社
    • NISHINO HIDEYAYAMAZAKI SEIJIISOBE HIROSHI
    • C01B39/22
    • PROBLEM TO BE SOLVED: To provide a method for producing zeolite which does not necessarily require use of expensive materials and can easily produce zeolite having an average particle diameter of ≤1 μm. SOLUTION: The method for producing zeolite includes a clear solution preparing step of preparing a clear solution which is a transparent aqueous solution containing an alkali metal silicate compound, sodium aluminate and an alkali metal hydroxide, and a crystallization step of crystallizing the prepared clear solution. The aqueous solution (clear solution) containing the compounds in such a molar composition ratio as not to produce hydrogel is prepared and the aqueous solution is crystallized by a method such as an autoclave or reflux method, whereby the objective zeolite having an average particle diameter of ≤1 μm can be obtained. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种不一定需要使用昂贵的材料并且可以容易地生产平均粒径为≤1μm的沸石的沸石的制造方法。 解决方案:沸石的制造方法包括制备透明溶液的澄清溶液的制备步骤,该澄清溶液是含有碱金属硅酸盐化合物,铝酸钠和碱金属氢氧化物的透明水溶液,以及结晶步骤,使制备的 清晰的解决方案。 制备含有不产生水凝胶的摩尔组成比的化合物的水溶液(透明溶液),并通过高压釜或回流方法使水溶液结晶,由此将平均粒径为 ≤1μm。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Composite metallic compound particle with particle size distribution controlled
    • 具有颗粒尺寸分布控制的复合金属化合物颗粒
    • JP2006232558A
    • 2006-09-07
    • JP2005026828
    • 2005-02-02
    • Fuji Kagaku Kk富士化学株式会社
    • OZAKI CHIYUUSHIUCHIDA FUMIOYAMADA KOJINISHINO HIDEYA
    • C01F17/00
    • PROBLEM TO BE SOLVED: To provide composite metallic compound particles composed of a central part and the circumferential covering layer, in which the central part is composed of a compound of rare earth metals, the covering layer is composed of a compound of metals other than rare earths, and the standard deviation of a particle size distribution lies within 15% of the average particle diameter, and which contributes to the provision of a functional material of high quality.
      SOLUTION: The composite metallic compound particles are each composed of a central part and the circumferential covering layer, and are characterized in that:(1) the central part is composed of at least one kind selected from the group consisting of the oxides, hydroxides and carbonates of rare earth metals; (2) the covering layer is composed of at least one kind selected from the group consisting of the oxides, hydroxides and carbonates of metals other than rare earths; (3) the average particle diameter of the composite metallic compound particles is 35 to 600 nm; and (4) the standard deviation in the particle distribution of the composite metallic compound particles lies within 15% of the average particle diameter.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供由中心部分和周围覆盖层组成的复合金属化合物颗粒,其中心部分由稀土金属化合物组成,覆盖层由金属化合物 除稀土之外,粒度分布的标准偏差在平均粒径的15%以内,有助于提供高质量的功能材料。 解决方案:复合金属化合物颗粒各自由中心部分和周向覆盖层组成,其特征在于:(1)中心部分由选自氧化物中的至少一种 ,稀土金属的氢氧化物和碳酸盐; (2)覆盖层由选自稀土以外的金属的氧化物,氢氧化物和碳酸盐的至少一种构成, (3)复合金属化合物粒子的平均粒径为35〜600nm, 和(4)复合金属化合物颗粒的颗粒分布的标准偏差在平均粒径的15%以内。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Manufacturing method of vitrified grinding wheel, and vitreous coupling agent raw material liquid for vitrified grinding wheel and its manufacturing method
    • 修补磨轮的制造方法,以及用于变形磨轮及其制造方法的维生素联合剂原料液
    • JP2003062755A
    • 2003-03-05
    • JP2001251564
    • 2001-08-22
    • Fuji Kagaku KkNoritake Co Ltd富士化学株式会社株式会社ノリタケカンパニーリミテド
    • NAGATA AKIRAIMAI HIROKINISHINO HIDEYA
    • B24D3/00B24D3/14C01B33/26C03B8/02C03C3/091C03C14/00
    • C03C3/091C03C14/004C03C2214/32
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a vitrified grinding wheel for securing a work surface grade matched with an abrasive grain diameter, in a fine grain vitrified grinding wheel.
      SOLUTION: In a vitrified grinding wheel 10, vitreous coupling agent 14 for coupling abrasive grains 12 is produced (deposited) between the abrasive grains 12 in a vitrified grinding wheel manufacturing process shown in Fig. 4, especially in a drying process P24 and a baking process P25 after a de- molding process P23, from three types of elements, Si, B and Al, contained in a grinding wheel raw material in which vitreous coupling agent raw material liquids 1 or 2, the abrasive grains 12 and a alkaline solution of curing agent are mixed. Even when the abrasive grain is a grain having a submicron particle of #20,000 or more (an average grain size of 5 μm or less) especially #64,000, a grain size is set to be further fine in comparison with the grain size of the abrasive grain. After baking, therefore, grinding process of a work surface grade matched with the abrasive grain diameter can be carried out.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种用于确保与磨粒直径相匹配的工作表面等级的玻璃化砂轮在细晶粒玻璃化砂轮中的制造方法。 解决方案:在玻璃化砂轮10中,在图1所示的玻璃化砂轮制造过程中,在磨料颗粒12之间产生(沉积)用于连接磨粒12的玻璃质偶联剂14。 4,特别是在脱模工艺P23之后的干燥工艺P24和烘焙工艺P25中,由三种类型的元素Si,B和Al包含在其中玻璃质偶联剂原料液1或 如图2所示,磨料颗粒12和固化剂的碱性溶液混合。 即使磨粒是具有#20,000以上(平均粒径为5μm以下)的亚微米粒子,特别是#64,000的粒子,与磨料的粒径相比,粒径设定得更细 粮食。 因此,烘烤后,可以进行与磨粒直径相匹配的工作表面等级的磨削加工。