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    • 6. 发明专利
    • Desiccant raw material and its manufacturing method
    • 致密原料及其制造方法
    • JP2009178681A
    • 2009-08-13
    • JP2008021527
    • 2008-01-31
    • Sakamoto Sekkai Kogyosho:Kk有限会社坂本石灰工業所
    • SAKAMOTO TATSUNOBUTAKAGI YASUNORI
    • B01J20/04A23L3/40C01F11/02C04B2/02
    • PROBLEM TO BE SOLVED: To provide a desiccant raw material which can be completely restrained from reacting with water and has enhanced safety and to provide a method for manufacturing the desiccant raw material.
      SOLUTION: A method for manufacturing the desiccant raw material comprises the steps of: mixing a calcined lime particle 11 with a higher fatty acid 12 to form such a primary particle 10 that the whole surface of the calcined lime particle 11 is covered with the higher fatty acid 12; granulating the primary particle to form such a secondary particle 20 that the primary particles 10 are coagulated while using the higher fatty acid 12 as a binder; and coating the whole surface of the secondary particle 20 completely with the higher fatty acid 12 to improve the water repellency. The possibility that the calcined lime particle 11 is in contact with water is made extremely low and is restrained from reacting with water. The amount of the higher fatty acid 12 to be added to the calcine lime particle 11 is preferably adjusted to 6-17 mass%, for example.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供可完全抑制与水反应并具有增强的安全性的干燥剂原料,并提供制造干燥剂原料的方法。 解决方案:用于制造干燥剂原料的方法包括以下步骤:将煅烧石灰颗粒11与高级脂肪酸12混合以形成这样的初级颗粒10,使煅烧石灰颗粒11的整个表面被覆盖 高级脂肪酸12; 对一次粒子进行造粒,形成二次粒子20,一次粒子10在使用高级脂肪酸12作为粘合剂的同时凝结; 并且用高级脂肪酸12将二次粒子20的整个表面完全涂覆,以提高防水性。 煅烧石灰粒子11与水接触的可能性非常低,并且被抑制与水反应。 添加到煅烧石灰粒子11中的高级脂肪酸12的量优选为例如6〜17质量%。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Method for producing calcium hydroxide slurry
    • 生产氢氧化钙浆料的方法
    • JP2006298732A
    • 2006-11-02
    • JP2005126777
    • 2005-04-25
    • Tokuyama Corp株式会社トクヤマ
    • KATO HIROYOSHICHIYARIN TAKASHI
    • C04B2/02C01F11/02C04B2/06
    • PROBLEM TO BE SOLVED: To provide a method for producing calcium hydroxide slurry having an average particle size of 3 μm or smaller, which reduces the required quantity of a polymer dispersant used in order to obtain slurry of a predetermined particle size as well as inhibits change in slurry viscosity with time after the pulverization is carried out.
      SOLUTION: In the production of the calcium hydroxide slurry having an average particle size of 3 μm or smaller, the pulverization is carried out while adjusting the quantity of the dispersant to be added and its adding time so that the quantity of the polymer dispersant present in the slurry liquid phase is 20 mg or less per 1 g of calcium hydroxide.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:为了提供平均粒径为3μm以下的氢氧化钙浆料的制造方法,为了得到规定的粒径的浆料,可以减少使用的聚合物分散剂所需的量 作为粉碎后抑制浆料粘度随时间的变化。 解决方案:在平均粒径为3μm以下的氢氧化钙浆料的制造中,在调整分散剂的添加量和添加时间的同时进行粉碎,使得聚合物的量 存在于浆料液相中的分散剂相对于1g氢氧化钙为20mg以下。 版权所有(C)2007,JPO&INPIT