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    • 82. 发明专利
    • Method of producing boehmite sol, boehmite sol, method of producing recording medium and recording medium
    • 生产BOEHMITE SOL,BOEHMITE SOL,生产记录介质和记录介质的方法
    • JP2003313027A
    • 2003-11-06
    • JP2003039352
    • 2003-02-18
    • Taimei Chemicals Co Ltd大明化学工業株式会社
    • FUJITA TAKAYUKIARIGA SHIGEMITANAKA MINORU
    • B41J2/01B41M5/00B41M5/50B41M5/52C01F7/02C01F7/14
    • PROBLEM TO BE SOLVED: To provide a method of producing a boehmite sol by which a recording medium capable of performing recording of high quality can be produced on information recording by an ink jet process, to provide a boehmite sol, to provide a method of producing a recording medium using the same, and to provide a recording medium.
      SOLUTION: A boehmite sol used for the production of a recording medium for an ink jet is produced. In this case, amorphous alumina hydrate slurry prepared by neutralization reaction between a basic aluminum chloride aqueous solution and a sodium aluminate aqueous solution, preferably under the condition of ≤40°C is subjected to hydrothermal treatment in an alkali region of pH ≥10 at ≥120°C to form boehmite slurry. Thereafter, the slurry is deflocculated to form a boehmite sol. The viscosity of the boehmite sol in the case the sol concentration is controlled to 20 wt.% expressed in terms of Al
      2 O
      3 is ≤100 cP. Also the mean fine pore size of pores formed in boehmite fine powder obtained by drying the boehmite sol is ≥15 nm. The volume of the pores is ≥0.5 cc/g.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种生产勃姆石溶胶的方法,通过该方法可以通过喷墨工艺在信息记录上产生能够进行高质量记录的记录介质,从而提供勃姆石溶胶,以提供勃姆石溶胶 制造使用该记录介质的记录介质的方法,并提供记录介质。 解决方案:制造用于生产喷墨记录介质的勃姆石溶胶。 在这种情况下,优选在≤40℃的条件下,碱性氯化铝水溶液和铝酸钠水溶液之间的中和反应制备的无定形氧化铝水合物浆料在pH≥10的碱性区域≥ 120℃以形成勃姆石浆。 此后,浆料被絮凝以形成勃姆石溶胶。 在溶胶浓度控制为20重量%的情况下,勃姆石溶胶的粘度按照Al 2 3 表示为≤100cP。 在勃姆石溶胶中干燥得到的勃姆石细粉中形成的孔的平均细孔尺寸也是≥15nm。 孔的体积≥0.5cc/ g。 版权所有(C)2004,JPO
    • 83. 发明专利
    • Rotary tool and manufacturing method for the same
    • 旋转工具及其制造方法
    • JP2003285272A
    • 2003-10-07
    • JP2002090784
    • 2002-03-28
    • Taimei Chemicals Co LtdXebec Technology Co Ltd大明化学工業株式会社株式会社ジーベックテクノロジー
    • KIKUZAWA KENJIYAMAGISHI ICHIROMATSUSHITA TAKASHI
    • B24D3/28B24D3/00B24D5/02B24D7/02
    • PROBLEM TO BE SOLVED: To provide a long-life rotary tool and a manufacturing method for the same by improving the structural arrangement of inorganic long fiber bundles composing an inorganic long fiber reinforced resin body to prevent the delamination.
      SOLUTION: In the inorganic long fiber reinforced resin body 10 comprising the rotary tool 1, the first fiber bundles 6A and the second fiber bundles 6B are arranged to cross each other, so that the front ends of the inorganic long fibers always reach a machining surface regardless of a direction the machining surface is facing. Also, the first fiber bundles 6A and the second fiber bundles 6B are arranged to be spaced at a prescribed distance, which makes part of the second fiber bundles 6B come in among the first fiber bundles 6A, while making part of the first fiber bundles 6A come in among the second fiber bundles 6B, thus both fiber bundles do not form a clear layer structure.
      COPYRIGHT: (C)2004,JPO
    • 解决的问题为了提供一种长寿命的旋转工具及其制造方法,通过改进构成无机长纤维增强树脂体的无机长纤维束的结构布置来防止分层。 解决方案:在包括旋转工具1的无机长纤维增强树脂体10中,第一纤维束6A和第二纤维束6B布置成彼此交叉,使得无机长纤维的前端总是到达 加工表面,而不管加工表面所面向的方向如何。 此外,第一纤维束6A和第二纤维束6B被布置成以规定的距离隔开,这使得第二纤维束6B的一部分进入第一纤维束6A中,同时使第一纤维束6A的一部分 进入第二纤维束6B中,因此两束纤维束不形成透明层结构。 版权所有(C)2004,JPO