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    • 92. 发明授权
    • Aqueous solution of zinc nitrite and method for production thereof
    • 亚硝酸锌水溶液及其生产方法
    • US07083772B2
    • 2006-08-01
    • US10466182
    • 2002-01-11
    • Yutaka KinoseToru HataEriko Okuno
    • Yutaka KinoseToru HataEriko Okuno
    • C01B21/06B01D61/44
    • C23C22/13B01D61/44C23C22/73
    • An aqueous zinc nitrite solution which contains substantially no calcium (Ca) ions is provided, in which, in terms of the aqueous zinc nitrite [Zn(NO2)2] solution having an NO2 concentration of 10% by weight, the sodium (Na) ion concentration is 200 to 2000 ppm and the sulfate (SO4) ion concentration is 20 ppm or less in the solution. The aqueous zinc nitrite solution can be prepared by providing a zinc compound and an alkali nitrite as raw materials and subjecting the raw materials to electrolytic synthesis through a double decomposition reaction using an ion-exchange membrane as a diaphragm. As the aqueous zinc nitrite solution is provided, an extremely efficient metal surface treatment is made possible which has a reduced amount of sodium ions. In particular, it contains substantially no sulfate ions and no calcium ions.
    • 提供了基本上不含钙(Ca)离子的亚硝酸锌水溶液,其中,就亚硝酸锌水溶液[Zn(NO 2 2)2]水溶液而言, 具有10重量%的NO 2 2浓度,钠(Na)离子浓度为200〜2000ppm,硫酸根(SO 4)的离子浓度为20ppm, 较少的解决方案。 亚硝酸锌水溶液可以通过提供锌化合物和碱金属亚硝酸盐作为原料并通过使用离子交换膜作为隔膜的双重分解反应将原料进行电解合成来制备。 当提供亚硝酸锌水溶液时,可以实现极其有效的金属表面处理,其具有减少量的钠离子。 特别地,它基本上不含有硫酸根离子而不含钙离子。
    • 97. 发明申请
    • METHOD FOR MANUFACTURING ALUMINUM OXYNITRIDE (A1ON) POWDER AND OTHER NITROGEN-CONTAINING POWDERS
    • 制造氧化铝(Alon)粉末和其他含氮粉末的方法
    • US20050118086A1
    • 2005-06-02
    • US10136220
    • 2002-05-01
    • Weifang Miao
    • Weifang Miao
    • C01B21/082C01B21/20C01B21/06C01B21/072C01B21/076
    • C01B21/0825
    • A method of preparing substantially homogeneous aluminum oxynitride powder and other nitrogen-containing powders is provided. Particularly with respect to the AlON powder, the method comprises the steps of milling a mixture of aluminum and aluminum oxide in a nitrogen-containing atmosphere until a milled powder composed of aluminum-nitrogen solid solution and aluminum oxide forms. The next step is heating the milled powder in the presence of an inert gas and keeping it at sufficient temperature for a sufficient heating time to form the substantially homogenous aluminum oxynitride powder. This method is extended to the preparation of other powders by employing appropriate starting materials. The resultant powders are also claimed as part of the instant invention.
    • 提供了制备基本均匀的氮氧化铝粉末和其它含氮粉末的方法。 特别是对于AlON粉末,该方法包括在含氮气氛中研磨铝和氧化铝的混合物,直到形成由铝 - 氮固溶体和氧化铝组成的研磨粉末的步骤。 下一步是在惰性气体的存在下加热研磨的粉末并将其保持在足够的温度下足够的加热时间以形成基本均匀的氮氧化铝粉末。 该方法通过使用适当的起始材料扩展到制备其它粉末。 所得粉末也作为本发明的一部分而要求保护。