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    • 5. 发明申请
    • Production Method of a Novel Polishing Alumina
    • 新型抛光氧化铝的生产方法
    • US20150315442A1
    • 2015-11-05
    • US14648283
    • 2013-12-23
    • ALBEMARLE EUROPE SPRL
    • Henning Hofius
    • C09K3/14
    • C09K3/1427C01F5/08C01F7/162C01F7/30C01F7/441C01F7/442C01G15/00C01G23/006C01G25/02C01G37/00C01G45/1242C01G49/0045C01G49/0054C01G51/40C01P2004/03C01P2004/52C01P2004/61C01P2004/62C01P2006/12C09D1/02C09K3/1436
    • Provided is a method for the formation of particulate compounds of selectable size characteristics, which method includes supporting a slurried particulate precursor on a porous support; heating the support such that aggregates of the particulate compound are formed, and desagglomerating the aggregates into their component particulate. In a preferred embodiment, an aqueous slurry of alumina particulate which has not undergone the alpha transition is contacted with a porous support having defined pore and cavity sizes, such that the slurry occupies at least some of the interstices of the porous support. The slurry and support are heated such that the alumina precursor slurry undergoes the alpha transition. The alpha alumina product is then particulated. The support is of such a material that it is either lost through combustion during heating or otherwise removable after heating, such as during or after particulation, without destroying the particle characteristics imparted by the porous support. Additionally, in a further embodiment, co-components are added to the slurry in order to impart desired properties to the particulated product.
    • 提供了形成可选尺寸特性的颗粒化合物的方法,该方法包括在多孔载体上支撑浆状颗粒前体; 加热支撑体使得形成颗粒化合物的聚集体,并将聚集体解散聚集成它们的组分颗粒。 在优选的实施方案中,未经历α转变的氧化铝颗粒的水性浆料与具有确定的孔和空腔尺寸的多孔载体接触,使得浆料占据多孔载体的至少一些间隙。 加热浆料和载体使得氧化铝前体浆料经历α转变。 然后将α氧化铝产物粉碎。 支撑件具有这样的材料,即它在加热期间通过燃烧而失去,或者在加热之后,例如在雾化期间或之后,或者在不破坏由多孔载体赋予的颗粒特性的情况下被去除。 另外,在另一个实施方案中,向浆料中加入共组分,以赋予微粒产物所需的性能。
    • 7. 发明申请
    • Process for Producing Magnesium Oxide
    • 生产氧化镁的方法
    • US20150210558A1
    • 2015-07-30
    • US14615163
    • 2015-02-05
    • Graphene Technologies, Inc.
    • Robert Wayne DickinsonJon K. MyersOliver Douglas OusterhoutLawrence Joseph MusettiDouglas Paul DuFaux
    • C01F5/04C01F7/16
    • C01F5/04B82Y30/00B82Y40/00C01B7/03C01B32/184C01F5/30C01F7/162C01P2002/32C01P2004/03C01P2004/04C01P2004/13C01P2004/64C01P2006/80C25C1/02Y02P10/212
    • Process for producing nanomaterials such as graphenes, graphene composites, magnesium oxide, magnesium hydroxides and other nanomaterials by high heat vaporization and rapid cooling. In some of the preferred embodiments, the high heat is produced by an oxidation-reduction reaction of carbon dioxide and magnesium as the primary reactants, although additional materials as reaction catalysts, control agents, or composite materials can be included in the reaction, if desired. The carbon dioxide and magnesium are combusted together in a reactor to produce nano-magnesium oxide, graphenes, graphene composites, and possibly other products which are then separated or excluded by suitable processes or reactions to provide the individual reaction products. The reaction is highly energetic, producing very high temperatures on the order of 5610° F. (3098° C.), or higher, and also produces large amounts of useful energy in the form of heat and light, including infrared and ultraviolet radiation, all of which can be captured and reused in the invention or utilized in other applications. The products of combustion, particularly the magnesium oxide, can be recycled to provide additional oxidizing agents for combustion with the carbon dioxide. By varying the process parameters, such as reaction temperature and pressure, the type and morphology of the carbon nanoproducts and other nanoproducts can be controlled. The reaction also produces nanomaterials from a variety of input materials. The reaction products include novel nanocrystals of MgO (percilase) and MgAl2O4 (spinels) as well as composites of these nanocrystals with multiple layers of graphene deposited on or intercalated with them.
    • 通过高热蒸发和快速冷却来生产纳米材料如石墨烯,石墨烯复合材料,氧化镁,氢氧化镁和其他纳米材料的方法。 在一些优选实施方案中,通过二氧化碳和镁作为主要反应物的氧化 - 还原反应产生高热,但如果需要,反应催化剂,控制剂或复合材料可以包括在反应中。 。 二氧化碳和镁在反应器中一起燃烧以产生纳米氧化镁,石墨烯,石墨烯复合物和可能的其它产物,然后通过合适的方法或反应分离或排除以提供单独的反应产物。 该反应是高能量的,产生大约5610°F(3098℃)或更高的非常高的温度,并且还产生大量的热和光形式的有用能量,包括红外和紫外线辐射, 所有这些可以在本发明中被捕获和重复使用或用于其它应用中。 燃烧产物,特别是氧化镁可以再循环,以提供用于与二氧化碳燃烧的附加氧化剂。 通过改变工艺参数,如反应温度和压力,可以控制碳纳米产物和其他纳米产物的类型和形态。 该反应还从各种输入材料生产纳米材料。 反应产物包括MgO(percilase)和MgAl 2 O 4(尖晶石)的新型纳米晶体以及这些纳米晶体与沉积在其上或与其嵌入的多层石墨烯的复合材料。