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    • 82. 发明公开
    • PROCESS FOR THE PRODUCTION OF ULTRAFINE PARTICLES
    • 生产超细颗粒的方法
    • EP0854765A1
    • 1998-07-29
    • EP96927456.0
    • 1996-08-28
    • THE UNIVERSITY OF WESTERN AUSTRALIA
    • McCORMICK, Paul, GerardDING, JunMIAO, Wie-FangSTREET, Robert
    • B22F1B22F9C01F7C01F17C01G9C01G25C01G49C04B35C22B5C22B15C22B23C22B61C22C1C22C33C22C38
    • B82Y30/00B22F9/005B22F9/04B22F9/20B22F2009/041C01F7/02C01F17/0043C01F17/0087C01G9/08C01G25/02C01G49/06C01P2002/72C01P2004/04C01P2004/50C01P2004/64C04B35/626C22B61/00Y10S977/81Y10S977/835Y10S977/888
    • A new, cost effective process for the production of ultrafine particles which is based on mechanically activated chemical reaction of a metal compound with a suitable reagent. The process involves subjecting a mixture of a metal compound and a suitable reagent to mechanical activation to increase the chemical reactivity of the reactants and/or reaction kinetics such that a chemical reaction can occur which produces a solid nano-phase substance. Concomitantly, a by-product phase is also formed. This by-product phase is removed so that the solid nano-phase substance is left behind in the form of ultrafine particles. During mechanical activation a composite structure is formed which consists of an intimate mixture of nano-sized grains of the nano-phase substance and the reaction by-product phase. The step of removing the by-product phase, following mechanical activation, may involve subjecting the composite structure to a suitable solvent which dissolves the by-product phase, while not reacting with the solid nano-phase substance. The process according to the invention may be used to form ultrafine metal powders as well as ultrafine ceramic powders. Advantages of the process include a significant degree of control over the size and size distribution of the ultrafine particles, and over the nature of interfaces created between the solid nano-phase substance and the reaction by-product phase.
    • 用于生产超细颗粒的新型低成本生产工艺,该工艺基于金属化合物与合适试剂的机械活化化学反应。 该方法包括使金属化合物和合适试剂的混合物进行机械活化,以增加反应物的化学反应性和/或反应动力学,从而可发生产生固体纳米相物质的化学反应。 伴随而来的是,还形成了副产品阶段。 该副产物相被去除,使得固体纳米相物质以超细颗粒的形式被留下。 在机械活化过程中,形成复合结构,其由纳米相物质的纳米级晶粒与反应副产物相的紧密混合物组成。 在机械活化之后去除副产物相的步骤可以涉及使复合结构经受溶解副产物相的合适溶剂,同时不与固体纳米相物质反应。 根据本发明的方法可用于形成超细金属粉末以及超细陶瓷粉末。 该方法的优点包括对超细颗粒的尺寸和尺寸分布以及在固体纳米相物质和反应副产物相之间形成的界面的性质的显着程度的控制。
    • 87. 发明申请
    • METHOD OF CREATING OF NANOAMORPHOUS MATERIALS +TEST
    • 制造纳米材料+测试方法
    • WO02020196A1
    • 2002-03-14
    • PCT/AM2001/000010
    • 2001-08-22
    • B22F9/00B22F1/00C22F3/00
    • B22F9/005B22F9/004
    • The invention refers to the sphere of material science and nanotechnology, powder metallurgy, applied physics and chemistry. The aim of the invention is to create the single component amorphous nanosize materials and to raise the productivity of the synthesis process. The worked out quantum-chemical technology has allowed to conduct the non-equilibrium processes of the interaction of the amorphizing material and the second reagent under the conditions of the minimal educing of energy (at the room temperatures) and to obtain the amorphous nanosize powders of the single component materials, in particular, metals. The given invention for the first time gives a chance to obtain the single component metals in amorphous nanosize state.
    • 本发明是指材料科学与纳米技术,粉末冶金,应用物理与化学领域。 本发明的目的是制备单组分无定形纳米尺寸材料并提高合成方法的生产率。 研究出量子化学技术在能量最小化(室温)条件下,使非晶化材料和第二试剂的相互作用的非平衡过程得以实现,得到无定形纳米尺寸粉末 单组分材料,特别是金属。 给定的发明首次给出获得非晶态纳米尺度状态的单一成分金属的机会。
    • 90. 发明授权
    • 비정질층이 구비되는 탄소-금속 복합체의 제조방법
    • KR101899004B1
    • 2018-09-17
    • KR1020170076754
    • 2017-06-16
    • 주식회사 지에버
    • 나한길류민
    • B22F9/00B22F3/00B22F3/105
    • B22F9/007B22F3/006B22F3/105B22F9/005B22F2302/40
    • 본발명은비정질층이구비되는탄소-금속복합체의제조방법에관한것으로서, 좀더 상세하게는, 종래탄소-금속복합체의합성을위한가열장치에있어서에너지효율이낮은열전도식가열장치를생략하고, 고에너지빔을투사시켜빠르게발열을유도하여다량의탄소-금속복합체의합성을빠른시간내에유도할수 있어생산효율을월등히향상시킬수 있음과함께, 금속이산재된비정질층의구비로탄소-금속복합체의전기전도도가현저히향상되어호흡기, 동작감지, 감광가스센서등의고감도센서류를용이하게제작할수 있고, 탄소-금속복합체의결합력이월등히향상되어자동차및 자전거바디제조뿐만아니라, 항공기바디제조등 가벼우면서도고강도및 내구성이요구되는부품을생산하는데재료로활용할수 있는비정질층이구비되는탄소-금속복합체의제조방법에관한것으로,본발명에따른비정질층이구비되는탄소-금속복합체의제조방법은, 탄소계분말및 금속전구체분말을준비하는재료준비단계; 준비된상기탄소계분말 100 중량부에금속전구체분말 900 ~ 1500 중량부를혼합하여혼합분말을제조하는혼합단계; 상기혼합단계를통해제조된상기혼합분말을고속분쇄기에투입한후 소정크기로분쇄하는분쇄단계; 상기분쇄단계를통해소정크기로분쇄된상기혼합분말을믹싱기에투입한후 소정시간동안믹싱하여상기혼합분말중 탄소계분말및 금속전구체분말간의접촉면적을증가시키는믹싱단계; 상기믹싱단계를거친상기혼합분말을환원및 재합성장치에투입한후, 상기혼합분말에고 에너지빔을조사하여상기혼합분말을소정온도로소정시간가열하고, 상기혼합분말을환원및 재합성시키는복합체합성단계; 및, 상기복합체합성단계를거친후, 다시상기분쇄단계, 믹싱단계및, 복합체합성단계를소정횟수반복하여복합체의비정질층생성을제어하는비정질층생성제어단계를; 포함하여형성되는것을특징으로한다.