Catalyst structure particularly for the production of field emission flat screens
    31.
    发明申请
    Catalyst structure particularly for the production of field emission flat screens 审中-公开
    催化剂结构特别用于生产场致发射平板屏幕

    公开(公告)号:US20060264323A1

    公开(公告)日:2006-11-23

    申请号:US10546284

    申请日:2004-02-24

    Abstract: The invention relates to a method of structuring a catalyst on a support, characterised in that it comprises the following stages: depositing of a layer of catalyst on the support; annealing of the structure thus created to obtain a fractionation of the layer of catalyst in the shape of drops; etching of the fractionated layer of catalyst to adjust the density of the catalyst drops. The invention also relates to a method of carbon nanotube growth on the catalyst drops present on the structure obtained according to the method of structuring. Finally, the invention relates to a device comprising a cathode and an anode, the cathode comprising a layer of carbon nanotubes made according to the method of nanotube growth. No figures.

    Abstract translation: 本发明涉及一种在载体上构建催化剂的方法,其特征在于其包括以下阶段:在载体上沉积催化剂层; 由此产生的结构的退火以获得液滴形式的催化剂层的分级分离; 蚀刻分级催化剂层以调节催化剂的密度下降。 本发明还涉及根据结构方法获得的结构上存在的催化剂滴下的碳纳米管生长方法。 最后,本发明涉及包括阴极和阳极的器件,阴极包括根据纳米管生长方法制成的碳纳米管层。 没有数字

    Method of making maximally dispersed heterogeneous catalysts
    32.
    发明授权
    Method of making maximally dispersed heterogeneous catalysts 有权
    制备最大分散的非均相催化剂的方法

    公开(公告)号:US06964936B1

    公开(公告)日:2005-11-15

    申请号:US10383672

    申请日:2003-03-06

    Abstract: A method of making a catalyst with monolayer or sub-monolayer metal by controlling the wetting characteristics on the support surface and increasing the adhesion between the catalytic metal and an oxide layer. There are two methods that have been demonstrated by experiment and supported by theory. In the first method, which is useful for noble metals as well as others, a negatively-charged species is introduced to the surface of a support in sub-ML coverage. The layer-by-layer growth of metal deposited onto the oxide surface is promoted because the adhesion strength of the metal-oxide interface is increased. This method can also be used to achieve nanoislands of metal upon sub-ML deposition. The negatively-charged species can either be deposited onto the oxide surface or a compound can be deposited that dissociates on, or reacts with, the surface to form the negatively-charged species. The deposited metal adatoms can thereby bond laterally to the negatively-charged species as well as vertically to the oxide surface. Thus the negatively-charged species serve as anchors for the metal. In the second method, a chemical reaction that occurs when most metals are deposited on a fully hydroxylated oxide surface is used to create cationic metal species that bind strongly both to the substrate and to metallic metal atoms. These are incorporated into the top layer of the substrate and bind strongly both to the substrate and to metallic metal atoms. In this case, these oxidized metal atoms serve as the anchors. Here, as in the previous method, nanoislands of catalytic metal can be achieved to increase catalytic activity, or monolayers or bilayers of reactive metal can also be made.

    Abstract translation: 通过控制载体表面上的润湿特性并增加催化金属和氧化物层之间的粘附性来制备具有单层或亚单层金属的催化剂的方法。 实验证明有两种方法,由理论支持。 在对贵金属以及其它物质有用的第一种方法中,带负电荷的物质在子ML覆盖范围内引入支持体的表面。 由于金属 - 氧化物界面的粘合强度增加,因此促进沉积在氧化物表面上的金属层的逐层生长。 该方法也可用于在次ML沉积时实现金属的纳米级。 带负电荷的物质可以沉积在氧化物表面上,或者可以沉积化合物,其与表面分离或与表面反应以形成带负电荷的物质。 因此,沉积的金属原子可以侧向地与带负电的物质以及垂直于氧化物表面结合。 因此,带负电荷的物质用作金属的锚点。 在第二种方法中,当大部分金属沉积在完全羟基化的氧化物表面上时发生的化学反应被用于产生强烈地结合到基底和金属金属原子的阳离子金属物质。 这些被结合到衬底的顶层中并且牢固地结合到衬底和金属金属原子。 在这种情况下,这些氧化的金属原子用作锚。 这里,如前所述,可以实现催化金属的纳米级以提高催化活性,也可以制备单层或双层的反应性金属。

    Photocatalytic material and photocatalytic article
    34.
    发明授权
    Photocatalytic material and photocatalytic article 有权
    光催化材料和光催化制品

    公开(公告)号:US06794065B1

    公开(公告)日:2004-09-21

    申请号:US10048933

    申请日:2002-02-05

    Abstract: A photocatalytic material having titanium oxide crystals and anions X incorporated therein, which is prepared by at least one of a method comprising substituting anions X for some of the oxygen sites of titanium oxide crystals, a method comprising doping anions X between lattices of a titanium crystal and a method comprising doping grain boundaries of titanium oxide, or a combination of these method. The photocatalytic material has acquired a new energy level formed in a band gap of titanium oxide, which results in its exhibition of a photocatalytic activity by absorbing visible lights. The photocatalytic material can thus exhibit a satisfactory photocatalytic activity under sunlight and also in a room with a fluorescent lamp.

    Abstract translation: 一种具有钛氧化物晶体和阴离子X的光催化材料,其通过以下方法制备,所述方法包括用阴离子X取代氧化钛晶体的一些氧部位的方法,包括在钛晶体的晶格之间掺杂阴离子X的方法 以及包含掺杂二氧化钛的晶界的方法,或这些方法的组合。 光催化材料已经获得了在氧化钛带隙中形成的新能级,从而通过吸收可见光来展现光催化活性。 因此,光催化材料在阳光下以及在具有荧光灯的房间中表现出令人满意的光催化活性。

    Method of fabricating a porous clay composite including inorganic
particles with metal particles deposited thereon
    35.
    发明授权
    Method of fabricating a porous clay composite including inorganic particles with metal particles deposited thereon 失效
    制造包含沉积有金属颗粒的无机颗粒的多孔粘土复合材料的方法

    公开(公告)号:US5264404A

    公开(公告)日:1993-11-23

    申请号:US970133

    申请日:1992-11-02

    Abstract: A porous clay composite having fine metal particles deposited substantially only on surfaces of inorganic particles which are intercalated between layers of an expandable clay is obtained. After the expandable clay is expanded with a solvent into an expanded clay, the inorganic particles are intercalated between the layers of the expanded clay. The inorganic particles have photo-semiconducting property, that is, a plurality of carriers such as electrons and holes are released from the inorganic particles by irradiation of a light such as ultraviolet light. A solution including metal ions is mixed with the inorganic particles intercalated clay to form a mixed solution thereof. Subsequently, the light is irradiated to the mixed solution to deposit the fine metal particles substantially only on the inorganic particles which are intercalated between the layers of the expanded clay, so that the porous clay composite is formed in the mixed solution. The porous clay composite including the mixed solution is dried by a supercritical drying or a carbon dioxide extractive drying, etc., so as not to disrupt a porous structure thereof. When a metal having oxidation/reduction catalysis is used as the fine metal particles, the porous clay composite functions as an excellent oxidation/reduction catalyst.

    Abstract translation: 获得了一种多孔粘土复合材料,其具有基本上仅沉积在可膨胀粘土层之间的无机颗粒表面上沉积的金属微粒。 将可膨胀粘土用溶剂膨胀成膨胀粘土后,将无机颗粒插入膨胀粘土层之间。 无机粒子具有光半导体性质,即,诸如电子和空穴的多个载流子通过照射诸如紫外光的光从无机颗粒释放。 将包含金属离子的溶液与无机颗粒插入粘土混合以形成其混合溶液。 随后,将光照射到混合溶液中,以将细金属颗粒基本上仅沉积在插入膨胀粘土层之间的无机颗粒上,从而在混合溶液中形成多孔粘土复合材料。 包含该混合溶液的多孔粘土复合物通过超临界干燥或二氧化碳萃取干燥等干燥,以免破坏其多孔结构。 当使用具有氧化/还原催化的金属作为金属微粒时,多孔粘土复合材料用作优异的氧化/还原催化剂。

    Catalyst for molecular catalytic cracking of heavy hydrocarbons at
ambient temperatures, and method of making the same
    36.
    发明授权
    Catalyst for molecular catalytic cracking of heavy hydrocarbons at ambient temperatures, and method of making the same 失效
    用于在环境温度下分子催化裂化重质烃的催化剂及其制备方法

    公开(公告)号:US5238897A

    公开(公告)日:1993-08-24

    申请号:US766722

    申请日:1991-09-27

    Abstract: A surface modified catalyst of the type comprising at least two mechanically mixed elements forming active catalyst sites at the boundaries of such elements. The surface-modified catalyst is formed by irradiating a catalyst compound, which is preferably hopcalite (copper-manganese), at an energy level sufficient to cause molecular dispersion of the copper molecules and increase the number of active sites. One or more additional elements may be added to the surface-modified catalyst, e.g. lithium and yttrium, to affect the reaction properties and temperature stability.

    Abstract translation: 一种表面改性催化剂,其类型包括在这些元素的边界处形成活性催化剂位点的至少两个机械混合元素。 通过以足以引起铜分子分子分散的能级照射催化剂化合物(铜 - 锰)形成表面改性催化剂,并增加活性部位的数量。 可以将一种或多种另外的元素加入到表面改性的催化剂中,例如。 锂和钇,影响反应性能和温度稳定性。

    Process for the transportation through an elongate chamber and
electromagnetic radiation heating of granulated material
    38.
    发明授权
    Process for the transportation through an elongate chamber and electromagnetic radiation heating of granulated material 失效
    通过细长室运输的过程和粒状材料的电磁辐射加热

    公开(公告)号:US4551437A

    公开(公告)日:1985-11-05

    申请号:US567722

    申请日:1984-01-03

    Inventor: Georges Berrebi

    Abstract: A process and apparatus for the transportation and heating of granulated materials, particularly of solid particles of catalyst used for hydrocarbon conversion which must be activated or regenerated. The process comprises moving a bed of catalyst particles on travelling bands or floor plates passing through an elongate chamber and eventually inclined to the axis. The bands are subjected to vibrations imparting to said bed an unidirectional motion, and said bed on said bands being exposed to heating by means of electromagnetic radiations of a wave length range from 0.38 .mu.m to 50 mm.

    Abstract translation: 用于运输和加热粒状材料的方法和装置,特别是用于烃转化的催化剂的固体颗粒,其必须被活化或再生。 该方法包括在穿过细长室并且最终倾斜于轴线的行进带或地板上移动催化剂颗粒床。 使带受到向所述床施加单向运动的振动,并且通过波长范围为0.38μm至50mm的电磁辐射使所述带上的所述床暴露于加热。

    Process for cracking hydrocarbons
    39.
    发明授权
    Process for cracking hydrocarbons 失效
    烃类裂化工艺

    公开(公告)号:US4414082A

    公开(公告)日:1983-11-08

    申请号:US321396

    申请日:1981-11-16

    Abstract: This invention relates to a new manner of carrying out chemical reactions by injection of selected forms of energy into the reaction zone by novel means. By applying this principal, many new processes result with application in a large number of different industries. The new process is generally capable of operation at room temperatures, which has advantages in the creation of certain sensitive products including uniformly doped semi-conductors, new catalysts, pure gases, high purity materials of any kind, controlled coatings, new polymers, combustion enhancement, difficult separation, petroleum refinery operations, and carrying out any reaction in which the injection of specific energy types is helpful.

    Abstract translation: 本发明涉及通过新的方法将选定形式的能量注入反应区域来进行化学反应的新方式。 通过应用该主体,许多新的过程可以应用于大量不同的行业。 新工艺通常能够在室温下运行,这在创造某些敏感产品方面具有优势,包括均匀掺杂的半导体,新催化剂,纯气体,任何类型的高纯度材料,受控涂层,新聚合物,燃烧增强 ,分离困难,炼油作业,以及进行特定能源类型注入有利的任何反应。

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