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    • 41. 发明申请
    • 防曇素子及びその形成方法
    • 抗微生物元件及其形成方法
    • WO2002100633A1
    • 2002-12-19
    • PCT/JP2001/004907
    • 2001-06-11
    • 株式会社 村上開明堂小林正樹葛谷典彦
    • 小林正樹葛谷典彦
    • B32B9/00
    • B01J21/063A47G1/02B01J35/004C03C17/3411C03C17/3417C03C2217/425C03C2217/71C09D1/00G02B1/105G02B1/18
    • An antifogging element having a substrate, a film of a substance having a photocatalyst function formed on the surface thereof and, formed thereon so as to have porosity, a hydrophilic substance film and a method for forming the antifogging element, wherein the substance having a photocatalyst function is prepared from a titanium peroxide solution which can be obtained by reacting a titanium hydroxide gel (orthotitanic acid) with hydrogen peroxide. The use of a titanium peroxide solution for forming a film of a substance having a photocatalyst function allows the preparation of anatase−type titanium dioxide at a low treatment temperature, for example, of 200 ˚, which results in a fact that an alkali component in a glass substrate is less prone to diffuse into the film of a substance having a photocatalyst function during the formation of the anti−fogging element, leading to an advantage that a film for preventing the diffusion of an alkali is not required and the photocatalytic activity due to the absence of a film for preventing the diffusion of an alkali is not observed even when a soda−lime glass is used as the substrate. The low treatment temperature results also in energy savings and in shortening a cycle time, leading to further reduction in the production cost of an antifogging element.
    • 具有基材的防雾元件,在其表面上形成有光催化功能的物质的膜,并且在其上形成具有孔隙率的亲水性物质膜和形成防雾元件的方法,其中具有光催化剂的物质 功能是由可以通过氢氧化钛凝胶(原钛酸)与过氧化氢反应获得的二氧化钛溶液制备的。 通过使用二氧化钛溶液形成具有光催化剂功能的物质的膜,可以在200℃的低处理温度下制备锐钛矿型二氧化钛,这导致以下事实: 在防雾元件形成期间,玻璃基板不太容易扩散到具有光催化剂功能的物质的膜中,从而具有不需要用于防止碱扩散的膜和光催化活性的优点 即使使用钠钙玻璃作为基材,也没有观察到不存在用于防止碱扩散的膜。 低处理温度也导致能量节省并缩短了循环时间,从而进一步降低了防雾元件的生产成本。
    • 44. 发明申请
    • APPARATUS FOR PHOTOCATALYTIC REACTION WITH AND METHOD FOR FIXING PHOTOCATALYST
    • 用于光化学反应的装置和固定光催化剂的方法
    • WO99064357A1
    • 1999-12-16
    • PCT/JP1999/003049
    • 1999-06-07
    • B01J21/06B01J35/00B01J37/02C02F1/30C02F1/32C02F1/72C03C17/00C03C17/25B01J35/02
    • C02F1/32B01J21/063B01J35/002B01J35/004B01J37/0228C02F1/725C02F2101/16C02F2101/30C02F2305/10C03C17/007C03C17/256C03C2217/42C03C2217/71Y02W10/37
    • (1) A method which comprises fixing (coating) a photocatalyst on the surface of a support, and feeding continuously a thin film of a liquid to be treated to the surface of the fixed photocatalyst in a gaseous atmosphere and at the same time irradiating a light capable of causing a photocatalytic reaction toward the photocatalyst surface; and (2) a method for fixing a photocatalyst on a support using an alkali metal silicate as a binding agent which comprises a first step of coating an aqueous solution of an alkali metal silicate on a support to fix the silicate, a second step of coating, after the first step, a photocatalyst in a powder form on the above alkali metal silicate to fix the photocatalyst, and a third step of curing, after the second step, the above coated and fixed material. According to the above methods, an apparatus for a photocatalytic reaction can be provided which exhibits a high treatment efficiency and shows no reduction of treating ability even after the elapse of a long period of operating time can be provided, and a photocatalyst can be fixed with ease and efficiency.
    • (1)一种方法,其包括将光催化剂固定(涂布)在支撑体的表面上,并将待处理液体的薄膜在气态气氛中连续供给到固定光催化剂的表面,并同时照射 能够向光催化剂表面引起光催化反应的光; 和(2)使用碱金属硅酸盐作为粘合剂将光催化剂固定在载体上的方法,该方法包括在载体上涂覆碱金属硅酸盐水溶液以固定硅酸盐的第一步骤,第二步涂布 在第一步骤之后,在上述碱金属硅酸盐上形成粉末形式的光催化剂以固定光催化剂,以及在第二步骤之后固化上述涂覆和固定的材料的第三步骤。 根据上述方法,可以提供一种光催化反应装置,其表现出高的处理效率,即使经过长时间的操作时间也不会降低处理能力,光催化剂可以用 轻松和高效。
    • 47. 发明申请
    • PHOTOCATALYTIC HYDROPHILIC COATING COMPOSITION
    • 光化学水解涂料组合物
    • WO1998003607A1
    • 1998-01-29
    • PCT/JP1997002467
    • 1997-07-16
    • TOTO LTD.HAYAKAWA, MakotoKANNO, Mitsuyoshi
    • TOTO LTD.
    • C09K03/18
    • C09D5/021B01J31/0272B01J35/002B01J35/004B01J37/0219C03C17/007C03C2217/45C03C2217/477C03C2217/478C03C2217/71C03C2217/75C09D1/00C09D5/00C09D183/02C09D183/04F21S41/37F21V7/22C08L2666/54
    • A composition which can make the surface of a member hydrophilic to impart anti-fogging properties thereto. This composition comprises (a) photocatalyst particles made of a metal oxide, (b) at least one component selected from the group consisting of particulate silica, precursors capable of forming silicone resin films, and precursors capable of forming silica films, and (c) a solvent, with the total content of solid components of the components (a) and (b) in the composition being 0.01 to 5 % by weight. The composition can impart hydrophilicity to a member by an extremely simple means of applying the composition to the member and drying or heating it. The hydrophilic thin film thus formed is transparent and therefore does not impair the transparency and appearance of the member, even when the member is essentially required to be transparent. The surface of a member having a film formed from the composition thereon has properties such that waterdrops adhering to the surface are immediately evaporated and that the surface is little stained and can be easily rid of stains even if stained.
    • 可以使构件的表面具有亲水性赋予防雾性的组合物。 该组合物包含(a)由金属氧化物制成的光催化剂颗粒,(b)至少一种选自颗粒二氧化硅,能够形成有机硅树脂膜的前体和能够形成二氧化硅膜的前体的组分,和(c) 溶剂,组合物中组分(a)和(b)的固体组分的总含量为0.01至5重量%。 组合物可以通过将组合物施加到构件上并将其干燥或加热的极其简单的方法赋予构件亲水性。 这样形成的亲水性薄膜是透明的,因此即使当该部件基本上是透明的时,也不会损害部件的透明度和外观。 具有由其组合物形成的膜的部件的表面具有使表面附着的水滴立即蒸发,并且表面几乎被污染并且即使染色也容易除去污渍的性质。
    • 50. 发明申请
    • PHOTOCATALYST-BINDER COMPOSITIONS
    • 光催化淀粉组合物
    • WO1995011751A1
    • 1995-05-04
    • PCT/US1994012185
    • 1994-10-21
    • E. HELLER & COMPANY
    • E. HELLER & COMPANYHELLER, EphraimHELLER, AdamPISHKO, Michael, V.
    • B01J21/06
    • B01J35/004B01J35/002B01J37/0215C02F1/32C02F1/725C02F2305/10C03C17/007C03C2217/45C03C2217/475C03C2217/71
    • A photocatalytic composition containing a substantially non-oxidizable binder, such as silicone, which allows large amounts of photocatalytic particles, such as titanium dioxide or zinc oxide, t o be adhered to a surface. Upon application to a surface, the composition dries or cures to form an adherent, abrasion-resistant, thermostable photocatalytic coating. The binder transmits a substantial proportion of incident ultraviolet light to activate the photocatalytic particles to produce a cleaning effect. The binder, preferably polysilicone, renders the surface hydrophobic. The coated surface can be used to degrade organic contaminants in air or in an aqueous stream, and can act as a biocidal agent under the application of ultraviolet light. When an organic reaction is to be catalyzed under the ultraviolet light, such coated particulate materials can be used as photocatalysts in a fluidized bed reactor, or a packed bed reactor. The photocatalytic composition is used in a photoreactor (14) containing a packed bed (6) packed with glass spheres (2), optionally with a silicone coating only at the points of contact (4), within a conduit (8) which surrounds a source of ultraviolet light (10). Preferably a silicone film (12) is placed between the conduit (8) and the glass spheres.
    • 包含基本上不可氧化的粘合剂如硅氧烷的光催化组合物,其允许大量的光催化颗粒如二氧化钛或氧化锌粘附到表面。 当施用于表面时,组合物干燥或固化以形成粘附的耐磨损的热稳定的光催化涂层。 粘合剂传输相当大比例的入射紫外光以活化光催化颗粒以产生清洁效果。 粘合剂,优选多硅氧烷,使表面疏水。 涂覆表面可用于降解空气或水流中的有机污染物,并可在紫外线下作为杀生物剂。 当有机反应在紫外光下催化时,这种涂覆的颗粒物质可以用作流化床反应器或填充床反应器中的光催化剂。 光催化组合物用于含有填充有玻璃球(2)的填充床(6)的光反应器(14),任选地仅在接触点(4)处的硅氧烷涂层内,在围绕着 紫外光源(10)。 优选地,硅胶膜(12)被放置在导管(8)和玻璃球之间。