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    • 2. 发明公开
    • 실리케이트 형광체 표면 코팅
    • 涂层在硅酸盐表面
    • KR1020100127341A
    • 2010-12-06
    • KR1020090045737
    • 2009-05-26
    • 한국세라믹기술원주식회사 포스포
    • 유중환이승호이형석윤동신이창희박미선
    • C09K11/02
    • PURPOSE: A surface coating of a silicate phosphor containing an organic/inorganic nanocomposite is provided to improve the initial luminance of the phosphor, and to increase the lifetime of the phosphor at the high temperature and humidity. CONSTITUTION: A silicate phosphor is coated with an organic/inorganic nanocomposite on the surface. The organic/inorganic nanocomposite contains the following: a metal oxide selected from the group formed with SiO_2, TiO_2, and MgO; and a polymer selected from the group consisting of polystyrene and polymethylmethacrylate. 0.1~50wt% of organic/inorganic nanocomposite is coated on the phosphor. The average particle diameter of the metal oxide is 3~100 nanometers.
    • 目的:提供含有机/无机纳米复合材料的硅酸盐荧光体的表面涂层,以提高荧光体的初始亮度,并提高荧光体在高温和高湿度下的寿命。 构成:表面上涂有有机/无机纳米复合材料的硅酸盐荧光粉。 有机/无机纳米复合材料包含以下物质:选自由SiO_2,TiO_2和MgO形成的基团的金属氧化物; 和选自聚苯乙烯和聚甲基丙烯酸甲酯的聚合物。 有机/无机纳米复合材料的0.1〜50wt%涂布在荧光体上。 金属氧化物的平均粒径为3〜100纳米。
    • 3. 发明公开
    • 마이크로파를 이용한 소수성 무기산화물의 제조 방법
    • 使用微波制备无机无机氧化物的方法
    • KR1020130034928A
    • 2013-04-08
    • KR1020110099102
    • 2011-09-29
    • 한국세라믹기술원(주)알엔씨
    • 유중환이형석이규민정진국임세미
    • C08K9/06C08K3/20C08J3/28B01J19/08
    • C08K9/06B01J19/08C08K3/013C08K3/20
    • PURPOSE: A manufacturing method of a hydrophobic inorganic oxide is provided to improve the dispersity of an inorganic oxide in an organic composite by hydrophobizing the surface of a hydrophilic inorganic oxide, and to reduce modifying time and process time. CONSTITUTION: A manufacturing method of a hydrophobic inorganic oxide comprises a step of coating the surface of an inorganic oxide with a silane coupling agent; and a step of irradiating the inorganic oxide with 100-1,200 MHz microwaves. The coating step is conducted by an impregnation method, a spray method, or a ball-mill method. The silane coupling agent is represented by chemical formula 1. In the chemical formula 1, R^1, R^2, and R^3 are the same or different from each other, and each one is a C1-5 alkyl group; and R^4 is a C1-18 linear or branched alkyl group.
    • 目的:提供疏水性无机氧化物的制造方法,通过使亲水性无机氧化物的表面疏水化,提高无机氧化物在有机复合体中的分散性,缩短修饰时间和处理时间。 构成:疏水性无机氧化物的制造方法包括用硅烷偶联剂涂布无机氧化物的表面的工序; 以及用100-1,200MHz的微波照射无机氧化物的步骤。 涂布步骤通过浸渍法,喷雾法或球磨法进行。 硅烷偶联剂由化学式1表示。在化学式1中,R 1,R 2和R 3彼此相同或不同,并且各自为C 1-5烷基; R 4是C 1-18直链或支链烷基。
    • 5. 发明授权
    • 휘발성 유기화합물의 산화반응용 촉매 복합체
    • 用于氧化VOCS的催化组合物
    • KR101059885B1
    • 2011-08-29
    • KR1020100134344
    • 2010-12-24
    • 한국세라믹기술원
    • 유중환이승호이형석정진국
    • B01J23/34B01J23/78B01J23/889B01D53/86
    • B01J23/02B01D53/8671
    • PURPOSE: A catalytic composite for the oxidation of volatile organic compounds is provided to reduce power consumption and increase energy efficiency by being activated with low power based on a plasma discharging operation. CONSTITUTION: A catalytic composite for the oxidation of volatile organic compounds includes a ferroelectric carrier and a metal oxide. The dielectric constant of the ferroelectric carrier is more than or equal to 50. The metal oxide is selected from a group including manganese, cobalt, and copper. The ferroelectric carrier is one selected from a group including BaTiO_3, SrTiO_3, and CaTiO_3. The content of the metal oxide is between 0.1 and 30 parts by weight based on the total amount of the ferroelectric carrier. The volatile organic compounds are one or more selected from toluene, benzene, n-hexane, trichloroethylene, and methylethyl ketone.
    • 目的:提供用于挥发性有机化合物氧化的催化复合材料,以通过基于等离子体放电操作的低功率激活来降低功耗并提高能量效率。 构成:用于挥发性有机化合物氧化的催化复合物包括铁电载体和金属氧化物。 铁电载体的介电常数大于或等于50.金属氧化物选自包括锰,钴和铜的组。 铁电载体是选自BaTiO_3,SrTiO_3和CaTiO_3的组中的一种。 金属氧化物的含量相对于铁电载体的总量为0.1〜30重量份。 挥发性有机化合物是选自甲苯,苯,正己烷,三氯乙烯和甲基乙基酮中的一种或多种。