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    • 3. 发明公开
    • 나노 크기의 방사선 차폐물질을 포함하는 방사선 차폐재 및 이의 제조방법
    • 包括纳米颗粒作为辐射屏蔽材料的辐射屏蔽构件及其制备方法
    • KR1020120127704A
    • 2012-11-23
    • KR1020120124689
    • 2012-11-06
    • 한국원자력연구원
    • 김재우엄영랑이병철정진우이창규이민구이희민이상훈
    • G21F1/10
    • G21F1/10G21Y2002/501G21Y2004/601
    • PURPOSE: A radiation shielding member including a radiation shielding material of a nano-size and a manufacturing method thereof are provided to reduce a mean free path of radiation in a shielding material by increasing collision probability of the radiation and the shielding material in comparison with the shielding material consisting of a radiation shielding material. CONSTITUTION: A polymer base material is selected from a group consisting of polyvinyl alcohol, polyethylene, high density polyethylene, low density polyethylene, epoxy, synthetic rubber, natural rubber, silicon rubber, and fluorine group rubber having 80.0-99.0 weight%. The surface of a radiation shielding material is coated with one surfactant which is selected from the group of the polymer base material. A radiation shielding member is formed by uniformly dispersing a radiation shielding material of 1.0-20.0 weight% having the nano-size of 10-900nm for improving radiation shielding capability.
    • 目的:提供包括纳米尺寸的辐射屏蔽材料及其制造方法的辐射屏蔽构件,以通过增加辐射和屏蔽材料的冲击概率来减少屏蔽材料中的辐射的平均自由程度 屏蔽材料由辐射屏蔽材料组成。 构成:聚合物基材选自聚乙烯醇,聚乙烯,高密度聚乙烯,低密度聚乙烯,环氧树脂,合成橡胶,天然橡胶,硅橡胶和80.0-99.0重量%的氟基橡胶。 辐射屏蔽材料的表面涂覆有选自聚合物基材的一种表面活性剂。 通过均匀分散具有10〜900nm的纳米尺寸的1.0〜2.0重量%的辐射屏蔽材料来形成辐射屏蔽构件,以提高辐射屏蔽能力。
    • 5. 发明公开
    • 소수성 고분자로 표면처리된 세라믹 나노 분말의 제조방법 및 이에 따라 제조되는 세라믹 나노 분말
    • 疏水性聚合物陶瓷纳米粉末和陶瓷纳米粉末的制造方法
    • KR1020120070002A
    • 2012-06-29
    • KR1020100131373
    • 2010-12-21
    • 한국원자력연구원
    • 엄영랑김재우전지헌이창규강필현
    • C04B41/83C04B35/626C04B35/628
    • C04B41/83C04B35/6261C04B35/62625C04B2235/781
    • PURPOSE: A manufacturing method of ceramic nano-powder which is surface-treated with hydrophobic polymer and ceramic nano-powder manufactured by the method are provided to process hydrophobic surface treatment and particle size reduction into nano of the ceramic powder as one-step process through a wet ball-milling process. CONSTITUTION: A manufacturing method of ceramic nano-powder which is surface-treated with hydrophobic polymer comprises the a step of surface treating the ceramic powder with hydrophobic polymer and pulverizing the powder into nano size by wet milling ceramic powder, hydrophobic polymer, and PCA(process control agent). The ceramic powder is lead oxide(PbO), gadolinia(Gd2O3), boron carbide(B4C), borax(Na2B4O7), or iron oxide(Fe3O4, Fe2O3). The hydrophobic polymer includes one or more polymers from low density polyethylene, HDPE, polyvinyl alcohol, polyethylene, epoxy, polypropylene and acryl.
    • 目的:提供用疏水性聚合物表面处理的陶瓷纳米粉末的制造方法和通过该方法制造的陶瓷纳米粉末,以疏水表面处理和纳米陶瓷粉末的粒度还原为一步法 湿球磨工艺。 构成:用疏水聚合物表面处理的陶瓷纳米粉末的制造方法包括以下步骤:用疏水聚合物对陶瓷粉末进行表面处理,并通过湿磨陶瓷粉末,疏水性聚合物和PCA将粉末粉碎成纳米尺寸 过程控制剂)。 陶瓷粉末是氧化铅(PbO),氧化钆(Gd2O3),碳化硼(B4C),硼砂(Na2B4O7)或氧化铁(Fe3O4,Fe2O3)。 疏水性聚合物包括一种或多种来自低密度聚乙烯,HDPE,聚乙烯醇,聚乙烯,环氧树脂,聚丙烯和丙烯酸的聚合物。
    • 10. 发明公开
    • 소수성 실란으로 표면 코팅된 나노 다이아몬드, 이의 제조방법 및 이를 포함하는 엔진 오일
    • 具有表面涂覆的疏水性硅烷的纳米金刚石,其制造方法和包括其的发动机油
    • KR1020130002085A
    • 2013-01-07
    • KR1020110063114
    • 2011-06-28
    • 한국원자력연구원
    • 이창규엄영랑전수형
    • C01B31/06C10M125/02B82B1/00B82Y30/00
    • C01B32/28B01J19/10C01P2004/64C01P2006/22C10M125/02
    • PURPOSE: Nanodiamond, a manufacturing method thereof and engine oil containing same are provided to improve the abrasion resistance of engine oil by improving the dispersibility of nanodiamond in the engine oil. CONSTITUTION: The surface of nanodiamond is coated with hydrophobic silane. The hydrophobic silane is selected from a group composed of octadecyl-trichloro-silane and pentadecyl-trichloro-silane. A manufacturing method of the nanodiamond includes the following steps: a first mixture is formed by adding the nanodiamond into an alcohol solvent; a second mixture is formed by adding an acid material into the first mixture; and the hydrophobic silane is added into the second mixture for ultrasound processing. The alcohol solvent is selected from a group composed of ethanol, methanol, and isopropyl alcohol. The acid material is selected from a group composed of hydrochloric acid, sulfuric acid, and acetic acid.
    • 目的:提供纳米金刚石及其制造方法和含有发动机油的发动机油,以通过提高纳米金刚石在发动机油中的分散性来改善发动机油的耐磨性。 构成:纳米金刚石的表面涂有疏水硅烷。 疏水性硅烷选自十八烷基 - 三氯硅烷和十五烷基 - 三氯硅烷。 纳米金刚石的制造方法包括以下步骤:通过将纳米金刚石添加到醇溶剂中形成第一混合物; 通过向第一混合物中加入酸性物质形成第二混合物; 并将疏水性硅烷加入到第二混合物中用于超声处理。 醇溶剂选自乙醇,甲醇和异丙醇组成的组。 酸性材料选自盐酸,硫酸和乙酸组成的组。