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    • 1. 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。
    • 3. 发明公开
    • 방사선 차폐섬유
    • 来自放射性射线屏障的织物
    • KR1020090011093A
    • 2009-02-02
    • KR1020070074344
    • 2007-07-25
    • 지상협
    • 지상협
    • G21F3/02G21F3/025
    • G21F1/10A61B6/107G21F1/12G21F3/02
    • Radiation shielding fiber is provided to shield radiation efficiently by stacking a neutron shielding layer and an impermeable resin layer between radiation shielding layers. Radiation shielding fiber includes a first and a second radiation shielding layers(1), a first and a second impermeable resin layers(3) and a neutron shielding layer(2). The first and the second impermeable resin layers are made of polyolefin resin or polyolefin resin containing inorganic material. The neutron shielding layer is a sheet having minute air holes. The sheet is formed through mixing/extruding/foaming process of thermoplastic polyolefin with 100 weight part, foam agent with 0.1 to 10 weight part, foam making agent and bridge making agent with 0.5 to 50 weight part. The thermoplastic polyolefin contains UHMWPE(Ultra-High Molecular Weight Polyethylene) with 3 to 15 weight part. The sheet has a meshed air hole structure and is dipped into molten paraffin. The sheet is sealed up between impermeable resin layers. The sealed sheet is cooled at a melting point or less of the paraffin and the melting point is 47 to 65 °C. The porosity of the air hole is 30 to 90 %.
    • 提供辐射屏蔽光纤,通过在辐射屏蔽层之间堆叠中子屏蔽层和不可渗透的树脂层来有效地屏蔽辐射。 辐射屏蔽光纤包括第一和第二辐射屏蔽层(1),第一和第二不可渗透树脂层(3)和中子屏蔽层(2)。 第一和第二不可渗透树脂层由含有无机材料的聚烯烃树脂或聚烯烃树脂制成。 中子屏蔽层是具有微小气孔的片。 该片材通过热塑性聚烯烃与100重量份的混合/挤出/发泡方法形成,发泡剂为0.1至10重量份,起泡剂和桥制剂为0.5至50重量份。 热塑性聚烯烃含有3至15重量份的UHMWPE(超高分子量聚乙烯)。 片材具有网状空气孔结构,并浸入熔融石蜡中。 片材被密封在不可渗透的树脂层之间。 密封片材在石蜡的熔点以下进行冷却,熔点为47〜65℃。 气孔的孔隙率为30〜90%。
    • 4. 发明公开
    • 방사선 차폐재
    • 放射性射线屏蔽
    • KR1020090011092A
    • 2009-02-02
    • KR1020070074343
    • 2007-07-25
    • 지상협
    • 지상협
    • G21F3/02G21F3/025
    • G21F1/10A61B6/107G21F1/12G21F3/02
    • Radiation shielding material is provided to prevent oil leakage by sealing a neutron shielding layer between impermeable polyolefin resin layers. Radiation shielding material includes a first and a second impermeable resin layers(1) and a neutron shielding layer(2). The first and the second impermeable resin layers are made of polyolefin resin or polyolefin resin containing inorganic material. The neutron shielding layer is a sheet having minute air holes. The sheet is formed through mixing/extruding/foaming process of thermoplastic polyolefin with 100 weight part, foam agent with 0.1 to 10 weight part, foam making agent and bridge making agent with 0.5 to 50 weight part. The thermoplastic polyolefin contains UHMWPE(Ultra-High Molecular Weight Polyethylene) with 3 to 15 weight part. The sheet has a meshed air hole structure and is dipped into molten paraffin. The sheet is sealed up between impermeable resin layers. The sealed sheet is cooled at a melting point or less of the paraffin and the melting point is 47 to 65 °C. The porosity of the air hole is 30 to 90 %.
    • 提供防辐射屏蔽材料以通过将中子屏蔽层密封在不可渗透的聚烯烃树脂层之间来防止漏油。 辐射屏蔽材料包括第一和第二不可渗透树脂层(1)和中子屏蔽层(2)。 第一和第二不可渗透树脂层由含有无机材料的聚烯烃树脂或聚烯烃树脂制成。 中子屏蔽层是具有微小气孔的片。 该片材通过热塑性聚烯烃与100重量份的混合/挤出/发泡方法形成,发泡剂为0.1至10重量份,起泡剂和桥制剂为0.5至50重量份。 热塑性聚烯烃含有3至15重量份的UHMWPE(超高分子量聚乙烯)。 片材具有网状空气孔结构,并浸入熔融石蜡中。 片材被密封在不可渗透的树脂层之间。 密封片材在石蜡的熔点以下进行冷却,熔点为47〜65℃。 气孔的孔隙率为30〜90%。
    • 5. 发明公开
    • 방사선 차폐섬유
    • 来自放射性射线屏障的织物
    • KR1020090010581A
    • 2009-01-30
    • KR1020070073819
    • 2007-07-24
    • 지상협
    • 지상협
    • G21F3/02G21F3/025B82Y40/00
    • G21F1/10A61B6/107G21F1/12G21F3/02
    • A radiation shielding fabric capable of effectively shielding radiation by laminating neutron shielding layer between radiation shielding layers is provided to prevent bombed neutron or radiation of an operator of radiation neutron occurring area by providing a shielding garment made of radiation shielding fabric including paraffin. A radiation shielding fabric comprises a first and a second radiation shielding layers(1) and a neutron shielding layer(2). A coating layer is formed on a surface of the first and the second radiation shielding layers, and is made of polyurethane resin. A radiation compound of barium sulphate and organic iodine-based is uniformly dispersed inside the coating layer with powder phase. The neutron shielding layer is formed through mixing/extrusion/cooling of resin mixture of 100 weight% and at least one element among nano sized gadolinium, boron, and lithium of 1~10 weight%. The resin mixture is made of melting paraffin of 50~90 weight% and thermoplastic polyolefin of 10~50 weight%. The neutron shielding layer is a gel type sheet having a fine air bubble.
    • 提供能够通过在辐射屏蔽层之间层叠中子屏蔽层来有效地屏蔽辐射的辐射屏蔽织物,以通过提供由包括石蜡的辐射屏蔽织物制成的屏蔽衣物来防止辐射中子发生区域的操作者的轰炸中子或辐射。 辐射屏蔽织物包括第一和第二辐射屏蔽层(1)和中子屏蔽层(2)。 在第一和第二辐射屏蔽层的表面上形成涂层,由聚氨酯树脂制成。 硫酸钡和有机碘基的辐射化合物均匀地分散在涂层内,粉末相。 中子屏蔽层通过混合/挤出/冷却100重量%和至少一个元素的树脂混合物形成,其中纳米尺寸的钆,硼和1〜10重量%的锂。 树脂混合物由50〜90重量%的熔融石蜡和10〜50重量%的热塑性聚烯烃制成。 中子屏蔽层是具有细气泡的凝胶型片。
    • 10. 发明授权
    • 방사선 차폐 시트 제조방법
    • 辐射防护板制造方法
    • KR101145704B1
    • 2012-05-24
    • KR1020100117281
    • 2010-11-24
    • (주)에나인더스트리
    • 김선칠신승동윤신일
    • G21F1/12B32B15/08
    • G21F1/10B32B15/08G21F1/12
    • PURPOSE: A producing method of radial ray shielding sheet is provided to maximize the radial ray shielding efficiency of the sheet, and to protect the human body from radial rays. CONSTITUTION: A producing method of radial ray shielding sheet comprises the following steps: mixing gel form silicon polymers with barium sulphate in a ratio of 1:2.8-4.2; adding tourmaline into the mixture to make the ratio of the silicon polymers and the tourmaline in 1:0.8-1.2; inserting a silicon curing accelerator into the mixture; cutting the mixture in to the constant size after molding the mixture into a sheet form; and compressing the sheet with an oil-hydraulic press before hardening.
    • 目的:提供径向屏蔽片的制造方法,以使片材的径向屏蔽效率最大化,并保护人体免受径向射线影响。 构成:径向屏蔽片的制造方法包括以下步骤:将硅胶聚合物与硫酸钡混合,比例为1:2.8-4.2; 将电气石加入混合物中,使硅聚合物和电气石的比例为1:0.8-1.2; 将硅固化促进剂插入混合物中; 在将混合物成型为片状之后将混合物切割成恒定尺寸; 并在硬化前用油压机压缩片材。