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    • 4. 发明专利
    • Inorganic composition, film and method for film production
    • 无机组合物,薄膜和薄膜生产方法
    • JP2003041153A
    • 2003-02-13
    • JP2001232047
    • 2001-07-31
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • AONO TOSHIAKIKOSEKI KEISUKE
    • C03B8/02C03C14/00C03C17/00C09D1/00
    • C03C17/006C03C14/004C03C2214/04C03C2214/05C03C2214/32
    • PROBLEM TO BE SOLVED: To obtain an inorganic composition having a high barrier property to gas, a low-molecular compound, etc., even in a high humidity and excellent function of diffusion control of substance, etc., and a film comprising the inorganic composition and to provide a method for producing the film, with which the film is efficiently formed in a normal-temperature range without requiring a high-temperature heat treatment.
      SOLUTION: This inorganic composition has an inorganic matrix and contains an inorganic laminar compound in the inorganic matrix. Metal oxide glass is preferable produced by a sol-gel method as the inorganic matrix and swelling synthetic mica is preferable as the inorganic laminar compound. This method for film production has a process for hydrolyzing an organometallic compound and carrying out condensation through dehydration to give a reaction product, a process for dispersing the inorganic laminar compound into the reaction product and a process for applying the reaction product containing the inorganic laminar compound to the surface of a substrate and vitrifying the reaction product at ≤200°C.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了获得具有高气体,低分子化合物等的高阻隔性的无机组合物,即使在高湿度下也具有优异的物质扩散控制功能等,以及包含无机物的膜 并且提供了一种用于制备膜的方法,其中在常温范围内有效地形成膜而不需要高温热处理。 解决方案:该无机组合物具有无机基质,并且在无机基质中含有无机层状化合物。 优选通过溶胶 - 凝胶法制造金属氧化物玻璃作为无机基质,优选无机层状化合物的溶胀合成云母。 这种薄膜生产方法具有水解有机金属化合物并通过脱水进行缩合以产生反应产物的方法,将无机层状化合物分散到反应产物中的方法以及将含有无机层状化合物的反应产物 到基底的表面并使反应产物在<= 200℃下玻璃化。
    • 9. 发明专利
    • Encapsulation of spent ceramic nuclear fuel
    • 消耗陶瓷核燃料的封装
    • JP2004053591A
    • 2004-02-19
    • JP2003147059
    • 2003-05-26
    • Archimedes Technology Group Incアルキメデス テクノロジー グループ,インコーポレイテッド
    • OHKAWA TIHIRO
    • G21F9/30G21F9/00
    • G21F9/305C03C12/00C03C14/004C03C2214/05C03C2214/14C03C2214/30
    • PROBLEM TO BE SOLVED: To provide a vitrification-solidification method for removing heat emitted from a radioactive substance when a fuel kernel is vitrified-and-solidified for the purpose of storing or disposing of the fuel kernel of a spent nuclear fuel waste, a vitrification-solidification method capable of avoiding an excessive thermal stress accumulated in the fuel kernel and a vitrification-solidification method capable of uniformly dispersing the fuel kernel in a vitrified melt.
      SOLUTION: A pebble is made by removing carbon/graphite matrix from the fuel kernel (26), coating with a glass layer a silicon carbide layer of the fuel kernel thus exposed (32) and dispersing it in the vitrified melt and vitrifying-and-solidifying it. The glass layer having a variable thermal expansion coefficient is made to have a thermal expansion coefficient equal to a thermal expansion coefficient of the vitrified melt and the silicon carbide layer adjacent to the glass layer (34 and 36). The glass layer coated on the fuel kernel has a softening temperature higher than that of the vitrified melt so that the glass can keep its state even if heat is radiated. The fuel kernel is made to have a specific gravity equal to that of the vitrified melt (50) so that the kernel is uniformly dispersed in the melt.
      COPYRIGHT: (C)2004,JPO
    • 待解决的问题:提供一种玻璃化 - 固化方法,用于当燃料核被玻璃化和固化以除去废核燃料废物的燃料核的目的时,去除放射性物质发射的热量 ,能够避免积聚在燃料芯中的过度的热应力的玻璃化凝固法,以及能够将燃料核均匀分散在玻璃化熔体中的玻璃化固化法。 解决方案:通过从燃料芯(26)中除去碳/石墨基质来制造卵石,用玻璃层涂覆如此暴露的燃料核的碳化硅层(32)并将其分散在玻璃化熔体中并玻璃化 并固化它。 具有可变热膨胀系数的玻璃层的热膨胀系数等于与玻璃层(34和36)相邻的玻璃化熔体和碳化硅层的热膨胀系数。 涂覆在燃料核上的玻璃层的软化温度高于玻璃化熔体的软化温度,使得即使在散热的情况下玻璃也能保持其状态。 使燃料核具有与玻璃化熔体(50)相当的比重,使得核均匀地分散在熔体中。 版权所有(C)2004,JPO