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    • 2. 发明公开
    • 졸-겔 코팅용액 조성물, 이의 제조 방법 및 이를 이용한 마그네슘 부재의 표면 처리 방법
    • 用于溶胶涂层溶液的组合物,其制备方法和使用其的镁部件的表面处理方法
    • KR1020110076601A
    • 2011-07-06
    • KR1020090133347
    • 2009-12-29
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 김선욱전명철박영희
    • C09D183/02C09D5/08
    • C09D183/02C09D5/00
    • PURPOSE: A composition for a sol-gel coating solution is provided to improve corrosive resistance of the surface of a magnesium member and to enhance effectiveness and profitability of a magnesium member process in which a sol-gel coating process is applied. CONSTITUTION: A sol-gel coating solution composition comprises an organic silane-based compound, metal alkoxide compound, and hydrofluoric acid. A molar ratio of the organic silane-based compound and the metal alkoxide compound is 5:1 - 1:5. A ratio of the moles of fluoric acids to the sum of the moles of the organic silane-based compound and the metal alkoxide compound is 1:1.5 - 1:0.1. A surface processing method of a magnesium member comprises the steps of: performing the sol-gel coating on the surface of the magnesium member using the sol-gel coating solution composition; and drying the magnesium member and hardening the surface.
    • 目的:提供一种溶胶 - 凝胶涂层溶液的组合物,以改善镁构件表面的耐腐蚀性,并提高应用溶胶 - 凝胶涂覆工艺的镁构件工艺的有效性和获利性。 构成:溶胶 - 凝胶涂层溶液组合物包含有机硅烷基化合物,金属醇盐化合物和氢氟酸。 有机硅烷类化合物和金属醇盐化合物的摩尔比为5:1〜1:5。 氟酸的摩尔数与有机硅烷类化合物和金属醇盐化合物的摩尔数之和为1:1.5:1:0.1。 镁构件的表面处理方法包括以下步骤:使用溶胶 - 凝胶涂布溶液组合物在镁构件的表面上进行溶胶 - 凝胶涂布; 并干燥镁构件并硬化表面。
    • 4. 发明公开
    • 마그네슘 폐기물을 이용한 염화 마그네슘 화합물 제조 방법
    • 形成氯化镁复合物的方法
    • KR1020090068741A
    • 2009-06-29
    • KR1020070136486
    • 2007-12-24
    • 재단법인 포항산업과학연구원주식회사 포스코
    • 전명철김선욱
    • C01F5/30
    • C01F5/30Y02W30/20Y02W30/541
    • A method for manufacturing magnesium chloride compounds using waste magnesium is provided to recycle industrial waste to reduce environmental contamination and to manufacture magnesium chloride compounds at a low price. A method for manufacturing magnesium chloride compounds using waste magnesium comprises the following steps of: collecting carbon compounds and magnesium by-products including magnesium powder and magnesium hydrate, which are discharged with water in a buffing process in which the surface of a magnesium plate is finely cut and polished(S10); selectively separating the magnesium by-product and carbon compounds(S20); and inputting the magnesium by-product and carbon compounds in a furnace, heating the furnace and injecting chlorine gas into the furnace in order to obtain magnesium chloride compounds(S30).
    • 提供了使用废镁制造氯化镁化合物的方法,用于回收工业废物以减少环境污染并以低价制造氯化镁化合物。 使用废镁制造氯化镁化合物的方法包括以下步骤:收集在镁板表面微细的抛光工艺中用水排出的碳化合物和镁副产物,包括镁粉和镁水合物 切割(S10); 选择性分离镁副产物和碳化合物(S20); 并在炉中输入镁副产物和碳化合物,加热炉并将氯气注入炉中以获得氯化镁化合物(S30)。
    • 6. 发明授权
    • 투명 실리카 글래스의 제조 방법
    • 투명실리카글래스의제조방법
    • KR100770176B1
    • 2007-10-25
    • KR1020010055814
    • 2001-09-11
    • 재단법인 포항산업과학연구원
    • 전명철김선욱
    • C03B19/12C03B20/00
    • C03B19/12
    • 본 발명은 Si계 알콕사이드를 물에 첨가하여 가수분해액을 만드는 단계; 상기 가수분해액과 미세한 실리카 분말의 1차 분산액을 혼합하여 실리카 슬러리를 제조하는 단계; 상기 실리카 슬러리를 건조, 기계적 분쇄 및 하소하여 과립의 실리카를 제조하는 단계; 소결된 실리카 과립을 2차 분산하여 슬러리 상태의 실리카 분산액을 얻는 단계; 상기 실리카 분산액에 F
      - 이온을 함유하는 염을 첨가한 후 밀링하여 실리카 졸을 제조하는 단계; 상기 실리카 졸을 몰드내에 주입시켜 몰드내에서 겔화시키는 단계; 겔화된 성형체를 몰드로부터 제거하여 습윤 겔을 얻는 단계; 상기 습윤 겔을 건조하는 단계; 상기 건조된 겔을 300 내지 600℃에서 1차 열처리하는 단계; 상기 열처리된 결과물을 500 내지 1000℃에서 2차 열처리하는 단계; 및 상기 2차 열처리된 결과물을 진공 분위기 하에서 소결하는 단계를 포함하는 실리카 글래스의 제조방법을 제공한다.
      실리카글래스,알콕사이드,진공소결,졸-겔,퓸드실리카
    • 目的:提供一种通过真空烧结由二氧化硅溶胶衍生的二氧化硅压块(包含基于Si-醇盐的二氧化硅颗粒和气相法二氧化硅和含F-离子的盐)的透明度和接近理论密度的透明二氧化硅玻璃的方法。 本发明的透明二氧化硅玻璃的制造方法包括以下工序:(i)将浆状二氧化硅分散液与0.01〜2重量%(以二氧化硅溶液为基准)含有F-离子的盐( NH 4 F)作为凝胶化促进剂,以及研磨,其中通过将气相二氧化硅分散溶液与水解的Si-醇盐(Si(OC 2 H 5)4或Si(OCH 3)4)溶液混合以获得固体含量 的气相二氧化硅与水解的Si-醇盐溶液的摩尔比为99:1-1:99,将混合溶液在110℃干燥48小时以上,研磨成0.5mm的二氧化硅颗粒,在900-1100℃煅烧1 -10小时,并将二氧化硅粉分散到水中; (ii)将硅溶胶倒入模具中并胶凝; (iii)脱模得到大体积凝胶; (iv)在40℃干燥48小时; (v)以5-50℃/小时至300-600℃热处理除去有机物; (vi)在Cl2气氛中以100℃/小时至500-1000℃进行热处理以除去氢氧根离子和金属杂质; (vii)在真空度为10-1和10-6torr之间,在1200-1700℃下真空烧结0.1-100小时。 除去硅溶胶中的泡沫的步骤任选地添加到步骤(i)的下一步。
    • 8. 发明公开
    • 슬립캐스팅 공법을 이용한 고밀도/고인성 실리카 레이돔의 제조방법
    • 高密度和高断裂韧性二氧化硅光栅的制造方法
    • KR1020070066729A
    • 2007-06-27
    • KR1020050128192
    • 2005-12-22
    • 재단법인 포항산업과학연구원
    • 전명철김선욱
    • C04B35/624B28B1/14
    • H01Q1/42
    • A process for fabrication of high density and high fracture toughness radome is provided to improve fracture toughness and mechanical strength of the silica radome by adding silica staple fibers to fumed silica containing slip casting composition using slip casting technique. The process includes the steps of: preparing silica slurry by mixing and dispersing fused silica and fumed silica in distilled water; preparing silica slurry with fiber reinforced dispersion by adding silica staple fibers to the above silica slurry; casting the fiber dispersed silica slurry on a gypsum mold to form a silica layer deposited on the gypsum mold; and drying, baking and sintering the formed silica layer. Amount of the silica staple fibers to be externally added to the silica slurry ranges from 1 to 30wt.%. The silica staple fibers have diameter ranging from 15 to 25 micrometers and length of less than 10mm.
    • 提供了一种制造高密度和高断裂韧性的雷达罩的方法,以通过使用滑移浇注技术将二氧化硅短纤维加入到含二氧化硅的滑移浇注组合物中来提高二氧化硅天线罩的断裂韧性和机械强度。 该方法包括以下步骤:通过将熔融二氧化硅和热解二氧化硅在蒸馏水中混合和分散来制备二氧化硅浆料; 通过向上述二氧化硅浆料中加入二氧化硅短纤维来制备具有纤维增强分散体的二氧化硅浆料; 将纤维分散的二氧化硅浆料浇铸在石膏模具上以形成沉积在石膏模具上的二氧化硅层; 并干燥,烘烤和烧结形成的二氧化硅层。 外加二氧化硅浆料的二氧化硅短纤维的量为1〜30重量%。 二氧化硅短纤维的直径为15至25微米,长度小于10mm。
    • 9. 发明公开
    • 유리분말을 이용한 경량단열재 제조방법
    • 使用玻璃粉的轻质二氧化硅绝缘体的制造方法
    • KR1020070066724A
    • 2007-06-27
    • KR1020050128186
    • 2005-12-22
    • 재단법인 포항산업과학연구원
    • 김선욱황순철전명철김태칠하창호
    • C04B28/08C04B28/26C04B14/22
    • C04B28/26C04B14/06C04B14/22C04B40/0263C04B38/08
    • A method for preparing lightweight silica insulation material is provided to easily form the material while keeping optimal condition of porous structure of silica obtained from silica gel by using glass powder obtained from waste glass or general window glass as well as the foamed porous silica. The method includes the steps of: preparing foamed porous silica containing silica ingredients as raw material; preparing a binder by combining water glass with glass powder; combining the foamed porous silica with the binder then molding the mixture in a mold to form a shaped silica foam product; drying the formed foam product; and heat treating the dried foam silica product. The binder is prepared by adding 50-67g of water glass per 1 liter of the porous foam silica product and adding 0.55-1.12g of glass powder per 1g of the water glass to the mixture. The glass powder is prepared by milling general window glass or waste glass.
    • 提供一种制备轻质二氧化硅绝缘材料的方法,通过使用由废玻璃或通用窗玻璃获得的玻璃粉末以及发泡多孔二氧化硅,同时保持由硅胶获得的二氧化硅的多孔结构的最佳条件,从而容易地形成材料。 该方法包括以下步骤:制备含二氧化硅成分的发泡多孔二氧化硅为原料; 通过将水玻璃与玻璃粉末结合制备粘合剂; 将发泡的多孔二氧化硅与粘合剂组合,然后将模型中的混合物模制成形状的二氧化硅泡沫产品; 干燥形成的泡沫产品; 并对干燥的泡沫二氧化硅产物进行热处理。 通过每1升多孔泡沫二氧化硅产品中加入50-67克水玻璃并向每混合物中加入0.55-1.12克玻璃粉每1g制备粘合剂。 玻璃粉末通过铣一般窗玻璃或废玻璃制备。