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    • 3. 发明专利
    • Corrosion prevention method for concrete and concrete structure prepared by the corrosion prevention method
    • 腐蚀预防方法制备的混凝土和混凝土结构的腐蚀预防方法
    • JP2011020891A
    • 2011-02-03
    • JP2009167102
    • 2009-07-15
    • Takenaka Komuten Co LtdToagosei Co Ltd東亞合成株式会社株式会社竹中工務店
    • OSAWA SATORUITAYA TAKUMIIHARA TAKESHIYAMAMORI HIROOACHINAMI MASAFUMIKANBE SHINYA
    • C04B41/71B05D7/00C09D5/00C09D5/08C09D7/12C09D133/00
    • PROBLEM TO BE SOLVED: To provide a corrosion prevention method for concrete which gives excellent shielding property to carbon dioxide, excellent crack resistance of concrete, and prevents neutralization of concrete; and to provide a concrete structure prepared by the corrosion prevention method for concrete.
      SOLUTION: The corrosion prevention method for concrete includes applying an under coating layer 3, an intermediate coating layer 4, an upper coating layer 5 in the order on a base material 2 constituted of concrete. The intermediate layer 4 is formed by using a composition for the intermediate layer containing an acrylic resin of a glass transition temperature of at most 20°C, water swellable synthetic inorganic layered silicate to form a film thickness of at least 50 μm when dried. The amount of the water swellable synthetic inorganic layered silicate is 1-50 pts.mass when the amount of the acrylic resin is set to 100 pts.mass Also, the concrete structure is prepared by this corrosion prevention method for concrete.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供对二氧化碳具有优异的屏蔽性,混凝土抗裂性优异,防止混凝土中和的混凝土的防腐蚀方法; 并提供通过混凝土的防腐蚀方法制备的混凝土结构。 解决方案:混凝土的防腐蚀方法包括将下涂层3,中间涂层4,上涂层5按顺序施加到由混凝土构成的基材2上。 中间层4通过使用含有玻璃化转变温度为至多20℃的丙烯酸树脂的中间层用组合物,水溶胀性合成无机层状硅酸盐形成干燥时的至少50μm的膜厚。 当丙烯酸树脂的量设定为100磅时,水溶胀性合成无机层状硅酸盐的量为1-50质量份。另外,通过该混凝土的防腐蚀方法制备混凝土结构体。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • FLOOR STRUCTURE
    • JPH0336362A
    • 1991-02-18
    • JP16873089
    • 1989-06-30
    • TAKENAKA KOMUTEN CO
    • TAKEMOTO SHUJIHIRAKI TASUKUOSAWA SATORU
    • E04F15/16
    • PURPOSE:To surely draw out moisture, generated between a floor finish material and a foundation material, to the outside by forming a vertical ventilating hole which communicates with upper and lower surfaces of the floor finish material in a floor structure constituted by arranging the resin-made floor finish material in an upper part of the wet foundation material. CONSTITUTION:A floor finish material 33, constituted of a double-layer foam sponge 35 of 3 to 5mm thickness and a vinyl chloride surface material 37 of about 2mm thickness formed in an upper part of the sponge 35, is arranged on the upper surface of a wet foundation material 31 and adhesively attached by an adhesive agent or the like. A vertical ventilating hole 39, in which the upper end is opened to an upper surface of the vinyl chloride surface material 37 while the lower end is opened to a lower surface of the foam sponge 35, is formed in a thickness direction of the floor finish material 33 with the upper surface communicating with the lower surface. Thus by drawing out a large amount of moisture, generated between the floor finish material 33 and the wet foundation material 31, to the outside, exfoliation can be prevented with deterioration of the adhesive agent prevented.