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    • 1. 发明专利
    • Execution method of dust preventive agent to concrete structure, and permeable rust preventive agent composition
    • 防止混凝土结构的预防剂的执行方法和可渗透的预防剂组合物
    • JP2006144313A
    • 2006-06-08
    • JP2004333781
    • 2004-11-17
    • I S Kosan Kkアイエス興産株式会社
    • SENDAI HIDEKI
    • E04G23/02C04B41/62C04B41/65C04B41/71C23F11/00
    • PROBLEM TO BE SOLVED: To provide an execution method of a rust preventive agent to a concrete structure and a permeable rust preventive agent composition for use in the execution method for sufficiently infiltrating the required quantity of the permeable rust preventive agent even to an internal steel part to maintain rust prevention of internal reinforcements or the like of the concrete structure for a long period of time in a method of preventing degradation of concrete by applying the rust preventive agent to the surface of the existing concrete structure.
      SOLUTION: In this rust preventive agent execution method, wetting mixed water consisting of a water solution mixed with 0.005-2.0 mass% of polyoxyethylene alkylether and/or dialkyl sulfosuccinate is applied to the surface of the concrete structure with the reinforcements or the like embedded, to impregnate moisture, and then the permeable rust preventive agent composition consisting of a nitrite water solution mixed with (A) polyoxyethylene alkylether and/or (B) dialkyl sulfosuccinate, wherein the content of (A) and/or (B) is 0.1-2.0 mass% and pH is 9 or more, is applied to the surface of the concrete structure.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了将所需量的可渗透防锈剂充分渗透到执行方法中的混凝土结构和可渗透防锈剂组合物中提供防锈剂的执行方法,甚至对 内部钢部件,通过将防锈剂施加到现有混凝土结构体的表面,在防止混凝土退化的方法中长期保持混凝土结构的内部加固等的防锈。 解决方案:在该防锈剂执行方法中,将由0.005-2.0质量%的聚氧乙烯烷基醚和/或二烷基磺基琥珀酸盐混合的水溶液组成的润湿混合水施加到混凝土结构的表面, (A)和/或(B)二烷基磺基琥珀酸盐混合的亚硝酸盐水溶液组成的可渗透防锈剂组合物,其中(A)和/或(B) 为0.1-2.0质量%,pH为9以上,施加到混凝土结构体的表面。 版权所有(C)2006,JPO&NCIPI