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    • 2. 发明授权
    • Migrating corrosion inhibitor fibers
    • 迁移缓蚀剂纤维
    • US06764615B2
    • 2004-07-20
    • US09861906
    • 2001-05-21
    • Boris A. MiksicAlla FurmanMichael HobdayJessica JacksonZvjezdana Matuzic
    • Boris A. MiksicAlla FurmanMichael HobdayJessica JacksonZvjezdana Matuzic
    • C09K1100
    • C04B20/0068C04B16/06C04B18/022C04B28/02C04B2111/26C04B40/0633C04B2103/61C04B24/04C04B24/06C04B24/12C04B22/085C04B2103/0005
    • Method and formulation for providing multiple sources of migratory corrosion inhibitors to metallic reinforcements embedded in concrete through addition of the inhibitors to the concrete mix. First and second sources of inhibitors are provided with the first source consisting of a powdered corrosion inhibitor consisting of sodium sebacate, potassium sebacate, dicyclohexylammonium nitrite, sodium nitrite, zinc gluconate, sodium gluconate, and calcium nitrite. The second source consists of an in-situ coextruded blend of a migratory corrosion inhibitor in a resin matrix, the second source consisting of a coextruded blend which includes an alkali metal salt of a dibasic acid containing from 8 to 12 carbon atoms together with migratory corrosion inhibitors consisting of alkali metal gluconates, zinc gluconate, and cyclohexylammonium benzoate, with the alkali metal in the inhibitors being sodium, potassium, or calcium. The total amount of corrosion inhibitor in concrete is between about 16 and 24 ounces per cubic yard, with the first source being between 70% and 80% by weight of the total corrosion inhibitor.
    • 通过向混凝土混合物中加入抑制剂,为嵌入在混凝土中的金属增强剂提供多种迁移腐蚀抑制剂的方法和配方。 提供了第一和第二种抑制剂来源,第一来源包括由癸二酸钠,癸二酸钾,亚硝酸二环己基铵,亚硝酸钠,葡糖酸锌,葡糖酸钠和亚硝酸钙组成的粉末状腐蚀抑制剂。 第二来源包括在树脂基质中的迁移性腐蚀抑制剂的原位共挤出共混物,第二源由共挤出的共混物组成,其包含含有8至12个碳原子的二元酸的碱金属盐以及迁移腐蚀 由碱金属葡萄糖酸盐,葡萄糖酸锌和苯甲酸环己基铵组成的抑制剂,其中抑制剂中的碱金属是钠,钾或钙。 混凝土中腐蚀抑制剂的总量约为16至24盎司/立方码,第一种来源于总腐蚀抑制剂的70%至80%。