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    • 6. 发明授权
    • Concrete pump primer
    • 混凝土泵底漆
    • US07704314B2
    • 2010-04-27
    • US10584673
    • 2005-01-19
    • Pat IngleseDavid Ray Hurst
    • Pat IngleseDavid Ray Hurst
    • C09D7/00C04B24/12C08L75/00
    • C04B40/0039C04B2111/00146C10M173/02C10M2201/02C10M2209/084C10M2215/102C10M2217/044C04B24/126C04B24/2641C04B24/2652C04B2103/0094C04B24/06
    • An improved composition for and method of priming a concrete pump line is provided. The flowable composition comprises a solid particulate mixture and water, the particulate mixture being comprised of solvatable polymeric material preferably selected from a group consisting of polyacrylamide, polyacrylate and mixtures thereof; an organic complexing agent preferably of urea; and a buffering agent preferably of citric acid. The invention provides a flowable composition exhibiting improved coating and lubrication to the inner walls of a concrete line as it passes therethrough. The flowable composition mixes quickly with water to form a clear solution, hydrates quickly upon being mixed with water, and provides a composition for use in priming concrete pump lines that does not utilize cement or priming grout slurry.
    • 提供了一种改进的混凝土泵管起动组合物和方法。 可流动组合物包含固体颗粒混合物和水,该颗粒混合物由优选选自聚丙烯酰胺,聚丙烯酸酯及其混合物的可溶性聚合材料组成; 优选尿素的有机络合剂; 和优选柠檬酸的缓冲剂。 本发明提供了一种可流动的组合物,当混凝土生产线通过其时,其表现出改善的涂层和润滑于混凝土管线的内壁。 可流动的组合物快速与水混合以形成澄清溶液,与水混合时迅速水合,并提供用于起动不使用水泥或起动浆浆的混凝土泵管线的组合物。