Multipurpose cement dispersing polymers for high flow and high strength concrete
    2.
    发明授权
    Multipurpose cement dispersing polymers for high flow and high strength concrete 有权
    用于高流动性和高强度混凝土的多用途水泥分散聚合物

    公开(公告)号:US06387176B1

    公开(公告)日:2002-05-14

    申请号:US09550907

    申请日:2000-04-17

    IPC分类号: C08F800

    摘要: A new category of multi-purpose polymers is presented, the polymers being capable to serve as a cement dispersing agent and which at the same time are set-accelerating and do have shrinkage reducing- and anticorrosive properties to steel. The polymers are ester and amide group-modified acrylic polymers, obtainable by a polymer analogous esterification of a polyacrylic acid with 1) a monofunctional polyalkyleneglycol-monoalkylether, 2) a tertiary alkanolamine and optionally 3) by amidation with a amino-polyalkylenglycol alkylether. The multi-purpose polymers serve for cement dispersing admixture for concrete with set accelerating, shrinkage compensating and anticorrosive properties to steel.

    摘要翻译: 提出了一种新型的多用途聚合物,该聚合物能够用作水泥分散剂,并且同时被固化加速,并且对钢具有减缩和抗腐蚀性能。 聚合物是酯和酰胺基改性的丙烯酸聚合物,其通过聚丙烯酸与1)单官能聚亚烷基二醇 - 单烷基醚的聚合物相似的酯化获得,2)叔链烷醇胺和任选地3)通过与氨基 - 聚亚烷基二醇烷基醚的酰胺化反应。 多用途聚合物用于混凝土的水泥分散混合物,具有加固,收缩补偿和防腐蚀性能。