Durability improving agent for cement-hydraulic-set substances, method
of improving same, and cement-hydraulic-set substances improved in
durability
    5.
    发明授权
    Durability improving agent for cement-hydraulic-set substances, method of improving same, and cement-hydraulic-set substances improved in durability 失效
    用于水泥水硬性物质的耐久性改进剂,其改进方法和水泥 - 液压固化物质的耐久性提高

    公开(公告)号:US5174820A

    公开(公告)日:1992-12-29

    申请号:US832654

    申请日:1992-02-11

    IPC分类号: C04B24/02 C04B24/32

    CPC分类号: C04B24/32 C04B24/023

    摘要: The present invention provides a method for improving the durability of cement-hydraulic substances, the method decreasing the dry shrinkage of cement-hydraulic-set substances such as concrete, mortar or related substances, and increasing resistance to a repetition of the freezing and thawing of the cement-hydraulic-set substances, by the use of terminal alkyletherified compounds or terminal alkylesterified compounds of polymers having --C.sub.2 H.sub.5 O-- and/or --C.sub.3 H.sub.6 O-- as a repetitive unit.

    摘要翻译: 本发明提供一种提高水泥水泥物质的耐久性的方法,该方法降低水泥 - 水硬性物质如混凝土,砂浆或相关物质的干收缩率,并增加对重复冻融的抵抗力 通过使用末端烷基醚化化合物或具有-C 2 H 5 O-和/或-C 3 H 6 O-的聚合物的末端烷基酯化化合物作为重复单元,水泥水硬性物质。