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    • 4. 发明公开
    • Cementitious compositions
    • Zementzusammensetzungen。
    • EP0561627A1
    • 1993-09-22
    • EP93302024.0
    • 1993-03-17
    • The Lubrizol Corporation
    • Jolley, Scott TedDenis, Richard Ascot
    • C04B24/32
    • C04B24/32C04B2111/76
    • The present invention is related to a composition comprising a cementitious material and a hydrocarbyloxyalkyleneoxyalkylenecarboxylic acid or a salt thereof. In one embodiment, the hydrocarbyloxyalkyleneoxyalkylenecarboxylic acid or salt thereof may be represented by the formula:

              (R¹O(R²O) n (CH₂) y CO₂) x M


      wherein R¹ is a hydrocarbyl group, R² is an alkylene group, n is at least 1, y is at least 1, M is hydrogen, or a metal cation, and x is the valence of M. A cured cementitious structure comprising the composition and optionally a gas is also disclosed. The cementitious structures exhibit increased freeze-thaw stability.
    • 本发明涉及包含水泥质材料和烃氧基亚烷基氧基亚烷基羧酸或其盐的组合物。 在一个实施方案中,烃氧基亚烷基氧基亚烷基羧酸或其盐可以由下式表示:(R 1 O(R 2 O)n(CH 2)y CO 2)x M其中R 1是烃基,R 2 >是亚烷基,n至少为1,y至少为1,M为氢或金属阳离子,x为M的化合价。还公开了包含该组合物和任选的气体的固化水泥质结构。 水泥结构表现出增加的冻融稳定性。