| 摘要 |
PROBLEM TO BE SOLVED: To provide an additive for hydraulic compositions, which makes excellent the pulverization efficiency of a hydraulic compound when the hydraulic compound is pulverized to produce hydraulic powder, which improves the compressive strength of a hardened body of the hydraulic composition when added to the hydraulic composition, and which makes adequate the bubbling of a water-containing system.SOLUTION: The additive for hydraulic compositions contains the alkanolamine shown by the general formula (1) (in which Ris a hydrogen atom, -CHCHOH, or -CH(CH)CHOH; and Ris -CHCHOH or -CH(CH)CHOH).SELECTED DRAWING: None |
