| abstract |
The present invention provides a reagent that can easily adjust the air content, especially in a water-curable composition compounded with fly ash. A mixture for a water-curable composition containing a carbon retarder and a water reducing agent, wherein the carbon retarder has a structure represented by the following general formula (1) and is selected from the group consisting of phosphoric acid esters One compound or a mixture of two or more of them; in the formula, R 1 represents a hydrogen atom, an alkyl group, an alkenyl group or a (meth)acryloyl group, and A 1 O represents an oxyalkylene group with 2 to 3 carbon atoms , n represents the average added mole number of oxyalkylene A 1 O is 2 to 150, m represents an integer of 1 to 3, M represents hydrogen atom, alkali metal atom, Group 2 metal atom, ammonium group or organic ammonium group . [hua 1] |