abstract |
The present invention provides an additive for a hydraulic composition which can increase the strength of the initial age of a cured product obtained by curing the prepared hydraulic composition. An additive for a hydraulic composition comprising the compound A represented by the formula (1) and / or a salt thereof. Preferably, the additive for a hydraulic composition containing one or more selected from ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, triethanolamine, diethanolamine, triisopropanolamine. 【Selection chart】 None |