| 摘要 |
<p>Provided are a poly(carboxylic acid)-based polymer for a hydraulic material additive, such polymer having excellent hydraulic material dispersion properties, excellent workability and excellent product quality stability, a hydraulic material additive containing same, and a hydraulic material. The present invention is a poly(carboxylic acid)-based polymer used in a hydraulic material additive, wherein the polymer has a (poly)alkylene glycol chain and a weight average molecular weight (Mw) of 30,000 or lower, and the quantity of thiol groups in the polymer is 2.4 mumol/g or lower.</p> |
