Who Invented Superplasticizer?
The Japanese catalyst company Tsubaki Hengxiong invented the polycarboxylic acid water-reducing agent in the 1980s. Its molecular structure is no longer the same as the linear structure of the previous high-efficiency water-reducing agent. Comb-shaped molecular structure composed of chains and long polyoxyethylene side chains. Immediately afterwards, an ester-based carboxylate water-reducing agent obtained by copolymerization of …





