| 초록 |
A possibility of using wastes from different chemical processes for producing useful surfactants for reinforced concrete has been studied. The range of a raw base involved wastes from terephthalic acid process, pulp and paper process– industrial lignosulfonates, petrochemical processes – sulfonated liquid products of oil pyrolysis. The synthesis was conducted through the well known reactions such as oxidation by Fenton’s reagent, sulfonation and graft-polymerization.The obtained water-soluble surfactants demonstrated at low dosages (0.1-0.4%) the better slump effect on cement paste, and higher concrete strength than industrial lignosulfonates(standard). |
