| 摘要 |
surfactant production. SUBSTANCE: surfactant is prepared through interaction of ethylene oxide and tall pitch at 120-190 C and pressure 2-5 atm and can be used in petrochemical, chemical, wood-chemical, and other industries. EFFECT: enabled preparation of surfactants that can be used as oil-in-water emulsifiers, demulsifiers, and in detergent compositions. 2 cl, 1 tbl |
