Schaumhemmende Mittel, deren Herstellung und Verwendung

摘要

A stable silicone-free antifoaming agent comprises (a) di-stearoyl ethylene diamine or a related compound, (b) a polyethylene wax, (c) hydrophobic silica, (d) a mixture of a natural hydrocarbon oil and vegetable oil and (e) a mixture of non-ionic emulsifiers with an average HLB value of from 6 to 12. The antifoaming agents are particularly useful in aqueous textile treatment liquors under HT conditions.