【摘要】 以硬脂酸、乙二胺、油酸、二甘醇、液体石蜡为主要原料,合成了乙撑双硬脂酰胺和二甘醇单油酸脂,配以多种乳化剂和助剂制备高效消泡剂。考察了各组分对消泡效果的影响,确定了最佳的复配和乳化工艺条件。乙撑双硬脂酰胺用量为10g、二甘醇单油酸脂为15g及液体石蜡为35g。该消泡剂可用于造纸等行业的中性和碱性水体系,消泡、抑泡能力强,性能优越。更多还原

【Abstract】 Ethylene stearic bicine amide and diglycol uni-oleic acid were prepared with stearic acid, ethylene diamine, oleic acid, diglycol and liquid paraffin as major raw materials and compounded with several emulsifiers and additives, a high effective defoamer was prepared. The influence of each ingredient on defoaming effect was investigated and the optimal technological conditions for compounding and emulsifying were determined. The dosage of ethylene stearic bicine amide is 10g, that for diglycol uni-oleic acid is 15g and that for liquid paraffin is 35g. The defoamer can be used to defoam in the neutral and alkaline water systems in papermaking industry with a superior performance of defoaming and foam suppression.更多还原