Overbased calcium sulfonate is used widely as detergent in automotive and marine lubricants,as well as various industrial oil applications.In this paper,the process to produce overbased calcium sulfonate is overviewed...Overbased calcium sulfonate is used widely as detergent in automotive and marine lubricants,as well as various industrial oil applications.In this paper,the process to produce overbased calcium sulfonate is overviewed.The sulfonate structure and molecular weight and its molecular weight distribution,the enclosed calcium carbonate nanoparticle size and crystalline structure,properties of the carrier oil,all influence its properties,such as stability,viscosity,and detergency of the system.展开更多
文摘以重烷基苯磺酸、氢氧化钙、氧化钙和二氧化碳为原料,甲醇为促进剂,甲苯为溶剂,采用多步碳酸化法制备超高碱值的烷基苯磺酸钙,考察了促进剂的种类、二氧化碳的通气速率、甲醇的用量等对产品的技术指标及过滤情况的影响。合成工艺的较佳条件:促进剂为D、甲醇用量为28 g、二氧化碳通入速率为300 mL/min、二氧化碳通入量为12 L.
文摘Overbased calcium sulfonate is used widely as detergent in automotive and marine lubricants,as well as various industrial oil applications.In this paper,the process to produce overbased calcium sulfonate is overviewed.The sulfonate structure and molecular weight and its molecular weight distribution,the enclosed calcium carbonate nanoparticle size and crystalline structure,properties of the carrier oil,all influence its properties,such as stability,viscosity,and detergency of the system.
