Preparation method of fatty acid-rare earth salt heat stabilizer

The invention discloses a preparation method of a fatty acid-rare earth salt heat stabilizer, belonging to the fields of organic synthesis and material preparation. The preparation method comprises the following steps: two-phase synthesis of fatty acid alkali metal salt, and two-phase synthesis and separation of fatty acid-rare earth salt. A preparation process of the fatty acid-rare earth salt heat stabilizer is simple and convenient, the reaction speed is high, the conversion rate is high, and little wastewater is generated in the whole process, so that the application of the fatty acid-rareearth salt heat stabilizer in thermoplastic extrusion and injection molding processing processes of polyvinyl chloride and nylon can be promoted, and the thermal stability of polyvinyl chloride and the thermal oxidation stability of nylon can be remarkably improved. 本发明公开了种脂肪酸稀土盐热稳定性剂的制备方法，属于有机合成与材料制备领域。脂肪酸稀土盐热稳定性剂制备方法包括脂肪酸碱金属盐两相合成和脂肪酸稀土盐两相合成与分离。脂肪酸稀土盐热稳定剂制备工艺过程简便，反应速度快，转化率高，全过程产生的废水少。这将会促进脂肪酸稀土盐热稳定剂在聚氯乙烯、尼龙热塑性挤出与注塑加工过程中