A method of improving the low temperature properties of an oil comprising fatty acid alkyl esters derived from plant or animal materials, wherein at least 5% by weight of the fatty acid alkyl esters are derived from C16 - C22 saturated fatty acids. The method comprising reacting at least a portion of the oil with a polyalkylene polyamine or an imidazoline compound carrying both a poly-alkylene imine substituent and at least one primary amine group.
一种改善油类低温特性的方法,该油类包含从植物或动物材料中提取的
脂肪酸烷基酯,其中至少 5%(按重量计)的
脂肪酸烷基酯是从 C16 - C22 饱和
脂肪酸中提取的。该方法包括将至少一部分油脂与同时带有聚亚烷基
亚胺取代基和至少一个
伯胺基团的聚亚烷基
多胺或
咪唑啉化合物反应。