In this paper, the three kinds of ester exchange methods of pig oil acidic ester exchange,alkaline ester exchange and two-steps ester exchange are compared.

• 本文对猪油的三种改性方法：酸性醇解法、碱性醇解法、两步醇解法进行了比较，对三种醇解法的影响因素进行了讨论。