Abstract:

The composition and properties of vegetable oils are presented. The research progress of modification of vegetable oils as lubricant-oil in recent years is summarized. The characteristics and mechanisms of methods to improve the performance of vegetable oils，such as chemical modification，addition of additives，or biological modification are discussed，and the urgent task of study in this field in China is presented.

摘要： 介绍了对植物油作为润滑油而进行改性的化学法、添加抗氧化剂法、生物改性法；分析了对植物油加氢、环氧化、酯化的工艺要求及催化剂，评述了各类抗氧化剂的性能；认为利用基因技术提高植物油油酸含量的方法具有广阔的发展前景，指出国内开展相关研究工作的紧迫性。