Sucrose ester is a kind of new food additive and oil - substitute. This paper introduces the production of sucrose ester and its application in food industry.

Four-ball wear test indicated, the borate ester and ZDDP additive are antiwear synergistic, which is much useful in developing low-phosphorus engine oils.

With the increase of combined phosphorus of starch phosphate ester, the retention of paper additive would increase to all of filling and fibril.