The invention relates to a polyether ester polyhydricalcohol and the manufacturing method.
一种聚醚酯多元醇及其制备方法，属于聚合物技术。
2
The polyhydricalcohol having 4 or more carbon atoms may be diethylene glycol or triethylene glycol.
具有至少4个碳原子的多元醇可以是二乙二醇或者三乙二醇。
3
To this end an aspartic acid derivative and a fatty acid ester of a polyhydricalcohol are incorporated as additives in a base oil of e. g. mineral oil or synthetic oil type.