The new-style hepta-block copolymer polyoxyethylene-polyoxypropylene polyether phosphate ester demulsifiers is prepared for dehydrating high water cut and viscous heavy crude oil of district X of Shengli Oil-field Gudao Oil Production Factory.

Seperation and analysis of polyether phosphate salts in spinning finishes;

Using perfluoropolyether phosphate to lower pH without increasing skin irritation;

Introduction to synthesis and application of polyether-modified polysiloxane phosphate;