| Name | defoamer GPE |
| Synonyms | defoamer GPE demulsifier M-502 Polyoxypropylene-polyoxyethylene glycerol ether |
| Storage Condition | 贮存于阴凉、干燥处，避免日晒、雨淋；有效贮存期12个月。按一般货物运输。 |
| Physical and Chemical Properties | Chemical quality This product is colorless transparent liquid to yellow transparent liquid, soluble in water, ether. Have good foam elimination ability. |
| Use | It is used as a demulsifier for dehydration of crude oil in oil fields, with fast dehydration speed and wide adaptability. Is commonly used in the pharmaceutical industry defoaming agent, widely used in medicine, food, fertilizer, coating and other industries defoaming. |
put 1 mol of glycerol and n mol of ethylene oxide into a polymerization kettle with nitrogen replacing air, add potassium hydroxide as catalyst, raise the temperature to 90~95 ℃, and pressurize to 0.4~0.5 MPa for polymerization reaction. After the reaction is completed, continue to pass n mol propylene oxide and react under the above conditions. After the reaction pressure drops to normal pressure, the material is pumped into the neutralization kettle, washed with water first, and then neutralized with phosphoric acid to pH 6~7. Finally, reduce pressure, raise the temperature to 100~120 ℃, dehydrate, filter, and package to obtain the finished product.