Name | polyesters containing quarternary ammonium groups |
Synonyms | polyesters containing quarternary ammonium groups |
Physical and Chemical Properties | Chemical quality This product is yellow viscous or paste, with excellent demulsification and dehydration performance. |
Use | Use as a petroleum demulsifier. 18 × 10-6 quaternized polyester was added to crude oil [crude oil containing 12.5 water (vol)], and the water separation rate was 20% at 48 ℃ for 10 min, 61 min, 83 min, 60 min, 100%, no quaternized polyester was added for 3 h without separation. |
203 kg of decadecylamine ethoxy (10) compound is added into a reaction kettle, 44 kg of adipic acid, 454 kg of glycerol polyoxyethylene polyoxypropylene block copolymer, 12 kg of ethylene oxide, 23 kg 80% lactic acid, 13 kg of water and 29 kg of isobutanol are added under stirring, and the product is reacted at 80 ℃ for 15 h.