首页>
外国专利>
NEW BETAINE AND ITS METHOD OF MANUFACTURING AND SURFACE ACTIVE AGENT COMPOSED OF SAID BETAINE FOR PETROLEUM PRODUCTION
NEW BETAINE AND ITS METHOD OF MANUFACTURING AND SURFACE ACTIVE AGENT COMPOSED OF SAID BETAINE FOR PETROLEUM PRODUCTION
展开▼
机译:石油生产用丁苯胶的新型甜菜碱及其制造和表面活性剂的方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
The reaction of an aminoalkanol of the formula: IMAGE wherein R1 and R2 are C1-17 aliphatic hydrocarbon groups (the sum of the carbon atoms in R1 + R2 being from 9 to 18); R3 and R4 represent the same or different C1-6 alkyl or alkylol groups; x represents a integer from 2 to 4; and y represents 0 or 1, with a water-soluble halocarboxylic acid provides quaternary ammonium compounds. The compounds are amphoteric surface-active agents which are soluble in water containing high concentrations of NaCl, and are useful in the recovery of underground petroleum by the flooding method.
展开▼