| 摘要 |
Dithiocarbamic salts made from the reaction products of certain polyamines and epoxides have been found to be useful to clarify water, particularly the oil-in-water emulsions which accompany crude oil production. The water clarification may be accomplished by demulsification or flocculation. The polyamine reaction products themselves are novel and may have the structure <IMAGE> where R'' is selected from the group consisting of the structure -R-NH2 and <IMAGE> where R is selected from the group consisting of straight, branched or cyclic alkylene moieties; arylene moieties; substituted straight, branched or cyclic alkylene moieties; substituted arylene moieties or mixtures thereof; and where R' is -(CH2)m-O-R-O-(CH2)m- where n and m independently range from 1 to 5 and q is 0 or 1. The dithiocarbamic salts made from these polyamines also find use as corrosion inhibitors.
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