| 摘要 |
A polymeric surfactant obtainable by reaction between: (i) a polyolefin oligomer functionalized with at least one group deriving from a dicarboxylic acid, or a derivative thereof; and (ii) a polyoxyalkylene comprising linear oxyalkylene units, said polyoxyalkylene being linked to a long-chain alkyl group optionally containing one or more ethylenic unsaturations. The surfactant is added into a fuel comprising an emulsion bewteen water and a liquid hydrocarbon. The fuel has high stability over time, without forming carbonaceous deposits which adhere to metal surfaces.
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