| 摘要 |
<p>A diesel fuel composition comprising a performance enhancing additive, wherein the performance enhancing additive is the product of a Mannich reaction between: an aldehyde; a polyamine; and an optionally substituted phenol; wherein the polyamine component includes the moiety RRNCHRCHRNRRwherein each of R, RR, R, Rand Ris independently selected from hydrogen, and an optionally substituted alkyl, alkenyl, alkynyl, aryl, alkylaryl or arylalkyl substituent.</p> |
