| 摘要 |
<p>1489190 Acylated polyalkylene polyamine E I DU PONT DE NEMOURS & CO 29 Nov 1974 [29 Nov 1973] 51767/74 Heading C2C [Also in Division C5] An acylated polyalkylene polyamine, useful as a gasoline additive (see Division C5), has the formula wherein R is H or R<SP>1</SP>-CO- and at least two R groups are R<SP>1</SP>-CO-, R<SP>1</SP> is C 9-21 saturated or unsaturated aliphatic hydrocarbyl, and n is 2 or 3. The compounds are made by reacting the polyalkylene polyamine with an appropriate carboxylic acid or an anhydride or acid halide thereof.</p> |
