Fuel compositions containing N-substituted perhydro-s-triazines

摘要

The present invention is directed to a composition made by reacting
<UnorderedLists id="ula01" listStyle="none" compact="compact"><ListItem>A) an aldehyde of 1 to 12 carbon atoms or a reactive equivalent thereof; and</ListItem><ListItem>B) at least one etheramine represented by the formula

        R<Sup>2</Sup>[O(CH<Sub>2</Sub>CH(R)O)<Sub>n</Sub>―R<Sup>1</Sup>―NH<Sub>2</Sub>]<Sub>y</Sub>     (I)

wherein each n is a number from 0 to about 50; each R is selected from the group consisting of hydrogen, hydrocarbyl groups of 1 to about 16 carbon atoms, and mixtures thereof; each R<Sup>1</Sup> is selected from the group consisting of a hydrocarbylene group containing 2 to about 18 carbon atoms and a group represented by the formula

        ―(R<Sup>6</Sup>N)<Sub>p</Sub>―R<Sup>7</Sup>―

wherein both R<Sup>6</Sup> and R<Sup>7</Sup> are hydrocarbylene groups of about 3 to about 10 carbon atoms and p is a number from 1 to 4; y is 1, 2, or 3; and each R<Sup>2</Sup> is a hydrocarbyl group having a valence of y and containing 1 to about 50 carbon atoms when y is 1 and 1 to about 18 carbon atoms when y is 2 or 3; y is 1, 2, or 3; provided that when n is zero, y is 1.</ListItem></UnorderedLists>

The reaction product can include a N-substituted perhydro-s-triazine represented by the formula
<Chemistry id="chema01" num="0001"><Image id="ia01" he="41" wi="94" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" /></Chemistry>

Fuel additives containing these compositions are useful in reducing intake valve deposit and do not contribute to the increase in combustion chamber deposit in port fuel injected engines.