Hydroxyalkyl substituted succinimides and fuels containing them
A succinimide and hydroxyalkyl hydrocarbon-based technology, which is applied in the field of gasoline fuel compositions, can solve problems such as unstable intake valve deposits, achieve improved fuel economy, improve seal compatibility and demulsibility, Effect of improving friction or wear properties
Active Publication Date: 2017-03-29
AFTON CHEMICAL
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Problems solved by technology
Although GMOs can improve fuel economy when added to lubricants, GMOs are not stable in the fuel's additive package and are known to cause increased intake valve deposits in gasoline engines
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment 5
[0107] The reaction product of Comparative Example 4 (145 g) was reacted with glycidol (25.5 g) at 55°C for 2.5 hours and then at 65°C for 2.5 hours to give a product as a viscous oil.
Embodiment 6
[0109] Make C 20 -C 24 Alkyl succinic anhydride (2000g) was reacted with aminoethylethanolamine (523g) in the presence of toluene (100g) at 160°C. The reaction proceeded until no more water was produced. The resulting reaction mixture was vacuum stripped at 130 °C to remove volatiles, yielding a sticky product. The reaction product was then further reacted with 1 equivalent of ethylene oxide at 55°C for 2.5 hours and then at 65°C for 2.5 hours to yield the product as a viscous oil.
Embodiment 7
[0111] Succinimide from Inventive Example 6 (152 grams) was reacted with glycidol (22.5 grams) instead of ethylene oxide according to the procedure of Inventive Example 5 to give the product as a viscous oil.
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The invention discloses a hydroxyalkyl substituted succinimides and fuels containing them. A fuel composition and method for reducing friction or wear and improving fuel economy in an engine is provided. The fuel composition includes gasoline and from about 10 to about 750 ppm by weight based on a total weight of the fuel composition of a hydroxyalkyl hydrocarbyl-substituted succinimide compound having at least two hydroxyl groups attached to a tertiary nitrogen atom of a polyamino group through a hydrocarbyl link, wherein the hydroxyalkyl hydrocarbyl-substituted succinimide is devoid of primary and secondary amino groups.
Description
technical field [0001] The present disclosure relates to the use of gasoline fuel compositions exhibiting reduced engine friction or wear and improved fuel economy. In particular, the present disclosure relates to hydroxyalkyl-substituted succinimide additives that reduce friction or wear of engine components and improve the fuel economy of the engine. Background technique [0002] Fuel compositions for vehicles are continually being improved to enhance various properties of the fuel, thereby making it suitable for use in newer and more advanced engines, such as direct injection gasoline engines. Accordingly, fuel compositions often contain additives for certain properties that require improvement. For example, friction modifiers, such as fatty acid amides, are added to fuels to reduce friction and wear in the engine's fuel delivery system. However, certain fatty acid amides may not be stable in fuel additive packages at low storage temperatures and the performance of ...
Claims
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IPC IPC(8): C10L1/04C10L1/224C10L10/08
CPCC07D207/325C10L1/22C10L10/08C10L2200/0259C10L2230/22C10L2250/04C10L2270/023C10L1/04C10L1/224C10L2270/02C10L2230/14C10L1/2383
Inventor X.方S.A.库利S.D.施瓦布
Owner AFTON CHEMICAL