Fuel additive composition

Abstract

A fuel additive composition including a Mannich product, a polyetheramine, and a friction modifier is disclosed. Also, disclosed are a fuel composition comprising the fuel additive composition, an engine combusting the fuel composition, and a method of preventing and/or forming deposits in an engine.

1 . A fuel additive composition comprising: 
 a) a Mannich product,    b) a polyetheramine, and    c) a friction modifier.    
     
     
         2 . The composition of  claim 1 , wherein the Mannich product is a reaction product of an alkyl-substituted hydroxyaromatic compound, an aldehyde, and an amine.  
     
     
         3 . The composition of  claim 2 , wherein the alkyl-substituted hydroxyaromatic compound is chosen from alkylphenols.  
     
     
         4 . The composition according to  claim 3 , wherein the alkylphenols are chosen from cresols.  
     
     
         5 . The composition according to  claim 2 , wherein the alkyl-substituted hydroxyaromatic compound is chosen from polyolefin-substituted phenols.  
     
     
         6 . The composition according to  claim 5 , wherein the polyolefin-substituted phenols are chosen from polybutylene-substituted phenols and polypropylene-substituted phenols.  
     
     
         7 . The composition according to  claim 5 , wherein the polyolefin-substituted phenols are polyisobutylcresols.  
     
     
         8 . The composition according to  claim 2 , wherein the amine comprises an alkylene polyamine.  
     
     
         9 . The composition according to  claim 1 , further comprising a polyether alcohol.  
     
     
         10 . The composition according to  claim 2 , wherein the aldehyde is formaldehyde or a precursor thereof.  
     
     
         11 . The composition according to  claim 1 , wherein the friction modifier is an amide.  
     
     
         12 . The composition according to  claim 11 , wherein the amide is an alkanolamide.  
     
     
         13 . The composition according to  claim 11 , wherein the amide is a reaction product of an acid and an amine.  
     
     
         14 . The composition according to  claim 13 , wherein the acid is selected from the group consisting of a monofunctional acid and a multifunctional acid.  
     
     
         15 . The composition according to  claim 13 , wherein the amine is selected from the group consisting of a monoamine and a polyamine.  
     
     
         16 . The composition according to  claim 13 , wherein the acid is a monocarboxylic fatty acid and the amine is diethanolamine.  
     
     
         17 . The composition according to  claim 1 , wherein the Mannich product is combined with at least one liquid carrier.  
     
     
         18 . A process for preparing a fuel additive, comprising providing a Mannich product, a polyetheramine, and a friction modifier to yield a fuel additive.  
     
     
         19 . The process according to  claim 18 , wherein the friction modifier is present in the fuel additive in a friction modifying amount via ASTM D 6079.  
     
     
         20 . A fuel composition comprising: 
 (A) a fuel in a major amount; and    (B) a fuel additive composition according to  claim 1  in a minor amount.    
     
     
         21 . The composition according to  claim 20 , wherein the fuel comprises gasoline.  
     
     
         22 . The composition according to  claim 20 , wherein the Mannich product comprises from about 5 ptb to about 300 ptb of active material in the fuel composition.  
     
     
         23 . The composition according to  claim 22 , wherein the Mannich product comprises from about 25 ptb to about 200 ptb of active material in the fuel composition.  
     
     
         24 . The composition according to  claim 20 , wherein the polyetheramine comprises from about 5 ptb to about 300 ptb of active material in the fuel composition.  
     
     
         25 . The composition according to  claim 24 , wherein the polyetheramine comprises from about 25 to about 200 ptb of active material in the fuel composition.  
     
     
         26 . The composition according to  claim 20 , further comprising at least one additive selected from the group consisting of dispersants, detergents, antioxidants, carrier fluids, metal deactivators, dyes, markers, corrosion inhibitors, biocides, antistatic additives, drag-reducing agents, demulsifiers, dehazers, anti-icing additives, anti-knock additives, anti-valve-seat recession additives, lubricity additives, and combustion improvers.  
     
     
         27 . A method for preventing and/or reducing the formation of deposits in an engine, comprising fueling and operating said engine with a fuel composition according to  claim 20 .  
     
     
         28 . The method of  claim 27 , wherein the deposits are combustion chamber deposits.  
     
     
         29 . An engine combusting a fuel additive composition according to  claim 1 .  
     
     
         30 . An engine combusting a fuel composition according to  claim 20 .  
     
     
         31 . An actuated injector contacting a fuel additive composition according to  claim 1 .  
     
     
         32 . An actuated injector contacting a fuel composition according to  claim 20 .  
     
     
         33 . The injector of  claim 31 , wherein the actuated injector is selected from the group consisting of direct-injection gasoline, port-fuel, sequential central port-fuel, and director plate injectors.  
     
     
         34 . A fuel additive composition comprising: 
 a) an aliphatic hydrocarbyl-substituted amine,    b) a polyetheramine, and    c) a friction modifier.