Diesel additive, preparation method and usage method thereof

Abstract

The present invention relates to a fuel additive. The fuel additive comprises 70-90 wt. % of a nonylphenol polyether amine, 10-30 wt. % of a multi-amido polyisobutylene amine, and 0-20 wt. % of an auxiliary additive based on the total weight of the fuel additive. The fuel additive provided by the present disclosure is able to effectively remove carbon deposits at a gas intake valve and a combustion chamber of a fuel engine.

1 . A fuel additive, comprising:
 70-90 wt. % of a nonylphenol polyether amine;   10-30 wt. % of a multi-amido polyisobutylene amine; and   0-20 wt. % of an auxiliary additive, based on the total weight of the fuel additive.   
     
     
         2 . The fuel additive according to  claim 1 , wherein the nonylphenol polyether amine includes the following general formula: 
       
         
           
           
               
               
           
         
         wherein, m=1-2, n=24-26, y=1-2. 
       
     
     
         3 . The fuel additive according to  claim 2 , wherein the nonylphenol polyether amine has a molecular weight of 1000-2000. 
     
     
         4 . The fuel additive according to  claim 1 , wherein the nonylphenol polyether amine is present at a level of 80-90 wt. %. 
     
     
         5 . The fuel additive according to  claim 1 , wherein the multi-amido polyisobutylene amine comprises the following general formula: 
       
         
           
           
               
               
           
         
         wherein, R 1 , R 2  and R 3  are each independently selected from one of the group consisting of: H, CH 3 , C 2 H 5 , C 3 H 7  and C 4 H 9 , n=4-18, m=2-5. 
       
     
     
         6 . The fuel additive according to  claim 5 , wherein the multi-amido polyisobutylene amine has a molecular weight of 800-1200. 
     
     
         7 . The fuel additive according to  claim 1 , wherein the multi-amido polyisobutylene amine comprises at least one of a diamine polyisobutylene amine and a penta-amine polyisobutylene amine. 
     
     
         8 . The fuel additive according to  claim 1 , wherein the multi-amido polyisobutylene amine is present at a level of 10-20 wt. %. 
     
     
         9 . The fuel additive according to  claim 1 , wherein the auxiliary additive comprises at least one of a diluent and a friction modifier. 
     
     
         10 . The fuel additive according to  claim 1 , wherein the auxiliary additive is present at a level of 5-20 wt. %. 
     
     
         11 . A method for preparing the fuel additive, comprising the step of mixing the ingredients of the fuel additive according to  claim 1 . 
     
     
         12 . A method of using the fuel additive, comprising the step of adding the fuel additive according to  claim 1  into a fuel. 
     
     
         13 . The method according to  claim 11 , wherein the fuel is gasoline.