A method of removing deposits from a diesel engine, the method comprising combusting in the engine a diesel fuel composition comprising an engine cleaning additive, wherein the engine cleaning additive is the product of a Mannich reaction between: (a) an aldehyde; (b) ammonia, hydrazine or an amine; and (c) an optionally substituted phenol; wherein the or each substituent of the phenol component (c) has an average molecular weight of less than 400.
METHOD OF PREPARING AN OXIDATIVELY CURABLE COATING FORMULATION
申请人:Catexel Limited
公开号:EP3426740A2
公开(公告)日:2019-01-16
Fuel Compositions
申请人:Reid Jacqueline
公开号:US20100281760A1
公开(公告)日:2010-11-11
A diesel fuel composition comprising a performance enhancing additive, wherein the performance enhancing additive is the product of a Mannich reaction between: (a) an aldehyde; (b) a polyamine; and (c) an optionally substituted phenol; wherein the molar ratio of component (c) to component (b) in the reaction mixture used to prepare the performance enhancing additive is at least 1.5:1.