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Use of a base oil, method for operating a spark ignition four-stroke internal combustion engine, and gasoline composition
Use of a base oil, method for operating a spark ignition four-stroke internal combustion engine, and gasoline composition
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机译:基础油的用途,用于操作火花点火四冲程内燃发动机的方法以及汽油组合物
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摘要
The use of from 0.1 to 5 wt %, based on overall gasoline composition, of a base oil having a kinematic viscosity at 100° C. of at least 1 cSt, in a gasoline composition comprising a major amount of gasoline is disclosed for improving the acceleration response of a four-stroke spark-ignition internal combustion engine fueled by the gasoline composition. A method of operating a four-stroke spark-ignition internal combustion engine is also disclosed which method involves introducing into a combustion chamber of said engine a gasoline composition comprising: (a) a major amount of a gasoline; and (b) from 0.1 wt % to 5 wt %, based on the overall gasoline composition, of a base oil having a kinematic viscosity at 100° C. of at least 1 cSt.
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