Engine lubricant composition

Engine lubricant composition

  • CN 104,364,357 A
  • Filed: 05/03/2013
  • Published: 02/18/2015
  • Est. Priority Date: 05/04/2012
  • Status: Active Application
First Claim
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1. for the lubricant compositions of engine, it comprises at least one base oil, at least one viscosity index improver polymkeric substance and at least one polyalkylene glycol, described polyalkylene glycol is the multipolymer of butylene oxide ring and propylene oxide, wherein butylene oxide ring is the value of value, the preferably 3:

  • 1-1;

    1 of 3;

    1-1;

    3 to propylene oxide mass ratio, the amount of polyalkylene glycol is the 1-28 quality % of the total mass relative to described lubricant compositions, and described polyalkylene glycol has general formula (A);

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