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MICROENCAPSULATION OF LUBRICANT ADDITIVES

  • US 20140087982A1
  • Filed: 09/24/2012
  • Published: 03/27/2014
  • Est. Priority Date: 09/24/2012
  • Status: Abandoned Application
First Claim
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1. A lubricating oil comprising a nonpolar lubricating oil base stock as a major component and microcapsules as a minor component;

  • wherein said microcapsules are dispersed in said nonpolar lubricating oil base stock; and

    wherein said microcapsules comprise (i) a core containing a polar solvent and one or more polar lubricating oil additives having solubility in said polar solvent, and (ii) optionally a shell or membrane enclosing said core;

    wherein the solubility of the polar lubricating oil additives in the nonpolar lubricating oil base stock is improved as compared to solubility achieved using a lubricating oil containing polar lubricating oil additives in a nonpolar lubricating oil base stock and not containing said microcapsules.

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