Shear-Stable Oil Compositions and Processes for Making the Same

A process for forming a lubricant oil, comprising the following steps:

• (I) providing a first component comprising multiple molecules of the first type each having multiple pendant groups, where (i) the average pendant group length of the longest 5%, by mole, of the pendant groups of all of the molecules of the first type have an average pendant group length of Lpg(5%), where Lpg(5%)≧5.0;
• and (ii) a portion of the molecules of the first type have molecular weight greater than or equal to 20,000;
• (II) providing a second component comprising multiple molecules of the second type each of which individually is capable of adjoining no more than one molecule of the first type via van der Waals force between straight carbon chains to form a stable first complex structure;
• (III) mixing the first component in a first quantity, the second component in a second quantity, and optionally other components to obtain an oil composition free of a third component, wherein:
• the second component comprises multiple molecules of the second type each comprising two terminal carbon chains, where (i) the number average molecular weight of the second component is no greater than 2,000;
• and (ii) the two terminal carbon chains have chain lengths equal to or greater than 5.0 and do not share a common carbon atom.