Viscosity improver grafted with unsaturated acylating agent and an aryloxyalylkene monoamine
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Aug 25, 2015
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Jul 18, 2012
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Jul 18, 2012
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Disclosed is an oil-soluble lubricating oil additive composition, suitable for use as a dispersant viscosity index improver in lubricating oils; prepared by the process which comprises reacting a hydrocarbon polymer having a number average molecular weight (Mn) between about 7,000 and about 500,000 wherein the polymer backbone has been functionalized with an ethylenically unsaturated acylating agent and an aryloxy-alkylene amine.
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