Compatibilizer for a viscosity index improving polymer blend
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United States of America Patent
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May 16, 1995
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app pub date -
Sep 20, 1993
filing date -
Sep 20, 1993
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Abstract
A method for making compatibilizer for a concentrated viscosity index improving polymer blend includes polymerizing a mixture of (meth)acrylate monomers in the presence of a polyolefin polymer. A concentrated blend of viscosity index improving polymers includes a non-nitrogenous dispersant poly(meth)acrylate copolymer, a polyolefin copolymer, the compatibilizer and a hydrocarbon diluent.
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