C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/18 (2006.01) C08K 5/37 (2006.01) C08L 23/14 (2006.01) C10M 143/00 (2006.01) C10M 161/00 (2006.01)
Patent
CA 2179134
A composition comprising (A) an ethylene-alpha olefin-bicyclic non- conjugated diene copolymer, wherein the alpha olefin contains from 3 to about 24carbon atoms; (B) at least one organic sulfur containing compound selected from the group consisting of mercaptans and disulfides; and (C) a major amount of diluent; wherein the sulfur-containing compound (B) is present in amounts ranging from about 0.1% to about 15% by weight relative to the weight of the copolymer (A). This invention also relates to a method of shearing a composition comprising (A) an ethylene-alpha olefin-bicyclic non-conjugated diene copolymer and (C) a diluent, the improvement which comprises reducing or preventing the formation ofgel-like particles on shearing by intimately mixing with said copolymer prior toshearing an amount of (B) an organic sulfur containing compound selected from the group consisting of mercaptans and disulfides in an amount sufficient to inhibitformation of said gel-like particles. The invention also relates to lubricating oil compositions containing the compositions of the invention.
Grisso Bryan Allers
Lange Richard Michael
Ridout & Maybee Llp
The Lubrizol Corporation
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