Patent ID: 9617495
Date: 2017-04-11
CPC Classifications: C08F,C10M,C10N,F03D,Y02E

Claim:
1. A lubricant, comprising at least 30% by weight of a polyalkyl(meth)acrylate, wherein the polyalkyl(meth)acrylate comprises: a) 0 to 0.5% by weight of repeat units derived from (meth)acrylates of the formula (I): wherein R is hydrogen or methyl, and R b) 50 to 100% by weight of repeat units derived from (meth)acrylates of the formula (II): wherein R is hydrogen or methyl, and R c) 0 to 50% by weight of repeat units derived from (meth)acrylates of the formula (III): wherein R is hydrogen or methyl, and R wherein the polyalkyl(meth)acrylate comprises n-dodecyl thioether and t-dodecylthioether terminal groups, the repeat units of the formula (II) comprise a mixture of linear and branched radicals such that 5 to 80% of the R the polyalkyl(meth)acrylate is obtained by copolymerization of the component monomers in the presence of 2 to 6% by weight relative to a total weight of the component monomers of a combination of n-dodecylmercaptan and t-dodecyl mercaptan, and a weight average molecular weight of the polyalkyl(meth)acrylate is from 3000 to 25,000 g/mol and a polydispersity of the polyalkyl(meth)acrylate is from 1.1 to 2.5.