	US 11,667,864 B2
	Lubricants with a terpolymer made of diester, olefin and acrylate
Ivette Garcia Castro, Ludwigshafen am Rhein (DE); Wolfgang Grabarse, Ludwigshafen am Rhein (DE); Jan Strittmatter, Ludwigshafen am Rhein (DE); Markus Scherer, Ludwigshafen am Rhein (DE); Karolin Monz, Ludwigshafen am Rhein (DE); and Rene Koschabek, Ludwigshafen am Rhein (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/286,222
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Oct. 8, 2019, PCT No. PCT/EP2019/077198 § 371(c)(1), (2) Date Apr. 16, 2021, PCT Pub. No. WO2020/078770, PCT Pub. Date Apr. 23, 2020.
Claims priority of application No. 18200690 (EP), filed on Oct. 16, 2018.
Prior Publication US 2021/0348079 A1, Nov. 11, 2021
Int. Cl. C10M 107/28 (2006.01); C08F 220/18 (2006.01); C08F 210/14 (2006.01); C08F 222/14 (2006.01); C10M 107/10 (2006.01); C10N 20/00 (2006.01); C10N 20/04 (2006.01); C10N 30/02 (2006.01); C10N 30/10 (2006.01); C10N 20/02 (2006.01)

CPC C10M 107/28 (2013.01) [C08F 210/14 (2013.01); C08F 220/1804 (2020.02); C08F 220/1808 (2020.02); C08F 220/1812 (2020.02); C08F 220/1818 (2020.02); C08F 222/14 (2013.01); C10M 107/10 (2013.01); C10M 2205/0285 (2013.01); C10M 2209/0845 (2013.01); C10M 2209/0863 (2013.01); C10N 2020/011 (2020.05); C10N 2020/02 (2013.01); C10N 2020/04 (2013.01); C10N 2030/02 (2013.01); C10N 2030/10 (2013.01)]

18 Claims

1. A lubricant comprising a terpolymer which comprises in polymerized form

5 to 40 mol % of a diester selected from the group consisting of di(C₆-C₁₄alkyl)ester of maleic acid, fumaric acid, 2-methylmaleic acid, 2,3-dimethylmaleic acid, 2-methylfumaric acid, 2,3-dimethylfumaric acid, and mixtures thereof,

5 to 40 mol % of an olefin selected from 1-decene, 1-undecene, 1-dodecene, 1-tridecene, 1-tetradecene, 1-pentadecene, 1-hexadecene, 1-heptadecene, 1- octadecene, 1-nonadecene and 1-eicosene, and

20 to 90 mol % of an acrylate selected from the group consisting of linear or branched octyl, nonyl, decyl, undecyl, tridecyl, tetradecyl, pentadecyl, hexyldecyl, heptadecyl, octadecyl, 2-decyl-tetradecyl, 2-dodecyl- hexadecyl, tetradecyl-octadecyl (meth)acrylates, and mixtures thereof;

where mol % values are based on the terpolymer and sum up to 85 to 100 mol %.