Global Patent Index - EP 2228425 A1

EP 2228425 A1 20100915 - Lubricant

Title (en)

Lubricant

Title (de)

Schmiermittel

Title (fr)

Lubrifiant

Publication

EP 2228425 A1 20100915 (DE)

Application

EP 09002878 A 20090227

Priority

EP 09002878 A 20090227

Abstract (en)

Composition comprises: (a) an ester of fatty acid mixture comprising at least 80 wt.% of oleic acid and 2-8C polyol having 2-4 hydroxyl groups; (b) an ester of fatty acid mixture comprising at least 80 wt.% of oleic acid and oxoalcohol mixture consisting of an alcohol (I) and/or (II); and (c) ester of fatty acid mixture comprising at least 80 wt.% of oleic acid and an alcohol (III). Composition comprises: (a) an ester of fatty acid mixture comprising at least 80 wt.% of oleic acid and 2-8C polyol having 2-4 hydroxyl groups; (b) an ester of fatty acid mixture comprising at least 80 wt.% of oleic acid and oxoalcohol mixture consisting of an alcohol of formula (R1-CH(CH 3)-CH 2OH) (I) and/or an alcohol of formula (R1-(CH 2) 3-OH) (II); and (c) ester of fatty acid mixture comprising at least 80 wt.% of oleic acid and an alcohol of formula (R3-(CH 2) 2-CH(R1)-CH 2OH) (III), where the total number of carbon in alcohol is 8-32C. R1 : at least one methyl group branched 6-14C alkyl; R2 : 2-15C linear alkyl; and R3 : 1-18C linear alkyl. An independent claim is included for preparing the composition, comprising mixing the components (a)-(c), optional component (d) including at least one antioxidant such as aminic antioxidant, component (e) including at least one extreme pressure/antiwear additive such as dialkylthiocarbamate and/or additives such as antioxidant, antiwear agents, foam suppressing agents, corrosion inhibitors, dispersing agents, viscosity index enhancer and/or pour-point depressors.

Abstract (de)

Die Erfindung betrifft eine Zusammensetzung, welche A) Ester aus einem Fettsäuregemisch, enthaltend mindestens 80 Gew.% Ölsäure, und einem Polyol, B) Ester aus einem Fettsäuregemisch, enthaltend mindestens 80 Gew.-% Ölsäure, und einem Oxoalkoholgemisch, und C) Ester aus einem Fettsäuregemisch, enthaltend mindestens 80 Gew.-% Ölsäure, und einem Alkohol, umfasst. Ferner betrifft die Erfindung ein Verfahren zur Herstellung dieser Zusammensetzung, umfassend das Vermischen der Komponenten, sowie die Verwendung der Zusammensetzung als Schmiermittel.

IPC 8 full level

C10M 105/32 (2006.01); C10M 169/04 (2006.01); C10N 30/02 (2006.01); C10N 30/08 (2006.01); C10N 30/10 (2006.01); C10N 40/08 (2006.01)

CPC (source: EP)

C10M 105/32 (2013.01); C10M 169/04 (2013.01); C10M 2207/281 (2013.01); C10M 2207/2815 (2013.01); C10M 2207/2835 (2013.01); C10M 2215/064 (2013.01); C10M 2219/066 (2013.01); C10N 2030/02 (2013.01); C10N 2030/08 (2013.01); C10N 2030/10 (2013.01); C10N 2030/64 (2020.05); C10N 2040/08 (2013.01)

Citation (applicant)

Citation (search report)

Citation (examination)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

EP 2228425 A1 20100915

DOCDB simple family (application)

EP 09002878 A 20090227