EP 3177701 B1 20180725 - LUBRICATION METHOD WITH ALKOXYLATED PERFLUOROPOLYETHER
Title (en)
LUBRICATION METHOD WITH ALKOXYLATED PERFLUOROPOLYETHER
Title (de)
SCHMIERVERFAHREN MIT ALKOXYLIERTEN PERFLUOROPOLYETHERN
Title (fr)
PROCÉDÉ DE LUBRIFICATION AVEC DES PERFLUOROPOLYÉTHER ALKOXYLÉ
Publication
Application
Priority
- EP 14179867 A 20140805
- EP 2015067354 W 20150729
Abstract (en)
[origin: WO2016020232A1] A lubrication method comprising applying to a surface to be lubricated a polymer comprising a partially or fully fluorinated, straight or branched, polyoxyalkylene chain (chain Rf) having two chain ends, wherein one or both chain end(s) bear(s) a hydroxy- or alkoxy-terminated polyoxyalkylene chain free from fluorine atoms (chain Ra), said chain comprising from 4 to 50 fluorine-free oxyalkylene units, said units being the same or different from one another and being selected from -CH2CH2O- and -CH2CH(J)O-, wherein J is independently straight or branched alkyl or aryl, with the proviso that, if both chain ends bear a hydroxy-terminated chain Ra comprising only -CH2CH2O- units, chain Rf does not consist only of -CF2CF2O-units. Lubricant compositions containing the polymer and methods for preparing the polymer are also herein disclosed.
IPC 8 full level
C10M 147/04 (2006.01)
CPC (source: CN EP US)
C10M 147/04 (2013.01 - CN EP US); C10M 169/06 (2013.01 - CN); C10M 2213/04 (2013.01 - CN EP US); C10M 2213/0626 (2013.01 - CN EP US); C10N 2020/04 (2013.01 - US); C10N 2030/02 (2013.01 - CN EP US); C10N 2030/06 (2013.01 - CN EP US); C10N 2030/10 (2013.01 - CN EP US); C10N 2050/10 (2013.01 - CN EP US); C10N 2070/00 (2013.01 - CN EP US)
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2016020232 A1 20160211; CN 107109283 A 20170829; EP 3177701 A1 20170614; EP 3177701 B1 20180725; JP 2017523292 A 20170817; US 2017240839 A1 20170824
DOCDB simple family (application)
EP 2015067354 W 20150729; CN 201580054088 A 20150729; EP 15750276 A 20150729; JP 2017506335 A 20150729; US 201515501820 A 20150729