Polyfluorinated compounds, their preparation and their use as lu

Details Polyfluorinated compounds, their preparation and their use as lu Polyfluorinated compounds, their preparation and their use as lu

1988-06-09

1989-08-22

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 58, 564503, 564510, C10L13304

Patent

active

048593575

ABSTRACT:
The invention relates to new polyfluorinated compounds which are usable as anti-wear additives for lubricants.
These compounds are of general formula: ##STR1## in which R.sub.F is a perfluorinated radical, X denotes a divalent linkage--(CH.sub.2 CF.sub.2).sub.a (CH.sub.2).sub.b --, --CF.dbd.CH--CH.sub.2 -- or --CFH--CH.sub.2 CH.sub.2 --, a is an integer ranging from 0 to 10, b is an integer ranging from 1 to 4 but equal to 2 if a is other than zero, R.sub.1 denotes a hydrogen atom or an alkyl radical, R.sub.2 denotes a hydrogen atom or a methyl radical and R.sub.3 denotes an alkyl radical. They are prepared by condensing an amino alcohol, R.sub.F --X--NH--CH.sub.2 CH(R.sub.1)OH, with an alkyl ester of an unsaturated carboxylic acid, CH.sub.2 .dbd.C(R.sub.2)--COOR.sub.3.

REFERENCES:
patent: 3873619 (1975-03-01), Luca et al.
patent: 4409001 (1982-07-01), Sung

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