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US 2026/0218079 A1Published application
Lubricant composition
AssigneeSYENSQO SPECIALTY POLYMERS ITALY S.p.A.
InventorsChristine Hamon, Andrea Lotierzo
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Abstract
The present invention relates to a lubricant composition comprising a (per)fluoropolyether polymer as base oil, a salt of a (per)fluoropolyether polymer as a conductive additive and at least one thickener.
Claims20
A composition (COMP) comprising:
- (A) a (per)fluoropolyether polymer-base oil, PFPE base oil;
- (B) up to 20.0 wt. % based on the total weight of composition (COMP) of at least one salt of a (per)fluoropolyether polymer, PFPE additive, comprising a (per)fluoropolyether backbone having two chain ends bonded to opposite sides of said backbone, wherein at least one chain end comprises at least one group selected from:
- (i) acid group selected from:
- wherein each is salified with at least one inorganic metal salt or with an organic group selected from ammonium salt and phosphonium salt;
- (ii) ammonium group and at least one inorganic or organic counterion;
- and
- (C) from 0.1% to 35.0% by weight, based on 100% by weight of said composition, of at least one thickener selected from fluorinated polymer and/or aromatic polymer.
4 more elements
Dependencies are inferred from the claim text.