Back to results
US 12,371,632 B2Granted
Additive or composition for imparting lubricity
AssigneeMiyoshi Oil & Fat Co., Ltd.
InventorsKotaro Kaneko, Koji Kawai
Life of this patent
Estimating the term…
Abstract
Provided is a an additive or composition for imparting lubricity which has high lubricity, is excellent in low-corrosion property, low-temperature fluidity, thermal conductivity, thermal stability, and oxidative stability, and has high flashing point. The lubricant according to the present invention is an additive or composition, wherein the following components (A) an amine or an ammonium compound; and (B) an acid or a salt thereof, have been added therein, wherein at least one of the components (A) and (B) contains a hydrogen-bonding functional group.
Claims30
A method for imparting lubricity on mechanical moving parts, comprising the steps of:
- (a) preparing a composition by mixing at least the following components:
- (A) an amine or an ammonium compound;
- and (B) an acid or a salt of the acid,
- wherein at least one of the components (A) and (B) contains a hydrogen-bonding functional group, and
- wherein the component (A) is represented by the formula (I):
- wherein each R1 independently represents a group selected from the group consisting of
- a hydroxy hydrocarbon group in which there is at least one hydroxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety optionally contains an oxygen atom(s);
- a carboxy hydrocarbon group in which there is at least one carboxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety thereof optionally contains an oxygen atom(s);
- and
- a hydroxycarboxy hydrocarbon group in which there are at least one hydroxy group and at least one carboxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety thereof optionally contains an oxygen atom(s);
- wherein each R2 independently represents a hydrogen atom or an organic group having 1 to 22 carbon atoms, and m represents an integer of 0 to 3;
- or
- wherein the component (A) is represented by the formula (II):
- wherein each R3 independently represents a group selected from the group consisting of
- a hydroxy hydrocarbon group in which there is at least one hydroxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon optionally contains an oxygen atom(s);
- a carboxy hydrocarbon group in which there is at least one carboxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety thereof optionally contains an oxygen atom(s);
- and
- a hydroxycarboxy hydrocarbon group in which there are at least one hydroxy group and at least one carboxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety thereof optionally contains an oxygen atom(s);
- wherein each R4 independently represents a hydrogen atom or an organic group having 1 to 22 carbon atoms, and n represents an integer of 0 to 4;
- and
- wherein X− represents an anion, and
- wherein the acid of the component (B) is selected from a group consisting of a halogen-based anion, a sulfur-based anion, a phosphorus-based anion, a cyano-based anion, a fluorine-based anion, a nitrogen oxide-based anion and a carboxylic acid-based anion, and (b) applying the composition to the mechanical moving parts.
19 more elements
A method for imparting lubricity on mechanical moving parts, comprising the steps of:
- (a) preparing a composition by compounding at least the following components:
- (A) an amine or an ammonium compound;
- and (B) an acid or a salt of the acid,
- wherein the composition contains an organic salt formed by:
- a cation originated from the component (A);
- and
- an anion originated from an anionic residue of the component (B),
- wherein the cation originated from the component (A) optionally contains a cationic residue of the component (B),
- wherein at least one of the components (A) and (B) contains a hydrogen-bonding functional group, and
- wherein the component (A) is represented by the formula (I):
- wherein each R1 independently represents a group selected from the group consisting of
- a hydroxy hydrocarbon group in which there is at least one hydroxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety optionally contains an oxygen atom(s);
- a carboxy hydrocarbon group in which there is at least one carboxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety thereof optionally contains an oxygen atom(s);
- and
- a hydroxycarboxy hydrocarbon group in which there are at least one hydroxy group and at least one carboxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety thereof optionally contains an oxygen atom(s);
- wherein each R2 independently represents a hydrogen atom or an organic group having 1 to 22 carbon atoms, and m represents an integer of 0 to 3;
- or
- wherein the component (A) is represented by the formula (II):
- wherein each R3 independently represents a group selected from the group consisting of
- a hydroxy hydrocarbon group in which there is at least one hydroxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon optionally contains an oxygen atom(s);
- a carboxy hydrocarbon group in which there is at least one carboxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety thereof optionally contains an oxygen atom(s);
- and
- a hydroxycarboxy hydrocarbon group in which there are at least one hydroxy group and at least one carboxy group, wherein a hydrocarbon moiety thereof is a linear or branched moiety having 1 to 22 carbon atoms, and the hydrocarbon moiety thereof optionally contains an oxygen atom(s);
- wherein each R4 independently represents a hydrogen atom or an organic group having 1 to 22 carbon atoms, and n represents an integer of 0 to 4;
- and
- wherein X31 represents an anion, and
- wherein the acid of the component (B) is selected from the group consisting of a halogen-based anion, a sulfur-based anion, a phosphorus-based anion, a cyano-based anion, a fluorine-based anion, a nitrogen oxide-based anion and a carboxylic acid-based anion, and (b) applying the composition to the mechanical moving parts.
24 more elements
Dependencies are inferred from the claim text.