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JP2021031503A |
To provide a viscosity index improver for use in a lubricant composition that shows the improvement of shear resistance to a viscosity index improver while keeping a high viscosity index value.A polyalkyl(meth)acrylate polymer can be pro...
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JP2021024186A |
To provide a bilayer slide member comprising a coating layer which has an extremely small difference between static friction force and kinematic friction force, and a rack pinion type steering device capable of securing smooth steering f...
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JP2021025007A |
To provide a lubricant composition that can suppress friction while ensuring wear prevention properties, even when reduced in viscosity, the lubricant composition suitably for internal combustion engines, further suitably for supercharge...
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JP2021020970A |
To provide an electroviscous fluid composition and a cylinder device, that can obtain a large ER effect while suppressing current density.The electroviscous fluid composition (8) of the present invention comprises a fluid (32) and partic...
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JP2021014578A |
To provide a viscosity index improver and a lubricant composition containing the same, wherein the viscosity index improver has a high viscosity index and good solubility in an engine oil to which an essential additive is added, and a lu...
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JP2021501245A |
Antioxidant polymer (eg, oligomer) compositions containing repeating units of the lylamine monomer of formula I are very effective antioxidants in lubricant compositions, where R is H, C.1-C18Alkyl, C2-C18Alkenyl, C2-C18Alkyne, -C (O) C1...
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JP2020193335A |
To provide a lubricant composition that exhibits good solubility in a lubricating oil and imparts friction adjusting properties to lubricating oil.A lubricating oil composition comprising at least 50 mass%, based on the mass of the compo...
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JP2020534408A |
A polyolefin dispersant and a method for producing a polyolefin dispersant are provided.
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JP2020180179A |
To provide a novel lubricant for warm or hot forging that is non-graphite-based that is excellent in terms of work environment and does not cause problems such as facility failure and increase in facility maintenance man-hours.The lubric...
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JP6767249B2 |
To provide a viscosity index improver excellent in shear stability of a lubricant composition, low in HTHS viscosity and high in viscosity index.There is provided a viscosity index improver containing a (co)polymer (A) of a monomer (a) r...
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JP6763615B2 |
To provide a lubricant suitable for mobile equipment using a human power as a power source such as a bicycle, and mobile equipment, and to particularly provide a lubricant that shows lubricity required in a low rotation range, sufficient...
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JP6748593B2 |
To provide a viscosity index improver having high viscosity-index improvement effect and being excellent in shear stability of a lubricant composition.A viscosity index improver comprises copolymer (A) that comprises monomer (a) represen...
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JP2020132698A |
To provide a viscosity index improving agent, containing a polymer having a unit derived from a macromonomer and having an excellent shear stability.A viscosity index improving agent, containing a polymer having a constitutional unit (A)...
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JP6742829B2 |
To provide a lubricant oil composition using a viscosity index improver having high viscosity index and good shear stability and containing a polymer high in fluidity near room temperature and easy to be handled when using the same as a ...
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JP2020090653A |
To provide polymers that provide friction-reducing properties to lubricants such as lubricating oil compositions thereby improving efficiency and helping to reduce wear.A polymer has the structure in the figure. (In the formula, L is a l...
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JP2020090558A |
To provide a lubricant composition which contains a specific amount or more of boron, has excellent storge stability while being reduced in viscosity, has low friction and excellent wear resistance and antioxidant properties and to provi...
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JP2020090557A |
To provide a lubricant composition which is reduced in viscosity, has excellent storage stability and low friction and further to provide a lubricant composition improved in wear resistance and scoring resistance.There is provided a lubr...
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JP6703453B2 |
To provide a viscosity index improver composition excellent in shear stability of a lubricant composition, low in HTHS viscosity of the lubricant composition, hard to increase low temperature viscosity of the lubricant composition and ea...
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JP6706191B2 |
A viscosity index improver containing, in diluent oil, one or more optionally functionalized linear block copolymers having at least one block derived from alkenyl arene covalently linked to at least one block derived from diene in an am...
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JP2020076056A |
To provide a viscosity index improver excellent in shear stability, low in HTHS viscosity and high in viscosity index, and to provide a lubricant composition containing the same.There is provided a viscosity index improver containing a (...
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JP6694769B2 |
The steel wire rod of the present disclosure includes a lubricating coating on a surface thereof, wherein the lubricating coating includes silicon (A), tungsten (B) and an alkali metal salt of fatty acid (C), a dry mass ratio of (B)/(A) ...
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JP6686091B2 |
To provide a particulate lubricity improving agent which imparts excellent lubricity, stability and oil keeping performance to a lubricant oil composition.The present invention comprises: a particulate lubricity improving agent (X) which...
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JP6682302B2 |
To provide a lubricant composition based on a viscosity index improver containing a polymer which has a high viscosity index and good shear stability and exhibits sufficient solubility in a lubricant base oil.The viscosity index improver...
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JP6676381B2 |
To provide a maleimide copolymer having a high viscosity index and excellent shear stability and showing sufficient solubility to a lubricant base oil, at a high polymer rate and in a small number of steps.A method for producing a copoly...
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JP6678113B2 |
Polymers used as rolling lubricating agents, to compositions including said polymers, and to alkali metal films including the polymers or compositions on the surface(s) thereof. The use of said polymers and compositions is also described...
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JP2020050754A |
To provide a pour-point depressant which has a high pour-point depressing action in a hydrocarbon system base oil and lubricant compositions containing the same.The pour-point depressant according to the present invention is made by poly...
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JP6642007B2 |
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JP6615646B2 |
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JP6611352B2 |
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JP2019194284A |
To provide: a viscosity index improver which comprises a polymer having a unit derived from a monomer having an aliphatic hydrocarbon group with a large number of carbon atoms, which can improve polymerization conversion of the monomer h...
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JP6599893B2 |
The present invention addresses the problem of providing an aqueous coating agent composition (in particular, an aqueous lubricating film paint composition that includes a solid lubricant) that suppresses the interaction of a curable res...
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JP6599756B2 |
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JP6582021B2 |
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JP2019151766A |
To provide the manufacturing method of the lubricant additive, that can suppress occurrence of dirt that is difficult to clean in a reaction vessel after radical polymerization when a specific macromonomer is used as a raw material.The m...
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JP2019137780A |
To provide the ashless detergent-dispersant and the lubricant composition using the ashless detergent-dispersant, wherein the ashless detergent-dispersant maintains stable dispersion performance even in a high-temperature environment, sh...
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JP6556959B2 |
FIELD: chemistry.SUBSTANCE: invention relates to a polyalkylamine composition, which is suitable for use in lubricating oils for machines, as demulsifiers for oil-in-water emulsions, a corrosion inhibitor, a fuel additive, a scaling agen...
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JP2019520456A |
The present invention relates to a lubricious member for a razor cartridge containing a metathesis-ized unsaturated polyol ester to improve lubricity.
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JP2019099808A |
To provide a polymeric additive for use in a lubricating oil composition for lubricating the crankcase of a spark-ignited or compression-ignited internal combustion engine, the polymeric additive providing friction reducing properties to...
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JP2019099814A |
To provide a polymeric additive for use in a lubricating oil composition (lubricant) for lubricating a crankcase of a spark-ignited or compression-ignited internal combustion engine.The lubricating oil composition comprises a major amoun...
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JP2019099813A |
To provide a polymeric additive for lubricating a crankcase of a spark-ignited or compression-ignited internal combustion engine, more especially a lubricating oil composition (lubricating oil) containing a specific poly(2-oxazoline).A l...
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JP6531176B2 |
A screw joint has a tubular element with a female thread and a tubular element with a male thread, wherein the male thread and the female thread have first contact surfaces that cooperate with each other, and the tubular elements optiona...
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JP6498084B2 |
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JP2019052223A |
To provide the ashless detergent dispersant and the lubricant composition using the ashless detergent dispersant, wherein the ashless detergent dispersant contains a polymer that maintains stable dispersion performance even in a high tem...
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JP6496523B2 |
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JP6494019B2 |
[Problem] In a swash plate of a swash plate type compressor, adhesion resistance of the swash plate will be greatly improved as compared with that achieved in the prior art by optimizing the average aspect ratio and the average particle ...
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JP6482472B2 |
Provided are a coating agent for wiper blade rubber that demonstrates superior friction performance and wiping performance both initially and during use for extended periods, and imparts superior durability by inhibiting wear and the lik...
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JPWO2017175653A1 |
It has excellent damping characteristics, has almost no oil separation problem even at high temperatures, has excellent lubrication performance, and when applied to noise generating parts that make up mechanical devices, it produces nois...
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JP2019019278A |
To provide the lubricant having excellent sliding durability and having less deterioration in conductivity.The lubricant used comprises: perfluoropolyether (A) having no functional group; and a fluoropolyether compound (B) that is a comp...
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JP2019014802A |
To provide the viscosity index improver and the lubricant composition using the same, wherein the viscosity index improver can secure viscosity under a high temperature and a high shear condition and can lower the viscosity at a low temp...
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JP6460536B2 |
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