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JP02101616 |
PURPOSE: To lower coefft. of friction by providing a protective carbon film by sputtering on a carbon material having ≤2.0g/cm3 density as a target. CONSTITUTION: The carbon material having ≤2.0g/cm3 density is used as the target for...
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JP02084492 |
PURPOSE: To obtain the subject composition, capable of preventing heat transfer from materials to be rolled to working rolls and having effects on reduction in thermal crown of the working rolls by blending a base oil with an inorganic c...
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JP02084494 |
PURPOSE: To obtain the subject dense additive having high TBN and effective as a fuel additive by containing alkali earth metal hydrocarbyl-substituted phenate (sulfide derivative). CONSTITUTION: (A) (Alkali earth metal) hydrocarbyl-subs...
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JP02059040 |
PURPOSE: To prepare a microcapsuled org. acid having hydrophilicity as a core by dissolving or dispersing an org. acid or phosphoric ester in a hydrophobic substance liquid at ambient temp. to use the same as a core substance. CONSTITUTI...
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JP02056725 |
PURPOSE: To obtain a good CSS characteristic by subjecting a lubricating layer to a heating treatment at the temp. below the decomposition temp. of a lubricating agent so that the surface of the lubricating layer after the treatment has ...
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JP02040331 |
PURPOSE: To obtain a lubricating oil with increased viscosity, etc., by a method in which a hydrocarbon from a top oil to a heaviest lubricating base oil or hydrocarbon having a functional group, etc., are brought into contact with a hyd...
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JP02038495 |
PURPOSE: To provide a condensate with normal or low base to improve the performance by reacting specified three kinds of compounds, a calcium base and a lubricating oil. CONSTITUTION: (A) A compound selected from hydrocarbyl-substituted ...
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JP02037521 |
PURPOSE: To improve lubricity and wear resistance by forming coupling agent layers between protective carbon films formed on the surfaces of magnetic recording layers formed on a substrate and lubricating agents applied on the extreme su...
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JP02034690 |
PURPOSE: To increase the total number of base while holding an allowable viscosity by reacting specified seven kinds of components under high temperature. CONSTITUTION: (A) Two or more selected from (non)-hydrocarbyl sulfide- substituted...
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JP02019342 |
PURPOSE: To advantageously obtain the subject compd. by reacting specific fatty acid ester and an isopropylidene derivative of polyglycerine in an alkaline medium under a specific condition and subjecting the reaction product to post- tr...
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JP02009435 |
PURPOSE: To produce the polyadduct dispersant being a new group by allowing a specified polyolefin to react with a polyamine, an α,β-unsatd. compd. of a specified formula and a 5-9C lactone material. CONSTITUTION: The polyolefin substd...
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JP01290577 |
PURPOSE: To reduce the friction coefficient of a ceramic and to improve its wear resistance by supplying an aq. soln. of water-soluble silanes having an alkoxy group kept at a specified concn. onto the friction surface of the ceramic for...
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JP01253110 |
PURPOSE: To sharply increase the dispersion liquid viscosity fluctuation due to the external electric field and increase the viscosity change for the change of the electric field strength by dispersing dispersion grains surface-processed...
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JP01228536 |
PURPOSE: To increase dispersion stability of fine ferrite particles by adding a specified succinimide to a suspension of fine surfactant-adsorbed ferrite particles dispersed in a low boiling hydrocarbon and by treating it at 70°C or hig...
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JP01215890 |
PURPOSE: To facilitate the prevention of deterioration of a lubricating oil, by applying far-infrared radiation to the oil. CONSTITUTION: 55W70wt.% (hereinafter simply '%') SiO2, 10W20% Al2O3, 3W10% Fe2O3, and 1W20% TiO2+MnO+CaO=MgO are ...
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JP01207131 |
PURPOSE: To efficiently produce a magnetic fluid comprising fine ferrite particles dispersed safely in a base oil of low vapor pressure by adding fine ferrite particles and a dispersant to a base oil having low vapor pressure, and distil...
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JP01191771 |
PURPOSE: To form a film for lubrication having excellent low friction and excellent wear resistance by impregnating a molybdenum sulfide having a laminar structure into a hard film. CONSTITUTION: The hard film 2 consisting of ceramics is...
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JP01184908 |
PURPOSE: To make it possible to easily form a magnetic fluid having excellent dispersibility without specially adding other substance by a method wherein a poor dispersion magnetic fluid obtained by mixing interfacial activator- attracte...
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JP01172495 |
PURPOSE: To obtain at low cost the title additive which has excellent solubility in a lubricating oil, heat stability, cleaning capability, and abrasion resistance, by using a mixture of a specified oil-soluble alkaline earth metal salt ...
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JP01163136 |
PURPOSE: To profitably produce the lubricating oil by oligomerizing olefins in the presence of BF-cocatalyst chelate, separating the catalyst by distillation, recycling the separated catalyst in reaction, and reducing cost. CONSTITUTION:...
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JP01161089 |
PURPOSE: To advantageously prepare a refrigerator oil having excellent low- temp. characteristics, by hydrotreating a deasphalted oil derived from a paraffin base crude oil or a mixed base crude oil, dewaxing the deasphalted oil, conduct...
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JP01161090 |
PURPOSE: To advantageously prepare an insulating oil having excellent low-temp. characteristics, by hydrotreating a deasphalted oil derived from a paraffin base crude oil or a mixed base crude oil, dewaxing the deasphalted oil, conductin...
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JP01157946 |
PURPOSE: To obtain the title compound useful as an additive for various lubricant oil such as cleaning and dispersing agent, a rust-preventing, etc., by using a mixture of an alkylbenzene and a mineral oil having a specific property or a...
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JP01109605 |
PURPOSE: To obtain a composition with a pour point less than -45°C stably by mixing a specific amount of necessary copolymer to the base oil of an electric insulating oil with a specific pour point. CONSTITUTION: By mixing 0.03 to 0.4wt...
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JP01108299 |
PURPOSE: To obtain a stabilized lubricant which is adequate for metal-processing fluid, etc. and is coated with rigid silica films on the surfaces of oil drops by preparing an oil-in-water emulsion of an oily lubricating material in the ...
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JP01108300 |
PURPOSE: To purify a water-absorptive lubricating oil through simple and efficient removal of impurities such as water, by bringing a water-absorptive lubricating oil contg. impurities, such as water, into contact with zeolite having a p...
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JP01107502 |
PURPOSE: To eliminate contamination or the like of magnetic fluid with pulverizing medium, to relatively uniformize ferromagnetic oxide particles, and to obtain the fluid which can be uniformly dispersed in a solvent by pulverizing it wi...
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JP01104696 |
PURPOSE: To profitably produce a reclaimed oil having a high purification degree, by homogeneously dispersing MgO powder in the waste oil of a mold lubricating oil and subsequently subjecting to centrifugal separation treatment to remove...
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JP01104697 |
PURPOSE: To economically produce a reclaimed oil having a high purification degree, by homogeneously dispersing a mixture of diatomaceous earth and active China clay in the waste oil of a mold lubricating oil and subsequently subjecting ...
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JP01103681 |
PURPOSE: To obtain the title film which gives a magnetic recording medium having excellent frictional characteristics, durability, etc., by immersing a substrate in an aqueous phase, adding a specified compound therein to produce a monom...
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JP01089401 |
PURPOSE: To bond a macromolecular chain chemically on the surface of magnetic powder, by treating the magnetic powder with a diisocyanate compound, thereafter treating the powder with an azo compound having a carboxyl group, and treating...
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JP01085246 |
PURPOSE: To obtain an oil-soluble additive by grafting an ethylene copolymer with an ethylenically-unsaturated carboxylic acid component and thereafter by allowing to react a hydracarbyl substituted dicarboxylic acid anhydride of an effe...
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JP01079916 |
PURPOSE: To prevent the generation of the deposits on a head and to enhance traveling durability by cleaning the surface of a protective layer, then providing a lubricating layer thereon to impregnate an org. lubricating agent to the int...
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JP01079935 |
PURPOSE: To prevent the generation of deposits to a head and to improve traveling durability by cleaning the surface of a protective layer, then providing a lubricating layer contg. an org. lubricant thereon. CONSTITUTION: The surface of...
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JP01076526 |
PURPOSE: To leach a lubricating agent each slightly atop a magnetic recording layer so that long-term wear resistance is obtd. by impregnating the lubricating agent into many pieces of fine gaps continuous with the surface provided in th...
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JP01074296 |
PURPOSE: To prepare the title fluid which has low viscosity and excellent traction performance over a wide temp. range, and which comprises a particular dicyclohexylakane compd. CONSTITUTION: An arom. compd. having one benzene ring (e.g....
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JP01073530 |
PURPOSE: To enable degreasing to a thin film thickness range by coating a lubricating agent on a magnetic disk medium, then subjecting the surface to cleaning by a soln. consisting of C6F14, C8F16O. CONSTITUTION: The lubricating agent co...
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JP01070536 |
PURPOSE: To provide a long stable coating of a lubricant to lubricate a polymeric surface by treating the polymeric surface with plasma and coating the treated surface with a specific polysiloxane lubricant. CONSTITUTION: The surface of ...
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JP01065104 |
PURPOSE: To obtain a dispersant useful in a fuel and a lubricating oil composition by reacting a lactone, an amine, an aldehyde and a specified hydrocarbyl substituted hydroxy aromatic compound. CONSTITUTION: This dispersant is a poly (5...
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JP01061442 |
PURPOSE: To obtain a basic salt as a stable and clear soln. free from the generation of turbidity by blending oil-soluble alkyl salicylic acid with long chain hydrocarbon substituted succinic acids having a specified average molecular we...
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JP01056790 |
PURPOSE: To prepare a stable oleaginous composition improved in cloud resistance, by thermally treating a mixture of a non-ash dispersing agent comprising lubricating oil, oil-soluble salts of long chain hydrocarbon-substituted carboxyli...
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JP01055729 |
PURPOSE: To provide sufficient durability to the titled medium without staining a magnetic head and traveling members by providing a thin ferromagnetic metallic film on a nonmagnetic base, then treating the surface with a specific solven...
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JP01055734 |
PURPOSE: To impart superior lubricity to a recording surface by forming a monomolecular layer of an org. lubricant on the recording surface through a prescribed process. CONSTITUTION: A group 30 of eight disks 31 heaped in a vertical dir...
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JP01053307 |
PURPOSE: To easily obtain a magnetic head or a magnetic medium with a low coefficient of friction, by applying a fluorine gas processing on a resin sliding player. CONSTITUTION: In case of providing a resin protecting layer to protect th...
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JP01051495 |
PURPOSE: To prepare a sulfur-base extreme-pressure additive free from odor and having an excellent extreme-pressure effect at a low cost without use of any special reaction device, by adding activated carbon, amine, and water to a sulfur...
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JP01048223 |
PURPOSE: To lower the coefft. of friction between a memory medium and head and to enhance the mechanical reliability of the memory medium by pulling up a substrate surface on which a thin carbonaceous film is formed at an equal speed whi...
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JP01045498 |
PURPOSE: To obtain high index lubricating oil by polymerizing a lower olefin feedstock under a specific condition using a zeolite catalyst in the presence of a small quantity of water. CONSTITUTION: More than one kind of a lower olefin f...
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JP01040596 |
PURPOSE: To provide the titled energy-saving grease composition effective in remarkably reducing viscosity resistance in a bearing and being readily produced, by adding a thickening agent comprising the calcium soap of a fatty acid and a...
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JP01036694 |
PURPOSE: To obtain secondary refined oil in the form of lubricant by hydrogenizing used oil in a liquid phase in a specific condition after separating coarse solids from it and then by separating the reaction products, wile avoiding the ...
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JP01033197 |
PURPOSE: To produce an olefin polysulfide composition having high sulfur content and very low chlorine content which is useful as an additive for extreme pressure lubricants by removing mono-alcohol from a mixture of an addition product ...
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