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JPH09291296A |
To obtain a high-purity lubricant suitable for producing a magnetic recording medium excellent in traveling properties, wear resistance and durability, by esterifying a terminal carboxyl perfluoropolyether synthetic substance, extracting...
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JP2662777B2 |
A magnetic recording medium comprising a substrate and a ferromagnetic metal layer, wherein the ferromagnetic metal layer has a skin layer consisting of an amorphous cobalt compound, X-ray photoelectron spectra of which is characterized ...
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JPH09235583A |
To obtain a lubricating film low in a frictional coefficient, long in an useful life before the increase in the frictional coefficient and excellent in a lubricating performance and a durable performance. This lubricating film is obtaine...
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JPH09194864A |
To produce a synthetic lubricant by a process for forming olefin oligomers in high yields. An 8-16 C α-olefin monomer is oligomerized in the presence of a boron trifluoride catalyst and a linear alcohol promoter to produce a material fo...
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JP2625488B2 |
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JPH09161265A |
To obtain a magnetic recording medium having stable travelling property by depositing a fluorine-based lubricant on a metal thin film layer and passing a nonmagnetic base body in a liquid which can dissolve the fluorine- based lubricant....
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JPH09157674A |
To produce a lubricant effective for imparting a magnetic recording medium with excellent transport durability in high purity without using a fluorine-based solvent by esterifying a perfluoropolyether having terminal OH, extracting the p...
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JP2617336B2 |
A description is given of polysulphurised olefin compositions with a high sulphur content and a very low chlorine content, which are obtained by a process in which: (1) sulphur mono- and/or dichloride is reacted with at least one C2-C12 ...
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JPH09137180A |
To obtain an automatic transmission fluid compsn. which has a high static friction coefficient and an excellent durability while retaining a low dynamic friction coefficient ratio by compounding a lube base oil with a sulfurized alkaline...
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JPH09106543A |
To obtain a metallic thin film type magnetic recording medium having high output and high reliability by introducing fluorine and long chain alkyl groups into each molecule of a lubricant and carrying out coating with a lubricant soln. a...
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JP2596032B2 |
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JP2594012B2 |
PURPOSE: To enhance the stability against hydrolysis by allowing to contain an inactive and liquid organic diluent, a metal salt of a specific acid, group-2 metal sulfide phenate and triazole. CONSTITUTION: (A) metal salts of the mixture...
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JP2591810B2 |
A system for the substantial removal of polynuclear aromatic compounds from lubricating oil used to lubricate the engine of a motor vehicle comprising a sorbent located within the lubricating system and through which the lubricating oil ...
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JPH0968774A |
To increase production efficiency by treating a base by such a method of removing lubricants from only the one flank of this base. All of the lubricants which impart a friction coefft. below 0.5 to both flanks of the base are removed fro...
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JPH0931482A |
To provide a bearing packed with a solid lubricant, capable of stabilizing the revolution torque of a bearing surely and low even under a very low- temperature condition, having fixed hardness capable of widely dealing with the type and ...
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JP2577399B2 |
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JPH08337789A |
PURPOSE: To easily obtain the subject composition capable of realizing significant viscosity change by electric field application, excellent in dispersion stability and fluidity under no electric field application, useful for clutches et...
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JP2564137B2 |
Process for the preparation of a basic alkaline earth metal salt of an organic carboxylic acid, which comprises (a) preparing a mixture in a hydrocarbon solvent of one equivalent of the organic carboxylic acid and at least one equivalent...
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JP2565344B2 |
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JP2563945B2 |
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JPH08325590A |
PURPOSE: To provide a method for simply producing a powdery material used for an electrically viscous fluid and having an uniform particle diameter and an uniform electric conductivity at a low cost. CONSTITUTION: A method for producing ...
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JPH08309793A |
PURPOSE: To stably mold an oil-containing polymer molding material into a product shape to produce an oil-containing polymer molded product with high productivity. CONSTITUTION: When an oil-containing polymer molding material 1 is sent f...
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JP2556013B2 |
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JP2552125B2 |
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JP2549516B2 |
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JPH08259987A |
To treat various org. compds. to reduce their chlorine levels. The method for reducing the chlorine content of an org. chlorine compd. comprises a step of mixing the org. compd. with at least one acid selected from among a Lewis acid hav...
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JPH08257619A |
PURPOSE: To improve the utilizing efficiency of palm oil and to reduce the consumption unit of rolling oil. CONSTITUTION: Fatty acid, in a fatty acid tank 3, which is produced in a regenerating process of the palm oil is mixed with new p...
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JP2539479B2 |
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JPH08231942A |
PURPOSE: To obtain a uniform and excellent solidifying agent useful for various organic liquids by addition of a small amount, having excellent stability to long-term preservation and change in temperature, comprising a prescribed dialky...
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JP2531588B2 |
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JPH08225791A |
PURPOSE: To obtain the subject member capable of manifesting goof lubricity, water repellency and corrosion resistance by firm application thereof onto a carbon member with good orienting properties by irradiating the surface of the carb...
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JP2527800B2 |
A method for producing a dispersion of polytetrafluoroethylene in lubricating oil or a lubricating oil additive. A non-ionic wetting agent is mixed with a dispersion of polytetrafluoroethylene in oil, and the resulting mixture is subject...
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JPH08209172A |
To obtain an additive and a compsn. both useful as a lubricant and a functional fluid and both having good extreme-pressure characteristics and abrasion resistance. The compsn. contains the following: an oil having a lubricating viscosit...
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JP2520339B2 |
The improved friction facing has a porous, resilient fused metallic matrix with a second metal having a lower boiling point being infused into and alloyed with the matrix.
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JP2514024B2 |
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JP2509263B2 |
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JPH08505171A |
Hydrocarbon lubricants having a high viscosity index (V.I.) and low pour point are produced by hydroisomerizing, over zeolite beta, a waxy lube feed such as a waxy vacuum gas oil whose aromatic components are removed by extraction, e.g. ...
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JPH0826338B2 |
PURPOSE:To provide a self-lubricating composite material which is low in friction coefficient and specific wear rate at high temperatures in vacuo and is excellent in mechanical properties, thermal resistance and corrosion resistance, an...
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JPH0826339B2 |
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JPH0822965B2 |
A silicone crumb in a fine particulate form has an extrusion rate of at least 50 grams per minute through an orifice of 0.5 inch diameter under a pressure of 345 kilopascals and compression points of less than 1035 kilopascals. This crum...
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JPH0813980B2 |
Disclosed is a lubricating composition for hot-rolling steel, which comprises a base oil or base grease and a heat-insulating agent. Especially, (A) an inorganic compound which is melted by an absorption of heat at a temperature lower th...
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JPH088013B2 |
The present invention relates to a method for refining an electrical insulating oil by refining a heavy by-product oil obtained in the preparation of ethylbenzene or ethyltoluene. The method comprises distilling off the lighter component...
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JPH0812988A |
PURPOSE: To enable a soln. of a (substd.) mercaptobenzothiazole amine salt to be stored at room temp. by dissolving the salt in a specific solvent and mixing the resultant soln. with a lubricating oil. CONSTITUTION: A mercaptobenzothiazo...
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JPH07116459B2 |
Calcium superbase soaps consist essentially of calcium dissolved in at least one oil in the form of carbonate and of salts of acids, the said acids consisting of a mixture or otherwise of saturated organic carboxylic acids containing fro...
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JPH07114016B2 |
A magnetic recording medium comprises a non-magnetic substrate (21), a magnetic recording layer (22) formed on the non-magnetic substrate (21), and a lubricant layer (23) containing carbon as a major component and formed on the magnetic ...
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JPH07105034B2 |
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JPH0798799B2 |
N-methyl pyrrolidone solvent used to extract aromatic components from lubricating oil distillates is purified by contacting the solvent with activated alumina.
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JPH07272257A |
PURPOSE: To stabilize CSS durability by treating the surface of a protective layer by irradiation with actinic rays before a lubricant layer is formed. CONSTITUTION: An underlayer 2 is formed on a nonmagnetic base 1 consisting of a nonma...
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JPH07268376A |
PURPOSE: To a obtain a lubricant composition suitably moldable without scattering or sagging from a lubricating site by preparing the first liquid containing a specific resin mixed with a grease and the second liquid containing the greas...
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JPH0791553B2 |
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