序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
161 Electrically viscous fluid JP13962895 1995-06-06 JPH08333595A 1996-12-17 SUGIYAMA TATSUO; SHINOHARA MIKIYA; SHIMADA MUNEKATSU
PURPOSE: To obtain a practical electrically viscous fluid capable of giving a larger induced shear stress in the same electric field strength than that by a conventional electrically viscous fluid, capable of giving the remarkably large induced shear stress, because a larger electric field strength can be applied, and large in the change width of the viscosity. CONSTITUTION: This electrically viscous fluid comprises an electrically insulating medium and polarizable fine particles dispersed in the medium as dispersed particles. Therein, the polarizable fine particles are γ-alumina particles wherein the γ-alumina particles having particle diameters of <=3μm are contained in an amount of <=7wt.%, and wherein 0.1-6.0wt.% of water is adhered to the surfaces of the γ-alumina particles.
162 New glucamine derivative JP33590495 1995-11-30 JPH08225500A 1996-09-03 WIRTH HERMANN O; FRIEDRICH HANS-HELMUT
PROBLEM TO BE SOLVED: To obtain a new compound useful as an additive for a lubricant and capable of imparting excellent extreme pressure characteristics and antiwear characteristics to the lubricant. SOLUTION: This compound is represented by formula I [(n) is 4; X is S, O or CH 2; R 1 is a 1-22C alkyl; R 2 is H, a 1-8C alkyl or CH 2-CH(OH)-CH 2-X-R 1]. The compound represented by formula I is obtained by reacting a glucamine represented by formula II (Z is H, a 1-8C alkyl or the like) with a glycidyl compound represented by formula III. The additive represented by formula I is particularly suitable for use in non-automatics and, first and foremost, in automatic transmissions of automobiles. Furthermore, they are most effective in motor oils, diesel engine oils or turbine oils. COPYRIGHT: (C)1996,JPO
163 Method for producing lubricating base oils JP21568692 1992-07-22 JP2521873B2 1996-08-07 ARIMA YOSHIO; MATSUNAGA MITSUFUMI
164 Electroviscous fluid composition JP14094694 1994-05-31 JPH07331275A 1995-12-19 SHIHO KOUJI; FUTAMI SATOSHI; KASAI KIYOSHI
PURPOSE:To obtain the subject electroviscous fluid composition having a high electroviscous effect, excellent in storage stability, heat resistance, durability and scuffing resistance, exhibiting a stable current value and low in consumption of electric power by dispersing a specified nonhydraus composite particle in an electroviscous insulating medium. CONSTITUTION:In this electroviscous fluid composition, (A) a nonhydraus composite particle (preferably having 1 to 50mum average particle size) prepared by coating an organic polymer compound particle (e.g. sulfonated cross-linked divinylbenzene polymer particle) having amino groups and/or oxygen-containing functional groups (preferably sulfonic acid group, hydroxyl group, etc.) on the surface with a semiconductor and/or an insulating material is contained in (B) an electric insulating medium (e.g. diphenyl chloride) and the content of the component (A) is preferably 10 to 60wt.%. In addition, preparation of the component (A) is carried out recommendably, e.g. by producing the polymer particle according to, e.g. a method for polymerization of a functional group- containing monomer and subsequently forming a coating layer composed of a semiconductor and/or an insulating material such as titanium oxide, copper oxide or In2O-SnO on the particle surface according to the hydrolysis method.
165 Useful hydrocarbyl-substituted c ▲ 4 under as additives in oil quality composition ▼ ~c ▲ under 10 ▼ dicarboxylic acid, anhydride or ester Substance JP16220586 1986-07-11 JPH07116458B2 1995-12-13 ジエイコブ・エマート; マルコム・ウオドウープス; ロバート・デイーン・ランドバーグ
Hydrocarbyl substituted C4 to C10 monounsaturated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C2 to C10 monoolefin, preferably polyisobutylene, havirg a molecular weight of about 1500 to 5,000, preferably with a C4 to C10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are 1.05 to 1.25 dicarboxylic acid producing moieties per molecule of said olefin polymer used in the reaction mixture. The resulting materials are useful per se as oil additives, or may be further reacted with amines, alcohols, amino alcohols, boric acid, etc. to form dispersants.
166 Detergent composition JP201995 1995-01-10 JPH07258676A 1995-10-09 SUTEIIBUN JIEEMUZU KUTSUKU; SHIYOON PATORITSUKU OKOONAA; JIYON KUROFUOODO
PURPOSE: To provide a detergent compsn. which can enhance the capability of cleaning pistons within internal combustion engines by including a specified alkaline earth metal hydrocarbyl phenate. CONSTITUTION: This detergent compsn. comprises: (A) an additive concentrate comprising (i) a lubricating oil and (ii) a lubricating oil soluble (non) sulphurized alkaline earth metal hydrocarbyl phenate modified by a reaction to incorporate, in an amt. of 2 to 40 (wt)% based on the wt. of the concentrate (component A), either (a) at least one carboxylic acid represented by the formula (wherein R represents a 10-24C alkyl or alkenyl; and R 1 represents H, a 1-4C alkyl, -CH 2-COOH or an anhydride or ester thereof) or (b) a 36-100C di- or polycarboxylic acid or an anhydride or ester thereof, the concentrate pref. having a BN greater than 300 and a viscosity at 100°C of less than 1,000 cSt,; and (B) an additive concentrate comprising the component i and the phenate which has not been modified or has been modified by a reaction to incorporate, in an amt. of less than 0.1% based on the wt. of the concentrate (component B), the component ii (component a or b), the additive concentrate pref. having a BN of less than 300. COPYRIGHT: (C)1995,JPO
167 Thermoplastic sliding material JP10366091 1991-02-18 JPH0778230B2 1995-08-23 DEKI HIROSHI; YAMAZAKI ISAO; NISHIO KYOSHI
168 Manufacturing method of the sliding plate for a solid lubricant JP18262890 1990-07-12 JPH0742474B2 1995-05-10 巖 畔津; 常喜 畔津; 秀明 畔津
169 Electroviscous fluid JP21457693 1993-08-30 JPH0762374A 1995-03-07 KATO MITSUAKI; YAMAMOTO YASUNOBU
PURPOSE:To increase electroviscous effects by dispersing, in an electrically insulating oily medium, a powder obtd. by baking a ligninsulfonate. CONSTITUTION:A cation of sulfonate group of a ligninsulfonate is not specifically limited. Pref. electrically insulating oily media are a silicone oil, a mineral oil, and a halogenated arom. oil, though not specifically limited. The baking temp. is pref. 465 deg.C or lower. For example, an electroviscous fluid is produced by baking sodium ligninsulfonate on the market at 400 deg.C for 4hr in air, grinding it with a ball mill, taking out particles with outer sizes of 63mum or lower only, drying the particles in a vacuum at 200 deg.C for 5hr, mixing the resulting baked sodium ligninsulfonate particles into a silicone oil in a wt. ratio of the particles to the oil of 40:60, and dispersing the particles homogeneously with a ball mill.
170 Polyimide resin composition for sliding material JP2799393 1993-02-17 JPH06240273A 1994-08-30 NIWA HIROSHI; SHIMOKUSUZONO TAKUMI
PURPOSE:To obtain a polyimide resin composition which can give a sliding material excelling in heat resistance, sliding properties and abrasion resistance and having an easily controllable dimensional accuracy by adding a plurality of specified resins to a resin composition comprising a specified polyimide resin and specified graphite. CONSTITUTION:The composition is prepared by adding 10-50 pts.wt. polyetherketone resin of formula II and 5-20 pts.wt. tetrafluoroethylene resin to 100 pts.wt. resin composition comprising 50-90wt.% thermoplastic polyimide resin of formula I (wherein X is a direct bond, a 1-10 C hydrocarbon group, hexafluorinated isopropylidene, carbonyl, thio or sulfone; and R1 to R4 are each H, lower alkyl, lower alkoxyl, Cl or Br; and Y is a tetravalent group selected from among a 2 C or higher aliphatic group, a cycloaliphatic group, a monocyclic group, a condensed polycyclic group and a noncondensed polycyclic aromatic group composed of aromatic groups bonded to each other directly or through bridging members) and 50-10wt.% graphite of a fixed carbon content of 50-90wt.% obtained by graphitizing a non-phenolic resin starting material (e.g. pitch).
171 Composition for hydraulic oil-lubricant-fluid coupler JP33502892 1992-11-20 JPH0641566A 1994-02-15 UMEMOTO NOBORU; OOENOKI HITOSHI; KURIBAYASHI TOSHIAKI; KATO TOMOHIRO
PURPOSE:To provide the stable composition used for hydraulic oil.lubricant.fluid couplers and substantially not increased in its viscosity even when continuously used at a high temperatures. CONSTITUTION:The object can be achieved with the composition produced by subjecting an organopolysiloxane to an epoxy-modification treatment or adding an epoxy group-containing compound to the organopolysiloxane. The composition is preferably further mixed with an anti-oxidizing agent for the further improvement in the stability.
172 Production of lubrication base oil JP21568692 1992-07-22 JPH0641548A 1994-02-15 ARIMA YOSHIO; MATSUNAGA MITSUFUMI
PURPOSE:To carry out the production of a hydro-refined general-purpose lubrication base oil and a lubrication base oil having a high viscosity index in single reactor in contrast with conventional process to use separate reactors containing different catalysts and to produce the lubrication base oils without causing the lowering of the catalytic activity over a long period. CONSTITUTION:A general-purpose lubrication base oil and a lubrication base oil having a high viscosity index are produced in single reactor by using a catalyst obtained by selecting at least one kind of metal component from the group VIA and group VIII elements of the 4th period of the periodic table as an essential component and supporting the component on a refractory oxide carrier, especially a catalyst obtained by supporting molybdenum, nickel and phosphorus on alumina carrier and alternately carrying out the hydro-refining of a production intermediate for sulfur-containing lubrication base oil and the isomerization of a wax.
173 Removal of halogenated aromatic compound from hydrocarbon oil JP18856492 1992-06-05 JPH0625691A 1994-02-01 KITAMURA SHUJI; YANO TSUNEO; TANIMOTO FUMIO
PURPOSE:To make a hydrocarbon oil containing a small amount of halogenated aromatic compounds safely handleable by removing the halogen compounds therefrom. CONSTITUTION:A hydrocarbon oil mainly consisting of nonaromatic hydrocarbon oil and containing a small amount of halogenated aromatic compounds is brought into contact with a heat-resistant alkaline polar solvent at 100-300 deg.C in the presence of an alkaline substance to remove the halogenated aromatic compounds from the hydrocarbon oil.
174 Composite solid lubricant JP6000591 1991-03-25 JPH05271675A 1993-10-19 Akihiko Matsui; 昭彦 松井
PURPOSE: To improve the lubricating characteristics in a vacuum and adhesive properties of a composite solid lubricant by forming a mixing layer by ion implantation at the interface of a parent material and an MoS 2 film. CONSTITUTION: On the surface of a parent material or on the surface of a thin ceramic film formed on the parent material is formed an MoS 2 film in a thickness less than the depth allowing ion implantation. The implantation is conducted from the side of the MoS 2 film to form a 0.2-0.3μm-thick mixing layer at the interface of the MoS 2 film and the parent material. If necessary, on the outer surface of the MoS 2 film is formed another MoS 2 film. COPYRIGHT: (C)1993,JPO&Japio
175 Slidable resin composition JP4016092 1992-01-30 JPH05209130A 1993-08-20 NAKANISHI TETSUO; ISOBE KENICHI
PURPOSE:To obtain a slidable resin composition capable of providing molded articles of resin having excellent sliding properties free from clouding and pollution and of supplying molded articles of resin having excellent sliding properties even in the case of using a crystalline resin. CONSTITUTION:50-99.9 pts.wt. synthetic resin is blended with 0.1-50 pts.wt. higher fatty acid amide-modified polysiloxane to give a slidable resin composition.
176 Electrically viscous liquid JP33430391 1991-11-22 JPH05140580A 1993-06-08 NAKAMURA TAKASHI; KOBAYASHI AKIHIKO
PURPOSE:To provide a thermally stable electrically viscous liquid giving a large electrically viscous effect and a good dispersing property by dispersing fine particles comprising a mixture of a specific polymeric electrolyte and a polyether in an electrically insulating viscous liquid. CONSTITUTION:(A) Fine particles comprising a mixture of (i) a polymeric electrolyte preferably produced by neutralizing a carboxy aryl group-containing organopolysiloxane of formula I (R<1> is alkyl; R<2> is alkylene; Q is group of formula II, etc.) with a base containing a monovalent or divalent metal and (ii) a polyether are dispersed in (B) an electrically insulating liquid preferably such as a diorganopolysiloxane oil to provide the objective liquid causing no abrasion with peripheral apparatuses.
177 Semisolid-like aqueous lubricant JP32231791 1991-11-12 JPH05132690A 1993-05-28 OSANAI TOSHIHIKO; OOTA YOSHITOMO
PURPOSE:To obtain a semisolid-like lubricant consisting of a specific amount of water, an alkylene oxide derivative, silicon dioxide and a surfactant, useful for lubricating portion of plain bearing, antifriction bearirng, etc., mainly used in water, and having extreme-pressure resistant property and abrasion resistance. CONSTITUTION:The objective lubricant consists of (A) 100 pts.wt. water, (B) 20-60 pts.wt. alkylene oxide derivative, preferably alkylene glycol, having 10-1500cSt dynamic viscosity at 40 deg.C (C) 5-20 pts.wt. silicon dioxide or surface- treated silicon dioxide and (D) 0.5-5 pts.wt. surfactant, preferably nonionic surfactant.
178 Lubricating oil for continuously casting cu and sn-containing steel JP27235991 1991-10-21 JPH05111739A 1993-05-07 TOKUMITSU NAOKI
PURPOSE:To produce a bar steel having excellent surface characteristic from molten steel having high Cu and Sn contents by adding the specific grain size of Ni powder to rapeseed oil at the specific quantity. CONSTITUTION:The Ni powder regulated to <=100mum average grain size is stirred and suspended into the rapeseed oil with 3-30wt.% The Ni powder added to the rapeseed oil for continuously casting the billet for bar steel flows together with the oil, and Ni is alloyed on the surface layer of the billet. In order to improve the suspendibility of the Ni powder, coupling treatment is beforehand executed to the Ni powder with chromic acid or vinylsilane.
179 Electroviscous fluid JP1457491 1991-02-05 JPH04253795A 1992-09-09 YOSHIMURA RYOICHI; TOYAMA JIRO; AKATSUKA TAKATOSHI
PURPOSE:To provide an electroviscous fluid for transmitting a torque between two conductive members by a placing the fluid between the members with a large ratio of shear stress to current density and a small consumption of electric power. CONSTITUTION:An electroviscous fluid wherein a chemically modified chitin is dispersed in an electrical insulation liq.
180 JPH04503371A - JP50403990 1990-02-20 JPH04503371A 1992-06-18
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