Abstract: An object of the present invention is to provide a molding material for bearing that is excellent in moldability, that does not cause the problem of SOx generation, that has high slidability and excellent abrasion resistance, and that provides a bearing having chemical resistance and heat resistance that are equal to or higher than those of a bearing formed with polyphenylene sulfide; a bearing produced with the molding material for bearing and used for a pump; and a submersible pump including the bearing. A molding material for bearing according to the present invention includes, as main components, a polymer that does not contain sulfur in a main chain and has a storage elastic modulus of 1×106 Pa or more at 260° C. and a solid lubricant wherein a molded product obtained by molding the molding material has a coefficient of dynamic friction of 0.05 or less against stainless steel in a 50% aqueous solution of ethylene glycol at 30° C.

Abstract: A perfluoropolyether oil composition, which comprises a perfluoro-polyether base oil, preferably a thickener-containing perfluoropolyether base oil, and a fluorine-containing di- or mono-amide-based compound having a perfluoropolyether group, where 0.01 to 50% by weight of the amide-based compound, based on total weight of the base oil and the amide-based compound, is contained when the perfluoropolyether oil composition is used as a lubricating oil composition, particularly grease, and 0.01 to 90% by weight thereof is contained, when the perfluoropolyether oil composition is used as an electrode-coating agent for a cell. The perfluoropolyether oil composition shows a metal surface protective action against corrosive gases such as sulfide gases, etc. without deteriorating the abrasion resistance, and also shows a distinguished high temperature durability even in the presence of graphite or molybdenum disulfide.

Abstract: A PTFE-based composite material includes a PTFE major phase filled with a metal oxide minor phase. The major phase is intermixed with the metal oxide minor phase, wherein the minor phase includes a plurality of irregularly shaped metal oxide nanoparticles. The irregularly shaped nanoparticles provide substantial reductions in steady state wear rate over otherwise similar nanocomposites. The metal oxide can comprise aluminum oxide.

Abstract: A polyelectrolyte film is provided, the polyelectrolyte film comprises an interpenetrating network of a net positively charged polymer and a net negatively charged polymer, wherein the net positively charged polymer, the net negatively charged polymer, or both contain polymer repeat units with at least two fluorine atoms.

Abstract: This invention relates to cleaning compositions comprising unsaturated fluorinated hydrocarbons. The invention further relates to use of said cleaning compositions in methods to clean, degrease, deflux, dewater, and deposit fluorolubricant. The invention further relates to novel unsaturated fluorinated hydrocarbons and their use as cleaning compositions and in the methods listed above.

Abstract: A lubricant molded body, which is to be applied to a surface of a photosensitive layer for electrophotography in an image forming apparatus, for example, is composed of at least two kinds of higher fatty acid metallic salts having respectively different carbon numbers. As the higher fatty acid metallic salt that forms lubricant molded body, compounds such as zinc stearate, calcium stearate, barium stearate, aluminum stearate, zinc laurate, calcium laurate, etc. may be recited. The higher fatty acid metallic salts may contain at least one kind of fillers selected from the group consisting of silica, alumina, tungsten disulfide, molybdenum disulfide, graphite fluoride, graphite, boron nitride, polytetrafluoroethylene (PTFE), ethylene tetrafluoroethylene (ETFE), and polyvinylidene fluoride (PVDF).

Abstract: The invention describes a component unit comprising at least one component (3), in particular a molded component (4), made from a powder or powder mixture containing metallic and optionally non-metallic components produced by compressing this powder or powder mixture, followed by sintering. At least one surface portion (12) of the component (3) which co-operates with another surface portion (13) of another component (14, 22) when pressure force acting between the two surface portions (12, 13) is applied is coated with an anti-friction varnish (2). The invention further relates to a method of producing such a component (3, 14, 22) with the anti-friction varnish (2).

Abstract: A tubular threaded element including a dry protective coating. The coating includes a solid matrix adhering to the substrate in which are dispersed particles of solid lubricants from at least two classes that are selected to exert a synergistic effect between themselves and with the constituents of the matrix, i.e. coating provides protection against corrosion and against galling of the threadings of threaded elements used in hydrocarbon wells.

Abstract: An oilless chain is configured to connect alternately a pair of outer plates having two pins for coupling each other and a pair of inner plates, disposed adjacent to the pair of outer plates, having two bushings for coupling each other, by incorporating one of the pins into one of the bushings. After perfluoropolyether is impregnated into the bushings, the bushings are immersed in a lubricating oil composition prepared by blending perfluoropolyether with polytetrafluoroethylene. The polytetrafluoroethylene has a primary particle diameter adapted to the diameter of the pores of the bushings through which the lubricating oil composition flows.

Abstract: A scroll compressor (10) includes a lubrication part (70) provided at a sliding part between a cylindrical part (26) of a slide bush (25) and an extension (53) of a movable scroll (50). The lubrication part (70) has a coating formed on the surface of an iron substrate and the coating is made of a composition for a sliding element containing polytetrafluoroethylene, 300 parts by weight of polyamide-imide resin per 100 parts by weight of polytetrafluoroethylene and 100 parts by weight of calcium fluoride as a wear resistant agent per 100 parts by weight of polytetrafluoroethylene.

Abstract: The invention describes an anti-friction layer for a bearing element comprising a synthetic polymer layer. The polymer layer comprises at least a first part-layer and a second part-layer of a different composition.

Abstract: A sliding component has a metal base member and a coating layer. The metal base member has a sliding surface. The layer is made of silane-modified resin. The silane-modified resin is made from resin that is soluble in solvent and is equal to or higher in heat-resistant than epoxy resin. The coating layer is formed on the sliding surface.

Abstract: An article having a bearing surface with improved wear characteristics is provided. The article may be formed from a composition that includes a polymeric material, a lubricious and reinforcing additive, and a solid lubricant. Methods for forming the compositions and structures are also provided.

Abstract: The present invention intends to provide a slide member with increasing an abrasion resistance and an adherence, a friction coefficient is further decreased. A part of the base member surface of the slide member is provided with a streak so that a surface roughness thereof by a ten-point height of roughness profile is 8 to 18 ?mRz. A dry coat lubricant has polyamideimide resin, at least one kind of a layer improve agent selected from epoxysilane and epoxy resin, and at least one kind of hard particles selected from a silicon nitride and an alumina. Such construction can not only increase the abrasion resistance and the adherence of the slide member, but can decrease friction coefficient of the slide member.

Abstract: A coating composition for use in sliding members contains a polyamideimide resin and a solid lubricant and is prepared by mixing these ingredients. The polyamideimide resin is a substance having a glass transition temperature of 270° C. or above or a substance having a tensile strength of 200 MPa or more at room temperature. The sliding film made of the coating composition for use in sliding members is provided with a satisfactory sliding property.

Abstract: A process is disclosed for manufacturing a lubricant composition comprising combining a superabsorbent polymer with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in water and may comprise a polymer of acrylic acid, an acrylic ester, acrylonitrile or acrylamide, including co-polymers thereof or starch graft co-polymers thereof or mixtures thereof. A product produced by the process includes the material for decreasing friction comprising a petroleum lubricant containing an additive, water containing an additive, synthetic lubricant, grease, solid lubricant or metal working lubricant, wherein the synthetic lubricant, grease, solid lubricant or metal working lubricant optionally contain an additive. A process comprising controlling the delivery of a lubricant to at least one of two moving surfaces in order to decrease friction between said moving surfaces, is also disclosed.

Abstract: In prior art, the wear resistance and frictional properties of a sliding member are improved by adding bismuth, an alkaline earth metal salt or the like, but not lead, to a polytetrafluoroethylene used as a base resin, in view of the undesirable influences of lead on the environment. However, a further improved wear resistance at a high PV value has been desirable. In the present invention, a sliding member having excellent wear resistance and frictional properties even when used at a high PV value can be obtained by using a thermosetting resin as a base resin in a proportion of 50 to 80 vol % and adding thereto a PTFE with a molecular weight of 3,000,000 or more in a proportion of 10 to 40 vol % and bismuth and/or a bismuth alloy in a proportion of 1 to 20 vol %.

Abstract: A lubricant coating disposed between a substrate and a counter surface comprises a reaction layer immediately adjacent the substrate. A bonding layer is immediately adjacent the reaction layer, with the bonding layer comprising a first composition. A low friction, lubricious layer is immediately adjacent the bonding layer, with the lubricious layer comprising a second composition that is different from the first composition.

Abstract: The present invention provides a highly reliable liquid bearing unit which can, by securely repelling a lubricant by an oil repelling film, prevent the lubricant from leaking and a magnetic disk device mounted therewith. In a case where the lubricant contains a constituent of at least one of a hydrocarbon-based oil and an ester-based oil and the oil repellent film is a film of at least one of a fluorine base and a silicone base, surface tension of the lubricant is made greater than the critical surface tension of the oil repellent film by 5 mN/m or more. Moreover, when the lubricant is a fluorine-based lubricant, surface tension of the lubricant is made greater than the critical surface tension of the oil repellent film by 8 mN/m or more.

Abstract: A bushing device includes a spindle, a sleeve slidably engaged on the spindle, and a lubricating collar disposed on the inner peripheral portion of the sleeve for slidably engaging onto the spindle and for lubricating the sliding movement between the sleeve and the spindle. The lubricating collar may be made of nylon powder, sulfurous tungsten, and calcium fluoride, and may be directly secured onto the inner peripheral portion of the sleeve with such as a molding or heating process, without additional adhering process or without additional adhesive materials.

Abstract: A composite multilayer material is described which exhibits relatively high wear and delamination resistance without impairment of the coefficient of friction in the presence of oil. The composite multilayer material contains at least one powder-form polyaramid in its overlay, the content of PTFE or of PTFE together with the other fluorothermoplastics which form the matrix material amounting to 55-90 vol. %, the content of further fillers amounting to 9.5-44.5 vol. % and the content of polyaramid amounting to 0.5-10 vol. %.

Abstract: A self-lubricating liner includes poly(p-phenylene-2, 6-benzobisoxazole), polytetrafluoroethylene, and a resin. The self-lubricating liner has superior strength and temperature resistance, abrasion resistance, thermal conductivity, and low moisture regain.

Abstract: Use of fluorinated polyurethanes thermally crosslinkable for obtaining coatings having an improved friction coefficient for the dry lubrication of rubbers, plastics, metals, glass, said polyurethanes obtainable from aqueous dispersions of cationic oligourethanes having a molecular weight ≦9,000, formed by: a) polyisocyanates, having NCO functionality higher than 2, b) bifunctional hydrogenated monomers, c) bifunctional hydroxylated (per)fluoropolyethers, e) monofunctional hydroxyl or carboxylic (per)fluoropoly-ethers or monofunctional hydroxyl (per)fluoroalkanes optionally: d) hydrogenated monomers by which it is possible to insert a crosslinkable chemical function in the oligourethane; dI) hydrogen-active compounds, able to form with the NCO functions thermolabile bonds.

Abstract: A lubricant-containing polymer-filled rolling bearing comprising a lubricant-containing polymer packed in the space formed by an outer race, an inner race and rolling elements, wherein the lubricant-containing polymer is packed with the interposition of a grease layer having a thickness of from 10 &mgr;m to 1,000 &mgr;m formed at least on the inner peripheral surface of the outer race, the outer peripheral surface of the inner race and the surface of the rolling elements and a lubricant-containing polymer-filled rolling bearing comprising an inner race, an outer race, a plurality of rolling elements provided between the inner race and the outer race, a cage protruding outwardly from the end face of either the inner race or the outer race and retaining the rolling elements, and a lubricant-containing polymer packed in the space formed by the inner race, the outer race, the rolling elements and the cage, wherein the cage is covered with the lubricant-containing polymer.

Abstract: Fluorinated solvents are used for the application of fluorinated waxes to skis without impairing the physico-mechanical characteristics of the ski sole. The fluorinated waxes are applied to skis in the form of a spray or an aerosol allowing for quick and effective application of high melting point fluorinated waxes onto ski soles. The fluorinated solvent may be one or more linear, branched, cross-linked, or cyclic perfluorinated compounds having a boiling temperature ranging between 30° C. and 150° C., and preferably between 50° C. and 100° C. Fluorinated waxes can be dissolved in such solvents, and the mixtures of fluorinated waxes and solvents are stored in spray cans and are sprayed onto the ski soles as aerosols or as sprays.

Abstract: Disclosed is a lubricative composition obtained by polymerizing a monomer or prepolymer for a thermosetting resin or by crosslinking a crosslinking resin, the polymerization and crosslinking being conducted in either a lubricating oil or a grease containing the lubricating oil as a base oil. The lubricative composition is usable at high temperatures, free from lubricating-oil or grease deterioration, and excellent in mechanical strength and moldability and in the amount of the lubricating oil held therein.

Abstract: The present invention relates to a carbonaceous composite material that can fully produce the characteristic effect of the graphite fluoride containing carbonaceous composite material with a minimum additive ratio of graphite fluoride and simultaneously can produce the secondary corrosion inhibiting properties and to a sliding member using the same. The carbonaceous composite material of the present invention features in that it contains graphite fluoride; and alkaline agent for neutralization of hydrogen fluoride or adsorbent for fixation of hydrogen fluoride, the remainder being carbonaceous components. The sliding member of the invention is the one made by using the carbonaceous composite material of the invention. Specifically, the carbonaceous composite material of the invention is applicable to an electric sliding brush, a mechanical sealing member, a bearing member and the like.

Abstract: A self-lubricating coating is provided which includes a mixture of a curable acrylate composition including a dipentaerythritol pentaacylate and a solid lubricant, such as polytetraflourethylenr. The curable acrylate composition may also include triethylene glycol dimethacrylate. An aramid pulp may also be added to the coating mixture. Also disclosed is a method of manufacturing the coating, and a self-lubricating bearing having the coating disposed on its surface.

Abstract: Iron oxide functions as a wear- and cavitation-inhibiting additive in the plastic sliding layer(s) of composite bearings for oil-lubricated applications. The sliding layers predominantly consist of thermoplastic fluoropolymers. The addition of iron oxide to PTFE-based materials reduces the destruction of the sliding surface owing to the appearance of cavitation if the materials are used in the presence of oil.

Abstract: The present invention includes a lubricated bearing which incorporates a phase convertible compound. The compound absorbs and stores heat generated during operation of the bearing. This absorbs and stored heat is then released upon start-up conditions of the bearing, especially under low temperature conditions. The released heat is used to improve the ability of the lubricant contained within the bearings to reduce friction of the relatively movable parts contained therein.

Abstract: A rolling sliding part is in relative rolling contact or sliding contact with a companion member, and is formed on a contact surface thereof with a lubricating film (5) composed of a polymer which contains fluorine with a functional group and in which particles (6) of polytetrafluoroethylene resin are dispersed and mixed. The lubricating film (5) exhibits a favorable lubricating property and generates little dust, and the particles (6) mixed in the film provide a favorable cushioning action under Loading. As the lubricating film (5) itself and the particles (6) are fluorine based, they provide for a good compatibility therebetween.

Abstract: A carbon--carbon composite for friction products comprises an outer friction part and a load bearing structure part supporting the friction part. The friction part contains a mixture of carbon fibers, pitch powder and graphite powder, whereas the structure part is comprised of a pack of alternating layers of the mixture and layers of one member selected from the group consisting of carbon fabrics, carbon-based prepregs and carbon-based, segmented prepregs.

Abstract: The plastic ski coating contains a filling material mixture of fluorographite and soot. By way of this combination the sliding characteristics of the coating on snow is surprisingly improved.

Abstract: Self-lubricating resin compositions including a boric acid additive and a synthetic polymer including those thermoset materials.

Abstract: A wet type sliding apparatus comprising a wet type radial bearing which starts in the presence of a lubricating liquid, wherein the radial bearing has a sliding surface consisting of a resin composition comprising 10 to 45% by weight of a carbon fiber and 0.1 to 8.5% by weight of a fluorocarbon polymer, the balance being substantially an aromatic polyetherketone resin or a polyarylene sulfide resin. The radial bearing in the above wet type sliding apparatus is excellent in wear resistance even under a high load.

Abstract: A resin composition, for sliding member, which has a high degree of mechanical strength and wear resistance regardless of whether grease is applied to gears or the like formed thereof, attacks mating member formed of unflexible materials as well as flexible materials, is moldable, and can be molded into a product; and a gear formed thereof. The resin composition for sliding member comprises a resin; a solid lubricant; a whisker having Mohs hardness of five or more and a whisker having Mohs hardness of less than five.

Abstract: A biodegradable lubricative resin composition which withstands use as a material for sliding parts, and slide bearings and gears made from such a resin composition. The resin composition contains an aliphatic polyester which is a monopolymer or copolymer of a hydroxy-carboxylic acid or an aliphatic polyhydroxy alcohol and an aliphatic polybase, the aliphatic polyester preferably containing 50-100 wt % lactic acid, and a lubricant which is a lubricating oil or a solid lubricant. Slide bearings and gears molded from such a resin composition are also proposed.

Abstract: A solid film of a fluorine-containing polyurethane polymer is formed on at least one of the constituent elements (inner and outer rings, rolling member and retainer) of a rolling-contact bearing. The molecules of the solid film of the fluorine-containing polyurethane polymer have urethane bonds, and form a three-dimensional reticular structure. Therefore, the film is unlikely to separate, peel off or wear. The occurrence of the dust can be restricted, and lubrication property can be improved.

Abstract: This invention relates to formulations useful as lubricants for polyethylene snow sliders such as skis, snowboards and sleds. Lubricants of this type are comprised of i) waxes, ii) carbon fluorides of which the basic structure is represented by the formula CF.sub.x wherein x has values ranging from 0.1 to 1.2 and, iii) fluorinated additives of the formulaR.sub.f X(CH.sub.2).sub.m CH.sub.3wherein R.sub.f is independently a straight or branched perfluoroalkyl group; X is a direct bond, SO.sub.2 NH, SO.sub.2 N(R) wherein R is an alkyl group of up to six carbon atoms, or X is an alkylene group of up to ten carbon atoms interrupted by one or more --O--, --SO.sub.2 --, or --S-- groups; m is an integer from 4 to 30.

Abstract: A non-sticking sliding part molding Composition comprising a mixture of a fluororesin and a thermoplastic resin other than fluororesin and a fibrous filler, said mixture and said fibrous filler accounting for 70 to 95 weight % and 5 to 30 weight %, respectively, and said thermoplastic resin other than fluororesin occurring in a proportion of 60 to 100 parts by weight based on t00 parts by weight of said fluororesin. The object is to provide a non-sticking sliding part molding composition which is not only fully possessed of the fundamental properties required of sliding parts but also has a well-balanced assortment of hardness, deflection under load, creep resistance, slidability, moldability, and toner-repellent property, thus surpassing the prior art.

Abstract: A thrust bearing having a sliding surface composed of a resin composition which comprises 10 to 45% by weight of a carbon fiber, 0.1 to 30% by weight of a polytetrafluoroethylene, 0.1 to 20% by weight of a graphite having an oil absorption of 70 to 500 ml/100 g, the balance being substantially an aromatic polyetherketone resin wherein the total content of the carbon fiber, the polytetrafluoroethylene and the graphite is not more than 65% by weight. The sliding surface of the above thrust bearing is excellent in wear resistance and low in friction coefficient at the time of starting.

Abstract: A sliding member excellent in cavitation resistance and friction properties which has a sliding surface composed of a resin composition comprising a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin and a polytetrafluoroethylene having a molecular weight of 5,000,000 to 15,000,000 and optionally a solid lubricant, wherein the proportion of the tetrafluoro-ethylene-perfluoroalkyl vinyl ether copolymer resin is 1 to 50% by volume based on the volume of the resin composition and the proportion of the solid lubricant is 0.5 to 10% by volume based on the volume of the resin composition. The addition of the solid lubricant results in an enhancement of friction properties and the use of an exfoliated graphite as the solid lubricant brings about a further enhancement of friction properties.

Abstract: A sliding member usable in dry and wet states includes a synthetic resin coated filler powder composition obtained by polymerizing a polyethylene based composition in the presence of a filler having a friction-reducing and/or wear-resisting property, uniformly dispersed in a matrix made of a waterproof synthetic resin, and optionally a reinforcing material as needed.