Gleitharzzusammensetzung

Bereitgestellt wird eine Gleitharzzusammensetzung, die ausgezeichnete Verschleißbeständigkeit und ausgezeichnete Gleiteigenschaften, selbst unter einer Bedingung ohne Schmierung, aufweist. Die Gleitharzzusammensetzung (1) umfasst ein Fluorharz (2) und Calciumfluorid (3) und ein Fluorharzfilmbildendes Mittel (4), die in dem Fluorharz enthalten sind, wobei Partikel des Calciumfluorids, die das Fluorharzfilmbildende Mittel in Partikeloberflächen derselben eingebettet haben, in dem Fluorharz dispergiert sind. Wenn eine Gleitoberfläche der Harzzusammensetzung mit einer Oberfläche eines Gegenelements während eines Gleitvorgangs in Kontakt kommt, wird das Fluorharz einer Scherung unterworfen und Scherstücke (Abriebpulver) werden produziert und auf das Calciumfluorid übertragen, das an der Gleitoberfläche der Harzzusammensetzung freiliegt, wodurch ein übertragener Film des Fluorharzes 2 gebildet wird, der den Reibungskoeffizienten verringert.

Cerium oxide nanoparticles as fuel supplements

LACQUER ENAMEL LUBRICANTS ON THE BASIS FLUORIDATED GRAPHITE AND PROCEDURE FOR YOUR PRODUCTION AND YOUR USE.

GRAPHITE FLUORIDE BASED LUBRICATING VARNISHES, THEIR PREPARATION AND THEIR USE

La présente invention concerne des vernis lubrifiants pour métaux obtenus par mélange d'une dispersion de fluorure de graphite dans la glycérine avec une dispersion aqueuse de fluorure de graphite, stabilisée par le sel de sodium d'un condensat d'acide naphtalènesulfonique avec le formol.

POLYMERIC-INORGANIC PARTICLES USEFUL AS LUBRICANT ADDITIVES

A sliding resin composition comprising a fluorine resin film-forming agent embedded in calcium fluoride particles and dispersed in a fluorine resin

There is provided a sliding resin composition that exhibits excellent wear resistance and excellent sliding properties even under a condition with no lubrication. The sliding resin composition (1) comprising a fluorine resin (2), and calcium fluoride (3) and a fluorine resin film-forming agent (4) contained in the fluorine resin, wherein particles of the calcium fluoride having the fluorine resin film-forming agent embedded in particle surfaces thereof are dispersed in the fluorine resin. The fluorine resin (2) can comprise polytetrafluoroethylene and the film-forming agent (4) can comprise an inorganic compound. In another embodiment, the resin can further contain a solid lubricant.

HEATCONDUCTIVE SILICONE GREASE COMPOSITION

LUBRICANT COMPOSITION

The invention relates to a lubricant composition for application onto the surface of drive elements, the lubricant composition containing a base oil and a silasesquioxane. The composition is suitable for preventing, reducing or avoiding fatigue phenomena in the material of drive elements, such as gray staining, false brinelling and white etching cracks.

Modified lubricant

A modified lubricant includes lubricant grease and nano-graphite plates dispersed thoroughly in the lubricant grease. The content of the nano-graphite plates is 0.0001 wt % to 10 wt %. Each nano-graphite plate has a length or a width between 1 and 100 m, a thickness within 10 nm and 100 nm, and N graphene layers stacked together and a surface modifying layer disposed on the top or bottom of the nano-graphite plates, wherein N is 30 to 300. The surface modifying layer has a surface modifying agent which includes at least two functional groups located at two ends of the surface modifying agent, one of the two functional groups is chemically bonded with certain organic functional group remaining on the surface of the nano-graphite plate, and the other of the two functional groups forms the functional surface of the nano-graphite plate.

POLYPHENOL SHELLED NANOPARTICLES, LUBRICATING COMPOSITION CONTAINING THEM, AND SYNTHESIS METHOD THEREFOR

A compound (260) for enhancing lubrication includes nanoparticles (250) having a size less than 100 nm; and a polyphenol derived agent (240) coating an external surface of the nanoparticles (250) for enhancing the lubrication.

СМАЗКА ДЛЯ ПОРОШКОВЫХ МЕТАЛЛУРГИЧЕСКИХ КОМПОЗИЦИЙ

FIELD: process engineering. SUBSTANCE: invention relates to powder metallurgy, particularly, to iron-based metallurgical composition. Proposed composition comprises iron or iron-based powder and dispersed composite lubricant containing particles with a core that incorporates solid organic lubricant with carbon particles stuck thereto. Said dispersed composite lubricant is produced by mixing dispersed organic material and finely-dispersed particles in conditions that allow sticking of carbon particles to organic material surface. EFFECT: powder composition features good rheological properties and high bulk density. 14 cl, 5 tbl, 1 ex

РЕЗЬБОВОЕ СОЕДИНЕНИЕ ДЛЯ СТАЛЬНЫХ ТРУБ

... 1. Резьбовое соединение для стальных труб, содержащее штифт и втулку, каждый из которых имеет контактную поверхность, включающую снабженный резьбой участок и свободный от резьбы участок для контакта металла, отличающееся тем, что контактная поверхность, по меньшей мере, только штифта или втулки покрыта металлическим грунтовочным слоем, а поверх него - смазывающим покрывающим слоем, при этом грунтовочный слой имеет пористость 5-80% и толщину 1-30 мкм, слой смазывающего покрытия включает твердое смазывающее покрытие или жидкое смазывающее покрытие, причем последнее по существу свободно от порошков твердых металлов, а максимальная общая толщина грунтовочного слоя и смазывающего покрывающего слоя составляет 100 мкм. 2. Резьбовое соединение для стальных труб по п.1, в котором грунтовочный слой имеет твердость по Виккерсу 50-250. 3. Резьбовое соединение для стальных труб по п.1 или 2, в котором грунтовочный слой образован электролитическим способом, при помощи дутья или газопламенного напыления ...

A mtheod of making carbon nanotube dispensions for the enhancement of fluids

COMPOSITION COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE

The invention relates to a composition including at least one lubricant comprising polyol esters and a refrigerant fluid F comprising 1-chloro-3,3,3-trifluoropropene. The invention also relates to different uses of said composition.

HYBRID NANOLUBRICANT

A nanolubricant composition is described where the lubricant composition includes a flowable oil or grease with a multi-component nanoparticle dispersed in the flowable oil or grease. The multi-component nanoparticle includes a first nanoparticle component which effects thermal conductivity at a part interface and a second nanoparticle component which effects shearing at a part interface.

POWDER LUBRICANT FOR PLUNGER DEVICE

The present invention relates to a powder lubricant for a plunger device used in a diecasting machine. The powder lubricant is comprised of a mixture of a powdered or granulated lubricant base material composed of an inorganic compound used for a lubricant in a solid form, with an organic compound providing an adhesion ability to the lubricant base material. Both have a powdered or granulated form or have a form in which the lubricant base material is covered by the organic compound. The effects of the invention are that the occurrence of defects inside diecast products can be reduced, dangers such as fire etc. and environmental pollution can be reduced, and the sliding of the plunger can be made smooth to thereby improve the workability.

utilização de materiais em nanoescala em uma composição para evitar fenômenos de fadiga perto da superfície dos elementos de acionamento

Lubricant for powder metallurgical compositions

An iron-based powder metallurgical composition is provided comprising an iron or iron-based powder and a particulate composite lubricant, the composite lubricant comprising particles having a core comprising a solid organic lubricant having fine carbon particles adhered thereon. A particulate composite lubricant and a method for producing the same also are provided.

Multifunctional particulate material, fluid, and composition

Multifunctional particulate material, fluid, and composition

NON-CONDUCTIVE ROLLER ASSEMBLY

A pipe roller assembly includes a roller base; a roller shaft mounted to the roller base, the roller shaft defining an outer shaft surface; a roller defining an outer roller surface and an inner bearing surface, the roller mounted on the roller shaft; and an non-conductive barrier mounted between the roller and the roller base, the non-conductive barrier electrically isolating the roller from the roller base.

Use of nanoscale materials in a composition for preventing symptoms of fatigue in the surface-closed structure of drive elements

A composition for prevention or reduction of fatigue damage, especially trench formation or micropitting, of the surfaces of drive elements, is provided that comprises 0.1 to 40% by weight of surface-modified nanoparticles, and 99.9 to 60% by weight of a carrier material suitable for application to the drive element surfaces.

Enhanced durability performance of lubricants using functionalized metal phosphate nanoplatelets

A method for improving wear protection in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil having a HTHS viscosity of less than 2.6 cP at 150° C. The formulated oil has a composition including a major amount of a lubricating oil base stock and a minor amount of metal phosphate nanoplatelets. The metal phosphate nanoplatelets are dispersed in the lubricating oil base stock sufficient for the formulated oil to pass wear protection requirements of one or more engine tests selected from TU3M, Sequence IIIG, Sequence IVA and OM646LA. Also provided are lubricating engine oil composition having improved wear protection.

MULTIFUNCTIONAL PARTICULATE MATERIAL, FLUID, AND COMPOSITION

METHOD OF MANUFACTURING ENGINE OIL WITH METAL, ADDITIVE OF ENGINE OIL, ENGINE OIL WITH ADDITIVE

РЕЗЬБОВОЕ СОЕДИНЕНИЕ ДЛЯ СТАЛЬНЫХ ТРУБ

FIELD: threaded joints for steel pipes. SUBSTANCE: proposed threaded joint has dowel pin and bush with contact surface each; contact surface includes section with thread and section without thread which is used for contact with metal. Contact surface of at least only dowel pin or only bush is coated with primer layer over which covering lubricating layer is applied. Primer layer is just coat made from porous metal at porosity of 5-80% and thickness of 1-30 mcm. Lubricating coat is made in form of solid coat practically free from powders of hard metals. Maximum total thickness of primer layer and lubricating layer is 100 mcm. Proposed threaded joint for steel pipes ensures hermetic " metal-to-metal" joint and withstands repeated screwing and unscrewing without application of liquid lubricant. EFFECT: enhanced reliability. 6 cl, 4 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (51) ÌÏÊ 7 (11) 2 262 029 (13) C2 F 16 L 15/00 ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2004105592/06, 19.07.2002 (72) Àâòîð(û): ÀÍÐÀÊÓ Òîñèðî (JP), ÃÎÒÎ Êóíèî (JP), ÌÀÖÓÌÎÒÎ Êåèñè (JP), ÍÀÃÀÑÀÊÓ Ñèãåî (JP) (24) Äàòà íà÷àëà äåéñòâè ïàòåíòà: 19.07.2002 (30) Ïðèîðèòåò: 25.07.2001 JP 2001-224918 (45) Îïóáëèêîâàíî: 10.10.2005 Áþë. ¹ 28 2 2 6 2 0 2 9 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: JP 62-258283 A, 10.11.1987. WO 01/48411 A1, 05.07.2001. SU 1572423 A3, 15.06.1990. JP 63-270477 A, 08.11.1988. US 5687999 A, 18.11.1997. US 4893658 A, 16.01.1990. (73) Ïàòåíòîîáëàäàòåëü(ëè): ÑÓÌÈÒÎÌÎ ÌÅÒÀË ÈÍÄÀÑÒÐÈÇ, ËÒÄ. (JP), ÂÀËËÓÐÅÊ ÌÀÍÍÅÑÌÀÍÍ ÎÉË ÝÍÄ ÃÝÑ ÔÐÀÍÑ (FR) (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 25.02.2004 2 2 6 2 0 2 9 R U (87) Ïóáëèêàöè PCT: WO 03/010460 (06.02.2003) C 2 C 2 (86) Çà âêà PCT: JP 02/07355 (19.07.2002) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. Ñ.À.Äîðîôååâó (54) ÐÅÇÜÁÎÂÎÅ ÑÎÅÄÈÍÅÍÈÅ ÄËß ÑÒÀËÜÍÛÕ ...

Patent RU2019133328A3

Sliding resin composition

Powdrous lubricants for plunger device

Nanoparticle organic hybrid materials (NOHMS)

A nanoparticle organic hybrid material (NOHM) containing an organic polymeric corona having a molecular weight in a range of 100-50,000 g/mol, wherein the organic polymeric corona is covalently attached to an inorganic nanoparticle core, wherein the NOHM exhibits liquid-like properties so that the NOHM moves freely and flows in a manner so that when the NOHM is in a container, the NOHM takes the shape of the container, and wherein the NOHM has a volume fraction (fc) of the inorganic particle ranging from about 0.05 to 0.75, methods of making the NOHMs, and compositions containing the NOHMs.

Sliding resin composition

Threaded joint for steel pipes

A threaded joint for steel pipes which is capable of metal-to-metal sealing and which can be subjected to repeated fastening and unfastening without the application of a liquid lubricant containing a heavy metal powder comprises a pin and a box each having a contact surface including a threaded portion and an unthreaded metal contact portion. The contact surface of at least one of the pin and the box are coated with an undercoating layer and a lubricating coating layer atop it. The undercoating layer is a porous metal coating having a porosity of 5-80% and a thickness of 1-30 mum and preferably a hardness of 50-250 Hv. The lubricating coating is a solid lubricating coating or a liquid lubricating coating, the latter containing substantially no heavy metal powders. The total thickness of the undercoating layer and the lubricating coating layer is at most 100 mum.

Manufacture of carbon nano-particles

LUBRICANT FOR POWDER METALLURGICAL COMPOSITIONS

The present invention concerns an iron-based powder metallurgical composition comprising an iron or iron- based powder and a particulate composite lubricant, said composite lubricant comprising particles having a core comprising a solid organic lubricant having fine carbon particles adhered thereon. The invention further relates to the particulate composite lubricant and a method for producing the same.

HYBRID NANOLUBRICANT

A nanolubricant composition is described where the lubricant composition includes a flowable oil or grease with a multi-component nanoparticle dispersed in the flowable oil or grease. The multi-component nanoparticle includes a first nanoparticle component which effects thermal conductivity at a part interface and a second nanoparticle component which effects shearing at a part interface.

OIL COMPOSITION COMPRISING FUNCTIONALIZED NANOPARTICLES

An improved oil composition is disclosed. The oil composition includes a base oil comprising a hydrocarbon, the base oil having a base thermal conductivity. The oil composition also includes a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil having a modified thermal conductivity, wherein the modified thermal conductivity is greater than the base thermal conductivity. Alternately, an improved oil composition includes a base oil comprising a hydrocarbon and a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil comprising a stabilized suspension of the derivatized first additive nanoparticles in the base oil.

CORROSION RESISTANT DRY FILM LUBRICANTS

A corrosion-resistant dry film lubricant composition includes a lubricating pigment, a binder, and a solvent. The lubricating pigment comprises graphene platelets and is dispersed in the binder, and the solvent solubilizes the lubricant pigment and the binder. The graphene platelets are oxidized and functionalized with a silane. A method of producing a corrosion-resistant lubricant includes oxidizing exfoliated graphene to produce oxidized graphene platelets, functionalizing the oxidized graphene platelets with a silane to produce functionalized graphene platelets, and dispersing the functionalized graphene platelets in a lubricant composition, wherein the lubricant composition comprises a binder and a solvent.

PULVERSCHMIERMITTEL FUER EINEN DRUCKKOLBEN

OBERFLÄCHEN MIT ÖL-PTFE-SCHMIERSTOFF UND VERFAHREN ZU DEREN HERSTELLUNG

Die Erfindung bezieht sich auf das Gebiet der Chemie und betrifft Oberflächen mit Öl-PTFE-Schmierstoff, wie sie beispielsweise im Maschinenbau, eingesetzt werden. Aufgabe der vorliegenden Erfindung ist es, Oberflächen mit Öl-PTFE-Schmierstoff anzugeben, die stabil und langzeitwirksam miteinander verbunden sind. Die Aufgabe wird gelöst durch Oberflächen mit Öl-PTFE-Schmierstoff, bei denen PTFE-Partikel über -COF- und/oder -COOH-Gruppen und über radikalisch gekoppelte Phosphit- und/oder Phosphonat- und/oder Phosphat- und/oder Sulfonatund/oder Sulfat- und/oder Silan-Gruppen nach einer reaktiven Umsetzung unter mechanischer Beanspruchung mit der Oberfläche über koordinative Bindungen und/oder Ionenbindungen chemisch gekoppelt vorliegen. Die Aufgabe wird weiterhin gelöst durch ein Verfahren, bei dem modifizierte PTFE-Partikel mit -COF- und -COOH-Gruppen und Perfluoralkyl-(peroxy-)Radikalen in einem Öl oder einem Ölgemisch mit < 10 Ma.-% organischen olefinisch ungesättigten Phosphit- und/oder Phosphonat- und/oder Phosphat- und/oder Sulfonat- und/oder Sulfat- und/oder Silan-Verbindungen unter mechanischer Beanspruchung dispergiert und nachfolgend mit der Oberfläche kontaktiert werden. The invention relates to the field of chemistry and relates to surfaces with oil-PTFE lubricant, as used for example in mechanical engineering. Object of the present invention is to provide surfaces with oil PTFE lubricant, which are stable and long-term effective interconnected. The object is achieved by surfaces with oil PTFE lubricant, in which PTFE particles via -COF and / or -COOH groups and radically coupled phosphite and / or phosphonate and / or phosphate and / or sulfonate and / or sulfate and / or silane groups are chemically coupled after a reactive reaction under mechanical stress with the surface via coordinative bonds and / or ionic bonds. The object is further achieved by a process in which modified PTFE particles with -COF and -COOH groups and perfluoroalkyl (peroxy) ...

SURFACE CONDITIONING NANOLUBRICANT

A nanolubricant composition is described where the lubricant composition includes a flowable oil or grease with nanoparticles dispersed in the flowable oil or grease. The nanoparticles are configured to polish a surface of a structure slowly over a period of time. The nanoparticles a hardness of at least about 7 Mohs and a diameter that is less than one half the arithmetic average roughness of the surface or a length that is less than one half of the arithmetic average roughness of the surface.

SURFACE CONDITIONING NANOLUBRICANT

A nanolubricant composition is described where the lubricant composition includes a flowable oil or grease with nanoparticles dispersed in the flowable oil or grease. The nanoparticles are configured to polish a surface of a structure slowly over a period of time. The nanoparticles a hardness of at least about 7 Mohs and a diameter that is less than one half the arithmetic average roughness of the surface or a length that is less than one half of the arithmetic average roughness of the surface.

VERFAHREN ZUR HERSTELLUNG EINES MIT EINEM EXTRUDIERBAREN, VERNETZTEN, FETTÄHNLICHEN WÄRMEABSTRAHLENDEN MATERIAL GEFÜLLTEN, VERSIEGELTEN BEHÄLTERS

POWDROUS LUBRICANTS FOR PLUNGER DEVICE

junta rosqueada para tubos de aço.

Multifunctional particulate material, fluid, and composition

Solid lubricant and production method thereof

A method for producing a solid lubricant includes steps of preparing and coating. A phosphate aqueous solution prepared by the step of preparing is an aqueous solution containing at least one of aluminum dihydrogen phosphate and magnesium dihydrogen phosphate in an amount of 0.5 to 10% by mass. A graphite material is coated with a phosphate using the phosphate aqueous solution. The graphite material is used at a ratio of 40 to 50 parts by mass based on 100 parts by mass of the aqueous solution.

Drag Reducing Compositions and Methods of Manufacture and Use

A drag reducing composition for use in hydrocarbon streams which contains a finely divided, solid polyolefin friction reducing agent, a suspending medium comprised of water and a liquid organic carrier containing from 10 to 14 carbon atoms and having at least one hydroxyl group and a partitioning agent comprising a compound having a hydrophobic group and a hydrophilic group and exhibiting at least some surface activity.

Use of cross-linked microgel as a rheological additive for the modification of the non-cross-linkable organic medium, at specific temperature

Use of cross-linked microgel (B) as a rheological additive for the modification of the non-cross-linkable organic medium (A) at at least 100[deg]C.

LUBRIFYING LACQUERS BASED ON FLUORINATED GRAPHITE, AND PROCESSES FOR THEIR PREPARATION AND THEIR USE

Verwendung von nanoskaligen Materialien in einer Zusammensetzung zur Verhinderung von Ermüdungserscheinungen im oberfläschennahen Gefüge von Antriebselementen

Die vorliegende Erfindung betrifft die Verwendung von nanoskaligen Materialien in einer Zusammensetzung, die zur Verhinderung von Ermüdungsschäden in Antriebselementen auf deren Oberflächen aufgetragen wird. Insbesondere werden durch diesen Auftrag die Oberflächen von Antriebselementen gegen die Bildung von Grauflecken (grey staining, surface fatigue, micro-pitting) und die Grübchenbildung geschützt. Das Auftreten von Ermüdungsschäden auf diesen Oberflächen wird dadurch verhindert oder vermindert.

Medical devices with variable stiffness

Medical devices capable of having variable stiffness, and related methods, are disclosed. In some embodiments, a medical device includes an elongated member adapted to be inserted into a subject, and an electrorheological fluid carried by the elongated member.

LOW-ADHESION COATINGS WITH SOLID-STATE LUBRICANTS

Some variations provide a low-adhesion coating comprising a continuous matrix containing a first component, a plurality of inclusions containing a second component, and a solid-state lubricant distributed within the coating, wherein one of the first component or the second component is a low-surface-energy polymer, and the other of the first component or the second component is a hygroscopic material. The solid-state lubricant may be selected from graphite, graphene, molybdenum disulfide, tungsten disulfide, hexagonal boron nitride, or poly(tetrafluoroethylene) or other fluoropolymers. The solid-state lubricant particles may be coated with a metal selected from cadmium, lead, tin, zinc, copper, nickel, or alloys containing one or more of these metals. The solid-state lubricant is typically characterized by an average particle size from about 0.1 μm to about 500 μm. The solid-state lubricant is preferably distributed throughout the coating.

Reversible thermal thickening grease

A reversible thermal thickening grease for microelectronic packages, in which the grease contains filler particles; at least one polymer; and a binder; in which the filler particles are dispersed within the binder, in which one or more segments of the at least one polymer may be attached to the filler particles prior to dispersion in the binder, and in which the polymer collapses at temperatures below a Theta temperature and swells at temperatures above a Theta temperature. During the operation of a microelectronic package, grease pump-out and air proliferation are minimized with use of the reversible thermal thickening grease, while grease fluidity is retained under repetitive thermal stresses.

Lubricating grease composition

A lubricating grease composition contains a major amount of lubricating base oil, at least one thickener and at least one agent for reducing the coefficient of friction. The agent for reducing the coefficient of friction comprises a metal oxide that has a specific surface area of at least 100 m2/g and that is selected from the group consisting of titanium oxide, silicon dioxide, aluminum oxide and tin dioxide.

Drag Reducing Compositions and Methods of Manufacture and Use

A drag reducing composition comprising a finely divided, solid polyolefin friction reducing agent formed from olefins containing from 2 to 30 carbon atoms, the polyolefin drag reducing agent suspended in a suspending medium and comprising 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate containing up to 10% by weight of water.

POLYMERIC-INORGANIC PARTICLES USEFUL AS LUBRICANT ADDITIVES

The invention relates to polymeric-inorganic nanoparticles and preparation processes thereof. The invention also relates to a powder, concentrate and lubricating composition comprising these polymeric-inorganic nanoparticles, to a method of dispersing nanoparticles in lubricating oil, as well as the use of these polymeric-inorganic particles in an oil lubricant formulation to reduce pour point, friction and wear.

METAL SOAP-COATED PARTICLE, ARTICLE MADE WITH THE SAME, PROCESS FOR PRODUCTION, LUBRICATING COATING AGENT, AND LUBRICATING COATING FILM

Nano Suspension Lubricants

A method for preparing a nano suspension lubricant comprises providing substantially spherical nano particles of size ranging from about less than 50 nanometers to about 100 nanometers. The method further comprises mixing the nano particles and a surfactant in about 1:1 ratio in a solvent to form a mixture. The solvent is evaporated from the mixture to obtain surface modified nano particles. The surface modified nano particles include the nano particles coated with the surfactant. The method comprises mixing the surface modified nano particles with a lubricating fluid to form the nano suspension lubricant, where the lubricating fluid comprises about 90% to 99% base oil and about 1% to 10% additives.

METHOD OF MANUFACTURING ENGINE OIL WITH METAL, ADDITIVE OF ENGINE OIL, ENGINE OIL WITH ADDITIVE

Capped particles comprising multi-block copolymers for use in lubricants

The present invention relates to capped particle additives for use in lubricant compositions, to processes for producing the additives, and to the use of the additives in lubricants and in systems that are lubricated. When used in a lubricant to lubricate a metallic surface of a workpiece, the capped particle preferably adhere to the metallic surface of the workpiece.

Surface conditioning nanolubricant

A nanolubricant composition is described where the lubricant composition includes a flowable oil or grease with nanoparticles dispersed in the flowable oil or grease. The nanoparticles are configured to polish a surface of a structure slowly over a period of time. The nanoparticles a hardness of at least about 7 Mohs and a diameter that is less than one half the arithmetic average roughness of the surface or a length that is less than one half of the arithmetic average roughness of the surface.

CORROSION-RESISTANT GREASES AND WET LUBRICANTS

A corrosion-resistant wet film lubricant composition includes a lubricating pigment, an oil, and a thickener. The lubricating pigment comprises graphene platelets and is dispersed in the oil, and the thickener thickens the wet film lubricant. The graphene platelets are oxidized and functionalized with a silane. In another example, a method of producing a corrosion-resistant lubricant includes oxidizing exfoliated graphene to produce oxidized graphene platelets, functionalizing the oxidized graphene platelets with a silane to produce functionalized graphene platelets, and dispersing the functionalized graphene platelets in a lubricant composition, wherein the lubricant composition comprises an oil and a thickener.

Schmierstoffzusammensetzung

Die Erfindung betrifft eine Schmierstoffzusammensetzung zum Auftragen auf die Oberfläche von Antriebselementen, wobei die Schmierstoffzusammensetzung ein Basisöl und ein Silasesquioxan enthält. Die Zusammensetzung ist geeignet um Ermüdungserscheinungen im Material von Antriebselementen, wie Graufleckenbildung, False Brinelling und White Etching Cracks zu verhindern, zu verringern oder zu vermeiden. The invention relates to a lubricant composition for application to the surface of drive elements, the lubricant composition containing a base oil and a silsesquioxane. The composition is suitable for preventing, reducing or avoiding fatigue in the material of driving elements such as gray pitting, false brinelling and white etching cracking.

Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material

Provided is a water-based lubricating coating agent for a metal material, capable of carrying out a chemical conversion treatment and a lubrication treatment at the same time, which makes it possible to achieve excellent lubricity even in plastic working, press molding, and the like, and at the same time, operability (e.g., process shortening, sludge reduction). The water-based lubricating coating agent having pH of 2.0 to 6.5 for a metal material is obtained by blending: at least one lubricating component other than black-based solid lubricants; and at least one chemical conversion component selected from the group consisting of a phosphoric acid compound, an oxalic acid compound, a molybdic acid compound, a zirconium compound, and a titanium compound, the concentration of the lubricating component is 5 mass % or more in mass ratio to the total solid content mass in the lubricating coating agent, and the concentration of the chemical conversion component is 0.3 to 8 mass % when the total ...

CARBON NANOFIBER MATERIALS AND LUBRICANTS

Nickel-containing carbon nanofiber (NiCNF) materials and lubricants comprising the nanofiber materials are described herein. The NiCNF materials comprise a plurality of elongate nickel-containing carbon nanofibers. Each NiCNF comprises a carbon nanofiber shaft that is capped at one end by a nickel nanoparticle encapsulated in multiple layers of graphitic carbon. The nanofibers typically have a generally circular cross-section (i.e., in the direction perpendicular to the length-axis of the fibers). The NiCNF materials as useful, e.g., in lubricant compositions, which also are described herein.

GREASE COMPOSITION INCLUDING INORGANIC FULLERENE-LIKE PARTICLES

INTERMETALLIC COMPOUND MAGNETIZED AND A LUBRICATING OIL THAT CONTAINS THE SAME

La presente se refiere a un compuesto intermetálico magnetizado, utilizado como aditivo en aceites lubricantes básicos, de manera de producir un aceite lubricante terminado con elevado grado de desempeno. La magnetizacion del compuesto intermetálico le confiere al aceite lubricante terminado cuando es aplicado a un cuerpo solido, la capacidad de formar una película magnética sobre la superficie externa del cuerpo solido, de modo de conferir al aditivo mayor capacidad de reduccion el rozamiento, minimizando los efectos de desgaste ocasionados por el contacto entre las superficies de diversos sistemas dinámicos.

INERT WEAR RESISTANT FLUOROPOLYMER-BASED SOLID LUBRICANTS, METHODS OF MAKING AND METHODS OF USE

The present disclosure includes fluoropolymer-based materials, methods of making fluoropolymer-based materials, methods of using fluoropolymer-based materials, and the like.

WATER-BASED LUBRICATING COATING AGENT FOR METAL MATERIAL, SURFACE-TREATED METAL MATERIAL, AND METHOD FOR FORMING LUBRICATING COATING FOR METAL MATERIAL

The water-based lubricating coating agent having pH of 2.0 to 6.5 for a metal material is obtained by blending: at least one lubricating component other than black-based solid lubricants; and at least one chemical conversion component selected from the group consisting of a phosphoric acid compound, an oxalic acid compound, a molybdic acid compound, a zirconium compound, and a titanium compound, the concentration of the lubricating component is 5 mass % or more in mass ratio to the total solid content mass in the lubricating coating agent, and the concentration of the chemical conversion component is 0.3 to 8 mass % when the total mass of the lubricating coating agent is regarded as 100 mass %.

Medical devices with variable stiffness

Medical devices capable of having variable stiffness, and related methods, are disclosed. In some embodiments, a medical device includes an elongated member adapted to be inserted into a subject, and an electrorheological fluid carried by the elongated member.

SLIDING MEMBER AND SLIDING MACHINE

A sliding member has a sliding surface sliding under a wet condition in which a lubricant oil exists. The sliding surface is coated with a laminate film comprising an upper layer and a lower layer. The lower layer comprises hydrogen-free amorphous carbon (hydrogen-free DLC) and carbon particles dispersed on or in the hydrogen-free DLC. The hydrogen-free DLC has a hydrogen content of 5 atom % or less when the lower layer as a whole is 100 atom %. The upper layer comprises boron-containing amorphous carbon (B-DLC) and has protrusions on a surface side of the upper layer along the carbon particles of the lower layer. The B-DLC has a boron content of 1-40 atom % when the upper layer as a whole is 100 atom %. The protrusions have a particle diameter of 0.5-5 μm and exist with a density of 20 protrusions/100 μm2 or more.

Low-adhesion coatings with solid-state lubricants

Some variations provide a low-adhesion coating comprising a continuous matrix containing a first component, a plurality of inclusions containing a second component, and a solid-state lubricant distributed within the coating, wherein one of the first component or the second component is a low-surface-energy polymer, and the other of the first component or the second component is a hygroscopic material. The solid-state lubricant may be selected from graphite, graphene, molybdenum disulfide, tungsten disulfide, hexagonal boron nitride, or poly(tetrafluoroethylene) or other fluoropolymers. The solid-state lubricant particles may be coated with a metal selected from cadmium, lead, tin, zinc, copper, nickel, or alloys containing one or more of these metals. The solid-state lubricant is typically characterized by an average particle size from about 0.1 μm to about 500 μm. The solid-state lubricant is preferably distributed throughout the coating.

Verschleißfestes und selbstregenerierendes Schmieröl

Ein Schmieröl umfasst ein Grundöl; und ein Verschleißschutzadditiv, das Mikrokapseln, Nanokapseln oder eine Kombination, die mindestens eines der Vorstehenden umfasst, umfasst; wobei die Mikrokapseln und die Nanokapseln jeweils unabhängig einen Kern aus einem Neutralisationsmaterial und einem polymeren Verkapselungsmittel aufweisen, das dazu konfiguriert ist, das Neutralisationsmaterial in einer sauren Umgebung durch Aufbrechen von Vernetzungen oder Wasserstoffbrückenbindungen in dem polymeren Verkapselungsmittel freizusetzen. Das freigesetzte Neutralisationsmaterial kann die Bildung von viskosen Molekülen mit hohem Molekulargewicht verhindern, wodurch die Lebensdauer des Schmieröls erhöht und seine Zuverlässigkeit verbessert werden.

Electrorheological fluid having properties of newtonian fluid

An electrorheological fluid is provided. The electrorheological fluid includes polarizing particles and a dispersion medium in which the polarizing particles are dispersed. The polarizing particles may include silica particles. The dispersion medium may include silicon oil. The silicon oil may be modified silicon oil including at least one functional group selected from the group consisting of a hydroxyl group (OH group), an amine group (NH2 group), a mercapto group (SH group), and a carboxy group (COOH group).

Auxiliary emergency protective lubrication system for metal mechanical components

An auxiliary lubricant comprising a composition, the comprising intermediate molecular weight surfactant-functionalized nanoparticles dispersed in a base oil.

Plättchenförmige Eisenpigmente, magnetorheologisches Fluid und Vorrichtung

Die Erfindung betrifft plättchenförmige Eisenpigmente hergestellt durch Verformung von Carbonyleisenpulver, wobei die plättchenförmigen Eisenpigmente eine Größenverteilung von einem D50-Wert aus einem Bereich von 3 bis 16 μm und ein Größen-Dicken-Verhältnis aus einem Bereich von 2 bis 50 aufweisen. Die Erfindung betrifft ferner ein magnetorheologisches Fluid, das die erfindungsgemäßen plättchenförmigen Eisenpigmente enthält, als auch eine Vorrichtung, die das magnetorheologische Fluid enthält. The invention relates to platelet-shaped iron pigments produced by shaping carbonyl iron powder, the platelet-shaped iron pigments having a size distribution of a D50 value from a range from 3 to 16 μm and a size-thickness ratio from a range from 2 to 50. The invention further relates to a magnetorheological fluid which contains the platelet-shaped iron pigments according to the invention, and also to a device which contains the magnetorheological fluid.

Gleitharzzusammensetzung

Gleitharzzusammensetzung, umfassend: ein Fluorharz; und Calciumfluorid und ein Fluorharzfilm-bildendes Mittel, die in dem Fluorharz enthalten sind, dadurch gekennzeichnet, dass das Calciumfluorid in partikulärer Form in dem Fluorharz dispergiert ist und das Fluorharzfilm-bildende Mittel in einer Partikeloberfläche des Calciumfluorids eingebettet ist in einem Zustand, in dem die gesamten Partikel des Fluorharzfilm-bildenden Mittels vollständig in die Partikeloberfläche von Calciumfluorid eingebettet sind, oder in einen Zustand des Anhaftens, in dem ein Teil der Oberfläche der Partikels des Fluorharzfilm-bildenden Mittels in die Partikeloberfläche von Calciumfluorid eingebettet sind; wobei das Fluorharzfilm-bildende Mittel eine oder mehrere anorganische Verbindungen ausgewählt aus der Gruppe bestehend aus Calciumphosphat, Bariumphosphat, Magnesiumphosphat, Lithiumphosphat, Lithiumtriphosphat, Calciumtriphosphat, Calciumhydrogenphosphat oder das Anhydrid davon, Magnesiumhydrogenphosphat oder ...

composto intermetálico magnetizado e um óleo lubrificante contendo o mesmo

Nanoparticle macro-compositions

Embodiments of the present invention may include a macro-composition with a special structure. The structure includes a layered macro-composition made of a nanoparticle as an inner nucleus, an intermediate layer around the nucleus, and an outer layer intercalated with the nucleus or encapsulating the nucleus and the intermediate layer. A plurality of the layered macro-compositions is bonded together by bonds, so that each layered macro-composition is bonded to at least one other such layered macro-composition. Embodiments include a macro-composition made of three 3-layered macro-compositions joined in a chain by two bonds. These macro-composition assemblies may take the shape of layered macro-compositions bonded together in chains, or forming other shapes, such as rings. The layered macro-composition may be no more than about 100 nanometers in size, for example. The bonds of the complex macro-composition may have an average length of no more than about 100 nanometers, for example. Embodiments ...

Metal soap-coated particle article made with the same process for production lubricating coating agent and lubricating film

Particles each of which consists of an inorganic polyvalent metal compound as a nucleus and a coating of a metallic soap of the polyvalent metal coating the nucleus (coated particles); products and preparation processes using the particles; a lubricating coating forming agent wherein particles each of which consists of a polyvalent metal salt of phosphoric acid as a nucleus and a coating of a metallic soap of the polyvalent metal coating the surface of the nucleus are suspended in an aqueous solution of a water soluble inorganic salt and/or a water soluble organic acid salt; and a lubricating coating. The coated particles are novel particles which can be used as an ingredient of coating-type lubricating coating; are excellent in seizure resistance; can inhibit wear of tools at the time of plastic working since the friction coefficient of the surface of the particles is low; and are slow to cause pollution of working oils. Lubricating coating obtained by applying the lubricating coating ...

Multifunctional particulate material, fluid, and composition

A multifunctional particulate material, fluid, or composition includes a predetermined amount of core particles with a plurality of coatings. The core particles have an average particle size of about 1 nm to 500 μm. The particulate material, fluid, or composition is capable of exhibiting one or more properties, such as magnetic, thermal, optical, electrical, biological, chemical, lubrication, and rheological.

Surface Conditioning Nanolubricant

A nanolubricant composition is described where the lubricant composition includes a flowable oil or grease with nanoparticles dispersed in the flowable oil or grease. The nanoparticles are configured to polish a surface of a structure slowly over a period of time. The nanoparticles a hardness of at least about 7 Mohs and a diameter that is less than one half the arithmetic average roughness of the surface or a length that is less than one half of the arithmetic average roughness of the surface.

Thermally conductive silicone grease composition

A thermally conductive silicone grease composition comprising at least the following components: an organopolysiloxane (A) represented by the following general formula: [wherein R1 designates identical or different univalent hydrocarbon groups; X designates identical or different univalent hydrocarbon groups or alkoxysilyl-containing groups of the following general formula: -R2-SiR 1a (OR3) (3-a) (wherein R1 designates the previously mentioned groups; R2 designates oxygen atoms or alkylene groups; R3 designates alkyl groups; and "a" is an integer ranging from 0 to 2); and "m" and "n" are integers equal to or greater than 0, respectively]; a thermally conductive filler (B); and an organopolysiloxane (C) having silicon-bonded hydrogen atoms on both molecular terminals and in the molecular chains; is characterized by excellent resistance to heat and reduced oil bleeding.

LUBRICANT COMPOSITION

Metal nanoparticles as lubricant additives

A lubricant composition comprising: (i) silver or gold nanoparticles, each of which is encapsulated by a layer of alkylthiol or alkylamine molecules; (ii) palladium or platinum nanoparticles, each of which is encapsulated by a layer of alkylthiol or alkylamine molecules; and (iii) a fluid in which components (i) and (ii) are present. Further described are methods for applying the lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction and wear reduction and/or corrosion inhibition.

composição de óleo compreendendo nanopartículas funcionalizadas

Method of Making Carbon Nanotube Dispersions for the Enhancement of the Properties of Fluids

A method for the preparation of carbon nanotube modified fluids such, that the dispersion of nanotubes in such fluids, exampled by those which are oil based is enhanced through the combined use of mechanical, sonic and ultrasonic devices.

VERNIZES LUBRIFICANTES A BASE DE FLUORETO DE GRAFITE E PROCESSOS PARA A SUA PREPARACAO E SUA APLICACAO

lubricating composition

Sliding member and sliding machine

A sliding member has a sliding surface sliding under a wet condition in which a lubricant oil exists. The sliding surface is coated with a laminate film comprising an upper layer and a lower layer. The lower layer comprises hydrogen-free amorphous carbon (hydrogen-free DLC) and carbon particles dispersed on or in the hydrogen-free DLC. The hydrogen-free DLC has a hydrogen content of 5 atom % or less when the lower layer as a whole is 100 atom %. The upper layer comprises boron-containing amorphous carbon (B-DLC) and has protrusions on a surface side of the upper layer along the carbon particles of the lower layer. The B-DLC has a boron content of 1-40 atom % when the upper layer as a whole is 100 atom %. The protrusions have a particle diameter of 0.5-5 μm and exist with a density of 20 protrusions/100 μm2 or more.

Polymeric-inorganic particles useful as lubricant additives

The invention relates to polymeric-inorganic nanoparticles and preparation processes thereof. The invention also relates to a powder, concentrate and lubricating composition comprising these polymeric-inorganic nanoparticles, to a method of dispersing nanoparticles in lubricating oil, as well as the use of these polymeric-inorganic particles in an oil lubricant formulation to reduce pour point, friction and wear.

Hybrid Nanolubricant

A nanolubricant composition is described where the lubricant composition includes a flowable oil or grease with a multi-component nanoparticle dispersed in the flowable oil or grease. The multi-component nanoparticle includes a first nanoparticle component which effects thermal conductivity at a part interface and a second nanoparticle component which effects shearing at a part interface.

Composition comprising 1-chloro-3,3,3-trifluoropropene

A composition including at least one lubricant including polyol esters and a refrigerant fluid F including 1-chloro-3,3,3-trifluoropropene. Also, a composition including at least one lubricant based on polyol esters and a refrigerant fluid F including 1-chloro-3,3,3-trifluoropropene and at least one C3 to C6 alkene stabilizing compound including a single double bond. Also, different uses of the compositions.

WATER-BASED LUBRICATING COATING AGENT FOR METAL MATERIAL, SURFACE-TREATED METAL MATERIAL, AND METHOD FOR FORMING LUBRICATING COATING FOR METAL MATERIAL

CAPPED PARTICLES FOR USE IN LUBRICANTS

The present invention relates to additives for use in lubricant compositions to processes for producing the additives, and to the use of the additives in lubricants and in systems that are lubricated. More specifically, the additive includes a capped particle comprising: (i) one or more inorganic core particles; and (ii) one or more multi-block copolymers attached to the inorganic particles. The multi-block copolymer includes at least one nonpolar polymer block interposed between two polar polymer blocks. One polar polymer block is attached to the core particle, and at least a portion of the another polar polymer block is not directly attached to, the core particle. When used in a lubricant to lubricate a metallic surface of a workpiece, the capped particle preferably adheres to the metallic surface of the workpiece.

Schmierfettzusammensetzung

Die Erfindung betrifft eine Schmierfettzusammensetzung mit einem größeren Anteil Schmiergrundöl, wenigstens einem Verdickungsmittel und wenigstens einem Mittel zur Verminderung des Reibwerts, wobei das Mittel zur Verminderung des Reibwerts ein Metalloxid mit einer spezifischen Oberfläche von wenigstens 100 m·2·/g umfaßt und aus der aus Titanoxid, Siliciumdioxid, Aluminiumoxid und Zinndioxid bestehenden Gruppe ausgewählt ist.

Ölzusammensetzung umfassend funktionalisierte Nanoteilchen

Es wird eine verbesserte Ölzusammensetzung offenbart. Die Ölzusammensetzung beinhaltet ein Basisöl, das einen Kohlenwasserstoff umfasst, wobei das Basisöl eine Ausgangswärmeleitfähigkeit aufweist. Die Ölzusammensetzung beinhaltet auch ein erstes Additiv, das eine Vielzahl von derivatisierten ersten additiven Nanoteilchen umfasst, die innerhalb des Basisöls dispergiert sind, um ein eine modifizierte Wärmeleitfähigkeit aufweisendes modifiziertes Öl zu bilden, wobei die modifizierte Wärmeleitfähigkeit größer ist als die Ausgangswärmeleitfähigkeit. Alternativ beinhaltet eine verbesserte Ölzusammensetzung ein Basisöl, das einen Kohlenwasserstoff und ein erstes Additiv umfasst, welches eine Vielzahl von derivatisierten ersten additiven Nanoteilchen umfasst, die innerhalb des Basisöls dispergiert sind, um ein modifiziertes Öl zu bilden, das eine stabilisierte Suspension der derivatisierten ersten additiven Nanoteilchen im Basisöl umfasst. An improved oil composition is disclosed. The oil composition includes a base oil comprising a hydrocarbon, the base oil having an initial thermal conductivity. The oil composition also includes a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified thermal conductivity modified oil, wherein the modified thermal conductivity is greater than the initial thermal conductivity. Alternatively, an improved oil composition includes a base oil comprising a hydrocarbon and a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil containing a stabilized suspension of the derivatized first additive nanoparticles in base oil.

Shock absorber fluid composition containing nanostructures

The introduction of nanostructures in a liquid provides a means for changing the physical and/or chemical properties of the liquid. Improvements in heat transfer, electrical properties, viscosity, and lubricity can be realized upon dispersion of nanotubes in liquids. Stable dispersions of nanostructures are described and surfactants/dispersants are identified which can disperse nanostructures in petroleum liquid medium. The appropriate dispersant is chosen for the selected nanostructure material and the oil based medium and the dispersant is dissolved into the liquid medium to form a solution. The nanostructure is added to the dispersant containing the solution with agitation, ultrasonication, and/or combinations thereof. Nanostructures dispersed in a fluid form a nanofluid utilized as a shock absorber oil whereby the nanostructures serve to improve the viscosity index of the fluid or more particularly the shock absorber oil in the form of a lubricant additive.

NANO-ADDITIVES ENABLED ADVANCED LUBRICANTS

Extrudable crosslinked grease type heat radiating material

In a conventional heat conductive silicone rubber composition or heat conductive silicone oil composition, the typical forms are a molded article or only coated; however, any shape can be extruded from a container (syringe or tube and the like) according to the present invention, and filled between exothermic body and radiating body in any shape and space, for example, even maintained in an oblique state and under a slight load, the shape of it can be maintained (self-conformal property). Therefore, a heat radiating material useful in a new type method (application and filling method), a container filled and sealed with it, a process, for manufacturing the container, and a method of using the container to dissipate the heat of various machines are provided. Provided are an extrudable crosslinked grease type heat radiating material, a contained filled with it, a process for manufacturing the container, and a heat radiation method using it, wherein a crosslinked grease type heat radiating ...

Oil composition comprising functionalized nanoparticles

An improved oil composition is disclosed. The oil composition includes a base oil comprising a hydrocarbon, the base oil having a base thermal conductivity. The oil composition also includes a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil having a modified thermal conductivity, wherein the modified thermal conductivity is greater than the base thermal conductivity. Alternately, an improved oil composition includes a base oil comprising a hydrocarbon and a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil comprising a stabilized suspension of the derivatized first additive nanoparticles in the base oil.

Anti-degradation and self-healing lubricating oil

A lubricating oil comprises a base oil; and an anti-degradation additive comprising microcapsules, nanocapsules, or a combination comprising at least one of the foregoing; the microcapsules and the nanocapsules each independently having a core of a neutralizing material and a polymeric encapsulant configured to release the neutralizing material in an acidic environment by breaking crosslinks or hydrogen bonds in the polymeric encapsulant. The released neutralizing material can prevent the formation of viscous, high molecular weight molecules thus enhancing the lifetime of the lubricating oil and improving its reliability.

可用作润滑剂添加剂的聚合物-无机粒子

本发明涉及聚合物‑无机纳米粒子和它们的制备方法。本发明还涉及包含这些聚合物‑无机纳米粒子的粉末、浓缩物和润滑组合物，涉及将纳米粒子分散在润滑油中的方法，以及这些聚合物‑无机粒子在油润滑剂配制剂中用于降低倾点、摩擦和磨损的用途。

Drag reducing compositions and methods of manufacture and use

A drag reducing composition for use in hydrocarbon streams which contains a finely divided, solid polyolefin friction reducing agent, a suspending medium comprised of water and a liquid organic carrier containing from 10 to 14 carbon atoms and having at least one hydroxyl group and a partitioning agent comprising a compound having a hydrophobic group and a hydrophilic group and exhibiting at least some surface activity.

Drag reducing compositions and methods of manufacture and use

A drag reducing composition comprising a finely divided, solid polyolefin friction reducing agent formed from olefins containing from 2 to 30 carbon atoms, the polyolefin drag reducing agent suspended in a suspending medium and comprising 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate containing up to 10% by weight of water.

Use of crosslinked microgels for modifying the temperature-dependent behaviour of non-crosslinkable organic media

Use of cross-linked microgel (B) as a rheological additive for the modification of the non-cross-linkable organic medium (A) at at least 100[deg]C.

Aqueous lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material

本发明提供一种金属材料用水系润滑被膜剂，在塑性加工、加压成形等时也可以实现优异的润滑性，并且可以同时解决操作性(缩短工序、减少淤渣等)，能够同时进行化成处理和润滑处理。本发明的金属材料用水系润滑被膜剂的特征在于，是配合黑色系固体润滑剂以外的至少一种润滑成分；和选自磷酸化合物、草酸化合物、钼酸化合物、锆化合物、以及钛化合物中的至少一种化成成分而成的pH为2.0～6.5的金属材料用水系润滑被膜剂，所述润滑成分的浓度以相对于所述润滑被膜剂中的全部固体成分质量而言的质量比计为5质量％以上，在将所述润滑被膜剂的总质量设为100质量％的情况下，所述化成成分的浓度为0.3～8质量％。

Nanoparticle macro-compositions

Embodiments of the present invention may include a macro-composition with a special structure. The structure includes a layered macro-composition made of a nanoparticle as an inner nucleus, an intermediate layer around the nucleus, and an outer layer intercalated with the nucleus or encapsulating the nucleus and the intermediate layer. A plurality of the layered macro-compositions is bonded together by bonds, so that each layered macro-composition is bonded to at least one other such layered macro-composition. Embodiments include a macro-composition made of three 3-layered macro-compositions joined in a chain by two bonds. These macro-composition assemblies may take the shape of layered macro-compositions bonded together in chains, or forming other shapes, such as rings. Embodiments may be added to lubricants such as oil or grease, to increase their performance.

Manufacturing method of containers filled and sealed with extrudable grease-like heat dissipation material

Use of crosslinked microgels for modifying the temperature-dependent behaviour of non-crosslinkable organic media

Die Erfindung betrifft die Verwendung von Mikrogelen zur Modifikation des Temperaturverhaltens von nicht-vernetzbaren organischen Medien insbesondere in Hochtemperaturanwendungen bei mindestens etwa 100°C, wie in Motorölen, Getriebeölen etc.

LUBRICANT VARNISH BASED ON GRAPHITE FLUORIDE AND PROCESSES FOR THEIR PREPARATION AND APPLICATION

VERNIS LUBRIFIANT POUR METAUX OBTENUS PAR MELANGE D'UNE DISPERSION DE FLUORURE DE GRAPHITE DANS LA GLYCERINE AVEC UNE DISPERSION AQUEUSE DE FLUORURE DE GRAPHITE, STABILISEE PAR LE SEL DE SODIUM D'UN CONDENSAT D'ACIDE NAPHTALENESULFONIQUE AVEC LE FORMOL.

COMPOSITION BASED ON 1-CHLORO-3,3,3-TRIFLUOROPROPENE

L'invention concerne une composition comprenant au moins un lubrifiant à base d'esters de polyol et un fluide frigorigène F comprenant du 1-chloro-3,3,3-trifluoropropène . L'invention concerne également diverses utilisations de cette composition.

Thermally conductive silicone grease composition

하기 화학식의 오가노폴리실록산(A): [상기 화학식에서, R 1 은 동일하거나 상이한 1가 탄화수소 그룹을 나타내며; X는 동일하거나 상이한 1가 탄화수소 그룹 또는 화학식 -R 2 -SiR 1 a (OR 3 ) (3-a) (여기서, R 1 은 앞서 언급한 그룹을 나타내며, R 2 는 산소 원자 또는 알킬렌 그룹을 나타내고, R 3 은 알킬 그룹을 나타내며, "a"는 0 내지 2 범위의 정수이다)의 알콕시실릴-함유 그룹을 나타내고; "m" 및 "n"은 각각 0 이상의 정수이다] 열전도성 충전제(B) 및 양 분자 말단 및 분자 쇄에 규소-결합된 수소 원자를 갖는 오가노폴리실록산(C) 를 적어도 포함하는, 열전도성 실리콘 그리스 조성물은 우수한 내열성 및 감소된 오일 블리딩(oil bleeding)을 특징으로 한다. Organopolysiloxanes of the formula (A): [Wherein, in the above formula, R 1 represents the same or different monovalent hydrocarbon group; X represents the same or different monovalent hydrocarbon group or a group represented by the formula -R 2 -SiR 1 a (OR 3 ) (3-a) (wherein R 1 represents the above-mentioned group and R 2 represents an oxygen atom or an alkylene group , R 3 represents an alkyl group, and "a" represents an integer ranging from 0 to 2; "m" and "n" The thermally conductive fillers (B) and Organopolysiloxane (C) having both molecular terminals and a silicon-bonded hydrogen atom on the molecular chain , Is characterized by excellent heat resistance and reduced oil bleeding.

Process for cold plastic working of metallic materials

Particles each of which consists of an inorganic polyvalent metal compound as a nucleus and a coating of a metallic soap of the polyvalent metal coating the nucleus (coated particles); products and preparation processes using the particles; a lubricating coating forming agent wherein particles each of which consists of a polyvalent metal salt of phosphoric acid as a nucleus and a coating of a metallic soap of the polyvalent metal coating the surface of the nucleus are suspended in an aqueous solution of a water soluble inorganic salt and/or a water soluble organic acid salt; and a lubricating coating. The coated particles are novel particles which can be used as an ingredient of coating-type lubricating coating; are excellent in seizure resistance; can inhibit wear of tools at the time of plastic working since the friction coefficient of the surface of the particles is low; and are slow to cause pollution of working oils. Lubricating coating obtained by applying the lubricating coating forming agent onto the surface of a metallic material gives excellent cold plastic working properties, namely lubricity and seizure resistance to the metallic material.

Process for preparing lubrication varnishes for metals

,СПОСОБ ПОЛУЧЕНИЯ СМАЗОЧНЫХ ЛАКОВ ДЛЯ МЕТАЛЛОВ путем диспергировани  в воде фторида графита в присутствии поверхностно-активного вещества, от.личающий с  тем,, что, с целью повьпиени  адгезионных и антифрикционных свойств смазоч ных лаков, в воде диспергируют 5-50 мае.% фторида графита, в качестве поверхностно-активного вещества используют 5-15 мас.% натриевой соли продукта конденсации нафталинсульфо- кислоты с формальдегидом и полученную водную дисперсию перемешивают со смесью фторида графита с глицерином в их массовом соотношении 1:2 с получением суммарного массового отно- g шени  фторида графита к глицерину СО 0,5-0,8. , THE METHOD OF OBTAINING LUBRICANT VARNISHES FOR METALS by dispersing graphite fluoride in water in the presence of a surfactant, which differs from the fact that, in order to increase the adhesion and antifriction properties of lubricating varnishes, 5-50% by weight of fluoride is dispersed in water graphite, as a surfactant use 5-15 wt.% sodium salt of the condensation product of naphthalenesulfonic acid with formaldehyde and the resulting aqueous dispersion is mixed with a mixture of graphite fluoride in glycerol in their mass ratio 1: 2 to obtain a total mass ratio of graphite fluoride to glycerol CO 0.5-0.8.

Lubricant for powder metallurgical compositions

The present invention concerns an iron-based powder metallurgical composition comprising an iron or iron- based powder and a particulate composite lubricant, said composite lubricant comprising particles having a core comprising a solid organic lubricant having fine carbon particles adhered thereon. The invention further relates to the particulate composite lubricant and a method for producing the same.

A method for preparing an organometallic salt composition, as well as the use of the composition in a lubricant additive

The purpose of the present invention is to provide organometallic salt compositions, prepared by the present innovative method, to produce such compositions that are useful as lubricant additives and/or in lubricant additive compositions, to reduce friction and wear, and also have improved solubility, stability and significantly reduced tendency to agglomerate or form sediments.

Process for protecting contact surfaces between two metallic parts that benefit from such protection

Protection des surfaces de contact de deux pièces métalliques sujettes à des mouvements relatifs. Le procédé consiste à recouvrir au moins l'une desdites surfaces d'un matériau auto-lubrifiant composite (22) constitué exclusivement de particule s de graphite (12) reparties dans une matrice de nickel (13). Protection of the contact surfaces of two metal parts subject to relative movements. The method comprises coating at least one of said surfaces with a composite self-lubricating material (22) consisting exclusively of graphite particles (12) distributed in a nickel matrix (13).

Grease composition, mechanism component, and production method for grease composition

The present invention addresses the problem of providing a grease composition that uses hydrophilic nanofibers but still has excellent water resistance and does not readily experience oil separation. A grease composition that contains a base oil, hydrophilic nanofibers that have a thickness (d) of 1–500 nm, and organic bentonite.

Patent FR2469438B1

Powder lubricant for plunger device

The powder lubricant for plunger device of this invention is a mixture of a powdered or granulated lubricant base material used for a lubricant in a solid form, with an organic compound giving an adhesion ability to the lubricant base material. The most outstanding feature of this invention is that the lubricant base material has the powdered or granulated form. Effect of this invention are that occurrence of defects inside products can be positively avoided, dangers such as fire etc. and environmental pollution can be prevented, and sliding of plunger can be made smooth to improve the workability.

Use of nanoscale materials in a composition for preventing symptoms of fatigue in the surface-closed structure of drive elements

본 발명은 피로손상을 예방하기 위하여 구동부품 표면에 적용할 수 있는 조성물 내 나노스케일 물질의 용도에 관한 것이다. 특히, 본 출원에서, 구동부품의 표면은 그레이 스테이닝(gray staining), 표면피로(surface fatigue) 및 마이크로피팅(micropitting)의 형성으로부터 보호될 수 있다. 그러므로써 표면 위 피로손상의 발생이 예방 또는 감소된다.

Solid dry-type lubricant

One or more techniques and/or systems are disclosed for a dry-type lubricant for use in a dry product hopper to help improve dry product flow and to improve anti jamming properties of the dry product. The example lubricant can comprise a hydrophilic fiber, such as cellulose, having a width to length aspect ratio that provides a thin fiber. A plurality of hydrophobic particles are deposited on the surface of the fiber, resulting in a fiber surface exhibiting amphiphobic properties. Further, the fiber can operably absorb water, and then releases the absorbed water to the surface of the fiber under mechanical stress, such as when mixed with a product in a hopper. This can result in the water being disposed on the surface of the fiber, to provide lubrication to a product in a hopper to improve flow and anti jamming characteristics of the product in the hopper.

Patent JPS637225B2

Metal soap-coated particle, article made with the same, lubricating coating agent, and lubricating coating film

Multifunctional particulate material, fluid, and composition

A multifunctional particulate material, fluid, or composition includes a predetermined amount of core particles with a plurality of coatings. The core particles have an average particle size of about 1 nm to 500 μm. The particulate material, fluid, or composition is capable of exhibiting one or more properties, such as magnetic, thermal, optical, electrical, biological, chemical, lubrication, and rheological.

Nanoparticle organic hybrid materials (nohms)

A nanoparticle organic hybrid material (NOHM) containing an organic polymeric corona having a molecular weight in a range of 100-50,000 g/mol, wherein the organic polymeric corona is covalently attached to an inorganic nanoparticle core, wherein the NOHM exhibits liquid-like properties so that the NOHM moves freely and flows in a manner so that when the NOHM is in a container, the NOHM takes the shape of the container, and wherein the NOHM has a volume fraction (fc ) of the inorganic particle ranging from about 0.05 to 0.75, methods of making the NOHMs, and compositions containing the NOHMs.

Extrudable bridged grease-like heat radiating material, container sealingly filled with the material, method of manufacturing the container, and method of radiating heat by the use thereof

The present invention provides an extrudable, crosslinked, grease-like heat-radiating material which can find completely new ways of use (in terms of methods of operation and putting it in a service area), because it can be formed into any shape after it is extruded from the container in which it is held (e.g., syringe or tube) to be put or placed in a gap of any shape between a heat-generating body and heat-radiating body, where it keeps shape self-retainability even when kept under a very light load, e.g., kept on a slanted plate, unlike the conventional thermoconductive silicone rubber composition or thermoconductive silicone oil compound, whose applicable areas are limited to formed articles, represented by sheet, and coating. The present invention also provides a container filled with and sealing the extrudable, crosslinked, grease-like heat-radiating material, process for producing the container, and method of heat radiation using the container. More specifically, the present invention provides the extrudable, crosslinked, grease-like heat-radiating material comprising a crosslinked silicone gel (A) dispersed with a thermoconductive filler (B) and shape self-retainable in spite of being fluid, wherein the thermoconductive filler (B) is incorporated at 5 to 500 parts by weight per 100 parts by weight of the crosslinked silicone gel (A); container filled with and sealing the extrudable, crosslinked, grease-like heat-radiating material; process for producing the container; and method of heat radiation using the container put or placed in a gap between a heat-generating body and heat-releasing body.

Lubricant for powder metallurgical compositions

The present invention concerns an iron-based powder metallurgical composition comprising an iron or iron- based powder and a particulate composite lubricant, said composite lubricant comprising particles having a core comprising a solid organic lubricant having fine carbon particles adhered thereon. The invention further relates to the particulate composite lubricant and a method for producing the same.

Drag reducing compositions and methods of manufacture and use

A drag reducing composition comprising a finely divided, solid polyolefin friction reducing agent formed from olefins containing from 2 to 30 carbon atoms, the polyolefin drag reducing agent suspended in a suspending medium and comprising 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate containing up to 10% by weight of water.

Lubricant composition

【課題】 優れた潤滑性を有する潤滑油組成物の提供。【解決手段】 基油と、ナノ粒子及び前記ナノ粒子の表面の少なくとも一部を被覆するホスホン酸からなる被覆粒子と、を含むことを特徴とする、潤滑油組成物。【選択図】なし

Polymeric-inorganic particles useful as lubricant additives

The invention relates to polymeric-inorganic nanoparticles and preparation processes thereof. The invention also relates to a powder, concentrate and lubricating composition comprising these polymeric-inorganic nanoparticles, to a method of dispersing nanoparticles in lubricating oil, as well as the use of these polymeric-inorganic particles in an oil lubricant formulation to reduce pour point, friction and wear.

Resistance reducing compositions and manufacturing and use methods

Una composición reductora de la resistencia que comprende: del 10 al 45 % en peso, en base a la composición reductora de la resistencia, un agente reductor de la fricción a la poliolefina sólido finamente dividido formado a partir de monolefinas que contienen de 2 a 30 átomos de carbono; y del 50 al 80 % en peso, en base a la composición reductora de la resistencia, un medio de suspensión, comprendiendo dicho medio de suspensión monoisobutirato de 2,2,4-trimetil-1,3-pentanodiol y agua del 0 al 10 % en peso de la composición reductora de la resistencia, estando dicho medio de suspensión presente en una cantidad para proporcionar una suspensión fluida de dicho agente reductor de la fricción a la poliolefina. A resistance reducing composition comprising: from 10 to 45% by weight, based on the resistance reducing composition, a finely divided solid polyolefin friction reducing agent formed from monolefins containing from 2 to 30 carbon atoms; and from 50 to 80% by weight, based on the resistance reducing composition, a suspension medium, said suspension means comprising 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate and water from 0 to 10 % by weight of the resistance reducing composition, said suspension means being present in an amount to provide a fluid suspension of said friction reducing agent to the polyolefin.

Solid particle, solid lubricant, and metal member

The object of the present invention is to provide a solid particle with improved lubricating properties, a solid lubricant comprising the solid particle, and a metal member having on the surface the solid particle or the solid lubricant. The present invention is a solid particle characterized in that carbon fluoride particles are affixed to the surface of a parent particle.

Polymer Inorganic Particles Useful as Lubricating Additives

Powder lubricant for plunger device

The present invention relates to a powder lubricant for a plunger device used in a diecasting machine. The powder lubricant is comprised of a mixture of a powdered or granulated lubricant base material composed of an inorganic compound used for a lubricant in a solid form, with an organic compound providing an adhesion ability to the lubricant base material. Both have a powdered or granulated form or have a form in which the lubricant base material is covered by the organic compound. The effects of the invention are that the occurrence of defects inside diecast products can be reduced, dangers such as fire etc. and environmental pollution can be reduced, and the sliding of the plunger can be made smooth to thereby improve the workability.

Thermally conductive silicone grease composition

A thermally conductive silicone grease composition comprising at least the following components: an organopolysiloxane (A) represented by the following general formula: [wherein R 1 designates identical or different univalent hydrocarbon groups; X designates identical or different univalent hydrocarbon groups or alkoxysilyl-containing groups of the following general formula: —R 2 —SiR 1 a(OR 3 ) (3-a) (wherein R 1 designates the previously mentioned groups; R 2 designates oxygen atoms or alkylene groups; R 3 designates alkyl groups; and ‘a’ is an integer ranging from 0 to 2); and ‘m’ and ‘n’ are integers equal to or greater than 0, respectively]; a thermally conductive filler (B); and an organopolysiloxane (C) having silicon-bonded hydrogen atoms on both molecular terminals and in the molecular chains; is characterized by excellent resistance to heat and reduced oil bleeding.

Thermally conductive silicone grease composition

A thermally conductive silicone grease composition comprising at least the following components: an organopolysiloxane (A) represented by the following general formula : [wherein R1 designates identical or different univalent hydrocarbon groups; X designates identical or different univalent hydrocarbon groups or alkoxysilyl-containing groups of the following general formula: -R2-SiR1a (OR3)(3-a) (wherein R1 designates the previously mentioned groups; R2 designates oxygen atoms or alkylene groups; R3 designates alkyl groups; and 'a' is an integer ranging from 0 to 2); and 'm' and 'n' are integers equal to or greater than 0, respectively]; a thermally conductive filler (B); and an organopolysiloxane (C) having silicon-bonded hydrogen atoms on both molecular terminals and in the molecular chains; is characterized by excellent resistance to heat and reduced oil bleeding.

METHOD OF SURFACE PROTECTION OF MECHANICAL CONTACT BETWEEN TWO METAL PARTS ON WHICH SUCH PROTECTION IS USED

Inert wear resistant fluoropolymer-based solid lubricants, methods of making, and methods of use

Surfaces having oil/ptfe lubricant and method for producing said surfaces

Die Erfindung bezieht sich auf das Gebiet der Chemie und betrifft Oberflächen mit Öl-PTFE-Schmierstoff, wie sie beispielsweise im Maschinenbau, eingesetzt werden. Aufgabe der vorliegenden Erfindung ist es, Oberflächen mit Öl-PTFE-Schmierstoff anzugeben,die stabil und langzeitwirksam miteinander verbunden sind. Die Aufgabe wird gelöst durch Oberflächen mit Öl-PTFE-Schmierstoff, bei denen PTFE-Partikel über –COF-und/oder –COOH-Gruppen und über radikalisch gekoppelte Phosphit-und/oder Phosphonat-und/oder Phosphat-und/oder Sulfonat- und/oder Sulfat-und/oder Silan-Gruppen nach einer reaktiven Umsetzung unter mechanischer Beanspruchung mit der Oberfläche über koordinative Bindungen und/oder Ionenbindungen chemisch gekoppelt vorliegen. Die Aufgabe wird weiterhin gelöst durch ein Verfahren, bei dem modifizierte PTFE-Partikel mit –COF-und –COOH-Gruppen und Perfluoralkyl-(peroxy-)Radikalen in einem Öl oder einem Ölgemisch mit <10 Ma.-% organischenolefinisch ungesättigten Phosphit-und/oder Phosphonat-und/oder Phosphat-und/oder Sulfonat-und/oder Sulfat-und/oder Silan-Verbindungen unter mechanischer Beanspruchung dispergiert und nachfolgend mit der Oberfläche kontaktiertwerden.

Lamina-like iron pigments, magnetorheological fluid and device

The invention relates to lamina-like iron pigments produced by the deformation of carbonyl iron powder, the lamina-like iron pigments having a size distribution of a D- 50 value in a range of 3 to 16 μm and a size-to-thickness ratio in a range of 2 to 50. The invention further relates to a magnetorheological fluid containing the lamina-like iron pigments according to the invention, and to a device containing the magnetorheological fluid.

Nanoparticle organic hybrid materials (NOHMS)

一种纳米颗粒有机杂交材料(NOHM)，包含具有在100-50,000g/mol范围内的分子量的有机聚合冠，其中所述有机聚合冠被共价附接于无机纳米颗粒核，所述NOHM呈现类似液体的特性，从而NOHM自由移动并且以NOHM处于容器中时呈现该容器形状的方式流动，并且NOHM具有从大约0.05到0.75的范围内的无机颗粒体积分数(fc)，制造该NOHM的方法和包含所述NOHM的组合物。

Medical devices with variable stiffness

Medical devices capable of having variable stiffness, and related methods, a re disclosed. In some embodiments, a medical device includes an elongated membe r (20) adapted to be inserted into a subject, and an electrorheological fluid carried by the elongated member.

Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material

Multifunctional particulate material, fluid, and composition

A multifunctional particulate material, fluid, or composition includes a predetermined amount of core particles with a plurality of coatings. The core particles have an average particle size of about 1 nm to 500 ~m. The particulate material, fluid, or composition is capable of exhibiting one or more properties, such as magnetic, thermal, optical, electrical, biological, chemical, lubrication, and rheological.

Surface conditioning nanolubricant

A nanolubricant composition is described where the lubricant composition includes a flowable oil or grease with nanoparticles dispersed in the flowable oil or grease. The nanoparticles are configured to polish a surface of a structure slowly over a period of time. The nanoparticles a hardness of at least about 7 Mohs and a diameter that is less than one half the arithmetic average roughness of the surface or a length that is less than one half of the arithmetic average roughness of the surface.

Anti-decomposing and self-repairing lubricating oil

FIELD: lubricating oil production.SUBSTANCE: invention relates to lubricating oils having anti-decomposing and/or self-repairing properties. Lubricating oil is described containing: base oil and an anti-decomposing additive containing nano-capsules with an average particle size ranging from 1 to 500 nm; nano-capsules have a core of neutralizing material and a polymer shell made with the possibility of releasing neutralizing material in acidic environment, wherein the shell contains pyridine-containing polyurethane, pyridine-containing polyurea, and neutralizing material contains C10-20amine, C10-20alcohol or a combination thereof.EFFECT: creation of lubricating oil with anti-decomposing and/or self-repairing properties.15 cl, 5 dwg

Preparation method of carbon sphere/two-dimensional covalent organic polymer nanoparticles

本发明公开了一种碳球/二维共价有机聚合物纳米颗粒的制备方法，以葡萄糖为碳源，经高压水热反应，得到碳球；将碳球分散于去离子水和无水乙醇的混合溶液中，加入硅烷偶联剂和无水乙醇的混合溶液，在冷凝回流加热条件下进行反应，得到功能化碳球；将功能化碳球分散到N,N‑二甲基甲酰胺中，记为混合溶液A；配制三聚氰胺、三聚氯氰与三乙胺的N,N‑二甲基甲酰胺溶液，记为混合溶液B；将混合溶液B加入到混合溶液A中，超声分散，得到混合溶液C；将混合溶液C转移至水热釜中并加热进行反应；待反应结束，收集产物、离心、洗涤并干燥，得到碳球/二维共价有机聚合物纳米颗粒。

Use of crosslinked microgels for modifying the temperature-dependent behaviour of non-crosslinkable organic media

The invention relates to the use of microgels for modifying the temperature behaviour of non-crosslinkable organic media, in particular in high temperature applications at at least about 100°C, for example in engine oils, gear oils, etc.

Metal soap-coated particle, article made with the same, process for production, lubricating coating agent, and lubricating coating film

Method of manufacturing a sealed container filled with an extrudable cross-linked grease-like heat radiating material

An extrudable bridged grease-like heat radiating material, characterized by having a self-shape holding capability though flowable and in that heat conductive filler (B) is distributed in bridged silicon gel (A) at a rate of 5 to 500 parts by weight in the heat conductive filler (B) to 100 parts by weight in the bridged silicon gel (A); a container sealingly filled with the extrudable bridged grease-like heat radiating material; a method of manufacturing the container; a method of radiating heat from equipment by filling the heat radiating material between a heating body and a radiating body in the equipment by using the container.

Composition based on 1-chloro-3,3,3-trifluoropropene

Composición que comprende al menos un lubricante a base de ésteres de poliol, y un fluido refrigerante F que comprende 1-cloro-3,3,3-trifluoropropeno y al menos un compuesto estabilizante alqueno C3 a C6 y que comprende un único doble enlace. Composition comprising at least one polyol ester-based lubricant, and a refrigerant fluid F comprising 1-chloro-3,3,3-trifluoropropene and at least one C3 to C6 alkene stabilizing compound and comprising a single double bond.

Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material

Provided is a water-based lubricating coating agent for a metal material, capable of carrying out a chemical conversion treatment and a lubrication treatment at the same time, which makes it possible to achieve excellent lubricity even in plastic working, press molding, and the like, and at the same time, operability (e.g., process shortening, sludge reduction). The water-based lubricating coating agent having pH of 2.0 to 6.5 for a metal material is obtained by blending: at least one lubricating component other than black-based solid lubricants; and at least one chemical conversion component selected from the group consisting of a phosphoric acid compound, an oxalic acid compound, a molybdic acid compound, a zirconium compound, and a titanium compound, the concentration of the lubricating component is 5 mass% or more in mass ratio to the total solid content mass in the lubricating coating agent, and the concentration of the chemical conversion component is 0.3 to 8 mass% when the total mass of the lubricating coating agent is regarded as 100 mass%.

Deterioration prevention and self-healing lubricant

윤활유는 기유; 및 마이크로캡슐, 나노캡슐, 또는 전술한 것들 중 적어도 하나를 포함하는 조합물을 포함하는 열화방지 첨가제를 포함하되; 마이크로캡슐 및 나노캡슐은 각각 독립적으로 중화 재료의 코어 및 중합체성 캡슐제에서 가교결합 또는 수소 결합을 파괴시킴으로써 산성 환경에서 중화 재료를 방출시키도록 구성된 중합체성 캡슐제를 갖는다. 방출된 중화 재료는 점성 고분자량 분자의 형성을 방지하므로 윤활유의 수명을 증대시키고 이의 신뢰성을 개선시킬 수 있다. Lubricating oil is a base oil; and an anti-degradation additive comprising microcapsules, nanocapsules, or combinations comprising at least one of the foregoing; The microcapsules and nanocapsules each independently have a core of the neutralizing material and a polymeric encapsulant configured to release the neutralizing material in an acidic environment by breaking cross-links or hydrogen bonds in the polymeric encapsulant. The released neutralizing material prevents the formation of viscous high molecular weight molecules, so it can increase the life of the lubricant and improve its reliability.

Metal soap-coated particles, products using the same, and production methods, and lubricant coatings and lubricant coatings

Lubricant composition

The invention relates to a lubricant composition for application onto the surface of drive elements, the lubricant composition containing a base oil and a silasesquioxane. The composition is suitable for preventing, reducing or avoiding fatigue phenomena in the material of drive elements, such as gray staining, false brinelling and white etching cracks.

Grease composition, mechanism component, and production method for grease composition

COMPOSITION OF LUBRICANT OIL

COMPOSIÇÃO DE ÓLEO LUBRIFICANTE. A invenção fornece uma composição de óleo lubrificante que compreende: um óleo base; e partículas revestidas feitas de nanopartículas e ácido fosfônico revestindo pelo menos uma porção da superfície das nanopartículas. COMPOSITION OF LUBRICATING OIL. The invention provides a lubricating oil composition comprising: a base oil; and coated particles made of nanoparticles and phosphonic acid coating at least a portion of the surface of the nanoparticles.

Extrudable, crosslinked, greasy heat-radiating material, container filled with and sealing the same, process for producing the same container, and heat radiation method using the same container

본 발명은 가교 실리콘 겔(A) 내에 열전도성 충진제(B)를 분산시켜 된 가교제 그리스상 방열재로서, 상기 가교제 그리스상 방열재는, 유동성이 있으면서도 자기보형성을 가지고 있고, 열전도성 충진제(B)의 첨가량은, 가교 실리콘 겔(A) 100 중량부에 대하여 5 ~ 500 중량부인 것을 특징으로 하는 압출가능한 가교제 그리스상 방열재를 제공한다. 본 발명은 또한, 상기 압출가능한 가교제 그리스상 방열재를 충진·봉입한 용기, 그러한 용기의 제조방법, 및 상기 용기를 사용하여 상기 방열재를 기기내의 발열체와 방열체 사이에 충진, 충설시켜서 된 기기에 대한 방열방법을 제공한다.

Threaded joint for steel tube

A threaded joint for steel pipes which is capable of metal-to-metal sealing and which can be subjected to repeated fastening and unfastening without the application of a liquid lubricant containing a heavy metal powder comprises a pin and a box each having a contact surface including a threaded portion and an unthreaded metal contact portion. The contact surface of at least one of the pin and the box are coated with an undercoating layer and a lubricating coating layer atop it. The undercoating layer is a porous metal coating having a porosity of 5 - 80% and a thickness of 1- 30 µm and preferably a hardness of 50 - 250 Hv. The lubricating coating is a solid lubricating coating or a liquid lubricating coating, the latter containing substantially no heavy metal powders. The total thickness of the undercoating layer and the lubricating coating layer is at most 100 µm.

导热性润滑脂组合物

一种非固化性的导热性润滑脂组合物，其包含：A：40℃下的运动粘度为10,000mm 2 /s以下的乙烯·α‑烯烃共聚物100质量份、和B：相对于A成分100质量份，导热性粒子115～580质量份，上述导热性粒子包含：B1：中心粒径为0.1～1μm的无定形氧化铝、且是一部分或全部通过特定的烷氧基硅烷化合物或其部分水解物进行了表面处理的氧化铝55～350质量份、B2：中心粒径为0.1～10μm的板状氮化硼5～60质量份、B3：中心粒径为20～70μm的凝聚氮化硼55～170质量份，以成为B3成分/B2成分＝2～20的质量比例配合。由此，提供不易产生低分子硅氧烷、耐落性高、低比重的导热性润滑脂组合物。

Lackemaille-schmiermittel auf der basis fluorierten graphits und verfahren zu ihrer herstellung und ihrer verwendung.

接点部材、コネクタ、組成物、接点部材の製造方法

本発明は、低電気抵抗および摺動耐久性を両立させた接点部材を提供する。本発明の設定部材は、金属基材と、上記金属基材上の少なくとも一部に配置された被膜とを有する接点部材であって、上記被膜が、極性基を有するフッ素系オイル、および、極性基を有するフッ素系化合物で表面処理された金属粒子を含む。

用于改善燃油经济性和减少摩擦的润滑组合物

本发明涉及通过式(X)和W(Y)定义的根据SAEJ300等级分类的润滑组合物，其中X为0或5；Y是4到20之间的整数，或者X是0，Y是30；所述组合物至少包括：‑至少一种基础油；和‑至少一种具有物体尺寸范围为0.1至500nm的钼或钨硫系纳米物体和相对于纳米物体总重1％至99％重量的式(I)分子，A‑X‑B(I)。

전기자동차용 윤활유 조성물

본 발명의 일 실시예는 베이스오일, 및 상기 베이스오일에 분산되어 있는 나노입자를 포함하되, 상기 나노입자는 코어와 상기 코어를 감싸고 있는 쉘을 포함하며, 상기 쉘은 불포화 지방산과 아민계 화합물 중 적어도 어느 하나 이상을 포함하는, 전기자동차용 윤활유 조성물을 제공하며, 이를 통해 높은 열전도도 및 내마모성을 가지는 전기자동차용 윤활유 조성물을 제공할 수 있다.

Compositions comprising a graphene-based material as lubricant additives

Nanoparticle compositions contain a graphene-based material. A preparation process involves providing several components and milling a mixture. The nanoparticle compositions can be used as a lubricant additive to improve tribological performance, in particular to improve anti-friction and anti-wear performance on metal parts. A corresponding lubricant composition contains these nanoparticle compositions.

Nano-additives enabled advanced lubricants

The presently disclosed technology relates to a nano-additives to improve the performance of lubricants, oils, and greases. More specifically, the presently disclosed technology relates to applying capped metal oxide nanoparticles, such as capped zirconia nanoparticles, in the lubricants to produce a tribofilms on the lubricating surfaces to provide wear protection to the said surfaces. Also, the interaction of the capped zirconia nanoparticles with other commonly used additives in lubricants may further optimize the performance of the resulting tribofilms.

Complex, and method for producing said complex

A complex including an active ingredient, and a surfactant. The active ingredient is one or more less-oil-soluble substances selected from the group consisting of a hardly-oil-soluble substance and an oil-insoluble substance, and the one or more less-oil-soluble substances function as an additive for lubricating oil. A method of making the complex.

电粘性流体组合物及液压缸装置

本发明的课题在于提供一种能在抑制电流密度的同时获得较大的ER效果的电粘性流体组合物及液压缸装置。本发明的电粘性流体组合物(8)的特征在于，包含流体(32)和具有离子导电性的粒子(28)，具有离子导电性的粒子(28)具有构成粒子(28)表面的第1层(29)和相较于第1层(29)而言构成粒子(28)内侧的第2层(30)，第1层(29)的离子电导率低于第2层(30)的离子电导率。

열전도성 그리스 조성물

비(非)경화성의 열전도성 그리스 조성물로서, A:40℃에 있어서의 동점도가 10,000mm 2 /s 이하인 에틸렌·α-올레핀 공중합체를 100질량부와, B:열전도성 입자를, A 성분 100질량부에 대해서 115~580질량부를 포함하고, 상기 열전도성 입자는, B1:중심 입자경이 0.1~1μm인 부정형 알루미나이며, 일부 또는 전부가 특정 알콕시실란 화합물 또는 그 부분 가수 분해물로 표면 처리되어 있는 것 55~350질량부와, B2:중심 입자경이 0.1~10μm인 판상 질화붕소를 5~60질량부와, B3:중심 입자경이 20~70μm인 응집 질화붕소를 55~170질량부를 포함하고, B3 성분/B2 성분=2~20이 되는 질량 비율로 배합되어 있다. 이에 의해, 저분자 실록산이 발생하기 어렵고 내낙하성이 높고, 저비중의 열전도성 그리스 조성물을 제공한다.

Enhanced durability performance of lubricants using functionalized metal phosphate nanoplatelets

A method for improving wear protection in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil having a HTHS viscosity of less than 2.6 cP at 150°C. The formulated oil has a composition including a major amount of a lubricating oil base stock and a minor amount of metal phosphate nanoplatelets. The metal phosphate nanoplatelets are dispersed in the lubricating oil base stock sufficient for the formulated oil to pass wear protection requirements of one or more engine tests selected from TU3M, Sequence IIIG, Sequence IVA and OM646LA. Also provided are lubricating engine oil composition having improved wear protection.

Fluid suspensions with electrorheological effect

There is described an electrorheological fluid comprising coated nanoparticle suspended in an electrically insulated hydrophobic liquid. The core particles consist of TiO 2 or metal salts of the form M1 x M2 2-2x TiO(C 2 O 4 ) 2 where M1 is selected from the group consisting of Ba, Sr and Ca and wherein M2 is selected from the group consisting of Rb, Li, Na and K. The particle shell is made of highly polar molecules selected from the group consisting of thiourea and urea.

固体潤滑材、その製造方法および用途

Robust superlubricity with steel surfaces in sliding contacts

A low friction wear surface with a coefficient of friction in the superlubric regime under a sliding and rolling movement. The low friction wear surface includes molybdenum disulfide and graphene oxide on a first wear surface with a tribolayer formed on a rough steel counter surface during the sliding and rolling movement. Methods of producing the low friction wear surface are also provided.

一种防潮耐水含橡胶籽油的核壳结构纳米改性变压器油及其制备方法

本发明公开了一种防潮耐水含橡胶籽油的核壳结构纳米改性变压器油，其是由下述重量份的原料制得：环烷基基础油100‑150，橡胶籽油10‑15，甲基三氟丙基硅油0.3‑0.5，纳米二氧化钛0.1‑0.15，苯乙烯‑丙烯酸酯共聚物0.1‑0.15，2,6‑二叔丁基对甲酚0.3‑0.5，苯并三氮唑0.1‑0.15，季戊四醇油酸酯0.1‑0.15，正硅酸乙酯0.01‑0.015，乙烯基三乙氧基硅烷0.01‑0.015，聚山梨酯‑80 0.1‑0.15。本发明的变压器油既具有优良的绝缘、散热性能，同时性质稳定，使用寿命长，还具有防潮耐水性能好的特点，实用性强。

润滑油组合物

本发明提供一种润滑油组合物，该润滑油组合物包含：基础油；和涂覆颗粒，该涂覆颗粒由纳米颗粒和涂覆纳米颗粒的至少一部分表面的膦酸制成。

Lubricating composition for improving fuel eco and reducing friction

The present invention relates to a lubricating composition according to the classification of grade SAEJ300 defined by the formula (X) and W (Y), wherein X is 0 or 5; and Y is an integer ranging from 4 to 20 or X is 0 and Y is 30; said composition comprising at least: at least a base oil; and at least a Molybdenum or Tungsten chalcogenide nanoobject having an object size ranging from 0.1 to 500 nm and from 1 to 99% by weight of molecules of formula (I) with respect to the total weight of the nanoobject

潤滑剤添加剤としてグラフェン系材料を含む組成物

本発明は、グラフェン系材料を含むナノ粒子組成物およびそれらの製造方法に関する。本発明は、トライボロジー性能を改善するため、特に金属部品での減摩および耐摩耗性能を改善するための潤滑剤添加剤としてのそれらの使用およびこれらのナノ粒子組成物を含む潤滑剤組成物にも関する。

나노-첨가제를 이용한 개량 윤활제

본 발명은 윤활제, 오일 및 그리스의 성능을 개선하기 위한 나노-첨가제에 관한 것이다. 더 구체적으로는, 본 발명은 캐핑된 지르코니아 나노입자와 같은 캐핑된 금속 산화물 나노입자를 윤활제에 적용하여 윤활 표면에 트라이보 박막을 생성함으로써 상기 표면들에 내마모성을 제공하는 것에 관한 것이다. 또한, 윤활제에 일반적으로 사용되는 다른 첨가제들과 캐핑된 지르코니아 나노입자의 상호 작용은 생성된 트라이보 박막의 성능을 더욱 극대화할 수 있다.

Agente de recubrimiento lubricante a base de agua para un material metálico, material metálico tratado en superficie y método para formar un recubrimiento lubricante para un material metálico

[Problema] Proporcionar un agente de recubrimiento lubricante a base de agua para un material metálico, haciendo posible dicho agente de recubrimiento obtener excelentes propiedades de lubricación incluso durante el trabajo de plástico, moldeo por prensa, etc., haciendo posible resolver simultáneamente la operabilidad (acortamiento del proceso, formación de lodos). reducción, etc.), y permitiendo realizar simultáneamente un tratamiento de conversión química y un tratamiento de lubricación. [Solución] Se proporciona un agente de recubrimiento lubricante a base de agua para un material metálico, teniendo dicho agente de recubrimiento un pH de 2,0-6,5 y formándose mezclando al menos un tipo de componente lubricante distinto de un agente lubricante sólido negro y al menos un tipo de componente de conversión química seleccionado del grupo que consiste en un compuesto de ácido fosfórico, compuesto de ácido oxálico, compuesto de ácido molíbdico, compuesto de circonio y compuesto de titanio, caracterizándose dicho agente de recubrimiento porque la concentración del componente lubricante es al menos 5% en masa. por relación en masa con respecto a la masa del contenido sólido total en el agente de recubrimiento lubricante, y la concentración del componente de conversión química es 0,3-8% en masa cuando la masa total del agente de recubrimiento lubricante se define como 100% en masa. (Traducción automática con Google Translate, sin valor legal)