207 results about "Lubrication Agents" patented technology

This invention discloses a highly filled modified PP masterbatch and its preparation method, belonging to the field of polymer material modification technology. The masterbatch, by weight, consists of the following components: 25-30 parts polypropylene, 60-65 parts heavy calcium carbonate, 2-3 parts compatibilizer, 1-2 parts toughening agent, 0.3-0.5 parts compounded antioxidant, 0.5-1.0 parts lubricant, and 0.2-0.3 parts dispersant. This invention achieves a high-filling system with ≥60% calcium carbonate filling through synergistic optimization of the raw material formulation and precise control of the preparation process. This effectively solves the industry pain points of traditional highly filled modified PP masterbatches, such as filler agglomeration, precipitous decline in mechanical properties, and poor processing stability. The finished masterbatch meets national and industry acceptance standards for industrial equipment shells, automotive interior and exterior trim, and functional parts. The raw material cost is reduced by 15-25% compared to traditional modified PP masterbatches. The preparation process of this invention is simple and can achieve stable mass production using existing general-purpose modification equipment. The product qualification rate is ≥98%, demonstrating excellent economic benefits and broad application prospects.

This invention discloses a method for preparing low-density, high-filler SPC flooring. The method is characterized by a raw material formulation comprising the following components in the indicated weight proportions: 100 parts graft-modified PVC resin, 300-350 parts filler, 9-12 parts heat stabilizer, 3-5 parts melt processing modifier, 3-5 parts reinforcing and toughening modifier, 1-2 parts external lubricant, 1-2 parts internal lubricant, 2-5 parts chemical foaming agent, and 2-5 parts foaming aid. The graft-modified PVC resin is prepared by replacing the chlorine atoms in PVC with p-aminothiophenol, followed by an amidation reaction between a diacid or polyacid and an amino group. Its advantages are: 1) It improves the melt strength and expandability of the PVC resin, ensuring foaming performance under high filler content. Compared with ordinary SPC flooring, the flooring product has lower density and lighter weight, higher hardness, and lower overall formulation cost compared to ordinary low-density SPC flooring. 2) The process is simple, and the product has high controllability.

The present invention relates to a dry composition capable of being pressed, comprising: - at least one powdered polyol, - at least one powdered gelling agent having flow properties corresponding to a Carr index less than or equal to 25 and a Hausner ratio less than or equal to 1.34, - a combination of an ester and Acacia Senegal Gum, - optionally, at least one surfactant, - optionally, at least one internal lubricant, - optionally, at least one preservative, - optionally, at least one buffering and pH regulating agent, - optionally, at least one fragrance, - optionally, at least one disintegrating agent, said composition in the form of a pressable powder having flow properties corresponding to a Carr index less than or equal to 25 and a Hausner ratio less than or equal to 1.34.The present invention also relates to a solid product obtained by pressing the dry composition, to a cosmetic composition, as well as to their preparation process and their use.

The application discloses a kind of injection molding magnetic ferrite composite material and preparation method thereof, by following weight percentage component composition: modified ferrite magnetic powder 82%-90%, composite binder 7%-15%, coupling agent 0.3%-0.8%, lubricant 0.5%-1.2%, antioxidant 0.2%-0.5%, reinforcing agent 0.3%-1.0%;The composite binder is mixed by nylon 6, nylon 12 and polyphenylene sulfide according to weight ratio 2:1:0.5-1, the injection molding magnetic ferrite composite material and preparation method thereof, make composite material have good injection molding fluidity, can be prepared shape complex, size tiny magnetic component device, forming precision is high, without subsequent processing, further improve production efficiency, reduce production cost.

This invention relates to a powder coating with a textured appearance, its preparation method, and its application, belonging to the field of coating technology. The powder coating comprises the following components in parts by weight: 70-80 parts polyurethane resin, 4-6 parts amine curing agent, 0.5-1.5 parts silane coupling agent, and 0.5-3 parts texture agent, and may optionally include functional fillers, fillers, lubricants, and lubricating dispersants. The preparation method is as follows: all components except the texture agent are mixed, melt-extruded, cooled, pulverized, and graded to obtain a base powder; then the texture agent is dry-mixed with the base powder and sieved to obtain the final product. This invention, through the synergistic effect of multiple technical features such as the film-forming system of polyurethane resin and amine curing agent, the improvement of the interfacial compatibility between filler and resin by the silane coupling agent, and the post-addition process of the texture agent, enables the coating to possess both a clear and uniform textured appearance and excellent mechanical properties and weather resistance, making it particularly suitable for coating outdoor metal components with high requirements for decorativeness and durability.

The application relates to the field of sealing rings and discloses a silicon rubber sealing ring for capacitors and a preparation method thereof, which comprises the following components: silicon rubber, modified multi-walled carbon nanotubes, hyperbranched triazine-based additives, vulcanizing agents and lubricants; the modified multi-walled carbon nanotubes are prepared by modifying multi-walled carbon nanotubes after introducing double bonds into a benzotriazole intermediate and glycidyl methacrylate in a hydrogen-containing silicone oil molecular chain through a silicon hydrogen addition reaction; the benzotriazole intermediate is prepared by substitution between 2-(2,4-dihydroxyphenyl)-2H-benzotriazole and acryloyl chloride; the hyperbranched triazine-based additives are prepared by nucleophilic substitution reaction with a diamino phosphorus antioxidant prepared by reaction between phenylphosphoryl dichloride and p-phenylenediamine and cyanuric chloride as a monomer; the application is provided with good mechanical properties, antistatic properties, flame retardant properties and aging resistance by adding the modified multi-walled carbon nanotubes and the hyperbranched triazine-based additives.

A powder metallurgy transmission plate material for a clutch, comprising in percentage by mass: 55%-65% of high-purity atomized iron powder, 8%-12% of electrolytic copper powder, 4%-8% of nickel hydroxide powder, 1.5%-4% of ferromolybdenum powder, 1%-3% of chromium powder, 0.3%-1.5% of lanthanum powder, 1.5%-3.5% of nano silicon carbide particles, 0.8%-2% of carbon fiber, 0.5%-1.5% of whisker-like alumina, 0.3%-1% of cellulose nanocrystals, 0.5%-2% of rare earth oxides, 2.3%-6% of a lubricating agent and 0.5%-1.8% of a binder. A transmission plate prepared by using the material component ensures the reliability and durability of the transmission plate in a complex mechanical environment, prolongs the service life of the transmission plate, and reduces safety risks. Also comprised is a preparation method for a powder metallurgy transmission plate material for a clutch.

The application provides a g-C3N4 modified PC and a preparation method and application thereof, the modified PC comprises the following components in mass fraction: base PC resin 96-98%, flame retardant 0.05-0.2%, toughening agent 0.1-1.5%, antioxidant 0.05-0.15%, lubricant 0.1-0.5%, maleic anhydride grafted g-C3N4 nano material 0.01-1%, and toner 0.5-1%. The modified PC has excellent antibacterial and antifouling capacity, can effectively solve the appearance problems of existing PC materials, such as easy fouling, poor wear resistance and the like in electronic and electrical products and daily packaging material products, the toughness and strength of the material are improved, and in addition, the modified PC material has certain light stability.

The application discloses a direct yarn glass fiber sizing agent, which comprises effective components and water, and the effective components comprise a silane coupling agent, a film forming agent, a lubricant, a surfactant, a plasticizer, inorganic nanoparticles and a pH value regulator, and the solid content of the sizing agent is 6-9%; the solid mass percentage of each effective component in the total solid mass of the sizing agent is shown as follows: the silane coupling agent is 5-25%; the film forming agent is 48-75%; the lubricant is 8-20%; the surfactant is 1-6%; the plasticizer is 1-5%; the inorganic nanoparticles are 0.1-2%; and the pH value regulator is 1-8%; wherein the film forming agent is a mixture of a first film forming agent and a second film forming agent; the first film forming agent is a fluorine-containing epoxy emulsion with a molecular weight of 1500-2200; and the second film forming agent is an organic silicon modified polyurethane emulsion with a molecular weight of 1800-2700. The glass fiber yarn produced by using the sizing agent formula is soft, has good bundling property, less hairiness, good use smoothness, can be quickly soaked in resin such as an epoxy resin or a polyurethane resin, and is suitable for various resin systems.

This application relates to the field of nylon powder, specifically disclosing a composite nylon powder for printing rollers and its preparation method. The composite nylon powder for printing rollers is composed of 82-90% nylon powder, 1-3% a wetting and dispersing agent mixture, 2-5% a binder strengthening agent, and 5-10% filler. The wetting and dispersing agent mixture includes two or more of hydroxyethyl ethylene bis-stearamide, zinc stearate, and lubricant CYD-816A. The preparation method is as follows: nylon powder and the wetting and dispersing agent mixture are mixed, then a mixture of the binder strengthening agent and filler is added, and the mixture is stirred to obtain a mixture. The mixture is then melt-co-extruded, granulated, and pulverized to obtain the composite nylon powder for printing rollers. The wetting and dispersing agent mixture of this application can coat the surface of the nylon powder, improving powder flowability and facilitating the uniform dispersion of filler in the nylon powder, resulting in a composite nylon powder with both excellent mechanical properties and film-forming properties.

The application belongs to the technical field of lubricants, and provides a polyurethane lubricant, a preparation method and application thereof.The polyurethane lubricant provided by the application comprises the following components in percentage by weight: 8-20% of a polyurethane thickening agent, 80-90% of base oil, 1.5-3.5% of an antioxidant, 0.5-2.0% of extreme pressure anti-wear agent, and 0.1-1.5% of lubricant; the polyurethane thickening agent is formed by polycondensation reaction of 4,4'-dicyclohexyl methane diisocyanate (HMDI), polybutylene adipate (PBA) and hydroquinone di(2-hydroxyethyl) ether (HQEE). The polyurethane lubricant provided by the application has excellent high-temperature stability, wide temperature range performance, and extremely high load-carrying and wear resistance.

Provided is a fluorine-containing ether compound represented by the following formula: R1–CH2–R2[–CH2–R3–CH2–R2]x–CH2–R4. (In the formula, x is 0-2. R2 represents a perfluoropolyether chain. R3 represents a divalent linking group having 1-4 polar groups. R1 and R4 each represent a terminal group having 1-4 polar groups and 1-50 carbon atoms. At least one of R1 and R4 is a group represented by formula (2). In formula (2), a is 0-2. b of a moieties and c of a moieties are 1-6. One of d and e is 0 and the other is 1-6. Ra, Rb, Rc, and Rd of a moieties each represent an alkyl group having 1-8 carbon atoms or a hydrogen atom.)

Provided is a lubricating grease and a refrigeration cycle device using the same as a lubricant, which is capable of suppressing a decrease in the function as a lubricant even when the lubricating grease is used in an apparatus provided in a refrigerant circuit in which a refrigerant having a chlorine atom and an olefin bond in a molecule flows. The composition of the lubricating grease used in an apparatus provided in a refrigerant circuit (50) in which a refrigerant having a chlorine atom and an olefin bond in a molecule flows contains fluorine. In a cooling device, the lubricating grease is used as a lubricant in at least one of a first radial contact bearing (162) and a second radial contact bearing (164) of a compressor (100), a driving portion of an inlet guide vane (124) of the compressor (100), and a driving portion of an expansion valve.

A raw material composition of a thermoplastic product mixed with microalgae, a product thereof and a preparation method therefor. The composition includes polyvinyl alcohol, microalgae, a compatilizer, a plasticizer, a cross-linking agent, a reaction aid and a lubricating agent. The weight percentage of the microalgae on the basis of the weight of the polyvinyl alcohol is between 10% and 30%; the weight percentage of the compatilizer on the basis of the weight of the polyvinyl alcohol is between 2% and 5%; the weight percentage of the plasticizer on the basis of the weight of the polyvinyl alcohol is between 20% and 30%; the weight percentage of the cross-linking agent on the basis of the weight of the polyvinyl alcohol is between 0% and 1.5%; the weight percentage of the reaction aid on the basis of the weight of the polyvinyl alcohol is between 1% and 5%; and the weight percentage of the lubricating agent on the basis of the weight of the polyvinyl alcohol is between 0.1% and 0.5%.

The application discloses a low-hairiness glass fiber film-forming agent, which comprises the following raw materials in parts by weight: 5-25 parts by weight of hydroxyl silicone oil; 1-10 parts by weight of diisocyanate; 40-80 parts by weight of epoxy resin A; 0.01-0.06 parts by weight of a catalyst; 1-10 parts by weight of an EO / PO block polyether; 1-5 parts by weight of polypropylene glycol; 1-15 parts by weight of epoxy resin B; 1-5 parts by weight of an accelerator; and 2-10 parts by weight of a diluent. The application grafts lubricating monomers to the epoxy resin, develops a suitable non-ionic epoxy resin emulsifier system, and then obtains the low-hairiness glass fiber film-forming agent, reduces the migration of the lubricant to the surface in the baking process, reduces the surface yellowing, reduces the generation of hairiness in the glass fiber production and use process, and reduces the blocking of the film hole and the generation of loose silk and broken yarn.

This invention relates to a method for reducing abnormal combustion events during engine operation of a hydrogen-fired internal combustion engine (HICE), the method comprising the steps of: a) providing the hydrogen-fired internal combustion engine with a lubricating oil composition comprising or a mixture of the following components: i) a base oil having a KV100 of less than or equal to 12 cSt and comprising more than 50% by weight of the composition, and comprising Group I, Group II, Group III, Group IV base oils or combinations thereof; ii) at least one aromatic amine antioxidant comprising 0.1% to 10.0% by weight of the composition; iii) at least one over-alkaline metal-containing detergent having a total base number (KOH / g) of greater than or equal to 9 and less than or equal to 500, and comprising a treatment level providing the composition with 100 to 5000 ppm of total metals and 0.15% to 8.0% by weight of total soap; and iv) The lubricating oil composition has a total sulfate ash content of less than or equal to 2.5% by weight, a total phosphorus level of less than or equal to 0.120% by weight, and an SAE viscosity grade of 25W-X, 20W-X, 15W-X, 10W-X, 5W-X, or 0W-X, where X represents any one of 8, 12, 16, 20, 30, 40, 50, or 60; b) supplying hydrogen-containing fuel to the HICE; and c) burning the fuel in the HICE. The present invention also provides lubricating oil compositions and concentrates for use in HICE to reduce the tendency for malfunctions.

The application belongs to the technical field of medical preparations, and particularly relates to a high-dissolution solid preparation of multitarget and a preparation method thereof. The solid preparation is composed of 5-20% of multitarget, 10-30% of alkaline amino acid, 40-70% of hydrophilic filler, 2-10% of disintegrant, 0.1-1% of metal ion complexing agent and 0.5-2% of lubricant according to percentage by weight. The multitarget and the alkaline amino acid form a co-amorphous state in a molar ratio of 1:1 to 1:3. The preparation method comprises the following steps: dissolving the multitarget and the alkaline amino acid in an organic solvent containing volatile acid, removing the solvent under reduced pressure to obtain a co-amorphous substance, mixing the co-amorphous substance with the hydrophilic filler, the disintegrant and the metal ion complexing agent, and mixing the mixture with the lubricant after dry granulation and then compressing the mixture into tablets. The application eliminates the lattice energy limitation of the multitarget, realizes supersaturated dissolution, inhibits recrystallization during storage, maintains stable dissolution curve, improves drug loading capacity, and avoids damage to the amorphous state caused by moisture and heat through dry granulation.

The present invention relates to an apparatus (100) for applying a coating agent (11) to a substrate (5) movable by a feeding device, particularly for applying a lubricant to a sheet or continuous strip of metal that can be supplied to a forming press or deep drawing process, comprising at least one injection valve (4) in which the coating agent (11) is permanently present under pressure and can be applied to the substrate (5) for atomization through a nozzle opening (13) and an air cap (14), wherein the injection valve (4) is provided with an injection air valve (17) and a nozzle opening (13) variable in the outlet area by means of a nozzle needle (7) adjustable in its position, wherein an electrical actuation is provided for opening / closing and adjusting the nozzle needle (7). The actuator (8) and the position sensor (9) for detecting the current position of the nozzle needle (7) are connected in signal technology to the control unit (10) of the injection valve (4) and directly or indirectly to the central control unit (3) of the device (100), wherein the actuator (8) has an electrically linear drive that can adjust the nozzle needle (7) without stopping and the control unit (10) or the central control unit (3) is adapted to generate, encode and decode pulse width modulation encoded command signals (1) and / or feedback signals (2) for multiple adjustment links of the at least one injection valve (4) to coat a predefined, variable amount of coating agent (11) onto the substrate (5) through the injection valve (4).

A composition is provided to comprise a non-aqueous medium and a 3,4-oxypyridinone compound of structure (I):with each A being oxygen and / or sulfur, and with a variety of substituents at R1-R5 to enable a solution or an at least semi-stable emulsion to be formed in the non-aqueous medium. Methods of use are included herein, which may be focused on situations where the composition can be used as a lubricant and / or coolant.

This invention discloses a glass fiber reinforced ABS material and its preparation method, which relates to the field of polymer material preparation technology. The glass fiber reinforced ABS material, by weight percentage, comprises: 50%-75% ABS resin, 15%-35% composite glass fiber, 3%-8% composite toughening agent, 0.2%-0.6% antioxidant, 0.3%-1.2% high-efficiency lubricant, 1%-3% interface compatibilizer, and 0.5%-1.5% surface modifying agent. The composite glass fiber is composed of short-cut glass fiber and long glass fiber mixed in a mass ratio of 3:1-5:1, and modified by a compound system of silane coupling agent KH-550 and polysiloxane-polyether block copolymer. This invention overcomes the limitations of existing technologies that rely on single glass fiber reinforcement or single toughening, employing an integrated technical solution of composite glass fiber combination + composite modification + step-by-step feeding, solving the technical problems of insufficient toughness, severe fiber floating, and high processing difficulty in existing fiber-reinforced ABS.

This invention discloses a high-strength carbon fiber modified plastic and its preparation method. By weight, it comprises the following raw materials: 90-100 parts polypropylene, 8-12 parts modified carbon fiber, 3-5 parts maleic anhydride-grafted polypropylene, 2-4 parts toughening agent, 0.7-1.1 parts antioxidant, and 0.5-0.8 parts lubricant. This high-strength carbon fiber modified plastic achieves its goal by subjecting the carbon fiber surface to specific multi-step modification, sequentially introducing an aminosilane coupling layer, a gallic acid amide bond linking layer, and an itaconic acid active double bond functional layer. This forms an inside-out covalently bonded interface system, transforming the simple physical contact between the carbon fiber and the polypropylene matrix into a chemical bond. Furthermore, by combining maleic anhydride-grafted polypropylene as an interface compatibilizer and ethylene-octene copolymer as a toughening agent, the formulation design ensures both high strength and material toughness, resulting in a high-strength carbon fiber modified polypropylene composite material with balanced mechanical properties.

This invention provides a small-molecule carboxyl-terminated gelling agent and a gel lubricant, along with their preparation method and applications, relating to the field of lubrication materials technology. The small-molecule carboxyl-terminated gelling agent provided by this invention has the structure shown in Formula I, where R is an alkyl group with 14-18 carbon atoms; X is hydrogen, methyl, isopropyl, isobutyl, or benzyl; and n is 2 or 3. The small-molecule carboxyl-terminated gelling agent provided by this invention exhibits uniform stability in various base oils and a very low gel concentration. It can self-assemble through multiple hydrogen bonds and other interactions to effectively bind the base oil, thus avoiding environmental pollution problems caused by base oil creep and leakage. Furthermore, this gelling agent has strong versatility, exhibiting excellent friction-reducing and anti-wear properties and superior thermal stability in different types of base oils. Moreover, thanks to the strong polarity and interfacial adsorption of the terminal carboxyl group, as well as the biocompatibility of natural amino acid derivatives, it becomes a green gelling agent. The gel lubricant formed by the small-molecule carboxyl-terminated gelling factor and base oil has advantages such as being green and environmentally friendly, economically efficient, and having excellent tribological properties, and has a bright application prospect in the field of lubrication of bearings or metal friction pairs.

This disclosure describes a lubricating oil composition. The composition comprises a primary amount of a base oil; and a lubricant additive having the following structure: wherein each R... 1 Independently, it is a hydrocarbon group having 10 to 400 carbons; X is an alkyl, aryl, or heteroaromatic group having 1 to 10 carbons; Y is nitrogen, oxygen, or sulfur; R 2 Independently, it is a hydrocarbon group having 1 to 9 carbon atoms; each Z is nitrogen, oxygen, or sulfur; and R 3 It is a hydrocarbon group having 1 to 9 carbons and having one or more nitrogen, oxygen or sulfur functionalized hydrocarbon groups, wherein p is 1 to 3, n is 1 to 20 and m is 1 to 3.

The invention herein disclosed refers to a method for preparation of glycerol nanocapsules (GNCs), adapted as an additive in a hydrophobic lubricant for improving lubricity in a tribological system, further to a glycerol nanocapsule (GNC) and finally to the respective use. The method comprises the steps of providing a continuous phase comprising at least a polyalphaolefin (PAO) and a dispersed phase comprising at least glycerol (GLY), of - mixing the continuous phase and the dispersed phase and performing high-pressure homogenization with a microfluidizer resulting in a minielmulsion comprising glycerol nanodroplets (GNPs). Further, adding a diisocyanate crosslinking agent (TDI) to the miniemulsion is comprised, leading to a polymerization reaction of the diisocyanate cross-linking agent (TDI) and glycerol (GLY) at the interfaces of the glycerol nanodroplets (GNPs) dispersed in the polyalphaolefin (PAO), resulting in formation of crosslinked glycerol-based polyurethan shells encapsulating a core of unreacted glycerol (GLY). Thereby glycerol nanocapsules (GNCs) are obtained, comprising a core of unreacted glycerol (GLY) encapsulated in a crosslinked glycerol-based polyurethan shell.

The application discloses a kind of molybdenum end cap production binders and preparation method and application, it is related to molybdenum end cap field.A kind of molybdenum end cap production binders, by including the following mass parts of raw materials is prepared: polyvinyl alcohol 5-10 parts;Polyvinylpyrrolidone 2-5 parts;Sodium carboxymethylcellulose 0.5-2 parts;Lubricant 1-3 parts;Dispersing agent 1-3 parts;Deionized water 90-120 parts.The application has the effect of improving the uniformity of particle size and particle strength of molybdenum powder after binder modification, improves the stability of molybdenum end cap product.