60results about How to "Strong anti-friction" patented technology

The invention discloses a method for simultaneously and stably dispersing laminated nanosheets and spherical nanoparticles in an oily medium and application thereof. The method comprises the following steps: (1) mixing the laminated nanosheets with oil-soluble alkylamine, so as to obtain a first mixture; (2) mixing the spherical nanoparticles with an oily medium, so as to obtain a second mixture; and (3) mixing the first mixture and the second mixture with the oily medium, so as to obtain a third mixture. By adopting the method, the spherical nanoparticles can be effectively stabilized by the nanosheets, the laminated nanosheets and the spherical nanoparticles can be simultaneously and stably dispersed in the oily medium, a solution or micro emulsion obtained through dispersion is good in stability and free of sedimentation or layering phenomenon, and the method can be implemented simply, conveniently and rapidly.

The invention discloses a polyvinyl chloride mixture for wires and cables and a preparation method thereof. The mixture comprises 30-60 parts of polyvinyl chloride resin, 4-15 parts of nitrile-butadiene rubber, 17-60 parts of plasticizer, 0.5-3 parts of epoxy soybean oil, 5-20 parts of filler, 2-3 parts of stabilizer, 0.2-0.6 part of lubricant and 0.1-1 part of toner. The preparation method comprises the following steps: adding polyvinyl chloride resin, plasticizer, stabilizer, filler, epoxy soybean oil, lubricant and toner together into a high-speed mixer, evenly mixing to a certain temperature, adding nitrile-butadiene rubber into the high-speed mixer to carry out secondary mixing, evenly mixing, mixing in a cold mixer while sending the mixture into a preheated granulator, and extruding and granulating to obtain the required polyvinyl chloride mixture for wires and cables. The polyvinyl chloride mixture disclosed by the invention still has the characteristics of torsion resistance, high elastic resilience, friction resistance, torsional deformation resistance and strong torsional fracture performance at -40 DEG C, and also has the advantages of low cost and simple preparation technique.

The invention discloses a modified graphene lubricating oil with high dispersibility and high affinity, and a preparation method thereof. The modified graphene lubricating oil comprises, by weight, 0.3-1.5 parts of modified graphene, 0.3-1.5 parts of a dispersing agent, 0.1-2 parts of an affiliation agent, and 100 parts of base oil. According to the present invention, the formula is reasonable, and the preparation method is simple; the prepared lubricating oil has advantages of good stability, good affinity and improved lubricating performance, and can form ink on a mechanical member in mechanical movement so as to reduce the movement resistance of the mechanical member, reduce the friction coefficient, provide the super strong lubricating property and wear resistance, prolong the service life of mechanical member, and achieve energy saving; and the modified graphene lubricating oil can be widely used in a variety of mechanical members, and has great market potential and broad market prospects.

The invention relates to a preparation method for controlled-release fertilizer special for mechanically applied rice. The preparation method comprises the following steps: performing double-layer coating by using high tower pelleting compound fertilizer as core fertilizer to obtain the corresponding double-layer coating controlled-release fertilizer I, double-layer coating controlled-release fertilizer II and double-layer coating controlled-release fertilizer III, wherein the bottom layer urea coating accounts for 4 to 6 weight percent of the core fertilizer, and the outer layer film coating agent accounts for 2 weight percent, 4 weight percent and 6 weight percent of the urea coated fertilizer respectively based on the total weight of the reclaimed polyethylene film resin and the reclaimed polystyrene foam resin; and mixing the double-layer coating controlled-release fertilizer I, the double-layer coating controlled-release fertilizer II and the double-layer coating controlled-release fertilizer III according to the mass ratio of 1:(1-3):(1-2) to obtain the controlled-release fertilizer special for mechanically applied rice. The controlled-release fertilizer special for mechanically applied rice meets the absorption requirements of the rice on nitrogen, phosphorus and potassium nutrients in the growth stage, is difficult to crush and is suitable for mechanical fertilizer application.

The invention discloses lubricating oil with modified graphene and good dispersibility and a method for preparing the lubricating oil. The lubricating oil with the modified graphene comprises, by weight, 0.3-1.5 parts of modified graphene oxide, 0.3-1.5 parts of dispersing agents and 100 parts of base oil. The lubricating oil and the method have the advantages that formulas are reasonable, the method is simple, the prepared lubricating oil is good in stability and ultra-strong in lubricity and anti-attrition property, the lubricating properties can be enhanced, movement resistance can be reduced when the lubricating oil is used in mechanical movement, friction coefficients can be lowered, the service lives of mechanical components can be prolonged, and energy can be saved; the lubricating oil can be widely applied to various mechanical components, and accordingly the lubricating oil and the method have huge market potential and broad market prospects.

The invention discloses an Fe-Cr-B-Si/FeS composite solid lubricating film and a preparation method thereof, which firstly uses ultrasonic plasma for spray painting an Fe-Cr-B-Si coating on a substrate and then low temperature ion sulfurizing treatment is carried out to the Fe-Cr-B-Si coating and the Fe-Cr-B-Si/FeS composite solid lubricating film is prepared. The Fe-Cr-B-Si/FeS composite solid lubricating film is characterized in that: the Fe-Cr-B-Si coating is firstly painted and then the sulfurizing treatment is carried out to the coating so that the surface layer of the coating reacts with sulfurous steam to form an FeS layer, and finally, the upper part of the Fe-Cr-B-Si coating turns out to be an FeS solid lubricating layer. The invention has a novel structure and no obvious boundary exists on the FeS layer of the Fe-Cr-B-Si coating and the FeS layer has good binding capacity with the substrate. Compared with the prior art, the invention has good nano mechanical properties with an anti-friction capacity better than the prior art by more than 20 times. As the invention is the FeS layer obtained from sulfurizing on the surface of the Fe-Cr-B-Si coating, thus having a compact structure; besides, the friction property of the Fe-Cr-B-Si/FeS composite solid lubricating film is stable and the anti-friction property thereof is much better under the conditions of either dry friction or oiling.

The invention relates to a polyricinoleate phosphate and a preparation method thereof, and application of the polyricinoleate phosphate in preparing biodegradable trace cutting oil. The invention is characterized in that the molecular structural formula of the polyricinoleate phosphate is disclosed in the specification. The polyricinoleate phosphate can be mixed with low-viscosity ester to prepare trace cutting oil. The trace cutting oil has favorable lubricating property extreme pressure antiwear property; a slight amount of trace cutting oil can satisfy the high-end requirement for metal working, thereby reducing the harm to the environment and workers; and the trace cutting oil is biodegradable, thereby minimizing the environmental pollution.

The invention relates to a lubricating oil for vehicles, which is prepared from the following components in parts by weight: 92-100 parts of base oil, 6-8 parts of ricinoleic acid, 3-4 parts of ethylenediamine oleate, 2-3 parts of vinyl ethyl ether, 3-4 parts of sodium lauroyl sarcosine, 1.5-2 parts of perfluorooctyl ethylene, 12-15 parts of 2-ethyl decanol, 2-3 parts of ethylene bis oleamide, 4-5 parts of sodium ethylenediamine diorthophenylacetate and 1.2-1.8 parts of nano bismuth oxide. The lubricating oil for vehicles is prepared from the nano active components and multiple additives by a special technique; the components have outstanding synergistic effects; and the lubricating oil for vehicles has favorable antiwear anti-friction synergistic performance, effectively prolongs the oxidation induction time of the oil product, effectively inhibits the increase of the viscosity of the oil product, and has favorable antioxidation synergistic performance. Besides, the added additives enhance the corrosion inhibition property.

Disclosed herein is a cosmetic composition comprising at least one sebum-absorbing powder having a sebum uptake, at least one second powder having a critical surface energy of less than or equal to 24 mN/m, and a liquid binder phase comprising at least one non-volatile oil. The composition may make it possible to obtain a skin makeup with good cosmetic properties over time, such as a good rub resistance, transfer-free properties, good uniformity, maintenance of the initial color of the makeup, and the absence of sheen (i.e., resistance of the matte effect).

The invention relates to a preparation method of a special disposable mechanically-applied fertilizer for corn. According to the invention, urea, monoammonium phosphate, potassium chloride and zinc sulfate are compounded, a high-tower granulated compound fertilizer is used as the core fertilizer, and double film layers are coated, wherein the inner layer film is a urea film and used for improving the surface characteristic of the fertilizer granules, and the outer layer film is a thermoplastic resin coating and a thermosetting coating and is used for controlling the release of the nutrients. The special mechanically-applied fertilizer for corn has more smooth and harder surface, and is suitable for mechanical application. The fertilizer satisfies the requirements of corn for absorbing nitrogen, phosphorus, potassium, zinc and other nutrients; and the large-scale field test proves that the fertilizer has favorable yield increase effect.

The invention belongs to the field of lubricating materials, and particularly relates to perfluoropolyether type lubricating grease of a composite thickening agent and a preparation method of the perfluoropolyether type lubricating grease. The perfluoropolyether type lubricating grease comprises the following components in percentage by weight based on the total weight of the components: 55 to 85 weight% of perfluoropolyether oil, 12 to 42 weight% of a composite thickening agent and 0.1 to 3 weight% of an additive, and the composite thickening agent is selected from two or more of polytetrafluoroethylene, chlorotrifluoroethylene-polyethylene copolymer and tetrafluoroethylene-hexafluoropropylene copolymer. The perfluoropolyether type lubricating grease prepared by blending the perfluoropolyether oil serving as the base oil, the composite thickening agent and the additive has relatively good colloid stability, high temperature resistance and wear resistance, and the components and the preparation process are simple and easy to implement.

The invention discloses a TiB2 self-lubricating coating, a preparation method thereof and an abrasion-resistant component. The TiB2 self-lubricating coating comprises a hard phase TiB2 and a vanadiumelement doped in the TiB2. The TiB2 self-lubricating coating has a low friction coefficient and achieves a friction reduction effect, the usage temperature range is wide, and the friction coefficientstability of the coating is good; and as for the preparation method of the coating, target conductivity is high, the deposition efficiency is high, the technical conditions are easily controlled, maneuverability is high, controllability is good, industrial production is easily achieved, and the prepared TiB2 self-lubricating coating has stable performance. The surface of the abrasion-resistant component is provided with the TiB2 self-lubricating coating, and thus the abrasion-resistant component is low in cutting force and cutting temperature, high in processing precision and long in service life.

The invention provides magnesium alloy cutting fluid containing colloidal particles and a preparation method thereof. The magnesium alloy cutting fluid containing colloidal particles is prepared fromthe colloidal particles, lubricant, rust-proof sustained-releasing preparation, complex salt, surfactant, and pH buffer agent. The magnesium alloy cutting fluid provided by the invention has the advantages of being good in working liquid stability, good in rust-proof performance, strong in cutting capacity, good in tool anti-attrition, environment-friendly and the like. The magnesium alloy cuttingfluid can be applied to the functional electronics industry, can be applied to the auto spare parts industry, and has important significance.

The invention discloses a method for manufacturing a size-controllable two-dimensional nanostructure of a CrN nanopore array. The method for manufacturing the size-controllable two-dimensional nanostructure of the CrN nanopore array comprises the following steps that (1) a substrate is placed in a mixed solution of ammonia water and hydrogen peroxide, and then hydrophilia treatment is conducted by means of ultrasonic waves; (2) a single-layer template on which macromolecular nanoballs are arranged periodically is manufactured on the substrate according to a rotary coating method; (3) the macromolecular nanoballs are etched with oxygen as the etching treatment gas, and then a new single-layer template is obtained after etching; (4) CrN sputtering deposition are conducted on the single-layer template obtained after etching in the step (3) through a closed field non-equilibrium magnetron sputtering ion plating system; (5) the template obtained after deposition in the step (4) is placed in organic solvent, and then the macromolecular nanoballs are dissolved away. According to the method for manufacturing the size-controllable two-dimensional nanostructure of the CrN nanopore array, an array template is manufactured by combining the nanoball rotary-coating technology and the nanoball photoetching method, and the array temperature with the size precision accurately controllable can be manufactured by adjusting the technological conditions.

The invention discloses a super-hydrophobic cotton yarn material for oil-water separation as well as a preparation method and application of the super-hydrophobic cotton yarn material. The preparationmethod of the super-hydrophobic cotton yarn material for oil-water separation comprises the following steps: providing a cotton yarn material; etching the cotton yarn material by using an alkaline solution to obtain an etched cotton yarn material; immersing the etched cotton yarn material into a tannic acid solution, then adding a ferrous sulfate solution for modification, circularly immersing the cotton yarn material into the mixed solution for multiple times, and drying the modified product to prepare the super-hydrophobic cotton yarn material for oil-water separation. The super-hydrophobiccotton yarn material for oil-water separation has good oil-water separation performance.

The present invention provides a lining for cloth, trousers and coat with the lining for cloth, which satisfies the basic functions as the lining. Furthermore pilling, color fading, color lose, color change and appearance change hardly occurs for chlorine bleach or reduction bleach, or long-time rubbing load. The lining for cloth is made of composite fiber, wherein the composite fiber is obtained through compounding the following components: spun-dyed polyester fiber which comprises 0.2-5wt% of colorant relatively to gross amount, and spun-dyed cellulose fiber which comprises 0.2-5wt% of colorant relatively to gross amount. The mixing gross amount ratio (A/B) between the spun-dyed polyester fiber (A) and the spun-dyed cellulose fiber (B) is 80/20 to 30/70, and furthermore the coverage factor (CF) of the cloth surface is above 20 and below 45.

The invention belongs to the technical field of lubricating compositions characterized by using mixtures of high molecular and non-high-molecular compounds as additives, and specifically relates to alubricating composition for a grinding roller bearing of a vertical mill and a tug wheel bearing of a rotary kiln. The lubricating composition is prepared from the following ingredients: synthetic oil, a bearing oil composite additive, an antirust agent, a metal deactivator and an anti-friction agent. The lubricating composition has excellent wear resistance, emulsification resistance and foam resistance.

A special grease composition for a dual mass flywheel is prepared from the following raw materials: by mass, 74.5-78.5% of base oil, 16-20% of a thickener, 1% of polyisobutylene, 0.5% of titanium dioxide, 1% of an antioxidant, 3% of an extreme pressure antiwear agent and 0.05 % of an anti-rust agent. The special grease for the dual mass flywheel has good high-temperature oxidation resistance, oil distribution resistance, friction resistance, low temperature startup performance, and anti rust performance and excellent adhesion performance, and can completely be applied to lubrication of flywheel parts of passenger cars. The special grease for the dual mass flywheel has a wider use temperature range and a longer service life, and has excellent lubrication, friction reduction and vibration reduction effects on use parts.