22 results about "Oxidation resistance" patented technology

An electrode comprises a conductor and an electrode coating, said electrode coating comprising as electronically active material a transition metal (T) oxidenitride of formula Li_xT^I_mT^II_nN_yO_z form of nanoparticles, wherein x=0-3, y+z=2-4, y>0, z>=0.25, m+n=1, m=0-1, n=0-1, T^I and T^II both being transition metals of the groups IVB, VB, VIB and VIIB, and periods 3d, 4d and 5d, in particular transition metals selected from Zr, Nb, Mo, Ti, V, Cr, W, Mn, Ni, Co, Fe and Cu. Dependent on the kind of transition metal, its oxidation state and the Li content, such materials may be used as anode materials or as cathode materials, respectively.

The invention provides a lubricating grease composition for elevator wire ropes, which comprises the following components in parts by weight: 50-80 parts of base oil, 5-10 parts of thickener, 10-35 parts of microcrystalline wax, 2-7 parts of nano silicon dioxide, 1-3 parts of oleic acid, 3-7 parts of alkyl diphenylamine, 1-3 parts of barium petroleum sulfonate and 2-5 parts of borate. The lubricating grease composition has the characteristics of high permeability, low bleeding tendency, oxidation resistance, corrosion resistance, rust resistance and the like.

The invention discloses an acidic electroplating zinc-nickel alloy electrolyte, a preparation method and an electroplating method thereof; the electrolyte comprises a basic electrolyte and additives; the basic electrolyte is a weakly acidic solution which comprises zinc ions with mass concentration of 27-38g/L, nickel ions with mass centralization of 23-31g/L, chloride ions with mass concentration of 150-220g/L and boric acid with mass concentration of 25-35g/L at Ph value of 4.8-5.4 and at temperature of 28-35 DEG C; and the additives comprise a brightening agent of 1-12 ml/L, a walk agent of 3-30 ml/L and a disodium ethylenediamine tetraacetate complexant of 10-50 ml/L. The acidic electroplating zinc-nickel alloy electrolyte is rational in proportion and proper in matching; the galvanizing efficient is improved by 30-40% compared with the traditional acidic galvanizing; the corrosion resistance of a zinc-nickel coating can be improved remarkably and the service life of the coating is prolonged; the coating is high in hardness, corrosion resistance, abrasive resistance, pyro-oxidation resistance, compactness and comprehensive performance; the electrolyte does not need to the post-treatment technique, so that the adopted electroplating method is saved in cost, efficient and rapid, convenient in operation and far superior to the traditional alkaline zinc-nickel electroplating.

Provided is a microporous polyolefin membrane which has excellent oxidation resistance and electrolyte injection performance and further has excellent permeability and strength balance. The multilayer, microporous polyolefin membrane has a first microporous layer containing polypropylene. The electrolyte injection performance is 20 seconds or less, at least one surface layer is the first microporous layer, and the PP distribution in the first microporous layer is uniform in the in-plane direction.

The invention provides a method for detecting inoxidizability of lubricating oil, which includes the following steps: (1) determining surface tension value N1 of lubricating oil; (2) placing lubricating oil in a baking oven for baking at constant temperature; (3) determining the surface tension of lubricating oil after baking according to the step (2), and obtaining the surface tension value N2; (4) determining inoxidizability of lubricating oil according to the surface tension value N1 and 2 before and after baking. The detection method of the inoxidizability of lubricating oil provided by the invention has the characteristics of simple operation, visual and reliable result, easy determination and good reappearance, and the method can be used as an effective technology means for investigating inoxidizability of lubricating oil, and is good for popularization usage.

The invention belongs to the technical field of refractory materials, and mainly provides a preparation method of a low-carbon aluminum-carbon refractory material for use in continuous casting. Polyborosilazane is taken as an additive, so that the high-temperature strength, oxidation resistance and erosion resistance of the low-carbon aluminum-carbon refractory material are improved; phenolic resin is taken as a bonding agent, and the adding amount of the phenolic resin is 4-6 percent by weight based on the total weight of the raw materials of the low-carbon aluminum-carbon refractory material; polyborosilazane is added into phenolic resin, and the adding amount of polyborosilazane is 3-7 percent by mass of phenolic resin. By adopting the method, the high-temperature strength, oxidation resistance and slag erosion resistance of a continuous cast low-carbon refractory material can be improved remarkably.

The invention discloses a preparation method of a regenerated cellulose facial mask containing citrus essential oil and belongs to the technical field of cosmetics. The preparation method disclosed by the invention comprises the following steps: preparing a regenerated cellulose facial mask base material; preparing the citrus essential oil; preparing aqueous phase liquid; preparing oil phase liquid; preparing essence; and preparing the facial mask. The facial mask prepared by the preparation method disclosed by the invention has the advantages of high content of natural ingredients and easiness in absorption. The citrus essential oil prepared by the preparation method disclosed by the invention has the advantages of no additive and high purity. In addition, the citrus essential oil contains active ingredients which have biological activities such as inflammation resistance and oxidation resistance; and besides, the citrus essential oil has the efficacy of beauty and health care. Silk protein has the effect of repairing skin tissue cells.

The invention discloses a fireproof anti-abrasion rubber shoe sole material and a preparation method thereof. The prepared fireproof anti-abrasion rubber shoe sole material is composed of, by weight,acrylonitrile-butadiene- styrene copolymer, epichlorohydrin rubber, polyacrylate rubber, polyurethane rubber, PVDF resin, white mica, a silane coupling agent, absolute ethyl alcohol, nano zinc oxide,magnesium stearate, palm oil and a foaming agent. According to the fireproof anti-abrasion rubber shoe sole material, all the raw materials are promoted mutually, by modifying the white mica, the anti-abrasion performance of a fireproof anti-abrasion rubber shoe sole is further improved, and the prepared fireproof anti-abrasion rubber shoe sole material has prominent mechanical properties; the fireproof anti-abrasion rubber shoe sole material has high elasticity, prevents slipping, is resistant to abrasion and good in oxidation resistance, and meanwhile has the advantages of being superior infireproof performance, safe, environmentally friendly and comfortable to wear.

The invention discloses methanol gasoline. The methanol gasoline is prepared from the following components in percentage by mass: 60-70% of methanol, 6-7% of aromatic hydrocarbon, 40-46% of naphtha, 0.004-0.0043% of sodium hydroxide, 0.3-0.33% of corrosion inhibitors, 0.2-0.23% of antioxidants, 0.5-0.53% of lubricants and 2-2.2% of stabilizers. The methanol gasoline has the following beneficial effects: (1) additives adopt raw materials with abundant sources, stable performance and clean emission after combustion, the mixing process is simple, the production cost is low, and the production process is free emission of three wastes; (2) the environment can be effectively protected, the fuel cost can be reduced, and the petroleum resource can be saved; and (3) the methanol gasoline has good protection effects on power systems and oil supply systems of vehicles. Actual test and inspection of the methanol gasoline show that power performance, lubrication performance, corrosion resistance, oxidation resistance, low-temperature ignition and oil consumption of the methanol gasoline are superior to that of 92# national 5 standard gasoline. The methanol gasoline fuel is simple in composition, wide in raw material resources, low in production cost, high in combustion performance, long in storage time, free of stratification and free of deterioration, and is worth of mass production, popularization and application.

The invention belongs to the technical field of solar energy utilization and particularly discloses a high-temperature-resisting multilayer solar selective absorbing coating and a preparing method thereof. The absorbing coating is composed of three layers, the top layer is a Cr2O3 reflection reducing layer, the middle layer is a CrAlON absorbing layer with the oxygen content as a gradual-changing structure, and the bottom layer is a CrAlSiN infrared reflecting layer. The CrAlON absorbing layer comprises the following ingredients of 30-36 at.% of Cr, 14-20 at.% of Al, 12-28 at.% of O and 22-38 at.% of N; and the oxygen content gradually increases from inside to outside. The CrAlSiN infrared reflecting layer comprises the following ingredients of 13-21 at.% of Cr, 30-40 at.% of Al, 6-10 at.% of Si and 32-40 at.% of N. The Cr2O3 top layer, the CrAlON middle layer with oxygen content as a gradual-changing structure and the CrAlSiN bottom layer of the coating all have good high temperature hardness and high-temperature oxidation resistance. The coating has the beneficial effects of being high in absorbing rate, low in emitting rate, high in combining strength and good in high-temperature stability. Furthermore, the coating can still have good spectral selection absorbing performance in the temperature of 550 DEG C.

The invention discloses a preparation method of a phenolic resin impregnation glass fiber composite material. The preparation method comprises following steps: heat treatment, acid etching, and coupling agent treatment are adopted for surface treatment of glass fiber; the treated glass fiber is immersed in a boron modified phenolic resin alcoholic solution obtained via modification with zirconium boride of a certain concentration, vacuum impregnation is carried out, an obtained product is delivered into a muffle furnace for curing molding, an obtained primary product is delivered into a phenolic resin alcoholic solution of a certain mass concentration for repeat impregnation curing so as to obtain a finished product. Optimization of the preparation method is carried out a series of property characterization, and the phenolic resin impregnation glass fiber composite material with desirable density is obtained finally. The advantages of the phenolic resin impregnation glass fiber composite material are that: the density is as low as 0.25 to 0.4g/cm3, excellent oxidation resistance is achieved, the preparation method is simple; and the phenolic resin impregnation glass fiber composite material can be used in the field of high temperature thermal protection.

The invention discloses an injection molding method, comprising the following steps: preparing materials and placing the prepared materials into an injection molding machine for injection molding; adding dispersing oil into the raw material, wherein, the adding amount of the dispersing oil is as follows: 2-4g of dispersing oil is added in 1g of raw material; adding 1.4-1.8g of toner to 1g of raw material; and evenly stirring for 5-20 minutes for injection molding. Compared with the existing method, the method is characterized by comprising the following steps: preparing materials and placing into an injection molding machine for injection molding; adding dispersing oil into the raw material in preparing the materials, wherein, the adding amount of the dispersing oil is as follows: 2-4g of dispersing oil is added in 1g of raw material; adding 1.4-1.8g of toner to 1g of raw material; and evenly stirring 5-20 minutes for injection molding; and replacing the original white oil by the dispersing oil. The raw material is easier to disperse in stirring, the chemical stability of the dispersing oil is more stable, thus the antioxidant performance is good in injection molding, black spots can not occur on the product, and the property of the dispersing oil plays the effects of releasing agent.

The invention discloses a seafood fresh-keeping agent capable of removing a peculiar smell. The seafood fresh-keeping agent is prepared from the following substances in parts by weight: 80 to 90 partsof deionized water, 10 to 20 parts of potassium sorbate, 2 to 5 parts of an antioxidant, 1 to 4 parts of porous silicon dioxide, 0.1 to 0.3 part of natamycin and citric acid for regulating pH (Potential of Hydrogen) to be 4.0 to 5.0. The potassium sorbate and the natamycin which have an anti-bacterial effect are added in the seafood fresh-keeping agent, so that propagation of bacteria in seafoodcan be effectively inhibited. In addition, oil-soluble vitamin C having oxidation resistance is also added in the seafood fresh-keeping agent, and the vitamin C is adsorbed to the porous silicon dioxide, so that a sustainable anti-oxidant function is expressed. According to the seafood fresh-keeping agent disclosed by the invention, a sour formula is adopted, and decomposition of an odor source-chlorinated trimethylamine in the seafood is also inhibited to a certain degree. The seafood fresh-keeping agent not only is capable of expressing anti-corrosion and fresh-keeping effects of the seafood, but also is capable of effectively reducing a peculiar smell of the seafood.

The invention discloses a preparation method of granulated graphite for a refractory castable material. The preparation method comprises the following steps: firstly, coating the surface of flake graphite with a ZrO2 coating; then compounding the flake graphite with a refractory raw material, silicon carbide ceramic powder and an antioxidant; granulating by adopting a cold isostatic pressing technology to obtain the granulated graphite. According to the preparation method disclosed by the invention, the surface of the flake graphite is coated with Zr(OH)4 gel firstly, so that the water wettingperformance and the anti-oxidization performance of the modified graphite are remarkably improved; meanwhile, the Zr(OH)4 gel can have the effect of a bonding agent in a granulation process so that the dosage of a phenol formaldehyde resin bonding agent is reduced, even the phenol formaldehyde resin bonding agent is not added; after the Zr(OH)4 gel is roasted, efficient combination between the refractory raw material and filling including the graphite and the like can be realized; a cold isostatic pressing granulation technology is adopted so that the stress on a prepared blank is uniform; particle pellets uniformly cover the flake graphite so that the flake graphite does not float freely; defects that a molded layer is cracked and the density of a product is low and the like, caused by graphite segregation, are effectively avoided, and the aim of introducing the graphite into the castable material is effectively realized.

The invention discloses a novel FeCrMnVSix high-entropy alloy coating and a preparation method thereof, and belongs to the technical field of preparation of high-entropy alloy coatings through surface modification and laser cladding. The high-entropy alloy coating with excellent quality is prepared by selecting a laser cladding technology, the phase structure of the coating is a single body-centered cubic (BCC) solid solution structure, and the high-entropy alloy coating has the characteristics of high hardness and good high-temperature oxidation resistance. The preparation process is simple, operation is easy, repeatability is high, the powder cost is low, the high-entropy alloy is easy to form, and the application direction of the high-entropy alloy coating prepared through the laser cladding technology in the field of surface modification is widened.

The invention discloses a conjugated linoleic acid type multifunctional food capable of reducing blood lipid and reducing weight. The multifunctional food is made from the following components in parts by weight: 10-30 parts of conjugated linoleic acid glycerides microcapsule powder, 5-10 parts of cis-9, trans-11-conjugated linoleic acid acyl, 5-10 parts of trans-10, cis-12-conjugated linoleic acid acyl, 10-20 parts of a licorice root extract, 10-20 parts of a green tea extract, 8-17 parts of a spirulina extract, 8-15 parts of functional oligosaccharide, 3-10 parts of dried marine algae powder, 5-10 parts of Konjac powder glucomannan, 2-12 parts of astaxanthin and 1-6 parts of microcrystalline cellulose. The conjugated linoleic acid type multifunctional food disclosed by the invention is simple in preparation technology, has the efficacies of reducing blood sugar, reducing blood lipid, reducing weight and beautifying faces, can be eaten for a long term, is free from toxic and side effects, also has the efficacies of preventing obesity and reducing fat content of abdomens, and besides, also has the advantage of being high in oxidation resistance.

The invention discloses a preparation method for solar blind type deep ultraviolet plasma resonance nanoparticles. A laser liquid phase ablation device is adopted. A laser liquid phase ablation methodis used for preparing metal nanoparticles with a local area surface plasma resonance effect; the preparation method is simple; and a reaction product is pure, so that impurities are not easily introduced. Ascorbic acid is introduced as a carbon source, so that the metal nanoparticles can be wrapped with a carbon layer with a certain thickness, and the stability and oxidation resistance of the product can be effectively improved. The experimental controllability is high. By adjusting laser energy and ablation time, the particle size and the oxidation degree of the metal nanoparticles can be regulated and controlled. The prepared metal nanoparticles can be used for enhancing the light absorption of light (240-260nm) in the extremely deep ultraviolet waveband.

The invention discloses a super-large section hollow split conductor-type water-blocking control cable for a train. A hollow layer is arranged at the center of the cable; a single conductor single-wire layer is arranged outside the hollow layer; multiple corrugated conductor strand blocks are arranged outside the conductor single-wire layer and a corrugated water-blocking layer is arranged outside each corrugated conductor strand block; water-blocking filling strips are arranged in gaps between the corrugated water-blocking layers; and a polyester tape, a braided tinned copper wire shielding layer, a non-alkali glass fiber tape and a flame-retardant polyvinyl chloride outer sheath are sequentially arranged outside the corrugated water-blocking layers. The control cable disclosed by the invention has the functions that the production technology difficulty is reduced, the characteristic requirements of tools, molds and equipment are low, the structure is stable, the skin effect is low, the carrying capacity is high, the water-blocking property is good, and the corrosion resistance, the oxidation resistance, the high temperature resistance, the oil control property and the corrosion resistance are good.

The invention discloses an accumulator case material for new energy automobiles. The accumulator case material for new energy automobiles comprises an ABS (acrylonitrile-butadiene-styrene) resin, modified polypropylene, disodium hydrogen phosphate, tricumene phosphate, 3-aminopropyltriethoxysilane, 2-hydroxypropyl acrylate, tri(1,3-dichloro-2-propyl)phosphate, zinc borate, magnesium oxide, carbon black, 4,4'-dioctyl diphenylamine, tetraethylene glycol diacrylate and sodium 4-amino-5-hydroxynaphthyl-2,7-disulfonate. The accumulator case produced from the case material has favorable heat stability and chemical properties (oxidation resistance and corrosion resistance), and also has favorable mechanical properties (impact resistance and shock resistance), so the service life of the accumulator case is prolonged, thereby lowering the use cost and providing favorable use technique supports for new energy automobiles.

The invention discloses a steel material with the surface containing rare earth yttrium element, which is characterized in that plasma diffusion metalizing technology is used for the surface of medium and low carbon steel; rare earth yttrium element is permeated, and an alloy layer with the surface thickness of more than or equal to 50mu m can be obtained; and the steel material has the average yttrium content of 3-35% at the position 10-15mu m away from the surface. In a vacuum state, the rare earth yttrium element is permeated into the surface of the medium and low carbon steel by plasma surface metallurgical technology; and furthermore, the using quantity of the rare earth element is low, the adding technique is simple, the product cost is low, the steel material with the surface containing the rare earth yttrium element has the oxidation resistance and corrosion resistance which reach the performances of whole metallurgical rare earth steel, and the service life is long.