164results about How to "Guaranteed Antioxidant" patented technology

The invention relates to a separating, purifying and inspecting method of anthocyanin in blueberry wine dregs, which belongs to the technical field of functional active constituent extraction and purification. In the separating method, blueberry wine dregs or frozen blueberry wine dregs are ground into slurry or are freeze-dried and crushed into powder; and the slurry or the powder is separated in a warm extraction method in an acidified ethanol solution, and blueberry anthocyanin coarse extracting liquid is obtained through reduced pressure concentration. The blueberry anthocyanin coarse extracting liquid is purified and concentrated to prepare a blueberry anthocyanin concentrated solution. The concentrated solution is freeze-dried to obtain blueberry wine dreg anthocyanin freeze-dried powder. In the invention, the anthocyanin is separated out from waste produced by blueberry wine, which shows the research and development of simple, efficient, environment-friendly and low-cost production technology; and the content of the anthocyanin in the blueberry anthocyanin freeze-dried powder is 10-40%. The anthocyanin concentrated solution or coarse extracting liquid can be directly manufactured into oral liquid, tablets and other functional foods. The anthocyanin freeze-dried powder can be manufactured into food stain with an obvious antioxidation to be widely used in the fields of beverages, wines and the like.

The invention relates to an anthocyanidin made from Vaccinium uliginosum L. and separation and purification methods thereof, which belong to the technology field of active component extraction and purification and functional food development. The content of anthocyanidin in Vaccinium uliginosum L. is 29.8-40%, wherein the content of malvidin accounts for 4.68-5.48% of the anthocyanidin; and antioxidant activity of the anthocyanidin is as 7.8-15 times as that of Vc. The preparation method includes pre-treating raw material, cold soaking and concentrating, purifying and concentrating, and freeze dying. The ultrasonic and microwave-assisted cold soaking method is employed for separation, and an AB-8 macroporous resin static-dynamic combined absorption purification method is employed. The invention provides an environmental friendly, high-efficiency and low-cost separation and purification technology of anthocyanidin made from Vaccinium uliginosum L., which maintains product bioactivity such as antioxidant property of product and ideal separation effect, establishes the basis for wide utilization of abundant resource of Vaccinium uliginosum L. and industrialized development promotion of a series of Vaccinium uliginosum L. health food, and embodies great economic benefit and social benefit in deep processing of the Vaccinium uliginosum L.

The invention relates to an oxidation resistant coating for aluminum electrolytic carbon anode and a coating method thereof. The method is characterized in that the surface of the aluminum electrolytic carbon anode is provided with an anti-oxidation coating formed by dried and mixed coat which is sprayed on the surface of the electrode, wherein the mixed coat comprises the following compositions in weight percentage: 1 to 25 percent of bisphenol A-type waterborne epoxy resin, 0.1 to 16 percent of boron carbide, 2 to 13 percent of boric acid and / or boric oxide, 15 to 50 percent of alumina, 0 to 20 percent of pseudo-boehmite, 10 to 30 percent of alumina sol, 0.1 to 0.3 percent of foam suppressor, and the balance being water. The coating and the method adopt an alumina-based gradient boron carbide oxidation resistant coating with a multilayer structure, and effectively blocks the contact of air and CO2 with carbon anode carbon, thereby avoiding or reducing excessive consumption of the carbon anode carbon. The method can realize carbon conservation by aluminum electrolytic prebaked anode by 10 to 20 kilogram / ton-Al.

The invention relates to the extraction and utilization of rosmarinus officinalis, and discloses a method for comprehensively extracting the rosmarinus officinalis and preparing a fat-soluble instant antioxidant. The method comprises the following steps of: mincing raw materials rosmarinus officinalis tender stems or leaves which are dried in shade, and distilling the minced rosmarinus officinalis tender stems or leaves by using water vapor to obtain rosmarinus officinalis essential oil and distillation residues; and performing percolation extraction on the distillation residues by using ethanol, performing ethanol recovery treatment on extracting solution, obtaining a water-soluble antioxidant from a water phase, dissolving precipitates by using a low-boiling solvent, and decreaming a carnosic acid into cooking oil after decoloring; and performing concentration, and recovering the solvent to obtain a fat-soluble instant antioxidant product with the carnosic acid content of 5 to 20 percent. The method has the advantages of high yield, full raw material utilization, low production cost and the like; and in addition, the application performance of a rosmarinus officinalis antioxidant product is greatly improved, and the rosmarinus officinalis antioxidant can be more conveniently and efficiently used.

The invention discloses clear sugar-free tartary buckwheat tea and a production method thereof. The clear sugar-free tartary buckwheat tea is characterized by being prepared through the following processes: removing impurities of tartary buckwheat with skin taken as raw material, boiling, roasting, digesting, centrifugally separating, carrying out enzymolysis, roughly filtering, deactivating enzyme, allocating, finely filtering, sterilizing, filling and sealing, carrying out inverted bottle sterilization and cooling, labeling and spraying code, and packing; the prepared tartary buckwheat tea has flavor of roasted tartary buckwheat, is fresh and tasty, and contains bioactive substances, namely flavonoids compounds. According to the method disclosed by the invention, industrial production on a large scale can be realized; the produced tartary buckwheat tea beverage is golden, clear and transparent, and effectively reserves bioactive substances, namely flavonoids compounds, in the tartary buckwheat; the tartary buckwheat tea can be stored, circulated and sold at normal temperature, and is relatively long in shelf life.

The invention discloses a preparation method of an ultrathin high-strength polyolefin microporous film. Polyolefin resin is used as a raw material, and the polyolefin microporous film is prepared by a thermally induced phase separation principle. The method comprises the following steps: a. polyolefin swelling dissolving; b. sheet casting; c. stretching a polyolefin cast film once; and d. stretching the polyolefin cast film secondarily. The invention also discloses the polyolefin microporous film prepared by the method. The method has the advantages of semi-continuous production convenience, simple process flow and simplicity in operation.

The present invention discloses a tea extract-containing microemulsion, a preparation method and applications thereof. The tea extract-containing microemulsion comprises the following components by weight: 0.1% to 8% of tea extract, 30% to 70% of oil phase, 0.05% to 0.5% of synergistic agent, 10% to 50% of emulsifier, 0% to 20% of co-emulsifier and 1% to 5% of water; wherein the synergistic agent is ascorbic acid or / and citric acid, the tea extract is epigallocatechin gallate or / and theaflavin-3, 3'-digallate. The present invention also provides the preparation method and applications of the tea extract-containing microemulsion. The tea extract containing microemulsion has characteristics of uniform, transparent, stable property, strong oxidation resistance, and simple and controllable preparation method.

A method for producing high-strength thin strip steel in a short process comprises the first step of carrying out smelting and casting, wherein a twin roll strip casting technology is adopted, the second step of carrying out online hot rolling, the third step of carrying out cooling, wherein atomization cooling is adopted, the atomized cooled water mist is directly sprayed on the surface of the strip steel, the fourth step of carrying out scale breaking and blowing for sweeping, the fifth step of carrying out anti-oxidation intensive cooling and scale removing, wherein gas along with dry ice is directly sprayed on the surface of the strip steel for scale removing and intensive cooling, the sixth step of carrying out jet flow for scale removing, wherein solid-liquid mixed media are sprayed to the surface of the strip steel at a high speed, and the seventh step of carrying out straightening and reeling up. According to the method, the twin roll strip casting technology is utilized for producing the thin high-strength strip steel containing copper, hot rolling is performed on the casting belt, and then staged intensive cooling, oxide skin controlling and acid-free scale removing are combined and performed on the casting belt, so that the length of a production line is further shortened, and productivity is enhanced; meanwhile, the strength of the strip steel is increased through intensive cooling, the malleability of the strip steel is improved through grain refinement, and pollution to the environment is reduced by the adoption of the acid-free scale removing method.

A honeysuckle flower beer is prepared through choosing raw materials, proportioning, gelatinizing, sacaharifying, fermenting, and adding the raw honeysuckle flower juice (0.2-0.5 wt.%) which containschlorogenic acid (1-5 wt.%). Its advantages are sure health-care function of improving immunity and killing virus and agreeable unique taste.

The invention discloses high-speed tool steel for drill bits, which comprises the following components: 0.90-0.98% of C; 5.00-5.80% of W; 4.00-4.60% of Mo; 3,80-5.00% of Cr; 1.80-2.20% of V; 0.25-0.45% of Mn; 0.2-0.40% of Si; 0.08-0.30% of Nb; 1.30-1.60% of Co; not more than 0.03% of P; not more than 0.03% of S; and the balance of Fe. According to the invention, the using amounts of precious metal tungsten and molybdenum are reduced; a little niobium is added; the steel is provided with good application performance and processing performance; and prepared cutters have increased service life.

The invention relates to the fields of high-temperature corrosion resistance and self-lubrication, in particular to a high-temperature-resistant and oxidation-resistant metal-based self-lubricating composite material and a preparation method thereof. According to the composite material, high aluminum nickel based alloy serves as a matrix, calcium fluoride / barium fluoride co-crystals and enamel serve as a self-lubricating phase, aluminum oxide serves as a hard phase, rare earth oxides prepared from ceric oxide, yttria and the like at any ratio serve as an antioxidant, spark plasma sintering is conducted, and thus the composite material is prepared, specifically, the composite material comprises, by weight, 65-82% of high aluminum nickel based alloy, 8-15% of the self-lubricating phase, 6-15% of the aluminum oxide and 2-10% of the antioxidant, the weight percentage of the calcium fluoride / barium fluoride co-crystals is smaller than or equal to 10%, and the weight percentage of the enamel is 3-10%. Through high aluminum design of the nickel based alloy and addition of the antioxidant and the enamel serving as the novel high-temperature self-lubricating phase, the composite material integrates the properties of high-temperature resistance, oxidation resistance and excellent self-lubrication, and can be applied to part production under the oxidation-resistant, high-temperature-resistant and self-lubricating environment.

The invention discloses an antioxidant functional food. The antioxidant functional food comprises active ingredients such as European blueberry extract, water-soluble Haematococcus pluvialis, olive fruit powder and a conifer cherry concentrate. The European blueberry extract contains 35% by weight of anthocyanin. The water-soluble Haematococcus pluvialis contains 2% by weight of astaxanthin. The olive fruit powder contains 1.5% by weight of hydroxytyrosol. The conifer cherry concentrate contains 17% by weight of natural vitamin C. The antioxidant functional food comprises various raw materials, has strong antioxidant ability and good benefits for heart and cerebral vessels, and utilizes safe raw materials.

The invention relates to a polyvinyl chloride (PVC) composite material for Textilene cloth, which belongs to the technical field of high polymer materials. In order to overcome the technical problems existing in the prior art adopting bisphenol A to realize a PVC composite material with high oxidization resistance and high aging resistance, the invention provides a PVC composite material for Textilene cloth. The PVC composite material comprises following components in parts by weight: 100 parts of PVC, 2.0 to 4.0 parts of chelating agent, 10 to 20 parts of environment-friendly plasticizer, 5.0 to 10 parts of corn starch, 2.0 to 5.0 parts of fire retardant, 0.3 to 1.0 part of weather-resisting agent and 1 to 3 parts of antioxidant; and the PVC composite material also comprises one or more of lubricant, dispersant or antibacterial agent. The PVC composite material has advantages of good oxidization resistance, good plasticizing effect, long anti-aging time, good mechanic performance and no toxic bisphenol A. Moreover, yarns which are produced by the PVC composite material have good abrasion performance.

The invention provides an alloy material with high temperature coefficient of resistance. The alloy material is prepared by adding six metal components as the additives to nickel-ferrum alloy, and smelting same to obtain the product, wherein the six metal components are respectively germanium, zirconium, cerium, titanium, aluminum and ferrum; and the alloy material comprises the following components in percentage by weight: 50-65% of component Ni, 14-21% of component Cr, 0.1-0.9% of component Ge, 0.15-0.5% of component Ce, 0.2-1% of component Zr, 1.1-3.5% of component Ti, 0.5-2% of component Al, and the balance of component Fe. The invention also provides a preparation method of the alloy material. The alloy material prepared by the preparation method provided by the invention is of 8.2g / cm<3> based on the density, and has the resistivity of 1.53 (microhm.megabyte.20 DEG C); and the alloy material has temperature coefficient of resistance of 240aR / *10<-6>DEG / C under 100-800 DEG C; and the temperature is in good linear relation to the resistivity.

The invention provides a graphene functionalized nano needle tip. The needle tip is a metal needle tip of which the surface is covered with a continuous graphene layer, the diameter of the tip end ofthe metal needle tip is 10-500 nm, and graphene and the surface of the needle tip are in good interface contact. The invention further provides a preparation method of the graphene functionalized nanoneedle tip. The graphene functionalized nano needle tip is in a good needle tip shape, the tip end of the needle tip is sharp, and the surface of the needle tip is flat; graphene formed in a large-area range is continuous and free of wrinkles. Sine graphene has excellent electric properties and graphene and the surface of the needle tip are in good interface contact, the graphene functionalized nano needle tip prepared by the method has incomparable electrical conductivity and durability in comparison with common metal needle tips. In addition, through chemical properties of graphene, the oxidation resistance of the improved functionalized nano needle tip is guaranteed.

It is a compound nanometer particles of Fe / (SiO#-[2]+C) nucleus or shell with high stability. The process method comprises the following steps: to use iron salt as material and citric acid or other organic acid and organic amine as bonding agent and non-water ethanol as solve agent to form even non-water glue; to join silicic acid ethyl acetate and after vaporizing and condense to form solid glue; to pre-sinter in the air to remove the organic material; to deoxidize in H#-[2] and different temperatures to get the particles.

The invention relates to a zipper wire material, which is in a linear state. A main body of the zipper wire material comprises a head part and a pair of leg parts, wherein cross section leg parts of the linear main body are arranged at two sides of the main body and outsides extend so that the two leg parts are in an open state, the leg parts comprise leg claws, the leg claws are arranged at the end parts of the leg parts, the main body comprises an inner main body and a covering layer, and the covering layer for enhancing the metal intensity and the oxidation resistance capability of the zipper wire material is covered and pressed outside the inner main body. The invention also provides a zipper tooth made of the zipper wire material. The zipper tooth has the technical characteristics identical to that of the zipper wire material. Because the zipper wire material and the zipper tooth are provided with the covering layer, the covering layer has better metal intensity and oxidation resistance capability, and the physical performance and the oxidation resistance capability of the zipper wire material and the zipper tooth can be improved through the arrangement of the covering layer.

The invention discloses recycled fine aggregate high-strength self-compacting concrete and a preparation method thereof. The concrete is prepared from, by weight, 40-50 parts of modified steel slag fiber, 10-20 parts of modified polyurethane, 10-20 parts of modified epoxy resin, 160-170 parts of cement, 250-300 parts of coarse aggregate, 180-200 parts of recycled fine aggregate and 70-80 parts ofwater, wherein the coarse aggregate comprises natural coarse aggregate and recycled coarse aggregate, the natural coarse aggregate is a mixture of broken stone and river sand, and the recycled coarseaggregate is a mixture of slag, broken stone, waste ceramic and building solid waste. The invention discloses a preparation method of the recycled fine aggregate high-strength self-compacting concrete, the prepared concrete is high in strength and excellent in mechanical property, steel slag fibers can be prevented from being corroded by the concrete, and the whole concrete has excellent corrosionresistance, can be applied to extreme environments such as acidic and alkaline environments and is high in practicability.

The invention main discloses a casting lipid-type oxidation control process. The casting lipid-type oxidation control process is characterized by adding a pre-treatment process after finishing a casting manufacturing process, wherein the pre-treatment process comprises the following steps of: fully soaking fresh casting in a mixed solution at normal temperature for 8-24h after mixing sodium chloride saturated solution with an antioxidant with mixed three substances, namely vitamin A, vitamin B and vitamin E, according to the mass concentration of 0.01-0.2. The casting lipid-type oxidation control process disclosed by the invention has the advantages of strengthening the oxidation resistance of the casting, reducing the problem of oxidation of casting lipid due to the contact with oxygen during preservation, and providing stable conditions for the preservation of the casting after carrying out the pre-treatment on the casting by utilizing an antioxidation reducing agent.

The invention discloses an extraction method of raspberry for preventing primary carcinoma of liver. The prior extraction method has many defects. The extraction method of the raspberry for preventingprimary carcinoma of liver comprises: picking fresh raspberry in a ripening season, grinding the fresh raspberry and removing slag; fully stirring the ground raspberry from which the slag is removed,filling he ground raspberry in a breaker and placing the breaker on an ice block; adding 200 milliliters of 80 percent acetone in 100 grams of raspberry, and mixing the mixture in a pre-cooled mixerfor 3 minutes; continuously homogenizing and stirring the mixture by using a homogenizer for 2 minutes; filling homogenate in a filter flask which is connected with a vacuum pump and provided with filter paper; collecting filtrate, filling the filtrate in a rotary evaporator and performing rotary evaporation at 50 DEG C for 45 minutes; adjusting the volume of the filtrate with deionized water to afinal volume of 50 milliliters; and placing the solution at 20 DEG C below zero to 80 DEG C below zero for refrigeration. The method is an extraction method of raspberry.

The invention provides a coating for a liquid lifting pipe made of silicon nitride combined with silicon carbide and a preparation method of the coating. Each of the inner wall and the outer wall of the liquid lifting pipe is coated with an anti-oxidation layer, the anti-oxidation layer on the inner wall is coated with an anti-aluminum-adhesion layer, each anti-oxidation layer comprises silicon carbide micropowder, boron oxide, yttria-stabilized zirconia, high-alumina cement, sodium hexametaphosphate, silica sol and aluminum dihydrogen phosphate, and the anti-aluminum-adhesion layer comprises boron nitride, talcum powder, aluminum triphosphate, silica sol and aluminum dihydrogen phosphate. The coating is low in material cost, a low-temperature forming method is adopted during preparation, and high-temperature sintering is not needed, so that process difficulty and production cost are lowered greatly; by arranging the coating, excellent thermal shock resistance of the liquid lifting pipe is guaranteed, the liquid lifting pipe has good anti-oxidation and anti-aluminum-adhesion effects, service life of the liquid lifting pipe is prolonged, time interval for cleaning aluminum adhered on the inner wall is prolonged, and using cost is lowered.

The invention discloses a carved pattern timber door manufacturing technology which comprises the following steps: making timber, drying, carrying out finishing cutting and assembly treatment, carving, polishing, carrying out hot press molding, spraying paint, airing, checking a product, packaging and putting in storage. The carved pattern timber door manufacturing technology is simple and time-saving and labor-saving; the drying after timber selection can fundamentally ensure the quality of a timber door to prevent expansion and damage due to excessive moisture during the using process; the assembly hot pressing manner can reduce gaps to prevent moths; and in addition, paint spraying after forming can further ensure that the carved pattern timber door can resist oxidation and prevent moths during the using process.

The invention provides a high-power continuous fiber laser-based hot-drawing, molding and welding apparatus for a spiral fin coil. The apparatus comprises a main machine stand; a pair of linear tooth bars are fixedly mounted on the main machine stand; a spindle seat is arranged between the pair of linear tooth bars and is provided with a rotating chuck; the chuck rotates under the driving of a chuck rotation motor arranged on the spindle seat; the side, opposite to the chuck, of the main machine stand is provided with a double-cantilever mold base; a molding mold is adhered on one side surface of the double-cantilever mold base; a high-power continuous fiber laser is arranged above the double-cantilever mold base; a to-be-welded steel belt is fed along a Y-axis direction, passes through a guide pulley, an intelligent ultrahigh-frequency eddy-current heating machine and a constant-temperature oil tank which are arranged at one side of the double-cantilever mold base, and then extends to a place located between the molding mold and the double-cantilever mold base; and laser beams emitted by the fiber laser irradiate the extruding joint of a steel pipe and the steel belt for welding, so spiral fins are formed on the surface of the steel pipe. The invention has the beneficial effects that the integral precision and efficiency of the apparatus are greatly improved, and the molded spiral fin coil has greatly improved quality.

The invention relates to a nanoporous antioxidant resin-based composite material and a preparation method thereof. The composite material comprises the following components by mass: 20-80 wt% of antioxidant resin and 20-80 wt% of a reinforcer. The preparation method comprises the steps: (1) preparation of an antioxidant resin solution; (2) low-pressure RTM impregnation; (3) a sol-gel reaction; and(4) drying to finally obtain the composite material. Compared with the prior art, the composite material prepared by the invention has the advantages of light weight, high strength, excellent heat insulation property, ablation resistance, adjustable nanoparticle network structure and the like; through the synergistic effect of physical and chemical antioxidants, the oxidation resistance of a prepared matrix resin is greatly improved compared with the oxidation resistance of traditional resin, and the matrix resin has the advantages of good oxidation resistance in an environment with a temperature of 600-2000 DEG C and the like and can be widely applied to an external heat protection system of a hypersonic aircraft in an aerobic atmosphere.

The invention discloses fruit and vegetable composite ferment powder. The fruit and vegetable composite ferment powder is prepared from the following raw materials in parts by weight of 20-30 parts ofsugarcane, 60-80 parts of apples, 30-40 parts of water chestnuts, 20-30 parts of strawberries, 6-18 parts of loquats, 6-18 parts of green plums, 30-50 parts of carrots, 20-30 parts of cucumbers, 10-30 parts of white gourds and 10-30 parts of parsley. According to the fruit and vegetable composite ferment powder disclosed by the invention, the sugarcane, the apples, the water chestnuts, the strawberries, the loquats, the green plums, the carrots, the cucumbers, the white gourds and the parsley are used as the raw materials and are in a reasonable compounding ratio, through controlling fermentation temperature, the compounding ratio of the raw materials, the proportion of strains and the like, and all the raw materials are in direct synergetic effects and interact, so that the fruit and vegetable composite ferment powder disclosed by the invention is guaranteed to have the effects of resisting oxidation, clearing heat from throat, improving the condition of the throat, clearing heat andremoving toxicity.

The invention discloses a preparation method of natural oxidation-resistant fried potato chips, and the preparation method comprises the following steps: performing color protection and flavoring on fresh potato chips, after freezing treatment, putting the potato chips into edible oil containing a natural antioxidant additive for performing vacuum frying, and then performing vacuum oil removing toobtain the potato chips. According to the preparation method of the natural oxidation-resistant fried potato chips, lycopene and / or beta carotene is dissolved in the edible oil and a vacuum low-temperature frying process is adopted, so the oxidation-resistant activity of the natural antioxidant additive is effectively and persistently kept, the natural antioxidant additive is uniformly and abundantly infiltrated into the potato product, and the obtained potato chips have higher safety in use and a health function.

The invention discloses an engine lubricating oil filtering material. The engine lubricating oil filtering material is characterized by being prepared by the following steps of: splitting bamboo into bamboo filaments and cutting the bamboo filaments into bamboo filament segments; softening, soaking, cooking and washing the bamboo filament segments with clean water; baking or drying the bamboo filament segments in the sun and dressing to prepare bamboo fibers; softening and soaking hemp fabric or flax or apocynum, washing with clean water or drying the hemp fabric or flax or apocynum naturally, cutting into segments and dressing to prepare fibrilia; making the bamboo fiber and fibrilia into a filter felt by a conventional non-woven production technique and performing high-temperature shaping to obtain the engine lubricating oil filtering material. The engine lubricating oil filtering material and the production technique have the advantages of simple production technique, good filtering effect, energy conservation, cost reduction and long service life of the engine.

The invention relates to the technical field of metallurgical corrosion prevention, in particular to a zinc-aluminum-magnesium steel plate and a preparation method capable of effectively controlling black spots on the surface of a hot dipped zinc-aluminum-magnesium steel plate by a CSP process. The zinc-aluminum-magnesium steel plate comprises a substrate and a plating layer arranged on the substrate; the substrate comprises the following chemical components of, by mass percent, 0.045-0.070% of C, 0.020-0.050% of Als, 0.0020-0.0050% of Ca, and the balance Fe and inevitable impurities; the plating layer comprises the following chemical components of, by mass percent, 9-13% of Al, 1-4% of Mg, 0.01-0.3% of Si, 0.01-0.1% of Ni, the balance Zn and inevitable impurities. By controlling the chemical components of the plating layer and the substrate as well as the dosage of each chemical composition, the formed zinc-aluminum-magnesium steel plate is ensured to have good surface quality and noblack spot defects on the surface, so that the zinc-aluminum-magnesium steel plate has good corrosion resistance, binding force and the like.