373results about How to "Strong anti-aging" patented technology

The invention discloses skin age multi-effect silk mask liquid which is prepared by mixing hydrosolvent, humectant, skin conditioner, preservative, thickener and ph regulator. The humectant comprises glycerin, propylene glycol, butylene glycol, maltooligosyl glucoside, hydrogenated starch hydrolysate, glyceryl polymethacrylate, PVMMA copolymer, sodium hyaluronate, betaine and baobab pulp extract, and the skin conditioner comprises nicotinamide, Herba portulacae extract, polyquaternium-51, soybean polypeptide, blackberry leaf extract, purple coneflower extract, Aloe vera extract, European horse chestnut extract, nonapeptide-1, tranexamic acid, Herba centella extract, ceramide 1, palmitoyl pentapeptide-4, oligopeptide-1, carnosine and dipotassium glycyrrhizinate. The mask liquid prepared by applying the component ratio can effectively realize efficacy of moisturizing and whitening facial skin, is free of irritation to the facial skin and has good whitening effect.

The invention discloses a non-contact capacitance induction touch screen, including a baseplate glass. One surface of the baseplate glass is plated by a horizontally connected ITO electrode matrix along the reticular Y direction; the ITO electrode matrix along the reticular Y direction is plated by an insulating layer; the insulating layer is plated by a longitudinally connected ITO electrode matrix along the X direction which is approximately complemented with the blank part of the ITO electrode matrix along the reticular Y direction. The non-contact capacitance induction touch screen provided by the invention, with built-in double-layer ITO design and an additional control processor, can achieve continuous hand-writing simulation control and operation. With no wear and tear, long service life, high luminousness, small thickness, low cost and easy operation, the touch screen can be rapidly applied to various screens of high-end and low-end electronic products of all sizes and all types, thus facilitating humanized design and industrial output.

The invention discloses a natural food additive which belongs to the technical field of food additives. The natural food additive is characterized by comprising the following substances in percentage by weight: 20%-30% of a red bayberry anthocyanin extractive, 10%-20% of a purple sweet potato anthocyanin extractive, 10%-40% of a mulberry anthocyanin extractive, 10%-50% of an okra pectin and polysaccharide extractive, 10%-20% of a folium ginkgo extractive, 0.0005%-0.0008% of selenium yeast, 2%-10% of seaweed meal, and 5%-10% of ganoderma lucidum spore powder. The natural food additive has strong functions of oxidation resistance, aging resistance, fatigue resistance, invigorating the kidney, strengthening Yang, improving immunity and reducing blood sugar, cholesterol and triglyceride. After the natural food additive is detected, the total anthocyanin content is 15%-36%, the total flavone content is 16%-28% and the total phenolic acid content is 18%-29%.

The invention discloses multi-phase combined lightweight aggregate concrete and a preparation method thereof. The multi-phase combined lightweight aggregate concrete is prepared from the following raw materials in part by weight: 1 part of cement, 0.40 to 0.50 part of fly ash, 1.836 to 2.219 parts of pumice sand, 0.028 to 0.043 part of corn straw fibers, 0.006 to 0.008 part of polyphenyl particles, 0.23 to 0.33 parts of rubber particles, 0.010 to 0.015 part of additive, 0.005 to 0.007 part of foaming agent, and 0.50 to 0.55 parts of water. The preparation method comprises the following steps:1, preparing thin-coating pumice sand and thin-coating straw fibers; 2, performing interference treatment of polyphenyl particles and rubber particles; 3, uniformly stirring the cement, fly ash, water, additive and thin-coating pumice sand; and 4, adding the polyphenyl particles, rubber particles and thin-coating straw fibers in turn, and continuing to stir. When the method is used, the mechanical performance of the lightweight aggregate concrete can be improved effectively, the thermal-insulation and heat-preservation performance is enhanced, and production cost is lowered.

The invention relates to a glass fiber reinforced plastic cable channel cover plate and a production method thereof. The cover plate is a rectangular hollow belly structure, longitudinal stiffening ribs are arranged in the hollow belly of the cover plate and the upper surface of the cover plate is provided with strip-shaped antiskid grains; the invention comprises the following raw materials: unsaturated polyester resin, curing agent, packing, polyvinyl alcohol solution, pigment, fiberglass roving and fiberglass felt; the invention comprises the following steps: (1) arranging a tooling equipment on an extrusion molding machine; (2) mixing and pouring the raw materials in a resin tank; and (3) inducing the fiberglass roving and the fiberglass felt through immersion, a performing device, a forming device, curing and cutting. The cover plate has high strength, smooth surface, neat and beautiful appearance, corrosion resistance of alkali, acid, petrol and the like, aging resistance, long service life without pulverization, discoloration, crack, deformation and the like. The invention ensures the safe operation of cables and prolongs the service life of the cables.

The invention relates to a nitrine solid propellant and a preparation process thereof. The preparation process comprises the following steps: by taking nitrine polyether glycol or polyhydric alcohol as an adhesive, nitrate as a plasticizer, terminal alkynyl polyether or terminal alkynyl polyester as an alkynyl curing agent and diisocyanate or polyisocyanate as an isocyanate curing agent, carryingout Huisgen 1,3-dipolar cycloaddition reaction on nitrinyl of a side chain of a nitrine polyether adhesive and the terminal alkynyl polyether or terminal alkynyl polyester to form a polyurethane elastomer containing a triazole ring; and introducing a Huisgen click chemosetting system based on a polyurethane curing system. The invention relates to the nitrine solid propellant. The propellant has apolyurethane curing mode and a click chemosetting mode at the same time. The prepared propellant has more excellent tensile strength and modulus on the premise of keeping relatively high elongation. The propellant has good mechanical property and structural stability.

The invention discloses a preparation method of a supported noble metal catalyst. According to the method, a precursor solution is prepared from noble metal used as an active ingredient and evenly mixed with supporters; a liquid reducer is added, noble metal ions which are adsorbed or ionized on surfaces or in holes of the supporters are reduced, the noble metal is applied to the supporters in the reduced state, and mixed slurry is obtained; a cordierite matrix or a metal matrix is coated with the mixed slurry, and the supported noble metal catalyst is obtained through calcination; the noble metal is one or more of Pt, Pd, Rh, Au, Ag and Ru and serves as a raw material in forms of nitrate, chloride and an organic complex. Compared with the prior art, the method has the advantages that the noble metal is already reduced and solidified in the supporting process, and conditions that the dispersity of the noble metal is reduced and the activity is reduced due to the fact that the noble metal is gathered on the surfaces of the supporters due to migration caused by water migration in the drying process can be avoided. Besides, the dispersity of the noble metal on the supporters is good, and the sintering probability of the noble metal in the high-temperature ageing process is decreased.

The invention relates to heavy-anticorrosive epoxy finishing coat and a preparation method thereof. The heavy-anticorrosive epoxy finishing coat is a double-component system, wherein the component A comprises the following ingredients in parts by weight: 100 parts of hydrogenated bisphenol a expoxy resin, 10-30 parts of epoxy resin TDE 85, 5-20 parts of butyl titanate, 5-20 parts of fluorocarbon-containing silane coupling agent, 10-20 parts of an epoxy-containing silane coupling agent, 10-30 parts of other organic silicone precursor, 0.1-5 parts of a dispersing agent, 0.1-5 parts of a flatting agent, 0.1-5 parts of a defoaming agent, 0.1-2 parts of an accelerant and 50-150 parts of a solvent, and the component B is 30-20 parts by mass of an amine curing agent. The heavy-anticorrosive epoxy finishing coat mainly serves as outdoor heavy-anticorrosive finishing coat and has the advantages of excellent ultraviolet-resistance property, anti-yellowing property, good dispersion stability, excellent acid resistance, alkali resistance and salt-spray corrosion resistance, strong adhesive force, good wear-resisting property, self-cleaning property, room temperature curing, simple and convenient construction and the like.

The invention relates to a combined thermoplastic elastic body for an automotive glass guide groove sealing strip and a production method thereof. The combined thermoplastic elastic body comprises a thermoplastic elastic body A, a thermoplastic elastic body B and a thermoplastic elastic body C, wherein the thermoplastic elastic body A and the thermoplastic elastic body B are subjected to coextrusion lamination to form a linear sealing strip; the thermoplastic elastic body C and the linear sealing strip formed by the coextrusion lamination of the thermoplastic elastic bodies A and B are subjected to thermal injection molding adhesion to form an angular sealing strip through thermal injection molding; because the thermoplastic elastic body A has the characteristics of low friction coefficient and high abrasion resistance, the manufactured sealing strip is abrasion-resistant and has low abrasion to the glass; because the thermoplastic elastic body B has high elasticity, weather resistanceand sealing property and can carry out coextrusion lamination with the thermoplastic elastic body A, the manufactured sealing strip has high sealing property, strong anti-ageing performance and longservice life; and because the thermoplastic elastic body C has higher adhesive property and can form firm thermal injection molding adhesion with a coextrusion lamination product of the thermoplasticelastic bodies A and B, the sealing strip has the reliable performance.

The invention discloses an ultra-light flexible crystalline silicon solar cell module and a preparation method thereof. The ultra-light flexible crystalline silicon solar cell module comprises a front film, a solar cell, a support material, packaging adhesives and a rear film, wherein the front film, the packaging adhesive, the solar cell, the packaging adhesive, the support material and the rear film are sequentially arranged and are molded in a vacuum hot-pressing manner. The preparation method comprises the following steps: sequentially laminating the front film, the packaging adhesive, the solar cell, the packaging adhesive, the support material and the rear film from top to bottom; and carrying out a solidification under the vacuum conditions that the temperature is 100-150 DEG C and the pressure is 15Kpa to 30Kpa for 30-60 minutes, so as to obtain the ultra-light flexible crystalline silicon solar cell module. The ultra-light flexible crystalline silicon solar cell module disclosed by the invention has the advantages of high generating efficiency, flexibility, light weight and the like; the preparation method disclosed by the invention is integral molding; and the process is simple.

The invention discloses a selenium, zinc and calcium rich Chinese yam cultivation method including the steps of (1), soaking seedlings or roots of Chinese yam by selenium fertilizer diluent for two to four hours, planting or culturing seedlings after taking the seedlings or roots out of the selenium fertilizer diluent to dry the same, and applying 25-150kg of quick lime per mu according to the state of pH value of soil; (2), mixing selenium fertilizer and zinc fertilizer into base fertilizer during fertilizer applying; (3), mixing 10-50 g of selenium fertilizer per mu with water to water the roots and then applying topdressing; (4), spraying selenium fertilizer diluent, zinc fertilizer diluent and calcium fertilizer diluent to leaf surfaces of Chinese yam during the growth period by two to six times. By the selenium, zinc and calcium rich Chinese yam cultivation method, selenium, zinc and calcium contents of Chinese yam are increased further, nutritive value and health value of Chinese yam are enriched, and physical health of people eating the Chinese yam can be improved.

The invention relates to a environment- friendly water- borne paint. The comprised components and their weight proportion are as follows: mica pigment 40 -50%, water 7- 30%, synthetic resin 25- 60%, emulsifying agent 0.05- 0.1%, wetting agent 0.05- 0.1%, defoaming agent 0.1- 0.2%, pH modifying agent 0.05- 0.1%, film adjuvant 1- 2%, thickening agent 0.5- 1%, dispersing agent 0.1- 0.2%, conservative 0.05- 0.2%. It is characterized by strong properties of wearing resistance, covering power, antiweatherability, age resistance, thermal insulating and heat insulating property, non toxic, non smell and no pollution.

The invention discloses a selenium, zinc and calcium rich lobed kudzuvine root cultivation method including the steps of (1), soaking seed stems by selenium diluent for two to four hours, performing cuttage after taking the seed stems out of the selenium diluent to dry the same, and applying 25-150kg of quick lime per mu according to the state of pH value of soil; (2), mixing selenium fertilizer and zinc fertilizer into base fertilizer during fertilizer applying; (3), mixing 10-50g of selenium fertilizer per mu with water to water the roots and then applying topdressing; (4), spraying selenium fertilizer diluent, zinc fertilizer diluent and calcium fertilizer diluent to leaf surfaces of lobed kudzuvine root during the growth period by two to six times. By the selenium, zinc and calcium rich lobed kudzuvine root cultivation method, selenium, zinc and calcium contents of lobed kudzuvine root are increased greatly, nutritive value and health value of Lobed kudzuvine root are enriched further, and physical health of people can be improved since selenium, zinc and calcium rich Lobed kudzuvine root products are included into the food cycle .

The invention provides a manufacturing process of a quantum dot diffusion plate, and the diffusion plate. According to the manufacturing process of the quantum dot diffusion plate, PMMA is prepared by adding a quantum dot diffusant into MMA. The diffusion plate comprises a plate body and a water oxygen barrier layer; the outer surface of the plate body is coated with the water oxygen barrier layer; quantum dots and light diffusion agents are dispersed in the plate body uniformly.

High-elastic modified asphalt is prepared by using base asphalt, polymer, an antiaging agent, a synthetic ester plasticizer, and a stabilizer as raw materials; the synthetic ester plasticizer is one of or any combination of more than one of di-n-butyl phthalate, di-n-hexyl phthalate, di-n-octyl phthalate, diphenyl octyl phosphate, trioctyl phosphate, or tributoxyethyl phosphate. An asphalt mixture prepared by the high-elastic modified asphalt of the invention is especially applicable to steel bridge deck pavement; with the guarantee that the high-temperature performance of the modified asphalt is not reduced greatly, the low-temperature deformation resistance and the fatigue resistance of the modified asphalt are greatly improved; the ductility at 5 DEG C of the high-elastic modified asphalt of the invention is increased by 2-3 times when compared with that of common modified asphalt; the low-temperature ultimate bending strain at -10 DEG C of the mixture of the high-elastic modifiedasphalt of the invention is increased nearly twice when compared with that of routine modified asphalt mixture, and the fatigue life is increased by more than 5 times; and the cracking time for steelbridge deck asphalt mixture pavement is obviously prolonged.

The invention belongs to the technical field of polymer materials, particularly relates to a composite antistatic agent of a nano-metal oxide / polymer antistatic agent, as well as a preparation method and application of the composite antistatic agent. The composite antistatic agent is a compound of commercialized polymer antistatic agent and nano-metal oxide, and is applied to the antistatic polymer materials. The composite antistatic agent not only has excellent antistatic performance, permanent static protection function, less environmental humidity influence and other characteristics of a mother antistatic agent, but also can significantly reduce the filling usage amount and production cost of the mother antistatic agent in the polymer materials through the nanometer effect of nano-metal oxide and the interaction with polymer antistatic agent molecules, so as to improve the thermodynamic properties of polymer materials. The excellent antibacterial and anti-aging properties and strong ultraviolet shielding ability of nano-metal oxide give the polymer materials new potential excellent properties and broaden the application field of the polymer materials. The novel polymer composite antistatic agent is low in cost, simple in preparation method, and suitable for industrial production.

The invention provides a composite multifunctional health paint mate and a preparation method thereof, which relate to a paint mate and a preparation method thereof. According to the invention, the problems of complicated preparation process, single function and no environment protection of the traditional paint. The product comprises environment friendly functional material negative ion element, nano-zinc compound, nano-titanium dioxide, nano-silver solution, nanometer calcium carbonate and substrate emulsion paint. The method comprises the following steps of: 1) weighing raw materials; 2) mixing and stirring the nano-zinc compound, nano-titanium dioxide, nano-silver solution and nanometer calcium carbonate, and then adding the environment friendly functional material negative ion element to the mixed material, and continuing to stir the mixture so as to obtain a slurry; and 3) adding the substrate emulsion paint to the slurry and stirring the mixture so as to obtain the composite multifunctional health paint mate. The composite multifunctional health paint mate and the preparation method thereof, provided by the invention, have the advantages of simplicity and convenience in operation, multiple product functions, environment friendliness, health, capability of resisting disoperations from atmosphere and ultraviolet rays, durability, scrub resistance, alkali resistance, mildew resistance and good air permeability; and negative ions are continuously released into the air so that the paint mate can be mixed with the emulsion paint to improve the painting texture of the common emulsion paint and stop the penetrations of water and salt.

The invention relates to an anticorrosion environment-friendly building water-based coating material and a preparation method thereof. The high-strength environment-friendly building water-based coating material contains raw materials such as graphene, hydroxypropyl methylcellulose, polyamide, magnesium phosphate, fatty acid sorbitan, polysorbate, sodium hexametaphosphate, organic silicon emulsion, epoxy silane modified silicon sol, cross-linked polyethylene, tert-butyl peroxybenzoate, sodium silicate, melamine polyphosphate, N-dodecyl mercaptan, pentaerythritol, alumina silicate fiber, silicon dioxide, 2,4,5,6-tetrachloro-3-benzenedicarbonitrile, propylene glycol monomethyl ether, propylene glycol methyl ether acetate, 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, water-based polyurethane resin, acrylate, tung oil, titanium dioxide, polyvinyl alcohol, light calcium carbonate, talcum powder, titanium dioxide, silicon carbide, glass fibers, fluorine resin, water-based epoxy modified resin, styrene-acrylic emulsion and a siloxane defoaming agent. The anticorrosion environment-friendly building water-based coating material has high temperature resistance and corrosion resistance and is suitable for the coating requirements of various fields; moreover, the anticorrosion environment-friendly building water-based coating material contains no toxicity and organic solvents, has no pollution and also has the advantages of no fracturing of a coat, aging resistance, corrosion resistance and the like.

The invention provides a low-carbon high-efficiency compound magnesium silicate energy-saving and heat-insulating material, comprising the following raw materials in percentage by weight: 21-27 percent of sepiolite, 10-13 percent of silicate pulping cotton, 6-8 percent of perlite, 5-7 percent of diatomite, 1-3 percent of sodium silicate, 1-2 percent of magnesia, 14-23 percent of aluminum silicatehigh-temperature cotton, 14-22 percent of brucite, 6-8 percent of high-temperature binding agent, 1-3 percent of stabilizing agent and 3-4 percent of penetrating agent. Proved by the detection, the heat-insulating material has the advantages of lower heat conduction coefficient, wider use temperature, stronger bonding strength, high thermal shock resistant performance and no cracking, toxicity, dust and pollution and can be widely applied to chemical industry, petroleum, power, metallurgy, light industry, food, medicine, traffic, national defence, building and other industries.

The invention relates to the technical field of TPR modified materials, and specifically relates to a low-cost and high-wear-resistance TPR modified material and a preparation method thereof. The low-cost and high-wear-resistance TPR modified material is composed of the following substances: oil-extended SBS, SBS, recycled polystyrene material, a styrene-butadiene copolymer, calcium carbonate, a wear-resistant agent, yellow petroleum resin, white mineral oil and zinc stearate, wherein SBS, recycled polystyrene material, zinc stearate and white mineral oil are mixed at first, oil-extended SBS and calcium carbonate are blended into master batch by virtue of a plastic mixing mill, and finally all the materials are mixed together. The method is economical and environment-friendly; the cost of the raw materials is lowered, and polystyrene wastes are recycled; the obtained TPR shoe material is high in softness and good in wear resistance; the preparation method is capable of effectively solving the problem of poor blending performance between the recycled polystyrene material and SBS, and the obtained material is excellent in performances.

The invention discloses a strong-acid-resistant high-strength anticorrosive paint which comprises the following components in parts by mass: 25-28 parts of epoxy resin, 22-26 parts of polyurethane, 9-13 parts of silicon dioxide, 5-7 parts of titanium dioxide, 3-6 parts of zinc powder, 2-5 parts of barium sulfate, 4-6 parts of graphite, 7-9 parts of diacetone alcohol, 5-9 parts of polytetrafluoroethylene, 7-11 parts of polydimethylsiloxane, 4-8 parts of carboxymethyl cellulose, 1-3 parts of tributyl phenol polyethenoxy ether and 33-45 parts of deionized water. The invention also discloses a preparation method of the strong-acid-resistant high-strength anticorrosive paint. The product can resist corrosion of strong acid and strong alkali, performs the protective and anticorrosive functions on equipment in extreme weather, and has the advantages of excellent mechanical properties, high scrub resistance, high aging resistance, high powdering resistance, higher weather resistance, higher wear resistance, better high-temperature resistance, high safety and environment friendliness.

The invention discloses a selenium, zinc and calcium rich sweet potato cultivation method including the steps of (1), soaking stems or root tubers by selenium fertilizer diluent for two to four hours, planting or culturing seedlings after taking the stems or root tubers out of the selenium fertilizer diluent to dry the same, and applying 25-150kg of quick lime per mu according to the state of pH value of soil; (2), mixing selenium fertilizer and zinc fertilizer into base fertilizer during fertilizer applying; (3), mixing 10-50 g of selenium fertilizer per mu with water to water the roots and then applying topdressing; (4), spraying selenium fertilizer diluent, zinc fertilizer diluent and calcium fertilizer diluent to leaf surfaces of sweet potato during the growth period by two to six times. By the selenium, zinc and calcium rich sweet potato cultivation method, selenium, zinc and calcium contents of sweet potato are increased further, nutritive value and health value of sweet potato are enriched, and physical health of people eating the sweet potato can be improved.

The invention relates to a wear-resistant glove for electric power, which comprises a work part, a skirt part and an elastic adjustment part; The parts are as follows, all in parts by weight: 40-60 parts of styrene-butadiene rubber, 20-40 parts of neoprene rubber, 23-26 parts of fluoroether rubber, 0.1-15 parts of graphene, 13-15 parts of phenolic resin, silane coupling agent 1‑10 parts, 12‑15 parts of semi-reinforced furnace black, 10‑12 parts of calcined clay, 1‑2 parts of magnesium chloride, 1‑5 parts of magnesium powder, nanomolybdenum disulfide (MoS 2 ) 5-7 parts, anti-aging agent 1-10 parts, plasticizer 0-20 parts, accelerator 1-5 parts. The wear-resistant layer of the glove of the present invention has anti-aging performance, tensile resistance, wear resistance and corrosion resistance, and prolongs the service life of the glove.

The present invention is especially the recipe and preparation process of paint with stably dispersed nanometer powder. The present invention solves the problem of dispersing nanometer powder in paint stably and effectively. The nanometer modified paint prepared based on the present invention has no toxicity and no smell, and is scrub resistant, pollution resistant, high in elasticity, fungus resistant, antiseptic and ageing resistant.

The invention discloses a skin lotion with moisturizing, anti-aging and whitening and freckle removing functions. The skin lotion is prepared from white birch juice, nicotinamide, plant fermentation broth, a myrothamnus flabellifolia leaf extract, a marine dentiform algae extract, a dendrobium officinale extract, a humectant, a plant preservative, deep sea water and water. A preparation method ofthe skin lotion is very simple, and the raw materials are uniformly mixed in batches. The skin lotion disclosed by the invention has strong moisturizing, anti-aging, whitening and freckle removing effects, can significantly improve smoothness, brightness, tightness and anti-irritation ability of the skin, is non-toxic to the skin and mucous membrane, does not cause allergy, and is pleasant in fragrance and high in stability.

The invention discloses a bio-oil-based anti-ageing asphalt regenerant and a preparation method thereof. The regenerant comprises, by mass, 85-90% of bio-oil, 5-10% of a plasticizer, 1-5% of an anti-ageing agent and 1-3% of an anti-ageing agent B. The preparation and use method of the regenerant comprises the following steps: (1) adding the bio-oil and the plasticizer into a reaction vessel, and preliminarily preparing a biological regenerant; and (2) adding the biological regenerant prepared in step (1) into a 125 DEG C container, adding the anti-ageing agent A and the anti-ageing agent B according to determined mass percentages, performing stirring by using a stirrer, standing the obtained mixture after the stirring ends, and naturally cooling the mixture to room temperature in order toprepare the anti-ageing biological regenerant. The bio-oil-based anti-ageing asphalt regenerant is used in asphalt plant hot recycling to effectively recover the pavement performances of a waste asphalt mixture and improve the anti-ageing ability of the regenerated asphalt mixture, so resource saving and environment protection are achieved, and the service life of the pavement is prolonged. The regenerant has a good compatibility with asphalt, and can effectively improve the anti-ageing performance of the regenerated asphalt.

The invention provides a method of manufacturing a micro LED chip with a flip structure. The method comprises the following steps: (1) single side polishing is selected to be carried out on a sapphire substrate to grow GaN epitaxy, an ITO film layer then grows, and Mesa photoetching first and then Isolation photoetching or Isolation photoetching first and then Mesa photoetching are carried out; (2) on a substrate after Mesa photoetching and Isolation photoetching are carried out in step (1), an N-contact pattern and a Passivation pattern are made in an N area; (3) photoetching is carried out on the substrate in the former step, a PN-contact pattern is made in a P area and the N area, vacuum evaporation is carried out on a metal electrode, the thickness is 1 to 3 mum, and a photoresist is removed; (4) an ITO film layer grows on the substrate in the former step, the thickness is 0.5 to 2 mum, photoetching is carried out, a specified pattern is etched, and the photoresist is removed; and (5) back grinding and polishing are carried out on the above substrate, the thickness range is 300 to 500 mum, and manufacturing is completed. The chip maximally utilizes the light emitting surface, and the chip with the same size can have higher brightness and lower energy consumption; and insulation protection is carried out on a possible electric leakage channel, and the electric leakage possibility generated to the chip due to a back process can be reduced.

The invention discloses a composition for manufacturing a compound rubber mat and a preparation method of the composition. The composition is prepared from epoxidized natural ruber, ethylene propylene diene monomer, nitrile butadiene rubber, styrene-butadiene rubber, butadiene rubber, high styrene rubber, nanometer zinc oxide, sodium stearate, carbon black, mildew preventive, sulphur, a PBS polymer, hydroxy polyphosphoester, sodium bisulfite and a silane coupling agent. The preparation method comprises the steps that the epoxidized natural ruber, the ethylene propylene diene monomer, the nitrile butadiene rubber, the styrene-butadiene rubber, the butadiene rubber, the high styrene rubber and the PBS polymer are mixed, ultrasonic cleaning is conducted, soaking is conducted, high pressure washing is conducted, air blast drying is conducted, the mixture and the nanometer zinc oxide, the sodium stearate, the carbon black, the mildew preventive, the sulphur, the hydroxy polyphosphoester, the sodium bisulfite and the silane coupling agent are sent into a mixer for fusion, the materials are discharged in a bunched mode, shaping is conducted on the granulated materials, and a crude product is obtained and dried. According to the composition for manufacturing the compound rubber mat and the preparation method of the composition, the production technology is easy to control, the product is good in toughness, high in strength and excellent in anti-aging property.

The invention provides a polyethylene foaming thermal insulation pipe, and a preparation method thereof. The preparation method is used for solving problems of the prior art that thermal insulation properties and shock resistance of conventional solar energy pipelines are poor. The polyethylene foaming thermal insulation pipe possesses a three-layer structure; an outer layer is a protection layer; a middle layer is a thermal insulation layer; and an inner layer is a water delivery pipe. The thermal insulation layer comprises, by weight, 50 to 100 parts of a polyethylene foaming material, 0.1 to 0.6 part of an AC foaming agent, and 0.1 to 0.6 part of a foaming control agent. The polyethylene foaming thermal insulation pipe possesses the water delivery inner layer-the thermal insulation layer-the outer protection layer trinity structure; thermal insulation properties are better; the inner layer possesses antibacterial properties, so that pollution on fluid is not caused; foaming of the thermal insulation layer is realized with the polyethylene foaming material, the AC foaming agent, and ACR foaming control agent; the AC foaming agent and the ACR foaming control agent are mixed with polyethylene via physical blending, so that product surface is smooth, and impact resistance is excellent; and the outer protection layer made from a communication-grade cable material, and possesses relatively excellent aging resistance and ultraviolet resistance.

The invention discloses a preparation method of a CeO2-ZrO2-Al2O3 oxygen-storage material, and relates to a microwave calcination and coprecipitation preparation method for an oxygen-storage material for automobile exhaust catalytic purification. The preparation method is characterized in that the CeO2-ZrO2-Al2O3 oxygen-storage material is prepared from Ce(NO3)3.6H2O, ZrOCl2.8H2O and Al(NO3)3.6H2O after preparing a CeO2-ZrO2-Al2O3 precursor through coprecipitation and implementing microwave calcination. The preparation method has the effects and advantages that the CeO2-ZrO2-A12O3 solid solution oxygen-storage material, which is prepared at relatively low temperature through a microwave calcination technology, is simple in preparation process, low in cost, and remarkable in oxygen-storage capacity and thermal stability effect.