30results about How to "Component configuration is reasonable" patented technology

The invention discloses a formula of a water-based soldering flux for automatic welding of a lead-acid storage battery pole group. The water-based soldering flux is composed of the following components of, by mass, 33-50% of an organic acid activator, 20-35% of a high-boiling-point solvent, 3-5% of a wetting agent, 0.5-1% of a surfactant, 0.5-1.5% of a corrosion inhibitor, 3-5% of an activity enhancer and the balance deionized water. According to the formula, a proper amount of the organic acid activator and a proper amount of the active enhancer are added into the components, so that the activity of the soldering flux is greatly enhanced; a trace of the wetting agent and a trace of the surfactant are further added in the components, so that a connecting port welding environment between apole plate and a bus bar is improved, the surface tension difference between the connecting port is remarkably reduced, the regular flow of a lead solution is promoted, fusion of the lead solution anda base material is facilitated, a welding seam formed by welding is full, the joint is firm, and in addition, the formula is characterized in that no emission and no residue exist during actual use.

The invention belongs to the field of traditional Chinese medicines, and particularly relates to a traditional Chinese medicine composition for treating the nonunion of a postoperative cut. The traditional Chinese medicine composition can be prepared from ginseng, angelica sinensis, ligusticum wallichii, turtle shell, radix angelicae, frankincense, panax notoginseng, semen coicis, fried bighead atractylodes rhizome, golden cypress, cornu cervi degelatinatum, radix paeoniae rubra and liquorice. The raw materials can be prepared into decoctum which is taken twice each day. The traditional Chinese medicine composition is convenient to take, simple in formula and reasonable and effective in component allocation, has the functions of tonifying spleen, enriching the blood, removing stasis and expelling toxin, is suitable for treating a symptom that the cut is difficult to heal after surgery operation and has obvious curative effect, and the effective rate is 90%.

The invention discloses a cyclic type ternary lithium battery. The cyclic type ternary lithium battery comprises a positive electrode, a negative electrode, a conducting agent, a diaphragm and electrolyte, wherein the surface of the positive electrode is coated with positive slurry which is prepared from the following materials in percentage by weight in dry powder: 90-95% of ternary material, 2-6% of conducting agent and 3-6% of PVDF (Polyvinylidene Fluoride); the positive slurry is blended by using NMP (N-Methyl Pyrrolidone). The surface of the negative electrode is coated with negative slurry which is prepared from the following materials in percentage by weight in the dry powder: 89-95% of soft carbon and artificial graphite mixed material, 2.5-6% of conducting agent, 1.5-4.5% of CMC (carboxymethyl cellulose) and 1.5-3% of SBR (styrene butadiene rubber); the negative slurry is blended by using water. The invention also relates to a preparation method of the positive electrode and the negative electrode of the cyclic type ternary lithium battery. The product prepared by the invention not only has high cyclic times, but also is stable. Proved by the above, the product prepared bythe invention has good overcharge-preventing capability so as to ensure safe use.

The invention discloses a no-cleaning flux for lead acid battery manufacturing. The flux is prepared by mixing the following components in percentage by mass: 40-50% of ethanol, 30-40% of rosin, 4.0-8.0% of castor oil, 0.3-1.0% of surface active agent, and the balance of ultrapure water. The prepared flux is enough in surface activity, and is suitable for welding various lead alloy components; andresidues are hardly remained on the surfaces of welding lines after welding, so that cleaning is not needed after welding. Even if few residues are on the surfaces of the welding lines, cleaning is not needed; and the residues are stable in property, so that corrosion cannot occur. As the flux has excellent characteristics, when the flux is applied to lead acid battery busbar and polar lug welding, the welding quality can be prominently improved, the auxiliary workhour is greatly reduced, and the environmental pollution problem is prevented.

The invention discloses an oil-resistant low-pressure-change skeleton oil seal material for reciprocating dynamic sealing, wherein the oil-resistant low-pressure-change skeleton oil seal material comprises, by weight, 220 parts of ethylene propylene diene monomer, 85 parts of silicone rubber, 60 parts of natural rubber, 45 parts of fluororubber, 35 parts of polyvinyl chloride resin, 15 parts of ultrahigh molecular weight polyethylene fiber, 9-13 parts of modified poly(propylene carbonate), 7-11 parts of ultrafine polytetrafluoroethylene powder, 1-5 parts of nanometer tungsten carbide, 3-7 parts of zinc acrylate, 1-5 parts of rock wool fiber, 3-7 parts of dimethyl phthalate, 1-5 parts of carbon steel fiber, 2-6 parts of benzyltriphenylphosphonium chloride, and other components. According tothe present invention, the oil-resistant low-pressure-change skeleton oil seal material has characteristics of reasonable matching of various component, good sealing property, low raw material cost,can meet the requirements of the existing oil seal on oil resistance and pressure resistance, and can expand the use range of the oil seal, and the oil seal has advantages of excellent high-temperature resistance, excellent fire resistance, excellent flame retardant property, excellent anti-drag property, excellent wear resistance and the like, and is suitable for wide promotion.

The invention discloses preparation method of an alcohol base liquid fuel and an alcohol base liquid fuel additive. The alcohol base liquid fuel additive comprises the following raw material components in parts by weight: 0.4-0.6 part of ferrocene, 0.4-0.6 part of light aromatic hydrocarbon, 0.4-0.6 part of methyl tertiary butyl ether, 0.4-0.6 part of tert-butyldimethylsilane, 0.2-0.5 part of simethicone, 0.9-1.1 parts of octane value conditioning agent and 0.9-1.1 parts of isomerization conditioning agent; and the alcohol base liquid fuel comprises the following raw material components in parts by weight: 65-75 parts of alcohol, 25-34 parts of crude benzene and 0.9-1.1 parts of the alcohol base liquid fuel additive. The alcohol base liquid fuel is simple in preparation method, low in investment, low in cost, free of corrosion, swelling property reaction or modification of an engine, high in octane value, good in combustion performance, high in power, long in storage period and high in using safety, the alcohol base liquid fuel can be extinguished with water, the acceleration is quick, the exhaust gas is odorless, the emission of harmful gas can be effectively reduced, the fuel has important strategic significance for national energy security, the application prospect is wide, and the alcohol base liquid fuel has better economic benefit, social benefit and ecological benefit.

The invention discloses a composite component of lead oxide and graphene oxide. The composite component comprises the following components metered by mass ratio that: graphene oxide:dispersant:sodiumborohydride is 1:1:10, lead acetate:sodium carbonate is 3:1, wherein graphene oxide:lead acetate is 1:20 to 1:60. The present invention further comprises a matching preparation method. The method comprises the steps of: adding weighed graphene oxide to a mixer, adding lead acetate for uniform stirring, and adding the dispersant for stirring to form a mixed solution; adding the weighed sodium borohydride into the mixed solution, heating the mixed solution to the temperature of 80+-5 DEG C in the stirring process, and performing reaction in the temperature condition; and adding the weighed sodium carbonate in the stirring state, and obtaining a mixed suspension of graphene oxide and sodium carbonate after stirring, performing filtering and cleaning of the suspension to obtain a precipitate,putting the precipitate into an experimental atmosphere electric furnace for heating, and performing calcination in the argon shield to obtain the composite component of lead oxide and graphene oxide.

The invention discloses a damp-proof water-proof paint for air compressors and a preparation method thereof. The paint is composed of the following raw materials in parts by weight: 36-42 parts of acrylate emulsion, 12-16 parts of tetrabutyl titanate, 6-8 parts of expanded glass beads, 5-7 parts of PAN-based carbon fibers, 2-8 parts of erucyl amide, 2-6 parts of nano copper powder colloidal solution, 1-5 parts of pigment, 4 parts of magnesium oxide nano particles, 6 parts of polyaluminium sulfate, 3 parts of dodecanol ester, 8 parts of chlorinated polyethylene and 2 parts of polyacrylamide. The paint is reasonable in component configuration, low in cost and scientific in preparation method, and the prepared paint has excellent water-proof and damp-proof performance, the corrosion resistance, the weather resistance, the storage stability, the salt fog resistance, the acid and alkali resistance, the rust resistance and the like of the paint are improved, the method is rapid in drying, good in adhesive force, convenient to construct, safe and environment-friendly. The paint is suitable for the air compressor, in particular for the air compressor in a humid environment for a long time.

The invention discloses a graphene composite material applied in preparing a spinning rubber covered roller and a preparation method thereof. The graphene composite material comprises, by weight, 100parts of polyurethane, 32 parts of graphene, 11 parts of zinc acetate, 8 parts of high-strength carbon fiber, 1 part of antimony dioxide, 1 part of cobalt aluminate, 2 parts of electrolyzed silver powder, 4 parts of allyl nitrile-styrene dipolymer, 3 parts of epoxy fatty acid methyl ester, 3-7 parts of SDS mineral powder, 1-3 parts of polymerized aluminum sulfate, 2-4 parts of cyclohexanone, 1-5 parts of 3-aminopropyl triethoxy silane and 1-3 parts of (3-lauroamide propyl) trimethyl ammonium sulfate. The graphene composite material is reasonable in component arrangement, the preparation methodis simple, and performances of the spinning rubber covered roller can be improved effectively; the graphene composite material has excellent wear resistance, so that strength of the rubber covered roller is enhanced, softness of the surface of the roller is ensured while the surface of the roller has certain friction coefficient, and static electricity and spinning burrs can be avoided effectively.

The invention discloses a protective coating for metal heat treatment. The protective coating is prepared from the following raw materials in parts by weight: 15 to 25 parts of aluminum oxide, 10 to 20 parts of organosilicone, 1 to 10 parts of phenolic aldehyde, 5 to 15 parts of mica powder, 10 to 20 parts of glass ceramic, 5 to 10 parts of acrylic acid, 20 to 30 parts of clay, 5 to 15 parts of barium metaborate, 15 to 25 parts of waterborne polyester resin, 5 to 10 parts of polyvinyl alcohol, and 10 to 20 parts of water. The protective coating for metal heat treatment has the advantages thatthe component configuration is reasonable; the use effect is good; the temperature-resistant property is good in the metal heat treatment process.

The present invention provides a bogie applicable to an urban rail transit engineering vehicle. The bogie applicable to the urban rail transit engineering vehicle is characterized in that two rubber springs are obliquely installed on the both sides of a wheelset axle bearing housing at one end of a frame body, and axle gear boxes used for driving a wheelset are installed on the both sides of the middle of the frame body. Through the arrangement, engineering vehicles used for the maintenance of urban rail transits can steer flexibly along with a rail within the angle of the curve radius being 19m after being provided with the bogie for use.

A lead paste for negative electrode of carbon gel battery is prepare from dilute sulfuric acid, deionized water, short fiber, carboxymethyl cellulose, sodium lignosulfonate, barium sulfate, silicon dioxide, carbon fiber and lead powder. The invention also discloses a preparation method of carbon gel battery negative electrode lead paste. As that carbon fib is added into the negative electrode leadpaste formulation, the conductivity of the carbon gel battery is effectively improve, and the large current discharge and charging acceptance ability are improved. Silica acts as a stationary liquidin the composition, which causes the electrolyte to be encapsulated in the colloid of the three-dimensional system, thus delaying the water loss of the battery. The invention has the advantages of reasonable component configuration, obvious performance improvement of the negative electrode lead paste, preparation under conventional conditions and easy industrial production.

The invention provides an energy-absorbing anti-collision material easy to cast and form. The energy-absorbing anti-collision material easy to cast and form is characterized by comprising, by weight, 100 parts of aluminum powder, 5 parts of tungstate, 5 parts of carborundum, 2 parts of iron ore powder, 1 part of silicotungstic acid, 0.5 part of magnesium acetylide, 0.5 part of modified foaming agent, 2 parts of tungsten carbide, 3 parts of tantalum carbide, 2 parts of niobium carbide, 1 part of purple sand slime, 0.5 part of potassium metasilicate and 0.5 part of boron nitride. The energy-absorbing anti-collision material is reasonable in component proportion and low in cost, a traditional preparing process is simplified, and production cost is reduced; the foaming agent has the thickening function and the foaming function, the porosity of the material is increased, and the energy absorbing effect is improved.

The invention discloses a protective coating composition for metal heat treatment. The protective coating composition is prepared from the following raw materials in parts by weight: 10 to 20 parts ofpotassium silicate, 15 to 20 parts of acrylic acid, 1 to 10 parts of alcoholic acid, 5 to 15 parts of organosilicone, 20 to 40 parts of water glass, 10 to 30 parts of polyvinyl acetate emulsion, 5 to15 parts of magnesium oxide, 1 to 10 parts of water reduction agent, 1 to 5 parts of adhesive, and 3 to 10 parts of deionized water. The protective coating composition for metal heat treatment has the advantages that the component configuration is reasonable; the temperature-resistant property is good in the metal heat treatment process, the oxidizing degree of metal is reduced, and the metal body can be well protected.

The invention discloses a graphene composite material applied to haze prevention and a preparation method thereof. The graphene composite material comprises the following raw materials in parts by weight: 35 parts of graphene, 22 parts of organic silicon resin, 12 parts of diatom ooze, 55 parts of straws, 3-5 parts of zeolite powder, 8-10 parts of polylactic acid, 4-8 parts of diammonium hydrogenphosphate and 1-5 parts of sodium bicarbonate. The graphene composite material is reasonable in allocation of the ingredients, simple in preparation method and stable in chemical property, can be usedfor preventing haze and is good in haze prevention effect; the composite material prepared by the invention does not contain any heavy metal or chlorine and has the characteristics of having no toxicity or harm to human bodies and the environment, being convenient to use and the like.

The invention discloses a pure alcohol-based diesel oil additive and a method for efficient clean production of the pure alcohol-based diesel oil. A pure alcohol-based diesel oil product can be prepared from, by weight, 500 parts of methyl alcohol and 7-9 parts of the pure alcohol-based diesel oil additive by reaction for less than half an hour under normal-temperature normal-pressure conditions without adding of diesel oil. The additive is prepared from xylene, diamyl iron, dimethicone, isooctane, n-heptane, dichloromethane, diethylene glycol butyl ether, isobutanol, alkyl hexanone, methylbenzene, acetone, nitryl octyl ester, diethyl phthalate, N-methyl phenyl alkane, sorbitan monolaurate, N,N-dimethylformamide, polyethylene glycol, polypropylene glycol, methyl isobutyl ketone, dimethyl carbonate and isoprene, wherein the materials are fed into an additive storage tank, circularly stirred once with a plastic rod and kept standing for 0.5h to obtain a product of the pure alcohol-baseddiesel oil additive. The pure alcohol-based diesel oil achieves efficacies of existing diesel oil and is thorough in combustion, free of carbon stains, available for water flushing or fire extinguishment, long in shelf life, safe and environmentally friendly.

The invention discloses a medicinal combination for treating chicken pasteurellosis and a preparation method thereof. The medicinal combination is prepared from the following raw materials: rhizoma coptidis, radix scutellariae, radix et rhizoma rhei, radix gentianae, radix isatidis, honeysuckle flower, common andrographis herb, epimedium herb, mirabilitum dehydratum, flos magnoliae, herba taxilli, common selfheal fruit-spike, spreading hedyotis herb, rohdea japonica, semen pharbitidis, radix aconiti carmichaeli, folium isatidis, rhizoma belamcandae, herba artemisiae annuae, borax, plantain herb, distilled water, norfloxacin, enrofloxacin, penicillin, terramycin, sulfadiazine sodium, powered glucose, streptomycin, vitamin, kanamycin, calcium hydrophosphate, doxycycline hydrochloride and erythromycin thiocyanate. The medicinal combination is reasonable in component configuration, is scientific in preparation method, is prepared from traditional Chinese medicine and western medicine in an organic combination way, is easy to use, can effectively prevent and treat the chicken pasteurellosis, is low in infection rate, is high in survival rate, and is free from toxic and side effects.

The invention discloses a coating film for a positive and negative plate of a high-rate lead-acid storage battery, wherein the coating film raw materials comprise glass fiber cotton, hydrophilic fibers, fumed silica and PET. The invention further provides a matched preparation method. The method comprises the following steps that the weighed raw materials are put into a dispersing machine in one time, and deionized water is added to prepare raw slurry with the concentration percent of 0.9% to 1.0%. The raw slurry is taken, and the raw slurry is diluted by adding the deionized water until the concentration is 0.2% to 0.6%; then the slurry is injected into a filter to obtain fine slurry, and the fine slurry is injected into a forming machine to form a wet-coating film; the wet-coating film is conveyed into a drying tunnel to be dried, and a compression roller rolling coating film is arranged at the outlet of the drying tunnel; and finally, the coating film is cut according to the sizes and shapes of the matched positive and negative plates. The preparation method disclosed by the invention is reasonable in component configuration, and simple and convenient in method; and the preparedcoating film is moderate in density and high in air permeability, so that the liquid storage capacity and the liquid absorption capacity are improved, and the high-rate performance of the positive electrode and the negative electrode of the lead-acid storage battery is remarkably improved.

The invention belongs to the field of traditional Chinese medicines, and particularly relates to a traditional Chinese medicine composition for treating the nonunion of a postoperative cut. The traditional Chinese medicine composition can be prepared from ginseng, angelica sinensis, ligusticum wallichii, turtle shell, radix angelicae, frankincense, panax notoginseng, semen coicis, fried bighead atractylodes rhizome, golden cypress, cornu cervi degelatinatum, radix paeoniae rubra and liquorice. The raw materials can be prepared into decoctum which is taken twice each day. The traditional Chinese medicine composition is convenient to take, simple in formula and reasonable and effective in component allocation, has the functions of tonifying spleen, enriching the blood, removing stasis and expelling toxin, is suitable for treating a symptom that the cut is difficult to heal after surgery operation and has obvious curative effect, and the effective rate is 90%.

The invention discloses a new type of PVC pipe material formula component for mining. The new type PVC pipe material formula component for mine is prepared by combining the following raw materials in parts by weight: it includes PVC SG-5 90-100 parts, composite lead 1-100 parts 10 parts, 0.1-0.5 parts of stearic acid, 8-20 parts of polymer ester calcium, 1-10 parts of hexamethylphosphoric triamide, 1-2 parts of ACR 401, 8-10 parts of CPE, 6 parts of active light calcium ‑8 parts, rutile titanium dioxide or carbon black 4‑6 parts, polyethylene wax 0.1‑0.5 parts. The invention adopts a new type of mining PVC pipe material formula component, the component configuration is reasonable, and the use effect is good. The added hexamethylphosphoric triamide can not only greatly improve the anti-oxidation performance of the PVC pipe material, but also has a relatively low ratio. 1‑10 parts, less lead pollution in production, good processing fluidity, simple operation and cheap price.

The invention discloses adhesive glue for badminton processing and using. The adhesive glue is characterized by comprising the following components in parts by weight: 30-65 parts of methyl methacrylate, 20-32 parts of butyl methacrylate, 2-8 parts of dibutyl phthalate, 5-8 parts of methylacrylic acid, 8-16 parts of chloroprene rubber, 33-48 parts of ABS (Acrylonitrile Butadiene Styrene) resins, 0.1-0.4 part of hydrolytic polymaleic anhydride, 0.4-0.8 part of sodium gluconate, 3-8 parts of cumene hydroperoxide, 2-5 parts of methyl toluidine, 1-4 parts of activated clay and 18-30 parts of water. According to the adhesive glue for badminton processing and using provided by the invention, the component composition is reasonable, the preparation cost is low, the adhesive property is high, thefeather and badminton head do not drop aiming at sliced smash, backhand smash and other high-strength use, the consumption of the badminton ball is reduced, and the sports experience is improved.

The invention discloses an alcohol-based liquid fuel and a method for preparing the alcohol-based liquid fuel additive. The raw material components of the alcohol-based liquid fuel additive include: 0.4-0.6 parts of dipentyl iron, 0.4-0.6 parts of light aromatics, tertiary methyl 0.4-0.6 parts of butyl ether, 0.4-0.6 parts of tert-butyldimethylsilane, 0.2-0.5 parts of dimethyl silicone oil, 0.9-1.1 parts of octane regulator, 0.9-1.1 parts of isomerization regulator; alcohol The raw material components of the base liquid fuel are: 65-75 parts of alcohol, 25-34 parts of crude benzene, and 0.9-1.1 parts of alcohol-based liquid fuel additive. The preparation method of the alcohol-based liquid fuel is simple, less investment, low cost, no corrosion, no swelling reaction, no modification of the engine, high heat value, good combustion performance, high power, long storage period, high safety and availability Water fire extinguishing, speed up quickly, the exhaust gas is odorless, can effectively reduce the emission of harmful gases, has important strategic significance for ensuring national energy security, has broad application prospects, and has good economic, social and ecological benefits.

The invention discloses a high-performance cleaning agent for feather of a shuttlecock. The high-performance cleaning agent is prepared from the following raw materials in parts by weight: 25 parts of sodium hydrogen carbonate, 10 parts of vinyl acetate, 6 parts of oxalic acid, 7 parts of dibutyl phthalate, 4 parts of tetrafluoroethylene, 10 parts of octaphenyl polyoxyethyiene, 3 to 5 parts of hexahydrotoluene, 2 to 6 parts of amino trimethylene phosphonic acid, 4 to 8 parts of sodium hydroxide, and 3 to 7 parts of 1-hexadecylsulfonic acid sodium salt. The high-performance cleaning agent is reasonable in component configuration, low in cost, low in irritation, free from corrosion, good in stability, high in decontamination capacity, capable of effectively removing dust and oil stains on the surface of the feature of the shuttlecock, and popular among consumers.

A preparation method of a high-low-temperature resistant oil seal for reciprocating dynamic sealing is disclosed. The method includes S1) weighing 180 parts of silicone rubber, 95 parts of fluororubber, 45 parts of acrylate rubber, 15-25 parts of ethylene-vinylacetate rubber, 12-16 parts of a plasticizer, 8-12 parts of an antioxidant, 9-13 parts of modified hydrotalcite, 4-8 parts of attapulgite clay, 3-5 parts of a nanometer activating agent, 5-7 parts of nanometer zinc oxide, 5-7 parts of nanometer titanium dioxide, 3-5 parts of nanometer silicon carbide, 7-13 parts of aluminium potassium sulfate, 3-7 parts of carbon steel fibers, and the like according to weight parts, and keeping the materials for later use. Components of the oil seal are reasonably arranged and a preparation process is simple. The oil seal prepared can meet application requirements of existing oil seals and has greatly improved resistance to high temperature and resistance to low temperature, and the like.

The invention discloses a graphene accessory for building external wall heat-insulation board and its preparation method. The graphene accessory is prepared from, by weight, 30 parts of graphene, 6-8parts of lead caprylate, 2-4 parts of glass fiber, 3-7 parts of acidified perlite, 1-3 parts of tungsten carbide, 1-3 parts of basalt fiber, 2-4 parts of polymethylvinylphenylsiloxane gum, 3-5 parts of magnesium oxide, 1-3 parts of cobalt aluminate, 3-5 parts of zinc oxide, 4-6 parts of manganese dioxide, 2-4 parts of vinyl acetate, 1-5 parts of nano-hydroxyapatite, and 2-4 parts of chrome. The graphene accessory for building external wall heat-insulation board and its preparation method are reasonable in component configuration and simple in preparation technique; through adding graphene andother conductive materials, every performance of the building external wall heat-insulation board, such as good heat insulation effect, high-temperature resistance and flame retarding performance, light mass, high intensity, waterproof, corrosive resistance, can be effectively improved.

The invention discloses a graphene paint preparation process. The preparation process specifically comprises the following steps: S1, selecting a proper amount of water-based resin, epoxy resin, high-temperature-resistant silicon resin, organic silicon resin and nano-zinc oxide, and putting the selected water-based resin, the epoxy resin, the high-temperature-resistant silicon resin, the organic silicon resin and the nano-zinc oxide into a stirrer for stirring. The present invention relates to the technical field of paint preparation. According to the graphene paint preparation process, the paint with added graphene paint preparation process has a certain waterproof effect and a certain anti-corrosion effect, has a certain protection effect on a sprayed object to prolong the service life of the object; and the paint has the advantages of reasonable component configuration, the simple and scientific preparation method, excellent high hardness, favorable water resistance, low shedding tendency and the long service life, effectively reduces the environmental pollution, and enhances the roughness of the paint by using the nano zinc oxide, thereby improving the water resistance of the coating and enhancing the durability of the paint.

The invention relates to the technical field of new materials, in particular to an anti-collision material and a method for preparing an anti-collision bumper by applying the anti-collision material.The anti-collision material is prepared from, by weight, 100 parts of aluminium powder, 5 parts of tungstate, 5 parts of silicon carbide, 2 parts of iron ore powder, 1 part of silicotungstic acid, 0.5part of magnesium carbide, 0.5 part of a modified foaming agent, 2 parts of tungsten carbide, 3 parts of tantalum carbide, 2 parts of niobium carbide, 1 part of purple grit mud, 0.5 part of potassiumsilicate and 0.5 part of boron nitride. The anti-collision material is reasonable in component preparation and low in cost, the traditional preparation steps are reduced, the production cost is lowered, the foaming agent has the dual functions of thickening and foaming, the porosity of the material is increased, and the energy absorption effect is improved.

The invention discloses an alloy material for a valve-control type sealed storage battery positive electrode plate grid. The alloy material comprises the following components based on mass percentage: 0.03-0.06% of Ca, 1.0-2.0% of Sn, 0.01-0.03% of Al and the balance of Pb. A positive electrode plate grid structure prepared from the lead-based alloy is a large-grid flat-panel-shaped membrane which consists of vertically and transversely-crossed ribs; the cross section of the ribs embedded in the positive electrode plate grid is at least hexagonal; and the line spacing between the ribs is 10-20mm. Through component design and structural design, the prepared material has better corrosion resistance; in addition, the effective sectional area of the cross sections of the ribs embedded in the positive electrode plate grid is larger than a rectangular effective sectional area in the same incircle; and in short, the positive electrode plate grid having thick and strong ribs and prepared from the alloy material prepared by the invention is high in rigidity, high in corrosion resistance, low in floating charge water loss in a high-temperature environment, and capable of prolonging the service life a matched battery.

The invention discloses a detergent for a badminton head. The detergent is prepared from the following raw materials in parts by weight: 90 parts of absolute ethanol, 45 parts of acrylic resin, 3 parts of dibutyl phthalate, 8 parts of sodium hydroxide, 4 parts of polyoxyethylene lauryl ether, 5 parts of acrylic powder, 6 parts of polyvinyl ether, 2 parts of hydroxymethyl cellulose, 10-15 parts of sodium 1-hexadecanesulfonate, 1-5 parts of vinyl acetate, 6-8 parts of tetrafluoroethylene and 8-10 parts of aluminum sol. The detergent provided specially for the badminton head has the advantages of rational component composition, low cost, low irritation, high stability and strong detergency; the detergent is non-corrosive, can effectively remove dust, oil stains and the like carried on the surface of the badminton head and is popular among consumers.