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39results about How to "Good co-solubility" patented technology

Outer wall structure and construction and installation method

The invention relates to a building outer wall structure, in particular to an outer wall structure and a construction and installation method. The outer wall structure is sequentially provided with an inner decorative layer, a structural layer, a waterproof layer and an outer decorative layer from inside to outside. The construction and installation method of the outer wall structure includes the steps that wall battens and doors and windows are installed; the waterproof layer is constructed; construction and installation method of the outer wall structure are finished after the inner wall face and the outer wall face are decorated. The common quality problems such as empty drums, deformation, cracks and water seepage caused by thermal insulation construction on the outer wall are solved by using a self-heat-preservation system for the outer wall, so that an integral and reliable quality guarantee is provided for an outer wall engineering system; all the adopted materials are common combinations with light inorganic materials as carriers and are good in cosolvency, usability, cohesiveness, ageing resistance and the like; the construction procedure of outer wall engineering is simplified, construction period is shortened, unified management on construction sites is facilitated, management cost is lowered, and project management efficiency is improved; the self-heat-preservation function of the wall is achieved, and the problem that the outer wall is prone to water seepage or water leakage is solved.
Owner:江西昌南建设集团有限公司

Electrothermal organic power resistance slurry for heater

InactiveCN101735561ALow temperature curingWith high temperature useHeating element materialsLow temperature curingUltra fine
The invention relates to an electrothermal organic power resistance slurry for a heater. The main formula of the slurry comprises the following components by weight percent: 28%-60% of resin I, 5%-13% of flame-retardant heat-resistant polymer containing boron element, 3%-6% of latent curing agent, 1%-2% of latent curing accelerator, 0-30% of resin II, 10%-15% of nano-carbon series conductive filler, 4%-5% of temperature coefficient adjustment additive, 0-5% of ultra-fine base metal alloy powder conductive filler, 0-3% of silicon series far infrared radiating material and 0-4% of ultra-fine mica powder, in addition to the main formula, the slurry further contains a small amount of function auxiliary phase. The slurry can solve the problems that the ordinary slurry is difficult to realize thinness, light weight or special shape; furthermore, the slurry has the properties of low temperature curing and high temperature use and can be directly used for printing or spraying and meet the technical development requirements of an electric heater on the trends of miniature, thinness, light weight and (shape and purpose) special shape.
Owner:西安宏星电子浆料科技股份有限公司

Preparation method of oxidative cationic modified starch slurry

The invention provides a preparation method of oxidative cationic modified starch slurry, which comprises the following steps of: firstly, dissolving starch into water to prepare starch milk; secondly, using an oxidant namely sodium hypochlorite to perform oxidation reaction with the starch to obtain oxidized starch; thirdly, removing chlorine; fourthly, adopting a cationic etherifying agent to perform etherification reaction; and finally, performing dehydration and drying. When the modified starch prepared from the starch serves as the slurry, the slurry not only has the characteristics of high fluidity, low viscosity and high concentration usage of oxidative starch slurry, but also solves the problem that the oxidative starch has poor thermal stability through quaternary ammonium etherification, and simultaneously, the slurry additionally obtains the following advantages that: the adhesiveness to a warp is significantly improved; the serous membrane forming capacity is strong, and the slurry is difficult to break and burst; the paste viscosity is stable, and the fluidity is good; the slurry has certain hygroscopicity, and has high co-solvency with a synthetic slurry; a membrane is easy to be dissolved in water, and is easy to desize; and paste solution has high thermal stability, is not influenced by high heat fusing, and the like.
Owner:内蒙古奈伦农业科技股份有限公司

Building brickwork and masonry construction method of building brickwork

InactiveCN104358341AMeet the requirements of self-insulation systemSolve common quality problemsConstruction materialWallsMaterials scienceConcrete composites
The invention discloses a building brickwork and a masonry construction method of the building brickwork, and relates to a building brickwork of a building. The building brickwork is a brickwork which is built by light-weight aggregate concrete composite blocks; grooves and tongues are formed in the periphery of each light-weight aggregate concrete composite block; the light-weight aggregate concrete composite blocks are respectively 600-1200mm in length, 300-600mm in height and 80-200mm in thickness; the grooves are downward and the tongues are upward in field masonry; and the masonry construction method comprises the following steps: (1) building the brickwork by the blocks, namely building the first block on a foundation or floor ground, building the second composite block in a manner of being staggered with the first block, wherein the staggered-joint is 1 / 2 of the length of the block and is not smaller than 200mm at least; the composite block brickwork is connected with a building structure column and a concrete shear wall; the composite block brickwork is connected with building structure beams and plates; the building brickwork is subjected to deformation joint construction; a parapet wall is subjected to masonry construction; a switch socket is pre-buried and installed; and cable pipelines are laid; (2) fixing door frames and window frames; and (3) building a wall body corner structure by the light-weight aggregate concrete composite blocks.
Owner:FUJIAN MEIJINLAI GREEN BUILDING TECH +1

Solar silicon wafer cleaning agent

The invention provides a solar silicon wafer cleaning agent including 1 wt%-15 wt% of heterogeneous alcohol polyoxyethylene ether, 1 wt%-15 wt% of propanediol ether, 0.5 wt%-10 wt% of ethylene diamine tetraacetic acid tetrasodium salt, greater than zero and less than or equal to 10 wt% of an anionic surfactant, greater than zero and less than or equal to 20 wt% of a pH regulator, and the balance being water. The anionic surfactant and heterogeneous alcohol polyoxyethylene ether are adopted to compound, so that the cleaning agent has stronger cleaning ability; propanediol ether is selected as a solvent, and the kind of solvent is an organic solvent with low toxicity and no stimulation; meanwhile, ethylene diamine tetraacetic acid tetrasodium salt is also selected as a metal ion complexing agent, and copper, iron and other metal ions on the surface of a silicon wafer can be effectively removed; and finally, the pH regulator is selected to adjust the pH value of the cleaning agent, oil stains on the surface of the silicon wafer are effectively removed, and the cleaning effect is lasting and durable.
Owner:ZHEJIANG SHUNLIAN INTELLIGENT EQUIP CO LTD

Nematic liquid crystal composition and liquid crystal display device using the same

A nematic liquid crystal composition comprising compounds of the general formulas (I-1) to (I-5) each having naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl and 1,2,3,4-tetrahydronaphthalene-2,6-diyl, and a liquid display device using the same. This nematic liquid crystal composition broadens the operating temperature range of liquid crystal display characteristics due to an improvement in co-solubility and storage at low temperature, thereby making it possible to improve a reduction in driving voltage and a change in temperature and to attain comparatively fast response characteristics for a predetermined driving voltage. Accordingly, the nematic liquid crystal composition is best suited for use as TN, STN, TFT, IPS, MVA, OCB, ECB, PC, PNLC, PDLC, PSCT or the like.
Owner:DAINIPPON INK & CHEM INC

Method for preparing modified starch by oxidation and succinic anhydride esterification

The invention provides a method for preparing modified starch by oxidation and succinic anhydride esterification. The method comprises the following steps of: dissolving starch into water to form starch milk, performing oxidation reaction on sodium hypochlorite oxidant and starch to obtain oxidized starch, then removing chlorine, performing esterification reaction by adopting succinic anhydride, and finally dehydrating and drying the reaction product to obtain the modified starch. When the modified starch prepared by the method is used as starch size, the modified starch has the properties of good fluidity, low viscosity and high-concentration use of the oxidized starch; and because the succinic anhydride esterification solves the problem of poor thermal stability of the oxidized starch, the modified starch has the advantages that: adhesion of warps is remarkably improved; a size film has strong forming capability, good mechanical strength and extensibility; the paste has stable viscosity and good fluidity; the size has certain moisture absorption property; the modified starch has good co-solvency with a synthetic size; the film is easy to dissolve in water, and de-sizing is easy; and the paste has high thermal stability, is not affected by high-temperature melting and the like.
Owner:内蒙古奈伦农业科技股份有限公司

Effective gentle makeup-removing micelle liquid

ActiveCN104000766ARegulates and increases elasticityIncrease elasticityCosmetic preparationsMake-upOil and greasePoint particle
The invention discloses effective gentle makeup-removing micelle liquid. The effective gentle makeup-removing micelle liquid comprises, by weight, 15%-30% of makeup-removing components, 0.15%-1.0% of additives and the balance aqueous phase components, wherein the makeup-removing components are composed of babbasu seed oil glycerinum-8 esters and dipropylene glycol. Aggregate mass point particles with the size identical to that of colloid are automatically formed by the babbasu seed oil glycerinum-8 esters, and therefore the micelle liquid is formed, the performance of a surface active agent of the micelle liquid is thoroughly achieved, and the dissolving capacity of the micelle liquid to common grease of makeup products is good; the dipropylene glycol can be well dissolved in a micelle liquid system, so that micelle formed in water by the babbasu seed oil glycerinum-8 esters is more balanced and stable and the makeup-removing capacity of the micelle liquid is well improved. According to the effective gentle makeup-removing micelle liquid, allergic and stimulated phenomena and the like of a user are avoided and use is safe; the micelle liquid is remarkable in gentle and effective makeup-removing effect.
Owner:ATHENA GUANGZHOU COSMETICS MFR

Electrothermal organic electrode slurry for heater

The invention relates to an electrothermal organic electrode slurry for a heater. The slurry comprises the following main components in percentage by weight: 5-30% of epoxy modified high polymer, 2-6% of flame-retardant temperature-resistant high polymer, 3-6% of latent curing agent, 1-2% of latent curing promoter, 5-10% of silicon modified high polymer, 50-70% of superfine metal powder conductive filler, 1-3% of antioxidant assistant, 0-5% of base metal alloy powder conductive filler and a small amount of functional auxiliary phase. The invention solves the problem that the ordinary slurry is difficult to realize thin type, light type or special type, has the characteristics of low-temperature curing and high-temperature use, ensures direct printing or spraying and satisfies the technical development requirements of small type, thin type, light type (shape and application) and special type of the electric heater.
Owner:西安宏星电子浆料科技股份有限公司

Method for preparing coking briquette

The invention discloses a method for preparing a coke-making briquette, which comprises the following main steps: 1. waste rubber particles and waste plastic particles are added into anthracene oil according to the proportion and are heated and dissolved, then tar slag and road construction oil are added according to the proportion and are heated and stirred to produce briquette adhesive; 2. the briquette adhesive is added into mixed coal according to the proportion, and a small amount of water is added to be mixed and stirred to produce briquette pug containing certain moisture; and 3. the briquette pug is sent to a briquette machine and is pressed into briquette blocks, and a finished product of the coke-making briquette can be obtained when the briquette blocks are air-dried until the content of the moisture is between 8 and 10 percent. The method utilizes the tar slag, waste rubber, and waste plastic to produce the briquette adhesive, and provides a new way for the reasonable utilization of the tar slag, the waste rubber and the waste plastic; and the tar slag, the waste rubber, the waste plastic and coal all have macromolecular structures consisting of C and H elements and have better cosolvency, thereby contributing to improving the quality and yield of coke after the co-carbonization.
Owner:PANGANG GROUP VANADIUM TITANIUM & RESOURCES

Regeneration activator for old asphalt mixture of high type asphalt pavement

The invention discloses a recycling utilization technology of an old asphalt mixture of a high type asphalt pavement. According to the invention, for the chemical composition change condition of the old asphalt mixture in the asphalt pavement, saturates, aromatics, colloids and asphaltenes in the asphalt are analyzed by a component method; the missing part in the old asphalt is adjusted by adding an activator according to the change of each component of the aged asphalt; the component transfer problem (commonly known as aging) of the old asphalt material in the asphalt pavement is solved from the aspect of recovering the chemical components of the old asphalt; as a result, the chemical components of the old asphalt material are re-activated, the old asphalt mixture is caused to obtain new technological performance, the original mechanical properties and pavement performance indicators of the old asphalt mixture are recovered, and the old asphalt mixture can be better utilized by pavement engineering again.
Owner:石城祥

Method for simultaneously and quantitatively detecting contents of melamine and cyanuric acid and application thereof

The invention discloses a method for simultaneously and quantitatively detecting contents of melamine and cyanuric acid. By discoverying a sovlent capable of greatly codissolving melamine and cyanuric acid under the condtion of non-strong acid and strong base, detection results are truthful and accurate. According to the method, preparation of a sample is simple to operate, good mutual solution of melamine and cyanuric acid can be realized, and an experimental base is provided for accurate measurement of contents of melamine and cyanuric acid. An instrument used in the method is a high performance liquid chromatograph (HPLC). The equipment is cheap and easily available in comparison with equipment used in liquid chromatography tandem mass spectrometry. In addition, a solvent and a mobile phase used in the invention cause little damage to a chromatographic column of the instrument. The detection process is rapid and economic. The method is applied in simultaneously and quantitatively detecting contents of melamine and cyanuric acid, and obtained detection results are accurate and credible. The method is suitable for large-scale sample detection and is also suitable for various samples which require detection of protein content.
Owner:CHINA INST OF VETERINARY DRUG CONTROL

Fruit and vegetable fiber nutrition powder production and production method and application thereof

The invention discloses a fruit and vegetable fiber nutrition powder. The processing method for the fruit and vegetable powder is as follows: (1) pre-treating: getting fruit and vegetable materials, cleaning, peeling off and pulping the materials to obtain fruit and vegetable serous fluid; (2) drying: getting a concentrated solution to spray and dry to obtain the fruit and vegetable powder; (3) blending: adding the materials in proportion; and (4) packaging. The fruit and vegetable powder is prepared by compounding the following raw materials in parts by weight: 20 parts of plant fiber, 15 parts of vegetable jelly, 10 parts of prebiotics factor, 5 parts of composite amino acid, 0.6 part of ribonucleic acid, 6 parts of wheat powder, 3 parts of enzyme, 10 parts of malt extract, 1 part of unsaturated fatty acid, 1 part of guarana extract, 8 parts of protein powder, 0.03 part of flavoring agent, 0.6 part of composite vitamin and mineral substance, and 10 parts of fruit and vegetable powder. The fruit and vegetable fiber nutrition powder has the effects of good mouthfeel, low moisture content, easiness in storage, high institution, low heat, toxin eliminating and beautifying, and has the functions of improving sleep quality and relieving anxious emotion at the same time.
Owner:易健(大连)生物科技发展有限公司

Silicon carbide-ruthenium resistance slurry and preparation method therefor

InactiveCN106211379AIncreased Design FreedomWide coefficient of power variationHeating element materialsDispersityRuthenium
The invention discloses silicon carbide-ruthenium resistance slurry. The silicon carbide-ruthenium resistance slurry comprises a functional phase and an organic carrier, wherein the functional phase comprises ultrafine ruthenium powder, ultrafine silicon carbide powder and lead-free glass powder; the organic carrier comprises resin, a solvent and additives; the resin is ethylcellulose; the solvent is one or mixture of two of butyl carbitol, terpilenol and a DBE solvent; and the additives comprise a liquid defoaming agent, a liquid flatting agent and a lubricating dispersing agent. The invention also discloses a preparation method for the silicon carbide-ruthenium resistance slurry. The silicon carbide-ruthenium resistance slurry is high in dispersity and cosolvency, high in adhesive force with a base material, excellent in temperature resistance, safe to use, and low in preparation cost.
Owner:DONGGUAN COREHELM ELECTRONICS MATERIAL TECH CO LTD

Industrial production method of multicomponent copolymer chlorinated polyethylene by water phase grafting

The invention relates to an industrialized production method for producing multielement copolymerization chlorinated polyethylene through water phase grafting. The method comprises the following steps: taking polyethylene powder as the raw material, and adding the raw material into an aqueous solution containing an emulsification promoter, a dispersion separation agent and an activation initiator; making the polyethylene powder be in a suspended state under the action of stirring, and linking up functional groups with the molecular chain of polyethylene before chlorine is introduced to have a chlorination reaction. The method comprises the following key points: the functional groups can be four functional groups, namely a carboxyl functional group, a hydroxyl functional group, an ester functional group and a carbonyl functional group, and the number of the grafted functional groups can be 15 to 25 percent of the weight of polyethylene; then a certain proportion of chlorine is respectively introduced through three temperature sections, and the chlorination reaction is carried out in the same glass lining reaction kettle so as to finally obtain the multielement copolymerization chlorinated polyethylene with the chlorine content of 70 to 80 percent; and the raw material of polyethylene has the molecular weight of 3,000 to 5,000. The method causes no pollution on the ambient surroundings, and has the short reaction time and convenient operation. The method is suitable for the large-scale production, and has lower cost and great economic benefits.
Owner:汪立波

Human-like collagen mask solution and preparation method thereof

The invention relates to the technical field of cosmetics, in particular to a human-like collagen mask solution and a preparation method thereof. The human-like collagen mask solution is prepared fromcomponents in percentage by mass as follows: 0.08%-0.12% of Carbomer 940, 0.09%-0.12% of hydroxyethyl cellulose, 1%-2% of human-like collagen, 0.5%-1% of collagen peptide, 3.8%-4.2% of dipropylene glycol, 1.8%-2.1% of propylene glycol, 1.8%-2.2% of glycerin, 3%-5% of a sodium gualenate solution, 0.4%-0.6% of GC-04, 0.09%-0.11% of triethanolamine, 0.01%-0.02% of essence and 82.53%-87.43% of deionized water. The human-like collagen mask solution can have better anti-wrinkle and repairing functions and can reduce harm of ultraviolet rays to skin.
Owner:广州丽彦妆生物科技有限公司

Compound having tetrahydronaphthalene skeleton and liquid crystal composition containing same

A tetrahydronaphthalene derivative represented by the general formula (I) and a liquid crystal composition containing the same.A compound represented by the general formula (I) shows superior liquid crystallinity and co-solubility with conventional liquid crystal compounds and compositions. Furthermore, addition of such a compound enables the threshold voltage to be significantly reduced with almost no deleterious effect on the responsiveness. In addition, a compound of the present invention can also be easily produced industrially, is colorless, and is chemically stable. Consequently, liquid crystal compositions containing such a compound are extremely useful as liquid crystals, and are particularly suitable for liquid crystal displays requiring a wide operating temperature range, low voltage driving and a high response speed.
Owner:DAINIPPON INK & CHEM INC

Silicon wafer cleaning agent and method for preparing same

The invention discloses a silicon wafer cleaning agent. The silicon wafer cleaning agent comprises, by weight, 3-9 parts of sodium hydroxide, 2-8 parts of anhydrous sodium carbonate, 3-9 parts of sodium metasilicate, 5-8 parts of ethylene diamine tetraacetic acid, 2-6 parts of sodium diethylhexyl sulfosuccinate, 2-5 parts of OP-10, 4-9 parts of sodium dodecyl benzene sulfonate, 3-9 parts of total-fluorine hexylacetic acid salt surfactants, 2-7 parts of 10-trifluoromethoxy sodium 1-decanesulfonate, 1-4 parts of total-fluorine hexyl ethyl methyl dihydroxy ethyl ammonium iodide, 4-9 parts of Tween-80, 3-6 parts of polyethylene glycol, 1-3 parts of triethanolamine, 2-5 parts of butanol, 1-4 parts of isopropyl alcohol and 10-20 parts of deionized water. The invention further provides a method for preparing the silicon wafer cleaning agent. The silicon wafer cleaning agent and the method have the advantage of excellent cleaning effects.
Owner:安庆友仁电子有限公司

Safe, environmental-protection and high-efficiency silicon wafer cleaning agent and preparation method thereof

The invention discloses a safe, environmental-protection and high-efficiency silicon wafer cleaning agent comprising the raw materials: N-methyl-pyrrolidone, anhydrous sodium carbonate, sodium metasilicate, a Dynol604 surfactant, a Surfnol465 surfactant, a Surfnol104 surfactant, a low-foaming surfactant, fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene, dihydroxyethyl-trihydroxymethyl imine methane, nitrilotriacetic acid, OP-10, sodium dodecyl benzene sulfonate, sodium diethylhexyl sulfosuccinate, hexafluoropentanedione, beta-diketone, Twain 80, triethanolamine, quaternary ammonium base, diethylene glycol monomethyl ether, ethylene glycol monomethyl ether and deionized water. The invention also provides a preparation method of the safe, environmental-protection and high-efficiency silicon wafer cleaning agent. The silicon wafer cleaning agent has the advantages of good cleaning effect, high safety, environmental protection and no pollution.
Owner:安庆友仁电子有限公司

Cleansing water having no irritation to eyes and preparation method thereof

The invention relates to cleansing water having no irritation to eyes and a preparation method thereof. Cleansing components of the cleansing water having no irritation to eyes comprise polyglycerol-10 laurate, di(PPG (Poly Propylene Glycol))-2-nutmeg oleyl alcohol polyether-10)adipate and 1,3-propylene glycol. The preparation method of the cleansing water comprises the following steps: S1, adding raw materials of an auxiliary agent component into a stirring pot and heating to 80 DEG C to 85 DEG C; stirring and dissolving uniformly; then keeping the heat for 30 minutes; cooling to 40 DEG C to 45 DEG C; S2, adding raw materials of the cleansing components into the stirring pot and stirring and dissolving uniformly; S3, adding raw materials of a preservative component into the stirring pot, and stirring and dissolving uniformly. According to the cleansing water, the polyglycerol-10 laurate, the di(PPG-2-nutmeg oleyl alcohol polyether-10)adipate and the 1,3-propylene glycol are combined to realize an efficient cleansing effect and excessive degreasing on skins is not caused. The polyglycerol-10 laurate can give full play to a cleansing capability at the ratio, and has a synergistic effect with the 1,3-propylene glycol.
Owner:GUANGZHOU SALIAI STEMCELL SCI & TECH CO LTD

Formation method of high-low temperature lithium ion battery

The invention provides a formation method of a high-low temperature lithium ion battery. The electrolyte of the lithium ion battery comprises an additive, wherein the additive comprises a combinationof three additives including methylene methyldisulfonate (MMDS), vinylethylene carbonate (VEC) and phenylsulfone (PS), the content of the methylene methyldisulfonate (MMDS) is 2.2-2.4% by volume, andthe content of the vinylethylene carbonate (VEC) is 1.8-2.0% by volume; the content of phenyl sulfone (PS) is 0.8-1% by volume. The formation method comprises a low-temperature formation step and a high-temperature formation step, and the battery obtained by the formation method disclosed by the invention has good high-temperature cycle performance and low-temperature cycle performance.
Owner:ZHANGZHOU HUARUI PHOTOELECTRIC TECH

Alcohol-free mosquito-repelling and itching-relieving spray and preparation method thereof

InactiveCN112494388AMosquito repellent and antipruriticLow toxicityCosmetic preparationsToilet preparationsCalamus OilCyclodextrin Derivatives
The invention discloses an alcohol-free mosquito-repelling and itching-relieving spray and a preparation method thereof The mosquito-repelling and itching-relieving spray comprises the following components in mass percentages: 0.05%-2% of cymbopogon citratus essential oil, 0.05%-1.5% of folium artemisiae argyi essential oil, 0.02%-0.8% of calamus oil, 0.5%-2% of wintergreen oil, 0.1%-1% of borneol, 0.1%-0.5% of menthol, 2%-8% of dipropylene glycol, 2%-5% of cyclodextrin or cyclodextrin derivatives, 0.5%-2% of a liquorice extract, 1%-8% of butanediol, 0.2%-1% of a preservative and the balance deionized water. The alcohol-free alcohol-free mosquito-repelling and itching-relieving spray has a mild effect, is free of toxic and side effects, safer to use and free of irritation, avoids harm of ethyl alcohol to the skin, and is particularly suitable for children, women and people allergic to the ethyl alcohol under a condition of meeting a mosquito-repelling requirement.
Owner:JIANGSU NAIQUE BIOLOGICAL ENG

A kind of anti-inflammatory and anti-itch cleansing massage jelly

The invention discloses massage jelly with the effects of diminishing inflammation, relieving itching and cleaning skin. The massage jelly is prepared by refining Populus tomentosa Carr., chamomile and bletilla striata which serve as main raw materials, and konjac glucomannan, propylene glycol, hydrogenated castor oil, polyoxyethylene ether and 15% Na2CO3 which serve as auxiliary materials. The adopted raw materials are cheap, easy to obtain, safe, free of irritation and scientific and reasonable in matching, no dependence is generated by the skin, a synergistic effect is achieved, and the effects of diminishing inflammation, relieving itching, resisting bacteria, preserving moisture, cleaning the skin, massaging the body and caring the skin can be fully achieved. The massage jelly is suitable for people with sensitive skin on which pruritus is easily generated, special groups such as pregnant women, breast feeding women and children are fully considered, and the massage jelly is high in process operability and suitable for factory large-scale production, and has high application and popularization value.
Owner:上海优康化妆品有限公司

Solar silicon wafer cleaning agent

The invention provides a solar silicon wafer cleaning agent including 1 wt%-15 wt% of heterogeneous alcohol polyoxyethylene ether, 1 wt%-15 wt% of propanediol ether, 0.5 wt%-10 wt% of ethylene diamine tetraacetic acid tetrasodium salt, greater than zero and less than or equal to 10 wt% of an anionic surfactant, greater than zero and less than or equal to 20 wt% of a pH regulator, and the balance being water. The anionic surfactant and heterogeneous alcohol polyoxyethylene ether are adopted to compound, so that the cleaning agent has stronger cleaning ability; propanediol ether is selected as a solvent, and the kind of solvent is an organic solvent with low toxicity and no stimulation; meanwhile, ethylene diamine tetraacetic acid tetrasodium salt is also selected as a metal ion complexing agent, and copper, iron and other metal ions on the surface of a silicon wafer can be effectively removed; and finally, the pH regulator is selected to adjust the pH value of the cleaning agent, oil stains on the surface of the silicon wafer are effectively removed, and the cleaning effect is lasting and durable.
Owner:ZHEJIANG SHUNLIAN INTELLIGENT EQUIP CO LTD

Antimony-based photocathode Sb2S3/Sb2O3 heterojunction structure and preparation method thereof

The invention relates to an antimony-based photocathode Sb2S3 / Sb2O3 heterojunction structure and a preparation method thereof, and belongs to the technical field of photoelectric materials. The antimony-based photocathode Sb2S3 / Sb2O3 heterojunction structure is composed of a p-type Sb2S3 thin film bottom layer, an Sb2S3 / Sb2O3 buffer layer and an n-type Sb2O3 thin film top layer, Sb is sputtered on the substrate to obtain an Sb thin film, the Sb thin film is subjected to a vulcanization reaction to obtain an Sb2S3 thin film, and the Sb2S3 thin film reacts with oxygen to generate an Sb2S3 / Sb2O3 buffer layer and an n-type Sb2O3 conduction band bottom to obtain the Sb2S3 / Sb2O3 heterojunction structure of the antimony-based photocathode. The narrow-band-gap p-type Sb2S3 thin film absorbs light energy, the wide-band-gap Sb2O3 thin film serves as a transmission channel, a catalytic layer and a corrosion-resistant layer of photo-generated electrons, photo-generated carriers are separated by means of the energy range difference between Sb2S3 / Sb2O3 heterojunctions, and the Sb2S3 / Sb2O3 buffer layer improves the charge transmission efficiency and stability and enhances the conductivity of the electrode and the corrosion resistance of the material.
Owner:KUNMING UNIV OF SCI & TECH

A kind of environment-friendly dust suppressant and preparation method thereof

The invention discloses an environment-friendly dust suppressant and a preparation method thereof, belonging to the field of dust suppression control. The dust suppressant consists of the following components: water, a base material, natural starch, a surfactant and a synergist at the mass ratio of 100 to (1-20) to (1-20) to (0.1-5) to (0.1-10). The preparation method of the dust suppressant comprises the following steps: adding 1-20 parts of the base material to 50 parts of the water, continuously stirring, and heating until continuously boiling for 30min; adding 0.1-5 parts of the surfactant to 25 parts of the water, stirring and uniformly mixing; adding the prepared surfactant solution to the boiled base material solution and stirring for 10min; adding 25 parts of the water, adding 1-20 parts of the starch when the temperature is controlled at 60 DEG C, continuously stirring, preserving temperature at 70 DEG C, and stopping heating when the starch is under the state of being completely gelatinized; adding 0.1-10 parts of the synergist and continuing to stir for 10min; and carrying out magnetizing treatment under a magnetic field intensity of 50mT for 1-5min, standing by and cooling to obtain the dust suppressant. The adopted raw materials are excellent in environmental and economic benefits.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Electrothermal organic electrode slurry for heater

ActiveCN101938859BLow temperature curingWith high temperature useHeating element materialsEpoxyLow temperature curing
The invention relates to an electrothermal organic electrode slurry for a heater. The slurry comprises the following main components in percentage by weight: 5-30% of epoxy modified high polymer, 2-6% of flame-retardant temperature-resistant high polymer, 3-6% of latent curing agent, 1-2% of latent curing promoter, 5-10% of silicon modified high polymer, 50-70% of superfine metal powder conductive filler, 1-3% of antioxidant assistant, 0-5% of base metal alloy powder conductive filler and a small amount of functional auxiliary phase. The invention solves the problem that the ordinary slurry is difficult to realize thin type, light type or special type, has the characteristics of low-temperature curing and high-temperature use, ensures direct printing or spraying and satisfies the technical development requirements of small type, thin type, light type (shape and application) and special type of the electric heater.
Owner:西安宏星电子浆料科技股份有限公司

Selective herbicide

The invention discloses a selective herbicide. The selective herbicide is prepared from the following components in mass percentage: 1.5-4% of 2,4-sodium drops, 30-78.2% of glyphosate ammonium salt, 0.19-0.5% of EDTA-2Na, 1.9-5% of an auxiliary FH03 and the balance of ammonium sulfate. The selective herbicide is a soluble granule type herbicide which is prepared by mixing 2,4-sodium and glyphosateammonium salt, has the characteristics of selective agents and quenching herbicides, has strong systemic property, has strong destructive power for underground tissues of perennial deep root weeds, and can be used to prevent weeds from arable lands. The selective herbicide has a good control effect on weeds which produce resistance due to perennial using of single-dosage glyphosate.
Owner:重庆丰化科技有限公司
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