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132results about How to "With lubrication" patented technology

CO2 gas-shielded solid-core welding wire coateds graphite coating on its surface and its manufacturing method

The invention relates to the solid solder which is protected by the carbon dioxide and the manufacture method. The exterior of the solder has the graphite dope. Its characteristic is that on the solid solder there is the dope of nm grade's graphite group. The production method is that it adopts the drawing way to execute the solder. Firstly, use the electrolyted alkali to wash the solder, then take turns as the water, the electrolysed acid and the water. As the above task steps, after eliminating the lube film which the solder adsorbed in the drawing process, make the solder smeared or sprinkled by the graphite group. Its technical flow is setting the line, washing with the electrolysed alkali, washing with the water, washing with the electrolysed acid, washing with the water, smearing or sprinkling with the graphite group, drying, receiving the line and tie by the layer. The graphite is provided with the function such as conducting the electricity, defending the rust, lubricating and so on. The above solder which can enhance the quality of the welding line is the solder of the environmental protection.
Owner:SHANXI WEIERDE IND

Noncorrosive water-based cutting fluid

The invention discloses a noncorrosive water-based cutting fluid. The cutting fluid comprises the following components in parts by weight: 7-18 parts of lubricating agent, 18-44 parts of antirust agent, 5-15 parts of cleaning agent, 5-15 parts of protective agent, 0.6-2 parts of alkali, 0.5-2 parts of softening agent, 0.1-1 parts of nonionic surfactant, 1 part of disinfectant, 1-2.5 parts of preservative, 1-5 parts of copper corrosion inhibitor, 0.1-1 part of filming agent, and the balance of water. The cutting fluid disclosed by the invention can be applied to machine tool processing, and has the functions of rust resistance, lubrication, cleaning and temperature reduction.
Owner:WEIFANG HENGYUAN CHEM PLANT

Preparation method of isocyanate modified polyether silicone oil nonionic emulsion and product and application thereof

ActiveCN110042667ASolve yieldSolve problems such as purification difficultiesCarbon fibresFiberCarbon fibers
The invention provides a preparation method of an isocyanate modified polyether silicone oil nonionic emulsion and a product and application thereof. The method comprises the steps of synthesizing double-end containing hydrogen silicone oil, synthesizing double-end hydroxyl modified silicone oil, synthesizing isocyanate modified polyether silicone oil, adding a proper amount of water for emulsifying, performing co-emulsifying with cationic amino modified epoxy silicone oil, and performing compounding to prepare a carbon fiber precursor oil agent. The technical problems met during an addition reaction of polyether modified silicone oil and high molecular weight polyethylene glycol monoallyl ether through containing hydrogen silicone oil that the reaction is difficult, the yield is low, theseparation purification is hard, and the color is dark are solved, and meanwhile the problems that the storage stability of amino modified silicone oil in the weak acid water phase is poor, compounding with cationic amino modified epoxy silicone oil is performed to prepare the carbon fiber precursor oil agent, after oiling, the carbon fiber precursor is stuck to rollers in the high-temperature drying and rolling process are solved.
Owner:吉林乾仁新材料有限公司

Application of titanium phosphate for preparing facial beautifiers

The invention discloses application of titanium phosphate for preparing facial beautifiers. The titanium phosphate is a white powder material, has good biocompatibility, is not easy to absorb through skin, has certain whitening performance, moisturizing performance, smoothness and photocatalytic activity when used in the facial beautifiers, and is a soft pigment for the facial beautifiers.
Owner:SHANTOU XUEQI COSMETICS

Spindling cleaning solution of cotton picker

The invention relates to a spindling cleaning solution of a cotton picker, which is prepared from the following components in percent by weight: 70-90 percent of mineral oil, 3-20 percent of non-ionic surfactant, 0-5.0 percent of rust inhibitor, 0-6 percent of alcohol antifreeze, 0-3.0 percent of inhibitor and 0-2 percent of alcohol amine alkaline agent. The cleaning solution can be used after being diluted with 150-300 times of water, has the functions of cleaning, cooling, lubricating, resisting rust, and the like, also has the advantages of low viscosity, good emulsibility and liquidity, low surface tension and favorable cleaning action on spindling and is environment-friendly and safe because contents, such as phosphate, nitrite and silicate are not contained in a formulation.
Owner:新疆五家渠现代石油化工有限公司

Dedicated thread compound for casing drilling

The invention relates to a screw-thread grease for casing well drilling, wherein the constituents include (by weight percent): molybdenum disulfide composite lithium-based grease 10-50%, expanded graphite 10-30%, copper powder 1-10%, zinc powder 0-30%, lead powder 0-40%, magnesium sulfonate 0.1-5%, SP-80 0.1-8%, dimethyl silicon oil 0.1-5%, polytetrafluoroethylene 0-12%, gas phase silicon dioxide 1-15%. The screw-thread grease is prepared by using thickened mineral oil as carrying agent, charging solid substance, bulking agent, expanded graphite sealing material, then carrying out homogenization.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

A kind of compound preparation for human body and application thereof

A compound preparation for human external use and its application belong to the technical field of human preparations. The lectin and the white fungus polysaccharide are used as active components, and the relative weight ratio between the two active components contained in the preparation is: 0.5-1.0 parts of the lectin and 1.5-3.0 parts of the white fungus polysaccharide. Said lectin is preferably kidney bean lectin. The dosage form is preferably a gel solution. 100ml of the gel solution contains 0.5-1.0 grams of plant lectin, 1.5-3.0 grams of tremella polysaccharide, 0.8-0.9 grams of NaCl, and pH buffers, stabilizers, and preservatives. The preparation is mainly used for external use by humans during sexual behavior, and it also has the functions of contraception, prevention and treatment of sexually transmitted diseases and lubrication; it can also be used as skin care products. Its principle of action is brand new and will not affect the human endocrine system; it can interfere and prevent HIV and other pathogens from invading normal cells in the body; it is extremely safe.
Owner:YUNNAN NORMAL UNIV

Phosphorization processing liquid for surface of carbon steel and nickel plating enclosure method

The invention relates to a phosphorization processing liquid for the surface of carbon steel and a nickel plating enclosure method, belonging to the technical field of chemical conversion film processing for the surface of metal. The phosphorization processing liquid comprises the following components: 2.0-7.0 g / L ZnO, 10-40 g / L PO4<3->, 2.0-17 g / L NiSO4*6H2O, 0.4-0.8 g / L of guanidine nitrate, 10-30 g / L of sodium nitrate and 0.4-0.8 g / L of Ce<4+> rare-earth ions, and the pH value of the phosphorization processing liquid is 2.7-2.9. The nickel plating enclosure method comprises the following steps: polishing a carbon steel sheet, removing oil by using acetone, soaking the carbon steel sheet in 5 g / L of surface correction liquor for surface correction, and then putting the carton steel sheet into the phosphorization processing liquid; controlling the temperature of the phosphorization processing liquid to be about 45 DEG C and carrying out phosphorization reaction for 15 mins; cleaning and blowing for drying after the phosphorization reaction; placing the phosphorized carbon steel sheet into nickel plating liquid, and plating nickel for 1 minute at room temperature and constant current; and cleaning and blowing for drying after nickel plating enclosure is finished. A phosphorization film generated after phosphorization treatment and nickel plating enclosure treatment has better corrosion resistance, and a generated film is uniform and compact.
Owner:SHANGHAI UNIV +1

Chewable tablet helpful for improving of memory and preparation method thereof

The invention discloses a chewable tablet helpful for improving of memory. The chewable tablet is prepared from, by weight, 100-125 parts of pineapple pulp, 30-42 parts of apple pulp, 12-16 parts of peanut kernels, 8-12 parts of walnut kernels, 28-32 parts of milk tree juice, 100-110 parts of germinated brown rice milk, 15-20 parts of millet, 5-8 parts of herbs of Russian boschniakia, 6-8 parts of grassleaf sweelflag rhizomes, 12-14 parts of poria, 16-18 parts of shepherd's purse, 4-8 parts of Chinese wolfberry fruits, 2-5 parts of germanite, 12-14 parts of spirulina, 5-9 parts of kelp, 6-10 parts of mushrooms, 12-14 parts of black fungus, 0.15-0.25 part of isomalto-oligosacharide, 0.05-0.1 part of fructo-oligosaccharide, 0.2-0.3 part of peach gum powder, 1.5-1.8 parts of gulcomannan and 0.05-0.08 part of xanthan gum. The chewable tablet has an effect on improving of memory.
Owner:李新福

Diesel engine safety protection device

ActiveCN105952500AWith adjustable speed transmission auxiliary functionWith overspeed protection functionMachines/enginesSafety/regulatory devicesRemote controlDiesel engine
The invention discloses a diesel engine safety protection device. The diesel engine safety protection device comprises an intermediate gear assembly, a bevel gear assembly, a galloping protection device component, an electromagnetic shutdown protection component and a shutdown mechanism component. The rotating speed of a diesel engine is transmitted to the bevel gear assembly through the intermediate gear assembly. The input rotating speed is sent to a speed governor through the bevel gear assembly. The speed governor controls the shutdown mechanism component to adjust an accelerator pull rod of the diesel engine. The rotating speed is transmitted to the galloping protection device component through the intermediate gear assembly. When the rotating speed of the diesel engine is larger than the galloping protection rotating speed threshold value, the output end of the galloping protection device component drives a third rocker arm to rotate through a stop block, and the third rocker arm controls the shutdown mechanism component to adjust the accelerator pull rod. The electromagnetic shutdown protection component is connected with the third rocker arm and capable of driving the third rocker arm to rotate through energizing remote control or manual control, and the third rocker arm controls the shutdown mechanism component to adjust the accelerator pull rod. The diesel engine safety protection device has the functions of speed governing transmission assisting, overspeed protection, emergency shutdown and the like.
Owner:CHONGQING HONGJIANG MACHINERY

Multielement nanometer spray for operating room instrument sterilization and preparing method thereof

The invention discloses a multielement nanometer spray for operating room instrument sterilization and a preparing method thereof. The spray is prepared from propylene glycol, phosphorous acid, nanometer medical stone meal, sodium citrate benzotriazole, fluvastatin, zinc sulfate, iris florentina extract, polygonum orientale extract, aloe-emodin, jasmonic acid, laggera alata extract, 2-phenoxetol, prothioconazole, 4-chloro-3,5-dimethylphenol, iprodione, phosphorous acid, trifloxystrobin, alkyne tert-butyl carbamate, emulgator, defoamer, surfactant, liquid stabilizer, ethanol and deionized water. The spray can achieve antibiosis, lubrication and corrosion resistance, and can be widely applied to operating room instrument sterilization to effectively kill various bacteria and viruses with generating residues and prevent hospital cross infection.
Owner:福建省诚佳建设工程管理有限公司

Latex abrasive base paper and preparation method and application thereof

The invention provides latex abrasive base paper, which is prepared from the following raw materials in parts by weight: 30-50 parts of cornstalk fiber, 100 parts of high-density cotton linter pulp, 5-12 parts of polypropylene fiber, 20-40 parts of alkali-free glass fiber chopped strands and 3-8 parts of a ceramic fiber; the base paper is prepared from the following raw materials in parts by weight: 0.1-4 parts of amphoteric polyacrylamide, 0.2-0.8 part of modified starch light calcium carbonate, 0-0.2 part of polyoxyethylene with the molecular weight of 2500000 to 3000000, 0-0.2 part of an antifoaming agent and 5-10 parts of latex. The latex abrasive base paper has the characteristics of being good in abrasive resistance, good in flexibility and high in tensile strength.
Owner:杭州特种纸业有限公司

Environmental-protection lubricating water-based cutting fluid

The present invention discloses an environmental-protection lubricating water-based cutting fluid, which comprises the following raw materials by weight: 8-20 parts of sodium abietate, 15-25 parts of a rosin amine glucose ester surfactant, 5-10 parts of rosin amine polyoxyethylene ether, 12-18 parts of a polyaniline aqueous anti-corrosion agent, 5-15 parts of triethanolamine oleate, 3-8 parts of triethanolamine, 3-10 parts of diisopropanolamine, 10-15 parts of sodium carbonate, 5-15 parts of hydrophilic alcohol, 3-6 parts of a sterilization agent, 2-5 parts of a foaming agent, 3-10 parts of a stabilizer, and 80-100 parts of water. The environmental-protection lubricating water-based cutting fluid has functions of excellent cleaning, excellent lubrication, excellent corrosion resistance and excellent cooling, and further has characteristics of environmental protection, long service life, good water solubility, low cost, and high stability.
Owner:CHAOHU GUANGFENG METAL PROD

Epoxy anticorrosive coating

The invention discloses an epoxy anticorrosive coating. The coating comprises the following components in percentage by mass: 55-65% of resin, 23-28% of pigments and packing and 12-17% of auxiliary agents, wherein the resin comprises the following components in percentage by mass: 40-50% of oil modified epoxy resin, 5-10% of oil soluble phenolic resin and 5-10% of hexamethoxymethylmelamine resin. The epoxy anticorrosive coating disclosed by the invention can form a 200-400 [mu]m-thick coating by primary coating, has excellent water resistance, saline water resistance, oil resistance and chemical resistance, has a stiff coating film, has excellent physical properties such as adhesive force, wear resistance, impact resistance and the like, and is suitable for using as a long anticorrosive coating for chemical equipment, an inner wall of a high press water pipe and a steel member exposed to a corrosive environment.
Owner:CHENGDU 90 DEGREE IND PROD DESIGN CO LTD

Injectable cartilage tissue protection and repair material containing xanthan gum

The invention discloses an injectable cartilage tissue protection and repair material containing xanthan gum. The material comprises 1-10 parts of the xanthan gum, 0.5-10 parts of sodium hydrogen phosphate, 0.5-10 parts of monosodium phosphate and 250-500 parts of water for injection, wherein the average relative molecular weight of the xanthan gum is 2.10-9.90 million. The molecular weight section of the xanthan gum is lower, so that the xanthan gum can have better physical filling and lubrication functions on damaged joints; the injectable cartilage tissue protection and repair material containing the xanthan gum has good viscoelasticity, safety and stability as well as better filling and lubrication functions, can form a lubrication pad layer on the surface of articular cartilage, isolate damage of stimuli to the articular cartilage, promote repair of articular cartilage tissue, be remained for a long time on the surface layer of the articular cartilage, protect the articular cartilage, stabilize chondrocyte phenotypes, reduce damage to the articular cartilage, promote repair of the articular cartilage and slow a process of degenerative changes of the cartilage.
Owner:SHANDONG FREDA PHARMA GRP CO LTD

Preparation method of stain-resistant self-cleaning glass cleaner

The invention discloses a preparation method of a stain-resistant self-cleaning glass cleaner. The stain-resistant self-cleaning glass cleaner is prepared from the following components in parts by weight: 15-20 parts of cocoanut fatty acid diethanolamide, 10-15 parts of a mixture of monohydric alcohols and polyhydric alcohols, 2-5 parts of tween 800, 5-6 parts of sodium hexametaphosphate, 3-7 parts of ammonia water, 5-8 parts of glycerin, 6-10 parts of 1-ethyl-3-methyl squinazole tetrafluorate, 2-4 parts of sodium pyrophosphate, 6-10 parts of dodecafluoroheptyl methacrylate, 7-9 parts of hydroxyethyl methylacrylate, 1-3 parts of ammonium persulfate,5-8 parts of an emulsifier, 2-6 parts of an antistatic agent and 40-60 parts of deionized water. After the cleaner is used, a super-hydrophobic self-cleaning surface is formed on the surface of glass; pollutants of water drops, dust and the like can automatically fall off; the clean surface of the glass is relatively well stored; stains of oil stains, water stains and the like on the surface of the glass can be effectively removed; the raw materials are free of corrosivity; the injury to the surface of the glass is relatively small; and the 1-ethyl-3-methyl squinazole tetrafluorate is a water-soluble ionic liquid which has lubricating, anticorrosion and protecting effects.
Owner:青岛净世家环保技术有限公司

Cutting fluid for cutting high-precision dies and preparation method thereof

A cutting fluid for cutting high-precision dies is prepared from the following raw materials in parts by weight: 20-24 parts of kerosene, 2-3 parts of span-80, 1-2 parts of benzotriazol, 10-12 parts of soybean oil, 1-2 parts of melamine, 1-2 parts of sodium sulfate, 1-2 parts of 1,3,5-tris(2-hydroxyethyl)cyanuric acid, 4-6 parts of urea, 6-8 parts of an auxiliary agent and 200 parts of water. The cutting fluid provided by the invention not only has excellent performances such as lubricity, cooling performance, wear resistance, rust resistance, sterilization performance and cleaning performance, but also has the performance of forming a film on the surface of a workpiece, and is applicable to processing of high-precision workpieces, the yield is high and the cutting speed is fast. By utilizing the cutting fluid to process a long-diameter Fresnel lens die, the surface quality of the die is uniform, the precision is high, the cost is low and no pollution exists.
Owner:MAANSHAN HENGYI MACHINERY MFG

Anti-wrinkle oil-removing membrane type skin care products containing theabrownin and preparation method thereof

The invention belongs to the technical field of membrane type skin care products added with theabrownin and particularly provides anti-wrinkle oil-removing membrane type skin care products containing theabrownin and a preparation method thereof. The anti-wrinkle oil-removing membrane type skin care product is prepared from a theabrownin ethanol solution or theabrownin powder, citric acid and at least one membrane forming material. The preparation method comprises the steps that green tea is fermented through aspergillus niger to obtain a fermentation liquor rich in theabrownin, then the fermentation liquor is prepared into the theabrownin powder or the theabrownin ethanol solution, and finally the theabrownin powder or the theabrownin ethanol solution is fused with the membrane forming materials to prepare various membrane type skin care products. The oxidation resistance, oil removal and other functions of the theabrownin are utilized, the finished membrane type skin care products have the properties of preventing wrinkle forming, removing oil, lubricating the skin, resisting oxidation and the like. The products are low in cost, the preparation process is simple, the production cost is low, and the obtained membrane type skin care products are pure natural cosmetics, have obvious anti-wrinkle oil-removing moisturizing effects and have good market prospect.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Efficient automobile glass cleaning liquid

The invention provides efficient automobile glass cleaning liquid, belongs to the technical field of an automobile glass daily maintenance article, and particularly relates to the efficient automobile glass cleaning liquid. A glass cleaning agent is prepared from the following raw materials through being metered by regarding the total weight of the raw materials as 100 parts: 23 to 53 parts of antifreezing degreasers, 0.1 to 0.5 part of nonionic surfactants, 0.1 to 0.3 part of anionic surfactants, 0.01 to 0.1 part of complexing agents, 0.1 to 0.2 part of corrosion inhibitors, 0.1 to 0.5 part of lubricating agents, 0.01 to 0.15 part of essence and the balance of softened pure water. After the stirring, still standing is performed; the sampling in multiple points and positions is uniform. The invention provides the efficient automobile glass cleaning liquid has the advantages of cleanness, anti-freezing effect, anti-fogging effect, lubricating function, anti-static effect and anti-corrosion performance, and also has the functions of delaying the rubber and plastic aging and refreshing the mind and the brain of a driver.
Owner:淄博长宝新材料股份有限公司

Multifunctional drilling fluid additive and preparation method thereof

The invention provides a multifunctional drilling fluid additive and a preparation method of the multifunctional drilling fluid additive. The preparation method comprises a first step of heating water up to 35-70 DEG C; cation fluorocarbon surfactant, alcamines chemical compound and nonionic surfactant are respectively added under the condition of stirring. When the cation fluorocarbon surfactant, the alcamines chemical compound and the nonionic surfactant are all added, the mixture of the water, the cation fluorocarbon surfactant, the alcamines chemical compound and the nonionic surfactant are stirred for 0.5-2h. A second step of cooling down the temperature to 30-34 DEG C; antifoaming agents are added, and the water, the cation fluorocarbon surfactant, the alcamines chemical compound, the nonionic surfactant and the antifoaming agents are stirred and emptied to obtain the multifunctional drilling fluid additive. The multifunctional drilling fluid additive and the preparation method of the multifunctional drilling fluid additive are simple in craft and low in cost. The product obtained has the advantages of being lubricated, anti-sloughed and de-filtrated, and reducing surface tension and the like. The ability of resistance to temperature reaches 180 DEG C, and the multifunctional drilling fluid additive and the preparation method of the multifunctional drilling fluid additive can be applied for a deep well and an extradeep well, have good compatibility performance of the drilling fluid, and have no blighting effects on the drilling fluid.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA) +2

Pharmaceutical preparation containing low molecular weight xanthan gum for intra-articular injection and preparation method of pharmaceutical preparation

The invention discloses a pharmaceutical preparation containing low molecular weight xanthan gum for intra-articular injection. The pharmaceutical preparation contains the low molecular weight xanthan gum, has the relative molecular mass of 0.1-1.99million, has the content of 0.01-5% (w / v), and has an osmotic pressure of 200-400 mOsmol / L and a pH value of 5.5-9. The pharmaceutical preparation containing low molecular weight xanthan gum for intra-articular injection is obtained by the following preparation method: regulating the pH value of raw xanthan gum aqueous solution with the concentration of 1-10% and the relative molecular weight of 3 million to 5-10, adding the solution into a high-pressure reactor, stirring under a certain pressure and temperature for reacting, precipitating the product by using absolute ethyl alcohol, washing, drying so as to obtain the xanthan gum with the relative molecular mass of 0.1-1.99million; and uniformly mixing the xanthan gum and other components, thereby obtaining the preparation. The pharmaceutical preparation containing low molecular weight xanthan gum for intra-articular injection disclosed by the invention can be applied to improving and treating rheumatic arthritis, rheumatoid arthritis, osteoarthritis, synovitis and / or cartilage injury and has the advantages of long in-vivo retention time, capacity of being discharged out of the body through degradable and metabolic pathways and high safety.
Owner:SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES +1

Spermicidal contraceptive gel composition and preparation method thereof

The invention discloses a spermicidal contraceptive gel composition and a preparation method thereof. The spermicidal contraceptive gel composition mainly comprises 0.01-5% of didecyl dimethyl ammonium chloride, 0.01-5% of tetradecyl dimethyl benzyl ammonium chloride, 0.01-12% of octoxinol and medically acceptable auxiliary materials. The spermicidal contraceptive gel composition disclosed by the invention has fast spermicidal speed, high efficiency, convenience in use, safety, cheapness, efficacies of lubricating, diminishing inflammation and sterilizing, and no toxic side effects.
Owner:SHANGHAI OPAI BIOLOGICAL TECH

Bakuchiol-containing liposome and preparation method thereof

The invention discloses a bakuchiol-containing liposome and a preparation method thereof. The bakuchiol-containing liposome is prepared from, by weight, 3 to 8 parts of bakuchiol, 3 to 8 parts of lecithin, 0.5 to 1.5 parts of cholesterol, 5 to 15 parts of caprylic / capric triglyceride, 15 to 30 parts of 1, 3-propylene glycol, 1 to 3 parts of acetylated sodium hyaluronate and 50 to 65 parts of water. The preparation method comprises the following steps: adding bakuchiol, lecithin and cholesterol into caprylic / capric triglyceride and 1, 3-propylene glycol, and melting to obtain an oil phase; adding acetylated sodium hyaluronate into water, and dissolving to obtain a water phase; and adding the oil phase into the water phase, and homogenizing at high pressure to obtain the psoralen-containing liposome. The bakuchiol-containing liposome has the characteristics of small skin irritation and good transdermal absorption effect.
Owner:ZHEJIANG YIGE ENTERPRISE MANAGEMENT GRP CO LTD

Yoghurt stabilizer containing flaxseed gum and application thereof in preparation of yoghurt

The invention relates to a yoghurt stabilizer containing flaxseed gum. By mass percentage, the yoghurt stabilizer comprises 1%-16% of flaxseed gum, 4%-40% of pectin, and 44%-95% of modified starch. The invention also provides a preparation method of fermented yoghurt. The method includes: mixing the yoghurt stabilizer, a sweetener, water and milk powder evenly to obtain a mixed solution, in which the mass percentage of the yoghurt stabilizer is 0.25%-0.94%, the mass percentage of the milk powder is 9%-10%, the mass percentage of the sweetener is 5%-8%, and the balance is water; homogenizing the mixed solution; sterilizing the homogenized liquid; adding a yoghurt fermentative strain into the cooled mixed solution, and stirring the substances evenly; conducting filling and capping, and then performing fermentation; and carrying out refrigeration and after-ripening on the fermented yoghurt, thus obtaining yoghurt. The yoghurt stabilizer provided by the invention can enhance yoghurt viscosity and improve the texture state, has delicate taste and lubricant effect, and can guarantee the product a uniform state during the shelf life.
Owner:SHANGHAI INST OF TECH

Qualitative filtration paper, preparation method and applications thereof

InactiveCN107190556AGood filtration and absorption performanceHigh strengthDefoamers additionPaper coatingFiltrationPolyacrylamide
The present invention provides qualitative filtration paper, which comprises, by weight, 30-50 parts of corn straw fiber, 5-12 parts of polypropylene fiber, and 30-50 parts of high density cotton linter pulp, wherein 0.05-2 parts of amphoteric polyacrylamide, 0.2-0.8 part of modified starch light calcium carbonate, 0.05-3 parts of polyoxyethylene having a molecular weight of 2500000-3000000, and 0-0.2 part of a defoamer are used during the preparation, and an impregnant is a modified phenol formaldehyde resin. The qualitative filtration paper of the present invention has advantages of good filtration absorption performance, long service life, good water resistance, and high compressive strength.
Owner:杭州特种纸业有限公司

Water-based graphite dispersion liquid and preparation method thereof

The invention provides a water-based graphite dispersion liquid which comprises the following components in parts by weight: 20-35 parts of graphite micro powder, 5-15 parts of a humectant, 0.5-5 parts of a wetting agent, 1-5 parts of a dispersion agent, 0.1-1 part of a pH regulator, 0.3-5 parts of an anti-settling agent, 0.1-0.5 part of an antifoaming agent, and 30-60 parts of water. The invention also provides a preparation method of the water-based graphite dispersion liquid; compared with a conventional conductive graphite using oleoresin as a base medium, the water-based graphite dispersion liquid provided by the invention adopts the water as a dispersion medium, can be used for effectively avoiding severe contamination caused by volatilization of organic matters, and is a green chemical product; in addition, the water-based graphite dispersion liquid is good in dispersion performance, not only has a good conductive performance, and simultaneously has excellent performances of lubricating and the like. The water-based graphite dispersion liquid is simple in preparation method, easy in condition control, high in repeatability, and easy in large-scale popularization and utilization.
Owner:DONGGUAN ZHENGLIN CHEM TECH CO LTD

Running belt finished product or semi-finished product and manufacturing method thereof

InactiveCN106983987AInterface Strength ImprovementInterface strength solutionSynthetic resin layered productsClosed loop articlesPolyvinyl chloridePolyamide
The invention provides a finished or semi-finished running belt and its preparation method, which mainly uses sub-micron or nano-powders with high thermal diffusivity and low thermal conductivity, first disperses the surface active agent, and then adds it to the polymer in a gradually quantitative manner. Propylene (PP), polyethylene (PE), polyamide (PA), polyurethane (PU), polyvinyl chloride (PVC), artificial rubber or natural rubber or their solvents, using a mixing mixer Fully and uniformly mix high thermal diffusivity and low thermal conductivity sub-micron or nano-powders in the base material or solvent, and then after pasting, covering or impregnating pressure-absorbing woven fabrics, knitted fabrics or non-woven fabrics, and finally drying and curing, Manufactured into a running belt with multiple functions such as heat dissipation and prolonging service life.
Owner:乔山健身器材(上海)有限公司

Multifunctional drilling fluid additive and preparation method thereof

The invention provides a multifunctional drilling fluid additive and a preparation method of the multifunctional drilling fluid additive. The preparation method comprises a first step of heating water up to 35-70 DEG C; cation fluorocarbon surfactant, alcamines chemical compound and nonionic surfactant are respectively added under the condition of stirring. When the cation fluorocarbon surfactant, the alcamines chemical compound and the nonionic surfactant are all added, the mixture of the water, the cation fluorocarbon surfactant, the alcamines chemical compound and the nonionic surfactant are stirred for 0.5-2h. A second step of cooling down the temperature to 30-34 DEG C; antifoaming agents are added, and the water, the cation fluorocarbon surfactant, the alcamines chemical compound, the nonionic surfactant and the antifoaming agents are stirred and emptied to obtain the multifunctional drilling fluid additive. The multifunctional drilling fluid additive and the preparation method of the multifunctional drilling fluid additive are simple in craft and low in cost. The product obtained has the advantages of being lubricated, anti-sloughed and de-filtrated, and reducing surface tension and the like. The ability of resistance to temperature reaches 180 DEG C, and the multifunctional drilling fluid additive and the preparation method of the multifunctional drilling fluid additive can be applied for a deep well and an extradeep well, have good compatibility performance of the drilling fluid, and have no blighting effects on the drilling fluid.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA) +2

Steel phosphating liquid containing magnesium and nickel and phosphating method thereof

The invention relates to a magnesium-nickel contained steel phosphorization solution and a phosphorization method thereof. The components of the phosphorization solution and the concentration of each component are as follows: magnesium oxide of 4.5 to 4.8g / L, calcium carbonate of 3.0 to 3.5g / L, sodium nitrate of 1.5 to 2.5 g / L, and sodium dodecylbenzebesuefonate of 0.05 to 0.1g / L. The specific steps of the method are as follows: a steel sheet is put into the well-prepared phosphorization solution; the pH value of he phosphorization solution is kept at 2.0 to 4.0; ozone is input the ozone concentration is kept within the scope of 1.3 to 3.0 mg / L; a phosphorization reaction is in process under the temperature of 35 to 50 DGE C for 3 to 10 minutes; after the phosphorization is completed, the steel sheet is cleaned with the clean deion water and then dried. The phosphorization solution of the invention does not contain poisonous or carcinogenic Cr (VI), nitrite (NO2<->), nitrogen oxide (NOx), and other components. The phosphorization temperature is low and the film-forming is quick. Moreover, a phosphorization film formed with the invention is even and compact, and is provided with the good corrosion and abrasion resistance. In addition, the invention is provided with the effect of promoting the coating layer adhesive force, and so on.
Owner:SHANGHAI UNIV
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