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132results about How to "With lubrication" patented technology

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

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

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

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

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

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

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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