104results about How to "Simple configuration process" patented technology

The invention relates to anti-bacterial water-based paint and a preparation method thereof. The paint comprises the following components in parts by weight: 0.2-11 parts of anti-bacterial agent, 8-33 parts of nano material, 23-64 parts of water-based resin dispersoid and 0.75-18 parts of adhesive resin or plasticizer. The preparation method comprises the following steps: firstly preparing a nano silver anti-bacterial agent; mixing deionized water, the anti-bacterial agent, a wetting agent, a dispersing agent and a defoaming agent and uniformly mixing, adding the nano material, uniformly dispersing to obtain the water-based dispersoid; adding the obtained water-based dispersoid to the mixed emulsion or water-based resin dispersoid, then adding the adhesive resin or plasticizer and various conventional assistants, stirring and dispersing evenly; adding pigments or colorant; and supplementing water to obtain the anti-bacterial water-based paint. The long-acting broad-spectrum antibacterial water-based paint has high fungicidal efficiency (more than 99%) on escherichia coli, staphylococcus aureus, black varietas of bacillus subtilis and the like and can reduce the high concentrate of organic matters of formaldehyde to the range of specified concentration index.

The invention relates to stannum/carbon nano-fiber composite film material used in the negative electrode of a lithium ion battery and a preparation method thereof and also provides an assembly method of the stannum/carbon nano-fiber composite film material generated according to the preparation method and used as the electrode of the lithium ion battery. The preparation method comprises the following steps: preparing an uniform spinning solution by mixing a stannum precursor compound, a solvent, a precursor polymer of carbon nano-fibers and an organic solvent together; obtaining a polymer nano-fiber film by electro spinning according to a suitable electrostatic spinning technology; and obtaining a stannum/carbon nano-fiber composite film used in the negative electrode of the lithium ion battery through final treatment technologies, such as preoxidation, carbonization, and the like, thereby effectively collaborating the electrochemical performance of stannum/carbon nano-fibers and improving the specific capacity, the first charge-discharge efficiency and the cycle performance of the lithium ion battery.

The invention discloses a composite foamed cement heat retaining panel using high-volume fly ash and a preparation method thereof; the composite foamed cement heat retaining panel is prepared by 60-80 parts of cement, 20-40 parts of fly ash, 0.6-3.0 parts of moisture repellent, 0.12-0.30 part of a water reducing agent, 0.8-3.0 parts of an exciting agent, 0.3-0.50 part of anti-crack fiber, 30-60 parts of water and 4-8 parts of a foaming agent (by weight); the preparation method comprises the following steps: weighing each raw material; adding the water, the anti-crack fiber, the moisture repellent, the cement, the fly ash, the water reducing agent; stirring a mixture; adding the exciting agent; stirring the mixture; adding the foaming agent; stirring the mixture so as to prepare mixed slurry; then, injecting the mixed slurry into a mould; putting the mould statically for 4-5 hours; removing the mould; after 24 hours, cutting and packaging a product; and maintaining the product until age is 28 days. According to the invention, a part of the cement is substituted by fly ash; cost is low; environment pollution is reduced; and social efficiency and economic benefit are obvious.

The invention discloses graphene composite copper thick film conductive slurry. The graphene composite copper thick film conductive slurry comprises the following components in percentage by mass: 60%-80% of conductive phase, 0.5%-5% of glass phase, 15%-39.5% of organic carrier, totaling 100%. The preparation method comprises the steps of mixing the components, heating to 35-40 DEG C, and uniformly stirring. According to the graphene composite copper thick film conductive slurry disclosed by the invention, by adding graphene with an excellent conductive property, the conductive property of the slurry is improved; by bismuth oxide low-melting glass, the conductive thick film slurry has excellent electrical properties and adhesion force even when being sintered at a low temperature. The slurry has the advantages of good conductivity and small printing thickness, can be effectively applied to production of a conductive material for various products, has the advantages of simple preparation process, convenience in operation, good conductivity, uniform distribution of particle sizes and easiness in coating, and is suitable for mass production of enterprises.

The invention relates to a neuron-specific enolase stabilizer. The stabilizer is prepared from a Tris.HCl buffer solution, NaCl, sucrose, trehalose, casein, bovine serum albumin, PEG6000, lysine, disodium ethylene diamine tetraacetate, dithiothreitol, glycerin, Tween-20, Triton X-100, aprotinin with the final concentration of 100-300 KIU/mL, and Proclin 300, and above substances are uniformly mixed in Millipore ultrapure water used as a solvent, is filtered by a 0.22 [mu]m filter membrane, and finally is preserved at 0-10 DEG C. The stabilizer greatly improves the preservation stability of neuron-specific enolase, prolongs the shelf life of a kit, simplification of the production technology and the doctor's detection operation process of a neuron-specific enolase detection kit, improvement of the metamorphism resistance in the preparation, transportation and storage process of the neuron-specific enolase, and reduction of inter-assay variation caused by a freeze-drying technology.

The invention discloses carbon nano tube composite copper thick membrane electroconduction slurry. The carbon nano tube composite copper thick membrane electroconduction slurry comprises the following components in percentage by mass: 60%-80% of electroconduction phase, 4%-10% of a glass phase and 15%-30% of an organic carrier. The preparation method comprises the following steps: mixing all the components, heating to 35-40 DEG C, and stirring uniformly, thereby obtaining the carbon nano tube composite copper thick membrane electroconduction slurry. According to the carbon nano tube composite copper thick membrane electroconduction slurry, a carbon nano tube is added in the electroconduction phase in copper slurry; the electroconduction performance of the electroconduction slurry is improved, and the printing thickness is low; lead-free environmental-friendly low-fusing-point glass of a CaO-ZnO-B2O3 system is adopted so as to form electroconduction slurry which is sintered at low temperature and also shows excellent electric performance and adhesive powder; the electroconduction slurry can be effectively applied to electronic devices; the slurry preparation technology is simple, is convenient to operate, is good in electroconduction property, is easy to coat, and is suitable for scale production of enterprises.

The invention discloses a composite powder base fire extinguishing agent and a preparation method thereof, which are characterized in that the vacuum pumping is carried out on 85 to 95 percent of layer double hydroxide with the grain diameter lower than 10mum according to the mass percent of the system to a value lower than 0.01 MPa in a pressure-resistant container, 2-bromine-3, 3, 3-trifluoropropene liquid is filled for soaking the powder, and the materials are stirred for more than 12 hours at a speed of 300 to 600r/min at -5 to 10 DEG C; then, the powder is separated through extraction filtering and is placed for 6 to 10 hours at room temperature, then, 0.8 to 2.2 percent of magnesium stearate with the grain diameter lower than 10mum according to the mass percent of the system is added and is uniformly mixed; the obtained composite powder fire extinguishing agent simultaneously has hydrophobicity and lipophobicity, the moisture-proof performance and the anti-reignition performance are good, the fire extinguishing efficiency is high, the composite powder fire extinguishing agent can be used as the fire extinguishing agent and can also be used as additives of powder extinguishing agents, raw materials have low price and can be easily obtained, the preparation process is simple, and the composite powder fire extinguishing agent is suitable for being used for various fire extinguishers to extinguish various kinds of fire hazards.

The invention provides a photocurable non-transparent material for 3D printing, a preparation method thereof, a 3D printing product and a 3D printer. The photocurable non-transparent material for 3D printing comprises the following components in parts by weight: 30-70 parts of a first acrylate component, 20-60 parts of a second acrylate component, 0.5-5 parts of a photoinitiator, 0.5-8 parts of anauxiliary agent and 0-4 parts of a colorant, wherein the first acrylate component is a polar acrylate component; and the second acrylate component is selected from at least one of weakly polar and non-polar acrylate components. According to the photocurable non-transparent material for 3D printing provided by the invention, a 3D printing product can be made non-transparent without adding white pigments such as titanium dioxide, so that the photocurable non-transparent material for 3D printing has the characteristics of high stability, the smoothness in a 3D printing process is ensured, the 3Dprinting product has good quality, and the 3D printer containing the photocurable non-transparent material for 3D printing has good performance.

The invention relates to an ecological shell powder coating substrate, and belongs to the technical field of building materials. The ecological shell powder coating substrate is prepared from the following raw materials in parts by weight: 40-50 parts of shell powder, 20-28 parts of talcum powder, 3.2-5.5 parts of sodium bentonite, 8.5-9.8 parts of a pure acrylic emulsion, 0.2-0.4 part of an antifoaming agent, 0.5-0.6 part of a dispersing agent, 0.26-0.4 part of HPMC (hydroxypropyl methyl cellulose), 0.2-0.35 part of a bactericide, 20-35 parts of water and 0.25-0.45 part of a mildew preventive; a preparation method comprises the following steps: step 1, preparing the shell powder; step 2, preparing the ecological shell powder coating substrate. According to the ecological shell powder coating substrate, provided by the invention, the production cost is extremely low, the cost of the ecological coating is greatly reduced, and a greater price advantage and quality guarantee are achieved; besides, the prepared exterior wall coating has the characteristics of ultraviolet radiation protection, air purification, corrosion resistance, scratch resistance, temperature regulation and control, good stain resistance and the like, and the preparation method is simple in preparation processes, environment-friendly and low-carbon.

The invention discloses a method for preparing an aromatic polyamide fiber paper base material by an electrospinning technology and belongs to the preparing field of aramid fiber papers. The method for preparing the aromatic polyamide fiber paper comprises the steps that (1), an aromatic polyamide fiber spinning solution is prepared; (2), the aromatic polyamide fiber spinning solution is sprayed under high-pressure spinning to form an aromatic polyamide fiber film; and (3), the aromatic polyamide fiber film is subjected to water bath, drying, then high temperature press polish treatment and hot press molding, so that the aromatic polyamide fiber paper base material is formed. Aromatic polyamide fiber paper base materials prepared by traditional paper making methods have the problems that the fiber dispersing performance is poor, the forming strength is low, the paper uniformity is bad, the hot press performance can not be guaranteed, the requirement for papermaking performance is strict, so that the large-scale development of the aromatic polyamide fiber paper base materials is restricted. However, according to the aromatic polyamide fiber paper base material prepared by the method of spinning the aromatic polyamide fiber spinning solution by high-pressure multiple nozzles, the operation is simple and easy to implement, and the prepared aromatic polyamide fiber paper base material has excellent performance and more stable nature.

The invention discloses high-performance pumpable concrete for a well drilling wall and a preparation method thereof. The high-performance pumpable concrete comprises the following components in parts by weight: 400-450 parts of cement, 0-30 parts of silicon powder, 40-100 parts of coal ash, 0-100 parts of slag, 460-600 parts of a bonding material, 620-730 parts of sand, 1060-1110 parts of stone, 160-170 parts of water and a water reducer and a pumping agent which accounts for 1-3% of the total weight of the components. The concrete disclosed by the invention can satisfy the mobility of pumping request and the slump of the concrete is over 160mm; the concrete is good in homogeneity and the high-performance concrete prepared is not layered or separated and does not bleed under a great slump, so that the pump concrete discharged is in a continuous and uninterrupted turbulent condition; the frictional resistance of the concrete with a pipe wall is small and the preparation process is simple; the concrete is low in heat of hydration, high in durability and ant-crack and anti-permeability performances.

Present invention discloses a detection liquid for detecting irradiation of rice and grain foodstuff and use method. Detecting liquid is composed of following weight percentage compositions with pH value 2-5, acetic acid 4-6 per cent, propionic acid 5-15 per cent, oxalic acid 7-12 per cent, the others being distilled water. Detection method as follows: taking two equiponderant rice and grain powder respectively loading in two tanks, wherein adding detecting liquid in one tank adding distilled water in another tank, after uniformly stirring to proceed cooking-steaming viscosity spectra comparison, if the viscosity spectra curve of rice and grain added with detecting liquid being higher than that of distilled water, then judging it being processed by irradiation, otherwise judging being not processed by irradiation. Said invented detecting has low cost, simple configuring technology, can fast identify any kind of not gelatinized starch foodstuff whether being processed by irradiation with simple, fast and high accuracy.

The invention belongs to the technical field of preparation of skin-care products and relates to a method for preparing a cactus pear scar-removal composition used for removing and healing scars. The cactus pear scar-removal composition comprises the following raw materials: cactus pear, centella asiatica, kelp, fresh ginger and vitamin E. The preparation method comprises the following steps: taking acquired fresh cactus pear to prepare a cactus pear extract liquid; then grinding centella asiatica and kelp into a centella asiatica serous fluid and a kelp serous fluid; grinding fresh ginger into fresh ginger juice; proportionally mixing the raw materials; adding vitamin E; and performing uniform stirring to obtain the cactus pear scar-removal composition. The prepared cactus pear scar-removal composition does not contain additives, is good in absorption effect and is suitable for removing and healing scars, the selected raw materials are good in natural feature, the formula is scientific and reasonable, the configuration process is simple, and the application environment is friendly.

The invention discloses an environment-friendly impregnation system for fiber surface treatment, a preparation method and an impregnation method. The impregnation system comprises 100 parts of deionized water, 5-50 parts of maleic anhydride grafted polyolefin, 0.5-5 parts of a curing agent, 2-10 parts of blocked isocyanate and 50-200 parts of rubber latex. The raw materials adopted by the impregnation system are green and environment-friendly, and are industrial products, the preparation of an impregnation liquid and the fiber impregnation process are simple, and the process is short; and theisocyanate can enhance the activity of the fiber surface, and meanwhile, the maleic anhydride grafted polyolefin can be effectively co-vulcanized with the rubber latex, so that the formula system cangreatly improve the bonding effect between the fiber and the rubber, and can effectively replace an RFL impregnation system.