58results about How to "Frost resistant" patented technology

The invention relates to the technical field of heat-conducting components, in particular to a heat pipe with efficient heat-conducting effect and a heat-conducting medium thereof. The hot pipe comprises a metal pipe and the heat-conducting medium packaged in the metal pipe; and the heat-conducting medium is made from the following raw materials: 1,000g of deionized water, and 40-60g of potassium dichromate, 3-5g of boric acid, 8-12g of sodium perborate, 2-4g of sodium peroxide, 1-3g of calcium chloride, 6-10g of ethanol, 0.5-1g of manganese dioxide and 0.2-0.8g of zinc hydroxide, which are added into 1,000g of deionized water. By the technical scheme, a plurality of materials are cooperated with one another, and heat-conducting efficiency of a product is improved. By the heat pipe made from the heat-conducting medium, the heat-conducting efficiency is improved by 200-300% compared with that of the heat-conducting medium of an ordinary heat pipe, and the applicable temperature range of the heat pipe is wide.

The invention discloses a superhydrophobic coating preparation method, a coating prepared therethrough, and an application of the coating in the production of a highly-transparent superhydrophobic coating layer. The superhydrophobic coating preparation method comprises the following steps: adding a certain volume of a solvent, a cosolvent and a catalyst into a container one time, stirring the added substances at a certain rotating speed for a period of time, adding a certain volume of silicate ester and fluorine-containing siloxane, and continuously reacting all above substances at room temperature for a certain period of time to obtain the coating. The superhydrophobic coating prepared in the invention can be sprayed, dip-spread or dip-coated on glass, sheet paper, steel or other different substrates, and the transmittance of the produced coating layer in a visible light range reaches 92% or more. Compared with coating layers in the prior art, the produced coating layer has the advantages of simple production method, low cost, and facilitation of large-scale industrial production, has multiple uses in window glass, skyscraper light curtains, mobile phone screens and computer screens, and has great commercial values.

The invention discloses a preparation method of a cellulose ion conductive hydrogel and the prepared hydrogel. The preparation method comprises the following steps: S1, adding cellulose in a water solution of sodium hydroxide and urea, dissolving at the temperature of -5 DEG C to -20 DEG C, and stirring to obtain a transparent cellulose solution; S2, dropwise adding allyl glycidyl ether in the cellulose solution, reacting for 20-30 hours at the temperature of 25-35 DEG C and under the protection of an inert gas; S3, cleaning a product obtained in the step S2 with diethyl ether, performing rotary evaporation so as to remove the residual diethyl ether to obtain an allyl cellulose solution; and S4, adding ammonium persulfate in the allyl cellulose solution, stirring for 3-10 minutes, then centrifuging for defoaming, and reacting for 20-30 hours at the temperature of 25-35 hours so as to obtain the hydrogel. The cellulose ion conductive hydrogel provided by the invention has high stretchability, high compressibility, high freezing resistance and excellent ionic conductivity.

The invention relates to an efficient sound-absorbing ceramsite, belonging to the technical field of a building material. Aiming to solve the problems that city pollution can not be well solved, product properties are poor, the poor sound-absorbing effects are poor and the production cost is high in the prior art by mainly using the shale as ceramsite, can be solved, The invention provides the efficient sound-absorbing ceramsite, which is prepared from raw materials mainly consisting of raw materials of 60-80% of sludge, 5-20% of the shale, 5-20% of coal ash and 1.0-10% of additive. The efficient sound-absorbing ceramsite provided by the invention has the properties of wide sound-absorbing frequency band, fire resistance, good durability, freezing resistance, seismic resistance, high sound-absorbing coefficient, high porosity, light weight, high strength, heat resistance, anti-permeability and the like. The efficient sound-absorbing ceramsite further can be used for preparing a road barrier and a metro sound-absorbing material and has wide application prospect. Furthermore, the efficient sound-absorbing ceramsite provided by the invention mainly uses city sludge, so that not only can the problem of the city sludge be solved well, but also the overuse of a natural resource of the shale is reduced.

The invention provides a double-layer super-hydrophobic material and a preparation method thereof. An alloy substrate material is ground through abrasive paper and ultrasonically cleaned by being soaked in absolute ethyl alcohol, so that oxide films and oil stains on the surface of the alloy substrate material are removed, and A is obtained; the A is soaked in a mixed solution, formed by equivalent-volume mixing of a 0.01 mol/L stearic acid ethanol solution and a 0.01 mol/L nickel sulfate aqueous solution, according to the proportion of 0.5-10 mL/cm<2>, and then heated for 7 h through water at the temperature of 140 DEG C; the A is cooled, taken out and dried to obtain B; the B is soaked in a mixed solution, formed by equivalent-volume mixing of a 0.01-0.2 mol/L stearic acid ethanol solution and a 0.01-0.2 mol/L cobalt sulfate aqueous solution, according to the proportion of 0.5-10 mL/cm<2>, and then heated for 5-8 h through water at the temperature of 90-130 DEG C; and the B is cooled, taken out and dried to obtain the double-layer super-hydrophobic material. According to the double-layer super-hydrophobic material and the preparation method thereof, the purpose that alloy is provided with super-hydrophobic films with the corrosion resistance and the antifouling property being stable for a long time can be achieved.

The invention discloses soil improvement organic matter fertilizer capable of preventing, controlling and inhibiting soil plant diseases and insect pests. The soil improvement organic matter fertilizer is prepared from the following ingredients in parts by weight: 20-80 parts of soya-bean oil dreg, 20-80 parts of peanut oil dreg, 20-80 parts of tea oil dreg, 20-80 parts of rapeseed oil dreg, 20-70parts of cottonseed oil dreg, 30-60 parts of radix sophorae flavescentis, 20-60 parts of fructus toosendan, 10-40 parts of stems of sinomenium acutum, 20-50 parts of felon herb, 20-50 parts of herb of sweet wormwood, 20-60 parts of pepper, 5-30 parts of selenium soil, 5-30 parts of calcium soil, 10-50 parts of torpedo rattan and 10-40 parts of garlic. The soil improvement organic matter fertilizer capable of preventing, controlling and inhibiting soil plant diseases and insect pests does not use any chemical additive, and the soil improvement organic matter fertilizer has dual efficacies of fertilizer and the prevention and control of soil diseases and insect pests.

The invention discloses a really-through ceramic tile preparation method. Really-through ceramic tiles are prepared from, by weight, 35-40% of clay, 25-30% of kaolin and 30-40% of gravel stone, and total aluminum content of raw materials is 14.5-18% while total iron content of the same is less than or equal to 1%. The method includes following steps: A, grinding the raw materials and water until granularity is 40-45um, spray-drying to form granules, and aging until water content is 6.5-7%; B, drying at temperature of 200-250 DEG C for forming, and controlling water content of tile blanks to 0.5-1%; C, spraying glaze water to the surfaces of the tile blanks, putting into a roller kiln, drying at a temperature interval of 200-400 DEG C, and feeding into a temperature interval of 1210-1220 DEG C for firing until water absorptivity is 1-3%. By the method, the problem that existing really-through ceramic tiles are poor in compression resistance and anti-freezing performance, high in water absorptivity, unitary in pattern color and poor in texture.

The invention discloses a production technique of a simulated grey brick. The simulated grey brick is composed of an upper layer and a lower layer, wherein the lower layer is prepared by mixing and pressing cement, sand, black powder and water; and the upper layer is prepared by mixing and pressing cement, sand, rock powder and water. The production technique comprises the following steps: filling a mixture of cement, sand, black powder and water into a mold, and forming the lower layer of the simulated grey brick in a layer-by-layer wet pressing mode in batches; filling a mixture of cement, sand, rock powder and water into the lower layer, and forming the upper layer of the simulated grey brick in a layer-by-layer wet pressing mode in batches; demolding, and curing in a steam drying chamber for 24 hours; and finally, naturally curing in a place. The technique uses local materials, and utilizes the rock powder instead of the black powder, thereby better utilizing the waste materials, lowering the production cost, reducing the damage to the environment, and enhancing the competitive power of the product.

The invention discloses an alkaline secondary battery and a preparation method thereof, and belongs to the technical field of alkaline secondary batteries. The alkaline secondary battery comprises a diaphragm, an alkaline aqueous solution electrolyte, a positive electrode and a negative electrode, an active matter of the positive electrode is a Co-Ni-B compound, and an active matter of the negative electrode is a boride. The invention also comprises a preparation method of the alkaline secondary battery, which comprises the following steps: assembling the positive electrode, the diaphragm and the negative electrode in sequence, and adding the alkaline aqueous solution electrolyte to obtain the alkaline secondary battery, wherein the boride in the negative electrode is prepared by the following steps: dissolving hydroboron in an alkaline aqueous solution with the pH value of 10-14, and then dropwise adding the alkaline aqueous solution into a metal salt solution to obtain the boride. The alkaline secondary battery still has outstanding electrochemical performance at low temperature.

The invention relates to an inner support device of a basement precast slab mold and a construction method. The device is used for supporting between a first precast slab and a second precast slab oppositely arranged; the first precast slab and the second precast slab are vertically arranged on the edge of a basement cushion layer; and the inner support device of the basement precast slab mold comprises at least one first stand column vertically arranged in a basement and bonded on the first precast slab, at least one second stand column vertically arranged in the basement and bonded on the second precast slab, at least one first hinge piece fixed on the first stand column, at least one second hinge piece arranged corresponding to the first hinge piece and fixed on the second stand column, and at least one support pipe capable of adjusting the length, connected between the first hinge piece and the second hinge piece and supported between the first stand column and the second stand column. The device is convenient in disassembly and capable of recycling.

A corrosion-resistant electric power steel pipe pole belongs to the technical field of an electric power steel pipe pole. The electric power steel pipe pole includes a steel pipe pole body and a protective layer arranged at the external surface of a steel pipe pole wall. The protective layer comprises, by weight, 20-30 parts of a hydroxyethyl cellulose aqueous solution, 0.1-0.2 part of glycerin, 1-3 parts of propanediol, 3-5 parts of propylene glycol butyl ether, 60-70 parts of a pure silicone acrylic emulsion, 0.05-0.1 part of sodium trichlorophenolate, 0.1-0.2 part of magnesium hydroxide, 0.1-0.2 part of zinc dimethyldithiocarbamate, 0.1-0.2 part of castor bean carbonized powder, 0.3-0.5 part of hydroxypropyl starch ether, 0.2-0.4 part of ethylene bisstearamide, 0.05-0.1 part of aluminium-magnesium silicate, 0.05-0.1 part of corn pollen, and 0.05-0.1 part of cyclodextrin. The pH value is adjusted to 8-9. The electric power steel pipe pole is good in corrosion resistance and long in service life, and has advantages of permeability resistance, water resistance, small mass, good flexibility and high strength.

The invention discloses a simulated grey brick which is composed of an upper layer and a lower layer, wherein the lower layer is prepared by mixing and pressing cement, sand, black powder and water; and the upper layer is prepared by mixing and pressing cement, sand, rock powder and water. The simulated grey brick uses local materials, and utilizes the rock powder instead of the black powder, thereby better utilizing the waste materials, lowering the production cost, reducing the damage to the environment, and enhancing the competitive power of the product.

The invention discloses lightweight heat-insulation antifreezing cement. The lightweight heat-insulation antifreezing cement comprises the following raw materials in parts by weight: 120-127 parts oflimestone, 8-15 parts of gypsum, 7-14 parts of magnesium carbonate, 0.5-4 parts of sodium sulfate, 0.5-4 parts of potassium nitrate, 0.5-3 parts of slag, 1-5 parts of kieselguhr, 0.5-1.5 parts of talcum powder, 0.5-1.5 parts of mica powder, 11-15 parts of glass fibers, 3-8 parts of silica sand, 6-15 parts of acetylene black, 1-8 parts of dolomite, 30-40 parts of propylene carbonate and 10-17 partsof glycol dimethyl ether. The invention further discloses a preparation method of the lightweight heat-insulation antifreezing cement. The lightweight heat-insulation antifreezing cement has the advantages of lightweight, heat insulation and antifreezing performance.

The invention discloses a Spotted maigre meat ball. The Spotted maigre meat ball is produced from, by mass, 0.1-0.3% of carnosol, 1-3% of sucrose ester, 0.1-0.3% of chitin, 3-5% of glucomannan, 0.5-1% of betaine, 3-5% of peach gum powder, 1-3% of rice embryo oil, 1.5-2% of edible salt, 0.5-1% of a ginger juice, 1-3% of cooking wine, 0.5-1% of white sugar, 1-2% of soy proteins, 3-5% of egg white, 0.2-0.5% of transglutaminase, 5-10% of potato starch, 20-25% of water, and the balance of Spotted maigre meat. The Spotted maigre meat ball has the characteristics of good frost resistance, good color, good sensory quality, good texture properties and good flavor. The invention also discloses a processing technology of the Spotted maigre meat ball. The technology has the advantages of simple steps, high operability, suitableness for industrialized production, provision of an effective way for the rich resource of Spotted maigre in China, and facilitation of the increase of the economic values of the Spotted maigre.

The invention relates to a universal vinyl acetate-vinyl versatate-acrylate copolymer emulsion interface agent and a preparation method thereof. The universal vinyl acetate-vinyl versatate-acrylate copolymer emulsion interface agent is mainly prepared from the following components in parts by weight: 10-20 parts of polyvinyl alcohol with a mass percent concentration of 10-15%, 20-30 parts of a vinyl acetate-vinyl versatate-acrylate copolymer emulsion and 55 to 65 parts of water. According to the invention, the defects that a conventional polyvinyl acetate emulsion interface agent has insufficient permeability and poor capacity in infiltration into a base material surface of a wall and is poor in compatibility with cement and low in adhesive force to a wall surface and that the bonding strength of mortar or putty and the surface of a wall body is insufficient are overcome; vinyl versatate, butyl acrylate, hydroxypropyl acrylate and vinyl acetate are added and subjected to copolymerization so as to prepare the vinyl acetate-vinyl versatate-acrylate copolymer emulsion which is used for preparing the universal vinyl acetate-vinyl versatate-acrylate copolymer emulsion interface agent; and the universal vinyl acetate-vinyl versatate-acrylate copolymer emulsion interface agent has characteristics of excellent tensile bonding strength, excellent water resistance, excellent freezing resistance after construction, excellent thermal storage stability, excellent environmental protection property and the like.

The invention relates to heat insulation and heat preservation exterior wall paint and a preparing method. The heat insulation and heat preservation exterior wall paint is prepared from, by weight, 28 parts of water, 1.1 parts of dispersant, 0.51 part of humectant, 2.3 parts of ethylene glycol, 1.2 parts of coalescing agents, 1.4 parts of nanometer Al2O3, 19 parts of rutile titanium dioxide, 20.3 parts of talcum powder, 15 parts of modifier, 12.1 parts of light calcium carbonate, 0.6 part of defoamer and 3.8 parts of thickener. The heat insulation and heat preservation exterior wall paint can be used for painting exterior walls of buildings such as residences, hotels, schools, institutions, dormitories and apartments, has the advantages of being simple for construction, waterproof, free of pollution, toxins and smells, good in heat insulation effect and the like, and has the advantages of being high in adhesive force, good in heat preservation and heat insulation, high in stain resistance, resistant to scrubbing, waterproof, high in corrosion resistance and whether resistance, long in service life and the like.

The invention discloses a silanol-based bicomponent waterborne polyurethane wood adhesive and a preparation method thereof. The adhesive mainly comprises a main agent and a cross-linking agent, wherein the main agent is mainly prepared from the following components in parts by weight: 9 to 15 parts of polyving akohol, 6 to 12 pars of pluronic polyols, 15 to 25 parts of silica sol, 0.2 to 0.4 part of propylene glycol, 0.03 to 0.06 part of polyacrylamide, 50 to 65 parts of water, 0.05 to 0.2 part of a surfactant, 0 to 0.15 part of a defoamer, 0 to 0.2 part of a preservative, and 8 to 15 parts of a filler; the pluronic polyol is formed by mixing soybean oil polyol, polyether polyol, and dibutyl phthalate or dioctyl phthalate according to the weight ratio of (6-15):(1-4):(30-60); the cross-linking agent is prepared from the following components in parts by weight: 5 to 8 parts of vegetable oil, 20 to 30 parts of polyol benzoate, and 65 to 75 parts of isocyanate. The isocyanate is high in adhesive strength, good in water weather resistance and weather resistance and environmentally friendly.

The invention discloses a mortar exterior wall coating and a preparation method, wherein the mortar exterior wall coating comprises components with weight proportion: water 18 parts, hydroxyethyl cellulose 0.9 part, calcium carbonate 6 parts, acrylic polymer latex paints 39 parts, ethylene glycol 1.1 parts, defoamers 0.6 part, ammonia water 0.4 part, preservatives 0.07 part, dispersants 0.7 part, 80 meshes silica sands 88 parts, titanium dioxide 6 parts, talcum powder 8 parts and heavy calcium carbonate 11 parts. The mortar exterior wall coating and the preparation method can be used to press and wipe building exterior walls of stadiums, cultural palaces, residences, grogshops, schools and hospitals and the like, has the advantages of excellent environmental protective performance, simple construction, simple process, no pollution, no toxicity and no flavor and the like, and has the characteristics of strong adhesive force, frost resistance, strong corrosion resistance, gloss retention, color retention, strong weatherability, mold prevention and algae resistance and the like.

The invention discloses a manufacturing method of a glazed ceramic exterior wall tile, and relates to the technical field of building material production. The glazed ceramic exterior wall tile is prepared from the following raw materials by weight percent: 25-30% of clay, 25-35% of Tongfu soil, 20-22% of gravel stone and 20-25% of potassium sand; the total aluminum content of the glazed ceramic exterior wall tile is 14.5-18%, and the total iron content of the glazed ceramic exterior wall tile is less than or equal to 2%. The manufacturing method comprises the steps of adding water into the raw materials, wherein the amount of the water is 10% of the total amount of the raw materials, carrying out ball-milling, then deironing and sieving, carrying out spray drying to obtain granules, and staling for 48h or more; pressing a green body under the pressure of 180-230MPa, and drying to obtain a green tile with the water content of 0.5-1%; spraying glaze water onto the surface of the green tile, then putting the green tile into a roller kiln, drying at a temperature region of 200-400 DEG C, and then sending to a temperature region of 1210-1220 DEG C for sintering until the water absorption of a tile body is 1-3%, so as to obtain the glazed ceramic exterior wall tile. The manufacturing method provided by the invention solves the problems that a glazed ceramic exterior wall tile manufactured by the existing production technology is high in water absorption, and is not wear-resistant, pressure-resistant and cold-resistant.