70results about How to "Uniform bubbles" patented technology

The invention discloses a straw cement-based microporous building material and a preparation method thereof. The building material comprises the following components in parts by weight proportioning: 2-5 parts of straw flour, 40-60 parts of cement, 15-25 parts of coal ash, 10-25 parts of sand, 2-15 parts of coagulator material, polymers and water, wherein the polymer-solid ratio is 0.2-0.5% and water-solid ratio is 35-45%. The preparation method comprises the following steps: 1), stirring and uniformly mixing the cement, the coal ash, the sand, the coagulator material and 90-100% of water; 2), adding the straw flour while stirring and uniformly dispersing in the above mixed material; 3), continuously stirring the mixture and gradually adding polymer solution with a solid content of 5% or 10% to form the mixed material comprising uniform small air bubbles; 4), pouring the mixed material into a mould and covering and curing the material; 5), de-molding and putting the material in the atmospheric environment for natural curing to obtain a straw cement-based microporous building material product. The invention can play a big role in the building field and has a broad application prospect.

The invention discloses organic foaming silicone rubber. The organic foaming silicone rubber is prepared by mixing, by weight, 100 parts of hydroxy-terminated hydrogen-containing polysiloxane, 5-50 parts of vinyl silicone oil, 5-40 parts of white carbon black, 0.2-2 parts of a reaction inhibitor and 0.1-1 part of a platinum catalyst. The foaming ratio can be controlled flexibly, reaction cross-linking points are increased, stability is good, foaming is uniform, and a foaming agent does not need to be used.

The invention discloses a fireproof cement foam insulation board, comprising the following components in parts by weight: 38-45 parts of sulphate aluminium cement, 28-33 parts of fly ash, 0.28-0.35 part of wooden anti-crack fiber, 2.9-3.5 parts of waterproof agent, 0.55-0.75 parts of calcium stearate, 0.18-0.25 parts of polycarboxylate superplasticizer, 2.0-3.0 parts of GM-A foaming agent, and 25-30 parts of water. The fireproof cement foam insulation board disclosed by the invention is simple in manufacturing technique, good in insulation and waterproof effects of products, and inflammable.

The invention discloses a high-elasticity wear-resistant polyurethane foaming shoe material and a preparation method thereof. The shoe material is prepared from the following components in parts by weight: 50-70 parts of thermoplastic polyurethane elastomer, 10-20 parts of styrene-butadiene-styrene block copolymer, 10-15 parts of butadiene styrene rubber, 10-20 parts of ethylene-octene copolymer,1-5 parts of a foaming agent, 0.5-1 part of zinc oxide, 2-4 parts of a cross-linking agent, 1-2 parts of an assistant cross-linking agent, 5-8 parts of an active agent and 10-20 parts of filler. The problem that an existing shoe material does not have elasticity and is poor in wear-resisting comprehensiveness and portability can be solved.

The invention provides an efficient concrete water reducer and a specific preparation method thereof. The preparation method comprises the following specific steps of grafting and modifying through sodium lignin sulfonate and maleic anhydride, then copolymerizing with crylic acid and polyoxyethylene monomethyl ether acrylate so as to obtain an intramolecularly compounded efficient concrete water reducer product with an anion structure and a nonionic structure. The concrete water reducer has prominent advantages that the amount of admixture is less and is 0.2-0.5% of the weight of binding material, the decrement rate is high and is more than or equal to 35%, has good enhancing effect on concrete, has large gas generating amount and uniform bubbles, does not react with aggregate due to low alkalinity, does not erode the passive film on the surface of a rebar due to low content of chlorine. The raw material of the concrete water reducer adopts waste residue of papermaking, so that the concrete water reducer has low cost and good degradability, and no harmful contaminants are generated and left in the whole production process.

The invention discloses heat-resisting high-toughness polystyrene resin foaming plastic. The heat-resisting high-toughness polystyrene resin foaming plastic is prepared from, by weight, 40-55 parts of polystyrene resin, 2-3.5 parts of potassium titanate fibers, 11-16 parts of coconut fiber, 2-6 parts of polytetrafluoroethylene, 1-1.5 parts of 3,5-tert-butyl-4-hydroxy phenyl, 15-20 parts of talcum powder, 6-11 parts of silicon carbide powder, 4-13 parts of kaolin, 1.2-1.8 parts of bis(2-ethylhexyl) phthalate, 1.1-1.6 parts of zinc stearate, 1-1.5 parts of butyl p-hydroxybenzoate and 2-5 parts of foaming agents. The heat-resisting high-toughness polystyrene resin foaming plastic has the good heat-insulating property and the good strength and toughness, and the impact-resisting property of the plastic is improved.

The invention provides a preparation method of an inorganic foam building thermal insulation material. The preparation method comprises the following steps: dispersing polypropylene fibers, pulverized fuel ash, sulphate aluminosilicate cement, calcium stearate, perlite, manganese dioxide and triethanolamine to water, and stirring, thus obtaining unfoamed slurry; and adding hydrogen peroxide with 30% of mass concentration to the unfoamed slurry, then molding the obtained pre-foamed slurry by casting, maintaining, demolding, and cutting, thus obtaining the inorganic foam building thermal insulation material. The preparation method has the advantages that the foaming process is controlled by controlling the mixing amount of the manganese dioxide catalyst so as to ensure the strength of the inorganic foam building thermal insulation material, simultaneously reduces the heat conductivity of the inorganic foam building thermal insulation material and enhances the heat preservation effect of the inorganic foam building thermal insulation material, the perlite is added so as to serve as an anti-collapse agent so as to reduce the rejection rate, and meanwhile, the triethanolamine is added so as to improve the property of the inorganic foam thermal insulation material. Compared with materials of the same kind, the inorganic foam building thermal insulation material has the characteristics of high strength, low heat conductivity, small volume weight, burning resistance, flame resistance and the like.

The invention belongs to the plastic field and discloses modified polyurethane expanded plastic and a preparation method thereof. The modified polyurethane expanded plastic is prepared from 120 to 150 parts by weight of isocyanate, 100 to 120 parts by weight of polyester polyol, 20 to 30 parts by weight of a glass fiber cloth, 0.6 to 1 part by weight of a silane coupling agent, 0.4 to 0.8 parts by weight of a titanate coupling agent, 0.6 to 1 part by weight of monoglyceride, 3 to 5 parts by weight of triethanolamine, 10 to 20 parts by weight of carbon nanotubes, 20 to 30 parts by weight of low-density polyethylene, 20 to 30 parts by weight of aramid pulp, 10 to 20 parts by weight of ceramic fibers, 1 to 2 parts by weight of azodicarbonamide, 0.3 to 0.5 parts by weight of a foam stabilizer, 1 to 2 parts by weight of sodium dodecyl sulfate and 0.6 to 1 part by weight of an antioxidant. The modified polyurethane expanded plastic has the advantages of uniform bubbles, light weight, good toughness, wear resistance, anisotropy and excellent thermal insulation performances.

The invention discloses a tea set ultrasonic cleaning device comprising a cleaning pool. A faucet is connected to the side portion of the cleaning pool, a filter is arranged at a water outlet of the faucet, and a cleaning basket is arranged in the cleaning pool. A rubber pad is arranged between the cleaning basket and the pool bottom of the cleaning pool, a water level sensor is arranged on the side face of the cleaning pool, and an ultrasonic energy converter is placed on the bottom face of the cleaning pool. A water draining pipe is connected to the middle of the bottom face of the cleaningpool, the side face, provided with the faucet, of the cleaning pool is connected with a bottle, and the lower portion of the bottle is connected with a liquid pumping pump through a water pipe. The liquid pumping pump is connected with a second electromagnetic valve through a water pipe, the second electromagnetic valve is connected with a diluter, the diluter is connected with the tail of the faucet through a water pipe, and the rear portion of the diluter is connected with a tap water feeding pipe through a first electromagnetic valve. According to the tea set ultrasonic cleaning device, thecleaning speed is high, the effect is good, the cleanliness is high, damage to the surface of a cleaned object is avoided, the inner wall of the cleaning pool is coated with an anti-sticking coating,and stains are not prone to being stuck, so that the cleaning effect of the device is improved, and the service life of the device is prolonged.

The invention discloses an external drying assisting agent matched with a polyurethane foam caulking agent and a preparing method and application thereof.The external drying assisting agent comprises, by mass, 3%-6% of preservative, 10%-20% of catalyst and the balance water; the external drying assisting agent is an aerosol, and further comprises casting gas, and the weight ratio of the drying assisting agent to the casting gas is 25:3.The preparing method includes the steps that A, the preservative, the catalyst and the water are weighed in proportion, and are fully dissolved to be clear; B, the drying assisting agent is poured into an aerosol can, a valve is pressed, and the casting gas is inflated.The external drying assisting agent is used in cooperation with the polyurethane foam caulking agent, and is not limited by environment conditions, polyurethane foam can be fully dried within 15 minutes, correction can be carried out while gluing, and efficiency is greatly improved; under catalyzing of the external drying assisting agent, the produced polyurethane foam is even, stable, free of treaded foam and cavities and good in sealing effect.

The invention provides a fermented rice cake, and relates to the technical field of food processing and making. The fermented rice cake is characterized by comprising the following materials in partsby weight: 900-1000 parts of rice flour, 220-250 parts of glutinous rice flour, 3-4 parts of aluminum-free baking powder, 18-20 parts of yeast powder, 200-225 parts of white granulated sugar, 3.8-4 parts of disodium dihydrogen pyrophosphate, 3.8-4 parts of citric acid, 0.35-0.4 part of calcium carbonate powder, 2.5-3 parts of sodium bicarbonate, 700-800 parts of drinking water and 15-20 parts of arepartitioning agent. The fermented rice cake is nutrient-rich, tastes soft, fine and smooth and is flavorful.

The invention relates to a concrete foaming agent, which belongs to the technical field of a building material. The concrete foaming agent comprises the following raw materials in parts by weight: 7-15 parts of methyl cellulose, 3-7 parts of limestone powder, 3-8 parts of slag, 6-9 parts of modified diatomite, 7-12 parts of polyacrylic resin, 3-6 parts of polyethylene glycol, 4-8 parts of a sulphoaluminate clinker, 3-7 parts of anhydrite, 2-7 parts of mica powder, 6-10 parts of hydroxypropyl methyl cellulose, 4-6 parts of borax, 6-10 parts of sodium dodecyl sulfate, and 7-13 parts of sodium dodecyl benzene sulfonate. The concrete foaming agent has the advantages of easy foaming, good stability, uniform foams, and high reliability; a production method is simple, material acquisition is convenient, cost is low, so that the method has wide market prospect.

The invention discloses a building fence material prepared from a steel core composite PVC material. Weight part, the composition comprises the following components, the material comprises the following components in parts by weight: 70-85 parts of PVC resin particles, 5-15 parts of polyvinyl chloride, 5-15 parts of phenolic resin particles, 0.1-0.5 part of p-phenylenediamine, 0.1-0.5 part of barium-zinc composite salt, 1-5 parts of a foaming agent, 0.5-3 parts of a filling agent, 0.1-0.5 part of titanium dioxide and 0.1-0.5 part of an antistatic agent. The flame retardance, wind pressure resistance, heat resistance, freezing resistance and the like of the fence material are enhanced, and weathering and oxidation are avoided.

The invention discloses a process for producing foam ceramic heat-insulation boards. The process includes preparing raw materials, mixing and grinding prepared fusible clay, kalialbite and boron nitride to obtain powder, stirring the powder, then adding foaming agents and organic solvents into the powder to obtain uniformly mixed primary slurry and heating the primary slurry to allow the primary slurry to be in molten states; pouring materials into molds and quickly cooling the materials until the temperatures of the materials reach the normal temperature; cooling the materials in the molds, then releasing the materials from the molds to obtain heat-insulation board blanks, polishing the surfaces of heat-insulation boards by three times and separately smearing ground glaze, basic glaze andcolored glaze on the heat-insulation boards whenever the heat-insulation boards are polished. The process has the advantages that good heat-insulation effects can be realized, the deformation coefficients of products can be lowered, and the products are extremely low in deformation rate even in high-temperature environments; the weights of materials can be reduced, accordingly, the materials arelight and are good in toughness, and the service lives of the materials can be greatly prolonged.

The invention provides a poria cocos effervescent tablet prepared from the following raw materials: carboxymethyl pachyman, inulin, vitamin C, edible acid, edible base, diluent, lubricant, sweetener,essence and fruit powder. The edible acid is a mixture of anhydrous citric acid and tartaric acid; the edible base is sodium bicarbonate, the diluent is selected from a mixture of anhydrous lactose and sucrose, the sweetener is a mixture of acesulfame and aspartame, the lubricant is a mixture of polyethylene glycol 6000 and magnesium stearate. The preparation method is simple, dry granulation is adopted, no binder is added in a formula which is simple, and the raw materials are wide in source and low in cost. The obtained effervescent tablet has good taste and uniform bubbles and is not easy to agglomerate. The effervescent tablet has the effects of regulating blood sugar, protecting the liver, improving immunity, protecting the intestinal health and improving the immunity. The tablet is healthy food and has broad application prospects.

The invention relates to a titanium energy far-infrared latex product and a preparation method thereof. The product body is made of natural latex collagen solution, and pores are evenly distributed inside the product body; titanium powder and far-infrared ceramic powder are uniformly mixed in the product body; titanium powder is added And far-infrared ceramic powder, titanium powder is pure titanium powder, pure titanium can be activated by the temperature in contact with the skin of the human body, easy to ionize, can quickly adjust the disordered bioelectricity in the human body, and accelerate the body's self-recovery function; far-infrared Ceramic powder far-infrared powder emits far-infrared rays and has a warming effect. When the far-infrared rays are absorbed by human tissues, it will generate a soothing and beneficial heat that can penetrate into human tissues for thermal treatment. The principle of treatment is to increase body temperature, relax blood vessels, increase the body's metabolic rate, and enhance the elasticity of ligaments, joint capsules, and muscles. Long-term use can also greatly improve the body's self-healing ability.

The invention relates to a submersible aerator impeller, which comprises a wind impeller and a water impeller, wherein a wind impeller outlet is welded with an arc-shaped baffle of the wind impeller outlet, and oblique conical air vents are evenly arranged on the baffle; the oblique hole diameter of the air vents close to the inner side of the wind impeller outlet is greater than that of the air vents close to the outer side of the wind impeller outlet, and the oblique direction of the air vents is the same as that of the middle streamline of a blade of the wind impeller. Air flows to a buffer chamber from the air vents in a jet way, and is cut into micro air bubbles under the action of the water impeller so as to allow the degree of turbulence of an air and water mixture in the buffer chamber to be more intense; and after air and water are fully mixed, the mixture is flushed into sewage from a diversion outlet at a high speed, and the generated air bubbles are finer and evener. The aeration efficiency is improved. When the submerging depth of a submersible aerator is less than 4m, the number of blades of the wind impeller and the water impeller are respectively two, and when the submerging depth of the submersible aerator is more than 4m, the number of blades of the wind impeller and the water impeller are respectively three.

The invention belongs to the field of plastics, and discloses antibacterial polycarbonate foamed plastics and a preparation method of the antibacterial polycarbonate foamed plastics. The prepared antibacterial polycarbonate foamed plastics comprise the following raw materials which are taken as components in parts by weight: 100 to 120 parts of polycarbonate, 10 to 20 parts of glass fiber cloth, 4 to 6 parts of mulberry bark fibers, 8 to 10 parts of aramid pulp, 6 to 10 parts of expanded perlite, 2 to 3 parts of calcium carbonate, 2 to 4 parts of azodicarbonamide, 1 to 2 parts of triethanolamine, 1 to 2 parts of polyether modified silicone oil, 1 to 2 parts of maleic anhydride, 10 to 20 parts of pure acrylic emulsions, 1 to 3 parts of azone, 6 to 10 parts of tea meal, 10 to 20 parts of dried luffa stems, 4 to 8 parts of lanthanum loaded zinc oxide, 4 to 6 parts of cerium loaded titanium dioxide, and 0.6 to 0.8 part of sodium ligninsulfonate. The antibacterial polycarbonate foamed plastics disclosed by the invention are microcellular foaming plastics, and uniform in bubbles, low in density, light in weight, and further good in antibacterial properties and mechanical properties.