114results about How to "Powder free" patented technology

The invention relates to an infrared radiation enhanced coating and a preparation method thereof. The downconversion frequency shift infrared radiation enhanced coating is characterized by consisting of the following components in percentage by mass: 20 to 50 percent of radiation synergistic enhancer, 1 to 7 percent of downconversion frequency shift additive, 15 to 45 percent of high-temperature resistant base stock, 32 to 50 percent of high-temperature binder, 1 to 4 percent of flexibilizer and 1 to 4 percent of coating auxiliary agent, and the sum of the mass percentage of the components is 100 percent. The coating not only has high emissivity and good thermal shock resistance, but also can convert visible light into infrared radiation; and the thermal conversion efficiency of the coating is effectively improved.

The invention discloses a preparation process for an anticorrosion saggar for calcination of a lithium battery cathode material. The preparation process includes the steps of primary aggregate preparation, secondary aggregate preparation, matrix material preparation and saggar preparation. The steps of primary aggregate preparation and secondary aggregate preparation sequentially comprise the procedures of powder preparation, ball milling slurry preparation, slurry preparation, slurry storage, blank preparation, blank drying and blank calcination. The step of matrix material preparation sequentially includes the procedures of matrix material burdening, matrix material ball milling and matrix material screening. The step of saggar preparation sequentially includes the procedures of saggar material preparation, bundling pressing, maintenance drying and high-temperature firing. Primary aggregates, secondary aggregates and a matrix material are mixed according to the process ratio to form a saggar material. The anticorrosion saggar has the alkali-resistant and anti-corrosion functions, and pure magnesium hydrate, aluminum oxide and silicon dioxide are calcinated to obtain high-purity cordierite material aggregates; magnesium-aluminum-rich spinel powder is added for preparing the matrix material, and the saggar is small in heat expansion coefficient, high in heat impact resistance and long in service life.

The invention belongs to the technical field of steelmaking and refining, and discloses a ladle refining slag modifier, a preparation method and a slag modifying method. The slag modifier comprises the following chemical components in percentage by mass: 30 to 60 percent of CaO, 30 to 60 percent of Al2O3, 2 to 10 percent of MgO2, 2 to 10 percent of B2O3, and less than 8 percent of impurities. The slag modifying method using the slag modifier comprises that: the slag modifier is hoisted to the front of a refining furnace after a steelmaking furnace discharges steels, and then is directly fed into ladles, or the slag modifier can also be fed into the furnace along with other slags at a refining station; the components of modifying slag are determined according to the ladle residue amount and components, desulfuration amount and steel deoxidation product amount; and the modifying slag for controlling the ladle slag comprises the following components according to the adding amount: 48 to 54 percent of CaO, 26 to 32 percent of Al2O3, 6 to 8 percent of MgO, 2 to 4 percent of B2O3, and 0 to 8 percent of SiO2, wherein the modifying slag is better if the content of the SiO2 is lower. The slag modifier has the capabilities of quickly manufacturing the slag, improving desulfuration and deoxidation of the refining slag and accommodating and absorbing deoxidation products, and is simple to prepare and convenient to store, transport and use.

The invention discloses a preparation method of a composite pellet, which includes the working procedures of preparing materials, measuring, mulling, pressing and drying. Compared with the prior art, the preparation method is simple to be operated and has the advantages that: (1) the composite conception is broad; the pellet not only has a manganese material, but also has a reducer needed by smelting and takes coal for replacing tar and reducing the production cost; the material containing manganese not only includes the powder of a manganese ore (molybdenum concentrate, imported fine ore, slag rich in manganese, sintering fine ore and baking fine ore), but also includes manganese soot and improves the operating factor of resources; (2) the materials adopted by the composite pellet are broad in granularity; the granularity of the manganese ore (molybdenum concentrate, slag rich in manganese, sintering fine ore and baking fine ore) is between 0 and -3mm, the granularity of the coal is between 0 and -5mm, and the production technique is simplified; (3) drying is carried out under lower temperature, thus saving energy resources; and (4) a dry power sintering agent is used and the operation is simple and convenient. The composite pellet is applied to smelting manganese series iron alloys by electric furnaces and the smelting effect of the electric furnaces is good.

The invention discloses a building heat preservation material. The building heat preservation material is mainly prepared from, by weight, 15-30 parts of bentonite, 15-30 parts of coal ash, 10-20 parts of mica, 2-5 parts of polyacrylamide, 12-27 parts of kaolin, 11-25 parts of expanded perlite, 7-15 parts of phenolic resin, 0.5-2 parts of calcium stearate, 1-3 parts of foaming agent, 6-13 parts of soapstone, 35-55 parts of modified environment-friendly adhesive, 3-6 parts of starch ether, 6-13 parts of centrifugal glass fibers, 2-8 parts of hydroxymethyl propyl cellulose, 15-25 parts of cement, 8-17 parts of ceramsite and 11-23 parts of diatomite. The building heat preservation material is low in weight, can replace a traditional building heat preservation material, and can be used for coating protection of building side walls. The heat conductivity coefficient of the material is tested based on the GB/T10297-1998 standard, the heat conductivity coefficient is only 0.038-0.040, the heat preservation performance is extremely excellent, high acid-base corrosion resistance is achieved, no abnormities exist after the experimental test is carried out for 150 h, superhigh weather fastness is achieved, and no discoloring or pulverization or bubbles or stripping or cracks are generated 420 h later.

The invention discloses a preparation method for a waterborne polyurethane binder and a lithium-ion battery anode slurry containing the waterborne polyurethane binder, and relates to the technical field of lithium ions. The preparation method for the waterborne polyurethane binder comprises the following steps: subjecting macromolecular dihydric alcohol to dehydration treatment, mixing dehydratedmacromolecular dihydric alcohol with diisocyanate, carrying out a reaction under heating, then carrying out cooling, adding a side-chain type nonionic hydrophilic monomer, carrying out a reaction under heating, then carrying out cooling, adding a micromolecular chain extender, a catalyst and a solvent, carrying out a reaction under heating, and carrying out cooling and discharging so as to obtaina prepolymer emulsion; and adding water into the prepolymer emulsion, carrying out emulsification under high-speed dispersion, then adding a diamine chain extender, and carrying out pressure-reduced distillation to remove the solvent so as to obtain a waterborne polyurethane emulsion with a side-chain structure. The polyurethane binder prepared by using the preparation method provided by the invention has good flexibility and excellent bonding performance, and is used in an anode slurry; and a button type lithium-ion battery assembled by using the anode slurry has large first discharge capacity and good cycle performance.

The invention belongs to the field of building, and discloses inorganic composite flexible decorative coiled materials. The thickness of the inorganic composite flexible decorative coiled materials is 2mm to 10mm, the inorganic composite flexible decorative coiled materials comprise an inorganic coiled material mortar layer, a decorative mortar layer is combined on the inorganic coiled material mortar layer, and reinforcing materials formed by alkali-resisting glass fiber gridding cloth or glass fiber roofing felts are arranged in the inorganic coiled material mortar layer or on the boundary of the inorganic coiled material mortar layer and the decorative mortar layer. The inorganic coiled material mortar layer is mainly formed by the following materials, by weight: 100 parts of portland cement with intensity no less than 42.5, 1.2 to 2.0 parts of cellulose, 350 to 450 parts of 50 to 100-mesh silica sand, 180 to 220 parts of coarse whiting, 1.8 to 2.2 parts of water reducing agent and 120 to 160 parts of 707 emulsion or cement-based elastic emulsion. The decorative mortar layer is mainly formed by the following materials, by weight: 150 parts of synthetic resin emulsion for maishi paint, 4 to 6 parts of coalescing agent, 8 to 12 parts of ethylene glycol, 1 to 2 parts of cellulose and 700 to 800 parts of natural color sand. The inorganic composite flexible decorative coiled materials are good in toughness, small in thickness, light in weight, good in application property, not prone to peeling off and good in weather fastness, and different decorative styles can be formed easily.

The invention discloses an efficient-spraying type dry-mixing and wet-mixing mortar plasticizer composition as well as a preparation method and an application method thereof. The composition comprises the following components in percentage by weight (100% in total): 1%-5% of a plasticizer, 15%-30% of a thickening agent, 30%-50% of a retarder, 10%-25% of an anti-cracking agent, 1-5% of a water-retaining agent, 5%-10% of an enhancer, and 1%-5% of a binding agent. By utilizing the composition, the workability, water-retaining property, adhesive property and cracking resistance of coating mortar can be remarkably improved, the cracking, hollowing and falling of the mortar are avoided, and various performance indexes such as the strength and permeability resistance of the mortar can be improved; and furthermore, cement can be saved, and the disadvantages of easiness in ash blasting, high shrinkage, low strength and the like of the cement mixed mortar are overcome.

The invention relates to nanometer fluorocarbon exterior wall heat insulation paint, which is prepared from ingredients according to the following weight proportion: the ratio of acrylics to fluorocarbon resin to nanometer SiO2 to titanium pigment to silicon acrylate latex to calcium carbonate to foam suppressor is 100-220 to 100-200 to 20-50 to 10-18 to 80-150 to 20-50 to 10-20. The invention makes the structure and the chemical composition part of transparent paint regulated to the most scientific and most reasonable state, and adds a few nanometer grade materials, so that the exterior wall paint is non-toxic and odorless, and accords with the requirement of environmental protection; a paint film resists water, has quite strong performances of acid and alkali resistance and mildew resistance; and the paint film can cover fine cracks. The nanometer fluorocarbon exterior wall heat insulation paint has the advantages of strong adhesive force, good heat insulation performance and low cost.

The invention discloses a high-temperature-resistance infrared-radiation-attenuation-resistance energy-saving coating. The coating is prepared from, by weight, 10-20 parts of LaAlO3 spherical powder doped with calcium and chromium ions, 10-20 parts of metallic oxide infrared radiation micro powder, 5-10 parts of titanium carbide-cordierite infrared radiation micro powder, 15-25 parts of filler, 0.1-0.2 part of a retardant, 30-50 parts of an adhesive, 10-20 parts of a solvent, 0.15-0.25 part of a dispersion agent, 0.1-0.35 part of a coupling agent and 0.05-0.15 part of a defoaming agent. The invention further discloses a preparation method of the coating. The coating comprises the following steps of step one, raw material preparation; step two, high temperature treatment; step three, high shearing dispersion; step four, coating preparation. The infrared radiation rate of the full-wave band of the provided energy-saving coating is 0.94-0.98, infrared radiation attenuation can be effectively prevented, after long-time using of the coating, the phenomena of cracking and coating shedding cannot occur, and the thermal shock resistance is high.

The invention discloses a far infrared interior wall painting, which comprises the following raw materials in part by weight: dispersant 15-25, thickener 8-12, defoamer 1.5-2.5, titanium oxide 100-150, nano silicon dioxide 1-3, neutralizer 1.5-2.5, zinc oxide 1-3, soybean cellulose 1.5-2.5, kaolin 40-60, polyacrylic emulsion 150-250, film-forming agent 8-12, titanium dioxide 2-6, silicon carbide 1-2, calcium carbonate 1-3, glycol 10-30, tourmaline 160-180, triple superphosphate 200-340 and water 100-140. The preparation method of the far infrared interior wall painting comprises the following steps: 1, putting the raw materials in a reaction kettle and stirring the raw materials till the raw materials are fully and uniformly mixed for later use; 2, crushing the tourmaline by nanometer for later use; and 3, putting the mixed raw materials obtained by the step 1 into the nanometer tourmaline raw material, adding water into the resulting mixture and stirring the resulting mixture by using a stirring machine to obtain the painting of the invention. The painting of the invention has a good health-care effect on human bodies and a bacteriostatic action, avoids generating mildews when applied on an interior wall and has good wall adhesive attraction and high stability.

A high-temperature resistant toxicity-reducing release agent and its preparation method relate to a release agent and its preparation method. According to the invention, the problem that preparation and application processes of a present release agent pollute the environment, are harmful to the health and require high preparation cost and complex preparation method and a present release agent has poor demoulding effects is solved. The high-temperature resistant toxicity-reducing release agent is prepared from A, B, C and D, wherein A is silicone rubber; B is tetraethyl orthosilicate; C is any one of dibutyltindilaurate and dibutyltin dilaurate or a mixture of the above two compounds according to any ratio; D is ethyl acetate; and the mass ratio of A to B to C to D is 100:1-50:1-50:1-50. The method comprises the following steps: 1, mixing A, B, C and D; and 2, preparing the high-temperature resistant toxicity-reducing release agent. The method is benefit for environmental protection, minimizes harm to human body, and requires low cost and simple technology. The prepared release agent has high temperature resistance and good demoulding effect. The release agent provided by the invention can be used in the fields of national defense, aerospace, chemical industry and civilian use.

The invention discloses a liquid aqueous multi-color granite coating and a preparation method thereof, for solving the problems that a conventional aqueous granite coating is severely thickened after a multi-color coating is stored, and is large in viscosity and has easily damaged constructed multi-color particles. The liquid aqueous multi-color granite coating is prepared from the following raw materials in parts by weight: 23.0-27.0 parts of silicone acrylic emulsion, 1.0-2.0 parts of propylene glycol, 1.0-2.0 parts of filming agent, 0.1-0.3 part of defoaming agent, 8.0-14.8 parts of water, 0.1-0.3 part of preservative, 0.1-0.3 part of thickening agent and 58.0-62.0 parts of multi-color particles. According to the coating, multi-color paint protecting glue is used together with special resins, elastic emulsion and silicone acrylic emulsion special for multi-color paint, the reaction gel degrees of different components are controlled to achieve relative balance of a system, the coating is free of color bleeding phenomenon after being stored for a long time and is clear and definite in color particle after being sprayed, the later thickening phenomenon of the stored liquid aqueous multi-color granite coating is effectively solved, and the storage and construction stability is improved.

The invention discloses a hot-melt splicing adhesive tape. The hot-melt splicing adhesive tape comprises a textured paper base material, a release layer and a hot melt adhesive layer, wherein the hot melt adhesive layer is prepared from the following raw materials in parts by weight: polyacrylate pressure-sensitive adhesive, diisocyanate, tackifying resin, a plasticizer and other auxiliary agents. The hot-melt splicing adhesive tape provided by the invention is very low in initial bonding property; when being heated for use, the hot-melt splicing adhesive tape can firmly stick metal pins, and the adhesive strength is more than or equal to 75N/in; the hot-melt splicing adhesive tape is easy in sticking and good in hydrolysis resistance. The hot-melt splicing adhesive tape gives full play to the oxidation resistance and anti-aging property of acrylate, and also can reach the very excellent high temperature resistance, high humidity resistance and anti-aging property even if an antioxidant is not added into the hot-melt splicing adhesive tap. The tensile strength of the hot-melt splicing adhesive tap is more than or equal to 100N/in, and the elongation at break of the hot-melt splicing adhesive tap is more than or equal to 10%. The polyacrylate pressure-sensitive adhesive used by the hot-melt splicing adhesive tape is synthesized in a way of overall copolymerization, so that the hot-melt splicing adhesive tape is simple in synthetic process and stable in quality.

The invention relates to a water-based acrylic red lead rust-proof paint and preparation method thereof, and belongs to the technical field of coatings. The water-based acrylic red lead rust-proof paint comprises the following components in parts by weight: 20-30 parts of water-based acrylic resin, 2-5 parts of water-based epoxy resin, 20-30 parts of red lead powder, 3-6 parts of zinc phosphate, 5-8 parts of super zinc phosphate, 5-8 parts of glass flake, 5-8 parts of aluminum hydroxide, 3-7 parts of sericite, 0.2-0.3 part of a water-based dispersant, 0.2-0.3 part of a defoaming agent, 0.5-1 part of hydrated magnesium silicate, 0.2-0.4 part of a sterilizing agent, 0.5-1 part of a thickener, 1-2 parts of neutralizer, 0.5-1 part of an anti-flash rust agent, 2-4 parts of a coalescing agent, 2-4 parts of cosolvent, 0.1-0.2 part of a wetting agent and 5.0-7.2 parts of deionized water. The product is high in drying speed and strong in antiseptic capacity; the salty spray resistance can be over 500h; after carrying out artificial aging resisting test for 500h, no atomization and falling are caused to the paint film.