13371 results about "Solid content" patented technology

The invention provides a ceramic slurry preparation and 3D (three dimensional) printing light curing molding method. 25-85vol% of ceramic powder and 15-75vol% of an optical resin premix solution are mainly involved, and the method includes: A), preparation of the optical resin premix : namely stirring a low polymer, a reactive diluent, a photoinitiator, a dispersing agent, a photosensitizer and a sensitizer according to a certain proportion under intermediate speed for 0.5-3 hours to enable the components to be mixed evenly; B), placing the premix solution and the ceramic powder in a ball mill according to certain volume for ball-milling for 5-15 hours to prepare the ceramic slurry high in solid content and low in viscosity; subjecting the ceramic slurry to curing molding layer by layer gradually on a 3D light curing molding machine to obtain a ceramic green body prior to aftertreatment of drying, degreasing, sintering and the like to obtain ceramic part. The method is high in preparation molding precision and free of molds to prepare complex structure parts, the ceramic product can reach more than 92% in density, 320-1750MPa in flexural strength and 1800-4500MPa in compression strength.

Disclosed is a fermented whey preparation produced by carrying out high-temperature sterilization of an aqueous whey protein solution having a solid content of 11 to 35% by weight and a pH value adjusted to 6.5 to 8.0, then subjecting the aqueous whey protein solution to lactic acid fermentation, and homogenizing the resultant fermentation liquor as such. The fermented whey preparation has a fermentation-derived unique and good flavor and, at the same time, has a refreshed and invigorating flavor and further has a velvety texture. The fermented whey preparation is also excellent in thermal stability and safety.

The invention provides an ultraviolet curable organic silicon-acrylic resin electronic adhesive, which comprises the following components: (1) 100 parts of doublebond-containing acrylic monomers or prepolymer, (2) 5 to 500 parts of doublebond-containing organic silicon resin with a molecular weight of 1,000 to 10,000, (3) 1 to 100 parts of vinyl compound modified inorganic nano particle, (4) 1 to 50 parts of radical ultraviolet initiator, (5) 1 to 100 parts of organosilan, (6) 0 to 200 parts of inorganic reinforcing agent, and (7) 0 to 50 parts of auxiliary agent, wherein the ultraviolet curable organic silicon-acrylic resin is prepared by carrying out ultraviolet curing on the materials, and the solid content thereof is 100 weight percent. The product produced by the invention has the excellent characteristics of firm bonding with metal, glass and plastic materials and electronic devices, good optical property, good elasticity, good weather resistance, safety, non-toxicity, convenient construction and the like, can replace traditional solvent electronic adhesives, and is used for protective coatings, protective adhesives, packaging materials and the like of electronic devices, integrated circuits, printed circuits, LED chips and the like.

The invention discloses a preparation method of a graphene/polymer nano composite material, which is characterized by comprising the following steps: adding 0.1-30 parts by weight of graphite oxide into 10-3000 parts by weight of water, and dispersing and exfoliating by carrying out ultrasonic dispersion (the power is 50-500W, and the frequency is 10-100000Hz) at 10-100 DEG C for 15 minutes-5 hours or mechanical lapping for 15 minutes-5 hours or mechanical stirring for 1-48 hours to obtain a graphene oxide water solution; adding the graphene oxide water solution into 100 parts by weight of polymer emulsion of which the solid content is 10-70%; continuing the ultrasonic or mechanical stirring to carry out uniform mixing; demulsifying by adding 1-100 parts by weight of 5-100% demulsifier toobtain a graphene oxide/polymer granular suspension; adding 0.1-100 parts by weight of reducer into the graphene oxide/polymer granular suspension, reducing at 20-100 DEG C for 1-72 hours, filtering,and drying in a drying oven at 20-100 DEG C for 2-72 hours or drying in a vacuum drying oven at 20-120 DEG C under a vacuum degree of 0.1-0.01 MPa for 2-48 hours, thereby obtaining the graphene/polymer nano composite material.

The invention relates to a zinc-rich epoxy anticorrosion paint. The paint comprises a component A which can be cured into a film and a component B comprising a curing agent. The component A comprises the components of, by mass, 0.1-5wt% of graphene, 0-35wt% of zinc powder, 30-70wt% of a filling material, 10-20wt% of epoxy resin with a solid content of 54%, and 10-20wt% of a solvent, wherein a total mass percentage of graphene, zinc powder, and the filling material is 60-80wt%, and a total mass content of the component A is 100wt%. According to the invention, graphene is added into the anticorrosion paint, such that paint film thickness is greatly reduced. Through the selection of the components, the anticorrosion effect is improved, and zinc powder content is greatly reduced. Therefore, a zinc-rich paint anticorrosion manner with the cost of sacrifice of zinc powder is overcome, and zinc oxide mist produced during welding is greatly reduced. The paint is environmentally friendly.

We report a method of preparation of highly elastic graphene oxide films, and their transformation into graphene oxide fibers and electrically conductive graphene fibers by spinning. Methods typically include: 1) oxidation of graphite to graphene oxide, 2) preparation of graphene oxide slurry with high solid contents and residues of sulfuric acid impurities. 3) preparation of large area films by bar-coating or dropcasting the graphene oxide dispersion and drying at low temperature. 4) spinning the graphene oxide film into a fiber, and 5) thermal or chemical reduction of the graphene oxide fiber into an electrically conductive graphene fiber. The resulting films and fiber have excellent mechanical properties, improved morphology as compared with current graphene oxide fibers, high electrical conductivity upon thermal reduction, and improved field emission properties.

The invention discloses waterborne room-temperature self-curing inorganic zinc rich coating. The coating is prepared by uniformly mixing a prepared base stock and powder in a mass ratio of 1:1.5-3.5, wherein the process of preparing the base stock comprises the following steps of: adding 5 to 10 parts of water into alkali metal silicates solution with the mode number of 2.5 to 3.7 and stirring the mixture at low speed; then adding silica sol drops with the grain diameter of 7 to 20nm and the solid content of 25 to 32 percent, dripping 1 to 10 parts of silane coupling agent and adding 0.5 to 2parts of stabilizing agent; and filtering out precipitates to obtain the transparent base stock. The inorganic zinc rich coating has high drying speed and good early-period waterproofness and can resist to washing with certain pressure after being dried for 20 minutes, has good salt spray corrosion resistance due to the adoption of multiple anticorrosion mechanisms and can resist to the high temperature of 400 DEG C. Meanwhile, the constructability of the conventional waterborne inorganic zinc rich coating is greatly improved; and the corrosion resistance year limit can reach over 15 years. The paint is prepared at normal temperature under normal pressure and has low production cost. The environmental protection requirement is met.

The invention provides, in one aspect, a method of making a confectionery or ingredient or filling for a confectionery, which includes forming a first component by combining water, at least one humectant, corn syrup and sugar; heating the blend to above 170° F.; adding a hydrocolloid or emulsifier; and continuing to heat until a solids content of about 80-90 wt. % is obtained. A second component is formed by combining a fat or fat-containing mixture and a flavoring. The first and second component are then mixed at a temperature above the melting point of the fat to form a mixture. The mixture can then be cooled and formed into finished confectionery, which can be used for retail sale, or processed as an ingredient in a confectionery.

The invention relates to a graphene modified carbon fiber emulsion sizing agent and a preparation method thereof. The conventional solvent sizing agent is not environment-friendly. The sizing agent is a mixed system consisting of organic resin, an emulsifying agent, a lubricating agent, graphene, an organic solvent and deionized water, wherein the emulsifying agent, the lubricating agent, the graphene and the organic solvent are respectively 2 to 14 percent, 0.5 to 2 percent, 0.05 to 1 percent and 30 to 200 percent based on the mass of the organic resin; and the solid content of the mixed system is 0.1 to 5 percent. The preparation method of the sizing agent comprises the following steps of: dissolving the organic resin in the organic solvent to form organic resin solution, adding the emulsifying agent, the lubricating agent and the deionized water into the organic resin solution, and stirring until the mixed system is subjected to phase transfer; adding the deionized water until the solid content is 30 to 50 percent to obtain organic resin emulsion; and adding the graphene into the organic resin emulsion, and adding the deionized water to dilute the mixed system until the solid content is 0.1 to 5 percent so as to obtain the graphene modified sizing agent. The method is simple and reliable, and the prepared graphene modified sizing agent can well protect carbon fibers and effectively improve the interface property of the carbon fibers and matrix resin.

The invention relates to a sludge treatment process based on a hydrothermal modification technology. The sludge treatment process is carried out by comprising the following steps of: (1) temporarily storing the sludge which is subjected to mechanical dehydration and has the water content of 70-85% to a pretreatment unit and deodorizing the sludge; (2) introducing to a homogeneous device, fully mixing and homogenizing, introducing the homogenized sludge to a slurrying device, introducing the slurried sludge to a hydrothermal reactor for hydrothermal reaction, and introducing the hydrothermal sludge to a flash evaporator for decompression and flash evaporation; (3) cooling to 35-45 DEG C by using a cooler, then introducing to a high-pressure diaphragm pressure filter for pressure filtering and dehydration to obtain a dehydrated mud cake with the solid content of 35-45% and dehydrated filtrate; (4) introducing the dehydrated filtrate to an intermediate temperature anaerobic reactor, wherein the residence time is for 5.5-7.5d, the inlet water temperature is controlled below 40 DEG C, and the anaerobic reaction temperature is 30-40 DEG C; and (5) preparing a biomass fuel rod by using the dehydrated mud cake, and introducing the biomass fuel rod to a boiler to provide steam for the hydrothermal reactor and the flash evaporator. The sludge treatment process has the advantages of goodtreatment effect, obvious volume reduction effect, high harmless degree, recycling of methane, good economic benefit and the like.

The invention relates to a composite emulsified asphalt waterproof coating and a preparation method thereof. The composite emulsified asphalt waterproof coating is prepared from the following raw materials in parts by weight: 150-220 parts of emulsified asphalt, 50-105 parts of a polymeric emulsion, 70-130 parts of inorganic powder, 0.5-2 parts of a stabilizer, 6-10 parts of a dispersant, 2-5 parts of a wetting agent, 1-3 parts of a thickener I, 1-3 parts of a thickener II, 2-7 parts of a defoaming agent and 15-40 parts of water. The invention further relates to a preparation method of the composite emulsified asphalt waterproof coating. The viscosity, strength, application property, solid content and storage stability of the emulsified asphalt waterproof coating are remarkably improved, and the cost is lowered to a great extent.

A coating composition useful for building materials products, especially roofing surfaces, is provided. The coating composition provides durable exterior protection to surfaces that it applied to, and it has intumescent and reflective properties. The coating composition includes a mixture of a polymeric binder, at least one intumescent agent, a polymeric carrier and a pigment. The pigment is present in the coating composition in amount that is capable of providing a coating that has an initial energy efficiency rating greater than or equal to 0.65 for a low-sloped roof, or an initial energy efficiency greater than or equal to 0.25 for a steep-sloped roof. The coating composition has a solids content from about 30-80% of which 0.5-35 wt. % is the intumescent agent.

The invention discloses a method for preparing a non-toxic polyurethane curing agent with high solid content, which comprises the following steps of: 1, dehydrating a hydroxyl organic substance under the condition of a dehydration solvent and nitrogen protection, then dripping the hydroxyl organic substance into 10 to 100 percent of excessive diisocyanate monomer, and then reacting for 2 to 6 hours at the low temperature of between 30 and 90 DEG C to obtain a polyurethane prepolymer; 2, performing secondary separation on the polyurethane prepolymer obtained by the step one by adopting a film evaporator; and 3, pumping separated evaporation residues into a dilution container added with a solvent in advance by a pump, and stirring and diluting the obtained solution to obtain the curing agent. The method has the advantages of synthesizing the polyurethane prepolymer with uniform molecular weight distribution, low viscosity, good fluidity and suitability for separation, and not needing to add a separation assistant. The solid content of the polyurethane curing agent is between 60 and 85 percent, a NCO value is between 7.9 and 13.5 percent, and the content of free diisocyanate is between 0.15 and 0.5 percent.

The invention provides a transparent thermal insulation anti-ultraviolet coating and a preparation method thereof, belongs to the technical field chemical industry, materials and environmental protection and relates to the transparent thermal insulation anti-ultraviolet coating which can reduce the transmission of solar energy and ultraviolet and the preparation method thereof. The coating comprises nano-slurry with the thermal insulation anti-ultraviolet function and a film-forming substance, and is combined with the synergistic effects of a wetting dispersant and a hyper-dispersant for preparing the nano-slurry with high solid content and stable dispersion. The preparation process of the coating is simple and can greatly improve the solid content of the coating, ensure the optical effect of a paint film after coating, simultaneously organically combined powder with different functions and obtain the thermal insulation anti-ultraviolet functional coating with satisfactory effects. The coating has the characteristics of low transmission of ultraviolet and near infrared light of solar rays, high transmission of visible light and the like, and can be coated on glass, polycarbonate or organic glass and other transparent materials, and achieve the purposes of energy conservation and protection.

The invention discloses a multipurpose high solid content paste washing agent for cleaning heavy oil stain on hard surfaces of tablewares, a cooking bench, tiles, ceramic utensils, a range hood and the like in a kitchen and a preparation method thereof. The multipurpose high solid content paste washing agent comprises the following ingredients: a nonionic surfactant, an anionic surfactant, an ampholytic surfactant, a humectant, a detergent auxiliary, carbonate, a forming agent and the like. The paste washing agent is obtained by the procedures of stirring, grinding and filling, and the like. The solid content of the paste washing agent is more than or equal to 70 percent. The paste washing agent occupies small volume and is convenient to carry. Packing materials are saved. The detergency is strong. After the paste washing agent is dissolved or dispersed in water, little foam is generated. The wetting power is strong. The paste washing agent has effects of rapidly dispersing, permeating, emulsifying and washing the oil stain and can be widely used for cleaning the oil stain on the hard surfaces of the tablewares, the cooking bench, the tiles, the ceramic utensils, the range hood and the like in the kitchen.

The invention relates to a method for comprehensively recycling the fecal sewage of large-scale livestock and poultry farms and farmland crop straws, which comprises the following steps of: (1) performing anaerobic digestion, namely regulating the solid content of the fecal sewage of livestock and poultry to be between 5 and 10 percent, adding anaerobic digestion inocula, and performing the anaerobic digestion to generate methane; (2) performing energy utilization on the methane, namely purifying the methane obtained in the step (1) to be used as fuel gas or allowing the purified methane to be used for power generation to perform energy utilization; (3) performing solid-liquid separation, namely performing the solid-liquid separation on biogas residues and biogas slurry which are obtainedin the step (1) to obtain the biogas slurry and the biogas residues of which the moisture content is about 60 percent; (4) preparing a biological organic compound fertilizer from the biogas slurry, and mixing the biogas residues and part of biogas slurry with the straws and part of excrement to perform aerobic compost; and (5) mixing and performing the aerobic compost, namely mixing part of biogas slurry obtained in the step (3) and the crushed straws, regulating the moisture content of the mixture to be between 50 and 60 percent, and performing the aerobic compost. In the method, clean resources are recovered by the anaerobic digestion, and the biogas slurry is used for producing the biological organic compound fertilizer with a high additional value.

The invention discloses a method for preparing a hydroxy acrylic resin aqueous dispersion and the hydroxy acrylic resin aqueous dispersion prepared by the same and water-based coating using the hydroxy acrylic resin aqueous dispersion as a film forming matter. The hydroxy acrylic resin aqueous dispersion is prepared by a step free radical solution polymerization process and obtains a nucleus-shell structure by using an initiator of a specific type and a chain transfer agent and by a high-temperature polymerization reaction. The nucleus has weak hydrophilicity and no carboxyl, and the shell has a strong hydrophilicity and is rich in carboxyl, so stable storage can be realized. The obtained hydroxy acrylic resin aqueous dispersion has the characteristics of low solution content, high solid content and low viscosity. The coating prepared from the hydroxy acrylic resin aqueous dispersion and a water-based amino resin or a water-based polyurethane cross-linking agent has the characteristics of high brightness, good water resistance and excellent weather resistance. The hydroxy acrylic resin aqueous dispersion can be used for preparing an excellent base material of high-performance environment-friendly industrial protective coatings and widely applied to topcoats and primer-topcoat coatings in various fields.

A silicon steel water-soluble environment-friendly super thick insulating coating and a preparation method thereof. The insulating coating comprises the following components, by weight percentage: 10-60% of organic resin containing film-forming resin and crosslinking curing resin; 0.1-5% of inorganic pigment; 28-60% of filler; additives including 0.1-4% of wetting agent, 0.1-4% of dispersing agent, 0.1-1% of defoaming agent in and 0.1-1% of pH regulator; 1-15% of organic solvent; and the balance of pure water. The present invention provides a chrome-free C6 water-soluble environment-friendly coating with low VOC emission. The coating has high solid content and inorganic filler content (solid no less than 60%, inorganic filler content no less than 40%, GB / T 1725-2007), excellent surface insulation performance no less than1500 ohm.cm<2> / tablet (ASTM A717), good attachment (grade class A, phi 10mm rod, GB / T 2522-2007), low lamination heat compression rate, and good corrosion resistance, and is suitable for silicon steel processed with clipping and stamping by large and medium-sized motors.

The invention relates to the technical field of ceramic preparation, in particular to a method for preparing photocuring-formed high-density ceramic. According to the method, by optimizing the components and matching of slurry, the slurry is suitable for 3D printing preparation of a high-density ceramic special-shaped piece green body which is complex in structure, and no corresponding mold needs to be especially manufactured. Moreover, when the solid content of the slurry is lower than 40 vol%, the slurry can still be used for manufacturing the high-density ceramic green body, and the relative density of high-density ceramic which is manufactured ultimately can reach up to 99%. The green body is dried in a liquid state drying mode, and thus the method is suitable for manufacturing the high-density ceramic green body which is complex and precise in structure. The two-step degreasing method of vacuum/atmosphere protection latex flow and air latex flow is adopted in the method for conducting latex flow, and therefore the defects of deformation, cracking, blistering and the like of the green body can be reduced. The relative density of the high-density ceramic which is prepared through the method is above 90%, the Vickers hardness is above 12 GPa, and the content of residual carbon is smaller than 0.5 wt%.

The invention relates to a method for preparing a high solid content latent cured polyurethane acrylic acid heterozygous latex and an application thereof. The preparation method comprises the following steps: pre-polymerizing polyester polyalcohol, hydrophilic chain extender and diisocyanate monomer to obtain the polyurethane prepolymer containing a hydrophilic group (carboxyl or sulfo group) and a terminal NCO group; then, neutralizing the polymer into salt and dispersing the salt in water to prepare the polyurethane water dispersoid; finally, using the dispersoid as macro molecular emulsifying agent and reactant to emulsify and disperse the acrylic ester monomer, initiating the polymerization by heating, dropping initiator to perform the latex polymerization, and regulating the pH of the latex by adding a latent curing agent to obtain the high solid content latent cured polyurethane acrylic acid heterozygous latex. The high solid content latent cured polyurethane acrylic acid heterozygous latex has a solid content of above 45%; the storage of the high solid content latent cured polyurethane acrylic acid heterozygous latex is stable; and high hardness film coating can be formed at the room temperature. Compared with acrylic acid latex and polyurethane latex, the high solid content latent cured polyurethane acrylic acid heterozygous latex has better film forming performance, water resistance, alcohol resistance, pollution resistance, dry/wet cleaning resistance and chemical solvent resistance, as well as high hardness.

In order to produce a cellulose ester film constructed of a front layer, an intermittent layer and a rear layer, a dope solution is doped on a supporter. In at least one of the front layer and the rear layer, a mass ratio of a cotton linter to a wood pulp (cotton linter/wood pulp) is between 5/95 and 0/100, and a solvent of the dope contains more than 15 wt. % alcohols and hydrocarbons whose carbon number each is 1-10. Further, a ratio of a solid content density of a solution for forming the front layer and the rear layer to a solid density of a solution for forming the intermittent layer is less than 0.9 wt. %, and a total thickness of the solutions for front and rear layers is more than 5% of the dope ribbon.

Hyper-concentrated liquid detergent comprises, in percentage by weight, 8-30% of anionic surfactant, 40-60% of nonionic surfactant, 5-15% of cosolvent, 0-10% of auxiliary, 0.005-1% of deflocculant, 0-0.5% of fluorescent brightener, 0-2% of detergent enzymes, 0-0.1% of preservative, 0.1-1% of essence, and the balance of water. The hyper-concentrated liquid detergent has the advantages of high solid content and high deterging effect.