278results about How to "Not easy to foam" patented technology

The invention provides a high-impact toughness man-made quartzite slab and a preparation method thereof. The man-made quartzite slab comprises the following components in percentage by weight: 58-75 percent of particle raw materials, 15-33 percent of quartz powder, 0.01-10 percent of paint, 0.1-1 percent of coupling agent, 8-12 percent of adhesive and 0.8-2 percent of curing agent, wherein the particle raw materials are quartz particles, glass particles, or a mixture of the two. The man-made quartzite slab provided by the invention has the characteristics of low probability of cracking and deformation, and the like.

The invention discloses peacock blue jun porcelain glaze which is prepared from Hatoyama medicine, feldspar, calcite, quartz, talcum, ox bone ash, plant ash, clinker, stannic oxide, zinc oxide and copper oxide. The peacock blue jun porcelain glaze is transparent and good in flowability and luster and has stereoscopic sensation, and bubbles are not easily generated.

The invention discloses a graphene heating ink, a preparation method and application thereof. The graphene heating ink comprises the following raw materials by mass percent: 5-15% of carbon black, 10-25% of graphite, 0.1-5% of graphene powder, 0.1-8% of carbon nanotube powder, 25-40% of an adhesive, 1-5% of an assistant, and the balance a mixed solvent. Through combination of dotted carbon black,linear carbon nanotubes and planar graphene, a mutually cross-linked stable structure can be formed inside the ink, and the safety is high. Through improvement of the preparation process and the ink formula components, blistering does not occur easily in the stirring process, and the ink has good adhesion during printing, the electro-thermal conversion efficiency of the heating ink is remarkably improved, the far infrared normal emissivity of an electrothermal film is significantly enhanced, the service life of the electrothermal film is greatly increased, and the power change of 100,000h aging test is less than 2.6%. Also, the implementation process adopted by the invention is simple, efficient and practical.

The invention discloses special blend oil for frying. The special blend oil for frying contains 10-50% by weight of high oleic acid peanut oil and 10-50% by weight of rice oil. The blend oil for frying is prepared by compounding any two or more than two of sunflower seed oil, olive oil, soybean oil, corn oil, cottonseed oil, palm oil, rapeseed oil, safflower oil, linseed oil and sesame oil in different proportions. The blend oil for frying is rich in fragrance, bright in color, high in content of oleic acid, rich in oryzanol and vitamin E, reasonable in composition of fatty acids and free of stickiness. Through a high-temperature frying test, the blend oil is high in smoke point, low in content of trans-fatty acids and high in frying stability. The fried food is small in oil content, good in crispy property, excellent in taste and nutritional and healthy. The blend oil disclosed by the invention can be used for frying different food materials, is suitable for being used as special fat for frying food in family and catering industry, is long in expiration date, and is novel nutritional and healthy special blend oil for frying.

The present invention relates to a preparation method of hydrophilic fluorocarbon metal paint which includes the following process steps: 1. preparation of pre-emulsified mixture: add water, wedding agent, organosilicon autocopulation self-crosslinking monomer, acrylic monomers, acrylic ester monomers, fluorine acrylic ester monomer to the pre-emulsified reactor, and emulsifying to obtain pre-emulsified mixture; 2. preparation of nanometer modified fluorocarbon emulsion: take 1/5 of pre-emulsified mixture obtained in step 1; add it to reactor and elevate temperature; dropwise add mixture of evocating agent and water; then dropwise add the rest 4/5 pre-emulsified mixture to get nanometer modified fluorocarbon emulsion; 3. preparation of hydrophilic fluorocarbon metal paint: add mixture of nanometer modified fluorocarbon emulsion obtained in step 2, dispersants, wetting agents, anti-settle agent, propylene glycol, flatting agent, pigment, thickening agent and water to paint preparing reactor, stir and disperse for 10-15 min, filtrate and discharge. The hydrophilic fluorocarbon metal paint prepared through the method described in the invention has good stain resistance and long weather resistance, and has effect of the aluminum plate paint with film ventilating.

An antibacterial glaze material comprises a nano zirconium phosphate silver-loaded antibacterial agent, nano titanium dioxide, zinc oxide, copper oxide, Jiushan local glaze stone, quartz, talcum, copper ores and calcite. The antibacterial glaze material has the advantages that the nano zirconium phosphate silver-loaded antibacterial agent and the nano titanium dioxide are added into the glaze material, so that the glaze material has good antibacterial property, is non-toxic and pollution-free, and is suitable for the glaze formula of Jun porcelain kitchenware such as plates and bowls; the glaze material is good in fluidity, less prone to blistering and good in glossiness, and Jun porcelain glaze prepared by the glaze material is stable and uniform in color.

The invention provides a method and a device for removing carbon dioxide and hydrogen sulfide from methane by a water dissolving method. In the method, according to different solubility of various ingredients of the methane in water, carbon dioxide (CO2) and hydrogen sulfide (H2S) in the methane are dissolved in tap water by controlling pressure, liquid gas ratio and temperature of an absorption tower; and the water, in which the carbon dioxide and the hydrogen sulfide are dissolved, can be recycled through regeneration. The device is simple, convenient to operate, low in investment, and convenient in industrialized production; in particular, effect of removing CO2 and H2S is obviously improved through filling design in the absorption tower and use of a redistributor; and regeneration effect of the water is improved through use of a heat exchanger. In the methane treated by the device and the method, the methane content is obviously increased; the maximum of the methane content can reach 97 to 99 percent; and a heat value is obviously increased.

The invention relates to water-borne polyurethane matte finishing paint for locomotive interior and exterior decorations and preparation method. The water-borne polyurethane matte finishing paint comprises two parts, namely finishing coat and a curing agent, wherein the finishing coat comprises a water-borne acrylic resin, a pigment paste, a filler, a cosolvent, an auxiliary agent and deionized water; the curing agent comprises water-borne HDI isocyanate and a small amount of an organic solvent. The water-borne polyurethane matte finishing paint is sprayed through wet-on-wet two-pass spraying,is baked and cured to form a film. The water-borne polyurethane matte finishing paint can fully meet design requirements of railway customers, is stable in color and luster control, does not containheavy metals such as chromium and lead, and reduces the environment pollution; the water-borne polyurethane matte finishing paint can provide coating with excellent aging resistance and water resistance and good mechanical properties and chemical properties, and can provide a comfortable and smooth hand feel; the water-borne polyurethane matte finishing paint is easy to construct, uses water as adiluent, is environment-friendly, has low VOC emission, and reduces harm to the environment and human health. The water-borne polyurethane matte finishing paint is mainly applied to surface coating ofrailway locomotives, urban rail transit vehicle bodies, interior decorations, chassises, frameworks and various accessories.

The invention relates to a preparation method of a thick paperboard, in particular to a preparation method of a thick paperboard with high bonding strength between paperboards. In the preparation method, a fog-like adhesive water solution is sprayed between wet paper layers before the wet paper formed on a net by pulp with beating degree of 20-35oSR are mutually bonded; the adhesive water solution is one of starch, polyacrylamide modified substance or a mixture of starch and the polyacrylamide modified substance; and the concentration of the adhesive water solution is 0.5-6.0%. The preparation method has following advantages that: 1, manufacturing paper with pulp is easy, and energy can be saved; and 2, the effect of improving bonding strength is notable, and a certain effect in improving retention of the pulp and chemical materials is realized. In addition, the preparation method increases bonding point and bonding force between the adhesive and pulp fibers so as to greatly improve bonding strength between the paperboards.

The invention belongs to the field of fine chemical engineering, and particularly relates to an environment-friendly polyurethane prepolymer and a preparation method thereof. Polypropylene carbonate polylol and isocyanates are used as raw materials to prepare a polyurethane adhesive, and the polyurethane adhesive is subjected to termination modification by organosilane to obtain the environment-friendly polyurethane prepolymer, thereby lowering the release of free isocyanates and other substances harmful to the human body, and implementing no pollution. The prepolymer has the advantages of high strength, hydrolysis resistance, low bubbling tendency and stable performance, and can be widely used in the fields of traditional production of adhesives, sealants, paints and elastomers and the like.

The invention discloses a method for preparing a waterproofing agent of a saponin-free cation paraffin emulsion artificial board. The method comprises the following steps: under the function of a cosolvent which can be mutually soluble to water, taking vinyl monomers, such as styrene, an acrylate class monomer, a cation monomer, acrylamide and a derivative thereof and the like, as a copolymerization monomer and preparing a saponin-free benzene polymer with strong cation charges by a saponin-free emulsion polymerization method; taking the saponin-free benzene polymer as a high molecular emulsifying agent of solid paraffin, emulsifying and dispersing the paraffin and preparing the waterproofing agent of the saponin-free cation paraffin emulsion artificial board with favorable stability by homogenizing at high pressure. The invention overcomes the defects of poor waterproof effect, poor stability, easy bubbling of emulsion and the like due to the addition of a small molecular emulsifyingagent in the traditional paraffin emulsion; the product adopts the saponin-free benzene polymer with strong cation charges as the high molecular emulsifying agent of the solid paraffin, and the high molecular emulsifying agent which can generate a very strong hydrogen bond function with fibre in the artificial board not only enhances the water resistance of a board material but also can enhance the physical strength of the artificial board.

The invention relates to an inhibitor for preventing the formation of natural gas hydrate of high-sulfur acid gas fields, which comprises the following components in percentage by weight: 5 to 30 percent of biopolymer, which has the weight average molecular weight of between 3,000 and 10,000, of vinyl pyrrolidone and vinyl caprolactam or terpolymer, which has the weight average molecular weight of between 65,000 and 100,000,of the vinyl pyrrolidone, the vinyl caprolactam and N, N-(dimethylamino)ethyl methacrylate, 5 to 30 percent of amido group-containing and lipid group-containing polyesteramide or amidation product which is formed by polymerizing maleic anhydride, a derivative thereof and alkyl alcohol amine and has the number average molecular weight of between 1,000 and 15,000, 10 to 15 percent of surfactant and defoaming agent, and 50 to 70 percent of mixture of methanol or ethanol and glycol. The inhibitor has better inhibition effect on acid natural gas hydrate which has the H2S content between 0 and 8 percent, the CO2 content between 0 and 5 percent, and no hydrocarbon components above C2.

The invention relates to a preparation method of food-grade microcrystalline wax. The preparation method comprises the following steps that blended oil comprising paraffin-based slag-reduced deasphalted oil and naphthenic base slag-reduced deasphalted oil is used as a raw material, is fed into a first reaction bed layer and then undergoes a hydrotreatment modification reaction; the reaction product is fed into a stripping tower and the stripped product is fed into a second reaction bed layer and undergoes a hydrofining reaction to produce hydrofined product oil; the hydrofined product oil is cut by atmospheric and vacuum fractionation equipment to form a heavy lubricant component having a temperature of 480-750 DEG C; the heavy lubricant component and an acetone-benzol dewaxing solvent are mixed; the mixture is cooled to below -15 DEG C; the cooled mixture is filtered so that dewaxed filtrate and deoiled wax are obtained; the deoiled wax is mixed with carclazyte by stirring; and the mixture is filtered so that the carclazyte is removed and the food-grade microcrystalline wax is obtained. The food-grade microcrystalline wax has Seybolt color number greater than +25, a drop melting point of 67-92 DEG C, a needle penetration degree of 15-35(1/10mm), oil content of 0.85-3.0%, sulfur and nitrogen content less than 1 microgram per gram and heavy metal and arsenic content less than 1mg/kg.

The invention discloses a hot metal pretreatment desilicication/dephosphorization agent. The hot metal pretreatment desilicication/dephosphorization agent is formed by mixing ferric red mud and lime particles according to the mass ratio of 1:(0.2-0.3). The content of TFe in the ferric red mud is 40-50 wt%, and the particle size of the ferric red mud is 0.088-0.5 mm. The particle size of the desilicication/dephosphorization agent is smaller than or equal to 3 mm, and the content of the desilicication/dephosphorization agent with the particle size of 1-3 mm is smaller than or equal to 5 wt%. The invention further discloses an application method of the hot metal pretreatment desilicication/dephosphorization agent. The method comprises the following steps that whether desilicication operation and dephosphorization operation are carried out independently or at the same time is determined according to the steelmaking smelting steel ball requirements and hot metal in-station conditions. When the ferric red mud is used as the desilicication/dephosphorization agent for hot metal pretreatment, furnace slag foaming can be avoided, furnace slag is prevented from overflowing out of a hot metal furnace, and the desilicication and dephosphorization effect is good.

The invention discloses an absorbent for selectively absorbing sulfur dioxide and an application thereof, which belong to the technical fields of environmental protection and gas purification. The absorbent comprises the following components by mass percentage: 5-80% of organic multi-amine; inorganic strong acid, wherein the mol ratio of the inorganic strong acid to the organic multi-amine is (0.3-1.2):1; 0.01-1.00%of an antioxidant, 0.01-8.00% of a desulfuration activator, and the balance of water; and the pH value of the absorbent is 4.0-6.5. The SO2 absorbent has high absorptivity and selectivity on SO2, SO2 can be absorbed from a mixing gas containing SO2 and CO2, but CO2 is not absorbed, the initial absorption rate can reach 100%, the absorption rate can still reach more than 99% in 30 minutes, and the absorbent is suitable for purifying the industrial exhaust gas containing SO2, especially the exhaust gas of a sulfur recovery device. The SO2 absorbent has good renewable performance and stability, and is in favor of cyclic utilization of the absorbent.

The invention discloses a packaging bag manufacturing method. The packaging bag manufacturing method comprises the ten steps of gravure manufacturing, ink preparing, equipment installing, printing, energy-saving drying treatment, printing pattern detection, composite working procedures, drying and curing, slitting and bag making, wherein an energy-saving drying heat pump set is used in the step ofenergy-saving drying treatment; according to the step of printing pattern detection, a stroboflash lamp irradiates a packaging film to obtain synchronous static patterns; and a solvent-free compounding mode and specially-made glue are adopted in the step of composite working procedures. Printing equipment is stable in operation process, consistent in speed, uniform in printing and good in printing effect. The energy-saving drying heat pump set is used, so that lost heat is recovered, and the energy is saved. The solvent-free compounding mode is adopted, so that solvents are prevented from volatilizing and polluting the environment. The curing condition is changed, so that a packaging bag has a high-temperature-resistant effect, the performance of the packaging bag is improved, and the application range of the packaging bag is enlarged.

The invention relates to special environment-friendly bright finishing coat with an anti-bacterial function for children as well as a preparation method thereof. The special environment-friendly bright finishing coat with the anti-bacterial function for children is prepared from the following components of main paint, a curing agent and a diluent by weight ratio of (0.8-1.2):(0.8-1.2):(0.2-0.4). The main paint is prepared from the following components in parts by weight: 40-70 parts of synthetic fatty acid resin, 10-20 parts of coconut oil modified alkyd resin, 10-30 parts of aldehyde ketone resin with solid content of 60-80%, 0.1-1 part of a defoamer, 0.5-2 parts of a flatting agent, 0.2-1 part of a wetting agent, 0.5-1 part of high oxidation state nano silver ionic liquor, 0.1-0.3 part of a drier and 5-15 parts of an environment-friendly mixed solvent. The special environment-friendly bright finishing coat with the anti-bacterial function for children is not only environment-friendly and healthy and prevents generation of harmful substances to physical health of children, but also can form a coating with the anti-bacterial function on the surface of a coated object after coating so as to protect the physical health of children.

The invention provides a rust proof coating for machinery equipment and a preparation method thereof. The coating contains the following components by weight: 30-45 parts of coal tar, 8-14 parts of maleic anhydride, 3-6 parts of modified phenolic resin, 10-20 parts of barium borate, 8-15 parts of molybdenum dioxide, 7-14 parts of aluminum tripolyphosphate, 1-3 parts of diatomite, 1-3 parts of kaolin, 1-3 parts of light calcium carbonate, 4-8 parts of propylene glycol, 0.6-1.1 parts of lead naphthenate, and 15-30 parts of deionized water. The coating provided by the invention has excellent rust resistance and wear resistance, hardly peels or blisters, has little environmental pollution, and can effectively protect the mechanical equipment, and prolong the service life of mechanical equipment.

The invention relates to a decorative plate, and discloses a porcelain plastic decorative plate. The porcelain plastic decorative plate comprises, from top to bottom, a PVC transparent abrasion-resistant layer, a PVC pattern printing layer and a substrate layer which are sequentially stacked. The substrate layer comprises the following components, by weight, 100 parts of PVC resin, 15-20 parts of a plasticizer, 2.0-5.0 parts of a stabilizing agent, 60-70 parts of bead powder, 15-30 parts of a fiber, 5-10 parts of an impact improver, 15-30 parts of stone powder, 0.5-1.5 parts of rosin or PE wax, and a proper amount of a coloring agent. The invention also discloses a processing method of the decorative plate. The method comprises the following technological steps: 1, processing the substrate layer; 2, printing a pattern; 3, carrying out hot-press molding; 4, carrying out surface treatment; 5, carrying out heat treatment; and 6, carrying out product inspection and packaging. The decorative plate has the advantages of stable dimensional stability, low water absorption rate, difficult deformation, difficult shedding and foaming of the decorative layer, rich and colorful pattern, and stereoscopic effect.

The invention relates to a preparation method of a bisphenol A modified paper-base glass cloth copper-clad foil single-sided copper-clad plate, which comprises the following steps of: (I) preparing an epoxy phenolic resin mixed solution; and (II) preparing a bisphenol A modified phenolic resin mixed solution; preparing a copper-clad foil laminated plate by using the epoxy phenolic resin mixed solution as a steeping binder for glass cloth and the bisphenol A modified phenolic resin mixed solution as a steeping binder for wood fiber paper,. The prepared copper-clad foil laminated plate has low production cost and strong aging resistance, and hardly peels off.