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34results about How to "Strong waterproof function" patented technology
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Elastic anti-fouling outer wall paint with acid rain resistance and preparation method thereof
ActiveCN101948650AStrong adhesionImprove stain resistanceAntifouling/underwater paintsPaints with biocidesAnti freezingWhite powder
The invention discloses elastic anti-fouling outer wall paint with acid rain resistance. The outer wall paint comprises the following components in percentage by weight: 10 to 20 percent of water, 0.5 to 0.8 percent of acrylic ammonium salt dispersant, 20 to 26 percent of rutile type titanium white powder, 2 to 3 percent of kieselguhr, 8 to 15 percent of superfine barium sulfate, 1 to 2 percent of sericite powder, 40 to 50 percent of self-crosslinked elastic acrylic polymer latex, 3 to 5 percent of opaque covering polymer, 1 to 2 percent of anti-freezing agent, 1 to 2 percent of film-forming aid, 0.5 to 0.8 percent of mold-proof anti-algae agent, 1 to 3 percent of organic silicon waterproof agent and 0.5 to 1.5 percent of polyurethane associated thickener. The paint has the advantages of acid rain resistance, good anti-fouling performance, excellent elasticity, mold injury resistance, good storage stability and capability of repeatedly coating a paint film.
Owner:紫荆花制漆(成都)有限公司
Waterproof coating
ActiveCN103571291AReduce manufacturing costNo need to change the structural designCoatingsEngineeringFilm-forming agent
The invention provides a waterproof coating. The waterproof coating comprises a film forming agent, a hydrophobic agent, hydrophobic nano-silica and hydrophobic paraffin. The waterproof coating is a colorless and transparent coating substance having a waterproof function, and can be directly coated on the circuit board or shell of a mobile phone to realize waterproof and dustproof effects. A preparation technology of the waterproof coating is simple and can be simply operated, so the production cost of the mobile phone is reduced. The coating is directly coated on the circuit board, so the obtained coat has an excellent waterproof performance, thereby there is no need to change the original structure design of the mobile phone.
Owner:BYD CO LTD
Waterfroof agent for cement mortar and its preparation method
The invention relates to a waterfroof agent used in cement mortar and a preparation method thereof. The waterfroof agent comprises the following raw materials of: by weight, 5.0-15.0 parts of paraffin, 3.0-5.0 parts of silicone oil, 0.5-3.0 parts of aliphatic acid, 1.0-3.0 parts of triethanolamine, 0.4-2.5 parts of sodium hydroxide and 60.0-100.0 parts of deionized water. The preparation method comprises the following steps of: firstly respectively weighing the above raw materials, mixing, melting, heating, saponifying, cooling, homogenizing, examining, and packaging to obtain a milky thick liquid waterfroof agent. The waterproof agent is aqueous and environmentally friendly, is nontoxic and tasteless, causes no pollution, is convenient to use, and has good compatibility with cement mortar. With the addition of the waterproof agent, cured and dried cement mortar has a strong waterproof function and can effectively avoid entry of rainwater, thus guaranteeing construction quality and service life.
Owner:BEIJING LIGAO WATERPROOF ENG CO LTD +1
Production process and application of multifunctional nano waterproof agent
InactiveCN1986718AStrong waterproof functionSpecial Hydrophobic PropertiesOther chemical processesNanometreFiber
The multifunctional nanometer waterproof agent consists of nanometer subcrystal and solvent mainly, and reaches the waterproof effect through coating fiber with nanometer grains with hydrophobic functional group. The present invention features that the multifunctional nanometer waterproof agent may be used widely for fibrous material to reach waterproof effect, ventilating effect, antifouling effect and antimildew effect.
Owner:黄希锋
LED (Light-Emitting Diode) streetlamp utilizing lamp shell with heat radiator as mounting interface bracket structure
ActiveCN102818178AStrong waterproof functionSimple structurePoint-like light sourceLighting heating/cooling arrangementsPhysicsIndustrial scale
The invention discloses an LED (Light-Emitting Diode) streetlamp utilizing a lamp shell with a heat radiator as a mounting interface bracket structure. The LED streetlamp comprises the lamp shell (103) which is molded by a metal die-casting process and is provided with the heater radiator; the lamp shell (103) with the heat radiator is provided with more than one mounting interface; the mounting interface is provided with an LED lamp bulb (102); the lamp shell (103) with the heat radiator is connected with a lamp rod (108) through a lamp rod fixing bracket (112); and the lamp rod fixing bracket (112) is provided with a wire harness connector (106). The LED streetlamp disclosed by the invention has the advantages of simple structure, low construction cost, rapidness, cheapness and convenience in installation, use and maintenance, and uneasiness for enlarging faults; and the lamp bulb, a lamp and an illumination control product of the LED lamp are independently produced and used, so that a production link is greatly reduced and the batch production is achieved; and the LED streetlamp is good for application and industrial scale expansion of an LED energy-saving illumination product.
Owner:GUIZHOU GUANGPUSEN PHOTOELECTRIC
Preparation method and application of coating agent for waterproof moisture-permeable cotton fabric
The invention relates to a preparation method and application of a coating agent for waterproof moisture-permeable cotton fabric. The preparation method is characterized by including the steps of preparing hollow porous cellulose microspheres; polymerizing and emulsifying monomers such as acrylic acid, allyl glycidyl ether and butyl acrylate to obtain a polyacrylate emulsion; compounding the hollow porous cellulose microspheres with the polyacrylate emulsion to obtain a hollow porous cellulose microsphere / polyacrylate composite emulsion; the composite emulsion is the coating agent for the waterproof moisture-permeable cotton fabric. After the coating agent is used for carrying out coating finishing on the cotton fabric, the waterproof moisture-permeable coated cotton fabric is obtained. The hydrostatic pressve of the waterproof moisture-permeable coated cotton fabric prepared by the method reaches 6,400-7,250 Pa, and the amount of moisture permeability reaches 250-270 g / (m<2>.24h), obviously higher than those of purchased coated cotton fabric; after the waterproof moisture-permeable coated cotton fabric is washed for 10 times, indicators do not decrease significantly, indicating that the stability and the durability of the coated cotton fabric are high.
Owner:湖北龙船调服饰有限公司
Single-waterproof temperature-sensitive label-use paper
InactiveCN103132373AShort maturation timeShort waterproof functionSpecial visual effect coatingsCoatingsProcess engineeringPolycarbonate
The invention provides a single-waterproof temperature-sensitive label-use paper which is characterized in that the label-use paper is composed of the components of a temperature-sensitive color-development layer, a pre-coating layer, and a high-quality base paper layer, which are sequentially arranged from top to bottom. According to the single-waterproof temperature-sensitive label-use paper, pre-coating liquid and temperature-sensitive color-development layer coating liquid are pumped into a coating machine feeding tank, and are used for coating the high-quality base paper. One-step coating is finished, and the paper is fetched and cut, such that finished product is obtained. The temperature-sensitive color-development layer coating liquid adopts a polycarbonate-grade phenolic substance or a diphenyl sulfone substance as a color developing agent. Compared with prior arts, coated and fetched finished product paper of the single-waterproof temperature-sensitive label-use paper is already aged. The aging time is short, and the paper has higher waterproof functions, wherein fading is prevented when the paper is wetted and abraded. With the paper, color-development capacity preservation time of temperature-sensitive paper is longer. No protective layer is needed to be coated, such that production processes are reduced. The label-use paper has the characteristics of improved production efficiency, fast production speed, lower cost, and more stable product characteristics.
Owner:JIANGSU WANBAO RUIDA HI TECH CO LTD
Polymer silicate cement waterproof coating and method for preparing same
InactiveCN108034287AGood extensibilityGood construction performanceBituminous coatingsCement coatingsExtensibilitySilanes
The invention discloses polymer silicate cement waterproof coating and a method for preparing the same. The polymer silicate cement waterproof coating comprises, by weight, 10%-16% of high-polymer emulsified asphalt, 6%-10% of alkoxy silane, 12%-20% of silicate cement, 1.2%-2.8% of hydroxypropyl methyl celluloses, 5%-15% of quartz powder, 2.5%-6.9% of heavy calcium carbonate, 5.5%-9.2% of heavy calcium carbonate polyol, 1.2%-2.6% of coalescing agents and the balance deionized water. The polymer silicate cement waterproof coating and the method have the advantages that the high-polymer emulsified asphalt, the silicate cement, the hydroxypropyl methyl celluloses, the quartz powder, the heavy calcium carbonate and the heavy calcium carbonate polyol are matched with one another according to specific proportions to obtain the polymer silicate cement waterproof coating, accordingly, the polymer silicate cement waterproof coating has a powerful waterproof function and is excellent in ageing resistance, high in adhesive strength, good in constructability and free of toxic and side effects, and materials are good in extensibility and are safe and environmentally friendly.
Owner:佛山杰致信息科技有限公司
Method for preparing super-hydrophobic coating
PendingCN111410877AImprove waterproof functionStrong waterproof functionAntifouling/underwater paintsPaints with biocidesCoating
The invention discloses a method for preparing a super-hydrophobic coating, which relates to a method for preparing the super-hydrophobic coating. The invention mainly aims to solve the problem that the waterproof effect of the existing waterproof coating is limited. The coating is prepared from the following raw materials: a film-forming substance, a coating additive, water and a nano super-hydrophobic emulsion. The method comprises the following steps: mixing the film-forming substance with the coating additive, water and the nano super-hydrophobic emulsion, and uniformly stirring; wherein the coating additive accounts for 10%-300% of the weight of the film forming matter, the effective active matter of the nano super-hydrophobic emulsion accounts for 0.1%-20% of the sum of the weight ofthe film-forming substance and the weight of the coating additive, and the concentration of the effective active matter of the nano super-hydrophobic emulsion is 1%-70%; wherein the addition amount of the water is the viscosity required for forming a conventional coating during brushing. An alkaline auxiliary agent can also be added, and the alkaline auxiliary agent accounts for 0.1%-20% of the sum of the weight of the film forming matter and the weight of the coating auxiliary agent. The waterproof paint has the advantages of water repellency, dirt repellency and self-cleaning function whichare not realized by the common waterproof coating.
Owner:疏科纳米疏水科技(嘉兴)有限公司
Waterproof packaging material
InactiveCN105150646ASimple materialEasy to manufactureFlexible coversWrappersEngineeringRaw material
Owner:广西点图包装有限公司
PVC sport floor
InactiveCN106917488AIncrease elasticityPlay a buffer roleCovering/liningsFlooring insulationsGlass fiberSurface layer
The invention relates to a sport floor, in particular to a PVC sport floor. The PVC sport floor successively includes, from top to bottom, a PVC surface layer 1, a glass fiber reinforcement layer 2, a PVC foaming layer 3, a size stabilizing layer 4 and a waterproof drainage layer 5 which are tightly composited; the glass fiber reinforcement layer 2 is a PVC layer with a glass fiber gridding fabric as a skeleton; and embossing patterns 51 are arranged on a surface of the waterproof drainage layer 5. According to the PVC sport floor, the PVC foaming layer is excellent in rebound resilience, can resist impact, and can play a role in buffering; and the PVC sport floor has an antibacterial function and an anti-ultraviolet function, and is excellent in waterproof function.
Owner:吕澎沸
RC micro-porous composite digital photopaper and production technology thereof
ActiveCN104859332AImprove work efficiencyHigh surface glossSynthetic resin layered productsLaminationEngineeringPhotographic paper
The invention relates to RC micro-porous composite digital photopaper and a production technology thereof. The RC micro-porous composite digital photopaper comprises the following four layers: an RC photopaper base layer, a PET film layer, an OPP matt film layer and a macromolecular coating layer. The production technology comprises composite operation procedures and coating operation procedures, in the composite operation procedures, a dry compositing machine is adopted to coat the back surface of the base layer of the RC photopaper with the PP matt film layer and coat the front surface of the base layer of the RC photopaper with the PET film layer, and macromolecular coating is conducted on the surface of the PET film layer by adopting a wave-current extruding coating machine. The RC photopaper prepared by the production technology disclosed by the invention has the benefits that the surface is fine and smooth, so that the surface gloss of the photopaper can be improved, the RC photopaper has a high light effect during imaging, and requirements for stereoscopy and beautiful appearance can be met; the RC photopaper has a better water-proof function, deformation and wrinkles do not exist after the RC photopaper is immersed in water, and color change does not exist after the RC photopaper is soaked in the water for 48 hours; through extruding a coating head, one-time coating is realized, so that the operating efficiency can be improved; the RC photopaper has the advantages of high glossiness, good ink absorbing property, water-proof property of 100% and good stiffness.
Owner:温州创佳影像材料有限公司
Network cable curtain wall with operating window
InactiveCN106481003AReduce design costReduce manufacturing costWallsWing arrangementsEngineeringWindow covering
The invention discloses a network cable curtain wall with an operating window. The network cable curtain wall comprises a glass panel system formed by a plurality of glass panels arrayed in a regular way. Corners of adjacent glass panels coming together are connected via a stainless steel clamp and a stainless steel inhaul cable; one glass panel takes up one mesh division of an area; in a mesh division without an installation of the glass panel and preserved for the to-be-installed operating window, four straight corners of the operating window covering one mesh division are directly clamped by four clamps corresponding to the preserved mesh division; and or the operating window smaller than one mesh division and a supplementary glass panel are combined to form a combined member equaling to one mesh division, and then four corners of the combined member are clamped on four clamps in the corresponding preserved mesh division. The operating window cannot only meet demands of basic constructions and structures of the network cable curtain wall, and can also fulfils requirements of displacement capacity, safety and sealing property, so difficulty of installation of the operating window on the network cable curtain wall is solved.
Owner:SHANGHAI JANGHO CURTAIN WALL SYST ENG
Novel power equipment box
InactiveCN104967008AGuaranteed uptimeNovel structureSubstation/switching arrangement casingsPower equipmentEngineering
The invention discloses a novel power equipment box, and the box comprises a box body and a box door hinged to the box body. The box is characterized in that the box body comprises a top, a side wall, a bottom, and a support; the box door is hinged to one side wall; the top is provided with a water-stopping edge; the bottom of the box body is arranged to be inclined; the interior of the box body is provided with a plurality of supports for the installation of electric appliance equipment; and the bottom edge of the box door is beyond the bottom of the box body. The box is novel in structure, is strong in waterproof function, can effectively guarantee the normal operation of electrical equipment in the box body, and is worthy of popularization and application.
Owner:江阴市中联电力设备有限公司
Power adapter and electronic device with same
ActiveCN108321901AStrong waterproof functionEasy to makeBatteries circuit arrangementsCouplings bases/casesElectronic componentUSB
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
a waterproof coating
ActiveCN103571291BReduce manufacturing costNo need to change the structural designCoatingsEngineeringFilm-forming agent
The invention provides a waterproof coating, which includes a film-forming agent, a hydrophobic agent, hydrophobic nano silicon dioxide and hydrophobic paraffin. The waterproof paint provided by the present invention is a colorless and transparent coating material with waterproof function, which can be directly coated on the circuit board or shell of the mobile phone to achieve waterproof and dustproof effects. The preparation process is simple and the operation is simple and convenient, which reduces the production cost of mobile phone production. Since the coating is directly coated on the circuit board, it has excellent waterproof performance without changing the original structural design of the mobile phone.
Owner:BYD CO LTD
Filling compound for submarine optical fiber cables and preparation method of filling compound
The invention discloses a filling compound for submarine optical fiber cables. The filling compound comprises components of, by mass, 70%-85% of poly-alpha-olefin synthetic oil, 6%-10% of viscosity increasing adjusting agents, 3%-6% of thixotropic agents, 0.5%-1% of antioxygen, 0.5%-1% of pour point depressants, 0.5%-2.0% of anticorrosive agents and 1%-3% of hydrogen absorption materials. An embodiment of the invention further provides a preparation method of the filling compound. The filling compound for the submarine optical fiber cables has powerful functions of water resistance, water blocking and anti-corrosion and is capable of effectively solving the problem of water seepage of a loose tube of optical fibers; and the filling compound for the submarine optical fiber cables can not perform oxidation and hydrogen evolution and has a function of hydrogen absorption so that hydrogen loss of the optical fibers can be avoided, performances of the submarine optical fiber cables are improved, and service life of the submarine optical fiber cables is prolonged.
Owner:深圳市金泰科技有限公司 +1
Elastic anti-fouling outer wall paint with acid rain resistance and preparation method thereof
ActiveCN101948650BStrong adhesionImprove stain resistanceAntifouling/underwater paintsPaints with biocidesRutileAcrylic polymer
The invention discloses elastic anti-fouling outer wall paint with acid rain resistance. The outer wall paint comprises the following components in percentage by weight: 10 to 20 percent of water, 0.5 to 0.8 percent of acrylic ammonium salt dispersant, 20 to 26 percent of rutile type titanium white powder, 2 to 3 percent of kieselguhr, 8 to 15 percent of superfine barium sulfate, 1 to 2 percent of sericite powder, 40 to 50 percent of self-crosslinked elastic acrylic polymer latex, 3 to 5 percent of opaque covering polymer, 1 to 2 percent of anti-freezing agent, 1 to 2 percent of film-forming aid, 0.5 to 0.8 percent of mold-proof anti-algae agent, 1 to 3 percent of organic silicon waterproof agent and 0.5 to 1.5 percent of polyurethane associated thickener. The paint has the advantages of acid rain resistance, good anti-fouling performance, excellent elasticity, mold injury resistance, good storage stability and capability of repeatedly coating a paint film.
Owner:紫荆花制漆(成都)有限公司
Waterproof packaging material for electronic product based on polypropylene and preparation method thereof
The invention discloses a waterproof packaging material for an electronic product based on polypropylene and a preparation method thereof, wherein the waterproof packaging material is prepared from the following compositions in percentage by weight: 4 to 8 percent of polyvinyl chloride, 8 to 12 percent of hydrophilic nanometer silicon dioxide, 5 to 15 percent of polypropylene, 6 to 7 percent of mica titanium pearl powder, 0.5 to 1.2 percent of tantalum carbide, 0.2 to 0.6 percent of styrene-butadiene rubber and the balance of deionized water. The waterproof packaging material provided by the invention is prepared from polyvinyl chloride, hydrophilic nanometer silicon dioxide, polypropylene, mica titanium pearl powder and tantalum carbide according to the specific proportion. A higher waterproof function is realized; in addition, the packaging material is colorless and transparent and has good coating performance; all ingredients are nontoxic ingredients. The preparation process is simple; the operation is simple and convenient; the production cost of the mobile phone production is reduced.
Owner:佛山杰致信息科技有限公司
Electric fishing gear
The invention provides an electric fishing gear which comprises a fishing reel, a handle, a motor and a motor speed regulator. The fishing reel is detachably connected with the handle, the motor provides take-up driving force for the fishing reel, and the motor speed regulator is used for adjusting the rotating speed of the motor in real time so as to adjust the take-up speed of the fishing reel; and a power supply device for providing electric energy for the motor is arranged in the handle.
Owner:广东赛肯户外运动器械有限公司
Power adapter and electronic equipment with it
ActiveCN105656153BStrong waterproof functionEasy to makeBatteries circuit arrangementsCouplings bases/casesEngineeringElectronic component
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Escalator floor slab support structure and support frame
Owner:SHANGHAI MITSUBISHI ELEVATOR CO LTD
A kind of tile glue and its preparation method and application
The invention provides ceramic tile glue and a preparation method and application thereof. The ceramic tile glue is prepared from the following raw materials in parts by weight: 500 to 700 parts of cement, 25 to 50 parts of re-dispersible latex powder, 5.5 to 6.5 parts of water-retaining agent, 250 to 300 parts of quartz sand and 150 to 200 parts of gypsum powder. The ceramic tile glue has super strong bonding force and wide applicability, and can be used directly on smooth base planes such as old ceramic tiles and glass; by adopting the tile glue, the old ceramic tiles do not need to be shoveled, the ceramic tiles do not need to be wetted with water, operation is simplified, construction cost is lowered, the working efficiency is increased, and pollution and damage to the environment are avoided.
Owner:刘时忠
rc microporous composite digital photo paper and its production process
ActiveCN104859332BHigh surface glossPlay a highlight roleSynthetic resin layered productsLaminationPolymer sciencePaper based
The invention relates to an RC microporous composite digital photo paper and its production process. The RC microporous composite digital photo paper includes the following four layers: RC photo paper base layer, PET film layer, OPP matt film layer and polymer coating layer. Its production process includes a lamination process and a coating process. In the lamination process, a dry lamination machine is used to cover the back of the RC paper base with PP, and the front is covered with PET, and then the wave flow extrusion coating machine is used to coat the PET film. The surface is coated with polymer. The beneficial effects of the present invention are as follows: the RC photographic paper prepared by the present invention has fine and smooth surface, can improve the surface gloss of photographic paper, play a high-gloss effect when forming an image, and meet the requirements of three-dimensional beauty; it can have a strong Waterproof function, no deformation or wrinkle after soaking in water, no discoloration after soaking in water for 48 hours; one-time coating can be achieved by squeezing the coating head, which can improve work efficiency; it has high gloss, high ink absorption, and 100% waterproof , good stiffness.
Owner:温州创佳影像材料有限公司
LED (Light-Emitting Diode) streetlamp utilizing lamp shell with heat radiator as mounting interface bracket structure
ActiveCN102818178BStrong waterproof functionSimple structurePoint-like light sourceLighting heating/cooling arrangementsEnergy efficient lightingEngineering
The invention discloses an LED street lamp using a lamp housing with a radiator as an installation interface support structure, comprising a lamp housing (103) with a radiator formed by a metal die-casting process, and the lamp housing (103) with a radiator is provided with More than one installation interface, an LED bulb (102) is provided on the installation interface, and the lamp housing (103) with a radiator (103) is connected to the lamp post (108) through the lamp post fixing bracket (112), and the lamp post fixing bracket (112) is provided with Harness connector (106). The invention has the advantages of simple structure, low cost, fast, cheap and convenient installation, use, and maintenance, and is not easy to expand faults. It ensures the mass production and is conducive to the application and industrial scale of LED energy-saving lighting products.
Owner:GUIZHOU GUANGPUSEN PHOTOELECTRIC
A polymer modified asphalt waterproof membrane for road and bridge and preparation method thereof
ActiveCN106739310BHigh temperature shear resistanceGood high temperature performance High temperature shear resistanceSynthetic resin layered productsLaminationBituminous waterproofingFilling materials
The invention relates to a high-polymer modified asphalt waterproof roll for roads and bridges. The high-polymer modified asphalt waterproof roll is manufactured in the way that a bank base layer (1) is used; modified asphalt coating and covering layers (2) and (3) are respectively bonded on the upper and lower surfaces of the bank base layer (1); an isolation layer (4) covers the upper surface of the modified asphalt coating and covering layer (2); an isolation layer (5) covers the lower surface of the modified asphalt coating and covering layer (3); each modified asphalt coating and covering layer is prepared from the following raw materials in percentage by mass: 38 to 44 percent of 90# asphalt, 11 to 17 percent of 200# asphalt, 5 to 8 percent of polypropylene, 1 to 3 percent of SBS, 4 to 6 percent of APAO, 2 to 3 percent of high-temperature modifiers, 15 to 17 percent of modification powder and 10 to 15 percent of filling materials. The product of the high-polymer modified asphalt waterproof roll has the advantages that the high-temperature resistant and low-temperature cracking resistant capability is high; the anti-aging capability is high; the joint deformation capability is high; the high-standard waterproof function is provided; meanwhile, the construction performance of the waterproof roll for roads and bridges is improved; the high-polymer modified asphalt waterproof roll is mainly used for pavement of cast asphalt concrete mixtures.
Owner:SHANGHAI ORIENTAL YUHONG WATERPROOF TECH
Waterproof material for electronic controller and preparation method thereof
InactiveCN107955478AStrong waterproof functionGood coatingAntifouling/underwater paintsPaints with biocidesEmulsionPhenols
The invention discloses waterproof material for an electronic controller and a preparation method thereof. The waterproof material is prepared from the following composition in weight percentage: 10%to 16% of pure acrylic emulsion, 12% to 20% of hydrophilic nano silicon dioxide, 1.2% to 2.8% of waterborne plastic quick-dry emulsion, 5% to 15% anhydrous sodium sulfite, 2.5% to 6.9% of mica titanium pearl powder, 1.5% to 3.2% of C18 fatty alcohol, 0.2% to 0.6% of phenol reagent and the rest of deionized water. The waterproof coating disclosed by the invention is prepared from the pure acrylic emulsion, the hydrophilic nano silicon dioxide, the waterborne plastic quick-dry emulsion, the anhydrous sodium sulfite, the mica titanium pearl powder and the C18 fatty alcohol according to a specificproportion; the waterproof coating has a stronger waterproof function; furthermore, the coating has no color, transparency and good coating performance; all the ingredients are non-toxic ingredients.The waterproof coating disclosed by the invention can be directly covered to mobile phone circuit boards or mobile phone casings in coating modes of brush coating, spray coating and the like, so thatwaterproof and dustproof effects are achieved; the waterproof coating has the advantages of simple preparation technology and simpleness and convenience in operation; production cost of mobile phoneproduct is reduced.
Owner:无锡南理工新能源电动车科技发展有限公司
A kind of method that improves montan wax and redox sodium, sulfuric acid redox reaction rate
ActiveCN103897735BReduce surface tensionReduce interfacial tensionTanning treatmentMineral wax recovery/refiningReaction rateReaction temperature
The invention discloses a method for improving the rate of oxidation-reduction reaction of lignite wax with sodium bichromate and a sulfuric acid. The method comprises the following steps: orderly adding sodium bichromate and water to a reaction kettle according to the mass ratio of 1:(2-4), and agitating so that the sodium bichromate is completely dissolved; slowly adding concentrated sulfuric acid to the reaction kettle according to the mass ratio of the sodium bichromate to the concentrated sulfuric acid being 1:(1.5-2.0), wherein the reaction temperature is 30-50 DEG C and the reaction time is 10-20 minutes; secondly, adding a surfactant to the reaction kettle according to the mass ratio of the sodium bichromate to the surfactant being 1:(0.0001-0.0005), wherein the reaction temperature is 30-50 DEG C and the reaction time is 10-20 minutes; adding lignite wax to the reaction kettle according to the mass ratio of sodium bichromate to lignite wax being 1:(0.4-0.7), wherein the reaction temperature is 100-110 DEG C and the reaction time is 2-4 hours; and after complete reaction, separating and drying to obtain light S wax and chromium powder. The method provided by the invention is simple in process and has significant effect and good industrial popularization value.
Owner:QUJING ZHONGYI FINE CHEMICAL INDUSTRY CO LTD
Waterproof structure for pipeline penetrating through underwater outer wall
The invention relates to a waterproof structure for a pipeline penetrating through an underwater outer wall. The waterproof structure comprises a water preventing wall and a through-wall pipeline. Thestructural system comprises three stages of waterproof structures which include the first-stage waterproof structure, the second-stage waterproof structure and the third-stage waterproof structure, wherein the first-stage waterproof structure is formed by putting water preventing filler to the position between a sleeve pipe and the through-wall pipeline; the second-stage waterproof structure is formed by an outer wall coiled material waterproof layer buried in polysulfide sealant; and the third-stage waterproof structure is formed by a pipe root coiled material waterproof reinforcement layercovering the outermost side.
Owner:ZHENGZHOU WATER CONSTR ENG CO LTD
Method for preparing super-hydrophobic coating
InactiveCN111410914AImprove waterproof functionStrong waterproof functionAntifouling/underwater paintsPaints with biocidesPolymer sciencePolymer chemistry
The invention discloses a method for preparing a super-hydrophobic coating, which relates to a method for preparing the super-hydrophobic coating. The invention mainly aims to solve the problem of poor waterproof effect of the existing waterproof paint. The raw materials used in the method comprise a coating, a coating auxiliary agent, water and a nano super-hydrophobic emulsion, and the coating,the coating auxiliary agent, the water and the nano super-hydrophobic emulsion are mixed and uniformly stirred. The coating additive accounts for 1%-50% of the weight of the coating, the effective active matter of the nano super-hydrophobic emulsion accounts for 0.1%-20% of the total weight of the coating and the coating additive, the concentration of the effective active matter of the nano super-hydrophobic emulsion is 1%-70%, and the adding proportion of the water is the viscosity required when a conventional coating is brushed. An alkaline auxiliary agent can be added. The alkaline auxiliary agent accounts for 0.1-20% of the weight of the coating. The invention has the advantages that the coating has water-repellent, dirt-repellent and self-cleaning functions which are not possessed bycommon waterproof paint, and the surface is kept clean for a long time and is not easy to stain.
Owner:疏科纳米疏水科技(嘉兴)有限公司
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