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35results about How to "Has a hydrophobic effect" patented technology
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Elastic smell-clearing full-effective latex paint and preparation thereof
The invention discloses elastic odor removing total effect latex paint, which comprises the following components: elastic latex, nano-antifoulant, nano-odor removing agent, negative ion material, titanium dioxide, stuffing, deionized water, antifoaming agent, dispersant, pH conditioning agent, film forming additive, antiseptic, anti-mildew agent and rheological thickener, and the invention also discloses the preparation method of the elastic odor removing total effect latex paint. The elastic odor removing total effect latex paint is a novel latex paint integrated with multi-function, which has the advantages that the stain resistance is excellent, the latex paint is easy to be cleaned because the latex paint has the hydrophobic effect similar to a lotus leaf, the negative ion can be released in a long term, the harmful gas can be dispelled, and the odor is fragrant, the latex paint is provided with elasticity, the line crack can be covered, the water leakage resistance and the adhesive force are strong, the latex paint is anti-scrubbing, the adhesive force is strong, and the hand feeling is exquisite and sleeky; the latex paint is an environment protective product of zero VOC and no odor; the construction is convenient; the preparation method is simple, and the latex paint is easy to be produced in large scale.
Owner:WUXI HUHUANG PAINT
Metal-CO2 battery
ActiveCN107359386AIncrease capacityReduce overpotentialFuel and secondary cellsCell electrodesComposite electrodeSurface projection
The invention discloses a metal-CO2 battery. The metal-CO2 battery comprises a positive electrode, a negative electrode, an organic electrolyte and a separator, wherein the positive electrode is an IrO2 / MnO2 composite electrode with a hierarchical structure, comprises sheet-shaped MnO2 and also comprises nanometer IrO2 particles, the sheet-shaped MnO2 is directly grown on a substrate, strip-shaped MnO2 also covers a surface of the sheet-shaped MnO2, the nanometer IrO2 particles are uniformly loaded on the surfaces of the sheet-shaped MnO2 and the strip-shaped MnO2, and the negative electrode is selected from an alkali metal electrode subjected to surface protection processing. The invention discloses the metal-CO2 battery, the IrO2 / MnO2 composite electrode with the hierarchical structure is used as the positive electrode, the alkali metal electrode subjected to surface projection processing is used as the negative electrode, electric energy is generated by greenhouse gas CO2, and the metal-CO2 battery obtained by assembly shows low polarization, high capacity and long cycle lifetime.
Owner:ZHEJIANG UNIV
Graphene/carbon nanotube cement-based waterproof material and preparation method thereof
The invention discloses a graphene / carbon nanotube cement-based waterproof material and a preparation method thereof. The waterproof material is prepared from the following raw materials in parts by weight: 1.2-2 parts of an aqueous solution and 15-25 parts of powder, wherein the aqueous solution is prepared from the following materials in parts by weight: 0.005-0.03 part of graphene, 0.005-0.3 part of a carbon nanotube, 0.8-1.2 parts of water, 0.1-0.3 part of a dispersing agent and 0.1-0.3 part of a defoaming agent; and the powder is prepared from the following materials in parts by weight: 6-9 parts of portland cement, 12-14 parts of silicious fine sand, 0.6-1 part of an industrial residue, 0.8-2 parts of a superfine silica mineral admixture, 1.5-3.5 parts of a silica mineral admixture, 1.2-2.2 parts of bentonite and 0.1-0.4 part of a reductive water reducing agent. The graphene / carbon nanotube cement-based waterproof material has the advantages that firstly, the graphene / carbon nanotube cement-based waterproof material has good impermeability and good impervious self-healing ability and the service life is prolonged; and secondly, the waterproof material can form a compact surface enhancement layer on the surface of a concrete structure, can play a waterproofing role, and is capable of reducing the carbonization depth of concrete.
Owner:HOHAI UNIV
Toilet-flushing type biodegradable collection bag
The invention provides a biodegradable collection bag, in particular provides a flushing-type biodegradable collection bag which has certain water resistance and can be rapidly softened or smashed by a larger current rush. The flushing-type biodegradable collection bag is made from a film which is made from processing materials comprising polyvinyl alcohol resin, a packing material, a natural polymer material, a plasticizer and the like. The flushing-type biodegradable collection bag organically combines the water resistance and the flushability of the film, and meets the flushability and biological degradability while having certain water resistance. The biodegradable collection bag can not be dissolved and broken while being used for collecting dunghill with certain moisture such as feces of patients, puke and feces of pets, and can be rapidly softened and smashed to be flushed into a sewage pipe after being put into a toilet to contact with a large amount of water, and finally the biodegradable collection bag can be completely biodegraded in a septic tank.
Owner:JIANGMEN PROUDLY WATER SOLUBLE PLASTIC CO LTD
Preparation method of enamel surface coatings with hydrophobic effect
InactiveCN101422774AGood chemical stabilityImprove the protective effectPretreated surfacesCoatingsRoom temperatureDip-coating
The invention relates to a method for preparing an enamel surface coating with hydrophobic effect. The method includes the following steps of: (1) cleaning an enamel substrate by using deionized water and drying the enamel substrate in a drier; (2) preparing sol by mixing Si(OC2H5)4, C2H5OH, H2O, HCl and DMF with the mol ratio of 1 to 2.5:2 to 5:3 to 8:0.1 to 0.4:1 to 4, stirring the mixture for 1-2h at the room temperature, and adding a hydrophobing agent to obtain the pH value ranging from 1 to 4; (3) seasoning the sol at the room temperature for 8-12 days; and (4) adopting a dip coating method to dip the enamel substrate in the step (1) in the sol and to vertically lift and pull the enamel substrate, and keeping the temperature of the enamel substrate at the temperature ranging from 60 DEG C to 200 DEG C for 5-20h, and obtaining the enamel surface coating after cooling. The material of the enamel surface coating with the hydrophobic effect has high combination strength, the contact angle can reach 140 degrees, the hydrophobic effect is good and can be kept for long time, the preparation method is simply and conveniently operated, and the production cost is low.
Owner:DONGHUA UNIV
Waterborne fluorine silicone resin modified acrylic acid concrete protective coating
ActiveCN102993946AGood weather resistanceImprove hydrophobicityAntifouling/underwater paintsPaints with biocidesDefoaming AgentsMaterials science
The invention relates to a waterborne fluorine silicone resin modified acrylic acid concrete protective coating. The concrete protective coating comprises 10-20 parts of a fluorine emulsion, 20-40 parts of a silicone resin emulsion, 10-20 parts of a soap-free pure acrylic emulsion, 5-10 parts of sericit, 5-15 parts of talcum powder, 5-1 parts of ground calcium carbonate, 0.5-1.0 part of a dispersing agent, 0.05-0.2 part of a pHregulator, 0.3-0.5 part of a defoaming agent, 1.0-2.5 parts of propylene glycol, 0.5-2 parts of an antifungus and anti-mildew agent, 0.5-1.0 part of a thickening agent, 1.0-2.5 parts of a film-forming agent, 1.0-5.0 parts of a water repellent agent, 0.3-0.5 part of a flatting agent, 0.1-0.3 part of a tank bactericide and 30-45 parts of deionized water. The waterborne fluorine silicone resin modified acrylic acid concrete protective coating has the beneficial effects of weatherability, alkali resistance, washability, air permeability and mildew resistance. The concrete protective coating has a long-term protective effect for the concrete.
Owner:天津灯塔涂料工业发展有限公司
Highly hydrophobicuv (ultraviolet) leather surface treating agent and preparation method thereof
InactiveCN104479523AImprove hydrophobicityImprove oil stain resistanceFibre treatmentPolyurea/polyurethane coatingsPhotoinitiatorPrepolymer
The invention discloses a highly hydrophobicuv (ultraviolet) leather surface treating agent which comprises raw materials in percentage by weight as follows: 5%-85% of prepolymer, 10%-60% of an activated monomer, 0.01%-30% of aphotoinitiator, 1%-6% of a binder and 0.1%-10% of a thickener. The leather surface treating agent improves the hydrophobicity, oil rub resistance and scratch resistance of leather. The invention discloses a preparation method of the highly hydrophobicuvleather surface treating agent. The method is simple, reasonable in technological design, energy-saving, environment-friendly and suitable for large-scale production and application, and equipment use is simple.
Owner:佛山金智节能膜有限公司
Ultraviolet radiation-proof transparent high-barrier thin film and applications thereof
ActiveCN104175663APrevent surface adsorptionInviolableSynthetic resin layered productsChemical vapor deposition coatingUltravioletInorganic compound
The invention relates to an ultraviolet radiation-proof transparent high-barrier thin film and applications thereof. The ultraviolet radiation-proof transparent high-barrier thin film comprises a base material, after improvement, at least one gas barrier layer formed by an inorganic compound is plated on the base material, at least one nitrogen-doped titanium dioxide layer is plated on the gas barrier layer formed by the inorganic compound, the content of nitrogen in the nitrogen-doped titanium dioxide layer is 0.5-1%, and the total thickness of the nitrogen-doped titanium dioxide layer is 100-300nm. The absorptivity on UVA can reach more than 99%, the absorptivity on UVB can reach more than 99%, and contents can be effectively prevented and protected from being damaged by ultraviolet rays; the plating layers are thin, the thin film is good in flexibility, is non-friable during machining, and can keep high barrier property, and the transparency of the thin film can be kept reaching more than 80% of the transmittance of visible light so as to meet the requirement of packaging visualization. The ultraviolet radiation-proof transparent high-barrier thin film can be used in the fields of food and drug packaging, packaging of electronic devices, and the like.
Owner:LUCKY HUAGUANG GRAPHICS
Medical composite material as well as preparation method and application thereof
The invention provides a medical composite material and a preparation method and application thereof.The medical composite material comprises a second polymer, a plurality of first polymer silk threads and a plurality of bioactive glass fibers, the first polymer silk threads and the bioactive glass fibers are distributed in the second polymer, and the first polymer silk threads are arranged in parallel; and the bioactive glass fibers are arranged along the extending direction of the first polymer silk threads. The medical composite material provided by the invention is high in bending strength and high in elasticity modulus, can still keep high bending strength and elasticity modulus after being degraded for a long time, and is good in stability.
Owner:同光(昆山)生物科技有限公司
A kind of composite nano coating and preparation method thereof
InactiveCN102766395BEnvironmentally friendlyMildew proofPolyurea/polyurethane coatingsEpoxy resin coatingsSilicon dioxideFumed silica
Owner:DONGGUAN YUNCHENG PAINT
Spherical stain-resistant pin insulator preparation method
InactiveCN113480907ALower surface energyHas a hydrophobic effectCellulose coatingsPin insulatorsMeth-Acrylic resin
The invention discloses a spherical stain-resistant pin insulator preparation method, and relates to the technical field of insulators. The method comprises the steps: preparing an insulator body; preparing a stain-resistant coating material: drying modified nano hydrated silicon dioxide, modified nano silicon nitride and modified mica powder, adding the dried modified nano hydrated silicon dioxide, modified nano silicon nitride and modified mica powder into an organic silicon modified acrylic resin, uniformly mixing, grinding, continuously adding modified polytetrafluoroethylene wax emulsion, uniformly mixing to obtain a mixture I, adding aluminum borate whiskers, nanocrystalline cellulose and glass micro-beads added into modified styrene-acrylic emulsion, uniformly mixing to obtain a second mixture, uniformly mixing the first mixture and the second mixture, and then adding methyltris (methylethylketoximino) silane and ethyl acetate to prepare a stain-resistant coating material; and coating an insulator body with the stain-resistant coating material. According to the invention, that the prepared insulator has a stain-resistant effect and is not easy to generate pollution flashover.
Owner:江西东维电气有限公司
Waterproof PU leather and preparation method thereof
PendingCN114134721AGuaranteed waterproof performanceImproved dispersionTextiles and paperPolymer chemistryEngineering
The invention relates to the field of synthetic leather, and particularly discloses waterproof PU leather and a preparation method thereof. The waterproof PU leather comprises a base cloth layer and a surface layer which are sequentially arranged from inside to outside, the surface layer comprises the following substances in parts by weight: 80-100 parts of waterborne polyurethane, 1-3 parts of a stabilizer, 1-2 parts of a foaming agent, 5-25 parts of a water repellent agent and 3-5 parts of filler, the water repellent agent comprises nano silicon dioxide treated by a modification liquid, and the modification liquid comprises methyltriethoxysilane; the preparation method comprises the following steps: S1, preparing raw materials; s2, foaming treatment; and S3, leather preparation. The waterproof PU leather provided by the invention can be used in the fields of clothing, automotive trim, interior decoration and the like, and has the advantages of uniform waterproof effect, better water vapor permeability and low possibility of leaving water spots after water splashing.
Owner:KUSN ACHILLES ARTIFICIAL LEATHER
Glazing oil and preparation method thereof
The invention discloses a glazing oil and a preparation method thereof, and relates-the technical field of printing. The glazing oil comprises, by weight, 1105-1578 parts of comonomers, 1108-1568 parts of water, 80-138 parts of an emulsifier, 104-151 parts of sodium hydroxide and 94-121 parts of an initiator, wherein, the comonomers comprise methyl methacrylate, butyl acrylate, acrylic acid, acrylonitrile and hydroxyethyl acrylate; and the emulsifier comprises polyethylene glycol monomethyl ether methacrylate and / or sodium p-styrenesulfonate. The preparation method of the glazing oil comprisesthe following steps: S1, taking corresponding parts by weight of the comonomers, sodium hydroxide, the emulsifier and water, heating above obtained substances to achieve dissolve, and carrying out uniform mixing to obtain a seed emulsion; and S2, taking and adding the corresponding parts by weight of the initiator to the seed emulsion, and performing uniform mixing to obtain an emulsion polymer.The glazing oil has an improved levelability.
Owner:杭州创先彩印包装有限公司
Cage-type POSS-linear siloxane hybrid material suitable for sandstone cultural relic protection, and preparation method and application thereof
The invention discloses a cage-type POSS-linear siloxane hybrid material suitable for sandstone cultural relic protection and a preparation method and application thereof. The preparation method comprises the steps: dissolving cage-type octaglycidyl POSS in a mixed solution of acetone and absolute ethyl alcohol and evenly dispersing, and obtaining a cage-type octaglycidyl POSS dispersion solution; and adding a catalytic ring-opening agent and linear amino PDMS into the cage type octa-glycidyl POSS dispersion solution, stirring and heating to carry out a ring-opening reaction so as to obtain the cage type POSS-linear siloxane hybrid material. The protection requirements of sandstone cultural relics can be met.
Owner:XI AN JIAOTONG UNIV
Novel super-hydrophobic coating as well as preparation method and application thereof
InactiveCN108034286ANovel methodLow costAntifouling/underwater paintsAlkali metal silicate coatingsCorrosion preventionHydrophobic surfaces
The invention discloses a novel super-hydrophobic coating. The novel super-hydrophobic coating is prepared from glass cement, an organic solvent and super-hydrophobic SiO2 powder. A preparation methodcomprises the following steps: firstly, mixing the glass cement with the organic solvent to obtain a glass cement solution; secondly, adding the super-hydrophobic SiO2 powder into the glass cement solution to obtain suspension, namely the super-hydrophobic coating. The super-hydrophobic coating prepared by the preparation method disclosed by the invention has the advantages of better waterproof property, fouling resistance and easiness in cleanness; the novel super-hydrophobic coating can be applied to the fields of timber damp resistance, metal corrosion prevention, fog resistance and the like; in addition, the obtained super-hydrophobic coating is a transparent super-hydrophobic surface.
Owner:CHONGQING JIAOTONG UNIVERSITY
Preparation method of antiskid automobile foot mat
InactiveCN112440543AImprove flame retardant performanceEasy to cleanVehicle arrangementsLamination ancillary operationsFoot cushionMechanical engineering
The invention discloses a preparation method of an anti-skid automobile foot mat. The preparation method comprises the technological manufacturing processes of combination of leather and sponge, computerized embroidery, burr compounding, plate cutting, splicing, edge covering and finished product obtaining. The burr compounding means that a PE mixture (polyethylene mixture), EVA (ethylene-vinyl acetate copolymer) are combined with a leather sponge layer on a roller compounding machine according to a certain proportion. The anti-skid foot pad for the automobile has excellent anti-skid performance and is easy to clean, noise-proof and flame-retardant, the preparation method is simple, and the raw materials are cheap and easy to obtain.
Owner:池秀珠
Self-cleaning water-based finish-coat paint and preparation method thereof
InactiveCN111040534AStable in natureIncrease water repellencyAntifouling/underwater paintsPaints with biocidesAntifoam agentAntifreeze
The invention discloses self-cleaning water-based finish-coat paint and a preparation method thereof, and belongs to the field of paint. The self-cleaning water-based finish-coat paint comprises deionized water, a special emulsion for a finish coat, a self-cleaning functional material, a multifunctional auxiliary agent, a dispersing agent, a filming aid, an antifoaming agent, an antifreezing agent, a preservative and a thickening agent. The special emulsion for the finish-coat is used as a main film forming matter and is matched with the modified nano titanium dioxide material to form a paintfilm surface layer and a hydrophobic inner layer with a hydrophobic effect, so that the finish-coat paint for the outer wall has relatively high pollution resistance. The finish-coat paint has good air permeability and waterproofness, the situation that the exterior of a building is damp and the interior of the building is wet is effectively avoided, under the natural condition, the finish-coat paint can achieve the self-cleaning effect through rain wash, and a good environment is provided for living of people. Meanwhile, the production process of the self-cleaning water-based finish-coat paint is simple and efficient.
Owner:HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
Toilet cover with drainage function and preparation method thereof
The invention discloses a toilet cover with a drainage function, and relates to the toilet cover. The toilet cover comprises polypropylene A, polypropylene B, polypropylene C, a flame retardant, a newwater agent, talcum powder, an antioxidant, titanium dioxide, black powder, titanium yellow and iron brown, has a certain drainage effect, can effectively prevent the toilet cover from being contaminated by stains or dirt during the actual use and ensure the toilet cover to be clean, and further can bring beauty and provides a lot of convenience to a user.
Owner:SHENZHEN HUA WAN CAI IND
Modified sealing agent, anti-corrosion coating and method for preparing anti-corrosion coating
PendingCN114773885AHas a hydrophobic effectExcellent and long-lasting anti-corrosion and anti-corrosion effectLiquid surface applicatorsAnti-corrosive paintsCarbon monofluoridePhysical chemistry
The inventive concept provides a modified sealant, an anti-corrosion coating, a method of making the anti-corrosion coating, and a cookware including the anti-corrosion coating. The modified sealing agent comprises a carbon fluoride material and a sealing agent, the carbon fluoride material comprises at least one of graphite fluoride and graphene fluoride, and the anti-corrosion coating comprising a sealing layer prepared by using the modified sealing agent of the inventive concept has an excellent and lasting anti-corrosion effect.
Owner:WUHAN SUPOR COOKWARE
Hydrophobic tent fabric
InactiveCN108842464AWaterproofHas a hydrophobic effectLiquid repellent fibresLinoleumVegetable oilNonwoven fabric
The invention discloses a hydrophobic tent fabric which comprises the following components in percentage by mass: 38-50% of fabric base, 35-52% of hydrophobic fibres, and 10-20% of auxiliary materials, wherein the fabric base is a waterproof nonwoven fabric; the hydrophobic fibres are formed by mixing polypropylene fibres and acrylic fibres; and the auxiliary materials comprise the following components in percentage by mass: 33-45% of nano-silica, 30-45% of vegetable oil and 15-25% of porcelain glaze. The hydrophobic tent fabric has excellent water resistance and hydrophobicity, can effectively guarantee that the interior of a tent keeps dry in rainy days or in the humid environment all the time, further improves the comfortability in the tent, is relatively low in component cost and suitable for promotion use and has a good market prospect.
Owner:YANCHENG BREDA SPORTS GOODS CO LTD
Method for improving water resistance of putty
The invention discloses a method for improving water resistance of putty. The method comprises the following operation steps: (1) putting a modifier I into mixed putty, and rapidly stirring for 2-3 minutes, wherein the modifier I is theophylline; (2) adding a modifier II, rapidly stirring for 0.5-1.5 minutes, leaving to stand, and further slowly stirring for 3-5 minutes, wherein the modifier II issecondary amine; and (3) leaving to stand for 2-3 minutes, thereby obtaining the putty. The putty prepared by using the method is relatively good in water resistance, the added theophylline is alkaloid which acts with the putty and has a hydrophobic function, and a stabilization function is achieved under the subsequent action of the modifier.
Owner:TIANE HONGCHANG AGRI MACHINERY SPECIALIZED COOP
Environment-friendly superhydrophobic anti-impact epoxy resin powder coating and preparation method thereof
InactiveCN108424702AImprove anti-corrosion performanceGood chemical resistanceFireproof paintsAntifouling/underwater paintsEpoxyMaterials science
The invention relates to the technical field of coatings, and discloses an environment-friendly superhydrophobic anti-impact epoxy resin powder coating and a preparation method thereof. The environment-friendly superhydrophobic anti-impact epoxy resin powder coating comprises the following raw materials in parts by weight: 70-80 parts of modified phenolic epoxy resin, 20-30 parts of nano-clay, 15-20 parts of carbon black, 10-20 parts of aluminum nitride micro-particles, 0.2-0.5 parts of zinc oxide, 0.2-0.5 parts of sodium pentachlorphenate, 0.5-1 part of 2,4-dihydroxybenzophenone, 1-2 parts ofborax and 0.2-0.5 parts of p-phenylenediamine. The environment-friendly superhydrophobic anti-impact epoxy resin powder coating provided by the invention has advantages of relatively good impact resistance, heat resistance and water resistance, and environmental protection.
Owner:陈一明
A kind of glazing oil and its preparation method
The invention discloses a glazing oil and a preparation method thereof, and relates to the technical field of printing; the glazing oil comprises the following components in parts by weight: comonomer: 1105-1578 parts; water: 1108-1568 parts; emulsifier: 80‑138 parts; sodium hydroxide: 104‑151 parts; initiator: 94‑121 parts. Among them, comonomers include methyl methacrylate, butyl acrylate, acrylic acid, acrylonitrile, and hydroxyethyl acrylate; emulsifiers include polyethylene glycol monomethyl ether methacrylate and / or p-styrenesulfonic acid sodium. The glazing oil is prepared through the following steps: S1, take the copolymerization unit, sodium hydroxide, emulsifier and water of the corresponding parts by weight, heat and dissolve, and mix uniformly to obtain the seed emulsion; S2, take the initiator of the corresponding parts by weight Add it into the seed emulsion and mix evenly to obtain an emulsion polymer. The invention has the advantage of improving the leveling property of the glazing oil.
Owner:杭州创先彩印包装有限公司
Hydrophobic pavement coating material and preparation method thereof
InactiveCN111253863AHas a hydrophobic effectExtend your lifePolyether coatingsEpoxy resin coatingsEpoxyRoad surface
The invention relates to the technical field of road materials, in particular to a hydrophobic pavement coating material with good cohesiveness and toughness and a preparation method thereof. The hydrophobic pavement coating material is prepared by mixing a pavement binder and a hydrophobic modifier. The pavement binder is prepared by shearing a material A and a material B according to a weight ratio through a colloid mill. The material B is prepared by mixing hexadecyl trimethyl ammonium bromide, waterborne epoxy resin, cationic CR latex and water. The hydrophobic modifier is prepared by mixing nonylphenol polyoxyethylene ether, siloxane and water. The hydrophobic modifier is added into the pavement binder according to a weight ratio of 1: 10, and the hydrophobic modifier and the pavementbinder are uniformly stirred to obtain the hydrophobic pavement coating material. The hydrophobic pavement coating material is sprayed onto an original asphalt pavement, so that the asphalt pavementhas a hydrophobic effect, moisture is extruded out of capillary cracks of the original asphalt pavement and is gathered on the upper surface of the pavement in the form of water drops, and the purposes of preventing water invasion and prolonging the service life of the asphalt pavement can be achieved.
Owner:洛阳腾飞建设工程集团有限公司
Preparation method of enamel surface coatings with hydrophobic effect
InactiveCN101422774BGood chemical stabilityImprove the protective effectPretreated surfacesCoatingsRoom temperatureDip-coating
Owner:DONGHUA UNIV
Hydrophobic recycled aggregate ecological drainage brick and preparation method thereof
ActiveCN112876945AHas a hydrophobic effectImprove hydrophobicityCeramic shaping apparatusPolyamide coatingsCarbide siliconEnvironmental resource management
The invention relates to the field of resourceful treatment of building wastes, and particularly discloses a hydrophobic recycled aggregate ecological drainage brick and a preparation method thereof. The hydrophobic recycled aggregate ecological drainage brick comprises a bottom material layer, a surface material layer and a hydrophobic coating which are sequentially arranged, the hydrophobic coating comprises primer and finishing paint, and the primer is prepared from raw materials including epoxy resin, a curing agent and ethyl alcohol; and the finishing paint is prepared from the following raw materials in parts by weight: silicon carbide, hydrophobic nano silicon dioxide, tackifying resin, a stabilizer and ethanol. The preparation method comprises the following steps: S1, compacting the bottom material layer and the surface material layer, and maintaining; S2, stirring the raw materials of the primer and raw materials of the finishing paint respectively; and S3, spraying primer on the surface material layer, curing at room temperature, spraying finish paint on the basis of the primer after curing, and standing to form a hydrophobic coating, thereby obtaining the hydrophobic ecological drainage brick. The hydrophobic recycled aggregate ecological drainage brick has the advantage that the drainage effect of the drainage brick is improved.
Owner:深圳市宝安湾建筑废弃物循环利用有限公司
Hydrophobic UV-LED ink for glass and preparation method thereof
The invention provides hydrophobic UV-LED printing ink for glass, which is prepared from the following components in parts by weight: 25 to 30 parts of organic silicon modified polyurethane acrylate, 18 to 23 parts of polyurethane acrylate, 35 to 40 parts of a n-vinyl caprolactam reactive diluent, 7 to 10 parts of a photoinitiator, 2 to 5 parts of liquid polybutadiene, 3 to 6 parts of a filler and 1 to 3 parts of an auxiliary agent, wherein the n-vinyl caprolactam is used as an active agent, the liquid polybutadiene is used as a modifier, the components are mixed to prepare the UV-LED ink with strong hydrophobicity and good adhesive force, and the UV-LED printing ink has a very good protection effect after being coated on the surface of a glass substrate and has a very good application prospect.
Owner:中山市中益油墨涂料有限公司
Waterproof protective garment
PendingCN111826964AReduce surface tensionImprove hydrophobicityLiquid repellent fibresProtective garmentMethyl malonateDimethyl malonate
The invention relates to the technical field of garments and discloses a waterproof protective garment comprising a one-piece garment body. The surface of the one-piece garment body is treated with awaterproof finishing agent, and the waterproof finishing agent comprises the following components in parts by weight, including 20-30 parts of hydroxyl silicone oil, 10-15 parts of lauryl sodium sulfate, 5-6 parts of dimethyl malonate; 2-4 parts of glutaraldehyde and 60-80 parts of deionized water. The waterproof protective garment has the following advantages and effects that the hydroxyl silicone oil can endow clothes with water resistance and water repellency; the mixed emulsion of the hydroxyl silicone oil and the lauryl sodium sulfate enables a layer of hydrophobic film formed on the surface of the one-piece garment body, so that the surface tension is reduced, water and oil are difficult to wet the surface of the one-piece garment body, and the oil-repellent and water-repellent effects are achieved; the dimethyl malonate has a strong electron withdrawing group and is prone to having a similar aldol condensation reaction with the glutaraldehyde to achieve the purpose of increasinga carbon chain, and the number of carbon atoms of the mixed component is increased, so that the thickness of a hydrophobic layer formed on the surface of the protective garment is increased, the surface tension is reduced, and the hydrophobicity and the waterproof effect are improved.
Owner:浙江丑鸭实业有限公司
Easy-to-clean polypropylene material and preparation method thereof
Owner:SHENZHEN HUA WAN CAI IND
A metal-carbon dioxide battery
ActiveCN107359386BIncrease capacityReduce overpotentialFuel and secondary cellsCell electrodesComposite electrodeEngineering
The invention discloses a metal-carbon dioxide battery, comprising a positive electrode, a negative electrode, an organic electrolyte and a diaphragm, and the positive electrode has a hierarchical structure of IrO 2 / MnO 2 Composite electrodes, including flake-like MnO grown directly on substrates 2 , the flake MnO 2 The surface is also covered with banded MnO 2 , also including nano-IrO 2 particles, the nano-IrO 2 Particles uniformly loaded on flake MnO 2 and banded MnO 2 surface; the negative electrode is selected from alkali metal electrodes treated with surface protection. The invention discloses a metal-carbon dioxide battery, with hierarchical structure of IrO 2 / MnO 2 The composite electrode is the positive electrode, and the surface-protected alkali metal electrode is the negative electrode. The greenhouse gas carbon dioxide is used to generate electricity. The assembled metal-carbon dioxide battery shows low polarization, high capacity and long cycle life.
Owner:ZHEJIANG UNIV
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