501results about How to "Simple coating process" patented technology

The invention provides a super-hydrophobic nanometer transparent coating and a preparation method thereof and belongs to the technical field of super-hydrophobic paint. The method includes the steps that firstly, a first category of inorganic nanometer particles are added into an organic solution, and ultrasonic dispersion is performed; secondly, dispersing agents and a second category of inorganic nanometer particles are added, and ultrasonic dispersion is performed so that a dispersion solution can be obtained; crosslinking agents and additives are added in the dispersion solution, ultrasonic dispersion is performed, finally, low-surface energy polymers are added, mixtures are evenly mixed, and transparent and clear super-hydrophobic paint is obtained; the surface of a solid base materials is coated with the transparent and clear super-hydrophobic paint, and the super-hydrophobic nanometer transparent coating is obtained through low-temperature thermal drying and curing. The super-hydrophobic performance of the super-hydrophobic nanometer transparent coating prepared through the method is excellent, the contact angle can be 160 degrees, the rolling angle is 1-7 degrees, the super-hydrophobic nanometer transparent coating can be sprayed to the surfaces of most of common materials, the morphology of the surfaces of the materials are not changed, and the application prospects and the application potency are very wide.

The invention discloses a method of plating Nickel with magnalium alloy without cyanogen and the plating technique. The direction for the plating solution is: 20 to 80g.dm-3 of copper charred phosphate; one or several of the 60 to 320g.dm-3 of sodium charred phosphate or Potassium charred phosphate or 60 to 250g.dm-3 of sodium citric acid, 5 to 20g.dm-3 of Potassium sodium tartaric acid, 60 to 250g.dm-3 of HEDP and 60 to 250g.dm-3 of amine ethylene; one or several of the 5 to 20g.dm-3 of hydrogen amine di-fluorin or 5 to20 g.dm-3 sodium fluoride or 5 to 20g.dm-3 of Potassium fluoride or 5 to 20g.dm-3 of lithium fluoride. The plating solution chooses the nickel sulfate or alkali type nickel carbonate or nickel acetic acid as the main salt and adds the reducing agent, combination agent and stabilization agent. The plating technique adopts the acid plating copper-plating three nickel-plating chromium. The invention has little pollution to the environment, high binding power and erosion-proof property.

The invention provides a preparation method of an epoxy-modified insulated thermal-conductive high-temperature resistant organosilicon coating, comprising the following steps: preparing raw materials; synthesizing an organosilicon pre-polymer; synthesizing an epoxy-modified organosilicon resin; and preparing the epoxy-modified insulated thermal-conductive high-temperature resistant organosilicon coating. The invention also provided the epoxy-modified insulated thermal-conductive high-temperature resistant organosilicon coating prepared by the method. The coating is composed by the epoxy modified organosilicon resin, fillers, a coupling agent and solvents. The coating prepared by the method in the invention takes account of insulation, thermal-conductivity, and high-temperature resistance at the same time, has coating adhesion of first level, hardness of 5H, a breakdown voltage of 1800V/0.5mA, 2 seconds, a heat transfer coefficient of larger than 100W/(m<2>.K), and no obviously changed coating at a temperature of 250 DEG C for 24 hours, therefore the coating can be widely used in various industrial equipment and household appliances.

The invention discloses a three-dimensionally wrapped packaged LED (Light Emitting Diode) chip, which is characterized in that six planes of a vertically packaged or inversely packaged single LED chip or series-parallel connected LED chips are coated with fluorescent powder and are fixed by using transparent materials at the periphery, so as to carry out three-dimensional packaging; or a single LED chip or a plurality of series-parallel connected LED chips adopt a vertical or inverse structure and are put into a spherical or tubular shell made of transparent materials; the LED chips are wrapped three-dimensionally by coating a fluorescent powder layer on the inner wall of the shell or mixing the fluorescent powder into the transparent materials; or the LED chips are firstly wrapped by using transparent materials, and subsequently the fluorescent powder is coated on the transparent materials; or the three-dimensional wrapping is carried out by adding a layer of transparent shell material after the coating of the fluorescent powder so as to protect the fluorescent powder. The chip has the beneficial effects that a simplest fluorescent powder wrapping process is adopted so as the make the LED chip emit light in all directions; and in comparison with a traditional single side light emission mode, the loss on light emission of the LED chip is reduced.

The invention discloses a modified high-nickel positive electrode material coated with a fast ion conductor and a preparation method of the modified high-nickel positive electrode material. The high-nickel positive electrode material comprises a substrate, wherein the substrate is a compound LiNi<1-x-y>Co<x>Mn<y>M<z>O<2> shown in a formula I, in the formula I, x is more than 0 but less than or equal to 0.20, y is more than 0 but less than or equal to 0.20, z is more than 0 but less than or equal to 0.1, and M is arbitrary one or more of elements of Al, Mg, Ti, Zr, Mn, Ni, Sn, Co, Zn, W, Mo, Ru, Ca, Sr, Ba, B, Y, V and Nb. The preparation method comprises the following steps of washing and drying the high-nickel positive electrode material, uniformly mixing the high-nickel positive electrode material and an appropriate amount of coating agent, and performing sintering and sieving to obtain the modified high-nickel positive electrode material coated with the fast ion conductor. The fastion conductor is coated by washing and surface drying methods, the alkali amount of a surface of the positive electrode material is reduced, side reaction of the material and an electrolyte is reduced, and the high-temperature stability and the safety of the material are improved; and by doping and coating the surface with the fast ion conductor, the energy density, the rate performance and the cycle property of the material are improved, and the long cycle lifetime of a battery is finally prolonged.

The invention discloses a nano-paste, a self-cleaning coating liquid and a thermal insulating coating liquid as well as transparent substrates and preparation methods thereof. The formula of the nano-paste comprises the following components in parts by weight: 5-25 parts of nano-powder, 1-25 parts of wetting agent, 1-25 parts of active dispersant and 10-200 parts of dispersion medium, wherein the nano-powder is a photocatalyst powder or a thermal insulating powder; the solid content of the nano-powder is 5-50wt%; the particle size distribution of particles in the nano-paste is 10-200 nanometers. The self-cleaning coating liquid and the thermal insulating coating liquid are obtained by firstly preparing stable nano-photocatalyst paste and nano-thermal insulating paste and then compounding the stable nano-photocatalyst paste and nano-thermal insulating paste with film forming matters such as inorganic sol and organic resin. The coating liquids can be applied to the surfaces of different transparent substrates by use of a plurality of different construction methods, so that transparent materials having double functions of self-cleaning and thermal insulation can be obtained; as a result, large-scale preparation of multifunctional transparent coated materials, such as multifunctional coated glass, is realized.

The invention relates to a monolithic catalyst for catalytic combustion of toluene waste gas and a preparation method thereof. The catalyst is composed of a honeycomb ceramic carrier, gamma-Al2O3 coat on the carrier and non-noble metallic Cu/Mn/Ag composite oxide. The catalyst is prepared by the following steps: coating the aluminum sol on the cordierite honeycomb ceramic carrier to produce the gamma-Al2O3 coat after drying and baking, weighing a certain amount of nitrate of Ag, Cu and Mn to prepare the mixed solution, loading the solution on the monolithic carrier which is coated on the active coat by incipient impregnation method and obtaining the monolithic catalyst after drying, baking and other post treatment. The ignition temperature of the catalyst to toluene can be lower than 135 DEG C and the full conversion temperature can be lower than 262 DEG C. Compared with the generally used noble metallic catalyst, not only the monolithic catalyst in the invention has high catalytic activity, but also the effective utilization is high and the cost is greatly lowered by adopting incipient impregnation method for active components loading.

The present invention relates to a slow-release composite fertilizer, which comprises, by weight, 40-60 parts of urea, 10-30 parts of monoammonium phosphate or calcium carbonate, 10-35 parts of potassium chloride or potassium sulfate, 5-30 parts of a pelletizing additive, 3-5 parts of nano-scale chitosan modified attapulgite, 1-2 parts of a nano-scale chitosan film coating agent, and 10-40 parts of a water-retaining agent, wherein the slow-release composite fertilizer further comprises 1-10 parts by weight of water quenching slag. With the present invention, the slow-release composite fertilizer is provided, wherein the slow-release composite fertilizer has the following advantages that: the fertilizer effect release rate can be controlled according to the requirements on nutrients by crops at different growth stages, the nutrients can be provided for the crop growth timely and properly, the fertilizer utilizing rate is high, the film coating material is easy to degrade, the benefit is provided for the environmental protection, and the slow-release composite fertilizer of the present invention is suitable for the field crops.

Compliant coatings for insertable medical articles are provided. In some aspects, the coating includes a diene polymer-containing layer, and a second coated layer that includes another polymer. The coating can be formed by coupling the polymer of the second coated layer to the first coated layer via latent reactive groups, such as photoreactive groups. In other aspects, the insertable medical article has a coating that provides different functional features to different surfaces of the article. The medical article can have a cylindrical shape with an interior surface having a first coating, and an exterior surface with a second coating, wherein the article also includes a plurality of openings.

A seal coated plastic container for dispensing a pressurized product such as an aerosol or pressurized liquid, gel, or foam. The seal coating is applied to the exterior surface of the plastic container and effectively inhibits migration of non-liquefiable gas propellants and oxygen through the walls of the container. The plastic bottle is composed of a gas permeable polymeric material such as a polyolefin, polyester, or nylon or polycarbonate, and the seal coating is composed of at least one layer of a barrier material which has a low permeability to the non-liquefiable gas used as the propellant, i.e. the seal coating exhibits a high resistance to the passage of the non-liquefiable gas therethrough. The preferred polymeric material for the plastic bottle is polyethylene terephthalate, and the preferred seal coating is an epoxy-amine. The seal coating provides a coating of the barrier material that is about 0.005 to about 0.025 mm thick, but yet can greatly extend the shelf life of pressurized products such as an aerosol.

The invention relates to an aqueous single-coating matt transferring aluminum-plating paint and a preparation method thereof. The paint comprises the following components in parts by weight: 20-70 parts of aqueous resin, 10-70 parts of deionized water, 0.5-2 parts of delustering powder, 5-30 parts of cosolvent, 0-10 parts of pigment, 0-2 parts of pH value regulating agent, 0-0.5 part of wetting agent, 0-0.2 part of flatting agent and 0.05-0.2 part of defoaming agent. Compared with the prior art, the aqueous single-coating matt transferring aluminum-plating paint has the advantages of excellent delustering property, simple production process and the like, and is environmentally-friendly.

The invention discloses a full-automatic resin lens coating spraying machine. The full-automatic resin lens coating spraying machine comprises a workbench, and an automatic lens conveying mechanism, a rotation transmission device and a spraying device arranged on the workbench, the automatic lens conveying mechanism comprises a lens conveying device and a lens output device, the outer side of each of the lens conveying device and lens output device is provided with a lens clamp device for connecting with the rotation transmission device, the rotation transmission device runs through a rotating plate device and an adjusting transmission device, the rotating plate device is provided with a gripping device, the spraying device is a spraying barrel located at the bottom end below the gripping device and provided with a vertical displacement device, and the full-automatic lens coating spraying machine is provided with a programmed control system to perform automatic control to finish the lens coating. The lens coating machine combines with spraying liquid to spray the lens, and then the lens is conveyed to an ultraviolet oven or an infrared oven to cure to finish the lens coating; the full-automatic resin lens coating spraying machine is simple in structure, small in volume, simple in coating technique, easy to operate and maintain, high in production efficiency and suitable for most of factories and eyeglasses stores.

The invention discloses a measuring device and measuring method for film photo-thermal property. Based on the original surface thermal lens technology, the modulation frequency of pumping light beams is changed, so that the amplitude of detecting signals and the relationship of phase signals changed along with the frequency can be obtained. The relationship and the calculated result of the theoretical model are compared, and then some important information of the inner part of the film can be obtained. In the invention, not only can the absorption rate of the film be measured, but also the thermal conduction rate of a single-layer film and the deep indexing of some strong absorption impurities can be measured, so that the comprehensive evaluation on the photo-thermal property of the film can be conducted, and greater auxiliary action on the aspects of optimizing film coating process, seeking injury mechanisms and the like can be achieved.

The present invention belongs to the field of pharmaceutical industry and relates to a process for coating a particle comprising a pharmaceutically active ingredient (API) comprising the steps of providing a composition comprising carbonate ions, phosphate ions, or a mixture thereof, providing a particle comprising an API, and precipitating a carbonate salt, a phosphate salt or a mixture thereof onto said particles.

The present invention is also directed to a particle comprising an API, wherein the particle is coated with a coating comprising a carbonate salt, phosphate salt, or mixture thereof, and to a pharmaceutical composition comprising said particles.

Moreover, the present invention is also directed to the use of said particles for preparing a medicament,

The invention discloses a lithium ion battery anode material and a manufacturing method of the lithium ion battery anode material. The anode material is cobalt nickel oxide manganese with a layer structure and has the chemical composition of LiNil-x-yCoxMnyO2, wherein x is equal to and larger than 0.15 and is equal to and less than 0.3, and y is equal to and larger than 0.2 and is equal to and less than 0.4. The manufacturing method provided by the invention has the following steps: the cobalt nickel oxide manganese powder is manufactured through a coprecipitation method, metal phosphate is adopted as a cladding material with the cladding quantity as 0.5-1.5% of the anode material; and the cobalt nickel oxide manganese is externally cladded by zinc phosphate through fluidization. The cladded battery material after modification with the manufacturing method has high special capacity and has good cycling stability at high temperature.

The present invention discloses a preparation method of a cationic organosilicon modified waterborne PUA fabric coating adhesive with a self crosslinking structure, the method is as follows:(1)using polyisocyanate and hydroxyl-terminated polysiloxane for synthesis of an-NCO-group-terminated prepolymer;(2)adding polyether or polyester glycol for reaction;(3)reacting with a cationic hydrophilic chain extender for a period of time, and further reacting with adipic dihydrazide(ADH)to obtain a hydrazine-terminated cationic waterborne polyurethane emulsion;(4)using acrylate monomers and diacetone acrylamide(DAAM)for preparing a hydrazide-group-containing polyacrylate emulsion; and(5)mixing the hydrazine-terminated cationic waterborne polyurethane emulsion and the hydrazide-group-containing polyacrylate emulsion in a certain proportion to obtain the self-crosslinking cationic organosilicon modified waterborne PUA fabric coating adhesive. The self-crosslinking cationic organosilicon modified waterborne PUA fabric coating adhesive avoids the use of a harmful crosslinking agent, has the advantages of being environmental-friendly, high in water pressure resistance, good in mechanical properties, low in cost, and dyeable and the like, and can be used for coating finishing of nylon fabrics.

The invention is a coating apparatus including: a substrate-holding part that holds a substrate horizontally; a chemical nozzle that supplies a chemical to a central portion of the substrate horizontally held by the substrate-holding part; a rotation mechanism that causes the substrate-holding part to rotate in order to spread out the chemical on a surface of the substrate by a centrifugal force, for coating the whole surface with the chemical; a gas-flow-forming unit that forms a down flow of an atmospheric gas on the surface of the substrate horizontally held by the substrate-holding part; a gas-discharging unit that discharges an atmosphere around the substrate; and a gas nozzle that supplies a laminar-flow-forming gas to the surface of the substrate, the laminar-flow-forming gas having a coefficient of kinematic viscosity larger than that of the atmospheric gas; wherein the atmospheric gas or the laminar-flow-forming gas are supplied to the central portion of the substrate.

The invention discloses a slow/controlled-release compound fertilizer suitable for field crops, which belongs to a mixed fertilizer capable of controlling the release rate of nutrient components. A preparation method for the compound fertilizer is characterized by comprising two key processes of melting granulation and tumbling coating, namely preparing internal slow-release compound fertilizer granules by melting granulation and then obtaining the slow/controlled-release compound fertilizer by irregular granule speed change and tumbling coating. The slow/controlled-release compound fertilizer comprises the following raw materials in percentage by weight: 35 to 65 percent of urea, 9 to 36 percent of monoammonium phosphate or triple superphosphate, 8 to 40 percent of potassium chloride or potassium sulfate, 1 to 38 percent of granulation accessories, 3 to 5 percent of nano chitosan modified attapulgite and 1 to 2 percent of nano chitosan coating agent. The slow/controlled-release compound fertilizer suitable to be applied to the field crops can control the release rate of the fertilizer effect according to the requirements of different stages of crop growth for nutrients, duly and properly provides the nutrients for the growth of the crops, has high utilization rate, facilitates the degrading of a coating material, and is favorable for environmental protection.

The invention discloses a self-cleaning superhard polysilazane hydrophobic coating and a preparation and use method thereof, and belongs to the technical field of super-hydrophobic coatings. The self-cleaning superhard polysilazane hydrophobic coating is prepared from the following components in parts by weight: 5 to 25 parts of organic-inorganic hybridized polysilazane, 15 to 30 parts of hydrophobic acrylate resin, 5 to 15 parts of nanometer silicon dixoide and 40 to 250 parts of organic solvent. The self-cleaning superhard polysilazane hydrophobic coating has the advantages that the excellent superhard, super-hydrophobic, scratch-resistant, abrasion-resistant and high-adhesion properties of a coating are realized; the defects of easiness in cracks, voids and the like in the inorganic polysilazane coating along with the increase of coating thickness are overcome; the problem of low hardness of the organic polysilazane is solved; the coating has the advantages that the hardness is high, the adhesion force is high, the easiness in falling and cracking of the coating is avoided, and the abrasion-resistant and scratch-resistant properties of the coating are ensured; the preparation technology is simple, the implementing is easy, and the preparation technology is suitable for widely popularized and applied.

The invention belongs to the field of functional materials and relates to a ZnO-based transparent conductive film co-doped with Al-F and a preparation method thereof. The method is characterized in that the method comprises the following steps of: 1) firstly preparing a ZAFO target material, uniformly mixing AlF3, Al2O3 and ZnO powders to prepare the ZAFO target materials with different F contents respectively, wherein the ZAFO target materials contain, by weight percent (wt%): 0.5-3.0 of Al, 0.82-3.28 of F and the balance of ZnO; and 2) installing the prepared ZAFO target materials in the vacuum chamber of radio-frequency magnetism-controlled sputtering deposition equipment; utilizing a mechanical pump and a molecular pump to pump the vacuum chamber so that the vacuum degree is less than 3 multiplied by 10Pa; simultaneously, heating the substrate to the temperature of 25 DEG C-500 DEG C; adjusting the deposition process parameters and preparing the ZAFO transparent conductive film on the substrate by the radio-frequency magnetism-controlled sputtering. The method simplifies the coating process and improves the conductivity of the film and the transmittance of the visible light.