178results about How to "Simplified coating process" patented technology

A polysaccharide coated carrier having a coating of at least two successive layers of polysaccharide. The first polysaccharide layer spontaneously associates with a second polysaccharide layer and, optionally, the carrier. Each successive layer of polysaccharide spontaneously associates with a preceding layer. Spontaneous association occurs due to the presence of oppositely charged functional groups on each layer of polysaccharide or due to a spontaneous reaction between the functional groups the layers. The carrier may be any surface such as a tube, microtitration plate, bead, particle or the like and is suitable for use in diagnostic or therapeutic methods.

A process and an apparatus are described for the treatment of wafers, in particular for the thinning of wafers. A wafer with a carrier layer and an interlayer arranged between the carrier layer and the wafer is also described, in which the interlayer is a plasmapolymeric layer that adheres to the wafer and adheres more strongly to the carrier layer than to the wafer.

A brazing filler metal sheet is prepared. The brazing filler metal sheet includes a brazing filler metal layer, a sticking material layer, and a released paper. The brazing filler metal layer includes a brazing filler metal. A coating material layer is laminated on the brazing filler metal layer. The coating material layer includes a mixture of coating material particles and a binder. As the coating material particles, MCrAlY particles and abrasive particles are used. The coating material layer is then dried, and the brazing filler metal sheet is cut (step S4), and adhered to a rotor blade. The rotor blade is heated, to melt the brazing filler metal. The brazing filler metal diffuses due to the heat treatment holding process. A solidified layer is then formed by cooling. This solidified layer is subjected to blasting to allow the cubic boron nitride particles to protrude.

The invention discloses a nitrogen-doped carbon-coated graphite negative electrode material and a preparation method thereof. The nitrogen-doped carbon-coated graphite negative electrode material is composed of the following raw materials in weight ratio: 80%-95% of graphite and 5%-20% of ionic liquid, wherein the outer surface of graphite is uniformly coated with the ionic liquid to form a core-shell type structure; the preparation method comprises the following steps: firstly coating, and then carbonizing. The graphite negative electrode material has relatively high compaction density, specific capacity and initial efficiency; the problem that an artificial graphite material is large in irreversible capacity loss and low in specific capacity when applied to real preparation of a lithium battery negative electrode is solved, and the rate capability and the circulating performance of a lithium ionic battery are greatly improved by doping with nitrogen; therefore, the material can be well applied to a power battery with high performance requirement. The preparation method disclosed by the invention is simple in process, convenient to operate and less in production equipment, thereby further reducing the cost; the method is convenient for popularization and application and suitable for large-scale production.

The invention relates to a secondary lithium ion battery positive active material with the surface coated with Li2O-2B2O3 as well as a preparation method thereof designed for solving the technical problem of electrochemical stability of the existing secondary lithium ion battery under high temperature. The positive active material has the design points: the transition metal lithium oxide particle positive active substance with the surface coated with Li2O-2B2O3, a conductive agent and a binder are present in weight percentages of: 96 to 10 percent, 2 to 5 percent, and 2 to 5 percent respectively. The preparation method comprises: LiOH-H2O, H3BO3 and transition metal oxides are under ball-mill mixing in a certain proportion, wherein, LiOH-H2O and H3BO3 are present in a molar ratio of 1: 2-1: 1, and the secondary calcination method is adopted to obtain a transition metal lithium oxide particle with the surface coated with Li2O-2B2O3. The surface physical and chemical characters of the positive active material are changed, and the preparation method is feasible and is applied to the development and application of similar products.

There is provided an antistatic laminate that can simplify the production of a polarizing plate and, at the same time, can satisfactorily meets requirements of IPS and VA modes. The antistatic laminate is adapted for use in polarizing plates and comprises a light transparent base material and an antistatic layer provided on said light transparent base material. The antistatic layer is not located on the upper part or above a polarizing element in said polarizing plate.

The invention relates to an electronic distance measuring apparatus for surveying, e.g. for measuring the distance from the apparatus to an object. The apparatus comprises: a) an objective lens (101), defining an optical axis (OA), b) at least two sources (111, 112) of structured light for transmitting beams (λ₁, λ₂) of separate wavelengths towards said object, said beams on reflection from said object received by the objective lens (101), (c) at least two receivers (141, 142) arranged outside a beam path (109) as defined by the objective lens (101), and adapted to receive said received beams (λ₁, λ₂) of structured light. Optical means comprising at least two dichroic surfaces (121a, 122a) are each arranged at a tilt angle (α₁, α₂) with respect to said axis (OA), said optical axis (OA) passing through said surfaces, at least one of said dichroic surfaces arranged on a plate (121, 122), said at least two dichroic surfaces (121a, 122a) adapted to reflect at least one of said received structured light beams (λ₁, λ₂), respectively, towards said receivers (141, 142).

The invention provides a nano microsphere niobium-based composite oxide used in lithium ion battery cathode materials and a preparation method of same. The niobium-based composite oxide has the following general formula: TiNb<2-x>M<x>O<7>-nN, wherein M is one or more selected from Zr, Mg, Al, Y, Ce and V; the N is one or more selected from TiO2, ZrO2, MgO, C, Al2O3, CeO2, Y2O3, Nd2O3, ZnO2, Nb2O5 and V2O5; 0 <= x <= 0.1 and 0 < n <= 0.1. Compared with the prior art, the TiNb<2-x>M<x>O<7>-nN has the advantages of both nano materials and micron materials and has excellent processing property. After doping and coating, a synthetic material is high in gram capacity and is excellent in cycle performance. The composite oxide is prepared from low-cost raw materials, is simple in producing process and is suitable for industrial production.

The invention discloses a method for preparing a lycoypene microcapsule. The method includes that lycoypene is prepared to be core materials and the core materials and wall materials are subjected to homogeneous emulsifying and spray drying. The wall materials are prepared by gelatins, sporoderm-broken ganoderma lucidum spore powders, cane sugars and skim milk powders, the weight ratio of the gelatins, the sporoderm-broken ganoderma lucidum spore powders, the cane sugars and the skim milk powders is 1:1:1:(1.2-1.6), and the core materials are prepared by the lycopene, salad oil and sucrose esters. According to the method for preparing the lycoypene microcapsule, a specific microcapsule technology is utilized to embed the lycoypene, the stability of the lycoypene microcapsule is improved, simultaneously the water solubility is improved, and the application field is widened.

The invention discloses a waterborne polyurethane binder. The preparation method of the waterborne polyurethane binder comprises the following steps of: reacting 20-50 parts of diisocyanate, 80-140 parts of polymer polyol, 0.5-2 parts of trihydric alcohol, 0.5-2 parts of dihydric alcohol, 4-10 parts of hydrophilic chain extender, 10-30 parts of cosolvent and 0.01-0.1 part of catalyst under the protection of nitrogen gas at 75-90 DEG C for 2-4 hours; then, adding 10-30 parts of amine terminated polyether chain extender for reacting at 70-80 DEG C for 2-3 hours; cooling to 30-40 DEG C, and then, adding 3-6 parts of neutralizing agent for reacting for 5-7 minutes; adding 200-500 parts of dispersing agent at the room temperature, and dispersing for 10-20 minutes while stirring at a high speed; and adding 1-2 parts of small molecular chain extender for reacting for 1-2 hours to obtain the waterborne polyurethane binder. The waterborne polyurethane binder disclosed by the invention has the advantages of better mechanical performance, water resistance and adhesive force, good low-temperature performance, high gloss and good gloss retention, is used for waterborne ink and acquires an excellent effect.

A semiconductor device includes a semiconductor chip generating heat, a pair of heat sinks, which face each other, to conduct heat from both surfaces of the chip, a pair of compressible insulating sheets, and a mold resin covering the chip, the heat sinks, and the sheets such that the sheets are exposed from the surface of the resin. The mold resin is prevented from covering the outer surfaces of the heat sinks, which are pressed by mold parts, and breakage of the chip is avoided during molding. The plates are insulated by the sheets, so no dedicated insulating sheets for the heat sinks are needed after the device is completed.

This invention pertains to a method of modifying polymeric coating materials by adding organosulfur compounds, so that the metallic substrates coated with the modified polymeric materials become more resistant to corrosion. The organosufur compounds are alkane thiols with a general formula R(CH₂)_nSH, where R represents H, NH₂, HOOC, and HO groups and n is in the range of 10 to 21. The reagents are designed to increase the adhesion between the polymeric coating materials and the metallic substrates, which may be conducive to increased corrosion resistance.

The invention relates in general level to a method for coating metal products including large surface areas. The invention also relates to coated metal products manufactured by the method. The coating is carried out by employing ultra short pulsed laser deposition wherein pulsed laser beam is scanned with a rotating optical scanner including at least one mirror for reflecting the laser beam. The invention has several both industrially and qualitatively advantageous effects such as high coating production rate, excellent coating properties and overall low manufacturing costs.

The invention provides a hydrophilic lubricating coating for a medical device and a preparation method of the hydrophilic lubricating coating. The preparation method comprises the following steps: (1)dissolving a monomer, a silane coupling agent and an initiator in water to form a mixed solution, and carrying out free radical polymerization reaction under ultraviolet irradiation to obtain a hydrogel precursor solution for preparing the hydrophilic lubricating coating; wherein the monomer is selected from one or a combination of at least two of acrylic acid, methacrylic acid, sodium acrylate and sodium methacrylate; (2) coating the surface of the medical device with the hydrogel precursor solution obtained in the step (1); and (3) heating and curing the medical device coated with the hydrogel precursor solution obtained in the step (2) to form the hydrophilic lubricating coating. The hydrophilic lubricating coating provided by the invention can form a firm covalent bond with the medical device, so that the surface of the medical device has super-lubricating and hydrophilic characteristics, and the characteristics are stable and long-acting; the preparation method is simple and easyto implement, the coating does not need to be prepared in situ on device, and the technological process is simplified.

A stress-reduced reflective optical element for a working wavelength in the soft X-ray and extreme ultraviolet wavelength range includes a first multilayer system (4) of at least two alternating materials (41, 42) having different real parts of the refractive index at the working wavelength on a substrate (2), which exerts a layer stress on the substrate (2), and comprising a second multilayer system (6) of at least two alternating materials (61, 62) on a substrate (2), which exerts an opposed layer stress on the substrate (2) and is arranged between the first multilayer system (4) and the substrate (2), wherein one of the materials (61) of the second multilayer system (6) is nickel-vanadium-silicon, and wherein the ratio (G) of the overall thickness of nickel-vanadium-silicon layers (61) within one period (60) of the second multilayer system (6) to the overall thickness of the period (60) of the second multilayer system (6) is at least 0.25.

A coupling (7) which is rotatable about a vertical axis of rotation and intended for the mounting of a workpiece support (15) which can be loaded, for example, with incorrectly coated or worn workpieces (18) is arranged in a removable holder (5) above a tank (2) filled with an electrolyte. Said workpiece support is connected via the coupling (7) to a current supply device, to the opposite pole of which an opposite electrode (12) is connected. A heating and cooling device (13) and an ultrasound generator (14) are also arranged in the tank (2). By current supply and simultaneous rotation, the coat is stripped from the workpiece support (15) and/or from the workpieces (18). After incorrect coating, the workpieces (18) together with the workpiece support (15) and in certain circumstances with the holder (5) can be taken over directly from a coating unit and, after coat stripping, transferred to such a coating unit for recoating.

A composite magnetic gel microsphere for biological macromolecualr template blot, based on the template blot (molecular blot) technique, is prepared from different biological macromolaculate as template molecule and different metals (or their oxides) as magentic component through reversed-phase suspension polymerization. It can be used for separating biological macromoleculae with high precision and simple process.

The invention discloses a modified calcium oxide type expanding agent with a controllable expansion course and a preparation method thereof. The specific surface area of the modified calcium oxide type expanding agent is 300m<2>/kg to 500m<2>/kg; the modified calcium oxide type expanding agent is prepared by coating calcium oxide clinker with rosin resin acid and uniformly mixing the calcium oxideclinker with a coagulation regulation component; the mass ratio of the calcium oxide clinker to the rosin resin acid to the coagulation regulation component is (990 to 996) to (2 to 8) to 2. When themodified calcium oxide type expanding agent is applied, the expansion course of the calcium oxide type expanding agent can be remarkably regulated and expansion energy loss of the calcium oxide typeexpanding agent at a concrete plastic stage is reduced; more beneficial expansion is generated in a concrete hardening process and a shrinkage compensating effect of the calcium oxide type expanding agent is efficiently expressed.

The invention discloses a plugging agent for environment-friendly water-based drilling fluid and a preparation method of the plugging agent. A product is obtained from a reaction of, by weight, 30-50 parts of carbon balls coated with AlOOH, 10-20 parts of acrylamide, 10-20 parts of N-isopropylacrylamide and 2-4 parts of hexamethylenetetramine under the action of 0.01-0.05 part of initiator, and the plugging agent for the environment-friendly water-based drilling fluid is obtained by mixing the product and 30-50 parts of vinyl acetate-ethylene copolymer emulsion under the action of 2-5 parts of dispersant. The plugging agent for the environment-friendly water-based drilling fluid has the advantages of good plugging effect, no toxic effect, certain compressive strength, high temperature-resistance capability and good compatibility with the drilling fluid.

The invention belongs to the field of printed electronics, and particularly discloses a method for preparing a printed electronic resistance welding material based on a household piezoelectric inkjet printing technology. A low-viscosity resistance welding ink formula is fabricated by adopting an improved household piezoelectric inkjet printer; the total time from beginning of inkjet to curing molding does not exceed 5 minutes; meanwhile, the method disclosed by the invention has the characteristics of being simple to operate, economic in material, high in reliability and the like, and is applicable to preparation of a hard plate and a flexible plate of a printed circuit board (PCB), a resistance welding coating of a rigid-flexible board.

The invention discloses a surface modification method of an anode material of a lithium ion battery. The surface modification method comprises the following steps of adding a smashed anode material of the lithium ion battery into a mixed solution prepared from cerium nitrate and neodymium nitrate, carrying out ultrasonic stirring after mixing by adding ammonium hydroxide, evaporating water and drying; pressing a dried sample into a flaky product after grinding and smashing the dried product, putting the flaky sample into a tubular furnace in which oxygen is continuously pumped, rising the temperature, calcining in the oxygen, then calcining in argon, and obtaining a finished product. According to the surface modification method disclosed by the invention, the anode material of the lithium ion battery is coated and modified through neodymium-doped nano cerium dioxide, so that the structure stability is maintained, the first cycle efficiency is increased, oxygen deficiency caused by disembedding of lithium ions is filled, and the structure stability of the anode material is maintained; meanwhile, a coating object has higher water absorbing resistance after being subjected to surface hydrophobization treatment.

The invention relates to a coating method for parylene fluoride and special equipment for coating, specifically to a coating method using vapour deposition and equipment for the coating method. The coating method for parylene fluoride is gasifying parylene fluoride raw material, cracking into active monomer, the coating material is in a closed pressure vessel, with a vacuum degree of 40 to 60Pa and 250 to 350 DEG C, the active monomer is polymerization deposited on the surface of the coating material to form coating layer. The coating equipment includes gasification cracking chamber, polymerization deposition chamber, cold trap, throttle valve, vacuum mechanical pump and refrigerator, wherein the gasification cracking chamber communicates with the polymerization deposition chamber, the polymerization deposition chamber communicates with the cold trap, the vacuum mechanical pump communicates with the polymerization deposition chamber by the throttle valve, the cold trap refrigerates by the refrigerator. By the method of the invention, the parylene fluoride is firmly combined with books, documents and other files, which not only makes it possible to coat the parylene fluoride, but also improves coating efficiency and lowering coating cost.

The invention discloses an antibacterial and anti-mildew aqueous shell powder and nano-silver coating and a production device thereof, and belongs to the technical field of coatings. The aqueous coating comprises modified shell powder, titanium dioxide, nano-silver, an adhesive and water. The production device comprises a reactor, the upper end of the reactor is respectively connected with a solidmixing cylinder and a liquid mixing cylinder, the upper end of the solid mixing cylinder is connected with a feeding bin through a feeding tube, the tail end of the feeding tube is connected with a blowing pump, the bottom and the side surface middle part of the reactor are connected with a circulation pump through communicating pipelines, and the communicating pipeline connected to the top of the circulation pump is provided with a discharge port. The coating has the advantages of low cost, small energy consumption, non-toxicity, good adhesion, good water resistance, good antibacterial property, good mildew resistance and good other comprehensive mechanical properties.