67results about How to "Smooth coating surface" patented technology

The invention discloses an alkali soluble resin and its preparation method. The alkali soluble resin has a chemical structural formula shown in formula 1, wherein a is an integer ranging from 1 to 5, b is an integer ranging from 1 to 5, c is an integer ranging from 1 to 10, d is an integer ranging from 1 to 10, m is an integer ranging from 1 to 30, n is an integer ranging from 1 to 10, and R is hydrogen, alkyl, alkoxy or an acrylic group. The alkali soluble resin has a weight-average molecular weight of 3500-35000. The invention also discloses a photosensitive resin composition containing the alkali soluble resin, and a color photoresist glue that contains the photosensitive resin composition and is used for color filters, as well as a display device containing the color photoresist glue, which has the advantage of a level and smooth coating surface.

The invention discloses a self-lubricating wear-resistant compound coating on surfaces of titanium and titanium alloy and a preparation method thereof. The compound coating comprises a surface of a titanium and titanium alloy substrate, an oxidized ceramic coating and a self-lubricating coating which are successively connected. The titanium and titanium alloy substrate has a textured surface pre-treated by a Nd:YAG pulse laser puncher, the oxidized ceramic coating is a hard oxidized ceramic coating generated by means of plasma electrolytic oxidation, and the self-lubricating coating is an ultra high molecular weight polyethylene coating doped with graphene. By adding graphene into the ultra high molecular weight polyethylene coating to form a laminar compound structure, the surface wettability of the coating is improved, the frictional coefficient and the wear rate of the coating are reduced, and the frictional property of the surface of the coating is improved. According to the invention, the wear-resistant compound coating which is high in hardness and low in frictional coefficient and the wear rate can be prepared on the surface of the titanium and titanium alloy, and the coating is level, smooth and compact in surface and has good wear-resistant and corrosion-resistant properties.

A plasma is produced in a treatment space by diffusing a plasma gas at atmospheric pressure and subjecting it to an electric field created by two metallic electrodes separated by a dielectric material, a precursor material is mixed with the plasma, and a substrate film or web is coated by vapor deposition of the vaporized substance at atmospheric pressure in the plasma field. The deposited precursor is cured by electron-beam, infrared-light, visible-light, or ultraviolet-light radiation, as most appropriate for the particular material being-deposited. Plasma pre-treatment and post-treatment steps are used to enhance the properties of the resulting coated products. Similar results are obtained by atomizing and spraying the liquid precursor in the plasma field.

The invention discloses an anticorrosive paint coated under rusted and moist conditions and particularly discloses a bicomponent epoxy anticorrosive paint which can be coated on rusted and moist steel surfaces and can play a protective role. The anticorrosive paint comprises a component A and a component B, wherein the component A is composed of the following components in parts by weight: 25-28 parts of epoxy resin, 33-36 parts of pigment and filler, 3.5-5 parts of rust transforming agent, 30-35 parts of mixed solvent and 0.5-1.5 parts of auxiliaries; and the component B is composed of the following components in parts by weight: 75-80 parts of modified mannich amide hardener and 20-25 parts of mixed solvent. The weight ratio of the component A to the component B is (90-100): (1-1.2), and the component A and the component B are mixed before being used.

The invention provides a conductive coating which comprises a bottom layer and a surface layer, wherein the bottom layer is prepared by components in parts by weight as follows: 70 parts of polytetrafluoroethylene emulsion, 6.8-7.1 parts of phosphoric acid, 6.8-7.2 parts of chromic acid, 0.7-1.0 part of lauryl sodium sulfate, 1.6-2.0 parts of chromium sesquioxide, 8-9 parts of water, 0.5-0.8 part of polyphenylene sulfide, 5-7.5 parts of graphite and 1-2.5 parts of conductive black; and the surface layer is prepared by components in parts by weight as follows: 90 parts of polytetrafluoroethylene emulsion, 0.7-0.9 part of lauryl sodium sulfate, 10-11 parts of water, 2-2.5 parts of polyphenylene sulfide, 5-7.5 parts of graphite and 1-3 parts of conductive black. The obtained conductive coating has a smooth surface and large adhesive force with a metal mold, and is high in hardness, difficult to scratch and good in conductivity; and the demolding effect is good after the metal mold is sprayed, and the quality of a finished product is guaranteed.

The invention relates to a surface metallization method for foamed plastic by adopting high-power pulse magnetron sputtering and belongs to the technical field of material surface engineering. The surface metallization method for the foamed plastic by adopting high-power pulse magnetron sputtering comprises the following steps of: firstly carrying out pre-treatment of surface sealing, cleaning, drying and distressing on the surface of foamed plastic, then loading samples, vacuumizing, and degassing; carrying out pre-sputtering to clean a foamed plastic workpiece and sputtering a target material; depositing a metal coating by adopting high-power pulse magnetron sputtering, wherein a metal coating with high ionization rate is deposited on the surface of the foamed plastic workpiece at a low temperature by controlling pulse configuration, frequency, charging voltage and sputtering/cooling time, and a metal coating with smooth surface, compact structure and high cohesion between film and substrate material is prepared; and finally cooling, taking away the foamed plastic workpiece, and inspecting properties of the metallized foamed plastic such as surface appearance, hardness and cohesion between film and substrate material. The surface metallization method for the foamed plastic by adopting high-power pulse magnetron sputtering has the advantages that the surface metallization method is applicable to various metallized coatings; the coating is smooth and compact in surface and high in cohesion between film and substrate material; the sputtering temperature and the deposition temperature are low, and a foamed plastic substrate can not deform; and the surface metallization method is safe and environment-friendly, and no chromic acid reagent which contains Cr<6+> and is related in a chemical plating process is used.

The invention relates to a kind of corrosion-resistant and erosion resistant coating material, which in detail is a corrosion-resistant material for cable bridge surface. The invention adds flaky zinc powder concentration for traditional dacromet coating formulation, adds penetrating agent, surface active agent, hardening agent and rare earth material. The coating layer on the surface is characterized by high adhesion power, good wearing resistant performance, good antiweatherability and stable chemically-resistant property, and suitability for wild environment utilization for a long time, which as long as 30 years.

To provide a coating material capable of making a coating surface smoother, improving glossiness and being suitably used especially as a thermosensitive recording material, and a method for producing the same. As a means for realizing the foregoing, there is a coating material produced by a multilayer simultaneous coating process, including: an outermost coating surface having moisture evaporation pores, wherein the moisture evaporation pores are 1.5 μm or less in average diameter. And there is a method for producing the coating material, including: simultaneously depositing two or more types of coating solutions over a continuously running web, and drying the coating solutions, wherein a coating solution which constitutes a coating other than an outermost coating surface is formed of a dispersion solution, and dispersed particles contained in the dispersion solution are 1 μm or less in average diameter.

A three-element nano-catalyst for the metallic cellular carrier used to treat the tail gas of car is proportionally prepared from lanthanum oxide, zirconium oxide and cerium oxide through dissolving them in deionized water, adding surfactant, hydrothermal treating, washing, filtering, dispersing it in organic solvent, adding the solution of noble metal, stirring, baking and calcining. Its coating technology includes such steps as ultrasonic cleaning of metallic cellular carrier multiple times, dispersing said nano-catalyst in organic solvent, stirring, baking, coating and calcining.

The invention belongs to the technical field of graphite electrodes, and provides a graphite electrode nanometer antioxidant and a preparation method thereof. The graphite electrode nanometer antioxidant is prepared from the following components in parts by weight: 20 to 30 parts of water, 20 to 30 parts of nano-oxide ceramic powder, 15 to 20 parts of graphene, 10 to 20 parts of dispersant, 10 to15 parts of film-forming additive, 6 to 12 parts of stabilizer and 5 to 10 parts of polyhedral oligomeric silsesquioxane, wherein the dispersant is polyethylene glycol; the film-forming additive is thiol-based chitosan; the stabilizer is a mixture of zinc borate and polyetherimide in the mass ratio of 2 to 1. By adopting the graphite electrode nanometer antioxidant, the problem of conductivity decrease of a graphite electrode after introduction of the graphite electrode under the risks of peeling and falling off due to cracks generated in the heating process of a generated antioxidation layersince the antioxidation temperature is not high during use of the graphite electrode nanometer antioxidant in the prior art is solved.

A silicone release coating composition comprises:

• (A) 100 weight parts of an organopolysiloxane fluid having a viscosity at 25° C. of 50 to 10,000 mPa·s and an alkenyl content of 0.10 to 3.0 wt %;
• (B) 0.5-40 weight parts of a diorganopolysiloxane represented by the average structural formula (1):

R^c₃SiO(R^bR^cSiO_2/2)_n1(R^c₂SiO_2/2)_n2SiR^c₃   (1)

wherein R^b is an alkenyl group; R^c is an alkyl group or a phenyl group; n1 provides an alkenyl content of 0.05 to 0.80 wt. %; n2 is at least 1; and n1+n2 provides this component with a viscosity at 25° C. of 5,000 to 150,000 mPa·s;

• (C) an organohydrogenpolysiloxane that has a viscosity at 25° C. of 1 to 1,000 mPa·s, at least two silicon-bonded hydrogen atoms in each molecule, and an alkyl group or a phenyl group for its silicon-bonded organic groups;
• (D) a hydrosilylation reaction catalyst in a catalytic amount;
• (E) a surfactant;
• (F) water; and
• (G) an inhibitor.

The invention discloses a process for preparing automobile heat-isolation glass and relates to the field of rubber. The process comprises the preparation of nanometer antimony-doped tine dioxide size, the preparation of a component A, the preparation of a component B, the preparation of an epoxy transparent heat-isolation glass coating and the preparation of an epoxy transparent heat-isolation glass film. In the preparation process, the proportion, aging time, maintenance time and the like of the raw materials are controlled strictly, so that the prepared heat-isolation glass is excellent in physical and chemical properties, the film is smooth in surface and high in adhesive force, the glass is high in hardness and acid-resistant, alkali-resistant, stain-resistant and aging-resistant performances, long in service life, relatively high in light transmission for visible light and excellent in light transmittance performance, vague sense is avoided, a driver can have a good visual field, the coated glass has an excellent heat-isolation performance, can maintain the temperature in a vehicle well, and is stable in performance, and the whole preparation process is simple, can implement automatic production easily and achieves a high production efficiency.

The invention discloses a novel wear-resistant and corrosion-resistant chemical centrifugal pump which is applied to transport corrosive liquid containing solid particles and other fiber media in papermaking, chemical engineering, food, environmental engineering and other industries. A pump shaft is fixedly arranged on a bearing box of a suspension; two ends of the bearing box are respectively provided with a front gland and an end cover fixedly; a mechanical seal is arranged between a pump cover and the pump shaft; an impeller is fixedly arranged on one end of the pump shaft; the pump body is fixedly arranged on the suspension; a front lining board is arranged between the pump body and the impeller; a rear lining board is arranged between the pump cover and the impeller; a hard alloy layer is respectively sprayed on each of the front lining board and the rear lining board which are made of corrosion-resistant and wear-resistant materials, so that the wear-resistant performance of the front lining board and the rear lining board are further improved; and meanwhile, the surfaces of the coatings are smoother, so that the friction force and resistance of a flow through object are reduced, serous fluid can pass quickly, the use power of a water pump is reduced, the use efficiency is improved and the energy-saving effect is significant.

The invention discloses modified diamond particles, a modification method and an application as reinforced phase and an obtained metal-based composite material and belongs to the field of composite materials. The modification method of the modified diamond particles adopts vacuum rolling coating equipment and the particles are stirred in a roller, so that the coating uniformity of the diamond particles is improved. By adopting a multi-arc ion coating process, plasmas are generated on the surface of a target material directly, so that energy of particles attached to a matrix is high, the coating compactness is high, and a carbide is formed more easily by a metal and the diamonds, and therefore, mechanical bonding is converted into metallurgical bonding, and the interface heat resistance canbe reduced greatly. By carrying out coating by means of a magnetron sputtering method, the surface of the multi-arc ion coating is improved, so that the surface is leveler, the flowability of the diamond particles is increased, the hot press molding ability is improved and formation of pores is reduced. On the other hand, the multi-arc ion coating metal is prevented from being diffused to a matrix metal, so that the heat conducting property of the matrix is reduced. According to the modified diamond particles, a coating is compact and is unlikely to fall off.

The present invention relates to an image forming material in which at least an alkali-soluble thermoplastic resin layer and a photosensitive resin layer are formed on a support in this order. At least the thermoplastic resin layer of the image forming material includes a copolymer comprising monomers represented by the following general formula (a) and the following general formula (b), a content ratio by mass of the monomers represented by general formula (a) to the monomers represented by general formula (b) is in a specific range.

A method for preparing a main chain scission-type polysilyl (meth)acrylate resin and application thereof. The method comprises: a cyclic monomer, vinyl monomer and vinyl silyl ester monomer are mixed in a solvent at a formulation ratio, then added a composite initiator in a mass percentage of 0.01-5% based on the total amount of the monomers, and reacted at a temperature of 25-150° C., and under the protection of argon or nitrogen gas, so as to prepare the main chain scission-type polysilyl (meth)acrylate resin, wherein the monomers are consisted of 5-95% by mass of cyclic monomer, 0-90% by mass of vinyl monomer and 5-95% by mass of vinyl silyl ester monomer. The resulting resin can not only be hydrolyzed on the side chain silyl ester segment under the effect of the sea water, but also occur chain scission on the main chain polyester segment under the effect of the seawater, so as to solve the dependency of the traditional self-polishing material on the sailing speed, effectively control the release of the antifouling agent at a constant rate, ensure the active substance preserved on the coating surface of the ships, and properly meet the antifouling requirements on the low sailing speed ships, submarines and off-shore oil platform facilities.

The invention discloses a liquid deposition preparing method for an anti-corrosion TiO2-ZrO2 coating. (NH4)2TiF6, H3BO3, Zr(SO4)2 and (NH4)2S2O8 serve as raw materials, metal is deposited for 5 h to 48 h under the water bath condition at the temperature ranging from 20 DEG C to 80 DEG C according to a liquid deposition method, the deposited metal is washed through distilled water and aired and is then put in a high-temperature muffle furnace, the temperature is increased to 400 DEG C to 800 DEG C, calcination is kept for 1 to 5 hours, and therefore the TiO2-ZrO2 coating is prepared on the surface of the metal. Through tests, when prepared stainless steel with the TiO2-ZrO2 coating is compared with untreated stainless steel, the corrosion current density of a polarization curve of the stainless steel with the coating in a terrestrial heat aqueous solution is reduced by about one order of magnitude, the polarization resistance of the stainless steel is improved by 15 to 23 times, the annual corrosion rate is increased by 80% to 90%, and the good corrosion resistant effect is achieved.