20 results about "Surface coating" patented technology

Disclosed herein is a back-grooved laminate wood flooring in which a wood veneer of high pressure resin impregnation laminate (WPL) is laminated on a base selected from a vinyl chloride (PVC) resin layer, on oriented strand board (OSB), a high-density fiberboard (HDF) and a waterproof plywood. More specifically, the back-grooved laminate wood flooring comprises a WPL (20), an adhesive layer (40) and a base (10) (a polyvinyl chloride resin layer, OSB, HDF or waterproof plywood) wherein the WPL (20) includes a base-reinforcing layer (24), a natural veneer layer (23), a resin-impregnated overlay layer (22) and a surface UV coating layer (21) layered in this order from the bottom. The back-grooved laminate wood flooring further exhibits excellent soundproofing performance.

The invention relates to a surface coating modified lithium ion battery cathode material and a preparation method thereof. The surface coating modified lithium ion battery cathode material has a general chemical formula of LiNi<1-a-b>CoaAlbO2/M, wherein a is more than 0.1 and less than 0.3, b is more than 0.01 and less than 0.2, and M refers to a coating layer. The material is coated by adopting a dry method; the coating layer refers to one or a mixture of two of lithium iron phosphate and lithium ferric manganese phosphate; and the mass ratio of the coating layer to LiNi<1-a-b>CoaAlbO2 is (0.01-0.2):1. The surface coating modified lithium ion battery cathode material and the preparation method thereof disclosed by the invention have the advantages that the stability of the cathode material is improved, and the safety performance of the material is improved; and moreover, in the dry-method coating process, waste liquor is not produced, high-temperature sintering is not needed, and the energy consumption and cost can be reduced.

The invention relates to a zinc-aluminum coating enhanced with particles in micro-nano sizes, and belongs to the field of surface protection of magnetic materials. The coating is used for being coated on the surface of a neodymium-iron-boron permanent magnet and the zinc-aluminum coating mixed with the micro-nano particles, and the micro-nano particles are one or more kinds of titanium dioxide, silicon oxide, aluminum oxide, aluminum and cerium oxide in the micro-nano sizes. The technical scheme of the zinc-aluminum coating lies in that the micro-nano particles are mixed into the zinc-aluminum coating, so that the zinc-aluminum coating concurrently has an own anti-corrosion property of the coating and an incidental high-temperature oxidation resistant property, an incidental shock resistant property and incidental high tenacity of the micro-nano particles, and a mechanical property and a scratch resistant property of the surface coating of the anti-corrosion neodymium-iron-boron permanent magnet are greatly improved. The invention further relates to a production method of the zinc-aluminum coating enhanced with the particles in the micro-nano sizes, and the production method comprises the following steps: processing matrixes, preparing a coating solution, coating the matrixes and drying the coating solution.

The invention discloses a method and a device for controlling laser welding seam holes. The method comprises the steps as follows: during the laser welding, adopting a gas suction manner to pump out steam inside a keyhole and keeping the keyhole clear. The device comprises a set of gas suction device, wherein the gas suction device is connected with a gas pipe through a pipeline when working, and fixed on a laser head; and a suction nozzle of the gas pipe is aligned above a welding seam. The method and the device can effectively solve the hole problem during the laser deep penetration welding process. The method can be applied to laser welding for different materials, different plate thicknesses, and different connector forms, and particularly has a good effect on controlling the holes in the thick plates, sandwich plates and surface coating plates. The device is simple and feasible, and low in cost. In a word, the method and the device can be conveniently applied to the production and play an excellent effect by only well adjusting the relative location of the suction nozzle of the gas pipe and the welding seam.

The invention relates to the technical field of surface treatment and modification of metal materials, and in particular relates to a preparation method for manufacturing a durable superhydrophobic coating on the surface of the aluminum and aluminum alloy. The method comprises the following steps that: after the surface of the aluminum and the aluminum alloy is roughened, washed, corroded and cleaned, a compound coating of durable maleic anhydride grafted polypropylene and polypropylene is coated on the surface of the aluminum and the aluminum alloy; therefore, the surface of the aluminum and the aluminum alloy has good durable super-hydrophobicity; the contact angle between the water and the surface is more than 150 degrees; and the super-hydrophobicity is still good after half a year. The preparation method is simple, is easy to operate and low in cost, the adopted reagent is harmless to the human body and does not pollute the environment.

The invention relates to a preparation method of special coating resin composition for polyethylene. The preparation method comprises the following steps of: adding a peroxide crosslinking agent accounting for 0.001-0.5% of low-density polyethylene into the low-density polyethylene, and mixing and granulating to prepare the coating resin for the polyethylene, wherein the peroxide crosslinking agent consists of alkyl peroxide, lipid peroxide, diacyl peroxide and hydroperoxide, each of which accounts for 55-85%/5-15%/5-15%/5-15% according to the percentage by weight; the extrusion temperature of an extrusion machine is 150-250 DEG C, and the rotating speed of a screw is 20-60r/min; and the MFR (Melt Flow Rate) of the low-density polyethylene is 5.0-10.0g/10min, and the density is 0.915-0.925g/cm<3>. The special coating resin composition has the characteristics of high strength, good toughness, strong adhesive force and uniform filing forming and the like and is mainly used for surface coating, paper-plastic lamination, a bonding layer and film lamination of plastic woven bags.

The invention relates to high-weatherability anti-corrosive paint, which is mainly applied to an iron tower assembly. Raw materials of the paint mainly comprise organic silicon resin and fluorine or fluorine surface active agents. The iron tower assembly comprises an assembly body, wherein a zinc-containing layer and a composite layer are arranged outside the body, and the composite layer comprises organic silicon resin mixed with the fluorine or the fluorine surface active agents, i.e. the composite layer is the high-weatherability anti-corrosive paint. The high-weatherability anti-corrosive paint and the iron tower assembly disclosed by the invention are characterized in that the paint is applied to the outer surface coating of steel (iron) materials, because the organic silicon rein and the fluorine or the fluorine surface active agents are adopted as major parts of the raw materials, the ultravioresistant capability is greatly improved, in addition, the attaching force is good, the waterproof capability is good, and the iron tower assembly is difficult to age and corrode and has strong impact-resistance capability in outdoor use environment for a long time.

The invention discloses a monolithic catalyst with organic waste gas selective adsorption and catalytic oxidation functions, a preparation method of the monolithic catalyst and application of the monolithic catalyst in catalytic oxidation treatment of organic waste gas. A double-coating design is adopted. A first coating is a molecular sieve substrate coating, and ensures the coating firmness between a molecular sieve and a cordierite carrier. A second coating is an active component coating, and neutral silica sol is adopted to protect the activity and effectiveness of noble metals and catalytic additives on the molecular sieve. The surface coating layer of the obtained monolithic catalyst is high in loading rate, good in firmness and low in falling rate, the mechanical strength of the obtained monolithic catalyst is remarkably improved, and the service life of the obtained monolithic catalyst is remarkably prolonged. The monolithic catalyst provided by the invention can selectively adsorb VOCs and rapidly desorb generated H2O at the same time, so that the reaction is promoted to be carried out towards the catalytic oxidation direction of VOCs, and the monolithic catalyst has excellent catalytic oxidation performance for VOCs.

A headgear for use with a patient interface for delivering a flow of breathable gas to a patient includes at least a strap adapted to position the patient interface in sealing engagement with the patient's airways. The strap is constructed from an elastomer and a first side of the strap includes a first region on a portion of its surface that is textured to reduce friction with objects contacting the strap. A textured surface coating for a portion of an elastomer strap included in a headgear system is adapted to contact the skin of a patient, when in use, and the coating has a Ra value greater than zero. A vent for use with a patient interface for delivering a flow of breathable gas to a patient includes a plurality of rises and runs in a stepped arrangement; and a plurality of holes in the stepped arrangement for the venting of gas.

The invention discloses a coating for high-temperature chlorine corrosion protection and a preparation method of the coating. The coating comprises the following chemical components of 32.0-45.0 wt.%of Cr%, 4- 5.5 wt.% of Mo, 2.0-3.5 wt. % of Nb, 1.7-3.3 wt.% of B, C<0.03 wt.%, Si<0.05 wt.% and the balance Ni. The preparation of the coating comprises the following steps of firstly, preparing powder of the components under a water environment, an inert atmosphere or a vacuum condition by adopting a melt atomization method, wherein the particle size of the powder is 15-120 micrometers; secondly, adopting a sand blasting method to clean and physically roughen the surface of the metal components to be coated to enhance the bonding force between the coating and the component surface; and finally, the prepared alloy powder is fused to the surface of the components after sand blasting treatment by adopting a laser, plasma, flame and induction energy beam technology, and the thickness of thecoating is 0.1 mm-2 mm. The coating and the preparation method have the characteristics that the coating efficiency is remarkably improved, the applicable range is wide, and the like.

The invention provides a quick-drying type water-based paint. The quick-drying type water-based paint comprises, by weight, 5 to 60 parts of a solvent, 5 parts of modified fiber, 5 parts of a dispersing and wetting agent, 4 parts of an antifoaming agent, 2 parts of an antiseptic, 4 parts of a mildew inhibitor, 3 parts of a slow-drying agent, 2.5 parts of a film-forming auxiliary agent, 2.5 parts of slipping agent, 3.5 parts of a crystal mica material having undergone surface coating, 2.5 parts of a low-vinylidene chloride polymer emulsion, 5 parts of a promoter, 10 parts of a thickening and leveling agent, 5 to 15 parts of tung oil, 5 parts of a waterborne wax emulsion, 1 to 6 parts of a dispersant, 0 to 1 part of limestone and 0.5 to 2 parts of powdered carbon. The quick-drying type water-based paint is long in service life, resistant to ageing, firm, environment-friendly, nontoxic, simple to construct, fast in drying, rapid in evanishing of odor, low in requirements on construction operation and easy to operate.

The invention discloses anti-gluing solid lubricating paint as well as a preparation method and an applying method thereof. The paint comprises the following ingredients in percentage by weight: 16-60% of mixed resin, 1-5% of a toughening agent, 26-70% of a solid lubricant, 2-15% of an anticorrosive etching reagent, 1-5% of a wear-resisting additive, 0.01-0.1% of other additives and the balance of a solvent. The paint, the preparation method and the applying method have the advantages that the thickness of a coating can be conveniently controlled according to a surface coating method of a joint of an oil casing; the process is simple; the operation is easy; the industrial implementation is realized conveniently.

The invention provides an aluminum foil tape, which comprises a surface coating, an upper aluminum foil layer, a first insulating layer, a glass fiber layer, a second insulating layer, a lower aluminum foil layer, a third insulating layer, a release coating and a release film which are sequentially arranged from top to bottom. The aluminum foil tape is simple in structure, good in fire resistance, good in insulativity, small in thickness and light in weight; the raw material cost is reduced on the premise of ensuring the use quality; and the benefits of enterprises are improved.

The invention discloses a thermoplastic PVDF fluorocarbon powder coated aluminum veneer. The thermoplastic PVDF fluorocarbon powder coated aluminum veneer comprises an aluminum alloy base layer plate,a passive film and a PVDF fluorocarbon powder layer. The production process of the aluminum veneer comprises three parts, namely a sheet metal process, a pretreatment process and a spraying process,according to the aluminum veneer surface coating technology, a one-time-coating two-time-baking process is adopted, that is, after pretreatment is completed and the passive film is formed, baking is conducted for 8-10 minutes at the temperature of 60-100 DEG C to remove tap water and pure water remaining on the plate surface in the pretreatment process to make the aluminum plate reach a state suitable for spraying, and then PVDF fluorocarbon powder is sprayed, and then baking is conducted for 15 minutes at the temperature of 235 DEG C for curing to form the veneer. The new building decorationmaterial product in which the PVDF fluorocarbon powder coating is adopted as the surface coating layer of the aluminum veneer and which is developed through the one-time-coating two-time-baking production process has good wear resistance, corrosion resistance, weather resistance and other new properties and is suitable for being applied to coastal or offshore building exterior wall decoration withthe severe environment, and high corrosion and salt fog properties.

The invention discloses a laser film surface coating system, and relates to laser film production equipment, and the laser film surface coating system is characterized by comprising a coating roller and a guide roller assembly, the guide roller assembly is used for conducting and conveying a laser film, and the two sides of the laser film pass through the periphery of the coating roller and make contact with each other in the conveying process; the rotating direction of the coating roller is opposite to the conveying direction of the laser film; the coating roller is used for coating a laser film at the contact position, and the conveying direction of the coating roller and the laser film is inclined. By adopting a differential rotation mode, the reagent coating efficiency on the surface of the thin film can be improved, and the completeness and uniformity of surface coating are improved.

The invention discloses a new type of rack, which comprises a rack body (3), gear teeth (1) are arranged on the rack body (3), and a bearing ring (2) is arranged inside the rack body (3). A special coating (4) is provided on the surface of the gear teeth (1), an oil storage grid (5) is arranged on the rack body (3), and a guide strip (6) is arranged on the oil storage grid (5). The beneficial effects of the present invention are: the components and proportions of the rack provided by the present invention are moderate, which greatly improves the heat resistance and heat dissipation of the rack, thereby ensuring the normal operation of the rack and prolonging the service life of the rack. The rack does not contain scarce elements nickel, molybdenum and manganese, and the manufacturing cost is low. At the same time, the gear has fewer components, which makes the manufacturing process easier, thereby reducing the manufacturing cost. The special coating can increase the service life of the gear teeth , Increase work efficiency.