10results about How to "Strong coating adhesion" patented technology

The invention belongs to the technical field of films, and relates to an anti-dazzle anti-reflection anti-fingerprint film, which comprises a transparent support body, an anti-dazzle hardening coating and an anti-reflection coating, and the anti-dazzle hardening coating is obtained by coating and curing a coating liquid prepared from the following components in parts by mass: 1 to 40 parts of resin 1, 1.8 to 4.8 parts of resin 2, 0.75 to 3.25 parts of a photoinitiator and 0.3 to 1.75 parts of a thermal curing agent, the anti-glare coating is prepared from the following components in parts by weight: 0.75 to 4.75 parts of anti-glare particles, 0.25 to 1.25 parts of a flatting agent 1, 0.03 to 0.15 part of a flatting agent 2 and 44.05 to 76.12 parts of a solvent, the antireflection coating is obtained by coating and curing a coating liquid prepared from the following components in parts by mass: 0.47 to 1.8 parts of resin 2, 2.4 to 6.0 parts of resin 3, 0.12 to 0.75 part of a photoinitiator, 0.1 to 0.45 part of a thermal curing agent, 0.18 to 1.65 parts of a flatting agent 3, 0.56 to 2.4 parts of modified hollow silicon dioxide, 0.1 to 1.25 parts of a wetting dispersant and 85.7 to 95.74 parts of a solvent. According to the technical scheme provided by the invention, the anti-glare and low-reflection coating has good anti-fingerprint performance, coating adhesive force and friction resistance while having anti-glare and low-reflection performance.

The present application belongs to the technical field of mechanical cutting tool manufacturing, and particularly relates to a micro-textured tool based on laser micro-cladding in-situ forming, a preparation method and application thereof. Specifically, the present application successfully prepares a multi-layer coated tool with a micro-textured morphology. The tool has the advantages of micro-texture, laser cladding layer and multi-layer coating structure, and has high hardness, good self-lubricating performance, good toughness, strong coating adhesion and small internal stress of the coating, and will not produce defects such as deformation or micro-cracks of the tool substrate material. In the cutting process, the tool can effectively reduce the cutting force and cutting temperature, reduce tool wear and improve tool life, and can be widely applied to dry cutting and cutting of difficult-to-machine materials, and therefore has good practical application value.

The present application belongs to the technical field of oriented silicon steel production, and particularly relates to an oriented silicon steel pickling coil, a preparation method thereof and an oriented silicon steel finished product. The preparation method comprises the following steps: heating a continuous casting slab, and performing dephosphorization treatment on the heated continuous casting slab; performing hot continuous rolling on the dephosphorized continuous casting slab to obtain a hot-rolled coil; cooling the hot-rolled coil in a protective atmosphere to obtain a strip, and performing shot blasting treatment on the strip; and performing pickling on the shot-blasted strip in an acid solution added with a pickling promoter. During the pickling process, the pickling time of the head of the strip is 90-100s, and the pickling time of the tail of the strip is 110-120s. The pickling promoter comprises a complexing agent composed of a sulfite and a furan dione derivative containing a carbon-carbon double bond. The oriented silicon steel pickling coil prepared by the method has clean pickling of the surface scale, and the surface of the strip after decarburization annealing is metallic luster. The silicon steel finished product prepared from the pickling coil has excellent magnetic properties and coating adhesion.

The invention provides a preparation method of a wear-resistant super-hydrophobic coating, which comprises the following steps: carrying out first mixing on epoxy resin, amino silane, tetraethyl orthosilicate and ethanol to obtain a solution; carrying out second mixing on the solution, a metal oxide and a carbon nanotube to obtain a mixed solution; carrying out third mixing on the mixed solution and fluorosilane to obtain sol; and curing the sol to obtain the wear-resistant super-hydrophobic coating. The super-hydrophobic coating obtained through the preparation method of the wear-resistant super-hydrophobic coating has the advantages of being high in body mechanical wear resistance, high in coating binding force and low in abrasion loss, the water contact angle of the prepared super-hydrophobic coating exceeds 155 degrees, and the water drop rolling angle is smaller than or equal to 1 degree.

The present invention belongs to the technical field of yttrium oxyfluoride powder and its preparation, and specifically relates to a yttrium oxyfluoride powder for plasma corrosion-resistant thermal spraying and a preparation method thereof. The preparation method of the yttrium oxyfluoride powder for plasma corrosion-resistant thermal spraying comprises the following steps: precipitation reaction: dripping ammonia water into the yttrium ion solution for reaction, dripping the fluorine source solution while stirring, then adding a dispersant, continuing the reaction, and precipitating; aging at 70-80°C; dehydration and calcination, cooling to obtain powder; grinding the obtained powder, requiring D10: 0.2-0.5μm, D50: 1-1.5μm, D90: 2.5-2.8μm, D100: <3.2μm, adding a granulation shape regulator for spray granulation, and obtaining yttrium oxyfluoride powder for plasma corrosion-resistant thermal spraying. The present invention provides a preparation method of yttrium oxyfluoride powder for plasma corrosion-resistant thermal spraying, and the prepared yttrium oxyfluoride powder is uniformly dispersed and has high purity.

The utility model discloses a high-viscosity AB component coating spraying device. Comprising a bracket; the brushless motor is arranged at the rear part of the bracket; the mixing module is arranged at the front part of the bracket, the middle part of the mixing module is oppositely provided with a component A feed port and a component B feed port which are respectively used for feeding a component A and a component B, and the front part of the mixing module is provided with a discharge port; the tail end of the mixing pipe is detachably connected with the discharge hole; a screw type stirring shaft is arranged in the mixing pipe along the axial direction; a main pipe is arranged in the center of the nozzle, the tail end of the main pipe is detachably connected with the front end of the mixing pipe, a branch pipe is arranged on one side of the main pipe in parallel, and an air inlet is formed in the tail end of the branch pipe; the air cap is detachably connected with the nozzle, a mixing cavity is formed by the inner circumference of the air cap and the front end of the nozzle, and the mixing cavity is communicated with the main pipe and the branch pipe. The device disclosed by the utility model has the beneficial effects of good mixing and atomizing effect and strong coating adhesive force.

The invention belongs to the technical field of oriented silicon steel production, and particularly relates to an oriented silicon steel acid pickling coil, a preparation method thereof and an oriented silicon steel finished product. Comprising the following steps: heating a continuous casting sheet billet, carrying out dephosphorization treatment on the heated continuous casting sheet billet, and carrying out hot continuous rolling on the continuous casting sheet billet subjected to dephosphorization treatment to obtain a hot rolled coil; cooling the hot-rolled coil in a protective atmosphere to obtain strip steel, and performing shot blasting treatment on the strip steel; the strip steel subjected to shot blasting treatment is subjected to acid pickling in acid liquor added with an acid pickling accelerant, in the acid pickling process, the acid pickling time of the head of the strip steel is 90-100 s, the acid pickling time of the tail of the strip steel is 110-120 s, and the acid pickling accelerant comprises a complexing agent composed of sulfite and furandione derivatives containing carbon-carbon double bonds. Oxidized iron scale on the surface of the oriented silicon steel pickling coil prepared through the method is thoroughly pickled, the surface of strip steel obtained after decarburization annealing has metallic luster, and a silicon steel finished product prepared through the pickling coil has excellent magnetic performance and coating adhesive force.

A reinforcement ring structure, a preparation process and an application belong to the technical field of reinforcement ring structures. The reinforcement ring structure is sleeved on both ends of an armature coil and comprises a rigid layer and an insulating layer. A phosphating saponification layer is arranged outside the rigid layer, and an insulating layer is coated on the inner side of the phosphating saponification layer. The insulating layer and the outer insulating paint of the armature coil are interpenetrated and fused. The beneficial effect of the present invention is that the reinforcement ring structure has a certain strength, and at the same time, the contact part with the armature coil has insulation, good heat resistance, and a high degree of fusion with the insulating paint outside the armature coil, thereby improving the reliability, working stability and service life of the starter rotor.

The invention relates to a high-pressure-resistant long-acting stable two-component insulating coating and a preparation method thereof, and belongs to the field of insulating material preparation, and the high-pressure-resistant long-acting stable two-component insulating coating is composed of a film-forming agent, an oxidizing agent, a reducing agent, a promoter, a nanofiller and a leveling agent. The film forming agent is prepared from dodecafluoroheptyl methacrylate, tridecafluorooctyl methacrylate, tridecafluorooctyl acrylate, laurate methacrylate and trimethylolpropane trimethacrylate. According to the coating, fluorine-containing acrylic resin is mainly used as a main film forming substance, a redox system curing agent is compounded to form a double-component coating, a certain amount of insulating filler and additives are added into the double-component coating, coating curing is initiated through free radical polymerization, and the insulating property of the double-component coating is improved.

The invention discloses high-heat-resistance-grade non-oriented silicon steel and a production method thereof. According to the non-oriented silicon steel, the surface of strip steel coated with insulating paint for the first time is coated with water-based secondary paint. According to the high-heat-resistance-grade non-oriented silicon steel, the magnetic performance meets the conditions that the iron loss P1.5 / 50 is smaller than or equal to 3.0 W / Kg, the magnetic induction B5000 is larger than or equal to 1.66 T, the highest heat resistance grade can reach 190 DEG C * 48 h, the coating pencil hardness is 6-8 H, the coating adhesive force is 1 grade, the coating film weight is 6-8 g / m < 2 >, the interlayer resistance is larger than or equal to 20000 omega.mm < 2 > / piece, and the high-heat-resistance-grade non-oriented silicon steel has the beneficial effects of being high in heat resistance grade, high in interlayer resistance, excellent in corrosion resistance, excellent in magnetic performance, excellent in coating adhesive force and the like; and the requirements of the large generator field on the magnetic performance of the silicon steel, the insulation performance between the silicon steel sheets and the H-level (180 DEG C * 48 hours) of the high-temperature-resistant grade are met.