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41 results about "Steel wool" patented technology

Steel wool, also known as iron wool, wire wool, steel wire or wire sponge, is a bundle of very fine and flexible sharp-edged steel filaments. It was described as a new product in 1896. It is used as an abrasive in finishing and repair work for polishing wood or metal objects, cleaning household cookware, cleaning windows, and sanding surfaces.

Stirling heat engine teaching aid based on auxiliary magnetic suspension system and U-shaped liquid column

ActiveCN223815600UEducational modelsSteel woolPiston
The utility model discloses a Stirling heat engine teaching aid based on an auxiliary magnetic suspension system and a U-shaped liquid column, which comprises a support table, a glass U-shaped tube and a quartz tube, a high-frequency induction heater is arranged on the upper side of the support table, a heating induction coil of the high-frequency induction heater is sleeved on the quartz tube, the quartz tube is horizontally arranged, and the glass U-shaped tube is arranged on the quartz tube. A first sealing plug and a second sealing plug are respectively plugged at the two ends of the quartz tube, heat preservation steel wool is arranged at one section, close to the first sealing plug, of the interior of the quartz tube, and a heating iron ring is arranged in the center of the interior of the quartz tube and is positioned in a heating induction coil of the high-frequency induction heater. According to the utility model, through the design of the auxiliary magnetic suspension system and the U-shaped liquid column, the friction between the piston and the pipe wall is greatly reduced, the energy loss in the mechanical energy conversion process is effectively reduced, and the working principle of the Stirling heat engine and the application of the second law of thermodynamics can be intuitively displayed.
Owner:HUNAN NORMAL UNIVERSITY

Highly transparent scratch-resistant antistatic coating and method for its production

The present application belongs to the field of advanced coating and preparation, and particularly relates to a high-transparent and scratch-resistant multifunctional antistatic coating and a preparation method thereof. The present application provides a high-transparent and scratch-resistant antistatic coating, raw materials of the antistatic coating comprising fluorion-containing silsesquioxane monomer, functional monomer and catalyst; wherein the functional monomer is a crosslinking agent or an anti-crystallization agent. The coating obtained by the present application has a light transmittance of >98% (550 nm); a surface pencil hardness of greater than 9H, no scratches after more than 1000 times of steel wool rubbing; a surface resistivity of about 10 8 ~10 9 Ω / sq, and a fast electrostatic discharge rate.
Owner:SICHUAN UNIV

Demagnetizing device

ActiveCN223888193UMagnetic separationDemagnetizing deviceMagnetic separator
The utility model discloses a demagnetizing device, which relates to the technical field of superconducting magnetic separators, is used for demagnetizing mineral particles remained on a superconducting magnetic separator and adhered on magnetic conductive stainless steel wool inside a separating tank, and comprises a magnet ring, an electromagnetic coil and a control cabinet, and an electromagnetic coil is arranged at the top of the magnet ring, is electrically connected with the control cabinet, is electrified and generates a reverse magnetic field under the interaction of the magnet ring. The device has the effects of solving the problem of adhesion of mineral particles, improving the flushing efficiency and guaranteeing the treatment quality of subsequent products.
Owner:SHANGHAI SHENYUE SUPERCONDUCTING TECH DEV CO LTD

Continuous vacuum evaporation device for anti-fingerprint film

The utility model discloses a continuous vacuum evaporation device for an anti-fingerprint film. The continuous vacuum evaporation device comprises a vacuum film coating machine body and a film coating main roller of a roll-to-roll vacuum film coating machine, wherein the film coating main roller is arranged in the middle of the vacuum film coating machine body; an evaporation boat is arranged at the bottom position of a coating main roller of the opposite-roll vacuum coating machine, a steel wool rope winding device is arranged on the side face position of a guide wheel, a steel wool rope unwinding device is arranged on the steel wool rope winding device on the right side, and a steel wool rope body is arranged in the middle positions of the steel wool rope winding device, the guide wheel and the evaporation boat. The bottom of the evaporation boat is connected with a power supply connecting power supply, the steel wool rope body also travels in a winding mode according to process requirements, and the fingerprint-proof liquid medicine on the steel wool rope body can be continuously evaporated to the bottom of a coating main roller of the opposite-winding vacuum coating machine under the condition that the evaporation boat is heated. After the device is improved, the roll-to-roll vacuum coating machine can continuously evaporate the anti-fingerprint film for a long time.
Owner:KUNSHAN PUYUAN VACUUM TECH ENG CO LTD

Steel wool quantitative dispensing equipment

ActiveCN224312925UWebs handlingSteel woolMechanical engineering
This utility model relates to the field of steel wool processing equipment. More specifically, this utility model relates to a steel wool quantitative dispensing device, including a conveying mechanism, a cutting mechanism, and a winding mechanism arranged sequentially along a first direction, and further including: a guide plate, which is rotatably disposed between the cutting mechanism and the winding mechanism, one end of the guide plate being located below the discharge end of the cutting mechanism, and the other end extending obliquely downward to above the winding position of the winding mechanism; and a positioning detection mechanism, whose detection position is located at the winding position of the winding mechanism. This utility model provides a steel wool quantitative dispensing device that can quickly realize automatic quantitative dispensing of steel wool, improving the quality and efficiency of steel wool dispensing.
Owner:HUBEI CHENGLI ABRASIVE GRINDING TOOL CO LTD

A steel wool rolling machine

ActiveCN224298441UWebs handlingSteel woolCotton wool roll
The utility model relates to steel wool processing equipment field, more specifically, the utility model relates to a kind of steel wool rolling machine, comprising: fixed carousel, its one end is connected with rotating mechanism transmission;Expansion chuck, its coaxial setting is in the other end of fixed carousel;Moving carousel, it is coaxially arranged with fixed carousel, and the end close to fixed carousel is equipped with the top block corresponding with expansion chuck;Linear drive mechanism, it is rotatably connected with the end of moving carousel away from fixed carousel, and moving carousel is driven to be close to or away from fixed carousel.The utility model provides a kind of steel wool rolling machine, and the limiting space formed by moving carousel and fixed carousel is positioned to steel wool band, ensure that steel wool band can be evenly rolled on paper core cylinder to form steel wool roll, ensure the quality of steel wool roll, improve the rolling rate of influence steel wool roll.
Owner:HUBEI CHENGLI ABRASIVE GRINDING TOOL CO LTD

Fluorine-silicon modified super self-cleaning nano coating, preparation method and application thereof

ActiveCN117701046BCoatingsAcrylic resinSteel wool
The present application relates to the field of paint technology, in particular to a fluorosilicon modified super self-cleaning nano paint, a preparation method and application thereof.The paint is prepared from 25-40 parts of fluorosilicon modified nano silicon dioxide dispersion liquid, 1-3 parts of fluorosilicon modified acrylic resin, 1-3 parts of hydrophilic resin, 0.1-2 parts of silane coupling agent and 50-70 parts of solvent system.The super hydrophobic coating prepared by using the paint is tested by a steel wool friction tester, the load is 100g, and the hydrophobic angle is still above 150° after 1300 times of friction;the water impact resistance is tested by using a 1.2m high, 300mL water flow impact test, and the coating can resist water impact for more than 30 times;the light transmittance of the coating reaches 75%.Moreover, the construction method only needs single layer spraying, and the construction is simple.
Owner:BEIJING NEATRITION TECH CO LTD +1

High-salt concentrated water zero-emission treatment system

This invention relates to a zero-discharge treatment system for high-salinity concentrated wastewater, comprising at least a first and a second sedimentation tank. A magnet assembly is provided in at least the first sedimentation tank. The upper part of the first sedimentation tank has a baffle plate with a conical through-hole at its center and a corresponding turbulence-inducing mechanism positioned above the baffle plate. The baffle plate is located above the magnet assembly. The baffle plate has at least one annular channel within its body, and a spray nozzle communicating with the annular channel is formed on its upper surface. The turbulence-inducing mechanism includes a chassis with a rotating shaft and a groove at its upper part, and an electromagnet. Multiple rings of steel wool are provided on the lower end face of the chassis. Each ring of steel wool includes multiple steel brushes. The upper ports of the spray nozzles correspond to the spaces between two adjacent rings of steel wool. The upper port of the groove is higher than the upper port of the first sedimentation tank, and multiple strip-shaped through-holes are provided on the wedge-shaped portion at its root. The electromagnet body of the electromagnet is located within the chassis body. This application can improve problems such as easy scaling and rapid membrane fouling in the zero-discharge treatment of high-salinity concentrated wastewater.
Owner:JINAN CUP OF WATER ENVIRONMENTAL PROTECTION TECH CO LTD

A Highly Durable Smokeless Barbecue Charcoal and Its Preparation Method

A high-durability smokeless barbecue charcoal and its preparation method are disclosed. The raw materials for preparing the high-durability smokeless barbecue charcoal include the following components: wood, modifier, adhesive, aluminosilicate ceramic fiber, steel wool, and anhydrous ethanol. The modifier includes graphite, bamboo charcoal, and barium sulfate. The adhesive includes carboxymethyl cellulose, lignin, and plant adhesives. The weight of the aluminosilicate ceramic fiber is 1% to 12% of the weight of the wood, and the weight of the steel wool is 4% to 17% of the weight of the wood. The high-durability smokeless barbecue charcoal provided by this invention undergoes anhydrous ethanol degreasing treatment after charcoal preparation, which can improve combustion efficiency, reduce the smoke generated during combustion, and prevent pulverization after combustion, thereby further reducing dust generation. This results in a barbecue charcoal that is essentially smokeless and produces no dust, meeting user needs.
Owner:ZHEJIANG YUHUA TIMBER

Anti-fingerprint agent, and preparation method therefor and use thereof

PCT designated stageWO2026103013A1Polyurea/polyurethane coatingsPolymer scienceTrichloro-s-triazine
The present invention belongs to the technical field of materials, and provides an anti-fingerprint agent, and a preparation method therefor and the use thereof. The anti-fingerprint agent is prepared from compounds such as trichlorotriazine, fluorine-containing aromatic diamine, methyl acrylate, and chloroalkyl siloxane and by means of reactions including substitution, addition, and polymerization. The anti-fingerprint agent has a hyperbranched three-dimensional structure, along with a C-F bond and a silane terminal group, and has excellent hydrophobic properties, anti-fouling properties, anti-fingerprint properties, abrasion-resistant properties, etc. Moreover, the anti-fingerprint agent does not contain per- or poly-fluoroalkyl substances (PFASs), which are restricted by the European Union, making it environmentally friendly. After coating, the initial water droplet angle on the surface of a substrate is 111° or above, and the water droplet angle still remains about 105° after rubbing with rubber and steel wool is performed 5000 times, such that the film has excellent anti-fingerprint and abrasion-resistant properties.
Owner:HUNAN TIFUL NEW MATERIAL CO LTD +1

A high gradient magnetic separation device

ActiveCN224493868USludgeNon magnetic
This utility model belongs to the field of wastewater treatment equipment, specifically relating to a high-gradient magnetic separation device, including a flocculation reaction tank, a magnetic field separation box, a sludge tank, and a clear water tank connected by pipes; the flocculation reaction tank is located above the magnetic field separation box, and the sludge tank and clear water tank are located below the magnetic field separation box; the magnetic field separation box is equipped with a stainless steel wool layer, and electromagnets are installed at the upper and lower ends of the magnetic field separation box, with rectifiers connected to the electromagnets; wastewater containing heavy metal ions is first mixed with the magnetic flocculation composite material in the flocculation reaction tank and stirred, and then flows into the magnetic field separation box under gravity. The rectifier applies a magnetic field to the upper and lower ends of the magnetic field separation box. Under the action of the magnetic field, the non-magnetic part is discharged into the clear water tank through the gaps in the stainless steel wool layer, while the magnetic part is captured in the stainless steel wool layer. After the magnetism is deactivated, the magnetic part enriched in the stainless steel wool layer flows into the sludge tank, thereby achieving the effect of sludge-water separation.
Owner:湖北省地质局第七地质大队

Steel wire cotton ball soap liquid filling device

The utility model discloses a steel wire cotton ball liquid soap filling device which comprises a conveying belt, a filling channel, a liquid soap cylinder and steel wire cotton ball bodies, fixing seats are evenly arranged at the top of the conveying belt, the steel wire cotton ball bodies are placed in the fixing seats, the liquid soap cylinder is arranged on one side above the conveying belt, and the liquid soap cylinder is arranged on the other side above the conveying belt. A liquid soap barrel is arranged in the liquid soap barrel, a filling channel is arranged below the liquid soap barrel, a piston is arranged at the top end in the filling channel, an air cylinder is fixed to the bottom end of the liquid soap barrel, the output end of the air cylinder is connected with the piston through a telescopic rod, and a nozzle is arranged at the bottom end of the filling channel through a liquid outlet pipe. By installing the conveying belt, the fixing base, the steel wire cotton ball body, the soap liquid barrel, the filling channel, the air cylinder, the piston, the liquid guide pipe, the first electromagnetic valve, the liquid outlet pipe, the second electromagnetic valve and the nozzle, the filling amount can be adjusted according to the specification of the steel wire cotton ball body, and different soap liquid filling requirements are met.
Owner:HUBEI PROVINCE RUITEWEI STEEL COTTON CO LTD

Preparation of hydrogen storage material and hydrogen storage method

Hollow porous spherical nano nickel powder with the surface coated with magnesium metal is adopted as a hydrogen adsorption material and is filled in a hydrogen storage tank, a steel wool filter layer covers the upper layer, a small number of through-hole magnetic sheets are placed in the filter layer, and the through-hole magnetic sheets and the steel wool form a magnetic filter layer together; nano nickel powder escaping in the hydrogen desorption process can be adsorbed and filtered; under the pressurization condition, hydrogen molecules on the inner surface of the hollow spherical nano nickel powder are closely stacked, similar to a quasi-liquid condition, so that the hydrogen storage capacity is greatly improved; a magnesium metal coating layer is arranged on the outer surface of the hollow porous spherical nano nickel powder, an MgH2 compound can be formed, hydrogen molecules are easily adsorbed on the surface of the magnesium metal coating layer, the overall hydrogen storage capacity can be improved, heating and cooling conditions are not needed, and convenience and practicability are achieved.
Owner:NING BO WU ZHONG YUAN JING DENG LI ZI JI SHU YOU XIAN GONG SI

A steel wire rotary dry rubbing device

ActiveCN224423633USteel woolStructural engineering
This utility model discloses a steel wire rotary dry wiping device, relating to the technical field of steel wire surface residue removal devices; it includes a frame, a wiping mechanism, and a collection mechanism; the wiping mechanism is connected to the top of the frame; the wiping mechanism includes steel wool, a rotating cage, an input shaft, and an output shaft; one end of the rotating cage is rotatably connected to one side of the frame via the input shaft, and the other end of the rotating cage is rotatably connected to the other side of the frame via the output shaft; the rotating cage is filled with multiple steel wool, the input shaft has a first opening corresponding to the rotating cage, and the output shaft has a second opening corresponding to the rotating cage; the steel wire enters the rotating cage through the first opening, and the steel wool in the rotating cage rubs the steel wire to remove dust from the surface of the steel wire, and the steel wire is output through the second opening; the collection mechanism is connected to the frame below the wiping mechanism; it is capable of collecting the dust that falls from the wiping mechanism.
Owner:SHANDONG TENGHE MACHINERY EQUIP MFG CO LTD

UV (ultraviolet) cover film wear resistance detection equipment

The invention relates to the technical field of wear resistance detection, and discloses UV cover film wear resistance detection equipment which comprises a base, a bearing table is arranged on the base in a sliding mode, a UV cover film is arranged on the bearing table, a support is rotationally arranged on the base, steel wool is arranged at the tail end of the support, and a driving assembly is further installed on the base. In the detection process, automatic reciprocating sliding of the bearing table is achieved through the driving assembly, friction action does not need to be manually driven, the labor intensity of operators is greatly reduced, and meanwhile action errors caused by manual operation are avoided; after detection is completed, automatic separation operation can be completed through a linkage mechanism of an adjusting roller only by starting a stepping motor, a downward moving groove of the adjusting roller drives a synchronous frame to move downwards so that the steel wool can be preliminarily separated from the UV covering film, a follow-up protrusion and a strip-shaped groove are matched to drive an ejector rod deflection support to achieve large-amplitude lifting of the steel wool, and sufficient space is provided for disassembly and assembly. The whole separation process does not need manual intervention, and the continuity and efficiency of the detection process are remarkably improved.
Owner:HUIZHOU LANSI PRECISION OPTICAL TECH CO LTD

A steel wire wool welding method of an exhaust gas aftertreatment device

PendingCN122500401ASteel woolSolder paste
The present application relates to the technical field of vehicle exhaust treatment, and particularly relates to a steel wool welding method of an exhaust aftertreatment device, which comprises the following steps: S1, steel wool and sleeve spare parts are prepared and cleaned, solder paste is diluted with water to prepare solder; S2, the steel wool is soaked in the solder, so that the solder is coated on the surface of the steel wool; S3, the steel wool is taken out from the solder, and the steel wool is placed for shade drying; S4, the steel wool is preheated, and the water in the solder on the surface of the steel wool is dried; S5, the steel wool is loaded into the sleeve, and the steel wool is placed in a vacuum furnace, and the solder on the surface of the steel wool is heated and melted; S6, the steel wool is cooled, so that the solder on the surface of the steel wool is solidified, and the steel wool is welded with the inner wall of the sleeve. The present application can make the steel wool have a certain rigidity through a welding process, so that the deformation of the steel wool during installation or work does not cause uneven gaps and affect the reaction of the exhaust gas and urea.
Owner:NINGBO HAINA MACHINERY

Steel wool caddy apparatus, and a method of making, and using same

The present invention relates generally to a content holding apparatus and a method of using same. More particularly, the invention encompasses a steel wool caddy apparatus, and a method of making, and using same. The invention also provides several embodiments of the inventive steel wool caddy apparatus and a method of using same. The invention provides at least one standoff to keep the steel wool or pad above the surface using the least amount of stand-off surface area to dry, and to extend the life of the steel wool or pad. The inventive steel wool caddy apparatus could be used to hold a pad, a steel wool, a steel wool pad, a cleaning pad, a bar soap, a sponge, to name a few.
Owner:MELILLI OTTE MARIA E

A microcrystalline glass anti-fingerprint cover plate with a porous anchoring structure and a preparation method thereof

ActiveCN121627320BCoatingsGlass coverNanohole
The application discloses a microcrystalline glass anti-fingerprint cover plate with a porous anchoring structure and a preparation method thereof, and belongs to the technical field of microcrystalline glass cover plates. From bottom to top, the microcrystalline glass anti-fingerprint cover plate comprises a microcrystalline glass base material, a porous silica anchoring intermediate layer and an anti-fingerprint layer. The porous silica anchoring intermediate layer is composed of hollow silica nanosphere stacks and has a three-dimensional interconnected nanopore structure, a porosity of 40%-60% and a thickness of 100-300 nm. Test results show that the microcrystalline glass cover plate prepared by the application has high hardness (>=8H pencil hardness), high wear resistance (resistance to steel wool friction >=25000 times) and excellent hydrophobic and stain-proof performance (water contact angle >=118° and oleic acid contact angle >=78°), and the anti-fingerprint life is more than three times that of conventional products, and the microcrystalline glass anti-fingerprint cover plate is particularly suitable for high-end electronic device screen cover plates.
Owner:CHANGSHA DAIHUA TECH CO LTD

Laminated film and flexible device

ActiveUS12679940B2CrazingSteel wool
Provided is a laminated film having a high level of surface hardness and excellent bendability, and also having antifouling performance that hardly deteriorates. A laminated film 1 of the present disclosure includes: a support 10; and a resin layer 11 laminated on at least one surface of the support, in which the resin layer satisfies the following Conditions 1, 2 and 3: Condition 1: in a pencil hardness test with a load of 750 g, a pencil hardness is F or greater on a surface of the resin layer of the laminated film; Condition 2: in a cylindrical mandrel test, where the surface of the resin layer of the laminated film is bent into a convex shape, no cracks occur on the surface of the resin layer with a curvature radius of 5 mm; and Condition 3: a surface of the resin layer of the laminated film has a water contact angle of 95° or greater before subjected to a steel wool abrasion test, and a water contact angle on tested areas of the surface is 90° or greater after subjected to the test.
Owner:DAICEL CORP +1

Anti-fingerprint composition, cured article layer, Anti-fingerprint article, and hard coat film

An anti-fingerprint composition comprising: at least one selected from a polyfunctional (meth)acrylate-based monomer, a (meth)acrylate-based prepolymer, and a urethane-based polymer; and a plasticizer, wherein when a cured article layer having a thickness of 10 μm and formed by curing the anti-fingerprint composition is formed on a polyethylene terephthalate film having a thickness of 125 μm and a surface of the cured article layer is rubbed back and forth 5 times over a distance of 10 cm using a #0000 steel wool with a load of 125 g / cm2, the number of scratches generated is 10 or less. According to such a cured article layer formed using the anti-fingerprint composition, the scratch resistance is excellent and a fingerprint residue of sebum can be made invisible without the need to wipe off the fingerprint residue.
Owner:LINTEC CORP

Vacuum coating UV wire drawing finish and its preparation method and application

The application discloses a UV wire-drawing finish for vacuum coating and a preparation method and application thereof, and the preparation raw materials comprise, in terms of weight parts, fluorocarbon modified UV polyurethane resin 20-30 parts, polyurethane acrylic resin 10-20 parts and nano modified UV polyurethane resin 20-30 parts. The application provides the UV wire-drawing finish for vacuum coating and the preparation method and application thereof, so as to solve the problems of slow curing of the paint film, poor steel wool resistance, anti-graffiti and anti-glare effect.
Owner:HUNAN SOKAN NEW MATERIALS CO LTD

A steel wool rolling machine

ActiveCN224298284UConveyor partsMechanical componentsSteel wool
The utility model discloses a steel wire cotton rubs ball machine belongs to steel wire cotton processing technical field, including rubs ball machine and its mechanical component, and the working end of rubs ball machine and its mechanical component is equipped with the receiving subassembly, and the receiving subassembly includes L shaped support frame, and one end fixedly connected with the storage box of L shaped support frame, through the utilization electric telescopic link drive receiving subassembly and the whole forward and backward movement of blanking component, can accurate sleeve rubs ball machine front end rotary rubs ball pole, cooperate the linkage of worm and worm gear, drive rotary ring and unloading block in blanking component, realize unloading block automatic clamping, sliding take down steel wire cotton ball, thoroughly get rid of the tedious and low -efficient of manual ball taking, and the ball taking efficiency is improved greatly, satisfies the industrialization continuous production demand, and the structure design can adapt to most rotary rubs ball pole on the market, need not to carry out complex reform to different model equipment, reduces enterprise equipment upgrading cost, improves equipment versatility and applicability, provides flexible equipment selection scheme for production enterprise.
Owner:HUBEI PROVINCE RUITEWEI STEEL COTTON CO LTD

Red-mud-based UHPC highway guardrail non-dismantling formwork and preparation and installation method thereof

The invention provides a red-mud-based UHPC highway guardrail non-dismantling formwork and a preparation and installation method thereof, and relates to the technical field of road engineering, the formwork is prepared from the following raw materials by weight: 153-187 parts of red mud, 684-836 parts of cement, 144-176 parts of fly ash, 750-850 parts of quartz sand, 140-172 parts of steel fiber, 45-55 parts of steel wire cotton fiber, and 180-220 parts of water; the template comprises 20-30 kg / m of a water reducing agent, the water reducing agent is a polycarboxylic acid water reducing agent, the water reducing rate is 30%, the cement strength grade is not lower than 52.5, and the fly ash is I-grade or II-grade fly ash. The preparation method has the beneficial effects that alkaline components in the red mud can be effectively utilized to excite the activity of the cement in the preparation of the red mud-based UHPC, the UHPC non-dismantling formwork can greatly reduce the generation of construction waste, the green and low-carbon development direction is met, a performance adjusting method and raw material component parameters are provided, and a guarantee is provided for high-quality preparation and installation of the UHPC highway guardrail non-dismantling formwork.
Owner:THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD

Glass ceramic anti-fingerprint cover plate with porous anchoring structure and preparation method of glass ceramic anti-fingerprint cover plate

ActiveCN121627320ACoatingsGlass coverSteel wool
The invention discloses a glass-ceramic anti-fingerprint cover plate with a porous anchoring structure and a preparation method of the glass-ceramic anti-fingerprint cover plate, and belongs to the technical field of glass-ceramic cover plates. The anti-fingerprint glass ceramic comprises a glass ceramic base material, a porous silicon dioxide anchoring middle layer and an anti-fingerprint layer from bottom to top, the porous silicon dioxide anchoring middle layer is formed by stacking hollow silicon dioxide nanospheres and is of a three-dimensional communicated nanopore structure, the porosity is 40%-60%, and the thickness is 100-300 nm. Test results show that the prepared microcrystalline glass cover plate has high hardness (greater than or equal to 8H pencil hardness), high wear resistance (steel wool friction resistance is greater than or equal to 25000 times) and excellent hydrophobic antifouling performance (a water contact angle is greater than or equal to 118 degrees, and an oleic acid contact angle is greater than or equal to 78 degrees), the anti-fingerprint service life is prolonged by more than three times compared with that of a conventional product, and the microcrystalline glass cover plate is particularly suitable for a screen cover plate of high-end electronic equipment.
Owner:CHANGSHA DAIHUA TECH CO LTD

Preparation method of unmanned aerial vehicle anti-icing propeller blade

The application relates to the technical field of high-performance coatings, and particularly discloses a preparation method of unmanned aerial vehicle anti-icing propeller blades. The method comprises the following steps: preparing a bottom layer coating, preparing a surface layer coating, spraying the bottom layer coating on the surface of a propeller blade base material to form a flexible transition layer through ultraviolet light pre-curing, and spraying the surface layer coating on the surface of the transition layer to form a hydrophobic functional layer through ultraviolet light full curing. The flexible transition layer at the bottom provides high adhesion and flexibility, the low surface energy characteristics are endowed by the fluorosilicon synergistic modification in the surface layer, the photo-thermal conversion nanomaterial realizes active ice melting, the closed isocyanate reinforcing layer enhances the interlayer combination, the obtained coating has an initial water contact angle of greater than or equal to 110 degrees, the water contact angle of the steel wool after 1000 times of wear is greater than or equal to 100 degrees, the coating is not cracked and layered after 120-degree bending, and the propeller blade surface is not iced under the wind, rain and snow environment at-20 DEG C.
Owner:DONGGUAN TOPVIEW PLASTIC MFG

Stacked body and use thereof

An object of the present application is to provide a laminate of an acrylic resin film which is excellent in moldability and abrasion resistance. The above object is solved by providing a laminate comprising a specific acrylic resin film and a specific ultraviolet-curing hard coat layer laminated on at least one side of the acrylic resin film, the laminate having a specific crack elongation, a Δhaze of 1.0% or less in a steel wool abrasion test of 5 round trips, and a Δhaze of 1.0% or less in a steel wool abrasion test of 10 round trips. 2 , 5 round trips.
Owner:KANEKA CORP

Automatic forming equipment for steel wool abrasive paper

The utility model relates to the field of steel wool processing. More specifically, the utility model relates to a steel wool sand paper automatic forming equipment, wherein the forming surface of the lower end of the curling forming mechanism can be adjusted in height and angle, so as to be suitable for a variety of steel wool belts with different widths and thicknesses, and the automatic forming of steel wool sand paper of different specifications can be realized. Meanwhile, a guide mechanism is arranged above the conveying surface of the horizontal conveying mechanism. The distance between the two limiting parts of the guide mechanism can be adjusted according to the width of the steel wool belt. The movement track of the steel wool belt is limited by the guide mechanism, so as to ensure the processing quality of the steel wool sand paper.
Owner:HUBEI CHENGLI ABRASIVE GRINDING TOOL CO LTD

Steel wool production dust removal equipment

The utility model relates to a steel wire cotton production dust removal equipment, through the dust that second air pump blows up, cooperation first air pump formed negative pressure suction force and the effective separation of metal braid screen plate to steel wire cotton and dust, can realize the efficient removal of dust in the steel wire cotton production process, guarantee production environment clean and equipment normal operation, the automatic cleaning structure of carousel, connecting column, moving plate and squeegee are formed, can realize the intermittent automatic cleaning of metal braid screen plate, avoid steel wire cotton to block up screen plate, need not manual frequent cleaning, improved the stability and dust removal efficiency of equipment, reduced the downtime maintenance time.
Owner:HUBEI PROVINCE RUITEWEI STEEL COTTON CO LTD

Optical laminate and article comprising the same

To provide an optical laminate capable of achieving excellent scratch resistance and having further improved bending resistance.SOLUTION: The optical laminate 102 includes a transparent substrate 11, a hard coat layer 12, an adhesion layer 13 formed of a sputtered film, an optical functional layer 14 in which a high refractive index layer formed of a sputtered film and a low refractive index layer having a refractive index lower than that of the high refractive index layer are alternately laminated, and an antifouling layer 15 in this order. The hard coat layer 12 contains a silica filler, and the optical layered body satisfies the following conditions 1 and 2. Condition 1: The ratio ((A) / (B)) of the Martens hardness (A) on the antifouling layer side of the optical laminate to the Martens hardness (B) on the hard coat layer side of the laminate having only the transparent substrate and the hard coat layer is 3.6 or less. Condition 2: A difference in contact angles with respect to water between before rubbing and after rubbing in which steelwool is horizontally reciprocated 200 times using a rubbing tester using steelwool in accordance with JISL0849 is 20 ° or less.SELECTED DRAWING: Figure 1
Owner:DEXERIALS CORP

Laminate for flexible display device, laminate for display device, and flexible display device

To provide a laminate for a flexible display device excellent in abrasion resistance.SOLUTION: A laminate for a flexible display comprising a substrate layer and an antistatic layer, wherein a ratio of an angle of contact with water on a side of the antistatic layer to an initial angle of contact with water on the side of the antistatic layer after a steel-wool test in which the side of the antistatic layer of the laminate is rubbed back and forth 2500 times with #0000 steel-wool under a load of 9. 8N is 0.6 or more, and surface resistance on the side of the antistatic layer is 9 * 1013 Ω / square or less. Surface resistance on the side of the antistatic layer is 9 * 1013 Ω / square or less after a rubber eraser abrasion test in which the side of the antistatic layer is rubbed 2500 times back and forth with a 6mm rubber eraser under a load of 9. 8N.SELECTED DRAWING: Figure 2
Owner:DAI NIPPON PRINTING CO LTD