48results about How to "Good anti-scratch effect" patented technology

The invention relates to a blue-light-barrier anti-dazzle optical film and a preparation method therefor. The blue-light-barrier anti-dazzle optical film comprises a transparent substrate which is formed through laminating two layers of transparent films with the thickness of 20-200 microns, wherein a laminating interlayer is a composite adhesive layer, which contains an anti-ultraviolet agent and a blue and purple light barrier dye and has the thickness of 10-30 microns, one face of the transparent substrate is coated with an anti-dazzle and scratch-resistant coating layer with the thickness of 2-10 microns, the other face of the transparent substrate is coated with a pressure-sensitive adhesive, i.e., a binder with the thickness of 5-40 microns, and the surface of the pressure-sensitive adhesive is covered with a release film. The film material plays roles in preventing dazzle, cutting off blue light, reducing visual fatigue and protecting vision and further has the function of protecting a LCD screen from scratch.

The invention relates to a scratch-resistant and high-transparent polycarbonate composite material and a preparation method thereof. The scratch-resistant and high-transparent polycarbonate compositematerial comprises the following raw material components in part by weight: 80-100 parts of polycarbonate, 10-20 parts of flame retardant, 10-20 parts of scratch-resistant agent, 10-15 parts of filler, 0.5-1 part of dispersant and 0.2-1 part of anti-dripping agent. According to the scratch-resistant and high-transparent polycarbonate composite material and the preparation method thereof, by addinga nano-wire with a large length-diameter ratio as the scratch-resistant agent, the influence on the transparency of polycarbonate can be reduced; the prepared polycarbonate composite material has good scratch-resistant effect and good transparency and good material safety, meanwhile, the wear resistance and mechanical property are improved, the scratch-resistant and high-transparent polycarbonatecomposite material can be widely used in the fields of home appliances, automobiles and electronic equipment. When the scratch-resistant and high-transparent polycarbonate composite material is prepared by the invention, twin-screw extrusion equipment is adopted, the flow process is simple and continuous, and the obtained product is stable in quality.

The invention discloses a multifunctional double-layer plant protection box for an electrodynamic unmanned aerial vehicle for plant protection and the unmanned aerial vehicle. The multifunctional double-layer plant protection box comprises an upper box body and a lower box body, wherein a battery containing groove, a wireless receiving module containing groove, a video sending module containing groove and a membrane pump containing groove are formed in the upper end face of the upper box body, a clamping mechanism is arranged on the side wall of the battery containing groove and comprises a spring and a clamping hook, and the wireless receiving module containing groove, the video sending module containing groove and the membrane pump containing groove are provided with threaded holes. The lower box body is used for containing pesticide liquid and is provided with a liquid inlet, an exhausting port and a liquid discharging port, and the liquid discharging port is connected with a liquid discharging pipe. A battery, a wireless receiving module, a video sending module and a membrane pump in the prior art are all installed in the upper box body of the plant protection box, an appearance structure of the electrodynamic unmanned aerial vehicle in the prior art is optimized, and the waterproof, dustproof and scrape-proof capability in the plant protection operating process is also effectively improved.

The invention discloses a film plated silver mirror. The film plated silver mirror comprises a glass base plate; one side of the glass base plate is provided with a silver layer, a transition layer, and a silicone oil layer successively; the combination effect of the silicone oil layer which is hard and compact in surface with the transition layer is capable of improving the scratch resistance andthe oxidation resistance of the film plated silver mirror. The invention also discloses a preparation method of the film plated silver mirror.

The invention discloses a preparation method of anti-glare coated AG glass and belongs to the technical field of antireflection glass. According to the preparation method of the invention, an insoluble and infusible polymer coating film is formed on the surface of glass through a plasma polymerization reaction; the prepared anti-glare coated AG glass has high light transmittance; the polymer coating film has good strength, is insoluble and non-fusible, has high surface hardness and good wear resistance and can significantly improve the light transmittance of the glass under the refractive index, so that the glass has a self-cleaning anti-static function, has high strength, high thermal stability, high-temperature sudden change resistance, high chemical stability, aging resistance and acidand alkali corrosion resistance, and is durable, good in flatness and long in service life in a severe use environment.

The invention provides an anti-fingerprint compound. A chemical structural formula of the anti-fingerprint compound is shown in the description, wherein R1 is H, C1 to C10 straight-chain or branched-chain hydrocarbonyl, C3 to C10 cyclohydrocarbonyl or C6 to C10 aryl; R2 is methyl, ethyl, propyl or isopropyl. The compound provided by the invention has low surface energy and high stability and is green and environmentally friendly; meanwhile, the anti-fingerprint compound has a symmetrical structure and can be firmly combined with a part surface coated with a compound solution, so that a formedanti-fingerprint coating has excellent anti-fingerprint effects of hydrophobic, oleophobic, wear-resisting and the like, and has anti-fingerprint durability. The invention further provides a preparation method of the compound, an anti-fingerprint agent containing the compound and a part with the anti-fingerprint coating.

The invention belongs to the technical field of coating liquid preparation, and particularly relates to a preparation method and application of a coating liquid. In the preparation method, the compatibility of the modified titanium dioxide particles with an organic polymer material is improved; the zinc stearate is beneficial to reducing the friction coefficient of the coating and plays a lubricating role; the composite emulsion formed by the monomer and the titanium dioxide is beneficial to improving the thermoplasticity, toughness, creep resistance and chemical resistance of the coating, when the coating liquid is coated on the film, the problem of adhesion between the films is not easy to occur, and the films are not easy to break; a coating formed by the coating liquid prepared by thepreparation method provided by the invention can simultaneously have the advantages of an organic material and an inorganic material.

The invention discloses a leather-like fabric, comprising a basic cloth and a coating surface, wherein a permeable coating is disposed between the basic cloth and the coating surface, the basic cloth is a knitted fabric, and the coating surface is PVC (polyvinyl chloride). The leather-like fabric disclosed by the invention chooses a permeable coating; on one hand, the layer surface of the coating is thin, so that the coating is not easy to peel off; on the other hand, the product has an enhanced antifriction strength and a great scratch-proof performance via the permeable coating.

The invention relates to the technical field of high polymer materials, in particular to a highly transparent PET (polyethylene terephthalate) scratch-resistant masterbatch and a preparation method. The masterbatch is characterized by comprising the following raw materials in parts by weight: 50-80 parts of PET, 5-20 parts of a scratch-resistant assistant, 5-20 parts of a smooth agent, 10-30 partsof PCTA, 3-8 parts of calcium montanate, 0.1-1 part of an antioxidant and 3-20 parts of an antiblocking agent. A PET sheet prepared from the ingredients in parts by weight is high in transparency andhigh in scratch resistance.

The invention discloses a plastic-wood coextrusion section material and a production method thereof, belongs to the technical field of composite materials. The coextrusion section material provided by the invention comprises a core body and a functional layer, wherein the functional layer covers outside a section material core layer; and the thickness of the functional layer is 0.5-1.5 mm, the surface hardness of the functional layer is 55-72 shore D, the thickness of the core body is 3-100 mm, and the width of the core body is 8.5-300 mm. Compared with the prior art, the plastic-wood coextrusion section material provided by the invention has the excellent surface abrasive resistance and scratch-resistant property and weather ability, the fadedness is greatly reduced as compared with the common plastic-wood coextrusion section material, and a mildew phenomenon does not appear in an application process.

The invention belongs to the technical field of building materials, and particularly relates to a manufacturing method for an aging resistant aluminum alloy plastic-coated door and window profile with texture. The manufacturing method comprises the following steps of (1) modified base material preparing, (2) texture material preparing, (3) aluminum alloy door and window profile manufacturing, and (4) plastic-coated door and window profile manufacturing. The door and window profile is made of aluminum alloy liner and outer resin, the outer resin is made by co-extruding and mixing modified PVC base materials and texture materials, then the outer resin is injected into an auxiliary frame mould to be compounded and molded, after the PVC base materials are modified, the aging resistance, scratch resistance and fire retardance are improved, and relevant performance indicators of the door and window profile are improved; the texture materials comprise mineral pigments of different colors, and in the process of co-extruding and mixing the texture materials and the base materials through different proportions, different colors and unique texture can be formed; the manufactured door and window profile has the advantages of being high in structural strength, aging resistant and beautiful.

The invention discloses a scratch-proof self-release ink-jet printing UV resin and a preparation method thereof. The scratch-proof self-release ink-jet printing UV resin comprises an organosilicon active body, a hydroxyl-containing rigid hyperbranched polyester UV resin and a catalyst A, wherein the terminal group of the organosilicon active body simultaneously contains double bonds and silicon hydrogen bonds. A polyester core with a rigid hyperbranched structure and a large number of terminal reaction groups ensure that the hardness of the cured resin is 3H or above, and a scratch-proof effect is excellent. The prepared UV resin has 100% solid content, and is solvent-free and environment-friendly. In a using process, smoothing auxiliaries such as paraffin, long carbon chain small molecules, soaps, long carbon chain amides and organosilicon do not need to be added externally, meanwhile, an organosilicon molecular chain segment is bonded in a resin matrix, and on the basis of ensuring ahigh release property, precipitation is avoided even if the scratch-proof self-release ink-jet printing UV resin is used for a long time. The resin has high release property and smoothness, and meanwhile contains a certain amount of polar groups, it ensures that a cured coating film has a certain surface tension and dyne value, ink adhesion is facilitated, and the scratch-proof self-release ink-jet printing UV resin has high release property and easiness in inking.

The invention relates to a preparation method of a high-hardness anti-scratch microcrystalline ceramic tile, belonging to the field of ceramic tile preparation. The method comprises the following steps: with fish paste and nickel nitrate as raw materials, preparing ultrafine nickel powder by a liquid-phase reduction process; preparing a microcrystalline glaze layer from waste glass and fly ash; mixing with the ultrafine nickel powder and paving on a common ceramic tile blank; and pressing and sintering to obtain the high-hardness anti-scratch microcrystalline ceramic tile. According to the microcrystalline ceramic tile prepared in the invention, since the ultrafine nickel powder is added into the microcrystalline glaze layer, the hardness is greatly enhanced, and the defect that scratches often occur on the surface of the microcrystalline ceramic tile is solved; moreover, by adopting the waste glass and fly ash as raw materials, waste utilization is realize, the cost is low, and the microcrystalline ceramic tile is an environment-friendly product.

The invention relates to the technical field of thermosensitive labels, in particular to a bottom blue-developing thermosensitive label and a preparation method thereof. The bottom blue-developing thermosensitive label comprises a bottom layer and a dye layer which are sequentially arranged from bottom to top, wherein the bottom layer is carbon-source-free paper, and the dye layer is made of developing dye; the color development dye comprises the following raw materials in parts by weight: 25-30 parts of a colorless buffer toner, 10-15 parts of a color developing agent, 3-8 parts of a flattingagent A, 3-5 parts of a defoamer A, 2.5-3.0 parts of an aqueous polytetrafluoroethylene modified wax dispersion, and 30-35 parts of a solvent A. The dye layer of the bottom blue-developing thermosensitive label can change the color developing of the printed characters in a printing state of a thermosensitive printer, can improve the withered monotonous sense of only single black characters at present and can improve the color development effect. The preparation method of the bottom blue-developing thermosensitive label has the advantages of the simple operation, the easy control, the high production efficiency and the stable quality, and can be used for mass production.

The invention belongs to the technical field of trolley case surface processing and particularly relates to a surface processing method of an anti-scratch plastic trolley case. The method includes: soaking a trolley case base into processing liquid with the temperature being 45-55 DEG C, performing ultrasonic processing for 5-10 minutes, and using washing liquid to wash for 10-20 minutes; sprayingcomposite coating to the washed trolley case base in a working environment of 30-35 DEG C, wherein the thickness of the composite coating is 600-800 micrometers; solidifying the sprayed trolley casebase under the temperature of 60-70 DEG C. Compared with the prior art, the method has the advantages that bonding strength of the coating and the base can be guaranteed effectively, the coating can be fast and stably combined with the surface of the trolley case base, falling off or bubbles can be avoided, the overall strength of the trolley case is increased evidently, and the probability of defective products during production is lowered.

The invention relates to a power battery and a vehicle, the power battery comprises a box body beam and a power battery internal sealing cavity, the box body beam is provided with an anti-scratch bottom cavity, and the anti-scratch bottom cavity is independently arranged relative to the power battery internal sealing cavity and is sealed and isolated; the anti-scratching bottom cavity is formed in the bottom of the box beam and arranged in the circumferential direction of the box beam in a surrounding mode. The anti-scratching bottom cavity is formed in the box body beam, the anti-scratching capability of the whole battery pack can be improved, and the anti-scratching bottom cavity is sealed and isolated from the internal sealing cavity of the power battery, so that the air tightness of the internal sealing cavity of the power battery is not influenced even if the anti-scratching bottom cavity is collided and damaged. The anti-scraping bottom cavity is formed in the bottom of the box beam and surrounds the box beam in the circumferential direction, the anti-scraping capacity of a vehicle chassis can be enhanced in the circumferential direction of the periphery, it can be ensured that a sealing cavity of a whole vehicle battery pack is not scratched or damaged in different directions, and then the safety of a power battery is ensured.

The invention discloses a novel overvoltage protector shell structure which includes a shell body and protective pads. The shell body includes an insulating layer, a heat insulation layer, a protective layer, and a light emitting layer. The insulating layer is made of double-layer epoxy resin. The protective layer includes a bumper pad and a metal net arranged on the surface of the bumper pad. A plurality of hole-shaped slots are arranged inside the bumper pad. A layer of waterproof film is arranged on the surface of the bumper pad. Raised blocks are arranged at the edge of the outer surface of the shell body. Each protective pad includes an arc section and a connecting section. A groove is arranged in the surface of each connecting section. The grooves and the raised blocks are clamped together. Each arc section wraps the corresponding connecting section, and the surfaces of the arc sections are polished. The device has good insulating and heat insulation performances, has a good surface buffering effect and a good anti-scratch role, is not easy to damage in transportation, and has a longer service life.

The invention relates to the technical field of thermoplastic materials, in particular to a thermoplastic elastomer used for injection bonding with polypropylene materials, which comprises the following components in percentage by weight: 25% to 40% of hydrogenated styrene-based elastomer, and a compatibilizer 2 to 4%, mineral filler oil 35 to 45%, inorganic nano filler 15 to 20%, processing aid 0.2 to 1%, antioxidant 0.3 to 1%, polypropylene resin 10 to 15%, and inorganic nano filler to make this product The mechanical properties of the invention are greatly improved, and the elongation rate of injection bonding with polypropylene materials can reach more than 400%, and it also has good anti-scratch performance. Using 2 to 4% compatibilizer, it can be shot bonding with polypropylene materials so that The surface of the adhesive material is delicate and has a good touch.

The invention discloses an anti-doodling scratch-proof tempered artistic coating and a preparation method thereof, and belongs to the technical field of artistic coatings. According to the invention,85-95 parts of modified organic-inorganic hybrid resin obtained by modifying an organic silicon material with hydroxyl fluorosilicone oil, 1-4 parts of nano titanium dioxide, 1-4 parts of nano silicondioxide, 6-12 parts of graphene, 6-10 parts of perlite, 0.5-2 parts of a silane coupling agent and 0.5-3 parts of a dispersing agent are employed; the coating comprises 92 parts of modified organic-inorganic hybrid resin obtained by modifying the organic silicon material with hydroxyl fluorosilicone oil, 2 parts of nano titanium dioxide, 2 parts of nano silicon dioxide, 9 parts of graphene, 7 parts of perlite, 1 part of the silane coupling agent and 2 parts of the BYK-9076 dispersing agent, the obtained coating can be rapidly dried into a film, and the coating is good in anti-doodling effectand scratch resistance after film formation; the stain resistance is excellent, and meanwhile, the anti-corrosion effect is enhanced.

The invention discloses a bottle cover with a knife edge. The bottle cover is sanitary, safe and capable of effectively preventing scratching and comprises a bottle cover body, the knife edge and an annular flange are arranged along the top-surface edge of the bottle cover body in a vertically upward manner, the flange surrounds the knife edge, a dustproof cover matched with the flange is arranged on the upper portion of the flange, the dustproof cover and the flange form a closed space, and the knife edge is arranged on the top surface of the bottle cover body or on the same in the dustproof cover. By arranging the dustproof cover on the bottle cover, cleanliness of the knife edge is guaranteed effectively, and the knife edge is prevented from scratching a user or a contactee.

The invention provides a preparation method of an imitation metal wiredrawing composite high light film. The preparation method includes the steps of: selecting a PET wiredrawing film, performing a corona treatment on the surface of the PET wiredrawing film, coating an adhesion promotion resin layer on the surface of the PET wiredrawing film without wiredrawing stripes, coating a photocurable resin containing anti-dazzle particles on the surface of the adhesion promotion resin layer, forming an anti-dazzle scratch-proof coating after UV light irradiation, coating a polyurethane resin on the surface of the PET wiredrawing film as a primer agent layer, performing vacuum-plating aluminum on the surface of the primer agent layer with a winding vacuum coating device, coating a compound adhesive on the surface of the vacuum-plating aluminum layer, and compounding the PET wiredrawing film and the PVC film under heating and pressurizing condition. The composite high light film has a lifelike imitation metal wiredrawing pattern, and has good anti-dazzle effect and high composite intensity, is boiling-resistant and scratch-proof, and has wide application range.

The invention relates to the technical field of high polymer materials, in particular to a highly transparent PET (polyethylene terephthalate) scratch-resistant masterbatch and a preparation method. The masterbatch is characterized by comprising the following raw materials in parts by weight: 50-80 parts of PET, 5-20 parts of a scratch-resistant assistant, 5-20 parts of a smooth agent, 10-30 partsof PCTA, 3-8 parts of calcium montanate, 0.1-1 part of an antioxidant and 3-20 parts of an antiblocking agent. A PET sheet prepared from the ingredients in parts by weight is high in transparency andhigh in scratch resistance.

The invention discloses a novel high-intensity waterproof watch which comprises a watch case, wherein a watch movement is mounted in the watch case; the watch case is molded by injection of engineering plastic or fiber reinforced plastic; the watch case is provided with a glass mirror surface and a rear cover; an annular metal bracket is buried in the watch case; the cross section of the metal bracket is of an L shape; the horizontal part of the metal bracket is in contact with the lower surface of the glass mirror surface; the vertical part of the metal bracket is in contact with the side surface of the glass mirror surface. The watch case of the novel high-intensity waterproof watch is made of a plastic material; compared with a traditional metal watch case, the watch case is higher in falling resistance and scratching resistance and is lighter and thinner; through the adoption of an injection molding process, later processing is avoided, so that the cost is lower; as the metal bracket is buried in the watch case, the mechanical property and the waterproofing performance of the watch case are improved.

The utility model relates to the technical field of non-woven fabrics, and discloses a high-efficiency environment-friendly non-woven fabric with a good flame-retardant effect, which comprises a non-woven fabric sleeve, an exhaust pipe is inserted in the inner side of the non-woven fabric sleeve, and one side of the non-woven fabric sleeve close to the exhaust pipe is fixedly connected with a flame-retardant component. The end, away from the flame-retardant assembly, of the non-woven fabric sleeve is fixedly connected with a protection assembly for improving the protection effect of the non-woven fabric sleeve and preventing scratching, the flame-retardant assembly comprises a glass fiber cloth layer fixedly connected to the side, close to the exhaust pipe, of the non-woven fabric sleeve, and in daily use, the non-woven fabric sleeve is arranged on the outer side of the exhaust pipe in a sleeving mode; and meanwhile, the anti-scratching effect of the non-woven fabric sleeve is improved through the protection assembly, so that in the using process of the non-woven fabric sleeve, the flame-retardant effect can be effectively improved, the protection effect on parts around the exhaust pipe is enhanced, meanwhile, the service life of the non-woven fabric is prolonged, damage to the non-woven fabric is reduced, and the environment-friendly effect is improved.

The present invention provides an active light curing type composition and an ink composition containing the active light curing type composition. The active light-curable composition is characterizedby containing (A) a nonionic surfactant having a HLB of less than 5 represented by a specific formula, (B) a photocurable monomer and / or oligomer, and (C) a photopolymerization initiator. The contentof the component (A) is from 0.01 to 5.0% by mass. The active light-curable composition of the present invention can exhibit wettability to a material lacking ink absorbability, excellent scratch resistance at the time of forming a coating film, and antifouling property to an oil-based marker or the like. In the case of an ink composition for a transparent ink, high transparency can be imparted.

The invention relates to a blue-light-barrier anti-dazzle optical film and a preparation method therefor. The blue-light-barrier anti-dazzle optical film comprises a transparent substrate which is formed through laminating two layers of transparent films with the thickness of 20-200 microns, wherein a laminating interlayer is a composite adhesive layer, which contains an anti-ultraviolet agent and a blue and purple light barrier dye and has the thickness of 10-30 microns, one face of the transparent substrate is coated with an anti-dazzle and scratch-resistant coating layer with the thickness of 2-10 microns, the other face of the transparent substrate is coated with a pressure-sensitive adhesive, i.e., a binder with the thickness of 5-40 microns, and the surface of the pressure-sensitive adhesive is covered with a release film. The film material plays roles in preventing dazzle, cutting off blue light, reducing visual fatigue and protecting vision and further has the function of protecting a LCD screen from scratch.

The invention discloses an anti-scratching high-strength glass dining table and a manufacturing method thereof. The anti-scratching high-strength glass dining table comprises a No.1 bar-shaped frame, wherein two sets of horizontal fixing plates are embedded at four corners of the inside surface of the No.1 bar-shaped frame; a rectangular support pillar is arranged at the center of the lower surface of each horizontal fixing plate; a swinging anti-scratching mechanism is arranged on a lateral surface of each rectangular support pillar; a plurality of short cylinders are embedded at the edge of the upper surface of the No.1 bar-shaped frame; No.1 high-strength glass matched with the No.1 bar-shaped frame is sleeved on the short cylinders; a plurality of No.2 rectangular grooves are formed on the upper surface of the No.1 high-strength glass; a dinner cloth supplying mechanism is arranged in each No.2 rectangular groove; a fixing mechanism is arranged in the lateral surface matrix of each rectangular support pillar. The anti-scratching high-strength glass dining table is a device with excellent anti-scratching effect, convenience in operation, good shielding effect, stable fixing effect in use, novel structure and beautiful appearance.

The utility model discloses a wafer transfer device with a scratch-proof structure, which belongs to the technical field of wafer transfer devices and comprises a clamping transfer component, an air cylinder part is arranged at the upper end of the clamping transfer component, a mounting seat is arranged on one side of the air cylinder part, and a support component is connected to the bottom wall of one end, far away from the air cylinder part, of the mounting seat. According to the utility model, by starting the electric slide rail, the connecting frame and the clamping arm can move left and right, the two groups of clamping blocks can be close to each other, a wafer can be clamped and placed in the groove, and the wear between the side walls of the wafer can be effectively reduced by using the wear-resistant layer, so that the service life of the wafer is prolonged. And the contact area between the wafer and the clamping block can be reduced through the arranged inclined plane part, the scratch-proof effect can be achieved, abrasion to the surface of the wafer is reduced, scratches are reduced, then the motor is started, the rotating frame can be driven to rotate, the mounting base, the air cylinder part and the clamping and transferring component are made to rotate, and the wafer can be transferred.

The invention discloses anti-scratching extra-hard glass and a preparation method thereof, relating to the improvement and development of amorphous carbon nitride in the manufacturing field of glass. The anti-scratching extra-hard glass comprises a glass substrate, wherein a buffer nanolayer is arranged on the glass substrate, a nanometer transition layer is arranged on the buffer nanolayer, and a carbon nitride nanolayer is arranged on the nanometer transition layer. According to the anti-scratching extra-hard glass, as aluminum oxide and carbon nitride are taken as the transition layer of the glass substrate, the adhesive force of a membrane layer is increased; by buffering the internal stress of aluminum oxide or carbon nitride by virtue of silicon dioxide, the stress difference between the membrane layer in the front part and a carbon nitride layer can be decreased, the rigidity and the adhesive force of the membrane layer are improved, and the abrasive resistance of the membrane is enhanced; the phenomena that a thin layer is broken and falls off and the transmittance of a carbon nitride structural layer system is low caused by the large stress difference between a substrate and layer materials after the carbon nitride structural layer system is plated are solved; the Moh's hardness measurement reaches a level 6.5, and good anti-reflection and anti-scratching effects are achieved.

The invention discloses a water-based UV floor paint with a scratch-resistant function. The water-based UV floor paint is composed of a primer and a finish paint, wherein the primer comprises the following components in percentage by weight: 50-60% of waterborne polyurethane, light calcium carbonate, polyethylene glycol, an isocyanate cross-linking agent, an organic silicon defoamer and water; andthe finish paint comprises the following components in percentage by weight: polyurethane acrylic resin, water-based unsaturated polyester acrylate resin, a photoinitiator, a dispersing agent, a delustering agent, nano aluminum oxide, zinc oxide, a coalescing agent and water. According to the invention, the nano-alumina and the micron-sized zinc oxide are added and matched with each other, so that a very good scratch-resistant effect can be achieved, and the effect is obviously superior to that of market products.