75results about How to "Improve scratch resistance" patented technology

This invention discloses a PETG co-extruded composite sheet and its preparation method. The method involves adding extruder and APET masterbatch to an extruder, then layering and combining the extruder melt and APET masterbatch melt to form a composite melt with an upper and lower layer of extruder and a middle layer of APET masterbatch. This is then shaped by roller pressing to obtain the PETG co-extruded composite sheet. During the blending process of modified polyester and modified filler, the epoxy group structure in the modified polyester molecule can react with the secondary amine in the modified filler, resulting in mild cross-linking and increasing the strength of the polyester material. The modified polyester molecular chain contains polysiloxane segments, and also has polysiloxane segments branched onto its side links. When impacted, the flexible polysiloxane segments absorb and dissipate a large amount of energy through violent movement, rotation, and entanglement. Furthermore, the nano-reinforcing points formed by the cage-like silsesquioxane structure within the molecule contribute to the excellent scratch resistance of the prepared composite sheet.

The present application relates to a kind of scratch-resistant easy-to-color polypropylene composite material and its preparation method and application, belong to the composition technical field of polymer compound.The scratch-resistant easy-to-color polypropylene composite material of the present application includes the following weight parts of component: polypropylene resin 50~99 parts, toughening agent 0~20 parts, filler 0~25 parts, flake graphite 0.05~1.1 parts, scratch-resistant agent 0.5~4 parts;The flake graphite includes flake graphite A and flake graphite B, the mesh number of the flake graphite A is ≥1000 mesh;The mesh number of the flake graphite B is ≤400 mesh, and the flake layer structure between flake graphite B is filled with scratch-resistant agent.The polypropylene composite material not only has excellent scratch resistance, but also has good coloring performance.

This invention discloses a highly filled modified PP masterbatch and its preparation method, belonging to the field of polymer material modification technology. The masterbatch, by weight, consists of the following components: 25-30 parts polypropylene, 60-65 parts heavy calcium carbonate, 2-3 parts compatibilizer, 1-2 parts toughening agent, 0.3-0.5 parts compounded antioxidant, 0.5-1.0 parts lubricant, and 0.2-0.3 parts dispersant. This invention achieves a high-filling system with ≥60% calcium carbonate filling through synergistic optimization of the raw material formulation and precise control of the preparation process. This effectively solves the industry pain points of traditional highly filled modified PP masterbatches, such as filler agglomeration, precipitous decline in mechanical properties, and poor processing stability. The finished masterbatch meets national and industry acceptance standards for industrial equipment shells, automotive interior and exterior trim, and functional parts. The raw material cost is reduced by 15-25% compared to traditional modified PP masterbatches. The preparation process of this invention is simple and can achieve stable mass production using existing general-purpose modification equipment. The product qualification rate is ≥98%, demonstrating excellent economic benefits and broad application prospects.

The application discloses a kind of with gradient buffer structure and surface microtexture enjoy floor and its preparation method.The floor includes surface microtexture layer, gradient solidification UV coating, gradient buffer structure, substrate layer and fast lock buckle system.Surface microtexture layer has double texture of pit array and microprojection array, realize wet / dry state antiskid, easy cleaning and scratch resistance.Gradient buffer structure is made of surface layer microresponse layer, core energy absorption layer and bottom stress dispersion layer, realize nonlinear impact response, give consideration to walking stability and fall protection.Through finite element simulation to buffer layer predeformation compensation, eliminate warping;Pit edge stress concentration activates buffer layer, shortens impact response time 15%-25%.The application first realizes the integration of old and pet friendly function, is applicable to home old and pet family, with excellent buffering, antiskid, durable, easy maintenance performance.

The invention relates to the technical field of automobile parts, and particularly discloses an anti-oxidation corrosion-resistant automobile air-inlet grille and an electroplating process thereof.The anti-oxidation corrosion-resistant automobile air-inlet grille is prepared from phenoxy-terminated siloxane modified polycarbonate, ABS resin, a modified LDHs antioxidant, a compatilizer ABS-g-MAH and a lubricant ethylene bis stearamide through melt blending, extrusion granulation and injection molding. And a copper layer, a nickel-phosphorus layer and a cobalt-chromium layer are further electroplated and deposited on the automobile air-inlet grille, and the anti-oxidation and corrosion-resistant automobile air-inlet grille is formed.

The utility model relates to the technical field of coatings, in particular to a water-based evaporation-resistant waterproof paint coating, which comprises a waterproof primer and a buffer paint layer coated on the waterproof primer, and a compression-resistant layer is further coated on the buffer paint layer.

This invention provides a liquid metal-based thermal grease, its preparation method, and its application. The liquid metal-based thermal grease comprises the following raw materials in parts by weight: 100 parts liquid metal, 2-5 parts silicone oil, 0.1-20 parts thermally conductive powder filler, and 0.1-3 parts other additives. The high-reliability liquid metal-based thermal grease provided by this invention possesses excellent high thermal conductivity, high processability, and high reliability. It can replace traditional thermal grease to solve the heat dissipation and cooling problem of high-power chips, thereby extending the lifespan of electronic products.

The utility model relates to the technical field of automobile center console panel, and disclose a kind of injection molding's automobile center console panel, including injection integrated center console panel main body, the top of center console panel main body is equipped with function mounting plate, the bottom of center console panel main body is welded with guide column, the bottom of guide column is equipped with guide slot, the bottom of center console panel main body is provided with reinforcing mechanism, the top of center console panel main body is sprayed with polyamide wear-resistant coating;The injection molding's automobile center console panel, by setting horizontal reinforcing rib, longitudinal reinforcing rib and triangular reinforcing block, significantly improve panel deformation resistance under the premise of lightweight, prolong service life, by the cooperation of guide column and guide slot, center console panel main body is quickly and accurately positioned, cooperate the antiskid design of buckle slot, ensure that it is firm and not loose after assembly.

This application provides a housing assembly and an electronic device. The housing assembly includes a housing body, at least partially comprising a light-transmitting area. This light-transmitting area overlaps at least with the orthographic projection of an optical module of the electronic device in the direction of the mid-frame. The optical module includes an emitting optical module and / or an incident optical module. The light-transmitting area allows light emitted by the emitting optical module to pass through, and / or allows light to pass through the housing body and be received by the incident optical module. The light-transmitting area includes a first surface disposed opposite to the electronic device body and a second surface disposed adjacent to the electronic device body. A protective layer is disposed on the first surface, corresponding at least to the optical module, and the Mohs hardness of the protective layer is greater than that of the housing body. Therefore, the housing body of the housing assembly adopts a transparent design, and by providing a protective layer on the outer surface of the light-transmitting area corresponding to the optical module, the problem of easy scratching and abrasion on the housing body is solved.

The utility model relates to the technical field of LED display structures, in particular to an efficient heat dissipation LED display structure which comprises a base material layer, a chip layer, an optical adjustment layer and a packaging protection layer, the base material layer is arranged at the bottommost layer, the chip layer is arranged at the upper end of the base material layer, the optical adjustment layer is arranged at the upper end of the chip layer, and the packaging protection layer is arranged at the lower end of the optical adjustment layer. The packaging protection layer is arranged at the upper end of the optical adjustment layer; the chip layer and the base material layer are connected in a bonding mode, and a gap position between the chip layer and the base material layer is filled with a reflective glue filling layer; the optical adjustment layer is attached to the surface of the chip layer; and the packaging protection layer is cured on the surface of the optical adjustment layer.

The utility model relates to the technical field of coated paper, in particular to high-scratch-resistance coated paper. According to the technical scheme, the base paper comprises a base paper body and a lamination layer, the lamination layer is arranged on the upper surface of the base paper body, a smooth wear-resistant coating is arranged on the upper surface of the lamination layer, a plurality of combination grooves are evenly formed in the upper surface of the base paper body, and protruding points are formed in the positions, located in the combination grooves, of the lower surface of the lamination layer. And the convex points are positioned in the combination grooves. According to the laminated paper, the bonding strength between the laminated layer and the body paper layer can be enhanced, the scraping resistance of the surface of the laminated layer is improved, and the phenomena that the laminated layer on the surface of the laminated paper is damaged due to external force scraping and the laminated layer is separated from the body paper layer are effectively avoided.

The invention discloses a high-hardness anti-fog UV (ultraviolet) curing protective film and a preparation process, and belongs to the technical field of inorganic nano materials, the high-hardness anti-fog UV curing protective film comprises a base material layer and a high-hardness anti-fog UV curing layer arranged on the upper end surface, and is characterized in that the high-hardness anti-fog UV curing layer comprises the following components in parts by weight: 30-50 parts of organic resin oligomer, 10-20 parts of organic solvent, 10-20 parts of solvent, 1-5 parts of antioxidant, 1-5 parts of coupling agent and 1-5 parts of coupling agent. 10-30 parts of inorganic nanoparticles, 5-15 parts of an anti-fogging agent, 1-5 parts of a photoinitiator, 10-20 parts of a reactive diluent, 0.1-2 parts of a leveling agent, 0.1-2 parts of a defoaming agent and 0.1-1 part of a stabilizer, and the coating has the beneficial effects that the inorganic nanoparticles are uniformly introduced into a single-layer coating, so that the hardness and scratch resistance of the coating are remarkably improved; the hardness of the coating can reach 3H-5H, the scratch resistance is excellent, no obvious scratches exist on the surface, and the problem that a traditional single-layer protective film is difficult to give consideration to both high hardness and flexibility is effectively solved.

The application discloses a kind of anti-fake color-changing ink and printing process for flat paper to print two-dimensional code, belong to the technical field of ink for anti-fake.The anti-fake color-changing ink according to weight fraction, including: acrylic emulsion 35-40 parts, polyurethane emulsion 15-20 parts, bisphenol A type epoxy resin 5-8 parts, thermochromic material 6-10 parts, hydrogel coated thermochromic material 2-5 parts, temperature-sensitive color-changing capsule 5-8 parts, scratch-resistant additive 2-3 parts, first coupling agent 1-2 parts, second coupling agent 1-2 parts, leveling agent 0.5-0.8 parts, defoaming agent 0.3-0.5 parts, stabilizer 0.5-0.8 parts, first crosslinking agent 2-3 parts, methylsilane 1-2 parts, wax emulsion 1-2 parts, wetting agent 2-3 parts, preservative 0.1-0.5 parts and deionized water 15-20 parts;The hydrogel coated thermochromic material is acrylamide-based hydrogel coated thermochromic material.The anti-fake color-changing ink can simultaneously realize the promotion of anti-precipitation, high adhesion, scratch resistance, high-temperature aging resistance by the synergy of hydrogel coated thermochromic material and scratch-resistant additive.

The application relates to the technical field of hoisting belts, and provides a flexible bearing material for a fatigue-resistant high-strength hoisting tool and a preparation method thereof. The material takes UHMWPE fibers or aramid fibers as a substrate, is activated by low-temperature oxygen plasma, is sequentially subjected to glycidyl methacrylate grafting to introduce epoxy sites, end-amino hyperbranched PAMAM chain extension to construct a multistage active interface, is subjected to a silane coupling agent containing a benzotriazole group to construct a weather-resistant layer, is then loaded with a negative nano-titanium dioxide and polyethylene imine composite system, and is finally crosslinked and solidified by ethylene glycol diglycidyl ether. The application strengthens the interface bonding force through a multistage covalent bonding surface modification structure, simultaneously improves the fatigue resistance, weather resistance and wear resistance of the material, and solves the problems of weak interface bonding of existing hoisting bearing materials, easy wear and aging in cyclic service, and short fatigue life.

This utility model relates to the field of safe box technology, specifically a safe box assembly, including a body, a wear-resistant block, and a docking mechanism. The wear-resistant block is connected to the bottom of the body through the docking mechanism. Several docking mechanisms are provided, each including a circular groove, a circular hole, a first arc-shaped plate, a second arc-shaped plate, a cylinder, and a magnet. The circular groove is located at the bottom of the body, and the circular hole is located on the wear-resistant block, penetrating through it. The first and second arc-shaped plates are both located on the top of the wear-resistant block, and both have protrusions on their outer sides. The inner wall of the circular groove has a groove, and the protrusions match the grooves. One end of the cylinder passes through the circular hole and extends into the gap between the first and second arc-shaped plates. This utility model, a safe box assembly, solves the problem of poor wear resistance in current equipment.

The invention relates to an integrated coating method and system, a composite workpiece and an automobile, a dual-curing coating system is adopted and matched with a light curing process, so that structural parts with different heat resistance can be collinearly sprayed and cured, part color difference caused by independent processing and heat treatment environment difference is effectively avoided, the process period can be greatly shortened, and the production efficiency is improved. The occupied area and the investment cost of a production line are saved, the energy consumption level and the greenhouse gas emission are remarkably reduced, a photocured workpiece can be subjected to a non-illumination-driven secondary cross-linking reaction after being separated from an irradiation environment, and a finally formed paint film has excellent overall hardness and scratch resistance; the paint is especially suitable for links of finished automobile manufacturing, aftermarket paint surface repairing and the like, and can effectively guarantee and prolong the appearance quality of the automobile used in a daily complex environment.

The invention belongs to the technical field of touch screens, and particularly relates to a touch screen with a scratch-resistant coating. The touch screen is high in sensitivity, the coating prepared through hybridization of the organic silicon emulsion and the inorganic silica sol can form nanoscale honeycomb-shaped pores, the problem that a pure inorganic silicon dioxide coating is prone to cracking can be solved, the inorganic silica sol forms cross-linked silicon dioxide particles in the curing process, and when the surface of the touch screen is scratched, the surface of the touch screen is not prone to cracking. The particles can support each other, so that the surface hardness and the scratch resistance are improved; according to the glass substrate, alkali metal is replaced with boron oxide, the melting processing performance of glass is improved during glass melting, the problem of screen failure caused by rapid diffusion of alkali metal cations in the glass after the alkali metal is added is solved, the prepared glass substrate has excellent hardness due to high-content aluminum oxide, and the service life of the glass substrate is prolonged. Through zirconium dioxide, the hardness, wear resistance and chemical corrosion resistance of the glass are further improved, the impact resistance of the substrate is enhanced, and the service life of the touch screen is prolonged.

The application relates to a scratch-resistant high-impact PC alloy material and a preparation method and application thereof, and comprises the following components and weight contents: 40-60 parts of PC resin, 25-40 parts of PBT resin, 5-10 parts of a surface modifier, 5-10 parts of a composite toughening agent, 1-2 parts of a compatilizer and 0.1-1 parts of other additives. The preparation method is that the components are uniformly stirred in a mixing barrel, and are added into an extruder through a main feeding port of a double-screw extruder; the surface modifier is added into the extruder through a side feeding port of the extruder under pressure, and is granulated through extrusion to obtain a scratch-resistant high-impact PC alloy material. Compared with the prior art, the addition of the PBT resin and the surface modifier greatly improves the overall scratch resistance of the PC base material; and the addition of the composite toughening agent improves the impact resistance of the material. The PC alloy material prepared by the method has good appearance, high surface hardness and high notched impact strength, can be widely applied to small household appliance shells, automobile interior parts and other products, is low in cost and has a wide application prospect.

This invention provides a high-hardness, scratch-resistant, water-based two-component polyurethane matte black base coat, its preparation method, and its application. The two-component matte black base coat comprises component A and component B. Component A includes a water-based hydroxyl polyurethane acrylic dispersion, a water-based hydroxyl acrylic dispersion, hydroxyl microspheres, a high-pigment carbon black paste, water-based additives, a film-forming aid, and water. Component B includes a curing agent and a diluent. The matte black base coat of this invention exhibits high hardness, scratch resistance, and chemical resistance. It also demonstrates excellent workability, activation period, and surface finish, making it suitable for water-based two-component matte black base coat systems. It is particularly suitable for decorative and protective applications in the plastic paint industry, such as 3C consumer electronics, where extremely stringent requirements for abrasion resistance, scratch resistance, and chemical resistance are necessary.

The invention relates to a convex high-reflection concave low-reflection color blindness correction lens and a preparation method thereof. It solves the problems of limited design freedom, excessive number of film layers and stress in the prior art. It comprises a transparent lens substrate, a high-reflection film layer formed on the convex surface and a high-transmission film layer formed on the concave surface. The convex high-reflection film layer adopts a multilayer composite structure of silver and silicon dioxide, and through accurate control of the thickness of the silver layer and the matching of the dielectric layer, selective reflection and attenuation of specific color light are realized; the concave high-transmission film layer adopts a multilayer dielectric interference film system design of titanium dioxide and silicon dioxide, realizing accurate transmission and spectral shaping of each waveband. The advantages of the invention are: breaking through the design limitations of traditional single-sided coating, adopting a double-sided asymmetric film system synergistic control strategy, realizing higher spectral selectivity, lower stray light, more natural lens appearance and standardized production of eight types of clinical prescriptions.

The objective of this invention is to provide a photocurable resin composition capable of forming a cured film with excellent smoothness, adhesion, transparency, abrasion resistance, scratch resistance, crack resistance, and weather resistance. The photocurable resin composition of the present invention is a photocurable resin composition containing urethane (meth)acrylate (A), (meth)acrylate monomer (B), photopolymerization initiator (C) and leveling agent (D). The aforementioned (meth)acrylate monomer (B) contains at least difunctional (meth)acrylate monomer (b1) and hexafunctional (meth)acrylate monomer (b2). The content of the aforementioned urethane (meth)acrylate (A) is 45% by mass or more and 75% by mass or less relative to the solid content of the aforementioned photocurable resin composition. The content of the aforementioned (meth)acrylate monomer (B) is 20% by mass or more and 45% by mass or less relative to the solid content of the aforementioned photocurable resin composition. The content of the aforementioned difunctional (meth)acrylate monomer (b1) is 35% by mass or more relative to the content of the aforementioned (meth)acrylate monomer (B).

The utility model discloses a ceramic cup with excellent wear resistance, which comprises a ceramic cup body, the right side of the ceramic cup body is fixedly connected with a handle, and the surface of the handle is fixedly sleeved with a heat insulation sleeve. The ceramic cup body, the base layer, the bonding layer, the wear-resistant protective layer, the first organic silicon resin coating layer, the glass fiber woven layer and the second organic silicon resin coating layer are matched with one another, so that the wear resistance and the scratch resistance of the ceramic cup body are greatly improved, surface scratches and wear can be effectively reduced in daily use, and the service life of the ceramic cup is prolonged. The attractiveness of the ceramic cup is prevented from being influenced, and the service life of the ceramic cup is prolonged.

The application relates to the field of decorative materials, and discloses a scratch-resistant coating, a decorative film and a preparation method of the scratch-resistant coating. The scratch-resistant coating comprises, in mass fractions, 20-30 parts of intrinsic self-repairing polyurethane resin, 5-15 parts of acrylate, 1-4 parts of fluorosilicon resin, 2-5 parts of reactive spherical matting agent, 0.3-0.5 parts of reactive polysiloxane hardening scratch-resistant agent, 7-10 parts of curing agent and 40-50 parts of solvent. The coating prepared has high scratch resistance.

This application provides a film transfer metal strip structure, relating to the field of metal strip technology. The film transfer metal strip structure includes a metal substrate layer, a reinforcing layer, a film transfer pattern layer, and a transparent protective topcoat layer. A first chemical conversion film layer is disposed on the metal substrate layer; the reinforcing layer is disposed on the side of the first chemical conversion film layer facing away from the metal substrate layer; the film transfer pattern layer is disposed on the reinforcing layer; and the transparent protective topcoat layer is disposed on the side of the reinforcing layer facing away from the first chemical conversion film layer and covers the film transfer pattern layer. The first chemical conversion film layer improves the firmness of the reinforcing layer fixed to the metal substrate layer. The reinforcing layer also improves the firmness of the film transfer pattern layer and the transparent protective topcoat layer fixed to the metal substrate layer. The transparent protective topcoat layer protects the internal film transfer pattern layer, reinforcing layer, and metal substrate layer, thereby improving the scratch resistance and weather resistance of the entire film transfer metal strip structure.

The invention discloses a scratch-resistant automotive rubber-coated PC / ABS soft skin composite material and a preparation method thereof. The scratch-resistant automotive rubber-coated PC / ABS soft skin composite material comprises the following raw materials in parts by weight: 10-30 parts of hydrogenated styrene elastomer; 10 to 30 parts of a semi-hydrogenated styrene elastomer; 20 to 50 parts of a polyurethane elastomer; 20-50 parts of a plasticizer; 2 to 20 parts of a maleic anhydride graft; 1-5 parts of a scratch resistant agent; and 0.5-5 parts of an anti-oxidation and anti-ultraviolet auxiliary agent. The scratch-resistant rubber-coated PC / ABS soft skin composite material for the vehicle is prepared by a twin-screw composite modification process, has excellent scratch resistance, small cross scratch color difference and unobvious fingernail scratch marks, and is superior to common elastomer materials in the market; according to the scratch-resistant rubber-coated PC / ABS soft skin composite material for the vehicle, the production process is double-color injection molding integral forming, compared with a traditional coating process, the production steps are greatly simplified, and the forming period is shortened to 40-80 s from original 5-20 min.

This invention discloses a high-strength and tough polyurethane four-proof topcoat for the surface of a silicone rubber heat-insulating layer and its preparation method. The topcoat comprises a surface treatment layer and a polyurethane topcoat. The surface treatment layer includes the following components (by weight): Component A: 40-80 parts film-forming material, 16-32 parts multifunctional organic filler, 24-48 parts inorganic reinforcing filler, and 40-80 parts solvent. Component B: titanate. The polyurethane topcoat comprises 40-60 parts film-forming material, 1-5 parts low surface energy modifier, 50-30 parts inorganic reinforcing filler, 1-5 parts functional additives, and 10-30 parts diluent in component A; component B includes 7-9 parts aliphatic isocyanate and 1-3 parts isocyanate prepolymer. This invention can be applied to the surface of silicone rubber heat protection layers. While meeting the environmental protection requirements of silicone rubber heat protection layer surfaces, it can achieve good bonding performance and thermo-mechanical compatibility with the silicone rubber heat protection layer, and effectively improve the stain resistance and scratch resistance of the environmental protection coating on the surface of the silicone rubber heat protection layer, thereby improving the reliability and appearance quality of silicone rubber heat protection layer products.

The application discloses an anti-impact and anti-scratching automobile hub cover and a preparation method thereof, and relates to the technical field of high polymer materials.The automobile hub cover comprises at least: 100 parts of nylon 6 resin; 5-15 parts of bismaleimide resin prepolymer; 10-15 parts of hydrogenated styrene-butadiene block copolymer grafted maleic anhydride; 10-20 parts of modified basalt fiber; 5-15 parts of modified polyarylate fiber; 0.2-0.5 parts of antioxidant; 0.3-0.8 parts of light stabilizer; 2-4 parts of color master batch; 0.3-0.8 parts of lubricant; the bismaleimide resin prepolymer is prepared by mixing 4,4'-diphenylmethane bismaleimide and 2,2'-diallyl bisphenol A; the modified basalt fiber is co-precipitated and modified by polydopamine, polyethyleneimine and octaamino cage-shaped polyhedral oligomeric silsesquioxane functionalized graphene oxide; and the modified polyarylate fiber is co-precipitated and modified by polydopamine and polyethyleneimine.The automobile hub cover prepared by the application has low moisture absorption, high impact resistance and excellent scratch resistance.

Provided is a decorative sheet having excellent heat resistance, scratch resistance, and stain resistance. A decorative sheet (1) is provided with a raw material layer (2) and a surface protection layer, and the surface protection layer includes: a first gloss adjustment layer (5) that is provided on the raw material layer (2) and contains a cured product of a first ionizing radiation-curable resin, and a second gloss adjustment layer (6) that is provided on the first gloss adjustment layer (5) and contains a cured product of a second ionizing radiation-curable resin; and a second gloss adjustment layer (6) that partially covers the upper surface of the first gloss adjustment layer (5), contains a cured product of a second ionizing radiation-curable resin, and has an uneven structure on the upper surface in which the ratio (RSm / Ra) of the average length (RSm) of a roughness curve element to the arithmetic average roughness (Ra) is in the range of 10-600. The uneven structure includes a plurality of ridge-shaped portions each protruding in a ridge shape.

The present application relates to the technical field of building construction, in particular to a medical spliced antibacterial medical board construction method, comprising the following steps: A, wall surface quality acceptance; B, line marking; C, drilling and inserting screw sleeve; D, installing keel; E, installing fastener; F, installing antibacterial medical board; G, sealing glue; The construction method has the advantages of simple construction process, less construction procedure, high quality reliability and the like; The construction speed can be greatly improved by using the construction method, and the construction period is shortened; Further, the antibacterial medical board adopts a "dry hanging" fixing mode, which ensures the safety of the system; Compared with the phenolic resin board construction, the fireproof grade, wear resistance, formaldehyde content, moisture resistance, stain resistance, scratch resistance and other performances are significantly improved, so that the construction process is more environmentally friendly and safe.

The utility model discloses a scratch-resistant dust-free roll film hierarchical structure, which relates to the technical field of dust-free roll films and comprises a base layer, an anti-static coating is arranged on the outer side of the base layer, a scratch-resistant coating is arranged on the outer side of the anti-static coating, a bonding layer is arranged on the inner side of the base layer, a release layer is arranged on one side of the bonding layer, and the release layer is arranged on the other side of the bonding layer. According to the dust-free roll film, the problems that an existing dust-free roll film is poor in scratch resistance, and meanwhile colloid lacks protection and is prone to being contaminated by dust are solved, the scratch-resistant coating is arranged outside the base layer, and the protective layer is arranged inside the base layer in a layered mode, so that the dust-free roll film is more environmentally friendly, and the service life of the dust-free roll film is prolonged. The scratch-resistant coating and the anti-static coating on the outer side of the base layer are used for preventing static electricity of the roll film and improving the scratch-resistant performance of the roll film respectively, due to the arrangement of layered point breaking of the roll film and different positions of the point breaking positions on the inner side and the outer side, after the release layer and the protective layer are removed, one side of the bonding layer protrudes, the outer end of the roll film can be bonded, the sealing performance is kept, and next use is not affected.