69 results about "Antibacterial coating" patented technology

The application belongs to the technical field of dental antibacterial materials, and discloses a kind of nanometer composite antibacterial coating for dental material and preparation method thereof.Method: monomer modified arginine, monomer N-isopropyl acrylamide, monomer methyl hexyl acrylate, initiator azobisdimethylamino propanamide hydrochloride, dispersing agent cetyltrimethylammonium bromide and crosslinking agent N,N-methylene bis(acrylamide) are dissolved in water, and the reaction is carried out under protective atmosphere, dialysis, to obtain nanogel dispersion;The nanogel dispersion is mixed with the nanometer zinc oxide dispersion to obtain a nanogel composite zinc oxide antibacterial coating, and a coating is formed after coating.The nanometer composite antibacterial coating for dental material has excellent retention capacity and antibacterial performance.

The application discloses a multifunctional antibacterial coating bone implant device based on a selective vacuum perfusion process and a preparation method thereof. The method comprises the following steps: 1) pretreating a titanium alloy base; 2) performing anodic oxidation treatment on the pretreated titanium alloy base to construct a nanotube structure on the surface of the titanium alloy base; 3) selectively coating the treated titanium alloy base with a hydrogel adhesive, then immersing the titanium alloy base in a povidone iodine mixed solution to perform vacuum perfusion, and performing post-treatment, then again performing selective coating, immersing the titanium alloy base in a solution containing a bone growth promoting factor to perform vacuum perfusion, and performing post-treatment, then again performing selective coating, immersing the titanium alloy base in a solution containing a blood vessel growth promoting factor to perform vacuum perfusion, and performing post-treatment; and 4) encapsulating the obtained sample surface with an in-situ self-polymerized polydopamine layer, washing and freeze-drying. The bone implant device has antibacterial, bone growth promoting and blood vessel growth promoting functions, and can greatly improve the curative effect on bone fracture symptoms accompanied by infection.

The application discloses a kind of photoresponsive self-repair antibacterial nylon materials and preparation method thereof.The material is modified nylon 6 polymer, aromatic Schiff base dynamic imine bond generated by condensation reaction of carboxyl benzaldehyde and p-phenylenediamine is embedded in its molecular main chain, which gives the material the ability of light-triggered self-repair without external heat source, and unexpectedly improves the mechanical properties and thermal stability of the material, the molecular chain end is bonded with antibacterial organic acid through amide bond, and the antibacterial organic acid is 2-methyl-4-(trifluoromethyl) thiazole-5-carboxylic acid.The preparation method adopts one-pot two-stage polymerization, after pressure opening ring prepolymerization, pressure relief vacuum is carried out to carry out deep condensation and end-capping, and the product is obtained by extrusion granulation and drying.The material can realize room temperature self-repair under natural light, and the antibacterial component is non-dissolution fixed.The application process is simple, the performance is adjustable, and can be used in the field of intelligent packaging, repairable antibacterial coating and biomedical materials.

The application relates to the technical field of building, and discloses indoor sound insulation and antibacterial coating, which is applied to the surface of a building wall base layer and comprises, from inside to outside, a high-permeability alkali-resistant sealing primer layer, a porous composite sound-absorbing middle layer for gap friction attenuation of sound waves, an antibacterial agent slow-release depot layer for providing long-acting antibacterial active substances, and a photocatalytic sterilization and purification layer. The composite coating system of the application resolves the technical problems of easy agglomeration of sound-absorbing fillers and nanometer antibacterial agents in direct blending in traditional processes and mutual hindering of the effects by scientifically constructing a multi-dimensional functional layered system. The system not only realizes excellent broadband sound insulation and noise reduction effects by virtue of the composite acoustic structure of quality reflection, porous dissipation and damping heat conversion, but also combines the double-effect biochemical mechanisms of deep ion slow release and surface photocatalysis to ensure long-acting broad-spectrum sterilization and decomposition of volatile organic compounds.

The application discloses an antibacterial wear-resistant packaging paper and a production process thereof, and belongs to the technical field of packaging paper. The production process comprises the following steps: S1, polyvinyl alcohol is added into deionized water, and the polyvinyl alcohol is dissolved under stirring at 95 DEG C to obtain a PVA solution; after the PVA solution is cooled to room temperature through mechanical stirring, a siloxane grafted quaternary ammonium cellulose suspension, a wear-resistant component and a crosslinking agent are added; after stirring at room temperature for 1 h, an antibacterial coating solution is obtained; and S2, the antibacterial coating solution is uniformly coated on the surface of a packaging base paper, the coating thickness is 60-100 microns, and the packaging paper is dried at 90-100 DEG C for 30-60 min; after being cooled to room temperature, the antibacterial wear-resistant packaging paper is obtained. In the antibacterial coating solution, the siloxane grafted quaternary ammonium cellulose and the wear-resistant component are introduced, and various combination relationships exist between the two, so that the coating density is increased, the packaging paper is endowed with good antibacterial property, and the water resistance and wear resistance of the packaging paper are improved.

The application discloses a drainage bag with an antibacterial functional layer and a preparation process thereof, and relates to the technical field of medical materials, and comprises the following steps: adding modified montmorillonite into N, N'-dimethylacetamide, uniformly mixing through ultrasonic, adding a polyurethane film, ultrasonic immersion for 60-120 min, drying, and obtaining a drainage bag substrate; adding polylactic acid into N, N-dimethylformamide, uniformly stirring and mixing, adding modified nano zinc oxide, uniformly mixing through ultrasonic, and then performing electrospinning to obtain an antibacterial coating fiber film; placing the antibacterial coating fiber film on the inner side surface of the drainage bag substrate, high-frequency heat sealing, assembling, and obtaining the drainage bag.

The application relates to the technical field of medical materials, and discloses an antibacterial coating containing a peptide-like substance and a preparation method thereof, which comprises the following steps: step 1, preparing an antibacterial solution containing a peptide-like substance; step 2, cleaning and drying the surface of a medical material; step 3, immersing the medical material treated in step 2 in the antibacterial solution in step 1 and standing, then taking out and drying the medical material, and preparing the antibacterial coating on the surface of the medical material; the antibacterial solution containing the peptide-like substance comprises the following raw material components according to 100% by mass: 0.1-2% of a peptide-like substance, 5-20% of tannic acid, 0.5-2% of hydrochloric acid, and the rest is an organic solvent; the peptide-like substance has the following structure. In the application, the peptide-like substance compound with excellent antifungal effect is used in cooperation with natural plant polyphenol tannic acid, the hydrogen bond and the pi-pi stacking between the tannic acid and the peptide-like substance are used together, a hydrophobic antibacterial coating with excellent antibacterial effect, stable adhesion and uniformity is formed on the surface of the medical material.

This invention provides an antibacterial cotton fiber based on silver-doped carbon quantum dots (Ag-CQDs), its preparation method, and its applications, belonging to the field of functional textile materials technology. This invention employs a microwave method for the rapid synthesis of silver-doped carbon quantum dots (Ag-CQDs). Utilizing the instantaneous high temperature, uniform heating, and electron transfer-promoting properties of microwaves, silver ions rapidly combine with the oxygen- and nitrogen-containing functional groups of the carbon precursor, forming a covalent / coordination composite structure of silver-doped carbon quantum dots. Further chemical modification of the cotton fiber generates numerous active reaction sites on its surface. Finally, Ag-CQDs are firmly loaded onto the cotton fiber surface and surface voids through covalent bonds, coordination bonds, and hydrogen bonds, forming a uniform, continuous, strong, and washable antibacterial coating. The resulting silver-doped carbon quantum dot-based cotton fiber exhibits long-lasting antibacterial properties, along with low toxicity, high stability, and good bonding strength, demonstrating excellent application prospects in the field of long-lasting antibacterial textile materials.

This invention discloses an antibacterial agent containing acrylic acid and a halogenated amine copolymer, a PVA antibacterial film containing the antibacterial agent, and a preparation method thereof. The antibacterial agent is synthesized by aqueous copolymerization of acrylic acid and halogenated amine monomers. The copolymer is then mixed with polyvinyl alcohol at a mass ratio of (2-10):5, stirred, coated onto a substrate, dried, and then sprayed with a neutralized dilute sulfuric acid and bleach mixture for chlorination. After standing and cleaning, the film is ready. This antibacterial agent possesses excellent water solubility and stability, overcoming the migration defects of small-molecule antibacterial agents. When blended with polyvinyl alcohol to prepare an antibacterial film, the intermolecular interactions significantly improve the flexibility and extensibility of the film material. Furthermore, it achieves a 100% bactericidal rate against Staphylococcus aureus and Escherichia coli within 10 minutes. It is suitable for antibacterial coating protection on solid and fabric surfaces, and is convenient and efficient to use.

The present application provides a kind of light wear-resistant bacteriostatic medical coating, including titanium transition layer, and diamond-like carbon film layer in the surface of titanium transition layer, silver and copper are contained in the diamond-like carbon film layer;And the preparation method of light wear-resistant bacteriostatic medical coating, including S1: raw material preparation and pretreatment;S2: Ar ion etching;S3: Ti transition layer deposition;S4: Ag, Cu co-doped deposition;S5: cooling, breaking vacuum.This technical solution has broad-spectrum bacteriostatic effect, and high bacteriostatic rate, reaches high-efficiency sterilization under lower total metal content, reduces endoscope related cross infection problem;Meanwhile, the coating has strong chemical inertness, dense structure without pore, resists multiple disinfection methods, titanium transition layer and silver copper doped structure do not dissolve, do not fail, avoid the problem that traditional antibacterial coating rapidly degrades, fails, falls off after repeated disinfection, meanwhile, the corrosion of disinfection medium to internal metal matrix is isolated, the performance of instrument is stable.

This invention provides a wash-resistant, long-lasting antibacterial coating based on copper alloy powder, a coating layer, and its preparation method, belonging to the field of coating technology. The coating consists of copper alloy powder dispersed in a silane coupling agent-modified thermoplastic elastomer polymer solution; wherein the mass fraction of copper alloy powder is 0.1%-20%, the mass fraction of thermoplastic elastomer polymer is 0.1%-50%, and the mass fraction of silane coupling agent is 0.05%-1%. This invention achieves ultra-high interfacial bonding strength of the alloy powder on the fiber surface by combining copper alloy powder with a flexible polymer material and utilizing the strong coordination bonding provided by the combination of the elastomer polymer and fiber.

The application relates to the technical field of tracheal catheters, and discloses a medical tracheal catheter with double coatings of local anesthetic and antibacterial drugs, which comprises a catheter main body and a cuff main body connected to the outer wall of the catheter main body, the catheter main body comprises a catheter base material layer, a first transition bonding layer, a first nano local anesthetic coating and a first antibacterial coating; the cuff main body comprises a cuff base material layer, a second transition bonding layer, a second nano local anesthetic coating and a second antibacterial coating; a tracheal tube is mounted on the catheter main body; and a head tube is connected to the bottom end of the catheter main body. The first nano local anesthetic coating, the first antibacterial coating, the second nano local anesthetic coating and the second antibacterial coating are arranged, so that the catheter main body and the cuff main body can realize a synergistic protection mechanism of analgesia and antibiosis; during the process of leaving the catheter, the local anesthetic drug acts on the mucosa of the tracheal wall through slow release, and the antibacterial component effectively reduces bacterial adhesion and biofilm formation.

This invention discloses a zinc oxide capsule, a polypropylene antibacterial coating, its preparation method, and its application. The preparation method of the zinc oxide capsule includes: S1. mixing zinc oxide, emulsifier, initiator, triethylamine, and water to obtain a core material mixture; S2. mixing acrylic acid monomers and an organic phase change material to obtain a wall material mixture; S3. mixing the core material mixture and the wall material mixture, and heating to react, thereby obtaining the zinc oxide capsule; in step S2, the acrylic acid monomers contain acrylic acid, resveratrol, and allylcyclopentane in a mass ratio of 1:(0.1-1.5):(0.1-1). The zinc oxide capsule prepared by this invention can simultaneously improve the antibacterial effect, adhesion, wear resistance, and aging resistance of the polypropylene antibacterial coating.

The present invention relates to a modified polylactic acid oligomer, a preparation method therefor, and a use thereof. The modified polylactic acid oligomer has a structure as shown in the following formula (I). The modified polylactic acid oligomer obtained by copolymerization of 5-hydroxy-2-hexenoic acid and lactic acid in the present invention exhibits more excellent, stable, and long-lasting antibacterial activity, significantly improved antibacterial efficiency, an increased sterilization rate, and shortened sterilization time; when the modified polylactic acid oligomer is applied to various antibacterial coatings and textile finishing processes, the surface no longer exhibits a wet and sticky feel, thereby further facilitating the commercialization and widespread application of the material; in addition, the modified polylactic acid oligomer exhibits higher affinity for a target substrate, thereby improving the durability, stability, and washing resistance of a surface coating.

This invention relates to the field of coating technology and proposes an aerogel antibacterial coating and its preparation method. An aerogel antibacterial coating comprises the following components by weight: 35-45 parts epoxy resin, 8-12 parts quaternized SiO2 aerogel, 1-1.5 parts antibacterial agent, 15-20 parts curing agent, 2-3 parts wetting agent, 0.5-1 part defoamer, and 25-28 parts water; the antibacterial agent includes ε-polylysine. This technical solution solves the problem of poor antibacterial properties of existing aerogel coatings.

This invention belongs to the field of coating technology. Specifically, it discloses an environmentally friendly antibacterial coating and its preparation method, comprising the following components by weight: 45-55 parts waterborne epoxy emulsion, 14-18 parts modified shell powder, 6-10 parts film-forming aid, 3-6 parts pigment, 2-4 parts wetting agent, 0.2-0.8 parts leveling agent, 0.2-0.8 parts defoamer, and 15-20 parts water. The film-forming aid includes hydroxyl-containing waterborne acrylic resin and diatomaceous earth, wherein the mass ratio of the waterborne acrylic resin to diatomaceous earth is 1:(0.2-0.5). The coating exhibits excellent antibacterial properties.

The present application relates to the technical field of plastic packaging materials, and discloses an environment-friendly plastic bag and a preparation method thereof, which comprises the following steps: performing surface pretreatment on a low-density polyethylene base material through corona treatment; coating a chitosan-sodium-based montmorillonite composite inner layer barrier coating on the surface of the base material; performing crosslinking pretreatment on the inner layer coating by using citric acid to form a three-dimensional network structure; coating an alginate propylene glycol ester-chitosan grafted polymer composite intermediate transition layer to realize interface bridging; coating a nano-silver-sodium alginate outer layer antibacterial coating; respectively curing each layer of coating by using a 60 DEG C-70 DEG C-80 DEG C three-section gradient curing process; and heat sealing and forming into a plastic bag. The peeling strength of the coating is improved from below 0.5 N / cm to above 2.5 N / cm, the coating integrity is maintained above 95% in a high-humidity environment, and the technical effects of high interface bonding strength, barrier-antibacterial synergistic function and recyclable utilization are realized.

The application discloses a composite titanium dioxide interface bonding sterilizing agent and a preparation method thereof, and belongs to the technical field of inorganic antibacterial materials. The sterilizing agent is in-situ compounded by anatase titanium dioxide, cerium bromide and silver iodide, and the molar amount of the cerium bromide is 0.02-0.08 and the molar amount of the silver iodide is 0.04-0.20, with the molar number of the titanium dioxide being 1. The components are compounded through crystal face matching, chemical bond matching and energy band gradient matching to form a continuous interface bonding structure of Ti-O-Ce-Br-Ag-I and constitute a ternary coherent heterojunction. The application realizes efficient cooperation through crystal face matching, chemical bond matching and energy band gradient matching, generates high-activity oxygen species under visible light to realize rapid sterilization, realizes long-acting bacteriostasis through controllable release of Ag+ and I-, and improves the stability of the system by means of Ce3+ / Ce4+ circulation. The preparation adopts a low-temperature alcohol heating process, is suitable for industrial production, and has the advantages of mild conditions, no calcination and the like. The obtained sterilizing agent has the advantages of fast sterilization, long bacteriostasis period, high stability, non-toxicity, environmental protection and the like, and can be applied to the fields of medical disinfection, water treatment, air purification and antibacterial coating and the like.

The application discloses a black TiO2 / Fe-based medium-entropy alloy composite coating with antibacterial and degradation properties, which is composed of a Fe-based medium-entropy alloy coating and a black TiO2 sealing agent. The Fe-based medium-entropy alloy coating is sprayed on the surface of a substrate by a plasma spraying technology, and the porosity of the coating is 2.25% to 4.88%. The black TiO2 sealing agent prepared by a sol-gel method is used to seal the pores of the Fe-based medium-entropy alloy coating, thereby reducing the porosity of the coating and making the coating more compact. The Fe-based medium-entropy alloy coating has the antibacterial property of metal ions, and the black TiO2 sealing agent also has the photocatalytic effect under sunlight and near-infrared light, can produce a synergistic effect with the metal ions, and more efficiently improves the antibacterial effect of the coating. In addition, due to the photocatalytic activity of the black TiO2 sealing agent, the composite coating also has the function of degrading organic pollutants.

The application discloses a preparation method of food-grade rice bran wax-based super-hydrophobic antibacterial coating and application thereof, and belongs to the technical field of coating. The method comprises the following steps: dissolving food-grade rice bran wax in an organic solvent, adding a food-grade emulsifier, and forming a rice bran wax-emulsifier composite solution; dispersing nano antibacterial raw materials in a non-polar solvent, adding a silane coupling agent, and performing surface modification under acidic conditions to obtain hydrophobic nano antibacterial powder; and compounding the rice bran wax-emulsifier composite solution and the hydrophobic nano antibacterial powder to obtain food-grade rice bran wax-based super-hydrophobic antibacterial coating. The coating is coated on the surface of a substrate, dried and solidified to obtain a super-hydrophobic antibacterial coating. Through the synergistic effect of rice bran wax and modified nano antibacterial raw materials, a stable micro-nano rough structure is constructed, so that the coating has excellent super-hydrophobic performance and persistent broad-spectrum antibacterial function. The coating has good mechanical strength and environmental friendliness, and is suitable for food and drug packaging, medical materials and other fields.

The application belongs to the technical field of ceramic surface modification, and particularly relates to a ceramic surface composite antibacterial coating and a preparation method thereof. The method first prepares two novel inorganic antibacterial materials, namely silver-doped zinc germanate and sodium-doped copper-manganese co-doped zirconium phosphate. Then the two antibacterial materials are mixed with nano-titanium dioxide, silica sol, borosilicate glass powder and a dispersing agent according to a specific weight ratio, and are subjected to ultrasonic dispersion and ball milling to prepare an antibacterial coating slurry. The pretreated ceramic substrate is coated with the slurry, dried, and then subjected to electron beam evaporation to deposit a silica protective layer. Finally, heat treatment is performed at a specific temperature, so that a composite antibacterial coating with a thickness of microns is formed on the surface of the ceramic substrate. In the coating prepared by the application, the two inorganic modified compounds synergistically act to realize the dual mechanisms of contact antibacterial and photocatalytic antibacterial, and the coating is firmly combined with the ceramic substrate, has excellent and long-lasting antibacterial performance.

The utility model discloses a kind of automobile air ducts with airflow guide vane, it includes air duct main body, flow guide plate, airflow guide vane and mechanical linkage structure. Wave-shaped airflow guide vane is arranged in air duct main body, angle adjustment is realized by adjusting knob, transmission rod, gear and rack, and airflow distribution is optimized;Arc-shaped flow guide groove and flow guide hole are provided on flow guide plate, cooperate with shunt block and spiral blade to further guide airflow direction, improve flow efficiency.Elastic support piece combines buffer pad and antibacterial coating filter screen, improve indoor air quality.The present application can evenly distribute airflow, enhance ventilation effect, and flexibly adapt to different use requirements.

This invention provides a method and application for preparing biological dressings using a combination of enzymes. The preparation method includes static water thawing; dehairing and degreasing; cutting and segmenting; fine trimming and perforation; iodine immersion treatment; purified water immersion treatment; trypsin and neutral protease solution immersion treatment; purified water immersion treatment; antibacterial coating treatment; packaging; and irradiation. This invention significantly improves the antigen removal rate through the combined use of two enzymes. The combined use of these two enzymes enables comprehensive and efficient degradation of different types of heterogeneous proteins, forming a complementary enzymatic process. The combined use of two enzymes can greatly increase the antigen removal rate, significantly improve the biocompatibility of the biological dressing, reduce the risk of immune rejection in clinical applications, and the prepared biological dressing has good biocompatibility and suitable clinical applicability.

The utility model relates to the technical field of hairdressing scissors, concretely is a hairdressing head, including the cutter body, the cutter body surface layer is coated with a layer of the antibacterial coating that can restrain the growth and propagation of various bacteria and fungi, is equipped with a plurality of cutter end on the cutter body and is equipped with cutter head notch, and the cutter end is equipped with the oil groove that plays the lubricating effect in, be equipped with the protective sleeve that plays the protection on the cutter body, and be equipped with the mouthpiece cover that plays the protection on the cutter head notch. The hairdressing head of the device sets up the nanometer silver ion antibacterial coating and can effectively restrain the growth and propagation of various bacteria and fungi, guarantees the health safety in the hairdressing process, reduces the risk of infection of user, improves the use safety and reliability of product, the oil groove in cutter end provides good lubricating effect, reduces the friction between cutter head and hair, makes cutting more smooth, reduces the situation of pulling hair, improves the comfort and efficiency of hairdressing.

This invention provides a novel easy-to-place, anti-clogging, and highly tolerant nasogastric tube, belonging to the field of nasogastric tubes. It includes a nasogastric tube body, one end of which is connected to a protective cap. A spiral groove is formed on the inner wall of the other end of the nasogastric tube body. An antibacterial coating is provided on the outer wall of the end of the nasogastric tube body near the protective cap. The end of the nasogastric tube body away from the protective cap is conical. Through the protective cap, spiral groove, antibacterial coating, and conical end of the nasogastric tube body, this invention allows the spiral groove to force the fluid to rotate during flow. The centrifugal force generated by the rotation throws particles in the fluid towards the center of the tube lumen, reducing the probability of contact with the tube wall and thus lowering the risk of blockage. The antibacterial coating inhibits biofilm formation and reduces damage to the nasal mucosa. The conical end of the nasogastric tube body makes it easier to insert into the patient's nasal cavity and esophagus.

The invention relates to an ink composition for printing conductive tracks with high electrical conductivity for electronic applications, and which can be recycled to recover the conductive particles via an environmentally friendly extraction process for re-use, without further processing, in a further conductive ink composition. Also provided are substrates comprising a printed current track formed from such compositions; substrates comprising a surface mount electronic component adhered to said substrate via contact with an adhesive composition formed from such ink compositions; and substrates comprising a conductive coating formed from such ink compositions for use in, e.g., induction sealing and / or to provide an antimicrobial coating. Methods of forming such printed tracks, coated substrates and / or adhering surface mount components to a substrate are also provided.

This application provides a method for forming an antimicrobial coating on the surface of an implantable device and the implantable device itself. The method for forming an antimicrobial coating on the surface of an implantable device includes the following steps: placing the implantable device in an isolation box; setting an antimicrobial carrier assembly on the outer surface of the isolation box and / or the inner surface of a sterile barrier packaging; placing the isolation box in the sterile barrier packaging and sealing it to obtain a packaging system; sterilizing the packaging system with ethylene oxide; and vacuum dehydrating the ethylene oxide-sterilized packaging system. This method utilizes the antimicrobial carrier assembly in the packaging structure to diffuse an antimicrobial agent onto the surface of the implantable device during the sterilization and dehydration cycle, enabling the originally uncoated implantable device to acquire stable and controllable surface antimicrobial properties, thereby improving the antimicrobial capability of the implantable device.

The utility model provides a hardware bathroom hanging piece with antibacterial coating belongs to bathroom hanging piece technical field, its structure includes support, and the rear side of support is provided with a plurality of sucking disc for adsorbing on the wall surface, and the opening of support is provided with first hanger group with front side horizontal hinge, two vertical alignment setting of vertical hanger group are provided with two vertical hanger groups in the top surface middle part of support, and the upper end of two vertical hanger groups is hingedly connected with second hanger group, so that the towel can be hung on two height difference misregistration hanger groups respectively, and the towel hem sides after hanging will be supported and unfolded by each first antibacterial cylinder, each second antibacterial cylinder and top antibacterial cylinder, and each antibacterial cylinder also has antibacterial coating, so that the natural drying speed of the towel after hanging is faster, bacteria are not easy to breed, and bacteria are not conducted by the original product hanging piece, the utility model has antibacterial function and unfolding function for two towel hems, so that bacteria are not easy to breed and conduct, and the utility model has strong practicality.

This utility model discloses a cardboard box liner with moisture-proof and mildew-proof functions. It relates to the technical field of cardboard box liner structures and aims to solve the problem that existing cardboard box liners do not have good moisture-proof and mildew-proof performance, which affects the usability of the cardboard box. The key technical points include an outer cardboard box packaging with side sealing plates on both sides and an upper baffle at the top. One end of each side sealing plate has an installation end, and the upper end of the upper baffle has a lifting handle. An inner cardboard box liner is provided inside the outer cardboard box packaging. The inner cardboard box liner includes a corrugated paper base layer, a moisture-proof functional layer, and an antibacterial coating. One end of the corrugated paper base layer has a moisture-proof functional layer, and the other end of the moisture-proof functional layer has a moisture-proof functional layer. The moisture-proof functional layer is laminated to the surface of the corrugated paper base layer, and the antibacterial coating is sprayed onto the surface of the moisture-proof functional layer using a spraying process.

The utility model relates to the technical field of scalpel preparation, in particular to a scalpel with an antibacterial coating, which comprises an antibacterial scalpel body, an anti-release mechanism is arranged on the left surface of the antibacterial scalpel body, the anti-release mechanism comprises a connecting steel rod, a cross-shaped groove is arranged on the left surface of the connecting steel rod, and the cross-shaped groove is arranged on the right surface of the connecting steel rod. A movable steel rod is slidably connected to the inner surface of the cross-shaped groove, round holes are formed in the front surface of the movable steel rod in a linear array shape, a disposable knife handle body is slidably connected to the inner surfaces of the round holes, and an elastic movable buckle penetrates through the upper surface of the movable steel rod and is slidably connected with the upper surface of the movable steel rod; through the arrangement of the elastic movable buckle, the elastic block, the F-shaped clamping rod and the disposable scalpel handle body, the disposable scalpel handle body can be conveniently installed, meanwhile, the disposable scalpel handle body can be conveniently disassembled, after an operation is finished, the function of disassembling the disposable scalpel handle body is achieved, and the scalpel handle of the scalpel is more convenient to replace.