385results about How to "Good antibacterial effect" patented technology

The invention relates to a trichoderma harzianum composite bacteria culture and application of the same in the aspect of plant protection, and belongs to the technical field of biology. The strain of the trichoderma harzianum composite bacteria culture is preserved in the China General Microbiological Culture Collection Center (CGMCC), and classified and named as Trichoderma harzianum MDCGTH 18, with a preservation number of CGMCC NO.2965. The Trichoderma harzianum MDCGTH 18 composite bacteria culture utilizes antagonistic microbes for biological prevention and treatment, simultaneously has the functions of inducing the disease resistance of plants and increasing the yield, has obvious effect of controlling aspen root rot, apple root rot, citrus yellow shoot, watermelon fusarium wilt, tobacco bacterial wilt, wheat scab, full rot, root rot, banded sclerotial blight, cucumber powdery mildew, downy mildew, vegetable gray mold, fusarium wilt and various other epidemic diseases, can be independently taken as a biological control microbial inoculum for plant diseases, and can also be mixed with other biological antiseptics, plant antibiotics, plant growth regulators and the prior antiseptics to prepare various biological antiseptics for controlling different plant diseases.

The invention belongs to the technical field of preparation of super-hydrophobic coatings, and particularly relates to a super-hydrophobic coating with self-cleaning and antibacterial functions and apreparation method thereof. The preparation method comprises the steps of: preparing PVDF solid suspension A by adopting an organic solution of polyvinylidene fluoride and small-molecular-weight alcohol, then adding ZIF nanoparticles into the suspension A, then adding fluoride with low surface energy to obtain a super-hydrophobic coating solution, and painting a substrate with the super-hydrophobic coating solution so as to obtain the super-hydrophobic coating with the self-cleaning and antibacterial functions. The super-hydrophobic coating with the self-cleaning and antibacterial functions isprovided, has the advantages of a simple preparation process, mild reaction conditions and good thermal stability and chemical stability, and is applicable to a plurality of different substrates andlarge-scale production, and not only can a function of surface contaminants self cleaning be achieved through the super-hydrophobic coating, but also bacteria on the surface of the coating can be killed at the same time, so that the formation of biofilm is prevented, and the super-hydrophobic coating has great potential application values in the self-cleaning and antibacterial fields.

The invention discloses a rare-earth load type nano-TiO2 antimicrobial and making method, a new antimicrobial which uses the rare-earth ions as the antibacterial active component and the rare-earth activate nano-anatase type TiO2 and optically catalyzes antibacterial activity, composed of rare-earth element and semiconductor carrier. The nano-anatase type TiO2 80-99 shares, Re(NO3)3 10.7-0.3 share, and HNO3, the concentration 85%, 9.3-0.7 share. It makes mixing, constant-temperature blending, filtering, drying, baking and grinding to get the product, average particle diameter being not more than 1 micron m, the content of nano-anatase type TiO2 being 75-98%, and that of Re2O3 being 0.2-2%.

The invention discloses a preparation method of a quaternized halamine antibacterial cotton fiber. The preparation method disclosed by the invention comprises the following steps of: taking common cotton cloth as a carrier, grafting hydrolyzed alkylsilane on cotton cloth, then carrying out quaternization between a tertiary amine functional group and an alkylhalide group on the cotton cloth to graft a halamine precursor containing the tertiary amine functional group to the cotton cloth to form the cotton cloth carrying a quaternized halamine precursor; and finally, carrying out halogenation reaction to obtain quaternized halamine antibacterial cotton cloth. The process disclosed by the invention avoids synthesizing quaternized halamine precursor silane before grafting, and the synthesis consumes time and energy and needs to use an organic solvent.

The invention discloses a nano silver-super absorbent polymer composite serving as the main function material of physical hygiene articles, and the grain diameter is less than or equal to 100 meshes. Nano silver grain of which the grain diameter is less than or equal to 100 nm is compounded in three-dimensional network structure of which the edge length is less than or equal to 10 nanometers; the network does not affect exchange of internal medium and external medium, nano silver grains of which the content is not less than 50 ppm and better value is 170 ppm are evenly distributed in resin and have excellent sterilizing effect. The radiation method production technology of the composite is characterized in that cross-linking agent is added when preparing super absorbent polymer feed solution and the mixture is evenly stirred; then, silver nitrate and surfactant are added, wherein the density of silver nitrate is between 10-4 and10-1M and the density of surfactant is between 10 and 3-2 M; and at normal temperature, the mixture is irradiated by r-ray of Co-60 of which the dose rate is 10-200 Gy/min, and total irradiation dose is 1-15 KGy so as to obtain the nano silver-super absorbent polymer composite. The preparation method is the only one-step synthesis technology currently and is applied to industrial volume production.

The natural antibacterial towel includes base layer and curl layers, and the curl layers covering the two sides of the base layer are made of bamboo fiber yarn. Bamboo fiber has natural antibacterial performance, so that the towel of the present invention has the features of being soft and comfortable and has high antibacterial effect on tinea alba fungus, Staphylococcus aureus and MRSA bacteria.

The invention discloses a double-layer knitted fabric with functions of moisture absorption, quick drying and antibiosis, which comprises an outer layer and an inner layer, wherein the outer layer is made of hydrophilic yarns; and the inner layer is made of moisture conducting and sweat exhausting yarns containing an antibiosis substance; and the outer-layer yarns are connected with the inner-layer yarns by knitting structures. In the invention, power for water transfer is provided by virtue of an inner-layer and outer-layer difference between the outer layer made of the hydrophilic yarns and the inner layer made of the moisture conducting and sweat exhausting yarns; and the moisture and sweat of skin can quickly permeate to the outer layer by the inner layer, and the inner layer keeps dry, therefore, the favorable moisture absorbing and quick drying functions can be achieved. Meanwhile, the antibiosis substance in the inner yarn can be in favorable contact with the skin, a good antibiosis effect is ensured, and various skin diseases can be effectively prevented and treated.

The invention discloses a method for preparing medical antibacterial cotton gauze. The method comprises the following steps of: carrying out extrusion pretreatment on cotton gauze; carrying out carboxymethylation modification treatment on the cotton gauze after pretreatment; carrying out water washing comprising the step of washing with water for a plurality of times; carrying out antibacterial treatment comprising the steps of putting the cotton gauze after water washing into water with the bath ratio of 1:25, adding a compound antibacterial agent with the amount 5-8% of the cotton gauze weight and then increasing the temperature to about 40-48 DEG C, wherein the treating time is 2.5-3 h, and the compound antibacterial agent comprises nano titanium dioxide, modified chitosan, armoise oil and a tea leaf extract; carrying out water squeezing comprising the steps of squeezing water of the cotton gauze after antibacterial treatment to make the water content of the cotton gauze be 10-20% of the weight; and drying comprising the steps of putting the cotton gauze after water squeezing into a vacuum drying box and drying. The water absorbing property of the cotton gauze is improved, and moreover, the cotton gauze has a good antibacterial effect.

The invention discloses a cleaning agent for a washing machine slot. The cleaning agent comprises the following components in percentage by weight: 55-68% of sodium carbonate, 20-30% of sodium percarbonate, 1-6% of a bleaching activator, 0.1-0.6% of a binary compound enzyme, 0.3-2% of a surfactant, 2-8% of calcium carbonate and 2-8% of sodium silicate. The cleaning agent for the washing machine slot, disclosed by the invention, can effectively remove dirt from the washing machine slot, is non-corrosive to a washing machine, can effectively kill and inhibit harmful bacteria and avoid secondary pollution to clothes, and meanwhile is inirritative and safe to human bodies.

The invention provides a halloysite Ag-carrying antibacterial agent and a preparation method thereof. The preparation method comprises the following steps: (1) activating halloysite: adding the halloysite with the purity of not less than 80wt% to 1-5wt% of nitric acid solution, and stirring for activating at normal temperature, wherein, the solid-to-liquid ratio of a reaction system is 5-10% (mass percent); (2) drying: centrifugally dewatering and drying the activated halloysite to obtain the activated and dried halloysite; (3) loading: preparing 0.5-3wt% of silver nitrate solution, adjusting the pH value of the silver nitrate solution with dilute nitric acid to 5-6, adding the activated and dried halloysite, and stirring at the temperature of 40-60 DEG C for 0.5-2h, wherein, the solid-to-liquid ratio of a reaction system is 5-20% (mass percent); and (4) after reaction is ended, carrying out centrifugal filtration on the product, washing and drying the obtained filter cake to obtain the halloysite Ag-carrying antibacterial agent. The preparation method is simple and has low production cost and good loading effect; and the halloysite Ag-carrying antibacterial agent obtained by the preparation method has the advantages of good antibacterial effect, broad-spectrum antibacterial function, firm loading and good slow-releasing property of antibacterial silver ions, and good heat resistance.

The invention discloses an antibacterial coating with a zinc zeolite-based cerium doped nanometer titanium dioxide antimicrobial and a preparation method thereof. The coating of the invention boasts obvious antibacterial effect, and environmental protection as well as energy conservation. Formulations of the coating include proportioned styrene acrylic emulsion, anatase titanium dioxide, talcum powder, light calcium heavy calcium, kaolin, an antimicrobial and one or more accessories. The preparation method comprises the steps of: adding the one or more accessories like a dispersing agent, a wetting agent, an antifoaming agent, cellulose into water and stirring, then adding anatase titanium dioxide, talcum powder, light calcium, heavy calcium and 0.5%-1.5% of antimicrobial in order, slurrying the mixture, and decreasing the number of revolution to 800r/min and cooling the slurry when the fineness of the slurry reaches 50 micrometers, then adding hydrate cellulose, an antifoaming agent, a film-forming additive and emulsion as the slurry cools to a certain temperature, and finally adjusting the pH and the coating viscosity. The antibacterial coating of the invention is characterized by good washability and weatherability, simple technology, low cost, and stable product performance.

The invention relates to a halogen-free flame-retardant antibacterial anti-aging polypropylene composite material and a preparation method thereof. The preparation method comprises the following steps: weighing a polypropylene raw material, a halogen-free flame retardant and modified nano zinc oxide, and mixing to be uniform; adding a mixture into a double screw extruder, and granulating at a certain temperature and rotary speed of a screw rod to obtain halogen-free flame-retardant antibacterial anti-aging polypropylene master batch. Halogen-free flame-retardant antibacterial anti-aging polypropylene prepared by adopting the method is excellent in flame retardant property, good in antibacterial and anti-aging performance and mechanical property, low in cost, convenient to prepare and suitable for industrialized production.

The invention discloses a production technology of an anti-bacterial underwear fabric. The method comprises the following steps: 1) taking 15-20 parts of soybean fiber, 60-65 parts of cotton fiber and 30-35 parts of bamboo fiber in parts by mass to blend, so as to prepare a underwear fabric; 2) taking 1-2 parts of lauric acid polyoxyethylene ester, 12-14 parts of dodecylguanidine, 2-3 parts of glycerol monostearate, 13-15 parts of 2,4,4'-trichlorine-2'-dihydroxy diphenyl ether and 3-4 parts of hydroxy propyl methylcellulose in parts by mass to mix, stirring for 10-15 minutes, simultaneously adding 30-40 parts of titanium dioxide, 6-8 parts of hydroxypropyl methyl cellulose and 5-7 parts of silane coupling agent in parts by mass, and continuing to mix for 30-35 minutes, so as to prepare a complex antimicrobial agent; 3) padding the underwear fabric in a steeping liquor containing 75-80% of complex antimicrobial agent at the bath ratio of 3:14 and the pressure of 1-2MPa; 4) drying at 90-95 DEG C; and 5) keeping constant temperature at 130-135 DEG C for 2-3 hours. The underwear fabric prepared by the method is good in antibacterial effect, and strong in durability, and has excellent antibacterial properties after being washed for a plurality of times.

The invention discloses an antibacterial paint, antibacterial paper, a preparation method of the antibacterial paint, and a preparation method of the antibacterial paper. The antibacterial paper comprises a paper layer and an antibacterial paint layer arranged on the surface of the paper layer, wherein the antibacterial paint layer is a mixture layer of antibacterial ingredients and paints, and the antibacterial ingredients contain one or more of chitosan, tea tree essential oil, nanometer zinc oxide, silver nanometer antibacterial powder and nanometer titanium dioxide. Through the manner, the antibacterial paper which is environmental-friendly and has a lasting favorable antibacterial effect can be obtained.

The invention discloses glass fiber air filter paper with an antibacterial property. The glass fiber air filter paper comprises alkali-free glass fibers of which the diameter is 0.1-0.5 micron, alkali-free glass fibers of which the diameter is 1.0-2.0 microns, alkali-free glass fibers of which the diameter is 5-7 microns, glass fiber filter paper manufactured from PET (polyethylene terephthalate) polyester fibers, and a pyrithione derivative antibacterial layer which is attached to the surface of the filter paper. The invention also discloses a method for preparing the glass fiber air filter paper, comprising the following steps of: (1) selecting raw materials according to a mixing ratio; (2) pulping and dispersing the raw materials to obtain a slurry; (3) diluting the slurry and adjusting the PH value; (4) removing residues from the slurry obtained in the step (3), and preparing wet paper by using a wet method forming; (5) dehydrating the wet paper obtained in the step (4); (6) passing the wet paper obtained in the step (5) through a gum solution of a pyrithione derivative; and (7) drying the wet paper obtained in the step (6). The glass fiber air filter paper is excellent in antibacterial and air filtration performances, and is wide in application field.

The invention relates to a method for preparing a China hemp fiber, as well as an application of the China hemp fiber on paper diapers. The method for preparing the China hemp fiber comprises the following steps: removing the peel, soaking, degumming, drying and screening. The preparation process is simple, and the cost is saved. The paper diapers are prepared by using the China hemp fiber and have the originally ecological special antibacterial, mould-proof, ventilating, comfortable, radiating and anti-radiation effect; and therefore, compared with the organic and inorganic antibiosis in the prior art, the China hemp fiber is good in antibacterial effect, washing-resistant and easily degradable and can be sustainably utilized; and moreover, the China hemp fiber is good in antibacterial effect, prevents diaper rash and bedsore, is washing-resistant, easily degradable and environment-friendly and can be sustainably utilized, and the resources are saved.

The invention discloses a formula and preparation method of a clothes cleaning agent with an antibacterial effect. The clothes cleaning agent is composed of the following components in percentage by mass: 0.3-3.0% of a disinfectant, 5.0-15.0% of a nonionic surfactant, 20.0%-40.0% of an anionic surfactant, 0.5%-5.0% of a zwitterionic surfactant, 0.2%-2.0% of a cosolvent, 0.2%-2.0% of an anti-redeposition agent, 0.2%-2.0% of a chelating agent, 1.0%-10.0% of a pH regulator, 0.2%-2.0% of pigment, 0.2%-2.0% of essence, and solvent water. The problem that the anions and cations cannot coexist is solved, and a cationic cetylpyridinium chloride disinfectant can coexist in an anionic system. According to the invention, the environment-friendly disinfecting component cetylpyridinium chloride is adopted, so that a problem of disinfectant residue in the market at present is solved. The clothes cleaning agent has a good antibacterial effect, and different from a conventional antibacterial and bacteriostatic laundry detergent, the clothes cleaning agent still has a bacteriostatic effect after being diluted by one hundred times.

The invention relates to a traditional Chinese medicine composition for preventing and treating bacterial gill-rot disease of freshwater fish and a preparation method thereof. The traditional Chinese medicine composition comprises the following components in parts by weight: 20 to 34 parts of coptis chinensis, 15 to 30 parts of radix stemonae, 10 to 32 parts of cordate houttuynia, 15 to 40 parts of folium isatidis, and 10 to 30 parts of gallnut. The traditional Chinese medicine composition has scientific and reasonable formulation, good antiseptic and anti-bacteria effect, no toxic and side effects, no residue medicine and drug resistance, and is convenient to use, and relatively low in cost.

The invention relates to a method for synthesizing nano-silver colloid with a green coffee bean extract as a reducing agent. The method comprises the following steps that an oxidizing agent for a reaction is prepared; silver salt is dissolved in deionized water and stirred till the silver salt is completely dissolved, and the prepared oxidizing agent is used in a standby manner; the reducing agent for the reaction is prepared; a plant extract is dissolved in deionized water and stirred till the plant extract is completely dissolved, and the prepared reducing agent is used in a standby manner; the nano silver colloid with the small particle size is synthesized; and the prepared reducing agent is dripped in the oxidizing agent, dripping and stirring are carried out at the same time, stirring is continuously carried out for ten minutes after dripping is finished, and the complete reaction can be ensured. The method for synthesizing the nano-silver colloid with the green coffee bean extract as the reducing agent is low in cost, easy to operate and environment-friendly. Compared with nano-silver prepared through a traditional method, the prepared nano-silver is smaller in size and better in antibacterial effect.

The invention discloses a preservative composition derived from plants. A cosmetic preservative composition mainly comprises following plant source substances in percentage by weight: 0.05-10% of citral, 0.05-10% of vanillin, 0.05-10% of anisic acid and 0.05-10% of magnolol. The preservative composition is relatively wide in antibacterial spectrum and can be used as a preservative to be used for cosmetics to take the effects of inhibiting the growth of bacteria and fungi; and antibacterial components of the composition are selected from plant active substances both used as medicines and foods, have no harms to a human body, have no irritation, no allergy and no toxic or side effect, and can be safely applied to the cosmetics. The cosmetic preservative can be used for effectively inhibiting microorganisms in the cosmetics from breeding and can replace or reduce the use amount of a chemically synthetic preservative when used for the cosmetics, so that the irritation caused by the chemically synthetic preservative in a product is reduced and the product safety is improved; and meanwhile, the stability of the cosmetics is not influenced.

The invention discloses a preparation method for blended yarns of hemp cotton and antibacterial fibers. The preparation method comprises the following steps: (1) blending prepared hemp cotton blended fibers with the antibacterial fibers in proportion, obtaining roving through stranding and twisting, spinning raw roving after mixing and matching, and then scouring and bleaching the roving; (2) carrying out half-degumming on the roving; (3) carrying out bleaching and dechlorination; (4) before dyeing, performing biological enzyme pretreatment; (5) performing softening and drying; (6) after dyeing and after-treatment processes, spinning spun yarns; (7) carrying out radio frequency drying, picking, spooling and packing for the spun yarns and humidifying the health knitting yarns, thus obtaining the blended yarns of the hemp cotton and antibacterial fibers. The blended yarns of the hemp cotton and antibacterial fibers disclosed by the invention have the characteristics of being obvious and lasting in antibacterial effect, capable of killing or inhibiting breeding of pathogenic bacteria to protect body health, excellent in antibacterial and anti-mould effects, good in stability and elasticity, soft in hand feelings, less in residues and harmless to human bodies.

The invention provides a hemp antibacterial sanitary towel and a preparation method thereof. The preparation method of the hemp antibacterial sanitary towel provided by the invention comprises the following steps of: extracting hemp fiber from hemp stems, and mixing the hemp fiber and ES (Ethylene-Propylene Side By Side) fiber according to a mass ratio of (20-0%): (80-60%) to prepare an antibacterial surface material for the sanitary towel; and coating the antibacterial surface material for the sanitary towel on a core material of the sanitary towel to prepare the hemp antibacterial sanitary towel. According to the hemp antibacterial sanitary towel and the preparation method thereof provided by the invention, the hemp antibacterial sanitary towel is good in antibacterial effect, washable, easy to degrade and capable of being continuously utilized.

The invention discloses a nano antibacterial masterbatch and a preparation method thereof. The nano antibacterial masterbatch is prepared from the following raw materials in parts by weight: 80-90 parts of carrier resin polyethylene terephthalate(PET), 5-10 parts of a nano inorganic antibacterial agent, 5-10 parts of a dispersant, and 1-2 parts of an antioxidant. A nano oxide and the dispersant are dissolved in an organic solvent to prepare a mixed dispersion agent with the mass concentration of 10%-30%, the mixed dispersion agent is put into a grinder, and then nano slurry is prepared by grinding; and the obtained nano slurry, the antioxidant and the PET resin are added into a high-speed mixer and stirred for 15-20 minutes, and then a material is discharged and added into a twin-screw extruder for extrusion and granulation. The nano antibacterial masterbatch can be used for being added to various products such as textiles, and packaging bags, and the obtained product has the characteristics of good antibacterial effects, long validity period, and less influence on light transmittance.

A phage for staphylococcus aureus, of which the preservation number is CCTCC M2011409, has an effective splitting effect on the staphylococcus aureus; the storage condition of the phage is that after being filtered and degermed, phage culture solution can be stored for more than two months under 4 DEG C, and can be stored for more than two years in a glycerin tube under 70 DEG C below zero; the concentration of the stored phage culture solution is 1011pfu/mL; and in the application of the phage for the staphylococcus aureus, the phage culture solution is directly sprayed on the surface of solid food or mixed in bacteria-containing food to inhibit the staphylococcus aureus in the food. The dosage of the phage in bacteria-containing material is 0.0001pfu/cfu to 100pfu/cfu. The phage can effectively control the contamination of the staphylococcus aureus in the food system, and relative to antibiotics and chemical preservatives, the phage has the characteristics of high specificity, no residues and safety.

The invention relates to the field of biomedical materials, and concretely relates to an acrylic resin bone cement capable of continuously and efficiently releasing antibiotics. A preparation method of the acrylic resin bone cement comprises the following steps: preparing a PEG-modified SBA-15 carrier by using SBA-15 as a carrier and PEG as a modifier, loading gentamicin to the PEG modified SBA-15carrier in order to obtain a drug-loaded filler material, doping an acrylic resin bone cement powder with 5-15 wt% of the drug-loaded filler material, mixing the bone cement powder and the drug-loaded filler material, performing stirring to obtain a solid phase bone cement powder, adding a bone cement liquid phase to the obtained bone cement solid phase mixture, performing stirring to obtain a uniform slurry, and solidifying the uniform slurry to obtain the antibacterial acrylic resin bone cement. Compared with traditional antibiotic bone cements in the prior art, the acrylic resin bone cement capable of continuously and efficiently releasing antibiotics has the advantages of high release amount, lastingness, and significant antibacterial effect on Staphylococcus aureus and Escherichia coli.

The invention discloses a preparing method of an antibacterial acrylic fiber color silk. Spinning, coloring and antibiosis finishing are finished in one step. The method comprises the steps of firstly, blending an antibacterial agent in a wet spinning dope, molding in coagulating bath by extruding to obtain primary acrylic fiber, and then performing anion dye gel coloring to prepare the antibacterial agent-loaded acrylic fiber color silk. The antibacterial function finishing and fiber coloring are realized in one step to prepare the acrylic fiber color silk with the antibacterial function, the antibacterial agent is introduced into polyacrylonitrile fiber by adopting a dope spinning method, the antibacterial effect is good and durable, and a post finishing process is reduced; the acrylic fiber color silk obtained by a gel dyeing method is good in color brightness, high in color fastness and capable of reducing dyeing sewage.

The invention discloses paenibacillus polymyxa, as well as a culture method and an application thereof. The preservation number of the paenibacillus polymyxa is CGMCC No.10062, and the name of a culture is BD3736. The paenibacillus polymyxa disclosed by the invention can generate an antibacterial substance with a broad-spectrum and a high antibacterial effect, and has an obvious inhibitory effect on multiple gram positive bacteria and gram negative bacteria.

The invention discloses a novel strain Y-3 of bacillus amyloliquefaciens and a preparation method and use method of a bacillus amyloliquefaciens Y-3 biological fresh-keeping agent. The preparation method comprises S1, separating bacillus amyloliquefaciens Y-3, S2, activating antagonistic bacteria, S3, inoculating NB fermentation broth with the antagonistic bacteria and carrying out fermentation until the stress-resistant spore rate of 90% or more, S4, crushing bentonite until fineness of less than or equal to 44 microns and carrying out high temperature and high pressure sterilization, and S5,mixing the NB fermentation broth cultured by the bacillus amyloliquefaciens Y-3, bentonite, PEG8000, a detergent and sodium carboxymethylcellulose, carrying out freeze drying, and carrying out crushing until fineness of less than or equal to 44 microns so that biological fresh-keeping wettable powder is obtained. In use, the bacillus amyloliquefaciens Y-3 biological fresh-keeping agent is dilutedwith water and then is applied to picked tomatoes by spraying or soaking. The bacillus amyloliquefaciens Y-3 biological fresh-keeping agent is easy to use and can be conveniently transported transregionally and stored.

The invention relates to an anatase titanium dioxide nano-material with exposed controllable high-activity crystal faces and a preparation method and application thereof and belongs to the technical field of nano-materials. The ratio of the crystal face {001} to the crystal face {101} of the anatase titanium dioxide nano-material for exposing the controllable high-activity crystal faces is 1% or 10% or 35% or 50%, and the sizes both range from 50 nm to 70 nm. The preparation method of the anatase titanium dioxide nano-material with the exposed controllable high-activity crystal faces includes the steps that titanium tetrachloride serves as a titanium source, water serves as a reaction solvent, ammonium fluoride serves as a morphology control agent, and nanometer titania is prepared through a solvothermal method. The anatase titanium dioxide nano-material with the controllable {001} crystal face and the controllable {101} crytal face is prepared by adjusting the molar ratio, the reaction temperature and the reaction time of reaction raw materials. The titanium dioxide nano-material with the crystal face ratio and sizes can be used for inhibiting growth of bacteria, and has efficient visible light catalytic antibacterial performance.

The invention provides an antibacterial material for sanitary napkins and a production method for the sanitary napkins containing the antibacterial material. The antibacterial material for the sanitary napkins contains silver ions, fluorspar powder and plastic particles, wherein the mass ratio of the silver ions, the fluorspar powder and the plastic particles is 35-65:2: 65-35. The production method for the sanitary napkins containing the antibacterial material includes the steps of weighing the plastic particles with the mass ratio of 35-65 to be melted, adding the silver ions with the mass ratio of 35-65 and the fluorspar powder with the mass ratio of 2 to the melted plastic particles, evenly mixing and obtaining the sanitary napkins through production. The mass ratio of antibacterial masterbatch and the plastic particles is 3-5: 97-95. The antibacterial material for the sanitary napkins and the production method for the sanitary napkins containing the antibacterial material are good in antibacterial effect and washable and durable, and antibacterial effect cannot be reduced after blood flows by repeatedly.