79results about How to "Guaranteed antibacterial properties" patented technology

The invention relates to a preparation method of self-fragrance natural antibacterial and deodorizing fiber. The preparation method comprises the following steps of (1) preparing a fragrance slow release body; (2) preparing a natural antibacterial composition; (3) preparing fragrance natural antibacterial and deodorizing master batches; (4) preparing self-fragrance natural deodorizing fiber, wherein the prepared self-fragrance natural antibacterial and deodorizing fiber is of a skin-core structure including a core layer and a skin layer; the core layer is a high-melting-point polymer; the skin layer is a low-melting-point polymer; a high-molting point polymer body of the core layer comprises the fragrance slow-release bodies and the natural antibacterial compositions. The fiber provided by the invention has no irritation on the human body skin, has the permanent antibacterial performance, can inhibit the bacterium invasion and breeding, and has high absorption rate on ammonia and very excellent antibacterial mouldproof and deodorization effects; the characteristics of uniform fragrance release and long fragrance maintaining time are realized; the product added value is high; the application market prospects are wide.

The present invention relates to a poultry feed acidifier and a preparation method thereof. The poultry feed acidifier adopts the following raw materials by weight: 20-30 parts of phosphoric acid, 5-20 parts of fumaric acid, 5-20 parts of citric acid, 10-20 parts of formate, 10-20 parts of propionate, 5-10 parts of benzoic acid and / or sodium diacetate, 6-10 parts of fatty oil, and 10-20 parts of white carbon black. The preparation method comprises: using palm oil to carry out a fluidized bed coating treatment on formate and propionate, carrying out adsorption mixing on phosphoric acid and white carbon black, adding the coated semi-finished product and a solid acid to mix, and screening with a 60 mesh grading sieve so as to obtain the product. Compared with the poultry feed acidifier in the prior art, the poultry feed acidifier of the present invention has characteristics of dual effects of protein digestion promoting and gastrointestinal flora regulating, poultry production performance improving, bacterial disease reducing, and survival rate improving.

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.

Production of anti-insect and disease-proof mold and its use are disclosed. The process includes taking hamycin, Agrobacterium tumefaciens AGL-1 and gene plasmid pPBH with thuricin bacillosporin stored in normal way, preparing conidiospore suspension, converting the obtained tumefaciens and pPBH plasmid, activation culturing, culturing the activated fungus liquid of conidiospore suspension, tumefaciens and pPBH plasmid mutually, converting, screening and purifying. It can be used to prepare anti-insect and disease-proof mold and insect prevention of plant.

The invention relates to the field of air purification, and particularly relates to a formaldehyde removal purifying agent. The formaldehyde removal purifying agent comprises the following raw materials in parts by weight: 5-10 parts of tea extract, 4-8 parts of nanometer antibacterial agent, 5-10 parts of modified polyacrylamide, 0.2-0.5 part of leveling agent, 0.2-0.5 part of rare earth activating agent, 0.5-2 parts of vegetable aromatherapy essential oil, 1-3 parts of tea polyphenois, 1-2.5 parts of defoaming agent, and 200 parts of deionized water. The formaldehyde removal purifying agent can effectively remove bacteria and odor, formaldehyde, benzene and other harmful substances in air can be effectively decomposed by adding the tea extract and the nanometer antibacterial agent as photocatalyst, and the nanometer antibacterial agent also has strong antibacterial action to guarantee the long-time antibacterial effect.

The invention discloses a processing method of a high antibacterial towel yarn. The method comprises the steps of processing bamboo carbon fiber and long stapled cotton, pre-processing apocynum venetum fiber, mixing, drawing, roving and spinning yarns. The specific steps comprise the steps of (a) processing the bamboo carbon fiber and long stapled cotton, wherein the bamboo carbon fiber and the long stapled cotton are fully mixed, and card slivers A are obtained through opening, picking and carding the cottons; (b) pre-processing apocynum venetum fiber, wherein the pre-processing procedure is performed for the apocynum venetum fiber; (c) mixing, wherein the pre-processed apocynum venetum fiber and the long stapled cotton are mixed, and card slivers B are obtained through opening, picking and carding the cottons; (d) drawing, wherein the card slivers A and B are drawn out to obtain drawn slivers; (e) roving, wherein the roving procedure is performed for the obtained drawn slivers; (f) spinning yarns, wherein the spinning yarn procedure is performed for the obtained roves. The yarns processed by the method disclosed by the invention have good adsorbability, antibacterial property, comfort property, gas permeability and the like; the three kinds of fibers are mixed fully; after the processed fabrics are washed repeatedly, the yarns have durability and can be widely used for producing and processing antibacterial towels.

An antibacterial film is prepared from polyacrylic resin, assistant and antibacterial mother particles through bidirectional drawing. Its advantages are high and durable bacteria killing and suppressing effect and antimildew effect, high strength, uniformity, transparency, and thermal stability, and high safety.

The invention relates to the field of air purification, and in particular relates to an air purifying agent. The air purifying agent is prepared from the following raw materials in parts by weight: 5-10 parts of deacetylated chitin, 4-8 parts of a nanometer antibacterial agent, 5-10 parts of propanediol, 0.2-0.5 part of a flatting agent, 0.2-0.5 part of a rare earth activating agent, 0.5-2 parts of plant aromatherapy essential oil, 8-10 parts of dimethylacetamide containing 8% of lithium chloride, 1-3 parts of tea polyphenol, and 100 parts of deionized water. The air purifying agent can effectively remove bacteria and odor, the added deacetylated chitin and nanometer antibacterial agent can be taken as photocatalysts for effectively decomposing the hazardous substances, such as formaldehyde and benzene in the air, and in addition, the nanometer antibacterial agent has strong bacteria inhibiting and resisting effects, so that the bacteria inhibiting effect within a long term can be guaranteed.

The invention relates to the field of air purification, in particular to an anion formaldehyde purifying agent. The anion formaldehyde purifying agent comprises, by weight, 5-10 parts of anometer negative ion powder, 4-8 parts of a nanometer antibacterial agent, 5-10 parts of modified polyacrylamide, 0.2-0.5 part of a flatting agent, 0.2-0.5 part of rare earth activator, 0.5-2 parts of plant aromatherapy oil, 1-3 parts of tea polyphenol, 1-2.5 parts of defoamer and 200 parts of deionized water. By the arrangement, sterilization and deodorization can be effectively performed, the anometer negative ion powder and the nanometer antibacterial agent which are added can serve as photocatalyst capable of effectively decomposing harmful substances of formaldehyde, benzene and the like in the air, and the nanometer antibacterial agent has the strong antibacterial function; the antibacterial effect within a long period is guaranteed, and in addition, the anometer negative ion powder has the healthcare function.

The invention relates to a natural antibacterial and deodorizing finishing agent for non-woven fabrics. The formula of the natural antibacterial and deodorizing finishing agent comprises the following components in percentage by weight: 5%-20% of polyoxyethylene sorbitan tristearate, 1%-10% of ester-base quaternary ammonium salt, 5%-20% of a natural antibacterial composition, 5%-9% of polyethylene glycol glyceryl ether, 3%-8% of a fragrant slow-released system and the balance of deionized water, wherein the natural antibacterial composition comprises chitosan, aloe oil, chitin, catechinic acid, tea polyphenol, tea-seed oil, tea saponin, a grape seed extract, citric acid, amino acid chelate, an amino acid derivative and an emulsifying agent. The natural antibacterial and deodorizing finishing agent has no stimulation to the skin of the human body, is capable of inhibiting the invasion and breeding of bacteria and high in ammonia absorptivity and further has outstanding antibacterial and deodorization effects. The natural antibacterial and deodorizing finishing agent has the characteristics that fragrance is uniformly released, the fragrance preservation time is long, and the added value of the product is high.

The invention discloses a controlling method of harmful microbe in the food manufacturing course of rapid-freezing opsonic food, which comprises the following steps: blending inhibitor in the compound of vegetable and water with the weight rate of compound and inhibitor at 100: 1-4 evenly; sterilizing vegetable at 98 deg.c; cooling in the vacuum; freezing; allocating inhibitor with 55%-67% dehydrosodium acetate, 19%-37% sodium gly acid and 3%-17% sodium fumarate.

The invention relates to the field of air purification, in particular to a nanometer formaldehyde scavenging agent. The formaldehyde scavenging agent comprises, by weight, 5-10 parts of nanometer anion powder, 4-8 parts of nanometer antibacterial agents, 5-10 parts of propylene glycol, 0.2-0.5 part of leveling agents, 0.2-0.5 parts of rare earth activators, 0.5-2 parts of plant aromatherapy essential oil, 1-3 parts of tea polyphenols and 100 parts of deionized water. The nanometer formaldehyde scavenging agent has the advantages that bacteria and odor can be effectively removed by the nanometer formaldehyde scavenging agent; the nanometer anion powder and the nanometer antibacterial agents are added into the nanometer formaldehyde scavenging agent, so that harmful substances such as formaldehyde and benzene in the air can be effectively decomposed; intense bacterial inhibition and antibacterial effects further can be realized by the nanometer antibacterial agents, and bacterial inhibition effects can be guaranteed in a long time.

The invention relates to a preparation method of a dental zirconia all-ceramic material. The dental zirconia all-ceramic material is prepared with a preparation method comprising steps as follows: accurately weighing raw materials including ceramic powder, a pore forming material, a binder, a stabilizer and an auxiliary for preparing the dental zirconia all-ceramic material in a certain ratio; performing mixed ball milling or sanding on the ceramic powder, the stabilizer and at least part of the auxiliary in the presence of a certain quantity of a solvent or under the solvent-free condition toobtain material powder, adding the pore forming material, the binder and the remaining auxiliary to the material powder under the heating or cooling condition respectively to obtain a material suspension, and placing the material suspension in a die for cooling and drying to obtain the dental zirconia all-ceramic material.

The invention discloses a fresh keeping method of ready-to-eat seasoned crayfish. The fresh keeping method comprises the following steps of performing modified atmosphere packaging on seasoned and cooked crayfish, performing irradiation sterilization treatment with cobalt 60, wherein gas inflated for modified atmosphere packaging consists of the following substances in percentage by volume: 25-40%of CO2 and 60-75% of N2, and the irradiation dose is 4kGy-8kGy. According to the fresh keeping method disclosed by the invention, the shelf life of the ready-to-eat flavored crayfish can be notably prolonged, and the ready-to-eat flavored crayfish is free from residues, so that the selling range of the ready-to-eat flavored crayfish is greatly enlarged. On the basis of guaranteeing the bacteria resisting effect, the appearance of boxes can be well guaranteed, the condition that the packing boxes are sunken can be avoided, the condition that shrimp meat protein is denatured is not liable to cause, and the elasticity of the shrimp meat can be guaranteed.

The present invention relates to the field of air purification, especially an air purifier. The raw materials include 5-10 parts by weight of nano-titanium dioxide, 4-8 parts of nano-silver, 5-10 parts of propylene glycol, 0.2-0.5 parts of leveling agent, Rare earth activator 0.2-0.5 parts, plant aromatherapy essential oil 0.5-2 parts, deionized water 100 parts. It can effectively eliminate bacteria and deodorize, and adding nano-titanium dioxide and nano-silver can effectively decompose harmful substances such as formaldehyde and benzene in the air as a photocatalyst, and nano-silver also has a strong antibacterial and antibacterial effect, ensuring long-term antibacterial effect. bacteria effect.

The invention discloses a production method of a calamine lotion. The method comprises the steps of grinding calamine superfine powder and zinc oxide superfine through a wet method and mixing at a mass ratio of 1: (0.3-3), cleaning, preparing liquid, stirring and filling to obtain a finished product. Through the scheme disclosed by the invention, the finished product has advantages that the stability of suspension liquid is good and microorganisms are effectively controlled.

The invention discloses an antibacterial gynecological composition, and an antibacterial gynecological gel and a preparation method thereof, wherein the antibacterial gynecological composition comprises, by weight, 2-5 parts of a Qichun Artemisia argyi extraction liquid, 4-10 parts of Fructus cnidii, 4-10 parts of Sophora flavescens Ait, and 3-7 parts of safflower. The antibacterial gynecologicalgel comprises auxiliary materials and the antibacterial gynecological composition, wherein the auxiliary materials comprise a gel matrix, an emulsifier, a humectant and an acidity adjuster. Accordingto the present invention, the antibacterial gynecological composition uses the Qichun Artemisia argyi extraction liquid as the principal drug so as to inhibit most of Gram-negative bacteria and Gram-positive bacteria and ensure the antibacterial property of the drug; the antibacterial gynecological composition uses Fructus cnidii and Sophora flavescens Ait as the ministerial drug so as to achievethe assisted treatment of gynecological inflammatory complications, improve the efficacy, accelerate the healing, effectively kill bacteria, stop itching, kill insects, maintain the vaginal acid-basebalance, and achieve effects of heat clearing, dampness removing, stagnation eliminating and swelling subsiding; and the antibacterial gynecological composition uses safflower as the adjunctive drug,wherein safflower has good treatment effects yin deficiency hemophthisis, dysmenorrhea, unsmooth menstrual discharge and other symptoms.

The invention relates to high-fiber-content nata de coco for instant brewed milk tea. The high-fiber-content nata de coco for the instant brewed milk tea is specifically prepared by the following steps: (1), purchasing raw materials; (2), carrying out deacidification treatment; and (3), carrying out embrittlement treatment. The nata de coco is saccharified and embrittled by using saccharifying liquid and embrittling liquid, and bacteriostatic capabilitied of components, including glucose, sodium citrate and so on, are utilized so as to ensure saccharification and embrittlement effects while effectively enhancing antimicrobial activity of the high-fiber-content nata de coco. Tests have proven that the high-fiber-content nata de coco for the instant brewed milk tea provided by the invention has very beneficial capability for resisting bacterium growth at room temperature so that storage life of the high-fiber-content nata de coco can be greatly extended so as to effectively reduce usage of antibacterial additives; and thus, the high-fiber-content nata de coco for the instant brewed milk tea is healthier.

The invention discloses formaldehyde-removing purifying spray. The formaldehyde-removing purifying spray is prepared from the following components in percentage by mass: 1 to 3 percent of tea leaf extract, 2 to 66 percent of formaldehyde removing agent, 1 to 4 percent of modified polyacrylamide, 0.5 to 3 percent of flatting agent, 0.5 to 3 percent of penetrating agent, 2 to 5 percent of ammonium chloride, 0.3 to 1 percent of tea polyphenol, 0.1 to 1 percent of essence, 2 to 5 percent of surfactant and 40 to 89 percent of water. The formaldehyde-removing purifying spray disclosed by the invention can be used for effectively decomposing harmful substances including formaldehyde, benzene and the like, and transforming and degrading the formaldehyde into a harmless substance, so that pollutioncaused by the formaldehyde on the air is alleviated; the formaldehyde-removing rate reaches 95 percent or more and secondary pollution is not caused; the nano formaldehyde removing agent has strong bacterium-inhibition and antibacterial effects and keeps a bacterium-inhibition effect for a long time.

The invention relates to the technical field of laundry detergents, and provides an antibacterial laundry detergent and a preparation method thereof. The antibacterial laundry detergent comprises thefollowing components: dodecyl alcohol polyoxyethylene ether sulfuric acid, disodium ethylene diamine tetraacetate, fatty alcohol-polyoxyethylene ether AEO-9, potassium aliphatate soap, coconut oil diethanolamide, cocamidopropyl hydroxysulfobetaine, sodium polyacrylate, a silver nitrate solution, borneol extract essence, methyl chloroisothiazolinone, essence and water. The problems that an existinglaundry detergent is single in function, only has a decontamination effect and cannot inhibit bacteria are solved in the invention.

The invention belongs to the technical field of fresh corn processing, and specifically relates to a processing method for reducing the color change of fresh corn. The processing method comprises thefollowing steps: soaking in a table salt solution, cooking in edible alkaline water, carrying out ultrasonic treatment in an impregnation solution, and packaging and sterilizing. Compared with the prior art, the processing method disclosed by the invention has the following advantages that the fresh corn can be boiled in the edible alkaline water after the fresh corn is soaked in the table salt solution, so that nutritional components in the fresh corn can be easily absorbed by a human body while the instant performance of the fresh corn is ensured; then the fresh corn can be treated in the impregnation solution, so that the follow-up storage stability of the fresh corn can be effectively improved, and the taste and the color stability of the corn are ensured; a fresh corn product is enabled to have an antibacterial effect through a synergistic effect of an eggplant stem extract and a bee pollen processed material, the formation of nitrite can be effectively prevented through the synergistic effect of natural propolis, a coriander root extracting solution and vitamin C, and the shelf life of the fresh corn can be prolonged.

The invention provides a preparation method of broad bean paste. The preparation method comprises the following steps: (A) preparing broad bean halves from dried bean halves; (B) boiling with ChineseToona bark, tupelo bark, funnel and water to obtain soup to cover the broad bean halves; (C) covering, in layers, with golden leaves, folium cinnamomi longepaniculati, bay leaves and pumpkin leaves, and performing primary fermentation; (D) removing mould and impurities; (E) adding salt and soy sauce and performing secondary fermentation; (F) adding chilies, rhizoma kaempferiae and ingredients forthird fermentation, and performing third fermentation; (G) preparing pickling main ingredients; (H) uniformly mixing the bean halves after the three fermentation, the pickling main ingredients, soy sauce, garlic and the like; (I) preparing chili oil and uniformly mixing the chili oil with the mixture obtained in the step (H) to obtain the broad bean paste. According to the preparation method provided by the invention, peculiar smell generated by repeated natural fermentation can be effectively controlled, water loss is reduced, sufficient reaction of microorganisms is promoted, and the producthas bright color and rich sauce aroma.

The invention discloses a Chinese herbal medicine type seed coating agent and a preparation method thereof, and belongs to the technical field of preparation of seed coating agents. In order to solve the technical problem about prevention and control of soybean root rot, the invention provides a Chinese herbal medicine type seed coating agent, which is prepared by mixing the following raw materials by weight percent: 20-30% of fructus cnidii extract, 15-25% of rhizoma anemarrhenae extract, 0.4-0.5% of a wetting agent, 2.0% of a dispersing agent, 2.5% of a thickener, 1.0% of a molding agent, 5% of antifreezing agent, and the balance of water; after mixing, preparing slurry, and processing to a particle size of 35-40 mum. The seed coating agent prepared by the invention has a significant inhibitory effect on fusarium oxysporum, and can inhibit the occurrence of root rot of soybean and other crops, reduce and replace the use of traditional chemical pesticides, reduce the cost, and reduce the environmental pollution of chemical pesticides, and significantly reduce the incidence of soybean root rot.

The invention discloses bacteriostatic fiber woven fabric, and belongs to the field of bacteriostatic woven fabric. The bacteriostatic fiber woven fabric is prepared from bacteriostatic warp yarn andbacteriostatic weft yarn in a woven mode; the bacteriostatic warp yarn is prepared from the following components in parts by weight: 30-45 parts of polyester, 3-6 parts of chitosan fiber, 5-10 parts of viscose fiber, 12-20 parts of cotton fiber and 2-5 parts of sodium carboxymethylcellulose; and the bacteriostatic weft yarn is prepared from the following components in parts by weight: 40-60 partsof polyester, 6-10 parts of bamboo fiber, 2-5 parts of mint fiber, 8-12 parts of viscose fiber and 2-5 parts of nano-silver particles. The bacteriostatic woven fabric is prepared from the bacteriostatic warp yarn and the bacteriostatic weft yarn in the woven mode, the bacteriostatic components are directly contained in the yarn and integrated with the yarn, thus the loss of the bacteriostatic components due to washing is avoided, the service life is prolonged, and the bacteriostatic effect is ensured.

The invention relates to the field of shoe making technologies, and in particular to a processing method of antibacterial health care shoes. For each shoe, the processing method comprises the following steps: firstly, cutting a surface fabric and a lining fabric of a shoe vamp, and soaking the lining fabric in antibacterial medicine liquid at 40 DEG C for 3-5h; then, taking out the lining fabric and rapidly drying the lining fabric at 100 DEG C until a moisture content is less than 2%; then, applying glue between the surface fabric and the lining fabric, pressurizing and sticking the surface fabric and the lining fabric in an environment at 60 DEG C, and drying the stuck surface fabric and lining fabric under a natural state in the air; and making a shoe upper and the shoe vamp by virtue of the combined antibacterial fabric, and sticking the shoe upper and the shoe vamp to a shoe sole, so that the shoe is made. According to the processing method of the antibacterial health care shoes provided by the invention, by conducting antibacterial treatment on the lining fabrics, the antibacterial effect of the shoes can be effectively guaranteed, so that wearing comfort is improved; and meanwhile, the shoes, which are made from a pure cotton material, can guarantee the attachment of the antibacterial medicine liquid to the pure cotton material, so that the shoes cannot become fallen easily and can guarantee a durable effect.

The invention discloses a medical cold compress dressing and a preparation method thereof. The medical cold compress dressing comprises the following components: algal polysaccharides, a hydrophilic gel skeleton material, growth factors, hyaluronic acid, sericin, silk fibroin, a grape skin extract, a Gypsophila paniculata extract, a Codariocalyx motorius extract, menthol and water. The preparationmethod of the cold compress dressing comprises the following steps: weighing the components according to the mass, mixing the components under a certain condition to obtain a hydrogel-like liquid, defoaming the hydrogel-like liquid, then pouring the defoamed hydrogel-like liquid into a mold, performing freeze molding to obtain a hydrogel film, performing vacuum sealing on the hydrogel film, and then performing sterilizing to obtain the medical cold compress dressing. The medical cold compress dressing provided by the invention can be used for cooling, repairing and nursing a skin barrier, promoting wound healing and protecting a wound, has the effects of replenishing water, resisting bacteria, diminishing inflammation, diminishing swelling and resisting oxidation, and also has good film-forming property, air permeability, moisture retention, biocompatibility and skin fitness.

The invention provides a peculiar smell elimination system for an animal laboratory. The peculiar smell elimination system comprises an experiment table assembly, an air draft assembly, an environmentsensor assembly, a control assembly, an execution assembly and a power supply assembly, and is characterized in that the experiment table assembly is composed of an experiment table linen fiber tableface, a ventilation pipe and a seat. The air draft assembly is composed of an air collection cover, a gas conveying pipeline, a fixed support and a protection sieve. The environment sensor assembly is composed of multiple air sensors, multiple temperature sensors, multiple humidity sensors and multiple infrared gas sensors. The linen fiber table face is arranged and is formed by weaving linen fibers, the table face can emit scents capable of killing many germs and restraining growth of many parasites, germ generation is restrained from the source, and therefore peculiar smells are restrained.

The invention belongs to the technical field of environment-friendly fresh keeping of fresh flowers, and discloses an environment-friendly fresh keeping box for boxed fresh flowers. The environment-friendly fresh keeping box comprises a fresh keeping box body; the fresh keeping box body comprises a cover plate and a main box body; the cover plate is hinged to one side of the main box body; the cover plate is buckled with the other side of the shell; the main box body is internally provided with a plurality of fresh flower storage cases and bacteriostatic moisturizing liquid storage cases; thewhole fresh keeping box is made of degradable plastic; the fresh flower storage cases and the bacteriostatic moisturizing liquid storage cases store fresh keeping liquid and bacteriostatic moisturizing liquid respectively. The environment-friendly fresh keeping box has the advantages that the box is safe, environmentally friendly and convenient to convey, the fresh keeping effect is good, and thefresh flowers are convenient to store.

The invention discloses a bacteriostat polyurethane synthesizing material. The bacteriostat polyurethane synthesizing material is prepared through the following raw materials in parts by weight: 15-25parts of triethyl phosphate, 10-20 parts of sodium alginate, 80-100 parts of isocyanate, 80-100 parts of mixed polyol, 50-80 parts of mixed catalyst, 2-4 parts of diethanol amine, and 4-8 parts of vegetable fat; the mixed polyol is prepared by mixing polyether polyol and polymer polyol based on the ratio of 1: (1-2); the mixed catalyst is prepared by mixing a triethylene diamine liquid catalyst and an organic metal catalyst. The bacteriostat polyurethane synthesizing material is high in bacteriostat and antibacterial performance and can be prepared into daily products, and the daily productscan remain the bacteriostat effect for a long term, so that the sanitation and health of use are ensured.

The invention belongs to the field of functional composite materials, and relates to a method for preparing anti-tearing biochemical protective clothes with antibacterial function. The method comprises the following steps of: preparing nano magnesium oxide; selecting a kind of anti-tearing cloth, and performing waterproof oil repellent finishing on the anti-tearing cloth; selecting the anti-tearing cloth subjected to the waterproof oil repellent finishing as an outer supporting layer, selecting materials for a middle filter layer and a lining, adding 5 to 25g / m<2> of nano magnesium oxide among the outer supporting layer, the middle filter layer and the lining, and preparing the three layers of materials and the nano magnesium oxide into a biochemical protective composite material by hot pressing and sticking; and preparing the biochemical protective composite material into the integral protective clothes, and performing hot joint at the seams. The invention simultaneously provides the biochemical protective clothes prepared by adopting the method. The chemical substance degradation performance and the antibacterial performance of the prepared protective clothes are improved, and the comfortableness of a wearer is improved on the premise of ensuring excellent biochemical protective effect.