92results about How to "Antibacterial and effective" patented technology

The invention discloses a green antimicrobial cleanser essence as well as a preparation method and application thereof. According to the invention, the green antimicrobial cleanser essence is prepared from an antimicrobial agent, 15.0-45.0% of natural surfactant, 0.1-0.3% of chelating agent, 2.0-5.0% of thickening agent and 0.3-0.9% of composite antimicrobial agent, wherein the antimicrobial agent is a composition of nano silver and natural plant extractives at a mass ratio of 1:5 to 1:1. The antimicrobial activity of the cleanser essence is greatly improved due to the antimicrobial synergistic effect of nano silver and the natural plant extractives; the cleanser essence has the following characteristics of wide antimicrobial spectrum and high antimicrobial efficiency and can be used for removing dirt and pesticide residues as well as peculiar smell while sterilizing effectively, so that the purpose of removing dirt, pesticide residues, harmful microorganisms and peculiar smell at one step is achieved. The preparation method is simple in preparation process, low in cost and capable of being applied to industrial mass production. The prepared green antimicrobial cleanser essence is high in anti-microorganism efficiency, free of toxicity and stimulation, environment friendly, bio-gradable and free of residues after being used so as to be used for cleaning dishes, fruits and vegetables.

The invention discloses an air-cooled refrigerator antibacterial device, comprising a housing. Opposite side walls of the housing are respectively provided with air inlets and air outlets. The air inlet side of the housing is provided with a fan. The air outlet side of the housing is provided with a sterilizing apparatus. The sterilizing apparatus comprises a titanium dioxide structure. The place of the titanium oxide structure is provided with a UV ozone lamp and a negative ion generator. The invention also discloses an antibacterial control method by using the air-cooled refrigerator antibacterial device. When the sterilizing apparatus works, hydroxyl, negative ions and ozone are produced to form a gaseous antibacterial agent with much stronger antibacterial and bactericidal effects than any one or the combination of any two of the above three. So the antibacterial and bactericidal effects are enhanced. The method of the present invention includes sending ozone, negative ions and hydroxyl of low concentration generated by the antibacterial device to every corner of upper, middle and lower shelves of the refrigerator by controlling a ventilation door switch. The ozone, negative ions and hydroxyl are continuously circulated under the action of the ventilation door to kill the bacteria in air and on the surface of foods in the refrigerator. Antibacterial test results show that the sterilization rate is greater than 90%.

The invention relates to an active carbon rod, and discloses a multi-antibacterial active carbon rod for purifying water and a preparation method of the carbon rod. The multi-antibacterial active carbon rod can search an optimal safety point between an antibacterial effect and antibacterial agent exudation. The multi-antibacterial active carbon rod for purifying the water is provided with an active carbon rod body; an antibacterial screen cylinder is placed into an inner cavity of the active carbon rod body; an antibacterial melt-blown cotton layer is arranged on the external surface of the active carbon rod body; and an antibacterial LDPE (low-density polyethylene) grid layer is arranged on the external surface of the antibacterial melt-blown cotton layer. The preparation method comprises the steps that the active carbon rod body is prepared; active carbon powder, an adhesive agent and an antibacterial agent are mixed and then formed into the active carbon rod body; the antibacterial screen cylinder is prepared and then placed into the inner cavity of the active carbon rod body; the antibacterial melt-blown cotton layer is prepared and wound on the surface of the active carbon rod body; the antibacterial LDPE grid layer coating the antibacterial melt-blown cotton layer is prepared; and then the multi-antibacterial active carbon rod for purifying the water is obtained.

The antibiotic silver-carrying modified artificial coral bone consists of modified artificial coral bone with controllable degradation speed as carrier and adsorbed silver ion particle. The modified artificial coral bone consists of calcium carbonate in 30-70 wt% and hydroxyapatite. The preparation process of the antibiotic silver-carrying modified artificial coral bone includes the following steps: 1. preparing modified artificial coral bone; 2. soaking the artificial coral bone in silver nitrate solution, heliophobic vacuum low temperature freeze drying, adding sodium chloride solution to form silver chloride precipitate on the surface of the artificial bone and heliophobic vacuum low temperature freeze drying; and 3. distilled water dialysis to prepare antibiotic silver-carrying modified artificial coral bone.

Provided is an antibacterial glass which can be accommodated in a narrow accommodating space in an antibacterial water unit for supplying antibacterial water to a washing tube of a washing machine, is capable of effectively suppressing the occurrence of black mold and the like in the washing tub, and can effectively inhibit bacteria on laundry while suppressing discoloration thereof. An antibacterial glass for releasing silver ions and exhibiting antibacterial effects in direct contact with water, the Ag2O content thereof being within the range of more than 5 wt% to 10 wt% or less, the P2O5 and CaO content being within a predetermined range, the ZnO content being less than 10 wt%, and the K2O, Al2O3, and MgO content being within a predetermined range with respect to a total quantity of 100 wt%, and the shape of the antibacterial glass being a doublet shape having a maximum diameter in a predetermined range.

The invention discloses a medical hemostasis antibacterial dressing. The medical hemostasis antibacterial dressing is prepared from the raw materials in parts by weight: 60 to 80 parts of polyglutamicacid-Pulullan cross-linked polymer, 25 to 35 parts of collagen, 13 to 17 parts of bamboo vinegar powder, 12 to 18 parts of glycollic acid, 6 to 10 parts of garlic polysaccharide, 5 to 15 parts of hyaluronic acid, and 50 to 60 parts of pure water. The invention also discloses a preparation method of the medical hemostasis antibacterial dressing. The medical hemostasis antibacterial dressing of theinvention has excellent performance for covering wounds, helping the wound healing, efficiently stopping bleeding, preventing the bacterial invasion, promoting the tissue restoration and preventing the adhesion, can rapidly absorb the water in the blood when contacting the wound, can keeping the environment wet, and can effectively seal the bleeding wound.

The invention discloses an antibacterial material with pH responsivity and light sensitivity and a preparation method thereof. Hydrophilic and hydrophobic photodynamic molecules are loaded in a nano particle polymer Poly(HDDA-co-DBPA)-PEG. High molecular polymer nano particles with pH responsivity are prepared and are subjected to hydrophilic PEG modification, and photodynamic molecule medicines Chlorin e6 are loaded into the nano particles by hydrophilic and hydrophobic properties. Multiple biological antibacterial technologies are integrated, the bactericidal biological effect is increased, the adhesion of medicines in special environments is effectively increased, the bacterial organism growth is inhibited, an effective antibacterial effect can be achieved, the biocompatibility is good, the cost is low, and the material stability is good. A biological macromolecular antibacterial material obtained by the preparation method disclosed by the invention has the characteristics of effective antibacterial effect, good biocompatibility, good stability and low cost.

The invention discloses an antibacterial filter fabric and a preparation method thereof, and relates to the technical field of melt-blown cloth. The antibacterial filter fabric is prepared from the following raw material components by weight: 80-90 parts of high-melt-index polypropylene, 4-8 parts of nano silver ion powder, 2-4 parts of PP electrostatic electret masterbatch, 1-3 parts of bamboo charcoal powder, 1-3 parts of nano titanium dioxide powder, and 0.6-0.8 part of a diffusant NNO. The melt index of the high-melt-index polypropylene is 1500. The antibacterial filtering fabric provided by the invention has the functions of efficiently adsorbing and removing bacteria and viruses, removing peculiar smell and self-cleaning. The preparation method of the antibacterial filtering fabric provided by the invention is simple to operate and stable in technology, and the prepared fabric is excellent in performance and extremely high in commercial value.

The invention discloses a preparation method of viscose fiber, and belongs to the technical field of preparation of artificial fiber. The preparation method comprises the steps of mixing degummed silk cocoons with deionized water, and filtering to acquire a filter cake; adding calcium chloride and the like to mix and heating; rotary evaporating to prepare protein concentrated solution; taking wheat bran to be mixed with deionized water and boiling; adding mixed enzyme for enzymolysis, and filtering, drying, ball milling and screening to acquire separated fiber particles; electrospinning the protein concentrated solution and the separated fiber particles to acquire the viscose fiber after activating and carbonizing palm fiber. Therefore, the problems that the traditional viscose fiber is poor in elasticity and prone to deform when wearing, generates wrinkles and has poor antibacterial endurance are effectively solved. The preparation method provided by the invention is simple in steps, and the acquired viscose fiber has good elasticity and antibacterial endurance, and no wrinkle and deformation occurs when wearing.

The invention belongs to the technical field of food preservation, and relates to a nano preservative film with intelligent response and antibacterial functions and a preparation method thereof. The preservative film is prepared from superfine fibers of a core-shell structure, wherein a compound of poly(lactic-co-glycolic acid) and an ethylene-vinyl alcohol copolymer is used as a shell, and thymolis used as a core. The poly(lactic-co-glycolic acid) can serve as a degradable skeleton material, the ethylene-vinyl alcohol copolymer is a material with high barrier properties, and as the shell, the compound of the poly(lactic-co-glycolic acid) and the ethylene-vinyl alcohol copolymer can isolate oxygen in air and also can effectively inhibit volatilization of the thymol. Under the condition ofimproving the humidity, molecular gaps of shell materials are enlarged, the isolation performance of the shell is reduced, and the antibacterial agent, namely the thymol, wrapped in core-shell nano fiber can slowly volatilize into an environment for storing fruits and vegetables. The film is applied to storage of the fruits and the vegetables, and can intelligently and spontaneously realize responsive release of thymol essential oil along with change of the environmental humidity, so that the storage period of the fruits and the vegetables is prolonged.

The invention discloses inner wall environment-friendly adsorption paint suitable for a recreational field. The inner wall environment-friendly adsorption paint is prepared from the following main components: 3 to 8 percent of polyacrylic ester, 16 to 25 percent of light-weight calcium carbonate, 18 to 22 percent of glutinous rice gelatin powder, 0.1 to 0.3 percent of nano tourmaline powder, 3 to8 percent of plant antibacterial agent, 3 to 5 percent of magnetic hydrotalcite and the balance of water. By simultaneously utilizing the polyacrylic ester and glutinous rice gelatin powder, the adhesive effect of the matrix is better; by utilizing the magnetic hydrotalcite, the inner wall environment-friendly adsorption paint has better adsorption effect than the conventional adsorbent such as diatomite, nano titanium dioxide and the like; and moreover, by adopting the magnetizing treatment in the use process, a long-time adsorption effect can be achieved; and the paint adopts the plant component and mineral component as main components, is harmless to the human body as an indoor building material, and also has an effect for purifying the air.

The invention discloses a pharmaceutical composition for inhibiting bacteria and nourishing skin and a preparation method thereof. The pharmaceutical composition is prepared from the following components in parts by weight: 1-3 parts of vitamin E, 2-4 parts of chlorophyll, 6-10 parts of medical urea and 4-6 parts of lanolin, as well as 3-5 parts of catechin, 2-4 parts of lentinan and 6-9 parts of propolis. The pharmaceutical composition is hypoallergenic and mild, can be used for effectively inhibiting bacteria, resisting inflammation, moistening and nourishing skin, and can be used as daily nursing appliances for infants; and the preparation method is simple, has a stable system, and has a good application prospect.

The invention relates to an antibacterial and anti-mite fabric. The antibacterial and anti-mite fabric sequentially comprises a surface layer (1), a moisture-permeable bonding layer (2), an anti-mite film layer (3) and a base layer (4) from outside to inside. The antibacterial and anti-mite fabric disclosed by the invention has an anti-mite function, and good antibacterial property.

The invention belongs to the technical field of daily chemical washing products, and particularly relates to a bacteriostatic agent composition, a preparation method thereof and an application of thebacteriostatic agent composition in antibacterial laundry detergents. The bacteriostatic agent comprises long-chain alkyl betaine@graphene quantum dots and a natural plant extract, wherein the mass ratio of the long-chain alkyl betaine@graphene quantum dots to the natural plant extract is 1:8-1:1, wherein the natural plant essential oil is a mixture of two or more selected from ammi visnaga essential oil, tree peony root bark essential oil and dracocephalum heterophyllum essential oil. After the plurality of kinds of natural antibacterial plant essential oil are effectively compounded, the compounded natural antibacterial plant essential oil is compounded with a small amount of graphene quantum dot (GQDs) nano antibacterial material to prepare the green, efficient and environment-friendlybacteriostatic agent composition, and the bacteriostatic agent composition is applied to antibacterial laundry detergents.

The invention provides a waterproof antibacterial directional shaving board. The waterproof antibacterial directional shaving board comprises an upper surface layer, a core layer and a lower surface layer, the mass ratio of the upper surface layer and the lower surface layer to the core layer is (60% to 75%):(25% to 40%), and the paving included angles between the upper surface layer and the corelayer as well as between the lower surface layer and the core layer are each 80-90 degrees. The invention further provides a preparation method of the waterproof antibacterial directional shaving board. The preparation method comprises the steps of shaving, drying, mixed spraying, drying, gluing, paving, liquid spraying and hot pressing, plate billet balancing, edge cutting, cooling, sanding and film forming. The waterproof antibacterial directional shaving board has the beneficial effects that a reaction between -NCO groups of isocyanate MDI glue in a board material of the waterproof antibacterial directional shaving board and -OH groups of shavings is complete, the gluing effect is good, and internal stress is uniformly distributed; the board material is good in overall stability, in thelong-term using or storage process, the phenomena of crack, layering, bulking and the like are avoided, and release of substances such as formaldehyde harmful to the human body is avoided; and bacterial resisting, mold preventing and insect preventing can be effectively achieved, and the antibacterial rate of the waterproof antibacterial directional shaving board reaches 99.1-99.7%.

The invention relates to antibacterial cement concrete and a preparation method thereof. The antibacterial cement concrete is prepared from the following raw materials in parts by weight: 12-18 parts of cement, 0.6-1 part of metakaolin, 32-55 parts of quartz sand, 58-120 parts of coarse aggregate, 0.012-0.04 part of an antibacterial agent and 5.5-10.5 parts of deionized water. Nano photocatalytic material is doped into the cement concrete as an antibacterial agent, so that the durability of the cement concrete is not influenced, and an antibacterial effect can be achieved for a long time; artificial coarse aggregate is adopted to replace part of natural coarse aggregate, so that the light receiving area of the antibacterial agent in the cement concrete can be increased; in addition, an antibacterial agent is adopted to form a lubricating film on the surface of the coarse aggregate, so that the lubricating degree of the surface of the coarse aggregate is improved, and the fluidity of cement concrete and the material mixing uniformity are improved.

The invention relates to lining base cloth in the field of spinning, and discloses an anti-mite adhesive lining base cloth. The anti-mite adhesive lining base cloth comprises a base cloth body, wherein the base cloth body sequentially comprises a surface layer, a breathable bonding layer, an anti-mite film layer and a base layer from outside to inside; the surface layer is a PU film mixed with an antibacterial agent; a micro-pore is formed in the anti-mite film layer; and the aperture of the micro-pore is between the diameter of a hydrone and the diameter of an air molecule. The anti-mite adhesive lining base cloth provided by the invention is reasonable in structure; the antibacterial agent of the surface layer is a silver ion mixed liquid antibacterial agent, and contains metal silver; a silver ion has high biological activity, so that protein inside and outside a bacterial cellular membrane is solidified, so as to prevent bacteria breeding and effectively resist the bacteria; meanwhile, due to high electrical conductivity of the silver, static electricity generated by friction is rapidly removed; and the fabric has waterproof and breathable characteristics and also has an antibacterial function due to the PU film mixed with the antibacterial agent on the surface layer and repellent elastic fabric on the base layer, so that the anti-mite adhesive lining base cloth is convenient and safe to use.

The invention discloses a pure natural skin care perfumed soap and a preparation method thereof. The pure natural skin care perfumed soap is prepared from the following raw materials in parts by weight: 100 parts of natural soap base, 2-5 parts of a golden cypress extract, 0.3-0.5 part of milk, 1-3 parts of a purple cabbage extract, 0.2-0.5 part of cedarwood oil and 0.1-0.3 part of peppermint oil. The prepared pure natural skin care perfumed soap has the functions of sterilizing, relieving itching, reducing freckle and taches noir, and whitening, can preserve moisture for a long time, and moisten skin to prevent rough skin and realize the purposes of maintaining and repairing skin, is an ideal skin care product which has plant cool and refreshing type aroma, is environment-friendly, safe, economical and cheap, and has potential commercial prospects.

The invention relates to a silver fiber and bamboo charcoal fiber composite antibacterial and anti-mite fabric. The fabric comprises a surface layer (1), a moisture permeable bonding layer (2), an anti-mite film layer (3) and a base layer (4) from outside to inside in sequence, wherein the base layer is at least formed through reclining and jointing of a layer of silver fiber fabric and a layer of bamboo charcoal fiber fabric, namely alternate combination of two layers, three layers or a plurality of layers of fabrics. The fabric not only has an anti-mite function but also has a good antibacterial property. The fabric can provide products with better properties and different grades of products and meet the actual use requirements.

The invention relates to an antibacterial plastic bag used for packaging vegetable and a production process thereof. The antibacterial plastic bag comprises, by weight, 100 parts of polyethylene, 50 to 60 parts of acrylonitrile, 18 to 27 parts of butadiene, 23 to 32 parts of licorice root, 20 to 25 parts of dark plum, 45 to 60 parts of Pu'er tea, 18 to 24 parts of bitter gourd, 6 to 8 parts of an aseptic, 1 to 3 parts of a coupling agent, 3 to 5 parts of a flexibilizer, 4 to 6 parts of starch and 2 to 3 parts of potassium citrate. According to the invention, plastic produced in the invention has a good antibacterial function, can guarantee freshness of food, inhibit decay and fermentation of organic matters in garage and reduce peculiar smell emitted by decayed garage, and ensures that the plastic bag inhibits decay, mildew, emission of peculiar smell and the like in the process of usage, so environmental quality is improved; and the plastic bag is low in production cost and suitable for promotion.

The invention belongs to the technical field of pillow equipment, and particularly discloses an antibacterial quilting and embroidering neck protection combined pillow which comprises a neck sleeve and a headrest, the neck sleeve is formed by combining two semi-arc-shaped pillowcases, the two pillowcases are connected through a rotating shaft and fixed through a fixing device, each pillowcase comprises an antibacterial outer sleeve, and a mounting groove is formed in each antibacterial outer sleeve. An air cushion device is installed in the mounting groove and comprises an air bag, the air bagand the mounting groove are matched with each other, the air bag is connected with an automatic inflation device, a hook-and-loop fastener is arranged on the rear side of the pillowcase, the headrestis fixed to the pillowcase through the hook-and-loop fastener, the headrest is also sleeved with the antibacterial outer sleeve, and a main pillow block is arranged on the rear side of the headrest.And side pillow blocks are symmetrically arranged on the two sides of the headrest. The pillow is convenient to store and carry, convenient to mount and dismount, high in antibacterial effect, high incomfort and high in practicability.