143results about How to "Improve antibacterial and antiviral effects" patented technology

The invention provides a pure plant type antibacterial cleanser and a preparation method thereof. The cleanser is prepared from a Chinese medicinal plant preparation, alkyl polyglucoside, coco glucoside amphoteric surfactant, polyol, acidity regulator, flavor, and deionized water. The pure plant preparation is used as the raw material, so the pure plant type antibacterial cleanser is mild in usability, low in irritation and high in efficiency, and can be used safely, and used for sterilizing the surfaces of household rooms, clothes, kitchen ware, gymnasium equipment, infant toys and the like. According to the cleanser, the raw material system has a synergistic effect, and the pure plant type antibacterial cleanser is high in stability and water solubility, low in toxicity, can be washed easily, does not have irritation, and can be applied to the surfaces of various objects.

The invention discloses a preparation method of double-self-cleaning fabric. The method comprises steps as follows: 1, modified nano titanium dioxide is added to water; 2, the fabric is irradiated for treatment; 3, the fabric treated in the step 2 is soaked in a modified nano titanium dioxide water solution prepared in the step 1 and then taken out to be dried, and the self-cleaning fabric is obtained. The preparation method adopts a simple process, the cost is low, and industrial production is easily realized. The fabric prepared with the method has double self-cleaning effects including a photocatalytic self-cleaning effect and super-hydrophobic self-cleaning effect and has lasting photocatalytic activity.

The invention provides a protective fabric, a preparation method and application thereof. The protective fabric comprises an antistatic base cloth layer, a waterproof and moisture permeable layer, anantibacterial layer and an antiviral coating which are arranged in sequence. The material of the antiviral coating comprises a compound of graphene and nano titanium dioxide. The antistatic base clothlayer is obtained through a weaving method, then the antistatic base cloth layer is compounded with the waterproof and moisture permeable layer, then the antibacterial layer is obtained through a padding process, and finally the antiviral coating is sprayed. The protective fabric achieves performance balance in the aspects of antibacterial properties, antiviral properties, antistatic properties,waterproof and moisture-permeable properties and comfort level; the antiviral coating has photocatalytic oxidation bacteriostatic and antiviral activity, and cooperates with the antibacterial layer, so that the protective fabric has lasting, stable and broad-spectrum antibacterial and antiviral performance, the protective performance cannot be attenuated along with repeated washing, the protectivefabric has good performance stability and can be used repeatedly, the cost of protective clothing is effectively reduced, and the protective fabric is more energy-saving and environment-friendly.

The invention discloses high-stability antibacterial antiviral feed for river crabs. The high-stability antibacterial antiviral feed for the river crabs is prepared from corn starch, dextrin, saccharose, wheat, meat meal, fermented blood meal, fish meal, silkworm chrysalis meal, fish oil, flax seed oil, phosphatide oil, peanut oil, lecithin, cholesterol, cellulose, wheat bran, sodium carboxymethyl cellulose, hydroxy propyl cellulose, valine, histidine, lysine, methionine, arginine, threonine, glutamic acid, cysteine, vitamin premixing powder, mineral premixing powder, folic acid, choline, sepia paste, a composite antibacterial agent and a coating material, wherein the composite antibacterial agent is prepared from carboxymethyl chitosan, potassium sorbate, isatis roots, herba andrographitis, herba houttuyniae, galacto-oligosaccharides and vitamin B12. The high-stability antibacterial antiviral feed for the river crabs is high in stability and good in antibacterial and antiviral properties.

The invention provides a traditional Chinese medicine immunopotentiator for enhancing an immune function of broiler chickens during growth. The immunopotentiator comprises crude medicines such as aleppo avens, panax japonicus, platycodon grandiflorum, pokeberry roots, fructus psoraleae, hawthorn fruits, Chinese yams, honeysuckle, sargentgloryvine stems, fructus cnidii, artemisia apiacea, bighead atractylodes rhizome, cinnamon, sealwort, wolfberries, radix glehniae, angelica sinensis, isatis roots, mistletoe, polygonum multiflorum, herba fibraureae recisae, thlaspi arvense, gynostemma pentaphylla and liquorice. The traditional Chinese medicine immunopotentiator has functions of increasing weight and promoting growth of the broiler chickens, has a function of promoting the immune function, can enhance the organism immunity, can improve the anti-bacterial and anti-virus capability and can improve the meat quality. The traditional Chinese medicine immunopotentiator plays an important role in adjusting immune organs, immune cells and the specific immune function of the broiler chickens and can effectively reduce drug residues and pathogenic microorganism residues of animal products.

The invention relates to an antibacterial and antiviral mask and a preparation method thereof. The antibacterial and antiviral mask sequentially comprises an antibacterial layer, a bacteria dissolvinglayer and an antiviral layer from outside to inside, wherein the antiviral layer comprises aminopeptidase, and the aminopeptidase is derived from streptomyces nitro. According to the antibacterial and antiviral mask, aminopeptidase from streptomyces nitro is selected as an antiviral agent, so that the antibacterial and antiviral mask has the advantages of being high in antiviral property, safe and environmentally friendly; the antibacterial and antiviral mask has lasting antibacterial and antiviral capacity, the antibacterial and antiviral effects are thorough, and secondary infection of bacteria and viruses is effectively avoided; and the preparation method of the antibacterial and antiviral mask has the advantages of simplicity in operation, low cost, easiness in implementation, environmental friendliness and the like.

The invention discloses an antibacterial and antiviral CoCrCuFeNi high-entropy alloy and an in-situ alloying method employing selective laser melting and application thereof, and belongs to the technical field of high-entropy alloys. The in-situ alloying method employing selective laser melting of the antibacterial and antiviral CoCrCuFeNi high-entropy alloy comprises the following steps: mixing pre-alloyed CoCrFeNi powder and Cu powder to obtain mixed powder; flatly laying the mixed powder layer by layer; and carrying out selective laser melting by adopting laser as an energy source. According to the method, the selective laser melting technology is combined with the antibacterial and antiviral high-entropy alloy, and in-situ alloying is achieved in the selective laser melting process, so that the alloy development efficiency is improved, and the homogeneous single-phase face-centered cubic high-entropy alloy is obtained, and the quasi-equal-atomic-ratio CoCrFeCuNi high-entropy alloy with broad-spectrum antibacterial and antiviral capacity and good mechanical property is prepared.

The invention provides bio-based water-based coating and a preparation method and application thereof. The bio-based water-based coating comprises a bio-based resin emulsion and an antibacterial and antiviral composite filler, wherein the antibacterial and antiviral composite filler comprises an inorganic nonmetallic mineral carrier, nano titanium dioxide and nano silver, wherein the nano titaniumdioxide and the nano silver are loaded on the inorganic nonmetallic mineral carrier. The bio-based water-based coating takes the bio-based resin emulsion as a film-forming substance, has the characteristics of greenness, renewability and degradability, and can fully meet the environmental protection requirements of coating; meanwhile, the antibacterial and antiviral composite filler is an inorganic antibacterial filler which has a photocatalytic oxidation antibacterial property and is synergistic by multiple components, so that the coating film is endowed with efficient, broad-spectrum and lasting antibacterial and antiviral properties. The bio-based water-based coating satisfies the requirements of environmental protection, antibiosis and antivirus, has favorable water resistance, alkaliresistance and stain resistance after film formation, and is especially suitable to be used as building coating in building exterior wall or indoor coating.

The invention provides immunity improving composite feed for poultry and a preparation method thereof. The immunity improving composite feed is prepared from the following ingredients in parts by weight: 2 to 3 parts of radix scutellariae, 5 to 10 parts of radix astragali seu hedysari, 3 to 5 parts of bighead atractylodes rhizome, 10 to 14 parts of liquorice roots, 5 to 7 parts of radix codonopsis, 0.07 to 0.09 part of pyridoxol hydrochloride, 0.5 to 1 part of composite trace elements, 20 to 30 parts of soya bean meal, 15 to 26 parts of bagasse, 7 to 12 parts of durian shells, 6 to 14 parts of mangosteen shells, 2 to 3 parts of table salt, 12 to 20 parts of fructo-oligosaccharide, 1 to 2 parts of composite probiotics powder and 0.01 to 0.02 part of hydroxymethyl propyl cellulose. The immunity improving composite feed has the beneficial effects that the content of beneficial bacteria in the poultry bodies can be effectively increased; the breeding of harmful bacteria is inhibited; the anti-virus capability of the poultry can be improved; the body function of the poultry can be regulated; the macrophage and leukocyte multiplication capability can be enhanced; the poultry immunity is improved.

The invention discloses a plant air purifier and a preparation method thereof, and relates to the technical field of air purifiers. The plant air purifier is prepared from the following raw materialsin parts by weight: 30 to 50 parts of extracting solution of bamboo leaves, 10 to 20 parts of nanometer zeolite powder, 20 to 30 parts of nanometer activated carbon powder, 18 to 36 parts of modifiedattapulgite, 16 to 30 parts of Chinese herbal medicine, 8 to 12 parts of photocatalyst powder, 4 to 8 parts of sodium hexametaphosphate, 6 to 10 parts of stearic acid, 6 to 12 parts of sodium citrate,and 1 to 5 parts of sodium dodecyl benzene sulfonate. The preparation method of the plant air purifier comprises the following steps of preparing of effective components of the Chinese herbal medicine, and uniform mixing. The plant air purifier has the advantages that the purifying effect is good, the safe and environment-friendly effects are realized, and the action time is long.

The invention discloses a multifunctional filtering material and a preparation method thereof. According to the method, a supporting layer non-woven fabric is subjected to antibacterial treatment by preparing an antibacterial finishing liquid containing silver nitrate, copper nitrate and carboxymethyl chitosan; and the supporting layer non-woven fabric subjected to antibacterial treatment, an active carbon layer, a filtering layer non-woven fabric and a protection layer non-woven fabric are stacked layer by layer and compounded to prepare a multifunctional filtering material capable of comprehensively filtering solid pollutants, gaseous pollutants and microbial pollutants. According to the invention, by adopting the technical scheme, the multifunctional filtering material can achieve efficient antibacterial and long-acting antibacterial effects; by adjusting the gram weight and the thickness of each layer of the material and the related process parameters of the multifunctional filtering material, the comprehensive optimal filtering effect is achieved; and the preparation method is simple, the product structure is reasonable, and the application range is wide.

The invention discloses a traditional Chinese medicine combination for preventing and treating a bamboo rat cold, which is prepared from the following Chinese herbal medicine raw materials in parts by weight: 2-4 parts of root of kudzu vine, 2-4 parts of root of dahurain angelica, 2-4 parts of biond magnolia flowerbud, 2-4 parts of southernwood, 2-4 parts of fritillary and 3-5 parts of mahonia. The Chinese herbal medicines are respectively shattered, mixed or boiled to obtain the traditional Chinese medicine combination. The traditional Chinese medicine combination is remarkable in effects of heat elimination and diminish inflammation and good in effects of antisepsis, virus resisting, aperture smoothing and pain relieving, can prevent and treat the bamboo rate cold, has remarkable effects, is high in efficiency and cure rate, convenient to use, safe and free in side effect, avoids the abuse of antibiotic, is mild in medicine property and odour, good in mouth feeling, suitable for being ate by bamboo rats, supplies rich nutritious substances and micro elements to the bamboo rats, and improves the resistance of the bamboo rats to diseases.

The invention relates to preparation and a technology of an herbal anti-microbial cleaning liquid which is composed of honeysuckle, fructus forsythiae, fructus kochiae, loropetalum chinense, sanguisorba officinalis, chrysanthemum indicum, dracocephalum moldavicum, bletilla striata, sapindus mukorossi, lactic acid, chitosan and water. Chinese herbal medicine extracts are excellent in anti-microbial and anti-virus function. By means of combination with a solution including the lactic acid and the chitosan, the herbal anti-microbial cleaning liquid not only is enhanced in anti-microbial and anti-virus cleaning effect but also has good anti-microbial, itch-relieving, nourishing and protecting effects on skin. The herbal anti-microbial cleaning liquid has a wide application market.

The invention discloses low-foam laundry soap with strong dirty removal capacity. The laundry soap is prepared from the following raw materials in parts by weight: 8-12 parts of sodium hydroxide, 20-30 parts of water, 40-55 parts of palm oil, 10-12 parts of coconut oil, 35-55 parts of surfactant, 6-8 parts of a defoaming agent, 1-2 parts of a chelating agent, 1-3 parts of sodium metasilicate, 2-4 parts of biological enzyme and 3-5 parts of sterilizing agent, wherein the surfactant is prepared from the following raw materials: tween 80, alkyl glucoside, sodium dodecyl benzene sulfonate and lauramidopropyl betaine. The laundry soap has strong dirt removal capacity, is low-foam, and is easy to rinse, and the water consumption can be lowered.

The invention belongs to the technical field of edible fungus cultivation and relates to a grifola frondosa liquid strain culture solution and a cultivation method. The grifola frondosa liquid strain culture solution mainly comprises glucose, soya bean powder, potassium dihydrogen phosphate, magnesium sulfate, an antifoaming agent, a growth substance and water. The grifola frondosa liquid strain culture solution accelerates a strain growth speed, improves strain activity and vitality and shortens a grifola frondosa fungus age and a growth period. The grifola frondosa liquid strain develops well, has good antibiosis and antiviral capability, has even fungus ages, grows uniformly, comprehensively improves grifola frondosa liquid strain quality and yield and reduces a production cost.

The invention discloses a novel antibacterial and antiviral preparation, a resin, a decorative paper and a plate, and belongs to the technical field of furniture plates. A preparation method of the novel antibacterial and antiviral plate is simple, polyether alkali metal salt is prepared by catalyzing ring opening of ethylene oxide, polyether sulfonate is prepared and synthesized by catalyzing ring opening of 1, 3-propane sultone, the polyether sulfonate is compounded with an antifungal agent and a plant extract to prepare an antibacterial and antiviral preparation, and the ratio of all components is reasonably adjusted to synthesize the melamine formaldehyde resin, so that the resin is compatible with a preparation, and the plate with antibacterial and antiviral effects is prepared by utilizing a gum dipping process and a high-temperature and high-pressure pressing process. The preparation process is simple, green and environmentally friendly and has remarkable economic benefits, and the preparation, the resin, the decorative paper and the plate have long-acting antibacterial and antiviral performance, are environmentally friendly and healthy, effectively resist corrosion and dirt and prolong the service life of board furniture.

The invention provides an antibacterial and antiviral aluminum alloy and a preparation method thereof. The aluminum alloy comprises an aluminum alloy matrix and an antibacterial and antiviral coatingarranged on the surface of the aluminum alloy matrix, wherein the antibacterial and antiviral coating comprises the following raw materials in parts by mass: 65-85 parts of resin, 15-25 parts of a filling material, 27.5-42.5 parts of an auxiliary agent, 4-6 parts of powder hydroxide, 1-2 parts of an inorganic antibacterial agent and 1-2 parts of an organic antibacterial agent. The antibacterial and antiviral coating is arranged on the surface of the aluminum alloy, so the antibacterial and antiviral aluminum alloy has excellent antibacterial and antiviral effects; an electrostatic vacuum spraying method used in the preparation method provided by the invention is high in powdering rate and small in coating usage amount, so the coating purchasing cost is reduced; a large amount of waste of coatings in a traditional process is avoided; environmental pollution is reduced; and environmental friendliness and energy conservation are achieved.

The invention provides an antibacterial and antiviral non-woven fabric and a preparation method thereof. The antibacterial and antiviral non-woven fabric is formed by compounding first polyester staple fibers loaded by carbon quantum dots and titanium dioxide nanosheets and second polyester staple fibers loaded by silver-loaded and copper-loaded nano zeolite, wherein the mass ratio of the first polyester staple fibers to the second polyester staple fibers is (30-70%): (70-30%). The antibacterial and antiviral non-woven fabric is prepared by compounding and blending the first polyester staple fibers loaded by the carbon quantum dots and the titanium dioxide nanosheets and the second polyester staple fibers loaded by the silver-loaded and copper-loaded nano zeolite; and the advantages of thesilver ion and copper ion inorganic antibacterial and antiviral agent and the titanium dioxide photocatalytic antibacterial and antiviral agent are integrated, the excellent adsorption performance ofthe nano zeolite and the excellent water solubility and optical performance of the carbon quantum dots are combined, and the antibacterial and antiviral performance of the non-woven fabric is synergistically improved.

The invention belongs to the technical field of fibers, and particularly relates to an antibacterial and antiviral UHMWPE functional fiber and a preparation method thereof. Firstly, the invention provides the antibacterial and antiviral UHMWPE functional fiber which is prepared from the following raw materials in parts by weight of 20-80 parts of UHMWPE powder, 8-20 parts of a modifier, 0.5-5 partof a cationic monomer, 0.05-0.1 part of di-tert-butyl peroxide, 0.5-2 part of a modified carbon nanotube, 0.3-2.5 parts of a silane coupling agent, 10-20 parts of nano ZnO/Ag powder and 50-200 partsof a solvent. The applicant finds that the UHMWPE functional fiber prepared by the invention can load nano antibacterial particles through a large number of creative experiment explorations, the fiberperformance is ensured, and meanwhile, the fiber is endowed with excellent antibacterial and antiviral properties, and the antibacterial rate of the fiber on escherichia coli, staphylococcus aureus,candida albicans and influenza viruses reaches 90 percent or above; and excellent antibacterial and antiviral effects are achieved.

The invention discloses a novel antibacterial and antiviral multifunctional coating and a preparation method thereof. The novel antibacterial and antiviral multifunctional coating comprises a pure acrylic emulsion, hydroxyethyl cellulose, a silver-loaded antibacterial and antiviral material, an auxiliary agent, a filler and water; and the silver-loaded antibacterial and antiviral material comprises Ag2SiO3 powder with the particle size of 1-30 microns and Ag@Zr (HPO4) 2 powder with the particle size of 10-200 nm. According to the invention, Ag@Zr (HPO4) 2 powder with a small particle size fills Ag2SiO3 powder with a large particle size and a layered structure to prepare the silver-loaded antibacterial and antiviral material. Aggregation of small-particle-size Ag@Zr (HPO4) 2 powder can be prevented, and the silver-loaded antibacterial and antiviral material is applied to the coating, so that the novel antibacterial and antiviral multifunctional coating with excellent antibacterial and antiviral effects can be prepared.

The invention belongs to the technical field of materials, and particularly relates to antibacterial and antiviral slurry and a preparation method thereof, and an antibacterial and antiviral product. The antibacterial and antiviral slurry comprises antibacterial polypeptide, metal nanowires, a solvent and an auxiliary agent. The antibacterial and antiviral slurry provided by the invention simultaneously contains the components such as the metal nanowires, the antibacterial polypeptide and the auxiliary agent, has broad-spectrum sterilization and antibacterial effects, can kill germs in the environment in time, and has good antibacterial and sterilization effects. The antibacterial and antiviral slurry has an antibacterial rate of greater than 99% for escherichia coli, staphylococcus aureus and streptococcus albus, and has antiviral activity of greater than 99% to novel coronavirus and influenza A virus. The antibacterial and antiviral slurry is long in antibacterial and antiviral time efficiency, small in toxic and side effects and environment-friendly.

The invention discloses premixed meat meal for anti-oxidization feed. The premixed meat meal is prepared from the following raw materials in parts by weight: 20-30 parts of corns, 8-12 parts of wheat bran, 20-25 parts of soybean meal, 3-5 parts of rice bran, 3-5 parts of sorghum, 1-2 parts of wheat middling, 6-7 parts of soluble dry vinasse, 1-2 parts of calcium hydrogen phosphate, 1-1.5 parts of fish meal, 0.2-0.5 part of table salt, 1-2 parts of selenium malts, 0.1-0.3 part of DL-methionine, 0.7-1 part of lysine, 0.1-0.2 part of threonine, 20-30 parts of animal fat dreg, 10-15 parts of animal fat, 2-4 parts of vegetable oil, 0.05-0.1 part of a compound antioxidant and 0.2-0.3 part of a feed additive. The premixed meat meal has low cost, strong anti-oxidization capability and comprehensive nutrients.

The invention provides a traditional Chinese medicinal injection for treating duck plague and a preparation method thereof. The traditional Chinese medicinal injection is prepared from seven Chinese herbs, namely schisandra chinensis, calculus bovis, rhizoma polygonati, epimedium, acanthopanax, kiwi root and astragalus membranaceus, which achieve a detoxifying synergistic effect. The traditional Chinese medicinal injection has a strong antibacterial and antiviral effect, has a very therapeutic significant on the duck plague, has a curative rate up to 81%, takes effect fast, and is very suitable for control of characteristics of sudden disease occurrence, fast infection and the like of the duck plague; the duck plague is unlikely to relapse after being cured; the traditional Chinese medicinal injection is free of any toxic or side effect and safe to use.

The invention discloses a bamboo leaf extract for sterilization antibacterial type gargle and a preparation method of the bamboo leaf extract. The bamboo leaf extract for the sterilization antibacterial type gargle comprises the following components in parts by weight: 30-45 parts of a natural polyphenol compound, 15-25 parts of bamboo leaf flavonoid and 15-20 parts of bamboo leaf polysaccharide; the preparation method comprises the following steps: extracting the natural polyphenol compound by using ethyl acetate with ultrasonic waves, extracting the bamboo leaf polysaccharide with microwaves, extracting the bamboo leaf flavonoid by using absolute ethyl alcohol, combining the three components according to a prescription, and the like. Due to the bamboo leaf extracts, the bamboo leaf extract for the sterilization antibacterial type gargle, which is disclosed by the invention, is purely natural, applicable to gargle and detailed and complete in preparation mode, and has multiple complementary effective components.