73results about How to "Long-term antibacterial" patented technology

The invention discloses a disinfectant special for an inspection instrument in the inspection department and a preparation method of the disinfectant. The disinfectant is prepared mainly by the following steps of crushing pawpaw, fructus aurantii immaturus, schisandra chinensis, pericarpium citri reticulatae, smoked plum, chinese holly, pomegranate bark, exocarpium, eucalyptus robusta smith, dogwood, folium eriobotryae, selfheal, myrobalan, corn silk, ligusticum wallichii, glossy privet fruits and pericarpium citri reticulatae viride, soaking, heating and reflowing, wherein an auxiliary material is a filter liquor which is prepared by heating poinsettia, radix angelicae, hemp fimble stem-fibre, subprostrate sophora and fungus-infected rice spike with ethanol and extracting, wherein an additive of polyhexamethylene guanidine is added. The disinfectant is faintly acid, and the environmental acidity can be changed, so that most bacteria which grow best within a PH range of 6.0 to 8.0, have the strongest enzymatic activity and strongly grow and breed cannot exist, and the bacterial growth is effectively inhibited; the disinfectant is easily dissolved in water, and the disinfectant is easily washed out without residues after being used; the disinfectant has the advantages of being small in corrosivity, good in stability and simple in preparation process, can be widely applied to disinfecting the inspection instrument in the inspection department and is suitable for mass production.

The invention relates to the technical field of meat food processing, in particular to a beef fresh-keeping method. The method is characterized in that hot water is adopted for high-pressure flushing, a cactus herb extracting solution is adopted to treat, and finally, a method of spraying a tea polyphenol solution to perform fresh-keeping treatment on beef; the cactus herb extracting solution and tea polyphenol can be effectively combined to kill most of bacteria; moreover, long-acting bacteria inhibition can be kept, fat oxidation can be prevented, and freshness of beef is kept. The quality guarantee period of frozen and fresh beef is prolonged to about 90 days from current 45 days.

The invention discloses a preparation method of antibacterial silver-doped hydroxyapatite microspheres. The method utilizes shells as a main raw material and a hydrothermal synthesis technique combined with a chelation templating agent to prepare the antibacterial silver-doped hydroxyapatite microspheres. The preparation method provided by the invention is simple, has wide sources of raw materialsand low costs, and is easy to promote; and each obtained microsphere has a good spherical structure, a size of 10 [mu]m, good antibacterial property and a long-lasting bacteriostatic effect, and is expected to be an effective filling restoration material for bones and teeth.

The invention discloses a safe indoor formaldehyde trapping agent and a preparation and use method thereof. The safe indoor formaldehyde trapping agent comprises, by weight, 100 parts of deionized water, 2-5 parts of formaldehyde condensating agent, 0.05-0.5 part of photocatalyst, 0.5-2 parts of condensation catalyst, 0.05-3 parts of leveling agent and 0.05-0.2 part of antibacterial agent. Compared with the prior art, the formaldehyde trapping agent is prepared from food-grade safe raw materials which only need to be mixed according to the formula ratio, and the process is simple; after beingprepared, the formaldehyde trapping agent is colorless, odorless and free of secondary pollution and is more suitable for indoor formaldehyde treatment, and after being sprayed, the formaldehyde trapping agent causes no corrosion to the surfaces of appliances, has high formaldehyde trapping and removing efficiency and can effectively suppress formaldehyde release and quickly eliminate formaldehydepollution of air. The formaldehyde trapping agent can be directly sprayed to the surfaces of formaldehyde release sources such as furniture, sofas, curtains and carpets to suppress formaldehyde release and can also be directly sprayed to formaldehyde-polluted air, used in combination with cold-volatilization air humidifiers, added into indoor water curtain landscape water and the like to quicklyreduce the concentration of free formaldehyde in air.

The invention relates to carpet deodorant and a preparation method thereof. The carpet deodorant is mainly used for removing bacteria and odor of various carpets. The carpet deodorant has the following advantages that effects of removing the bacteria and preventing bacteria are obvious, various odors caused by bacteria on the carpets can be effectively removed, the long-acting antibacterial activity is realized, the carpets are not required to be washed after the carpet deodorant is used, carpet fabric fiber is not influenced, and the carpet deodorant does not corrode or irritate skin and does not have residue on the skin. The carpet deodorant comprises the following selected formula (components in percentage by weight) 3 to 6 percent of carboxymethyl chitosan, 6 to 10 percent of algal polysaccharides, 10 to 16 percent of marine organism lysozyme, and the balance of pure water to 100 percent.

The invention relates to an antibacterial and disease-preventive female hygienic aid which comprises a base fabric adsorbed with antibacterial and disease-preventive medicinal liquor, wherein the medicinal liquor comprises the following active ingredients in parts by weight: 30-60 parts of swordlike atractylodes rhizome extract, 10-20 parts of eucalyptus extract, 10-20 parts of mentha piperita leaf extract, 20-40 parts of rhizoma chuanxiong extract and 20-40 parts of cortex phellodendri extract. The invention further provides a preparation method of the female hygienic aid. The female hygienicaid disclosed by the invention has obvious antibacterial and disease-preventive effects, and after stored for a long time, the product is excellent in antibacterial stability and has excellent marketpopularization value.

The invention belongs to the field of gardening, and in particular relates to a soilless culture nutrient solution. The nutrient solution is prepared from the following components: 680-1200mg / L of calcium nitrate, 520-885mg / L of potassium nitrate, 460-780mg / L of ferrous nitrate, 255-400mg / L of magnesium sulfate, 100-150mg / L of a disinfectant, 9-14mg / L of a plant hormone and 300-700mL / L of hydrogen peroxide, wherein the solvent is water; the disinfectant can prevent plants from being infected by viruses and bacteria and producing disease; the hydrogen peroxide can decompose into oxygen and water to improve the oxygen content in the nutrient solution and provide essential oxygen for breathing of the plants; and the low-concentration plant hormone can promote the plant growth. The soilless culture nutrient solution has the effects of promoting quick growth of plants, effectively shortening the growth period of the plants and preventing the plants from being invaded by viruses and bacteria.

The invention discloses a long-term bacteriostatic flower cultivation substrate, which comprises the following components by mass: 20-30 parts of asparagus waste, 13-16 parts of asparagus straw, 10-13parts of vinasse, 10-16 parts of organic fermentation liquid, 4-9 parts of coconut bran, 5-10 parts of edible fungus residue, 3-9 parts of garlic straw, 3-6 parts of bone meal, 2-4 parts of urea, 3-7parts of pine bark, 2-4 parts of pine needle powder, 6-9 parts of mulberry branch powder, 4-8 parts of mulberry leaf humus, 3-6 parts of probiotics, 1-4 parts of pH regulator, 2-5 parts of plant nutrient, 3-7 parts of silver-loaded zeolite, 3-5 parts of pyrethrum, 2-6 parts of Rangoon creeper fruit, 7-12 parts of nanodiatomite, 3-6 parts of carbon nanotubes, 0.02-0.03 parts of trace elements and3-5 parts of water-retaining agent. By adding silver-loaded zeolite, garlic straw, pyrethrum and Rangoon creeper fruit to the formula, the functions of long-term bacteriostasis and insect control areachieved, and the pests and diseases of in the growth process of flowers are reduced.

The invention discloses a non-migration and degradable antimicrobial polyester film and a preparation method thereof, and belongs to the field of antibiosis. The method comprises the following steps: mixing and uniformly stirring starch, a high-molecular polymer sterilization disinfectant aqueous solution and glycerine to obtain a mixture; performing kneading, melting, extruding and granulating on the mixture to obtain antimicrobial thermoplastic starch particles; then, mixing and uniformly stirring PBAT (poly(butyleneadipate-co-terephthalate)),the antimicrobial thermoplastic starch particles and a coupling agent, and then performing kneading, melting, extruding and granulating to prepare antimicrobial polyester particles; finally, preparing the degradable and non-migration antimicrobial polyester film by the antimicrobial polyester particles by adopting a film blowing process. The non-migration and degradable antimicrobial polyester film prepared by the method disclosed by the invention has a better antimicrobial effect and a good degradation effect; in addition, antimicrobial components in the antimicrobial film have excellent migration resistance.

The invention discloses a fully degradable non-woven material for medical treatment and public health. The non-woven material is composed of polylactic acid modified by polyvinyl alcohol grafting, polybutylene succinate, modified lignin, dopamine and nano silver. A dopamine active layer is obtained through self-assembly on the surface of a polybutylene succinate electrospun fiber web, then the reduction and fixation of the nano silver are achieved through one-step immersion, and then a modified polylactic acid melt is spun into a web and combined with the electrospun fiber web through hot rolling, so that the non-woven fabric has excellent mechanical properties while full degradation is ensured. The provided fully degradable non-woven material for the medical treatment and public health has excellent mechanical properties, good water absorption and water retention performance, a high sterilization speed, a long-lasting bacteriostatic function, a short degradation cycle, a high decomposition rate, and better application prospects in the field of medical treatment and public health.

The invention relates to an antibacterial skin-touch paint and a preparation method thereof, the antibacterial skin-touch paint comprises a component A and a component B. The component A comprises 30-45 wt% of a water-based emulsion a, 15-25 wt% of a water-based emulsion b, 15-19 wt% of a magnesium oxide microsphere loaded silver-acrylic resin composite material, 1-4 wt% of a coalescing agent, 0.9-3.5 wt% of a water-based auxiliary agent, 1-4 wt% of water-based color paste and 10-35 wt% of deionized water. The component B is a water-based curing agent and comprises 60-80 wt% of the water-based curing agent and 20-40 wt% of a diluting solvent. According to the present invention, the new antibacterial furniture paint formula can be provided, such that the paint film is safe and non-toxic, and has the rapid sterilization function, and the antibacterial substance in the paint film can still have the long-acting antibacterial property after the paint film is repeatedly wiped. The surface of the paint film is fine and smooth, and the soft and non-sticky skin-friendly feeling is achieved. The color is stable, and the paint film does not obviously turn yellow after long-time use.