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

Preparation method of chelate coating with copper ions capable of controllably catalyzing release of nitrogen monoxide and polyphenol complex

The invention discloses a preparation method of a chelate coating with copper ions capable of controllably catalyzing release nitrogen monoxide and a polyphenol complex. The preparation method comprises the following steps: soaking a target modified material or an instrument in a mixed aqueous solution consisting of soluble metal salt, soluble copper salt and a compound having an o-phenol structure; and depositing a layer of chelate coating with copper ions with a function of catalyzing nitrogen monoxide and the polyphenol complex on the surface. The chelate coating with the copper ions and the polyphenol complex, which is obtained by the preparation method disclosed by the invention, not only has excellent biocompatibility and bacterial resistance, but also has a function of inducing catalysis of endogenous nitrogen monoxide to release in a blood environment. In addition, the coating is nearly applicable to surface modification of materials of all textures, complex geometrical shapes and different topological structures.
Owner:GUANGZHOU NANCHUANG EVEREST MEDICAL TECH CO LTD

Silver-loaded low-molecular-weight chitosan composite microsphere antibacterial agent and preparation method thereof

The invention provides a silver-loaded low-molecular-weight chitosan composite microsphere antibacterial agent and a preparation method thereof. Low-molecular-weight chitosan is used as a raw material, and a low-molecular-weight chitosan acetic acid solution, a silver nitrate solution and a vanillic aldehyde ethanol solution are mixed to form composite sol; then paraffin is used as a continuous phase, sorbitan monooleate and alkylphenol ethoxylates are used as a compound emulsifier, a silver / low-molecular-weight chitosan sol is used as a monomer, and sodium tripolyphosphate is used as a cross-linking agent for preparing an emulsion system for emulsification crosslinking, and finally washing and drying are performed, so that the silver-loaded low-molecular-weight chitosan composite microsphere antibacterial agent is obtained. Due to the fact that the low-molecular-weight chitosan is used as the raw material, nanometer silver particles can enter microspheres, and the antibacterial activity of the composite antibacterial agent is obviously improved. The obtained antibacterial agent has the broad-spectrum bactericidal activity, and has the efficient fatality rate for both escherichia coli and staphylococcus aureus.
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY

Disinfectant special for inspection instrument in inspection department and preparation method of disinfectant

ActiveCN104026173AExtended broad-spectrum sterilizationBroad-spectrum bactericidalBiocideFungicidesSmoked PlumDisinfectant
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.
Owner:湖州纯一生物科技有限公司

Cow nipple disinfectant with film forming and nursing effect, and preparation method of same

InactiveCN102697803AStrong killing abilityLow in iodineOrganic active ingredientsCosmetic preparationsDisinfectantChemistry
The invention relates to a disinfectant and particularly relates to a cow nipple disinfectant. The cow nipple disinfectant with a film forming and nursing effect comprises the following components according to weight percent: 0.1 to 0.3 of iodine, 0.1 to 0.3 of potassium iodide, 0.05 to 0.2 of hibitane, 1 to 8 of film forming agents, 2 to 8 of nonionic surface-active agents, 0.5 to 3 of emollient and 1 to 10 of humectant, and the rest is water; and all the components are mixed to form the disinfectant. The cow nipple disinfectant has a stable property, is safe and non-irritant, has the characteristics of high sterilization rate and permanent bacteriostatic action, and can form a film on the surface of a cow nipple quickly to achieve the effects of moistening and protecting.
Owner:SHANGHAI LIKANG BIOLOGICAL HIGH TECH

Polypeptide bioactive coating and biomaterial as well as preparation method and application of biomaterial

The invention provides a polypeptide bioactive coating, which mainly comprises a plurality of polypeptide film layers and an active material layer, wherein two adjacent polypeptide film layers have different charges; two adjacent polypeptide films are combined through charge acting force; each polypeptide film is 3-10nm in thickness; a nano coating material of the polypeptide bioactive coating is polypeptide with good biocompatibility, not only meets the characteristics of being nontoxic, free of thrill, and free of carcinogenesis, teratogenesis and mutagenesis, but also has good bacteriostatic and antibacterial effects, has biological activity and is capable of promoting cell adhesion, growth and proliferation. The invention further provides a biomaterial, which comprises a base material and the bioactive coating loaded on the surface of the base material. The invention further provides a method for preparing the biomaterial. The invention further provides an application of the biomaterial in a surgical operation; and preferably, the surgical operation is an orthopedic operation.
Owner:HUBEI UNIV

Skin antibacterial foam without washing hands and preparation method thereof

The invention relates to a skin antibacterial foam without washing the hands and a preparation method thereof. The skin antibacterial foam without washing hands is prepared from, by weight, 0.01-2.0%of benzalkonium chloride, 0.01-1.0 % of polyhexamethylene guanidine, 0.05-1.0% of triethyl citrate, 0.05-2.0% of cocamidopropyl betaine, 0.01-2.0% of alkyl polyglycoside, 0.5-10.0% of humectant, and the balance water. The skin antibacterial foam without washing the hands is obvious in sterilization effect, can reduce the adhesive force of bacteria on the skin surface, and efficiently carries out sterilization and long-acting bacteriostasis; the skin antibacterial foam without washing the hands is nonirritating, good in moisture retention effect, not sticky, high in sense organ comfort, small in component variety, convenient to prepare, relatively low in cost, high in safety, free of toxic and side effect and convenient to use without washing, and can meet people's increasing demands on sanitary safety day by day.
Owner:SHANGHAI YAOJIAN BIO TECH

Environment-friendly sportswear fabric with high moisture absorption and sweat-releasing performance and preparation method thereof

The invention provides environment-friendly sportswear fabric with high moisture absorption and sweat-releasing performance and a preparation method thereof. According to the fabric, modified special-shaped polyester fiber, tencel fiber and Coolplus fiber are blended, wherein the three kinds of fiber have good moisture absorption and permeability; therefore the fabric after blending has good moisture absorption, permeability and crease resistance; the tencel fiber whose preparation process is environmentally friendly and which is degradable is adopted and therefore the fabric is environmentally friendly; antibacterial agent is adopted; the preparation method of the fabric is novel and environmentally friendly; a special modified polyester fiber processing method is adopted; the antisepticis attached to the surface of fiber and the application amount is substantially reduced. the antiseptic is firmly attached to the fabric during the preparation process of the fabric; the antiseptic effect is lasting; long-term antibiosis and stinking-proof are achieved.
Owner:DANYANG DANQI YUYUE TEXTILE

Anti-bacteria hand-washing solution

The invention discloses an anti-bacteria hand-washing solution. The hand-washing solution is prepared from 12-30% of anionic surfactant, 3-6% of dodecyl dimethyl amine oxide, 5-10% of non-ionic surfactant, 1-3% of camellia oil, 3-5% of propylene glycol, 0.1-0.5% of Caisson, 0.3-0.5% of essence, 1-3% of sodium chloride, and the balance of deionized water. The anti-bacteria hand-washing solution is reasonable in formula and simple in process, and has good effects of sterilization, skin protection and decontamination. Due to the adoption of the hand-washing solution for washing, the skin feels smooth, comfortable and fragrant and is free of dry sense.
Owner:阳紫威

Non-migration and degradable antimicrobial polyester film and preparation method thereof

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.
Owner:NMS TECH

Migration-free antibiotic polyolefin film and preparation method thereof

The invention discloses a migration-free antibiotic polyolefin film and a preparation method thereof, and belongs to the antibiotic field. The method comprises the steps of: mixing starch, high-molecular polymer sterilization disinfectant aqueous solution and glycerinum, stirring uniformly, and thereby obtaining a mixture, and then blending, fusing, extruding and pelleting the mixture, thus obtaining antibiotic thermoplastic starch particles; mixing polyolefin, thermoplastic starch particles and bulking agent, stirring uniformly, and then blending, fusing, extruding and pelleting, thus making into antibiotic polyolefin particles; making the obtained antibiotic polyolefin particles into migration-free antibiotic polyolefin film by using the film blowing technology. The migration-free antibiotic polyolefin film produced by the method provided by the invention has good antibiotic effect, in addition, the antibiotic constituents in the antibiotic film has good migration resistant performance.
Owner:NMS TECH

Beef fresh-keeping method

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.
Owner:广西山水牛畜牧业有限责任公司

Mouldproof and environmentally-friendly glass adhesive

InactiveCN103865442ALong-term antibacterial propertiesEliminate blackening or discolorationNon-macromolecular adhesive additivesMacromolecular adhesive additivesVolatile organic compoundChemistry
The invention discloses a mouldproof and environmentally-friendly glass adhesive and a preparation method thereof, and the formula is selected as follows: the mouldproof and environmentally-friendly glass adhesive comprises, by weight, 70-72 parts of polyacrylate emulsion, 10 parts of a marine biological sterilization agent, 0.2-5 parts of a coupling agent, 17 parts of silica sol and 0.1-1 part of ammonia water. According to the invention, the sterilization agent is creatively infused in the glass adhesive, so that the glass adhesive has long-acting antibacterial properties, and puts an end to blacking or discoloration phenomena caused by moulding, VOC (volatile organic compound) emission is zero, and the glass adhesive is in accordance with the green and environmentally-friendly requirements, has extremely-high adhesion and waterproof function, and can replace a traditional glass adhesive.
Owner:QINGDAO HIFUN MARINE BIOLOGICAL TECH

Preparation method of antibacterial silver-doped hydroxyapatite microspheres

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.
Owner:SHANDONG UNIV

Antibacterial, mildew-proof and flame-retardant silicate interior wall coating and preparation method thereof

The invention relates to the field of building coatings, in particular to an antibacterial, mildew-proof and flame-retardant silicate interior wall coating and a preparation method thereof. The antibacterial, mildew-proof and flame-retardant silicate interior wall coating is prepared from, by mass, 30-60 parts of slurry, 45-55 parts of filler, 20-65 parts of diluent A, 10-25 parts of diluent B and 1-3 parts of auxiliaries; the slurry is prepared from the following components in parts by mass: 2 to 6 parts of hydroxyethyl cellulose, 0.3 to 1 part of a wetting agent, 0.1 to 1 part of a dispersing agent, 0.1 to 0.8 part of a de-foaming agent and 0.1 to 0.5 part of other auxiliary agents; the filler comprises the following components in parts by mass: 10-30 parts of carrier nano silver, 5-15 parts of titanium dioxide, 5-10 parts of kaolin, 10-15 parts of talcum powder and 10-30 parts of heavy calcium carbonate; the auxiliaries comprise the following components in parts by mass: 2-10 parts of propylene glycol, 0.1-3 parts of a defoaming agent, 0.1-1 part of a rheological modification auxiliary and 0.1-0.6 part of a polyurethane thickening agent. The antibacterial, mildew-proof and flame-retardant silicate interior wall coating disclosed by the invention is excellent in antibacterial, mildew-proof and flame-retardant properties, green, environment-friendly and long in service life.
Owner:纽沃得复合建材(上海)有限公司

Plastic material, and preparation method and application thereof

The invention provides a plastic material, and a preparation method and an application thereof. The plastic material comprises a resin substrate, a dispersing agent, an antioxidant, an antibacterial agent and a fluorine-containing surface modifier. The fluorine-containing surface modifier and the antibacterial agent are simultaneously added into the plastic material provided by the invention, wherein the fluorine-containing surface modifier can effectively reduce the surface energy of the plastic material, so that dust, microorganisms and other dirty matters are difficult to attach to the surface of the plastic material, and meanwhile, the antibacterial agent can immediately restrain or kill the attached microorganisms and the antibacterial agent and the fluorine-containing surface modifier can synergistically achieve the anti-microbial, stain-resisting and easy cleaning effects.
Owner:WUHAN REFRIGERATION EQUIP OF MIDEA GROUP +1

Safe indoor formaldehyde trapping agent and preparation and use method thereof

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.
Owner:芜湖格丰环保科技研究院有限公司 +1

Mould-preventing, dirt-removing and softening care agent for leather

InactiveCN103045392ATo overcome the deficiencies in sterilization and anti-mildewNot corrosiveSurface-active detergent compositionsDetergent compounding agentsBiotechnologyGlycoside
The invention relates to the field of fine chemistry and in particular relates to a marine organism bacteria removing component-containing mould-preventing, dirt-removing and softening care agent for leather, which is used for the care of leather products. The care agent disclosed by the invention has the beneficial effects that the shortcomings of the prior art in the aspects of bacteria removing and mould preventing can be overcome; the novel marine organism bacteria removing technology is adopted to ensure that the care agent has no corrosiveness to leather, is safe and friendly to environment and has long-acting antibacterial property; and the adopted various raw materials are more friendly to environment and nonirritating and the production process is simple and has no dangerousness and toxicity. The care agent disclosed by the invention comprises the following components in percentage by weight: 6.0-8.0% of marine organism bacteria removing agent, 0.5-1.0% of alkyl glycoside, 8.0-12.0% of palm cation ester-based quaternary ammonium salt, 2.0-4.0% of glycerol and the balance of purified water.
Owner:QINGDAO HIFUN MARINE BIOLOGICAL TECH

Carpet bacterium-removing deodorant

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.
Owner:QINGDAO HIFUN MARINE BIOLOGICAL TECH

Anti-bacterial EVA plastic

The invention discloses an anti-bacterial EVA plastic. The anti-bacterial EVA plastic comprises the following components in parts by weight: 170-185 parts of EVA, 30-35 parts of calcium carbonate, 10-15 parts of copper-loaded zirconium phosphate, 10 parts of dicyandiamide, 10-16 parts of POE, 5-8 parts of magnesium salt whisker, 10-20 parts of jute fiber, 5-7 parts of epoxidized soybean oil, 10-15 parts of hard acid ester, 10 parts of chitosan-grafted methyl methacrylate and 10 parts of nano aluminium hydroxide. The anti-bacterial EVA plastic has a good anti-bacterial function; an obvious antibacterial function can be performed when a very small amount of anti-bacterial EVA plastic is used. The anti-bacterial EVA plastic does not decompose and react with other materials during the processing of high-temperature fusing forming and thermal forming. The anti-bacterial EVA plastic can be dispersed in a plastic product uniformly and easily, and is high in weatherability and durability, so that the plastic product has a long-term antibacterial property.
Owner:GUANGZHOU SANHUA PLASTIC

Antibacterial and disease-preventive female hygienic aid and preparation method thereof

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.
Owner:ZHUZHOU QIANJIN PHARMA

Light-activated antibacterial dressing and preparation method thereof

The invention provides a photo-activated antibacterial dressing and a preparation method thereof. The preparation method comprises the following steps: S1, etching MAX ceramic into MXene nanosheets; s2, an MXene / Ag3PO4 heterojunction is prepared, and the MXene / Ag3PO4 heterojunction is prepared; s3, modifying the MXene / Ag3PO4 heterojunction by using the polydopamine; and S4, dissolving the polycaprolactone particles and the polydopamine modified MXene / Ag3PO4 heterojunction, uniformly mixing, and forming a membrane, so as to obtain the nanofiber membrane. The wound dressing for treating infected wounds has the effects of quickly sterilizing in a short time, inhibiting bacteria for a long time and promoting wound healing.
Owner:SICHUAN UNIV

Sterilizing type medical ultrasonic coupling agent and preparation method thereof

The invention relates to a sterilizing type medical ultrasonic coupling agent and a preparation method thereof. The coupling agent contains the following active ingredients: polyhexamthylene guanidine-derivatives and chloramphenicol. A test proves that the coupling agent provided by the invention has the effects of transmitting sound, lubricating and preventing cross-infection, and the preparation method is simple and environment-friendly.
Owner:QINGDAO MINGYAOTANG MEDICAL TECH DEV

Soilless culture nutrient solution

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.
Owner:江苏东方绿洲环境建设有限公司

Long-term bacteriostatic flower cultivation substrate and preparation method thereof

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.
Owner:绩溪县徽安生态农业有限公司

Anti-infection tissue engineering skin scaffold and preparation method thereof

The invention discloses an anti-infection tissue engineering skin scaffold which is of an upper and lower double-layer structure, said layers are combined together through glutaraldehyde cross-linkingaction, and the scaffold has good mechanical strength. Nano-silver inside fibers in the upper epidermal scaffold polycaprolactone-polyethylene glycol-polycaprolactone / nano-silver / chitosan nano-yarn layer and chitosan on the surfaces of the fibers synergistically exert an antibacterial effect, and zinc acetate is uniformly distributed in fibroin / hyaluronic acid fibers of the lower dermal scaffold,so that bacterial aggregation can be inhibited, and an anti-infection effect is exerted; the lower layer is a nanofiber bundle woven scaffold, and the structure, the pore size and the porosity of thefiber bundle scaffold can be freely adjusted through weaving; the scaffold with orderly and regular arrangement of fiber bundles and the pore size average value close to the cell size can be prepared, cells can enter the scaffold, and directional growth of tissue is guided.
Owner:HENAN YADU IND

Antibacterial ink and preparation method thereof

The invention discloses antibacterial ink and a preparation method thereof, the antibacterial ink comprises the following raw materials in parts by weight: 1-5 parts of ink carbon black, 1-2 parts ofa wetting agent, 3-7 parts of a dispersing agent, 4-10 parts of bone glue powder, 320-540 parts of water and 0.3-0.5 part of a nano inorganic antibacterial agent, and the invention relates to the technical field of pigments. The invention discloses antibacterial ink and a preparation method thereof. The nano inorganic antibacterial agent is added; the antibacterial agent has the advantages that the safety is high; the ink has the advantages of good chemical stability, long-acting antibiosis, bacteriostasis, realization of efficient broad-spectrum killing and removal of Staphylococcus aureus, Escherichia coli and other bacteria, guaranteeing of no deterioration of ink products after long-term storage, no mildew of paintings after long-term storage, harmlessness to human bodies, no pollutionto the environment, simplicity and feasibility of the preparation method, and convenience in promotion.
Owner:河北青竹画材科技股份有限公司

A kind of migration-free and degradable antibacterial polyester film and preparation method thereof

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.
Owner:NMS TECH

Fully degradable non-woven material for medical treatment and public health

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.
Owner:HENAN YADU IND

Antibacterial skin-touch paint and preparation method thereof

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.
Owner:WANHUA CHEM GRP CO LTD

Safe nonhazardous liquid laundry detergent for infants

A safe and non-toxic laundry liquid for infants and young children belongs to the technical field of washing and chemical products. It comprises the following components prepared by weight: 20-30 parts of fatty alcohol polyoxyethylene ether carboxylate, 1-3 parts of castor oil, 15-20 parts of anionic surfactant, 0.01-0.05 parts of citric acid, 0.1-0.3 parts of guanidine salt fungicides, 0.5-1.5 parts of protease, 1-2 parts of amylase, 0.1-0.3 parts of enzyme stabilizer, 1-3 parts of coconut oil monoethanolamide, 4-7 parts of sodium chloride, 45-55 parts of ionized water. The invention has strong detergency, can quickly penetrate into the deep layers of fibers, remove stubborn dirt such as blood stains, milk stains, urine stains and oil stains; it has obvious inhibitory and killing effects on bacteria and fungi such as Staphylococcus aureus, Streptococcus, and Candida albicans. ; mild in nature, PH value 6‑8, neutral formula, no damage to clothing, no irritation to the skin, mild hand protection; the product is suitable for washing baby clothes, diapers, underwear and thermal underwear and other intimate clothing.
Owner:周国萍
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