57results about How to "Long-lasting bactericidal effect" patented technology

Apparatus and methods are provided for producing electrolytic water using three chambers, rigid plates and ion exchange membranes. Benefits include reduced scale production and increased long-term bactericidal effects of the water produced.

The invention discloses a stink and odor removal liquid with sterilizing plants, and a preparation method and an application thereof. The stink and odor removal liquid includes, by weight, 0.05-7% of a phenol bactericide, 2-50% of a plant extract, 2-10% of plant essential oil, 1-20% of an emulsifier, 2-20% of a solubilizer, and 10-90% of deionized water. The stink and odor removal liquid, when removes stink and odor, can kill harmful bacteria, such as escherichia coli, staphylococcus aureus and candida albicans, which generate the stink and odor, so that the stink and odor are removed from the source. The stink and odor removal liquid is mainly used in resident living environment and industrial production environment such as family, hospital, livestock farms, chemical engineering plants, garbage transfer station, kitchen wastes and the like. The preparation method of the stink and odor removal liquid includes the steps of uniformly stirring the components to obtain a mixture liquid and adding the deionized water to the mixture liquid with stirring for 10-30 min. The preparation method is simple and only needs simple stirring, employs simple equipment and saves production cost.

The invention relates to a water-insoluble quaternary ammonium salt bactericide and the preparation method thereof. The germicide is prepared by adopting silica gel inorganic material as a carrier and grafting amino-quaternary ammonium salt or quaternary ammonium-quaternary ammonium salt functional groups on the surface. The water-insoluble quaternary ammonium salt bactericide has excellent antibacterial activity, and has the advantages that the bactericide has a persistent effect of quaternary ammonium salt antibacterial polymer and also has a high-efficiency, quick and broad-spectrum antibacterial effect; the raw material is widely accessible; the cost is low; the synthetic process is simple. The bactericide is water-insoluble, and can be activated, regenerated and reutilized after the antibacterial rate is reduced, and is widely applicable to the sterilization of the fluid media such as various industrial and domestic waters, etc. and the preparation of antibacterial materials.

An antibacterial glaze material comprises a nano zirconium phosphate silver-loaded antibacterial agent, nano titanium dioxide, zinc oxide, copper oxide, Jiushan local glaze stone, quartz, talcum, copper ores and calcite. The antibacterial glaze material has the advantages that the nano zirconium phosphate silver-loaded antibacterial agent and the nano titanium dioxide are added into the glaze material, so that the glaze material has good antibacterial property, is non-toxic and pollution-free, and is suitable for the glaze formula of Jun porcelain kitchenware such as plates and bowls; the glaze material is good in fluidity, less prone to blistering and good in glossiness, and Jun porcelain glaze prepared by the glaze material is stable and uniform in color.

The invention relates to a nano silver / polyaniline compound antibacterial agent and a preparation method thereof and adopts a rapid mixing method to synthesize the nano silver / polyaniline compound antibacterial agent by one step. Polyaniline exists in the form of nano fiber, the diameter of which ranges between 50-200nm and the silver exists in a spherical structure with the diameter being 20-200nm. The compound antibacterial agent has excellent bactericidal effect on saccharomycetes, colibacillus, staphylococcus aureus and other various different strains, wherein the components of the polyaniline and silver present conspicuous coordinative antibacterial action. The antibacterial agent has low raw material cost, simple preparation process, good thermal stability and uniform distribution ofnano silver particles, overcomes the defect that a large quantity of chemical stabilizer, reducing agent and other harmful ingredients are added during the preparation process of amounts of nano silver antibacterial agent in the existing market, and meanwhile, has excellent biocompatibility, does no toxicity and harm to the human body and is easy for industrialization and high in economic and social values.

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.

The invention discloses a controllable slow-release disinfection, sterilization and purification material, and belongs to the technical field of indoor air purification. The controllable slow-releasedisinfection, sterilization and purification material includes an inorganic porous carrier material loaded with chlorite and an inorganic porous carrier material loaded with an acidic compound, the loading capacity of the inorganic porous carrier material loaded with the chlorite is 5-15%, and the loading capacity of the inorganic porous carrier material loaded with the acidic compound is 15-25%.Through the interaction of the inorganic porous carrier material loaded with the chlorite and the inorganic porous carrier material loaded with the acidic compound, under the condition of moisture inair, the two materials control the reaction rate relying on long-term slow penetration through the contact, the purpose of slowly releasing chlorine dioxide is achieved, the persistent sterilization and disinfection action is achieved, meanwhile, common odor and formaldehyde in the air indoor are removed, and thus the effect of air purification is improved.

The invention discloses antibacterial and mildew-proof high-temperature vulcanized silicone rubber and a preparation method thereof. The antibacterial and mildew-proof high-temperature vulcanized silicone rubber is prepared by mixing raw materials such as methyl vinyl polysiloxane, fumed silica, a silver-loaded antibacterial agent, a guanidine salt antibacterial agent, a silane coupling agent, a structured control agent and a release agent through a kneading machine. The antibacterial mould-proof high-temperature vulcanized silicone rubber has good physical and mechanical properties and processability, meets various characteristics of traditional high-temperature vulcanized silicone rubber, has good killing and inhibiting effects on fungi, bacteria, mould and enzyme bacteria, is long in lasting time, good in broad spectrum, safe and environment-friendly, does not generate drug resistance, and has a wider application range.

The invention relates to a manufacturing method for an environment-friendly antiseptic polyvinyl chloride light-type conveyer belt, and an antiseptic coating material. The manufacturing method comprises the steps of: drying the antiseptic fabric by a far infrared heating drying oven and tentering and sizing; on the antiseptic fabric, carrying out first coat by using the polyvinyl chloride resin as the primer and then heating and plastifying by the far infrared heating drying oven; coating the antiseptic PVC coating material on the priming coat and then heating and plastifyinh by the far infrared heating drying oven to form an antiseptic PVC coating surface layer; and sending the conveyer belt with the antiseptic PVC coating surface layer to the far infrared heating drying oven again for embossing to obtain the environment-friendly antiseptic polyvinyl chloride light-type conveyer belt. The antiseptic coating material related by the invention has the advantages that: the antibacterial agent belongs to broad-spectrum antibacterial agents, has durable sterilization and bacteriostatic effects, and is harmless for the human body and has high chemical stability and heat stability; the additive amount of the antibacterial agent is small, and the antibacterial agent is well compatible with the polyvinyl chloride paste and does not influence the processing performance and mechanical property of the conveyer belt; and the antiseptic coating material fully meets the America FDA (Food And Drug Administration) food hygienic standard and European REACH (Registration, Evaluation and Authorization of Chemicals) laws, has good antiseptic effect and is durable.

The invention relates to composite three-layer net cloth and a manufacturing method thereof. The composite three-layer net cloth consists of a surface layer, a bottom layer and a support layer, wherein the support layer is connected between the surface layer and the bottom layer, and the bottom layer and the polyester single-yarn support layer are weaved into a three-dimensional three-layer net cloth in a warp weaving way. The composite three-layer net cloth has the advantage that as the net cloth contains negative ion fiber, the main functions of negative ions are as follows: the lasting negative ion transmitting function is realized, so the air quality of the surrounding environment is adjusted; the biological wave transmitting function is stronger, so the blood circulation is promoted, the human body immune cells are activated, and the aging and premature senility of the human body are prevented; the lasting anti-bacteria and bacteria-killing functions are realized, so the bacteria with harmful effects on the human body can be killed, and the injury to the human body is avoided; the deodorizing property is excellent, so the foreign odor is removed, and a good living space is maintained; multiple trace elements required by the human body can be released, so the health of human body is favorably kept; the interface activity action is excellent, so the usage amount of a detergent is saved, and the environment is favorably purified; the requirements of concepts of health and environment protection are favorably met.

The invention discloses nano titanium dioxide suspension. By optimization of selection and proportion of raw material components, a visible light absorption wavelength range is effectively expanded, efficient negative ion dissociation capability is achieved after surface coating formation, and accordingly better air purification and bactericidal efficacies can be achieved. By introduction of nano graphene oxide excellent in thermal conductivity and electricity conductivity into the raw material components, the suspension has excellent anti-adhesion and antistatic performances after solidification. The nano titanium dioxide suspension is high in stability, and a preparation method is simple, high in operability and beneficial to industrial large-scale production. The invention further discloses anti-adhesion self-cleaning artificial board decorative paper. The surface of the anti-adhesion self-cleaning artificial board decorative paper is coated with a nano titanium dioxide photocatalyst coating, an efficient negative ion release performance is achieved, and a preparation method of the decorative paper has advantages of simplicity, high efficiency, environmental friendliness and the like. Laminated artificial decorative boards meet requirements of JC / T2110-2012 Indoor Air Ion Concentration Test Method.

The invention discloses a preparation method for a biological source-based air purifying and filtering screen. The preparation method comprises the steps of baking, blending, stirring, melting extrusion, cooling, drawing and setting of materials; powder prepared from Chinese herbal medicines including solidago decurrens, lotus leaves, syzygium aromaticum and illicium verum, with high sterilizing power and wide antibiotic spectrum, is added in the blending link, so that the filter screen produced by weaving monofilaments has better purifying and sterilizing effects after being proved by severe tests.

The invention belongs to the technical field of chemical engineering, and relates to a preparation method of a sterilization finishing agent, in particular to a water-based sterilization finishing agent based on modified nano silver and a preparation method and application thereof. The preparation method of the water-based sterilization finishing agent based on the modifed nano silver includes thesteps of weighing components, wherein the components are composed of, by weight, 0.00001-5% of modified nano silver, 20-80% of water-based urethane acrylate, 0.05-5% of photoinitiator and 10-79.95% of water; evenly blending water-based urethane acrylate, modified nano silver, photoinitiator and the water. The water-based sterilization finishing agent based on the modified nano silver can be driedat low temperature on the surface of a substrate and formed into a membrane under UV radiation. The formed membrane has great elasticity and hand feeling, and the nano silver can evenly and stably exist in the membrane and has a sterilization function for a long time.

The invention discloses disinfection and deodorization spray-washing liquid with a good cleaning and refreshing property and capable of being used for gas-state, solid-state and liquid-state environments. The disinfection and deodorization spray-washing liquid is prepared from: a, one or more of main fungicides: C12 to C18 chain cationic surfactant, C12 to C16 chain amphoteric surfactant, elemental iodine, glutaraldehyde, dichlorocyanuric acid or sodium salt thereof, 3 percent to 30 percent hydrogen peroxide and 2,4-dichlorphenoxyacetic acid; b, an atomizing agent and an enhancing agent: isopropyl alcohol and ethanol; c, a water quality treatment agent and an acid-alkali treatment agent: EDTA (Ethylene Diamine Tetraacetic Acid) or sodium salt thereof, citric acid, lactic acid, tartaric acid, fumaric acid, malic acid, phosphorous acid and ethanolamine; d, an active enhancing agent or a colloid penetrating agent: a nonionic surfactant or a compound thereof; e, a deodorization agent and a synergist: ethylene glycol, propylene glycol, glycerol, 8 percent polyvinyl alcohol, modified starch and cellulose; f, water. The disinfection and deodorization spray-washing liquid has good disinfection and deodorization comprehensive performances and has a wide application prospect.

The invention discloses a nano polyaniline / ZnO composite antibacterial agent and a preparation method of the nano polyaniline / ZnO composite antibacterial agent. According to the invention, the quick mixing method to synthesize precursor polyaniline / Zn(OH)2 by one step is used, the precursor is dried and then the polyaniline / ZnO composite antibacterial agent is obtained; the polyaniline exists in a nano-fiber manner; zinc oxide exists in a spherical structure with diameter of 20-200nm; the nano polyaniline / ZnO composite antibacterial agent provided by the invention has excellent bactericidal action for different strains such as escherichia coli, staphylococcus aureus and bacillus subtilis. The composite antibacterial agent is low in material cost, simple in preparation and good in thermal stability; the nano ZnO particle has uniform distribution and large specific surface area; the problem that the harmful components such as surfactant, stabilizer and so on are added during the preparation process of the nano ZnO antibacterial agents on the market can be overcome; the antibacterial agent has excellent biocompatibility, has no toxicity and harmfulness for body, is easy to commercially produce and has high economic and social value.

The invention relates to the technical field of coatings and particularly discloses a diatom ooze coating. The diatom ooze coating comprises the following raw material components in percentage by weight: 40-50% of diatomite, 20-30% of quartz powder, 10-20% of heavy calcium carbonate, 0.4-0.6% of cellulose ether, 0.5-0.8% of defoaming agents, 2-6% of adhesive powder, 1-3% of functional fillers and 0.5-1% of wood fiber. The raw material components are mixed to prepare the diatom ooze coating. The diatom ooze coating has high adhesion strength, high surface strength, scrubbing resistance, lasting bactericidal capability and lasting pollutant degradation capability, is easy to construct, and can meet various construction decoration effects.

The invention discloses a pipeline sterilization and deodorization cleaning agent and a preparation method thereof and relates to the technical field of cleaning agents. The cleaning agent is preparedfrom, by weight, 3-5% of sodium hypochlorite, 0.5-1.0% of sodium hydroxide, 0.5-1.5% of sodium lauroyl sarcosinate, 5-15% of amine oxide, 0.005-0.01% of EDTA, 5-10% of sodium silicate, 0.1-0.5% of sodium bicarbonate, 0.1-0.5% of sodium chloride and the balance deionized water. According to the cleaning agent, the effective components of sodium hypochlorite are easily preserved, and the content ofsodium hypochlorite in the cleaning agent is increased; the cleaning agent has the advantages of high viscosity and good cleaning effect.

The invention belongs to the technical field of design, research and development of veterinary health preparations, and particularly discloses a formula of a cow hoof bath lotion. The formula comprises the following components in parts by weight: 1.5-25 parts of a bactericide, 0.5-30 parts of polyvinylpyrrolidone, 0.5-15 parts of polyethylene glycol, and 60-90 parts of deionized water. The preparation method comprises: mixing polyvinylpyrrolidone, polyethylene glycol and water, stirring slowly and uniformly for 5-20 minutes, then adding the bactericide, and carrying out stirring for 10-20 minutes to obtain cow hoof bath lotion. A use method comprises using the bath lotion according to a dosage ratio of the bath lotion to water of (10-100):(0-90). The cow hoof bath lotion does not contain heavy metal ions, glutaraldehyde and the like, is easy to degrade, can avoid irritation and carcinogenicity to human beings and animals, and can also avoid continuous damages of broad-spectrum and long-acting bactericides to environmental micro-ecology.

The invention belongs to the technical field of modified polypropylene plastic and in particular relates to novel modified polypropylene plastic and a preparation method thereof. The polypropylene plastic is prepared from the following components in parts by weight: 100 to 150 parts of polypropylene, 10 to 20 parts of lignin, 5 to 10 parts of a compound antibacterial agent, 3 to 8 parts of a flame retardant, 5 to 10 parts of an antistatic agent, 3 to 8 parts of a dispersant and 3 to 8 parts of a cross-linking agent. The compound antibacterial agent is prepared through stirring and mixing bacterial cellulose subjected to plasma treatment, chitosan, quaternary phosphonium salt and calcium chloride. The novel modified polypropylene plastic provided by the invention has good thermal stability and mechanical properties and also has good antibacterial, antistatic, flame-retarding effects and the like; comprehensive performance of the novel modified polypropylene plastic is better than that of the existing common polypropylene plastic.

The invention provides a chlorhexidine gluconate ethanol disinfection solution and a production method as well as a disinfection cotton swab and a disinfection cotton piece. The chlorhexidine gluconate ethanol disinfection solution is composed of the following components in percentage by volume: 1.8%-2.2% of chlorhexidine gluconate, 63%-77% of ethanol and the balance being de-ionized water. According to the chlorhexidine gluconate ethanol disinfection solution, the disinfection solution is prepared by mixing the chlorhexidine gluconate and the ethanol according to specific volume percents; compared with an ethanol solution, the chlorhexidine gluconate ethanol disinfection solution has a rapid and lasting sterilization effect. Various conditions of no pollution, no irritation, high efficiency, no toxin, friendly taste, wide application, convenience for transportation and the like are met. The chlorhexidine gluconate ethanol disinfection cotton swab or cotton piece is soaked in the chlorhexidine gluconate ethanol disinfection solution with the specific components and can achieve the rapid and lasting sterilization effect.

The invention discloses a traditional Chinese medicine disinfection solution. The effective components for preparing the disinfection solution comprise the following raw materials: the root of Chinese pulsatilla, dahurian patrinia herb, herba andrographitis, narcissus, uniflower swisscentaury root, centella, matthiola incana, cortex kadsurae radicis, celandine, the root of ploygonatum cirrhifolium, purslane, myrsinaceae embelia laeta, herb of oneflower lycianthes, fructus cnidii, cortex dictamni, fructus kochiae, campsis grandiflora, peganum harmala, dark plum, liquorice, aloe, radix dipsaci, flos rosae rugosae and hyaluronic acid. The traditional Chinese medicine disinfection solution has the functions of clearing heat and removing toxicity, killing insects and bacteria, dispelling wind and arresting itching, and is excellent in effects of sterilizing and disinfecting, acting for a long time and nourishing skin; all the traditional Chinese medicines of the traditional Chinese medicine disinfection solution coordinate with one another; the traditional Chinese medicine disinfection solution has less impact on body and is safe to apply.

The invention discloses a preparation method for an antibacterial peptide-containing dental implant of a bioactive surface, and particularly relates to a tooth implant with different numbers of coatings. By virtue of electrostatic attraction between cations and anions, molecular coatings which are orderly arranged are formed on the surface of an implant solid, because a chitosan and AMP complex layer is a biological material with good biodegradability and biological compatibility. Due to the existence of a surface chondroitin sulfate layer-antibacterial peptide layer composite layer structure, the prepared antibacterial peptide-containing dental implant has lasting and high-efficient sterilizing and anti-infection capacity, the antibacterial and anti-apoptosis activity can support the adhesion, survival, growth and differentiation of various cells (such as osteoblast and chondrocyte), and the application prospect is wide.

The invention relates to efficient long-lasting antibacterial waterborne top coating free of an additionally added external antibacterial agent. The basic formula of the top coating includes, by weight, 50.0-65.0 parts of special polyurethane modified acrylic waterborne resin, 12.0-22.0 parts of waterborne acrylic resin, 0-16.0 parts of nanometer aqueous color paste, 3.0-5.0 parts of a film forming auxiliary agent, 0.2-0.6 part of a leveling agent, 0.1-0.8 part of a wetting agent, 0.2-0.6 part of a defoamer, 0.3-1.5 parts of a thickening and anti-settling agent, 0.2-0.8 part of a multifunctional auxiliary agent and 10.0-25.0 parts of distilled water. The top coating combines the characteristics of the polyurethane resin, the acrylic resin and a Schiff base structure; a Schiff base antibacterial group is fixed to the polyurethane modified acrylic waterborne resin by chemical bonding; and the polyurethane modified acrylic waterborne resin contains the Schiff base structure so that no external antibacterial agent is needed when the when polyurethane modified acrylic waterborne resin is used as a film forming substance of antibacterial coating. In addition, the waterborne acrylic resinis added so that coating film has good fullness and a high-efficiency long-lasting antibacterial property.

The invention provides a vibrio alginolyticus bacteriophage, a bacteriophage composition and an application of the vibrio alginolyticus bacteriophage and the bacteriophage composition and belongs to the technical of microbial control. Two new strains of the vibrio alginolyticus bacteriophage are obtained by screening, and the new strains have strong host specificity and strong cracking and killingeffect on vibrio alginolyticus; meanwhile, the mixed use of the new strains can effectively prevent the vibrio alginolyticus from producing resistant mutation, so as to achieve the ideal pathogen removal effect, and the important application value in the prevention and control of vibrio alginolyticus infectious diseases in marine aquaculture animals is achieved.

The invention discloses high-efficiency enhancing night-benefiting toothpaste with functional active ingredients added and a preparation method. The high-efficiency enhancing night-benefiting toothpaste is prepared from light calcium carbonate, decolorized animal bone meal, xylitol, glycerinum, polyethylene glycol-400, negative ionized hydrated silica nanometer powder, 2-acyl-oxygen-based bond sodium sulfonate, greening spermaceti wax, grapefruit compound green tea extracts, bacterium removing agent, cellulose gum, carboxymethyl cellulose sodium, vitamin C, tetrasodium pyrophosphate, screwtree root extracts, honeysuckle extracts, holly leaf extracts, liriope spicata extracts, chitosan-modified organic acid salt with molecular weight of 0.3-0.5 million D and other raw materials. Chitosan friction agent with molecular weight of 0.3-0.5 million D and adsorption carriers of plant nanometer small molecules are added to the toothpaste, the damage of the toothpaste to teeth and oral cavity soft tissue is avoided, plant nanometer small molecules are dispersed, and the toothpaste has wider and more durable bacterial restraining and killing effects, can effectively conduct oral cavity nursing and has an effect on highly efficiently enhancing oral cavity nursing at night.

The invention relates to an environment-friendly antibacterial polymer emulsion building waterproof coating and a preparation method thereof. The coating comprises the following components in parts by weight: 350-450 parts of an ethylene-polyvinyl acetate emulsion, 16-33 parts of a bactericide, 350-550 parts of a filler, 20-40 parts of a plasticizer, 3-6 parts of a dispersant, 3-6 parts of a defoaming agent and 80-110 parts of deionized water. Through the design of the environment-friendly antibacterial polymer emulsion building waterproof coating and the preparation method thereof, the technical problems that in the prior art, an existing polymer emulsion waterproof coating is poor in sterilization system matching performance, poor in antibacterial stability and not lasting in antibacterial effect are solved.

The present invention disclosed a nano -polyiline / ZnO composite antibacterial agent and its preparation method. The invention adopts a fast mixed method to synthesize the precursor polyiline / Zn (OH) 2, and then dry the polyiline / ZNO composite antibacterial agent;Ailine exists in the form of nano -fiber, and zinc oxide exists in a ball -shaped structure with a diameter of 20 ~ 200nm; the nano -polyiline / ZnO composite antibacterial agent provided by the present invention pairs of E. coli, Staphylococcus aureus, Bacillus, etc.They all have excellent sterilization effects.The cost of raw materials for this composite antibacterial agent is low, simple preparation, and good thermal stability. The nano ZNO particles are evenly distributed and larger than the surface area.The disadvantages, at the same time, have excellent biocompatibility, are non -toxic, harmless to the human body, are easy to industrialized, and have high economic and social value.