273results about How to "Fast sterilization" patented technology

The invention provides a novel bactericide, which consists of tourmaline, transition metal and/or oxide thereof, and a carrier. The tourmaline is powder of (Na, Ca) (Mg, Fe)3B3Al6Si6(O, OH, F)31, and accounts for 5 to 80 percent by weight of the bactericide; the transition metal and/or the oxide thereof by the weight of the metal elements account for 0.1 to 50 percent of the weight of the bactericide; and the carrier is one or a mixture of titanium dioxide, silicon dioxide, aluminum oxide, zeolite, zinc oxide, ferric oxide, zirconium dioxide, sepiolite, porous ceramics and active carbon. The bactericide does not need to add a power supply or a light source but can kill microbes such as bacteria, virus and mildew in the air, has the characteristics of small resistance, high sterilization speed and no pollution, and can be widely applied to air sterilization for an air purifier, an air conditioner and a concentrated air-conditioning ventilation system.

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 provides a ternary complex sterilizing method and device, and belongs to the field of medical sterilization equipment. The ternary complex sterilizing method and device provided by the invention provides a vacuum pulse ozone sterilization manner, a hydrogen peroxide low-temperature plasma sterilization manner and a vacuum pulse vapor sterilization manner; and an operator can choose one or more manners for sterilizing according to an object to be sterilized. The ternary complex sterilizing device comprises a sterilization chamber (15), an ozone preparation and transmission pipeline, an emptying pipeline, a vacuum pipeline, an injection pipeline, a vapor pipeline and a drying pipeline, wherein the ozone preparation and transmission pipeline, the emptying pipeline, the vacuum pipeline, the injection pipeline, the vapor pipeline and the drying pipeline are mounted at the periphery of the sterilization chamber (15) in a connected manner. The ternary complex sterilizing method and device provided by the invention can provide the three different sterilization manners in work and use intelligent control in an entire sterilization process, and can be used by randomly selecting one or more manners in a combined manner, so that the ternary complex sterilizing method and device is specific and has wide application range in a sterilization process.

The invention discloses a green mud crab antibacterial peptide Sphistin and application thereof, relates to the technical field of genetic engineering of crustaceans, and provides the green mud crab antibacterial peptide Sphistin and the application thereof. A molecular formula of the green mud crab antibacterial peptide Sphistin is C170H293N61O46S1 and molecular weight of the green mud crab antibacterial peptide Sphistin is 3,959.61 Dalton. The antibacterial peptide Sphistin consists of 38 amino acids, is derived from a part of sequences at end N of green mud crab histone 2A protein and is apolypeptide with an antibacterial function. By adopting the conventional solid-phase chemical synthesis method, the green mud crab antibacterial peptide Sphistin with purity of over 95 percent can beobtained. The green mud crab antibacterial peptide Sphistin has an obvious antibacterial effect on various gram negative bacteria and gram positive bacteria, has a broad antibacterial spectrum and high sterilization rate, shows extremely high medical value and is excellently applied to preparing antibacterial agents.

Disclosed is a preparation method of antibacterial modification type soft polyurethane foam. The antibacterial modification type soft polyurethane foam is prepared from, by weight, 25-40% of polyisocyanate, 50-70% of polyether polyol, 0.01-5% of antibacterial agent and 2-10% of other auxiliaries including a catalyst, a foaming agent, a surfactant or a cross-linking agent according to a prepolymer method, a semi-prepolymer method or a one-step method. The preparation method of the antibacterial modification type soft polyurethane foam has the advantages that antibacterial modification and polyurethane synthesis are completed by one step, antibacterial modification is conducted in a chemical bonding mode, and accordingly the prepared antibacterial modification type soft polyurethane foam is long-acting in antibacterial property, quick to sterilize, wide in antibacterial range and high in storage stability.

The invention discloses an intelligent rainwater purification landscape system. The intelligent rainwater purification landscape system comprises a firefighting impounding reservoir, a roof plant greening layer, a wall vertical greening layer, an S-shaped rainwater pipeline, a rainwater falling pipe, a primary deposition oxidization pond, a rainwater storage unit, an intelligent rainwater control module, a solar cell panel and a landscape fountain oxygen aeration unit which are arranged on a roof. According to the technical scheme, rainwater is collected, filtered, stored, purified and used by utilizing different filtering layers, so that the collected and purified rainwater can be used for providing irrigation water for garden greening. The utilization rate of rainwater resources can be improved, the municipal water consumption problem can be relieved, and the rainwater resource waste and urban water logging problems can be solved while landscapes are formed.

The invention discloses a reaction type antibacterial agent as well as a synthetic method and an application thereof. The antibacterial agent is of a structure shown in a formula (I). The synthetic method comprises the following steps: dropwise adding a sodium sulfanilate solution into a cyanuric chloride or cyanuric fluoride solution, reacting for 1-4 hours at the temperature of 0-5 DEG C to obtain an intermediate product, adding a triclosan solution, reacting for 2-8 hours at the temperature of 30-60 DEG C to obtain a precursor of the reaction type antibacterial agent, chlorinating the precursor to obtain a finished product of the reaction type antibacterial agent. The application process comprises the following steps: soaking fabrics into finishing liquid formed by dissolving the precursor of the reaction type antibacterial agent and a metal salt catalyst in water, adding an alkaline agent, continuing the soaking treatment, chlorinating to obtain antibacterial fabrics. The antibacterial agent disclosed by the invention has the advantages of excellent bacteriostatic and sterilizing functions, high sterilization speed, high efficiency and simplicity in synthetic process; the application process has the advantages of short reaction time, low temperature, little damage on the fabrics and no toxicity or pollution, is simple to operate and meets the processing requirements of ecological textiles.

A plasma generation electrode module includes: a plasma generation electrode module includes: first and second electrodes formed to be spaced apart from one another; and a dielectric disposed between the first and second electrodes to insulate the first and second electrodes, wherein the first electrode has a shaft shape, a first cylindrical dielectric is formed to be in concentric with the first electrode so as to be in contact with an outer circumference of the first electrode and cover the first electrode, and the second electrode is formed to be in concentric with the first dielectric so as to be in contact with an outer circumference of the first dielectric and cover the first dielectric, wherein a plurality of through holes are disposed on the second electrode, wherein the first and second electrodes are formed to be woven.

The invention discloses a rotating mirror scanning dual waveband semiconductor laser sterilization system for a medical device, which comprises an infrared semiconductor laser, an ultraviolet semiconductor laser, optical fiber collimators, a zooming coupled lens assembly, an infrared beam scanning rotating mirror and an ultraviolet beam scanning rotating mirror. The system can be applied in various modes and occasions and can make important contribution to reduce a fatality rate and a disability rate and restore health as soon as possible in the field of medical treatment and intensive care infection prevention and treatment; the system achieves quick and thorough sterilization and has high efficiency by adopting an intense laser sterilization mode and integrating the advantages of a strong heating effect of an infrared laser and a strong protein molecular ionization damage effect of an ultraviolet laser; and the system is portable and reusable, is not contacted with a human body, has no obvious direct or indirect influence on the human body and is convenient to realize.

The invention discloses a nanofiltration membrane cleaning agent for brine refinement and a preparation method thereof. The nanofiltration membrane cleaning agent is prepared by mixing the following components: 1-20 parts of an alkaline detergent; 0-5 parts of sodium hexametaphosphate; 0-5 parts of ethylenediaminetetraacetic acid; 2-40 parts of an acid cleaning agent; 0.1-1 part of a surfactant; 0.5-5 parts of a bactericide; and 80-200 parts of water. In a reactor with a stirring function, the alkaline cleaning agent, a dispersant, a chelating agent and the surfactant are added to the water according to the parts, and a mixture is evenly stirred; under normal temperature and normal pressure, the acidic cleaning agent and the bactericide are sequentially added, and the materials are uniformly stirred and dissolved, the materials are continuously stirred for 2 to 4 hours, the pH value is analyzed during stirring, and the pH value is adjusted between 2 and 8 by using ammoniacal liquor orcitric acid. The nanofiltration membrane cleaning agent mainly aims at the pollution of the nanofiltration membrane under a high-salt complex brine system, and can effectively clean the surface pollutant of the nanofiltration membrane, the cleaning effect is better, the cleaning agent can be saved, at the same time, the retention of calcium and magnesium in the cleaning process is stable, and thecleaning agent is also suitable for the cleaning of concentrated seawater or brine nanofiltration membrane pollutant with high calcium and magnesium ions.

The invention provides a non-poison and no foreign odor disinfectant containing double-chain quaternary ammonium salt and orthophthalaldehyde. The technology gist of the invention is that the material double-chain quaternary ammonium salt and orthophthalaldehyde are mixed at a ratio of 2 M : 1 M in molar content. The invention has the efficacy of both biquaternary ammonium salt and orthophthalaldehyde and is suitable for epidemic prevention disinfection, disinfection for articles of agriculture and breeding industry, inviroment disinfection, and immersion sterilization of medical device such as wet endured heatlabile endoscopes and surgical instruments.

The invention relates to polysiloxane containing halamine and quaternary ammonium salt on a side chain. The polysiloxane has the structure as shown in the general formula (I). The invention also relates to a preparation method of the polysiloxane. The preparation method comprises the steps as follows: carrying out reaction between the raw material and R1 sylvite and then between the raw material and long-chain primary amine, so as to obtain the polysiloxane containing both N-halamine and quaternary ammonium salt characteristic functional groups on the side chain. The polysiloxane integrates the advantages of the N-halamine and quaternary ammonium salt on bactericidal performance, and has the characteristics of being wide in bactericidal range, high in sterilization speed and capable of regenerating; and the polysiloxane can be widely applied to various cleaning agents and bacteriacides and porous and hard surface coatings.

The invention belongs to the technical field of health disinfection, and discloses a composite bactericide. The composite bactericide comprises, by weight, 15 to 30% of a single chain quaternary ammonium salt, 25 to 40% of a double chain quaternary ammonium salt, 0.1 to 5% of a phenol bactericide, 2 to 10% of a nonionic surfactant, and the balance deionized water. The invention also discloses a preparation method and applications of the composite bactericide. Synergistic interactions of the ingredients are realized, mutual promoting effect is achieved, sterilizing effect is improved obviously,sterilizing speed is accelerated, using concentration is lower, the composite bactericide is nontoxic, no irritation is caused, storage is stable, the composite bactericide is safe and green, and isfriendly to the environment. Operation of the preparation method is convenient, and industrialized production can be realized easily.

The invention provides a microwave sterilization method for flexibly packaged food; the method comprises the following steps: putting flexibly packaged bagged food into a microwave sterilization chamber; pressurizing the microwave sterilization chamber by compressed air; heating the microwave sterilization chamber to 88-92 DEG C by vapor; after the flexibly packaged bagged food is dehumidified, sterilizing the flexibly packaged food by microwaves; and finally, drying the flexibly packaged food by microwaves. According to the invention, through increasing pressure in the microwave sterilization chamber, the pressure is kept at 0.05-0.07 MPa; saturated vapor is directly used for heating the microwave sterilization chamber, so that the temperature in the microwave sterilization chamber is controlled at 90 DEG C; through microwave sterilization treatment, the sterilization speed is greatly increased, so that the shelf life of the sterilized flexibly packaged food is kept within a range from 6 months to 1 year; the microwave sterilization method for the flexibly packaged food, provided by the invention, is reasonable and convenient in use; a large amount of manpower and material resources are saved; energy consumption is greatly reduced; and the loss of nutritional components in the food is less.

The invention discloses a dressing containing composite antibacterial microspheres. The dressing has the advantages of safe, broad-spectrum antibacterial, long-acting antibacterial, anti-inflammatoryand anti-swelling. Furthermore, the sterilization speed is fast so as to avoid re-infection of wounds. Porous silica is used as a carrier, nano silver particles are synthesized in situ on the surfaceof the porous silica, and the porous silica adsorb an antibacterial and anti-inflammatory extract to form the composite antibacterial microspheres. The composite antibacterial microspheres has uniformdispersion and good stability and has good antibacterial and anti-inflammatory effects due to synergistic effect of all components. Furthermore, the porous structure of the composite microspheres arefully connected to the hydrogel dressing, thereby enhancing the mechanical properties and stability of the dressing. Added collagen can fade scars and promote wound healing. Good antibacterial and anti-inflammatory effects can be achieved through the reasonable combination of common bluebeard herb, radix sophorae tonkinensis, dandelion and plant ash, and the nano silver particles synergizes withthe materials so as to make the antibacterial and anti-inflammatory effect of the dressing remarkable. The dressing containing composite antibacterial microspheres can be used for treatment of skin defect inflection caused by various reasons in clinic.

A medicine used as the bactericidal of vagina is prepared from 5 Chinese-medicinal materials including cnidium fruit, argyi leaf, isatis root, flavescent sophora root, etc through extracting their active components, complexing with polyvinyl pyrrolidone as organic carrier, and complexing with povidone iodine. Its advantages are high penetrability and surface activity, broad spectrum, high effect, quickly taking its effect, and no toxic by-effect.

The invention discloses a special disinfectant for a Hu sheep farm and relates to the technical field of Hu sheep farming. The special disinfectant is prepared from raw materials in parts by weight as follows: 40-45 parts of common andrographis herbs, 30-35 parts of nettle leaves, 25-30 parts of sandalwood leaves, 25-30 parts of ginkgo leaves, 20-25 parts of balsam pear leaves, 15-20 parts of falsehellebore roots and rhizomes, 15-20 parts of honeysuckle flowers, 12-16 parts of isatis roots, 10-15 parts of wild perilla stems, 10-15 parts of leaves of Zanthoxylum armatum DC., 8-12 parts of a deodorant additive, 8-12 parts of Chinese leek roots, 7-11 parts of dandelions, 5-8 parts of castor seeds, 3-5 parts of chilli seeds, 6-10 parts of calamine, 5-9 parts of paeonol, 4-8 parts of potassium peroxymonosulfate, 3-6 parts of sulphur and 50-60 parts of ethanol. The prepared disinfectant has the characteristics of high sterilization speed and lasting anti-bacterial effect, provides safety guarantee for healthy growth of Hu sheep, has high usage safety and causes no pollution to the environment; besides, the disinfectant smells fragrant and is free of pungent traditional Chinese medicine smells, and odors can be effectively removed through addition of the deodorant additive, so that the air quality of a sheep pen is improved.

The invention mainly provides a sanitizer formulation and a preparation method thereof. The sanitizer formulation comprises 6-12 parts of honeysuckle, 8-12 parts of fructus forsythiae, 6-12 parts of onion, 6-10 parts of houttuynia cordata, 8-12 parts of dandelion, 6-10 parts of radix bupleuri, 5-7 parts of hickory oil, 5-8 parts of radix isatidis, 15-22 parts of activated carbon, 6-8 parts of ginger, 5-9 parts of folium artemisiae argyi, 5-8 parts of eucalyptus leaf, 5-8 parts of radix sophorae flavescentis, 5-8 parts of glycerin, 6-10 parts of aloe, 10-15 parts of hydrogen peroxide, 3-5 partsof potassium permanganate, 8-15 parts of anhydrous alcohol, 5-15 parts of dimethyl formamide and 30-150 parts of distilled water. Honeysuckle, fructus forsythia, onion, houttuynia cordata, dandelion,radix bupleuri, radix isatidis, ginger, folium artemisiae argyi, the eucalyptus leaf, radix sophorae flavescentis and aloe which have sterilization and disinfection effect and are low in cost, easy to obtain and obvious in disinfection and sterilization effect are used as main raw materials, potassium permanganate, hydrogen peroxide and the hickory oil are used as auxiliary materials, and glycerin and dimethyl formamide are compounded, so that the prepared sanitizer formulation is higher in sterilization speed, stronger in sterilization effect, lower in sterilization concentration, nontoxic and pollution-free.

The invention provides a vegetable disease control method. The method puts ozone water on surfaces of vegetables to kill pathogenic bacteria on the surfaces of the vegetables or prevent the vegetables from diseases; the ozone water is prepared by an ozone generator, ozone gas is prepared firstly, and then the ozone gas and water is mixed in a gas-liquid mixing tower to obtain the ozone water. The method adopts the ozone water to control the pathogenic bacteria on the vegetables and is environment-friendly. Redundant ozone water rapidly decomposes into oxygen gas and will not cause secondary pollution to an environment or soil, and pesticide residue on the vegetables can be avoided; and in addition, microorganism bacteria can directly react with ozone dissolved in water and can indirectly react with hydroxyl radical generated by decomposition of the ozone, the hydroxyl radical is an oxidizing agent having high oxidizing ability, and then the ozone water can rapidly kill the pathogenic bacteria.

The invention discloses a preparation method of an anti-bacteria cotton fabric containing an AgO/TiO2 composite. The preparation method comprises the following steps of: mixing AgO powders and TiO2 powders, and then performing ball milling on the mixed powders in a ball mill to obtain AgO/TiO2 composite anti-bacteria powders; then weighing a surface active agent which is then put into a reactor, adding deionized water in the reactor, then heating the mixed liquid, stirring the mixed liquid to dissolve the surface active agent, then adding the ultrafine AgO/TiO2 composite anti-bacteria powders in the mixed liquid, stirring the liquid continuously, finally adding an adhesive into the liquid, and stirring the liquid to obtain AgO/TiO2 composite anti-bacteria finishing agent suspending liquid; and soaking, washing and drying a cotton fabric, heating and stirring the AgO/TiO2 composite anti-bacteria finishing agent suspending liquid, soaking the cotton fabric into the AgO/TiO2 composite anti-bacteria finishing agent suspending liquid, then washing the cotton fabric by tap water under a room temperature, and drying the cotton fabric to obtain the anti-bacteria fabric containing the AgO/TiO2 composite. The preparation method solves the problems that the conventional preparation method of anti-bacteria fabrics is complex, the sterilizing speed of the fabrics is slow, and the anti-bacteria capability of the fabrics is weak.

Belonging to the technical field of high polymer materials, the invention discloses a two-way continuous fiber reinforced polypropylene antibacterial composite material and a preparation method thereof. The two-way continuous fiber reinforced polypropylene antibacterial composite material is prepared from the following components by weight: 30-50 parts of polypropylene resin, 50-70 parts of continuous fiber, 0.5-1.5 parts of an antibacterial agent, 0.5 part of an antioxidant 1010, 1.5 parts of an antioxidant 168, and 4 parts of a compatilizer. The antibacterial composite material provided by the invention is an environment-friendly material, not only has very high mechanical properties but also has antibacterial effect. In addition, the two-way continuous fiber reinforced polypropylene antibacterial composite material provided by the invention also has a relatively low price.

The invention discloses a scylla paramamosain anti-bacterial polypeptide Sp-NPFin and its application. A molecular formula is C227H373N71O62S1, and its amino acid sequence is shown as SEQ ID NO: 01. The scylla paramamosain anti-bacterial polypeptide Sp-NPFin has strong antibacterial activity and antifungal activity, good antibacterial effect, wide antibacterial spectrum and fast sterilization rate. The scylla paramamosain anti-bacterial polypeptide Sp-NPFin is derived from crustaceans and can be applied to aquatic feed additives, can be developed to anti-mold preservatives, antibacterial agents and antibacterial drugs, and has broad application prospects.

The invention discloses a preparation method and application of quaternary ammonium salt-N-halamine nano antibacterial fibers. The preparation method includes: performing activation preprocessing on natural fibers, allowing the activated natural fibers to have grafting reaction with a multi-amino polymer compound or a multi-amino multi-sulfydryl polymer compound, then grafting with quaternary ammonium salt, using a crosslinking agent to perform crosslinking, and bleaching to obtain the quaternary ammonium salt-N-halamine nano antibacterial fibers. The prepared quaternary ammonium salt-N-halamine nano antibacterial fibers have contact type and release type bifunctional antibacterial functions and are capable of increasing sterilizing speed, capable of achieving sterilizing under normal temperature, high in sterilizing performance, lasting in effect, less prone to tolerance generation, widely applicable to many fields such food packages, food fresh-keeping, medical equipment, public sanitation and water purification systems and promising in application prospect.