229results about How to "Long antibacterial time" patented technology

The invention discloses a method for preparing a hydroxyapatite/nano silver antibacterial composite coating through pulse electrochemical deposition, which comprises: using a calcium salt, phosphate, silver nitrate and a proper amount of coordination agent to prepare electrolyte with certain concentration and pH value, and performing electrodeposition in a electrolytic cell provided with a three-electrode system; taking a saturated calomel electrode as a reference electrode, a platinum sheet as a counter electrode and biological medical metal to be coated as a working electrode, wherein the pulse high electric potential is 0 volt, the pulse low electric potential is -2.0 volts, the pulse width is 100 seconds, and the deposition time is 2 hours; and depositing compositions in the coating on a base material in a mode of ions, uniformly dispersing nano silver generated during deposition in the composite coating, and finally preparing the hydroxyapatite/nano silver antibacterial compositecoating.

The present invention relates to one kind of botanical antiseptic. The botanical antiseptic with plant extracts as main components is superior in antiseptic spectrum, safety, durability, heat resistance and other aspects. It is prepared with phellodendron bark, skullcap root, honeysuckle and other Chinese medicinal materials, and through soaking, decocting, concentrating decoction and alcohol depositing. It has high safety, ideal antiseptic effect, no contamination to product, no environmental pollution and other features, and may be used widely.

The invention discloses the method for preparation of chitosan/rectorite nano composite material used for antibacterial agent. The chitosan/rectorite nano composite material, which mainly comprises chitosan and rectorite, is made by entering chitosan intercalation into clay band. The method comprises the following steps: carrying out base exchange by natural rectorite and modifier to make organic rectorite, in the condition of stirring, adding the chitosan solution into the organic rectorite suspending liquid at twice, adding caustic soda solution, washing the solution until the neutral solution, drying, and getting the chitosan or rectorite nano composite material. Compared with the pure chitosan, the microorganism resistance and fire-resisting property of chitosan or rectorite nano composite material are better.

The invention discloses an antibacterial natural latex product based on a quaternary ammonium salt antibacterial agent and a preparation technology of the antibacterial natural latex product, and belongs to the technical field of latex materials. The antibacterial natural latex product is prepared from the following components by weight: 90 to 100 parts of natural latex, 1 to 9 parts of sulfur, 1 to 5 parts of a vulcanization accelerator, 1.5 to 2 parts of an anti-aging agent, 1 to 6 parts of zinc oxide, 0.5 to 2 parts of sodium fluosilicate, 1 to 3 parts of potassium castorate, 0.1 to 2 parts of potassium oleate, 0.5 to 1 part of potassium permanganate and 0.1 to 3 parts of the quaternary ammonium salt antibacterial agent. The antibacterial natural latex product is based on the antibacterial characteristic of a low-concentration quaternary ammonium salt compound. The adopted quaternary ammonium salt compound has the advantage of stable performance, and the compound is tightly combined with latex polymer molecules and cannot permeate the skin of people or an animal by changing the physicochemical property of material surface. The latex product prepared in the invention has the advantages of high antibacterial property, hygiene, high practicability and the like, and has a broad market prospect.

The invention discloses an organosilicon quaternary ammonium long-acting antibacterial product and a preparation method of the organosilicon quaternary ammonium long-acting antibacterial product. The product comprises a first organosilicon quaternary ammonium antibacterial component, a second organosilicon quaternary ammonium antibacterial component and a third synergistic component, wherein the first organosilicon quaternary ammonium antibacterial component is dimethyl alkyl [3-(trimethoxysilyl) propyl] ammonium halide containing C10-C16 alkyl, and the halogen is preferably Cl (chlorine) and Br (bromine); the second organosilicon quaternary ammonium antibacterial component is dimethyl alkyl [3-(trimethoxysilyl) propyl] ammonium halide containing C18-C30 carbon chains, and the halogen is preferably F (fluorine), Cl (chlorine) and I (iodine); the third synergistic component is selected from a group comprising tea polyphenol, aloe and chitosan or a group comprising composition of polyphenol, aloe and chitosan. The antibacterial agent has broad-spectrum antibacterial performance, lasts long, is poisonless, has no irritation to the skin, is especially applicable to sensitive parts of the skin and is a good choice in daily life, wound treatment and operation assistance.

The invention relates to the technical field of daily care products, in particular to a washing-free foam type female bactericidal solution and a preparation method thereof. The washing-free foam type female bactericidal solution is prepared from natural plant saponins, a bactericidal odor removing agent, a nourishing and moisturizing agent, a plant anti-allergic anti-itching agent, a solvent, lactic acid, citric acid, sodium citrate, a solubilizer and ethyl alcohol. The washing-free foam type female bactericidal solution is a foam type care solution capable of being internally used and can have a larger surface area to make contact with skin; meanwhile, foam is not prone to overflow, and long-acting sterilization protection is achieved. The bactericidal solution can reduce damage to female physiological environment to the maximum extent and protect mucosa and skin of private parts from being injured. In addition, the bactericidal solution has killing and inhibiting effects on harmful germs in vaginas, has a protection effect on beneficial bacteria and maintains balance of normal flora at the female private parts.

The invention provides a no-washing foam hand disinfection solution and a preparation method thereof, and belongs to the technical field of hand disinfection solutions. The no-washing foam hand disinfection solution comprises a surface active agent, a foam stabilizing agent, ethanol, a sterilizing agent, an emollient and essence and is prepared through a simple process. The no-washing foam hand disinfection solution provided by the invention is an ethanol-containing no-washing foam hand disinfection solution, is broad-spectrum, antibacterial, especially suitable for medical workers, patients or family members in a hospital and has the advantages of good disinfection effect, long-acting bacteria inhibition and skin-protecting effect.

The invention relates to a producing method of fabric, in particular to a producing method of antibiosis and fragrant spun silk cotton fabric. The producing method comprises the steps of materials preparation, gray yarn, pretreatment, fragrant treatment, dyeing, washing, fixation, spooling, manufacturing, singeing, half mercerization, washing, dewatering and after-treatment. The producing method is simple in technology, the fragrant treatment technology is arranged before the dyeing technology, so that the gray yarn is more stable in performance before dyeing effectively, and the permeation and the dyeing of dye is more even; the pretreatment is arranged before the fragrant treatment technology, so that a fragrant microcapsule can be effectively guaranteed to permeate into the gray yarn, the persistency of the fragrance of the gray yarn fabric is kept, the beneficial effect is obvious, and the market prospect is good.

The invention relates to the technical field of medical dressing, in particular to medical and antibacterial cationic biogel dressing and a preparation method thereof. The medical and antibacterial cationic biogel dressing comprises raw materials in percentage by weight as follows: glycerin, chitosan quaternary ammonium salt, amino-acid iodine, organosilicon quaternary ammonium salt, an indigowoad leaf extraction solution, a prunella vulgaris extraction solution, a paniculate swallowwort root extraction solution and the balance of purified water. The antibacterial dressing has a remarkable antibacterial effect, is transparent, high in water content, non-toxic, harmless, nonirritating and good in biocompatibility and adhesion, can isolate bacteria, kill bacteria, fungi and viruses and prevent skin and mucous membranes from infection, can stop bleeding and keep the wound wet and further can promote skin regeneration and healing of the wound. The medical and antibacterial cationic biogel dressing can be widely used for preventing and treating infection of skin wound such as skin bruise, scalding, burning, bedsore, ulcer, vagina skin eczema and the like and local mucous membrane infection of an oral cavity, the throat, gingivae and the like and can relieve pains, inhibit bacteria, protect wound, promote wound healing and inhibit scarring.

The invention discloses a chitosan microsphere loaded nano silver antibacterial polypropylene material, a composite antibacterial agent and a preparation method thereof, belonging to the field of polymer material modification. The preparation method of the chitosan microsphere loaded nano silver antibacterial polypropylene material comprises the following steps of: (1) synthesizing a chitosan microsphere/nano silver composite antibacterial agent; and (2) blending the composite antibacterial agent and a polypropylene resin matrix to prepare the antibacterial polypropylene material. The composite antibacterial agent takes chitosan microspheres as carriers, and nano silver is loaded on the chitosan microspheres; and the composite antibacterial agent has the advantages of small dosage, environmental protection, low price, excellent and lasting antibacterial performance and the like, and the antibacterial polypropylene material prepared from the composite antibacterial agent not only has strong antibacterial performance, but also has improved mechanical performance. In addition, the composite antibacterial agent and antibacterial polypropylene material have simple preparation process and easy operation, are suitable for industrial application, and have high economic and social values.

The invention relates to a chitosan quaternary ammonium salt hydrogel antibacterial dressing and a preparation method thereof, and belongs to the field of biomedicine. The chitosan quaternary ammoniumsalt hydrogel antibacterial dressing is prepared from the following raw materials in parts by weight: 0.1-5 parts of a chitosan quaternary ammonium salt, 0.1-5 parts of an organosilicon quaternary ammonium salt, 1-8 parts of a cellulose derivative, 5-20 parts of glycerol and 80-120 parts of purified water. The chitosan quaternary ammonium salt hydrogel antibacterial dressing provided by the invention has a good antibacterial effect, stability and a wide application range, and has a good therapeutic effect on wound healing.

The invention discloses a lasting antibacterial textile fabric preparation method. The method comprises the steps that 1, weft yarns are prepared; 2, warp yarns are prepared; 3, a composite antimicrobial agent is prepared; 4, the prepared composite antimicrobial agent is added into a spraying device, and then spraying is conducted on the yarns; 5, the yarns obtained after spraying is conducted enter an infrared drying box for drying; 6, the yarns obtained after drying is conducted are woven on a water-jet loom by adopting the weft yarns and the warp yarns as twill at 400 yarns/square inch. Thefabric obtained through the method has the advantage of being long-term antibacterial, the good antibacterial performance is still maintained after repeated water washing, and the time is 5-7 times that of the anti-wear fabric on the existing market; the preparation method is simple, the cost is low, and processing and popularizing are facilitated.

The present invention discloses a biological slime stripping agent for a water treatment. The biological slime stripping agent is characterized by comprising, by weight, 5-30% of alkyl polyhexamethylene guanidine hydrochloride, 1-10% of isothiazolinone, 1-10% of organic bromine, 5-40% of a solvent, and the balance of water, wherein the alkyl polyhexamethylene guanidine hydrochloride structure is represented by a formula (I), m is 20-90, n is 9-17, the weight average molecular weight Mw is 12000-20000, the molecular weight distribution D is 1.0-1.2, the isothiazolinone is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, the organic bromine is one or a plurality of materials selected from 2,2-dibromo-3-nitrilopropionamide, 2-bromo-2-nitro-1,3-propylene glycol, and 2,2-dibromo-2-nitroethanol, and the solvent is an alcohol solvent.

The invention discloses a livestock farm disinfection spray and a preparation method thereof and relates to the technical field of disinfectants. The spray is prepared from, by weight, 35-40 parts of ginkgo leaves, 25-30 parts of cacumen platycladi, 25-30 parts of illicium anisatum leaves, 15-20 parts of hemp stalk ash, 15-20 parts of tea residues, 10-15 parts of Chinese toon leaves, 10-15 parts of purple perilla leaves, 8-12 parts of distiller' grains, 6-10 parts of deodorant, 5-8 parts of herba ephedrae, 5-8 parts of tea seed powder, 4-6 parts of acetic acid, 3-5 parts of castor seed powder, 2-3 parts of soda ash, 2-3 parts of salt, 1-2 parts of realgar and 1000-1200 parts of water. The prepared spray is fragrant in smell and free of stimulation, and has an excellent disinfectant effect, and bacteriostasis time is long; the spray has a remarkable deodorization effect, can effectively remove peculiar smells, and can improve the breeding environment of a livestock farm.

The invention provides a medical disinfection coupling agent with disinfection and sterilization functions, which comprises the following components in percentage by weight: 0.3 percent of Carbomer 980 raw material powder, 0.12 percent of sodium hydroxide, 3 percent of glycerol, 1 percent of cetylpyridinium chloride, and the balance of purified water. The preparation method comprises the following steps: respectively dissolving Carbomer 980 and sodium hydroxide into purified water; stirring and mixing by virtue of a high-speed stirrer; adding glycerol, the disinfectant, the lubricant and the emollient; and stirring, defoaming and filling, and performing radiation disinfection through cobalt 60. The medical disinfection coupling agent has the characteristics of quick sterilization, broad spectrum of anti-bacterium, long bacteria inhibition time, no antibiotics, drug resistance prevention and the like, and is used for ultrasonic diagnosis, wherein a probe is contacted with mucosa; and the medical disinfection coupling agent has the advantages of wide raw material sources, simple preparation method and cost reduction.

The invention discloses an antibacterial plastic containing a natural antibacterial agent. The antibacterial plastic is composed of, by weight: 50-60 parts of a plastic body, 5-15 parts of a plasticizer, 5-15 parts of a stabilizer, 5-15 parts of a lubricant, and 10-20 parts of the natural antibacterial agent. The antibacterial agent involved in the invention has the characteristics of environmental friendliness, no pollution, low cost, good antibacterial effect and long antibacterial time, and can achieve an antibacterial rate of over 70% on Escherichia coli and Staphylococcus aureus.

The invention provides natural preservative edible food packaging paper. The natural preservative edible food packaging paper comprises a dietary fiber layer, a protein membrane layer and a preservative liquid layer arranged between the dietary fiber layer and the protein membrane layer. The invention also provides a preparation method of the natural preservative edible food packaging paper. The natural preservative edible food packaging paper is a green and safe food packaging product, raw materials are easily obtained, the natural preservative edible food packaging paper is easy to operate, low in cost, economic and environment-friendly, the problems of conflicts between food packaging wastes and environmental protection and the like are fully solved, and the packaging paper is high in paper forming strength, high in flexibility, unlikely to break and wide in application range.

The invention relates to a kind of longacting air-clarify. First, beat up continuously de ionized water, and then add alkaterge, film fabric and anti microbial in turn to form A appearance. Second, add perfumery compound to officianal alcohol to form B appearance, if needed, perfumery compound can not be added to B appearance. Third, mix B with A and beat up equably to get diaphaneity or muddy latex. If needed, C appearance prop can be added to get inhalator output in jar. the invention has many advantages, for example, it can control growth of pathogene and bacteria effectively. It can not harm health persons in the room. The preparation methods is easier and production is convenient.

The invention provides a natural moistureproof degradable food packaging paper, which includes a fiber layer, a protein film layer, and a moistureproof liquid layer arranged between the fiber layer and the protein film layer. The invention also provides a preparation method of the natural moistureproof degradable food packaging paper. The natural moistureproof degradable food packaging paper is completely a green and safe food packaging supply, and has the characteristics of easily available raw materials, simple operation, low cost, economical efficiency and environmental protection, fully solves the contradiction between food packaging wastes and environmental protection and other problems, and has the advantages of high paper strength, good flexibility, difficult breaking and wide range of application.

The invention discloses an environmental-protection oxygen barrier antibacterial polypropylene-random (PP-R) pipe. The environmental-protection oxygen barrier antibacterial PP-R pipe comprises a PP-R outer layer, a PP-R oxygen barrier intermediate layer and a PP-R antibacterial inner layer, wherein a high-performance oxygen barrier agent selected in the PP-R oxygen barrier intermediate layer is polyamide and copolymers thereof or polyving akohol and copolymers thereof. The environmental-protection oxygen barrier antibacterial PP-R pipe has a reasonable production formula and low production cost, keeps inherent physical and mechanical properties by adding the oxygen barrier intermediate layer and performing one-time extrusion molding, has high oxygen barrier performance and can prolong the service life of system equipment. The environmental-protection oxygen barrier antibacterial PP-R pipe has an antibacterial rate up to 90 percent on escherichia coli and staphylococcus aureus and has high physical and mechanical properties.

The invention discloses a bi-cationic epoxy bactericide for water treatment and a preparation method of the bi-cationic epoxy bactericide. The bi-cationic epoxy bactericide for water treatment consists of bi-cationic quaternary ammonium salt with the mass percentage being 10%-90% and a solvent. The bi-cationic epoxy bactericide is synthesized from raw materials including organic amine and 2,3-epoxypropyltrimethylammonium chloride in the presence of a solvent medium and prepared into the required concentration with water, and the bactericide is prepared. Compared with conventional bactericides,the bactericide has the characteristics of broad spectrum, high efficiency, good chemical resistance, complete biodegradability, no toxicity, low foam, low cost and the like, is applicable to industrial recycling cooling water systems, oilfield reinjection water and wastewater treatment and has very high killing efficiency for common bacteria such as TGB (total general bacteria), SRB (sulfate reducing bacteria), FB (ferrous bacteria) and the like.

The invention provides natural moisture-proof edible food packaging paper comprising a dietary fiber layer, a protein film layer and a moisture-proof liquid layer arranged between the dietary fiber layer and the protein film layer. The invention also provides a preparation method of the natural moisture-proof edible food packaging paper. The natural moisture-proof edible food packaging paper can be a complete pollution-free and safe food packaging supply, raw materials are easily available, the operation is simple, and the cost is low, so that the edible food packaging paper is economical and environmentally friendly, the problems of the contradiction between food wrapping wastes and environmental protection and the like are completely solved, and finished paper is high in strength, good in flexibility, difficulty to break and wide in application range.