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230results about How to "Long antibacterial time" patented technology

Chitosan quaternary ammonium salt/organic montmorillonite nano composite material and preparation method thereof

The present invention discloses one kind of nanometer chitosan quaternary ammonium salt / organic montmorillonite composite material and its preparation process. The composite material consists of chitosan quaternary ammonium salt and organic montmorillonite. It is prepared through twice dropping chitosan quaternary ammonium salt solution into organic montmorillonite suspension at 70-80 deg.c and through stirring, and freeze drying. The nanometer composite material combines the bacterium adsorbing and fixing effect of clay and the bacterium inhibiting and killing effect of chitosan quaternary ammonium salt, so that it has high antibiotic performance, broad antibiotic spectrum and long antibiotic period.
Owner:WUHAN UNIV

Method for preparing hydroxyapatite/nano silver antimicrobial composite coating by pulse electrochemical deposition

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.
Owner:SOUTHWEST JIAOTONG UNIV

Plant-type antibacterial agent

ActiveCN101077079ANo damageNo harm pollutionBiocideDisinfectantsAlcoholHeat resistance
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.
Owner:江苏东方正泽生物科技有限公司

Chitosan/rectorite nano composite materials and method for preparing the same

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.
Owner:WUHAN UNIV

Antibacterial natural latex product based on quaternary ammonium salt antibacterial agent and preparation technology of antibacterial natural latex product

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.
Owner:江苏金世缘乳胶制品股份有限公司 +1

Organosilicon quaternary ammonium long-acting antibacterial product and preparation method thereof

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.
Owner:江西领行生物科技有限公司

Washing-free foam type female bactericidal solution and preparation method thereof

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.
Owner:广州睿森生物科技有限公司

Chitosan-loaded nano-silver antibacterial polypropylene material and preparation method thereof

InactiveCN110343327APlay a buffer release effectLong antibacterial timePolypropyleneAntibacterial agent
The invention discloses a chitosan-loaded nano-silver antibacterial polypropylene material and a preparation method thereof and belongs to the field of polymer material modification. The antibacterialpolypropylene material comprises polypropylene resin and a loaded antibacterial agent, wherein measured according to the weight part (100) of the polypropylene resin, the weight part of the loaded antibacterial agent is 0.1-30; the loaded antibacterial agent is a chitosan / nano-silver composite antibacterial agent, wherein nano-silver is loaded on chitosan, and the mass ratio of the nano-silver tothe chitosan is 1 / 100-100 / 100. The composite antibacterial agent disclosed by the invention has the advantages such as small dosage, greenness, environment friendliness, low price and durable antibacterial properties, and therefore, the prepared antibacterial polypropylene material is not only excellent in antibacterial properties, but also improved on mechanical properties. In addition, the preparation process of the antibacterial polypropylene material is simple and easy to operate, and the antibacterial polypropylene material is suitable for industrial application and has very high economic and social values.
Owner:QUANZHOU NORMAL UNIV

No-washing foam hand disinfection solution and preparation method thereof

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.
Owner:HENAN HUIBO MEDICAL CO LTD

Producing method of antibiosis and fragrant spun silk cotton fabric

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.
Owner:TAICANG QISHENG CHEM FIBER FACTORY

Water-in-oil baby nappy cream and preparation method thereof

ActiveCN104906553AProvides natural moisturizing effectImprove stabilityCosmetic preparationsAntipyreticSodium lactateHexyl acetate
The invention discloses water-in-oil baby nappy cream which comprises deionized water, glycerin, maleic acid diethyl hexyl acetate, zinc oxide, butanediol, margarine fruit tree butter, 1, 2-pentanediol, tridecyl trimellitate, polydimethylsiloxane, cetyl PEG / PPG-10 / 1 polydimethylsiloxane, sodium lactate, C18-38 alcohol hydroxyl stearoyl stearate, sorbitan sesquioleate, prinsepia utilis seed oil, bisabolol, ginger root extracts, purslane extracts, sodium hyaluronate extracts, sodium hyaluronate, allantoin, tocopheryl acetate, polyhydroxystearic acid, dimethiconol, magnesium sulfate and EDTA (ethylene diamine tetraacetic acid) disodium. The water-in-oil baby nappy cream solves the problems of low-temperature precipitation of water-in-oil cream and difficulty in adding high-content zinc oxide into a cream system, stability of the cream is improved, and baby nappy rash is safely treated. The invention further discloses a preparation method of the water-in-oil baby nappy cream.
Owner:YUNNAN BOTANEE BIO TECH GRP CO LTD +1

Medical and antibacterial cationic biogel dressing and preparation method thereof

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.
Owner:DONGGUAN DAQING MEDICAL DEVICES CO LTD +2

Anti-radiation antibacterial deodorizing fabric and preparation method thereof

The invention provides anti-radiation antibacterial deodorizing fabric. The anti-radiation antibacterial deodorizing fabric comprises a base fabric layer, a fabric layer and an anti-radiation antibacterial deodorizing layer arranged between the base fabric layer and the fabric layer. The anti-radiation antibacterial deodorizing layer is composed of warps, wefts and wool yarns by cross knitting. The warps are antibacterial fibers containing nano-silver particles, and the nano-silver particles account for 0.015-0.020%o of the antibacterial fibers. The wefts are antibacterial fibers treated by deodorizing finishing liquid, and the wool yarns are silver-plated fiber filament, and the silver-plated fibers use chinlon filaments as carrier. Silver is arranged on fibers on the surface of the carrier by the electrolysis method. The anti-radiation antibacterial deodorizing fabric is simple in structure, low in cost, excellent in antibacterial effect, long in antibacterial time and convenient in raw-material sourcing and has wide-spectrum antibacterial function.
Owner:广州傲加科技有限公司

Chitosan microsphere loaded nano silver antibacterial polypropylene material, composite antibacterial agent and preparation method thereof

ActiveCN110804247APlay a buffer release effectLong antibacterial timeMicrosphereResin matrix
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.
Owner:QUANZHOU NORMAL UNIV

Chitosan quaternary ammonium salt hydrogel antibacterial dressing and preparation method thereof

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.
Owner:GUANGZHOU RAINHOME PHARM&TECH CO LTD

Rare earth added antibacterial ceramic glaze and preparation method thereof

The invention provides rare earth added antibacterial ceramic glaze and a preparation method thereof and relates to the field of ceramic preparation. The ceramic glaze mainly comprises the following raw materials in parts by weight: 25-45 parts of silicon dioxide, 5-13 parts of aluminum oxide, 3-5 parts of deep sea mineral mud, 3-6 parts of magnesium oxide, 2-6 parts of copper oxide, 1-5 parts of zinc oxide, 4-8 parts of zirconium silicate, 1-3 parts of titanium dioxide, 3-9 parts of opal shale, 0.2-0.5 part of polyethylene glycol, 2-7 parts of sodium metaphosphate, 2-12 parts of rare-earth metal oxide and 67-95 parts of organic solvents; and the raw materials also comprise 2-6 parts of silver nitrate. The rare earth added antibacterial ceramic glaze provided by the invention is lasting in antibacterial time and high in efficiency, and other performances of ceramic products are not influenced.
Owner:FOSHAN LANTU TECH CO LTD

Biological slime stripping agent for water treatment, and preparation method thereof

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.
Owner:CHINA NAT OFFSHORE OIL CORP +2

Livestock farm disinfection spray and preparation method thereof

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.
Owner:和县乌江镇雅轩家庭农场

Medical disinfection coupling agent

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.
Owner:JIANGSU 139 MEDICAL DEVICES

Antibacterial plastic containing natural antibacterial agent

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.
Owner:ANHUI IND & TRADE VOCATIONAL TECHN COLLEGE

Natural preservative edible food packaging paper and preparation method thereof

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.
Owner:JURONG MAOYUAN WEAVING FACTORY

Seaweed polyester long fiber and preparation method thereof

The invention provides a preparation method of a seaweed polyester long fiber. The content of a seaweed extract in the polyester long fiber is 0.1-3%. The preparation method of the polyester long fiber comprises preparation of the seaweed extract, preparation of a functional modifier containing the seaweed extract, preparation of polyester functional particles, and mixing and spinning forming; according to the seaweed polyester long fibers prepared by the method, the extraction rate of the effective component which refers to algal polysaccharide sulfate substance in the seaweed is highly improved; meanwhile, the polyester long fibers have high hydrophilicity and hygroscopicity, and can achieve the antibacterial rate of 95.0-97.5% on bacteria, such as staphylococcus aureus, escherichia coli, candida albicans and the like which are easily infected by a human body; the polyester long fiber is 0.3-0.5dpf in monofilament fineness; the dry breaking strength of the fiber reaches 6.5-6.8cN / dtex; the wet break strength is 5.2-5.3cN / dtex; and the elongation at break is 32-36% and the comprehensive performance is excellent.
Owner:BESTEE MATERIAL (TSINGTAO) CO LTD

Biological slime inhibitor and preparation method thereof

The invention discloses a biological slime inhibitor. The biological slime inhibitor is characterized by comprising the following components by weight percent: 5-30% of poly-hexylidene triamine guanidinium chloride, 1-10% of isothiazolinone, 1-10% of organic bromide, 5-40% of methanol solvent, and the balance of water, wherein the weight-average molecular weight of the poly-hexylidene triamine guanidinium chloride is Mw=10000-20000; the molecular weight distribution D is 1.0-1.1; the isothiazolinone is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-ketone and 2-methyl-4-isothiazolin-3-ketone, of which the mass ratio is (2.5-4):1; the organic bromide is one or more of 2,2-dibromo-3-nitrogen propionamide, 2-brome-2-nitro-1,3-propanediol and 2,2-dibromo-2-nitroethanol. In addition, the invention also provides a preparation method of the biological slime inhibitor. The biological slime inhibitor disclosed by the invention has an extremely efficient sterilization effect and excellent alga-killing property, and has the characteristics of being long in bacteriostatic time, free of drug resistance, free of a bubble, safe to use and the like.
Owner:CNOOC TIANJIN CHEM RES & DESIGN INST +1

Long-lasting purifying agent for air corditioner

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.
Owner:SHANGHAI SOUP MAKING GROUP

Natural moistureproof degradable food packaging paper and preparation method thereof

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.
Owner:HUBEI HENGDA PACKING CO LTD

Environmental-protection oxygen barrier antibacterial polypropylene-random (PP-R) pipe

InactiveCN102494201APrevent penetrationPreserve physical and mechanical propertiesRigid pipesPolyvinyl alcoholPolyamide
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.
Owner:合肥安诺新型建材有限公司

Bi-cationic epoxy bactericide and preparation method thereof

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.
Owner:CNOOC TIANJIN CHEM RES & DESIGN INST +1

Non-woven fabric with excellent antibacterial performance and manufacturing method of non-woven fabric

The invention discloses a non-woven fabric with excellent antibacterial performance. The fabric is prepared through the steps of proportioning the following components of, in parts by weight, 60-80 parts of polypropylene, 20-30 parts of polyethylene glycol terephthalate, 2-4 parts of a silver ion antibacterial agent, 1-3 parts of bamboo charcoal fibers, 6-8 parts of polyisobutene and 10-12 parts of a reinforcing modifier; conducting melting; conducting high-pressure extrusion; conducting spinning; conducting air cooling; conducting stretching; conducting immersing; conducting secondary stretching; conducting drying; conducting cutting; conducting bonding and the like. According to the fabric and the method, the silver ion antibacterial agent, the bamboo charcoal fibers and the like are added into raw materials of the non-woven fabric, so that the non-woven fabric has a good antibacterial effect and long antibacterial time; and then the non-woven fabric is soaked in an antibacterial liquid, so that the antibacterial effect of the non-woven fabric is greatly improved, and the antibacterial time is greatly prolonged.
Owner:苏州杜康宁医疗用品有限公司

Natural moisture-proof edible food packaging paper and preparation method thereof

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.
Owner:JURONG MAOYUAN WEAVING FACTORY
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