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106results about How to "Has bactericidal and antibacterial effect" patented technology

Nano compound function fibers as well as preparation method and application thereof

The invention particularly relates to nano compound function fibers as well as a preparation method and application thereof and belongs to the field of preparation of nano fibers. The nano compound function fibers are prepared from the following raw materials in parts by weight: 12-25 parts of a biological macromolecular degradable material, 10-15 parts of an inorganic material, 3-5 parts of a silane coupling agent, 60-70 parts of an organic polymer material, 1-3 parts of nano far infrared powder, 0.05-0.08 part of metal salt, 0.1-1 part of carotenoid and 0.05-0.5 part of calcium carbonate. The nano compound function fibers are prepared by the following steps: mixing the raw materials to prepare melted liquid and adopting a high-pressure electrostatic spinning method. The nano compound function fibers are sprayed on the inner surface or the outer surface of a filter element so that the filtering precision of a traditional filter element is improved and the filtering efficiency is improved; the nano compound function fibers have the effects of nano fiber sterilization, water quality activation and the like; and when the nano compound function fibers are sprayed on the inner surface or the outer surface of the filter element, the filtering quality of the filter element is extremely prolonged.
Owner:FUJIAN OSPRING TECH & DEV

Antibacterial waterproof polyurethane coating and preparation method thereof

The invention discloses an antibacterial waterproof polyurethane coating and a preparation method thereof. The antibacterial waterproof polyurethane coating is prepared from the following raw materials in parts by weight: 150-180 parts of polyester polyol, 15-20 parts of 1,6-hexamethylene diisocyanate, 25-30 parts of isophorone diisocyanate, 10-14 parts of 2,2-dimethylolpropionic acid, 20-25 parts of triethylamine, 10-12 parts of nanometer silver, 7-9 parts of citrate, 10-12 parts of kaolin, 7-9 parts of propylene glycol, 5-7 parts of neopentyl glycol diacrylate, 3-5 parts of organic bismuth, 7-9 parts of dibutyltin dilaurate, 3-4 parts of diethanolamine diacetone acrylamide amide, 6-7 parts of polydimethoxy siloxane, 8-9 parts of nanometer titanium dioxide, 12-14 parts of dodecyl polyoxyethylene ether, 18-20 parts of acetone, 0.6-0.8 part of sodium dodecyl sulfate, 40-50 parts of triethylene sulfophosphamide and 9-10 parts of an additive. By selecting the propylene glycol as a chain extender and by the cooperation of a fluorine type flattening agent, the antibacterial waterproof polyurethane coating disclosed by the invention is improved in waterproof effect; by adding the nanometer silver and benzoin, the coating has antibacterial and sterilization effects.
Owner:金林墨

Hydrogen production water ceramic material, and preparation method and application of hydrogen production water ceramic material

The invention discloses a hydrogen production water ceramic material, and a preparation method of the material. The ceramic material is mainly prepared from the following raw materials by weight percentage: 25-50% of tourmaline, 6-12% of medical stone, 5-10% of calcium oxide, 4-8% of calcium carbonate, 3-12% of kieselguhr, 8-18% of quartz sand, 4-8% of chitosan, 14-30% of magnesium metal powder, 1-5% of KDF alloy, 1-5% of antibacterial ingredient and 4-10% of adhesive agent. The hydrogen production water ceramic material can manufacture healthy water integrating functions of hydrogen-rich water, weakly basic water, negative potential water, micromolecular water and the like, and further has sterilization and antibacterial effects. The hydrogen production water ceramic material reacts withthe water to be capable of generating a small amount of hydrogen and micromolecular hydroxyl weakly basic ionized water. After the hydrogen production water ceramic material is put in the water for 3min, a hydrogen molecule content in the water can be greater than or equal to 400ppb; and a pH (potential of hydrogen) value of the water is greater than or equal to 7.4. The preparation method of thehydrogen production water ceramic material is simple in technology and easy to achieve.
Owner:深圳市和之科技有限公司

Preparation method of environment-friendly waterborne coating

The invention discloses a preparation method of environment-friendly waterborne coating. The preparation method comprises the following steps: preparing polyurethane emulsion by taking polyether glycol N220, toluene diisocyanate and dicarboxymethyl propionic acid as raw materials; then taking 5 parts of acrylic acid, 2 to 2.2 parts of acrylamide, 0.5 to 0.9 part of methyl methacrylate, 2 parts ofstyrene and 0.3 to 0.6 part of ethyl acrylate as monomers; adding the monomers into 10 parts of an ammonium persulfate water solution with the mass percent of 0.01 percent; in a reaction process, gradually adding water; then adding the mixture into the polyurethane emulsion; stirring and emulsifying and taking a mixture of SAC-100 and N,N-methylene-bisacrylamide as a cross-linking agent to continually react, so as to prepare acrylic polyurethane emulsion; uniformly mixing 30 to 45 parts of the acrylic polyurethane emulsion, 3 to 5 parts of nano titanium dioxide, 4 to 5 parts of a curing agent,10 to 12 parts of a pigment, 2 to 3 parts of a dispersant, 15 to 20 parts of filling and 55 to 75 parts of water to obtain the waterborne coating. By adopting the preparation method of the environment-friendly waterborne coating, the problem that the system compatibility between acrylic emulsion and polyurethane emulsion is poor is solved.
Owner:CHANGSHA QIUDIANBING INFORMATION TECH CO LTD

Novel automotive air conditioner with photocatalyst function

The invention discloses a novel automotive air conditioner with a photocatalyst function. The novel automotive air conditioner comprises a device shell, a functional circuit and air conditioner grids, wherein the air conditioner grids are arranged on the surface of the device shell. The novel automotive air conditioner is characterized in that a containing box for storing a photocatalyst air purifying liquid is further arranged on the device shell, wherein the photocatalyst air purifying liquid is a liquid spray agent and is prepared from nanometer titania photocatalysts; an atomizing nozzle is further arranged on the containing box and extends to the bottom of the containing box through a guide pipe; the nanometer titania photocatalysts include nanometer titania, nanometer mineral crystal powder, diatomite, tourmaline and polysiloxane clathrate. As the spray agent used in the novel automotive air conditioner is in a moving free state, can be rapidly spread and has the characteristics of large purifying space and user-adjustable scope, the noxious and harmful gases in the air of an automobile can be rapidly and effectively degraded, and the novel automotive air conditioner has the functions of deodorization, mould proofing and air purification and has no toxicity and secondary pollution.
Owner:WM MOTOR TECH GRP CO LTD

Feed additive for preventing and treating bacterial gill-rot disease of ictalurus punctatus and preparation method of feed additive

The invention belongs to the technical field of aquaculture, and relates to a feed additive for preventing and treating bacterial gill-rot disease of ictalurus punctatus and a preparation method of the feed additive for preventing and treating the bacterial gill-rot disease of the ictalurus punctatus. The feed additive for preventing and treating the bacterial gill-rot disease of the ictalurus punctatus is prepared from the following components in parts by mass: 35 to 45 parts of ginger juice, 26 to 32 parts of lalang grass rhizome, 26 to 32 parts of cactus juice, 25 to 33 parts of acorus calamus, 25 to 32 parts of onion juice, 22 to 30 parts of portulaca oleracea, 22 to 28 parts of dark plum, 22 to 28 parts of dried orange peel, 20 to 28 parts of Chinese gallnut, 18 to 28 parts of almond powder, 16 to 26 parts of euphorbia helioscopia, 16 to 26 parts of acanthaceae sericocalyx chinensis, 10 to 18 parts of fish oil and the like. According to the feed additive and the preparation method disclosed by the invention, the occurrence of the bacterial gill-rot disease of the ictalurus punctatus can be effectively prevented; in addition, the bacterial gill-rot disease of the ictalurus punctatus can be effectively treated.
Owner:QINGDAO HAIZHIYUAN INTELLIGENT TECH

Dried orange peel Pu'er tea bag and preparation method thereof

The invention discloses a dried orange peel Pu'er tea bag and a preparation method thereof. The dried orange peel Pu'er tea bag is prepared from the following raw materials in parts by weight: 40-45 parts of Pu'er tea, 5-8 parts of dried orange peel, 10-20 parts of radix puerariae, 4-8 parts of radix astragali, 1-3 parts of inula flowers, 5-10 parts of guavas, 1-3 parts of radix salviae miltiorrhizae and 0.5-1.5 parts of apple mint. The preparation method comprises the following steps of cleaning the raw materials, crushing the cleaned materials, mixing the crushed materials, performing extraction, performing baking, performing steaming and the like so that tea bag fillers are made; and subpackaging the tea bag fillers in the specification of 5g / bag, and performing sterilization under ultraviolet rays of which the ultraviolet wavelength is 200-320nm for 2-3min, so that tea bag finished products are obtained. The dried orange peel Pu'er tea bag disclosed by the invention can promote metabolism and blood circulation, strengthen organism functions, enable people to be energetic, clean the intestine and the stomach, protect heart and cerebral vessels, soothe the nerves and promote sleep; the dried orange peel Pu'er tea bag can solve the skin problems of face ageing, chloasma and the like, and can also recuperate blood and qi; the nutrient value and the utilization rate of the raw materials are high; tea soup has delicate fragrance, is good in mouth feel, and caters to the taste of youngers; and the dried orange peel Pu'er tea bag is convenient to brew and more convenient to drink.
Owner:魏丽雅

Comprehensive treatment method of aquaculture sewage

The invention relates to a comprehensive treatment method of aquaculture sewage. The comprehensive treatment method includes: allowing the aquaculture sewage generated by an aquaculture pond to pass a grille and then enter a precipitation and filtration tank from the water outlet of a sewage collecting tank through a pipeline; evenly mixing the fermentation liquor of spirulina metabolite, enteromorpha prolifera powder and the like and sweet potato powder according to the mass ratio of (12-15):(2-3):(5-6) to obtain a mixture; adding the mixture into the precipitation and filtration tank, stirring, standing for 2-3 hours, filtering the upper-layer seawater in the precipitation and filtration tank through a filtering screen, and pumping the filtered seawater into the aquaculture pond for aquaculture, wherein the mass ratio of the mixture to the aquaculture sewage is 1:(100-150); allowing sludge precipitated to the bottom of the precipitation and filtration tank to enter sludge drying equipment through a sludge pump, dewatering the sludge, and using the dewatered sludge as fertilizer for a seawater pond or as farmland fertilizer after being desalted. The comprehensive treatment method is capable of effectively degrading aquaculture pollution, low in cost and capable of reasonably utilizing the aquaculture sewage.
Owner:TANGSHAN HAIDU SEAFOOD CO LTD

Silkwood waste dust environment-friendly recycling method

The invention relates to the technical field of waste wood dust recovery, in particular to a silkwood waste dust environment-friendly recycling method. The method comprises the steps of (1) crushing and grinding wood dust; (20 conducting enzymolysis on the wood dust through a compound enzyme formed by mixing lignin peroxidase and a lysozyme softening agent; (3) soaking the zymolytic wood dust intoa plant extract, heating, boiling and filtering the wood dust to obtain filter residues, and rinsing, cleaning and drying the filter residues for standby application, wherein the plant extract is mainly prepared from the raw materials such as peach leaves, onions, oleander leaves, lemon peels, tung oil, radix sanguisorbae, radix rubiae, puffball and lemon essential oil; (4) bleaching the wood dust; (5) conducting jordaning, latency elimination, washing, screening and pulping to obtain wood dust serous fluid for paper making. The wood dust serous fluid has special fragrance and has the functions of sterilizing and avoiding ants and cockroaches, so that made-up paper sheets have the special fragrance and can be prevented from being gnawed by the cockroaches and the ants, and the service life of the paper sheets is effectively prolonged. Accordingly, the environment-friendly recycling use value of the wood dust is effectively increased.
Owner:贵港市万升木业有限公司

Water throat antibacterial water purifier

The invention relates to the field of water purifiers, and discloses a water throat antibacterial water purifier. The water throat antibacterial water purifier comprises a conversion mechanism and a water purification mechanism. The conversion mechanism comprises a conversion mechanism shell, a conversion joint, a three-way water tube and a water flow switching part. The three-way water tube is arranged in the conversion mechanism shell, and the three-way water tube is provided with a water inlet, a turning water outlet, a raw water outlet and a water flow switching part mounting opening. The conversion joint is connected with the water inlet; and the water flow switching part controls the water flow direction. The water purification mechanism comprises a water purification shell, an upper cover, a filter core and a filter core mounting seat, and the sidewall of the water purification shell is provided with a connecting tube. The upper cover is arranged in the opening of the top of the water purification shell; and the filter core is arranged in the water purification shell and is fixedly arranged on the filter core mounting seat, the filter core mounting seat is fixedly arranged at the bottom of the water purification shell, and the bottom of the water purification shell is provided with a water outlet. The water throat antibacterial water purifier has the advantages of high filtering precision, convenience in cleaning of the filter core, two water discharging modes, and realization of convenient and timely cleaning and replacing of the filter core through observing the state of the filter core.
Owner:ZHEJIANG WATERHOR ENVIRONMENTAL PROTECTION TECH CO LTD
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