598results about How to "Has antibacterial function" patented technology

The invention relates to antibacterial viscose containing an artemisia argyi oil component and a production method of the antibacterial viscose. The antibacterial viscose takes an artemisia argyi oil microcapsule as an antibacterial agent and a spinning solution is composed of the artemisia argyi oil microcapsule and mucilage glue, wherein the adding ratio of the artemisia argyi oil microcapsule is 10%-30% of alpha cellulose in the mucilage glue and the antibacterial property index are as follows: the antibacterial value is more than 4.0 and the sterilization value is 2.7. The production method of the antibacterial viscose containing the artemisia argyi oil component comprises the following steps: preparing artemisia argyi emulsion, preparing the artemisia argyi oil microcapsule, preparing the mucilage glue, preparing the spinning solution, and spinning and molding. The antibacterial viscose not only has the advantages of maintaining water absorption and air permeability of common viscose and being comfort to wear, but also has high antibacterial rate and good endurance; meanwhile, the antibacterial viscose has a good skin-caring effect and can be widely applied to home textile articles, underwear, sports shirts and the like.

The invention relates to a process for preparing polyolefin antibacterial permeability membrane, which consists of mixing 10-30 contents of nanocalcium carbonate and 10-65 contents of heavy calcium carbonate first, adding 0.1-10 contents of unsaturated acid monomer, 0.1-20 contents of long fatty chain monomer, 0.001-5 contents of initiating agent, 0.1-10 contents of polyethersulphonate and 0.1-20 contents of macromolecular coupling agent and 5-80 contents of polyolefin resin, first preparing predisperse masterbatch of mixed calcium carbonate in the twin-screw extruder, afterwards, mixing 20-80 contents of predisperse masterbatch of mixed calcium carbonate, 0.1-5 contents of hole leveler, 0.1-0.5 contents of anti-oxidant, 2-20 contents of compound antibacterial mother particle and 20-70 contents of polyolefin resin in high-speed mixer, squeezing the prill by twin-screw extruder, drying and vacuum-packing, obtaining the special material of antibacterial permeability membrane. The invention is characterized in that the interactive condition between the polyolefin and calcium carbonate is strong, the filling material is readily dispersed in the polymeric matrix, the special material of permeability membrane can not only form film using doctor-blading process, but also can form film using blowing process, the pore diameter of the said permeability membrane is uniform, and its antibacterial behavior is excellent.

The invention discloses a method for preparing a nanofibre membrane, belonging to a technique for preparing a nanofibre compound membrane. The method comprises the following steps: preparing curcuminethanol solution and chitosan acetum, mixing the curcumin ethanol solution and the chitosan acetum by the volume ratio thereof to prepare spinning solution which is injected into an injector of an electrostatic spinning device for electrostatic spinning to form a compound nanofibre membrane and to obtain a curcumin/chitosan nanofibre membrane of antibacterial property, wherein the diameter of thecurcumin/chitosan nanofibre membrane is 200-400 nm. The invention has the advantages that the preparation process is simple, the prepared membrane material heals wound, has broad spectrum bactericidalproperty and has higher bacterial inhibition rate to colibacillus and staphylococcus aureus for 24h.

The invention discloses a preparation method of a nano silver antibacterial mother liquor through two-step polymerization, belonging to the field of nano materials. The preparation method comprises the steps of: firstly initiating oil-soluble monomers to polymerize in an aqueous solution by using an oil-soluble initiator to obtain a polymer core; then adding water-soluble monomers to polymerize into a polymer shell; and adding silver nitrate and then reducing to finally obtain the nano silver antibacterial mother liquor with good antibiotic property. The nano silver antibacterial mother liquor uses core-shell-structure polymer latex particles as the carrier so that the mother liquor has good stability. The preparation method of the nano silver antibacterial mother liquor through two-step polymerization has low preparation cost and a simple production process; the silver nano particles are not easy to agglomerate and can exist stably for a long time; the latex cannot be deteriorated and can be stored for a long time; and meanwhile, the nano silver antibacterial mother liquor is not sensitive to pH and temperature, has a good antibacterial effect and a wide range for later-stage application. The nano silver antibacterial mother liquor is mixed with a commonly used commercial water-based paint so that the paint without an antibacterial effect has good antibacterial property; and meanwhile, the diluted nano silver antibacterial mother liquor is coated on the wall surface of the water-based paint so that the same extremely good antibacterial effect is detected.

The invention discloses a preparation method of an anti-oxidation and anti-pollution multi-nutrient block for dairy cows, belonging to the technical field of a block for the dairy cows. The method takes molasses, urea, vitamins and mineral elements as main raw materials; the anti-oxidation and anti-pollution multi-nutrient block is prepared by scientifically compounding natural antioxidant substances, Chinese herb extracts and seasoning extracts; the prepared multi-nutrient block for the dairy cows is moderate in hardness, dampproof, breakage-proof and high in weather fastness; the lapping surface of the block is low in bacterial content which is 1.5 per ten thousand of a comparison group; after the multi-nutrient block is used, the milk yield of the lactating dairy cows can be remarkably increased by 19.02%, the first estrus time is shortened by 13 days after parturition of the dairy cows, the conception rate of the dairy cows at the first estrus period is increased by 16.5% after parturition of the dairy cows, the oestrus proportion of the postpartum dairy cow group is increased by 18.4%, the feed intake and the immunity of the organism of the dairy cows can be effectively improved, the occurrence rates of nutritional diseases such as abnormal addiction disease, foot rot, white muscle disease, postpartum paralysis, rickets, mastitis, coarse fur and the like of the dairy cows can be remarkably reduced, and the occurrence rates are averagely reduced by 3.3-16.7%.

The invention belongs to the technical field of agricultural microorganisms, in particular to Bacillus velenzensis and application thereof to biological control. The Bacillus velenzensis disclosed bythe invention is Bacillus velezensis Bv-6, and a preservation number is CCTCC NO:M20191106. The Bacillus velenzensis fermented solutions or powder can effectively inhibit growth of mycelia of important pathogens (Sclerotinia sclerotiorum(Lib.)de Bary, Botrytis cinerea Pers. and Blackleg) on rapes, and germination of conidiophores and ascospores; and through seed soaking treatment of the fermentedsolutions, the seeds of the rapes can be normally germinated and grown, and the edisease resistance of plants can be improved. In addition, the Bacillus velenzensis has the characteristics of being high in proliferation speed, high in stability, high in temperature resistance and free of toxicity. Therefore, the Bacillus velezensis strain Bv-6 has the potential of developing and utilizing the function of the biological control.

The invention discloses a composition of an air-conditioning filtering net material with function of improving negative ions and radon, a preparation process method and application. The net material has functions of benefiting human health and protecting the environment by clearing the air, removing bacteria, increasing negative ions, improving radon content and the like. The net material can be machined into the air-conditioning filtering net material with health and environmental protection functions, an air purifier, a dust collector net material and a transportation tool filtering net material. The material has the characteristics of simple preparation process, little energy consumption, low manufacturing cost, convenient use, high efficiency, environmental protection and the like.

The invention discloses antibacterial fibers with a copper-based metal organic framework. The antibacterial fibers with the copper-based metal organic framework are prepared from 80-99.9% of polyester, 0.1-20% of a copper-based metal organic framework material and an antibacterial agent, wherein the antibacterial agent is at least one of a quaternary ammonium salt antibacterial agent of vitamin C at the mass percent concentration of 5-20% and a halamine antibacterial agent of vitamin C at the mass percent concentration of 5-20%. A method for preparing the antibacterial fibers comprises the steps that the copper-based metal organic framework material and polyester are subjected to melt spinning with a spinning machine, and copper-based metal organic framework and polyester composite fibers are obtained; the copper-based metal organic framework and polyester composite fibers are steeped into the antibacterial agent, then rinsing and drying are carried out, and the antibacterial fibers with the copper-based metal organic framework are obtained. The obtained antibacterial fibers with the copper-based metal organic framework have good antibacterial performance and are simple in preparing method.

The invention discloses a high-performance metal cutting fluid including following raw materials, by weight: 3-15 parts of an oleamide-based nonionic surfactant, 5-12 parts of twain, 10-25 parts of dodecyl aminopropionic acid, 5-10 parts of a betaine-typed ampholytic surfactant, 10-20 parts of sodium alkyl benzene sulfonate, 1-10 parts of sophorolipid, 10-25 parts of a water-soluble lubricant, 5-18 parts of triethanolamine oleate, 5-15 parts of sodium borate, 1-5 parts of benzotriazole, 5-20 parts of cyclohexanehexol phosphate, 8-25 parts of an organic borate, 5-15 parts of a molybdate, 3-8 parts of copper citrate, 3-10 parts of a chelating agent, 3-10 parts of sodium citrate, 4-15 parts of citric acid and 80-150 parts of water. The high-performance metal cutting fluid is excellent in cleaning performance, corrosion-resistant performance, cooling performance, lubricating performance and anti-hard-water performance, is stable when being stored and is suitable for various materials.

The invention provides a multifunctional viscose with functions such as temperature regulation and bacterium resistance, a preparation method of the viscose and a fabric. The multifunctional viscose comprises a graphene component and phase-change microcapsule particles; the phase-change microcapsule particles comprise polymer capsule walls and phase-change materials embedded in the polymer capsule walls; the phase-change materials are selected from one or more of n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane and polyethylene glycol E600. According to the multifunctional viscose, by mainly using the heat storage function of the phase-change materials and the heat conduction function of graphene, the viscose can regulate the temperature and balance the heat. The graphene component has the bacterium resistance and far-infrared transmission capacities. When the multifunctional viscose is used as the garment fabric, the temperature and humidity micro-environment of the human body can keep balance, the human body keeps a good and comfortable wearing environment as long as possible, the multifunctional viscose has the bacterium resistance function, and the health of the human body is protected.

The invention relates to a health-care mattress, comprising an upper layer, a bottom layer and an interior core arranged between the upper layer and the bottom layer; wherein the upper layer comprises an anti-fouling fabric layer, an upper polyester silk layer, a lower polyester silk layer, a functional cotton layer and a polyester silk layer, and the lower polyester silk layer is provided with a plurality of flexible rod like permanent magnetic strips arranged at uniform intervals; the interior core comprises an upper non-woven fabric layer, an elastic sponge layer, a bridging layer and a lower non-woven fabric layer, the bridging layer is internally provided with a plurality of lines of cross permanent magnetic strips, and the elastic sponge layer is paved with a wool layer; and the bottom layer comprises a polyester silk layer, an elastic sponge layer and an anti-slip layer. The invention also relates to a manufacturing method of the health-care mattress. The 'far infrared ray, anion and silver ion' compound functional fiber adopted by the invention not only has bacteriostatic activity but also can permanently release far infrared ray and anion which are beneficial to human body; and the mattress of the invention also has a constant permanent magnetic field in certain strength and has favourable curative effect on acupuncture points of the human body. Thus, the mattress of the invention has multiple health-care functions.

The invention discloses an anti-oxidization and anti-pollution compound nutritional block for dairy cattle and an application thereof, belonging to the technical field of blocks for the dairy cattle. The anti-oxidization and anti-pollution compound nutritional block takes molasses, urea, vitamins and mineral elements as main raw materials; a natural antioxidant substance, a traditional Chinese medicine extract and a condiment extract are scientifically compounded and the prepared compound nutritional block for the dairy cattle has moderate hardness, is moisture-proof and breakage-proof and has strong weather resistance; the content of infectious microbes of a lapping face of the block is low and is 0.015% of control group; the milk yield of milk secretion dairy cattle can be obviously improved by 19.02%; the first estrus time can be shortened for 13 days after delivery of the dairy cattle, the conception rate of the dairy cattle at a first estrus period after delivery is improved by 16.5% and the estrus rate of the dairy cattle crowd after delivery is 18.4%; the feed intake of the dairy cattle and the organism immunity of the dairy cattle can be improved effectively; the occurrence rates of nutritional diseases including dairy cattle allotriphagia, hoof rot, white muscle diseases, paralysis of the dairy cattle after delivery, rickets, mastitis, rough fur and feather and the like are reduced obviously and are averagely reduced by 3.3-16.7%.

The present invention relates to a preparation method of polyurethane anti-bacterial aromatic microcapsule. Its raw material includes oil phase and water phase, in which the oil phase is formed from polyisocyanate, essence, inorganic anti-bacterial agent and cyclohexane, and the water phase is composed of sodium hydroxide, sodium alginate and deionized water. Its preparation method includes the following several steps: adding polyethylene glycol and acetone into oil phase, mixing them and drop-adding the obtained mixture into water phase for 1.5-2hr, stirring speed is 400-600 rpm at 40-60deg.C, after the drop-addition is completed, heating to 50-70deg.C, making reaction for 1-1.5hr, filtering the obtained product so as to obtain the invented product white emulsion. The grain size of said microcapsule prepared by using the invented method is 20-4 micrometers.

The invention discloses a colorful antibacterial fiber with high-wet conductivity and the corresponding spinning method. The antibacterial fiber is made of 85 to 95 polyester slices, four to six color masterbatches and four to five nano-silver ion antibacterial masterbatches through processes of drying, mixing and melting treatment, pre-filtering, spinning, oiling and winding, etc., base on which, the spun fiber has relatively high filling rate in unit area; the weaved fabrics has good capillary effect, air permeability, little contact area with skin and relatively high wearing comfort when wearing, thus being favorable to the health of people.

The invention disclose an antibacterial shape memory polyurethane orthopedic, fixing and rehabillitative plate and preparation method, wherein the sheet material comprises shape memory polyurethane 95-75 weight parts, antibacterial agent 1.5-3 weight parts, mineral filler 5-25 weight parts.

A multi-functional honeycomb cotton warm-keeping floc, which includes a surface fiber web, a middle layer fiber web, and an inner layer fiber web from top to bottom, wherein the middle layer fiber web is honeycomb cotton formed by carding and then vertically laid. The surface fiber web and the inner layer fiber web are fiber webs that are carded or air-laid and then cross-laid. An upper bonded fiber web can be added between the surface layer fiber web and the middle layer fiber web. A lower bonded fiber net can be added between the layer fiber nets, and evenly distributed thin magnets are embedded on the top surface of the middle layer fiber net. During production, each fiber web is prepared first, then compounded into one, and finally dried, cooled, and wound to obtain a finished product. This design is not only strong in warmth retention, good in elasticity, and capable of withstanding relatively large tensile forces in the horizontal direction, but also has antibacterial and magnetic therapy functions, and is easy to popularize and apply.

The invention discloses blended yarn with anti-bacterial, health care and humidity adjusting effects, which comprises the following components by weight percent: 30 to 35 percent of pearl fiber, 25 to 30 percent of aloe fiber, 35 to 40 percent of bamboo charcoal fiber. The blended yarn has the anti-bacterial, humidity adjusting and health care effects.