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3195results about How to "Has antibacterial properties" patented technology

Matrimony vine composite health care enzyme and preparation method thereof

The invention discloses a matrimony vine composite health care enzyme and a preparation method thereof. The matrimony vine composite health care enzyme comprises the raw materials of 1-16 parts of matrimony vine, 0-12 parts of red date, 0-1 part of licorice, 0-4 parts of black rice, 0-2 parts of white hyacinth bean, 0-5 parts of oat, 0-5 parts of tartary buckwheat, 0-3 parts of cassia seed, 0-1 part of chrysanthemum, a lot of honey, a lot of granulated sugar, a lot of high fructose corn syrup and a lot of oligosaccharide. The method comprises the following steps: beating matrimony vine and red date, extracting chrysanthemum and licorice, immersing the cereal and steaming, inoculating Aspergillus oryzae and Kluyveromyces Marxianus yeast and fermenting, and performing pulp refining, sterilizing a mixed liquor, and inoculating lactics for enclosed insulation and fermentation to obtain the matrimony vine composite health care enzyme. The matrimony vine composite health care enzyme stock solution can be prepared to a matrimony vine composite health care enzyme concentrated slurry, an enzyme paste and enzyme powder, and the enzyme powder can be prepared to a matrimony vine composite health care enzyme effervescent tablet, a particle electuary, a chewing tablet, a lozenge and a capsule.
Owner:周学义

Low odor, anti-static electricity, red phosphorus flame retardant thermoplastic composition and preparation method thereof

The invention relates to a low odor, anti-static electricity, red phosphorus flame retardant thermoplastic composition and a preparation method thereof, and belongs to the field of polymer modification and processing, which includes the following raw materials: by weight, 40-60% of a nylon resin; 5-10% of a microcapsule red phosphor masterbatch; 3%-8%of a compatibilizer; 5-40% of padding; 1-5% of modified activated zeolite powder; 0.5-2% of nanometer magnesium oxide; and 0-5%of other auxiliaries. The modified activated zeolite powder is activated by a natural zeolite powder, and then modified by a cationic surface active agent. According to the low odor, anti-static electricity, red phosphorus flame retardant thermoplastic composition and the preparation method thereof, the low odor, anti-static electricity, and high stability red phosphorus flame retardant thermoplastic composition is prepared by adding the modified activated zeolite powder on the basic formula of the red phosphorus flame retardant thermoplastic composition and simultaneously has a certain antibacterial effect; the thermoplastic composition is capable of being prepared into various sample pieces through extrusion molding, and suitable for coal mine underground equipments, textile equipments and medical health instruments.
Owner:SHANGHAI PRET COMPOSITES

Ceramal material for manufacturing hydrogen-enriched water and preparing method and application thereof

The invention belongs to the technical field of new environment-friendly materials, and particularly relates to a ceramal material for manufacturing hydrogen-enriched water and the preparing method and application thereof. The ceramal material is prepared from, by weight, 30-85 parts of base material component, 20-60 parts of hydrogen-enriched component, 2-25 parts of anti-microbial component, and 3-30 parts of binder. The base material component is prepared from tourmaline, serpeggiante, silicon oxide, calcium oxide and zeolite. The hydrogen-enriched component is prepared from magnesium metal powder, magnesia powder and KDF alloy powder. The anti-microbial component is prepared from zinc oxide, titanium oxide and cerium oxide. The binder is prepared from one or more of high-purity distilled water, carboxypropyl cellulose and bentonite. The ceramal material can be used for manufacturing alkalescent water, negative-potential water and hydrogen-enriched water and also has an anti-microbial function and a water activating function. The invention further provides the preparing method and application of the ceramal material. The technology is simple and easy to realize. The ceramal material can be applied to products including water purifiers, water purifying kettles and cups.
Owner:山东木齐健康科技有限公司

Nanometer photocatalyst material supported embedded composite film and preparation method and application thereof

The invention discloses a method for preparing a nanometer photocatalyst material supported embedded composite film. The method comprises the following steps: dissolving an organic polymer base film material, a pore-forming agent and a nanometer catalyst in a solvent, stirring and standing to prepare a casting film solution; dispersing the nanometer photocatalyst in the solvent to obtain dispersion liquid, spreading the dispersion liquid on a plate to prepare a spreading solution, and drying the spreading solution to obtain a spreading film; and covering the spreading film with the casting film solution, scraping a liquid film by utilizing a film scraper, immersing the scraped liquid film in a constant temperature gel bath, and curing the liquid film to prepare the nanometer photocatalyst material supported embedded composite film. The invention also provides the nanometer photocatalyst material supported embedded composite film and application thereof. According to the method, a nanometer photocatalyst coating is uniformly, effectively, stably and firmly supported on the surface of the embedded composite film. Moreover, according to the composite film, the removal rate of pollutants is effectively improved, and film pollution is reduced.
Owner:SHANGHAI JIAO TONG UNIV

Biodegradable Mg-Gd-Zn-Ag-Zr series magnesium alloy and preparation method thereof

InactiveCN103184379AAccelerated corrosionUniform corrosion morphologySurgerySimulated body fluidIntravascular stent
The invention relates to biodegradable Mg-Gd-Zn-Ag-Zr series magnesium alloy and a preparation method thereof in the technical field of medical alloy. The alloy consists of Gd, Zn, Ag, Zr and Mg in percentage by weight: 5-10 percent of Gd, 0.5-3 percent of Zn, 0.1-1 percent of Ag, 0.1-1 percent of Zr and the balance of Mg. Through reasonably designing the alloy elements, a long-period stacking order structure (LPSO structure) is formed in an alloy structure; and with the adoption of the structure, the alloy can be strengthened and toughened, and the corrosion resistance and the local corrosion resistance of the alloy can be improved. Through deformation processing and heat treatment, the strong toughness and the corrosion resistance of the magnesium alloy can be further improved. The magnesium alloy provided by the invention is uniformly corroded in simulated body fluid, so that the overall failure of an implant material due to local corrosion is avoided, and no remarkable cytotoxicity exists; and the magnesium alloy can be used as a fixed implant material in the department of orthopedics. After solid solution treatment, the biodegradable Mg-Gd-Zn-Ag-Zr series magnesium alloy has good secondary shaping capability and can be used as an implant material in a blood vessel.
Owner:JIANGSU KONSUNG MEDICAL EQUIPMENT CO LTD +1

Polymer composite function fibers containing partial graphene, and preparation method thereof

The present invention discloses a polymer composite function fibers containing partial graphene, and a preparation method thereof. The fibers comprise a component A and a component B, wherein the component A and the component B are combined in a partial exposing manner, side-by-side manner or skin-core manner, and 20-100% of the outer area of each fiber is the component B. The method comprises: crystallizing a polyester containing 0.1-1 wt% of partial reducing graphene and a polyester containing 4-20 wt% of a nanometer composite filler containing partial reducing graphene and TiO2, drying, carrying out melt composite spinning, and carrying out drawing and relaxation heat setting at a temperature of 80-160 DEG C, and reducing the partial graphene in the fibers to achieve the carbon/oxygen atom ratio of 9/1-15/1 through the reducing treatment. According to the present invention, the prepared fibers can be produced at the high spinning speed, and the production efficiency is high; and the fibers have characteristics of low single fineness, high strength and lower resistivity, meets the antistatic requirement, and further has characteristics of anti-bacterial property and flame retardant property so as to provide good application prospects.
Owner:NINGBO MYBABY BABY & CHILDREN PROD MFG

Bacterial cellulose/collagen-chitosan composite material and preparation method thereof

The invention discloses a bacterial cellulose/collagen-chitosan composite material and a preparation method thereof. The method comprises the following steps of: 1) preparing bacterial cellulose and purifying the prepared bacterial cellulose; 2) fully immersing collagen into a bacterial cellulose network by a negative-pressure osmose process or a positive-pressure method, and crosslinking collagen in the bacterial cellulose/ collagen composite material by using a cross-linking agent to obtain a bacterial cellulose/ collagen interpenetration network composite material; and 3) removing the unreacted cross-linking agent from the composite material, and soaking in an antibacterial agent solution of chitosan or the derivative of chitosan to prepare the composite material with an antibacterial effect. The bacterial cellulose/collagen composite material is prepared by the negative-pressure method or the positive-pressure method, so that the defect of insufficient immersing amount of collagen in other preparation methods is overcome, and the problems of poor effect, long production cycle and high cost are solved; and the prepared composite material is excellent in mechanical property, high in water permeability, high in air permeability, high in biocompatibility, high in biological activity and high in antibacterial property.
Owner:SOUTH CHINA UNIV OF TECH

Slowly-releasing health-care liquid special for directly-spraying landscape plants and preparation method and use thereof

The invention relates to slowly-releasing health-care liquid special for directly-spraying landscape plants and a preparation method and use thereof; fertilizer on the market is highly-enriched fertilizer and is mainly used for agricultural production; the fertilizer needs to be diluted 300-2000 times of spray and is characterized by difficult use and easy waste; a product with lower concentration is provided by the invention; the product is directly sprayed to garden flowers, bonsai, lawn and family crops by non-professionals without dilution; the concentration of film forming material provided by the invention is 500-1000 times higher than that of highly-enriched fertilizer so as to form relatively thick breathable film; nutrient substance is contained in films so as to achieve slowly releasing effect and achieve healthy growth, green keeping and freshness retaining effect of the landscape plants; a relatively thick film has antibacterial action and has a certain pest-resistant effect; traditional fertilizer belongs to ''food'' of plants; the slowly-releasing health-care liquid is ''health care products'' of the landscape plants and is applied to the landscape plants such as flowers, bonsai, seedlings, lawn and the like and is also suitably used for family crops which have view and admire as a main function.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Coating as well as preparation method and application thereof

The invention relates to the field of microwave ovenware coatings, and discloses a coating which comprises a wave-absorbing material and an adhesive, wherein the adhesive is at least one of titanium dioxide sol, silicon dioxide sol, aluminum oxide sol and silicon-aluminum sol. The invention further discloses a preparation method of the coating. The preparation method comprises the following step: in the presence or absence of an additive, mixing the wave-absorbing material with the adhesive. In addition, the invention discloses an application of the coating in preparing microwave ovenware. As the sol is taken as the adhesive, dispersion of the wave-absorbing material can be improved, a thinly coated layer without resin and an ovenware coating which is good in wave absorbing property and antibacterial property can be prepared, problems (that is, when a conventional ovenware wave-absorbing material is used at a relatively high temperature, harmful substances can be easily generated, the conventional ovenware wave-absorbing property and antibacterial property are poor, the appearance attractiveness can be affected and the like) of the conventional ovenware wave-absorbing material can be comprehensively solved, relatively good product experience can be brought to an ovenware user, and thus more and more customers are willing to make baked and barbecue food by using the ovenware.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1

Environment-friendly antibacterial and mildew-proof wallpaper

The invention provides environment-friendly antibacterial and mildew-proof wallpaper. The environment-friendly antibacterial and mildew-proof wallpaper comprises a base layer, wherein the back face of the base layer is provided with a waterproof coating; a coating layer is arranged on the base layer; a bamboo charcoal fiber layer is arranged on the coating layer; an antibacterial layer is arranged on the bamboo charcoal fiber layer; a diatomite adsorption layer is arranged on the antibacterial layer; a printing embossing layer is arranged on the diatomite adsorption layer and is coated with a mildew resisting coating; a polytetrafluoroethylene layer is arranged on the mildew resisting coating and is provided with a film coating layer. The wallpaper is provided with the coating layer, the antibacterial layer and the bamboo charcoal fiber layer, and the triple effect enables the wallpaper to have a good antibacterial property; the coating layer and the mildew resisting coating are arranged so that the wallpaper is good in mildew resistance; furthermore, the diatomite adsorption layer is arranged so as to further enhance the deodorization capability of the wallpaper; finally, the wallpaper provided by the invention has good antibacterial, mildew-proof and deodorization performance.
Owner:苏州苏尔达包装科技有限公司

Graphene-based haze-resisting mask filtering material and preparation method thereof

The invention relates to a graphene-based haze-resisting mask filtering material and a preparation method thereof. The material has a three-dimensional graphene sponge structure assembled from graphene oxide. The method and an application comprises the following points: (1) cross-linking agents such as ascorbic acid are added into a graphene oxide water solution; with a hydrothermal reaction, graphene slices are subjected to self assembly, such that porous spongy three-dimensional graphene is obtained; (2) the porous spongy graphene has good mechanical strength, and can be cut into different shapes; (3) the structure of the graphene sponge can be regulated through changing the size of graphene oxide and the addition amount of the cross-linking agents; (4) the porous spongy graphene has high specific surface area and relatively high quantity of surface functional groups; and the porous spongy graphene has high absorption effect and certain bacteria resistance. The preparation process of the graphene absorption material has simple process and low cost. With the method, graphene sponge pore size can be regulated. The graphene sponge can be used as a mask filtering sheet which can effectively filter air pollutants such as PM2.5 particles, and can be used in the fields such as dye and oil dirt absorption.
Owner:杜茂龙
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