45 results about "Anti bacterial" patented technology

RO membranes using chlorinated water as a feed stream maybe protected from damage by the chlorine with a protective layer including reactive nitrogen which forms chloromines on the surface of the membrane that reduce chlorine penetration. This protective layer also provides substantial anti-fouling capabilities, whether used with a chlorinated or unchlorinated feed stream because the chloramines are anti-bacterial. Although chlorine is lost in use, the anti-fouling layer or coating can be recharged with additional chlorine without damaging the discrimination layer. The anti-fouling layer or coating may be advantageously used with Thin film composite, TFC, membranes for use in forward and reverse osmosis may include nanoparticles, monohydrolyzed and/or di-hydrolyzed TMC, and/or alkaline earth alkaline metal complexes or other additives.

The present invention relates to a method for preparing tempered anti-bacterial self-cleaning glass. Said method utilizes one-step heat treatment process to make the titanium dioxide base film coated or plated on the glass surface be sintered and converted into anatase crystal type to implement glass tempering so as to obtain the transparent tempered bacteria-killing self-cleaning glass product with good photocatalytic activity photosuperhydrophilicity and anti-bacterial function. Besides, said invention also provides its application range.

A method of preparation of a treated Spirulina compound includes the steps of rehydrating desiccated Spirulina, stressing the culture and freeze drying to a powder. The resultant compound has activity as an anti-viral compound and an anti-bacterial compound. It is capable of effecting repair of skin defects in mammals and acting as a preventative agent to skin defects.

The invention belongs to the technical field of regenerated fibers, and particularly relates to an antibacterial and antiviral regenerated cellulose fiber and a preparation method thereof. The antibacterial and antiviral regenerated cellulose fiber comprises a viscose fiber, a single-layer capsule wall composite microcapsule and a double-layer capsule wall composite microcapsule; capsule cores inthe single-layer capsule wall composite microcapsule and the double-layer capsule wall composite microcapsule independently comprise plant antibacterial and antiviral extracts and vitamins; componentsof a capsule wall of the single-layer capsule wall composite microcapsule comprises beta-cyclodextrin, a capsule wall of the double-layer capsule wall composite microcapsule comprises an inner-layercapsule wall body and an outer-layer capsule wall body, components of the inner-layer capsule wall body comprise beta-cyclodextrin, and components of the outer-layer capsule wall body comprise porousstarch; and the capsule wall of the single-layer capsule wall composite microcapsule is grafted and cross-linked with a bonding fiber, and the capsule wall of the double-layer capsule wall composite microcapsule is grafted and cross-linked with the viscose fiber. The antibacterial and antiviral regenerated cellulose fiber can avoid the loss of effective components; and meanwhile, the persistence of the effective components in playing a role can be improved.

The invention belongs to the technical field of food processing, and particularly relates to a processing method for salted eggs. The processing method for salted eggs comprises the following steps: egg pretreatment, preparation of pickling liquid and finished product pickling. On one hand, dressing warps outsides of eggs to reduce permeation speed of salt, and thus, the circumstance of hardeningof yolks in the salted eggs due to too fast salt permeation is prevented favorably; and on the other hand, fructus forsythiae and honeysuckle which have anti-bacterial and bacteriostatic effects are added in the pickling liquid, and thus, the circumstance that the quality of the salted eggs is affected by lots of bacteria in the pickling liquid is avoided; and by improvement in the two aspects, the salt content in the eggs is moderate, the salted eggs taste good, the yolks are in the shape of fluid, and the quality is high.

The invention belongs to the field of high-molecular compounds obtained through a carbon-carbon unsaturated bond reaction, and particularly relates to a soluble silver ion-containing polymerizable monomer, a preparation method thereof, a silver-containing polymer and an antibacterial coating. The soluble silver ion-containing polymerizable monomer can be dissolved in water or an organic solvent, and has a structure of A(AgLn)x, wherein L is a ligand capable of being complexed with silver, n is the number of ligands, A is an acid radical ion, and x is the number of acid radical negative charges; wherein at least one of A and L contains a carbon-carbon double bond. According to the soluble polymerizable monomer containing the silver ions, the polymerizable monomer containing the silver ionsis prepared in a complexing mode, and the silver ions are combined to carbon-carbon unsaturated bonds in a covalent bond or ionic bond mode. The polymerizable monomer can be dissolved in water or an organic solvent, and a silver ion-containing aqueous solution coating, a silver ion-containing organic solvent coating or a silver ion-containing emulsion coating can be conveniently obtained in a homopolymerization or copolymerization mode.

The invention discloses a wound protecting composition with bleeding-stopping and anti-bacterial functions and a preparation method of the wound protecting composition. The wound protecting composition comprises the following steps: (1) preparing an organic high molecular mixed solution; (2) adding one or two of chitosan and chitin into acetic acid, ethanol and water so as to prepare a bleeding-stopping and anti-bacterial material solution; (3) carrying out multi-spray-head electrostatic spinning so as to prepare a composite fiber material; and (4) drying the composite fiber material, removing residual solvents, and carrying out hot-press shaping, so as to prepare the wound protecting composition with the bleeding-stopping and anti-bacterial functions. The wound protecting composition disclosed by the invention has good bleeding-stopping and anti-bacterial effects, can be used for cleaning wounds and is good in biocompatibility; the water absorption rate is obviously increased, the bleeding-stopping time is greatly shortened, and the wounds are further protected.

The invention discloses a method for manufacturing toothpicks through utilizing waste bamboos. The method comprises the following steps that firstly, materials are selected, specifically, the waste bamboos are selected and collected, and a cutting device is used to cut the intact parts of the waste bamboos down. According to the method for manufacturing the toothpicks through utilizing the waste bamboos, the waste bamboos are taken to manufacture the toothpicks, so that the waste resources are recycled for the second time, and the utilization rate of the resources is greatly improved; the methods of airing, washing and sterilizing are provided in the process so that impurities on the outer surfaces of the waste bamboos can be effectively removed, some bacteria inside the waste bamboos arekilled, and the utilization hygiene and the safety of the waste bamboos are ensured; and the procedure of bamboo fire adding exists in the process, bamboo fiber has the characteristics of being good in air permeability, instantaneous in water absorption, good in wear resistance, good in dyeing property and the like, and has the effects of natural antibacterial, anti-bacteria, mite removing, deodorization and anti-ultraviolet light, the preservation time of the toothpicks is greatly improved, the toothpicks can still maintain the structural strength of the toothpicks even after the toothpicks is preserved for a long time, and the cracked condition cannot be easy to occur.

The invention relates to an active carbon antibacterial health ceramic and a preparation method thereof, which belong to the field of ceramic processing. The ceramic comprises the following components in parts by weight: 50-80 parts of ceramic clay, 15-25 parts of quartz, 1-10 parts of potassium feldspar, 1-10 parts of activated carbon, and 0.001-0.005 part of nano-silver. The preparation method comprises four steps: preparation of a blank body, preparation of glaze, glazing, and calcining. The ceramic is reasonable in price, significant in health efficacy, and excellent in antibacterial properties.

The invention relates to flame-retardant and antibacterial polyester fiber for mattress filling and a manufacturing method of the fiber, and belongs to the technical field of polyester fiber fillers. The manufacturing method of the flame-retardant and antibacterial polyester fiber for mattress filling comprises the steps of step I, raw material treatment; step II, PET resin modification; step III, polyester fiber modification; step IV, loosening. According to the flame-retardant and antibacterial polyester fiber for mattress filling and the manufacturing method of the fiber, blending modification of nano-montmorillonite, nano silica micro powder, HAPCP and PET resin is adopted, the polyester fiber with permanent flame retardant performance is prepared, and then the polyester fiber is endowed with excellent antibacterial property and comfort through immersion treatment of treating fluid. Besides, the flame-retardant and antibacterial polyester fiber for mattress filling has excellent heat retention property, mildew resistance and antibacterial activity, and at the same time, the mechanical property of the polyester fiber is improved greatly.

An objective of the present invention is to provide carbapenem derivatives which have strong antibiotic activity also against MRSA, PRSP, Influenzavirus, and β-lactamase producing bacteria and are stable to DHP-1. The carbapenem derivatives according to the present invention are compounds represented by formulae (I) and (II) or pharmaceutically acceptable salts thereof:

wherein R¹ represents H or methyl, R² and R³ each independently represent H; halogen; substituted or unsubstituted alkyl; cycloalkyl; substituted or unsubstituted alkylcarbonyl; carbamoyl; substituted or unsubstituted aryl; substituted or unsubstituted alkylthio; morpholinyl; alkylsulfonyl; or formyl, n is 0 (zero) to 4, and Hy represents a substituted or unsubstituted monocyclic or bicyclic heterocyclic group.

The invention discloses a compound clobetasol propionate nano-medicament of which the particle size is 1-100 nanometers. The medicament consists of the following components in percentage by weight: 10.0-50 percent of surfactant, 0-8 percent of cosurfactant, 0.5-20 percent of oil, 0.001-4.0 percent of amitraz, 0.001-4.0 percent of clobetasol propionate, 0.001-10 percent of terbinafine and the balance of distilled water, wherein the total percentage by weight of the components is 100 percent. The medicament has the effects of resisting bacteria, diminishing inflammation, relieving itching and pain, killing mites and treating fungal diseases, eczema and various types of dermatitis caused by fungi such as dermatophyte, microsporosis capitis, acrothesium floccosum, microzyme of monilia and chaff ringworm fungus, and the like. The medicament is a yellow or colorless clear transparent liquid and has the advantages of high stability, high wetting property, good transdermal effect, nontoxicity, non-irritation, high safety, easiness for preparing, low cost and convenience for popularizing.

The invention discloses a seafood fresh-keeping agent capable of removing a peculiar smell. The seafood fresh-keeping agent is prepared from the following substances in parts by weight: 80 to 90 partsof deionized water, 10 to 20 parts of potassium sorbate, 2 to 5 parts of an antioxidant, 1 to 4 parts of porous silicon dioxide, 0.1 to 0.3 part of natamycin and citric acid for regulating pH (Potential of Hydrogen) to be 4.0 to 5.0. The potassium sorbate and the natamycin which have an anti-bacterial effect are added in the seafood fresh-keeping agent, so that propagation of bacteria in seafoodcan be effectively inhibited. In addition, oil-soluble vitamin C having oxidation resistance is also added in the seafood fresh-keeping agent, and the vitamin C is adsorbed to the porous silicon dioxide, so that a sustainable anti-oxidant function is expressed. According to the seafood fresh-keeping agent disclosed by the invention, a sour formula is adopted, and decomposition of an odor source-chlorinated trimethylamine in the seafood is also inhibited to a certain degree. The seafood fresh-keeping agent not only is capable of expressing anti-corrosion and fresh-keeping effects of the seafood, but also is capable of effectively reducing a peculiar smell of the seafood.

The invention discloses a production process of an environment-friendly water-based anti-corrosion coating. The production process comprises the following steps: adding deionized water and an SN-5027 water-resistant dispersant into a paint preparation tank, fully and uniformly stirring, further putting attapulgite, iron oxide red powder, aluminum tripolyphosphate, mica powder, an AMP-95 additive, a defoaming agent and the like into the paint preparation tank, uniformly stirring, then grinding by a sand mill to the fineness of not more than 30mu m, further adding a self-crosslinked and modified styrene-acrylate emulsion, a mildew-proof and anti-bacterial agent and other additives into the paint preparation tank, fully and uniformly stirring, regulating viscosity with the deionized water till the coating is qualified, filtering and packaging. The produced coating has the characteristics of high drying speed, great anti-rust and anti-corrosion properties, and excellent heat resistance, resistance to brine and resistance to a nitrocellulose coating, thereby meeting the requirements on a dip coating line of a cast iron housing of a diesel engine that emulsification-resistant cutting fluid, 30# mechanical oil and a hot washing solution at 90 DEG C have no sticking, decoloring and blistering and other quality indexes during soaking and rinsing.

The present disclosure provides a method for preparing an antibacterial 3D printing material, wherein the antibacterial agent is integrated with the 3D printing material. The 3D printing material manufactured by the method of the present disclosure contains one or more antibacterial agents that are completely integrated in the entire product and exhibit antibacterial effects in the entire product,and the one or more antibacterial agents are resistant to daily wear and tear.

The invention discloses a sweat-absorbing antibacterial fabric as well as a preparation method and application thereof. According to the sweat-absorbing antibacterial fabric, the sweat-absorbing antibacterial underwear fabric is composed of, by mass, 20-50 parts of antibacterial fibers, 20-50 parts of moisture-conducting fibers and 30-60 parts of cotton fibers, wherein the antibacterial fibers arepretreated by antibacterial soaking liquid. The preparation method of the sweat-absorbing antibacterial fabric comprises the steps of soaking, drying, blending, spinning and weaving. The invention further discloses the application of the sweat-absorbing antibacterial fabric in textile underwear. Compared with the prior art, the method at least has the following beneficial effects that the antibacterial performance is improved by using the bamboo carbon fibers, and the antibacterial effect is enhanced by soaking the bamboo carbon fibers in the plant antibacterial mixed liquid; the special-shaped fibers are used for improving the moisture conductivity and are combined with the antibacterial fibers, so that the composite fibers have antibacterial and moisture-conducting properties at the same time.

The invention belongs to the technical field of fabric processing and preparation, and particularly relates to an antibacterial wear-resistant fabric. The fabric comprises the following substances inparts by weight of 18-22 parts of pearl fibers, 10-15 parts of soybean protein fibers, 20-25 parts of modal fibers, 10-15 parts of coconut carbon fibers, 5-8 parts of polyester fibers and 14-18 partsof a composite treating agent. The fabric has good antibacterial and wear-resistant properties, good crease resistance, good moisture conductivity and air permeability and high production benefit.

The invention discloses an anti-bacterial luminous low-temperature ceramic ink for ink jet and a preparation method thereof. The preparation method comprises the following steps: A, mixing and grinding 25-38% of pigment, 0.5-5% of anti-bacterial compound, 1-5% of luminous compound, and 15-20% of drier of low-temperature frit; B, weighing 3-8% of a dispersant, 2-5% of a surface additive, 0.1-0.3% of a flatting agent, 0.3-0.8% of an antifoaming agent, 0.5-1% of a binding agent, and 0.08-0.1% of an anti-settling agent, adding a solvent into a homogenizer to disperse and grind, filtering, and obtaining an ink finished product. Compared with the current low-temperature ceramic ink, the manufactured low-temperature ceramic ink has the characteristics of scientific ingredients, and the low-temperature frit without the extremely toxic substances, such as lead and cadmium, is used so that the ceramic ink can guarantee the color development performance while the ceramic ink is fired in the low temperature. The luminous compound and anti-bacterial compound are rationally matched for the synergistic effect, so the ceramic ink also has the durable spectral anti-bacterial character, the pollution-preventing and self-cleaning functions and the luminous character, the application range of the low-temperature ceramic ink is further widened.

The invention discloses an automatic skin-brushing and cleaning machine for purple sweet potatoes. The automatic skin-brushing and cleaning machine comprises hair brush rollers, spraying pipes, a motor and a differential, wherein the spraying pipes are evenly arranged over the hair brush rollers and connected with the motor; and the motor is further connected with the hair brush rollers via the differential. The beneficial effects are that the purple sweet potatoes are cleaned by nylon brush rollers; brush filaments are anti-pressing and have great elasticity; the purple sweet potatoes cannotbe scraped; the brush hairs are anti-bacterial and nylon-made 1010-temperatuer resistant and wear-resistant, and do not back-bend and fall off; the roller bodies are made of stainless steel componentsand simply structured and easy to operate; and the automatic skin-brushing and cleaning machine has fast cleaning speed and can greatly reduce labor intensity, and can be widely applied to mechanicalcleaning, skinning and pesticide-removal before vegetable and fruit freshness preservation.