93 results about "Silver zeolite" patented technology

Carpeted floor covering articles comprising carpet pile fibers to which a topical antimicrobial application of solid particles has been applied either during or after product manufacture (such as part of a cleaning or treatment process) are provided. Such a topical treatment includes specific inorganic antimicrobial metal ion-based solid compounds, such as silver ion-exchange compounds, silver zeolites, and / or silver glasses, which may or may not be dispersed within a liquid medium for ease in handling and application. Such treatments also optionally include compositions of stain resistant agents, anti soil-redeposition compounds and liquids, surfactants, antistatic agents, and the like, to impart other characteristics to the target carpeted products. Such carpeted products thus exhibit excellent antimicrobial characteristics at both the surface of the carpet pile, as well as within the pile itself. Furthermore, it has been found that application of such solid metal-ion based antimicrobials permits the ability to increase antimicrobial activity for the target carpet product after vacuuming.

A container assembly provided with an antibacterial agent against "slow-leak" bacteria, comprising a container such as a plastic bottle which has a mouth portion having a rim; and a seal member such as a crown cap fitted to the mouth portion at the rim, wherein at least either a surface portion of the rim or the rim-contacting surface portion of the seal member includes an antibacterial agent such as silver zeolite in the form of a coating or a liner, thereby effectively blocking the entry of unwanted live bacteria and eumycetes which may enter the interior of the container assembly due to slow-leak.

The antimicrobial and odor adsorbing fabric substrate has a surface and at least a portion of the surface is coated with a finish. The finish contains a compound selected from the group consisting of silver particle-containing compounds, silver ion-containing compounds, silver ion-generating compounds, and any combinations thereof, a hyperbranched polyethyleneimine derivative, potassium citrate, inorganic chloride, a polyurethane binder, and a cross-linking agent. The silver-ion containing compound is selected from the group consisting of silver zirconium phosphate, silver zeolite, silver glass, and any mixtures thereof or a conductive silver containing nanoparticle. The hyperbranched polyethyleneimine derivative is of the formula:(R)x−h-PEI−(A)y where R is a non-hyperbranched hydrocarbon group and the hydrocarbon group has at least one linear portion. The linear portion has between 5 and 30 carbon atoms, x is a number from 1 to 10,000, h-PEI is a hyperbranched polyethyleneimine, A is an organic compound having from 1 to 4 carbon atoms, and y is a number from 0 to 500.

The invention relates to a preparation method of antibacterial fiber. A melting spinning process is adopted in the preparation method, two screw machines are respectively used for supplying materials to a core-skin spinneret plate assembly, and the core components of the core-skin spinneret plate assembly comprise a melt processed hydrophilic polymer of an inorganic antibacterial agent with the weight percentage of 0.1-10 and grain size of 100nm to 10mum; the inorganic antibacterial agent comprises one of silver zeolite, silver silica gel, silver phosphate, silver silicate and titanium oxide; and the hydrophilic polymer comprises one of polyoxyethylene, polyoxypropylene and kollidon. The preparation method of the antibacterial fiber is characterized in that controllable air flow is injected into the core components by using a gas flowmeter while the core components are supplied, so that a core layer is made into a structure with one or more hollow holes and core components are mainly distributed on the walls of the hollow holes in the core layer; the core layer of the hollow holes accounts for 5-60 percent of the total volume of the fiber; and the weight ratio of the core components to a skin component is (1-20):(99-80).

An oral tobacco article (1) has a tobacco pouch (2) including a mixture packaged in a nonwoven fabric sheet, the mixture containing tobacco particles made from a tobacco material, as a main ingredient, the tobacco pouch being designed to be put in a user's mouth to allow the user to absorb active constituents of tobacco from the tobacco particles via saliva, an openable and closable case (4) for holding a plurality of the tobacco pouches (2), and silver zeolite (30) applied as an inorganic antibacterial agent to the tobacco pouch (2) and the case (4).

The invention discloses a multifunctional aromatic antibiosis viscose fiber and a preparation method thereof. The preparation method comprises the following steps of: (1) crushing silver zeolite into silver zeolite micropowder with the fineness not larger than 0.4mm, placing the silver zeolite micropowder and a diepersant into water, stirring and mixing uniformly to obtain a silver zeolite aqueous emulsion; (2) preparing viscose by using cellulose pulp as a raw material, adding the silver zeolite aqueous emulsion and a microcapsule aromatizer in a dissolution step, mixing and grinding, and then defoaming and filtering to obtain a spinning solution; and (3) subjecting the spinning solution to spinning molding in a spinning coagulating bath, and refining to obtain the multifunctional aromatic antibiosis viscose fiber, wherein the spinning speed is 20-60m / min. The multifunctional viscose fiber prepared with the method contains microcapsule aromatizer and silver zeolite antibacterial agent, and the weight content proportion of cellulose to the microcapsule aromatizer to the silver seolite antibacterial agent is 86+98.5:0.5-5:1-9.

The invention discloses a metal antibacterial fabric which comprises a surface layer, a lining layer, an antibacterial layer and a metal fiber layer, wherein the antibacterial layer and the metal fiber layer are located between the surface layer and the lining layer; the antibacterial layer is located on the upper layer of the metal fiber layer and formed by blending nanoscale inorganic antibacterial fibers containing silver zeolite and polyarmide fibers, and the thickness is 0.3-0.9 mu m. By the aid of the scheme, the metal antibacterial fabric has the characteristics of high broad-spectrum antimicrobial capacity and heat stability, lasting function, safety, reliability, absence of drug resistance and the like, and is mainly used for manufacturing underclothes such as underwear, hygienic materials, bedding articles and the like.

An improved method for manufacturing powder coatings for applications where uniform dispersion of one or more additives is critical to the function of the final coating. The method comprises ultrasonic post-blending of powder coating of one or more additives into a base powder coating material prepared by ordinary means. In one example, an antimicrobial powder coating containing a silver zeolite additive is prepared using the ultrasonic post-blending method. The resulting powder exhibits superior antimicrobial efficacy compared to an analogue powder manufactured using identical constituent ingredients, but according to conventional premix / extrusion methods. Powder manufactured using ultrasonic post-blending allows a wide range of stock powder coatings to be modified to exhibit new properties at improved cost and efficiency than conventional preparation methods. The method is suitable for powder coating formulations requiring incorporation of a small percentage of additives, especially additives with relatively small particle sizes such as nano- and sub-micron additives.

It has now been surprisingly and unexpectedly discovered that a combination of polychlorophenoxyphenol, a silver-containing biocide, and an organopolysiloxane, when added to UHMWPE, renders the UHMWPE resistant to both soft and hard fouling. The polychlorophenoxy phenol is preferably 2.4.4′-trichloro-2′-hydroxy-diphenylether and the metal-containing biocide is preferably a silver zeolite.

The invention discloses a polyethylene water supply pipe with antibacterial performance. The water supply pipe prepared through the method has good antibacterial performance and reduces secondary pollution in the water delivery process. The polyethylene water supply pipe is prepared from, by mass, 80-100 parts of high-density polyethylene, 10-30 parts of PE 100-grade granules, 4-8 parts of black color masterbatch and 2-3 parts of a compound antibacterial agent, wherein the compound antibacterial agent is a compound system of a silver-zeolite antibacterial agent and a quaternary ammonium salt grafted polyethylene antibacterial agent. The polyethylene water supply pipe has the advantages that the preparation process is simple; by using the compound system of the inorganic antibacterial agent and the organic antibacterial agent, the production cost of the antibacterial polyethylene pipe is reduced, and the polyethylene water supply pipe is broad in antibacterial spectrum, efficient and the like, reduces secondary pollution in the water delivery process and meets the requirement of people for water quality in daily life.

The invention discloses a P-type molecular sieve-chitosan-sodium alga acid-potassium diformate compound and a method for forming a livestock antibacterial agent with a slow-release effect. The defectsare overcome that heavy metal in a silver zeolite antibacterial agent easily deposits in an organism and cannot be applied to fodder, and potassium diformate as an acidifying agent cannot exert effects in the intestinal tract. With a P-type molecular sieve being a carrier, chitosan and sodium alga acid are sued a bridge. Potassium diformate as the acidifying agent is adsorbed, and the livestock slow-release antibacterial agent is prepared. Acidity detection and in-vitro antibacterial testing show that the slow-release antibacterial agent has slow-release performance, has an excellent antibacterial effect on escherichia coli, and can prevent and treat a diarrheal disease caused by escherichia coli.

The invention provides a built-in containment vessel filtering discharging system. The built-in containment vessel filtering discharging system comprises a built-in water pool, a jet pipe, a steam separator, a metal fiber filter, a silver zeolite filter, and corresponding pipeline valves. The built-in containment vessel filtering discharging system is capable of realizing effective utilization ofthe water pool space in a containment vessel, is simple, and is more compact in designed form; a complex external arrangement system is canceled; and a better option is provided for small size nuclearpower devices such as ocean floating platforms. The built-in water pool is combined with the longitudinal jet pipe, so that effective utilization of water seal principles is realized, the change of the number of adopted pores at different flow amount conditions is ensured, the state of the flow speed in a jet nozzle is maintained to be optimal, and relatively aerosol and iodine removing efficiency is maintained always. In the built-in containment vessel filtering discharging system, a current limiting orifice plate is arranged at the tail end of the built-in containment vessel filtering discharging system, operation of the built-in containment vessel filtering discharging system is carried out under high pressure, equipment size is reduced, silver zeolite loading amount is reduce, equipment miniaturization is realized, so that it is beneficial for reducing of equipment cost and improving of the economical performance.

The invention discloses an antibacterial and mould-proof shoe material and a preparation method of a shoe sole. The shoe material is prepared from the following components in parts by weight: 23-27 parts of EVA, 17-21 parts of POE, 6-9 parts of OBC, 4-6 parts of EDPM, 4-6 parts of a filler, 0.3-0.6 part of a vulcanizing agent, 1.2-2 parts of a foaming agent, 0.8-1.2 parts of a foaming assistant, 0.4-0.6 part of a lubricant, 0.2-0.4 part of zinc stearate, and 0.4-0.5 part of a nano antibacterial agent. The preparation process of the nano antibacterial agent is as follows: in parts by weight, 5-7 parts of silver-loaded zeolite are added into 18-20 parts of an absolute ethyl alcohol and water mixed solution with the volume ratio of absolute ethyl alcohol to water being (6 to 8):1, then 1.2-1.5 parts of isobutyltriethoxysilane are added, then heating is conducted to 70-75 DEG C, continuous stirring is conducted for 20-25 min, finally, filtering, drying and grinding are conducted, and the nano antibacterial agent is obtained. The antibacterial and mould-proof shoe material and the preparation method of the shoe sole have the beneficial effects that the silver-loaded zeolite is subjectedto surface modification through the isobutyltriethoxysilane, the surface energy of the shoe material is lowered, agglomeration is not prone to occurring, using demands of the shoe material are met, and after the surface of shoe material is grafted with organosilicon groups, water resistance is improved appropriately.

The invention discloses aloe antibacterial yarn, and belongs to the technical field of textile. The aloe antibacterial yarn is formed by regenerated cellulose, aloe extract and a silver-loaded zeolite antibacterial agent. The aloe antibacterial yarn has both the antibiosis function and the function of being friendly to the skin, the hand feeling of the aloe antibacterial yarn is soft and smooth, the aloe antibacterial yarn is friendly to the skin, the appearance of the aloe antibacterial yarn is bright and nice, the color is bright and full, and meanwhile the aloe antibacterial yarn has a good antibacterial and bacteriostatic effect. Compared with traditional aloe yarn, the aloe antibacterial yarn is excellent in comprehensive performance and has quite high market promotional value.

The present invention belongs to the field of chemical technology, and is especially one kind of nano silver zeolite film catalyst for gas phase dehydrogenation and oxidation of 1, 2-propylene glycol to synthesize pyruvic aldehyde and its preparation process. The catalyst has nanometer electrolytic silver particle carried onto metal net coated with superthin zeolite film, and is prepared through lamination electrolysis process to deposite electrolytic silver onto zeolite film. The catalyst has low temperature catalytic effect superior to traditional electrolytic silver catalyst and features the continuous catalytic dehydrogenation in the conversion rate up to 96.1 % and selectivity up to 75.6 %.

The invention discloses a containment filtering and discharging system capable of efficiently removing organic iodine, and belongs to the technical field of reactor safety facilities. The containmentfiltering and discharging system comprises a containment, a penetration assembly, a containment isolating valve assembly, a rupture disk assembly, a water washing filter, a metal fiber filter, a spiral pipe preheater, a silver-zeolite filter, a restriction orifice and a radioactivity monitor 11. A series connection structure is adopted in the system, and the design mode that the silver-zeolite filter is arranged in the containment is utilized, so that the phenomenon that steam is condensed in silver zeolite is avoided; due to the structural design of multi-stage water separation and gas preheating, it is ensured that discharged gas has been in an overheating state before entering the silver zeolite, and the filtering efficiency of the organic iodine is improved; in the containment filtering and discharging system, the mode that the steam is overheated through significant throttling and pressure reduction is avoided, accordingly, it can be ensured that the filtering and discharging system run at a high pressure, and at the same face velocity, the consumption of silver-zeolite molecular sieves is greatly reduced. Therefore, the device size is reduced, and the building cost is reduced.

The present invention discloses a silver-carrying macroporous zeolite molecular sieve adsorbent, its preparation method and application. The basis used by the invented silver-carrying macroporous zeolite molecular sieve adsorbent is a kind of macroporous zeolite molecular sieve with good macroporous channel distribution, its average pore size is 11 nm, and its pore structure is uniform. The silver weight content of silver-carrying macroporous zeolite molecular sieve adsorbent made up by utilizing silver salt solution cation exchange is 10-18%. For inorganic or organic iodides with different molecular sizes and molecular iodine said adsorbent has high adsorption action, and its strength is high.

The invention discloses a method for preparing a feed antibacterial agent by absorbing and grafting potassium diformate on an epidesmine molecular screen. Regarding the defects that heavy metals in a silver zeolite antibacterial agent easily deposit in a body and cannot be applied to a feed, and the acidating agent potassium diformate cannot plays roles in intestinal tracts, the method takes the modified epidesmine as a carrier to adsorb the acidating agent potassium diformate so as to prepare the feed epidesmine antibacterial agent. Acidity detection and in vitro antibacterial tests indicatethat: the feed epidesmine antibacterial agent has sustained release performance, has an excellent bacteriostasis effect to escherichia coli, and can prevent and treat diarrhea caused by the escherichia coli.

The invention provides a preparation method of a nano-silver antibacterial plastic. The preparation method comprises following steps: firstly, ion substitution is adopted to load a microporous material nano zeolite carrier with antibacterial silver ions or other metallic oxides so as to obtain a nano silver zeolite composite antibacterial material; the nano silver zeolite composite antibacterial material is subjected to surface modification with a surfactant; the modified nano silver zeolite composite antibacterial material is mixed with a powdery polypropylene matrix at a mass ratio of 1:5, an accessory ingredient and a dispersing agent are added, and vibrating milling is adopted for dispersion treatment so as to obtain a nano silver zeolite composite antibacterial plastic masterbatch; and at last the nano silver zeolite composite antibacterial plastic masterbatch is uniformly mixed with polypropylene plastic at a mass ratio of 1:10, and an obtained mixture is delivered into an injection molding machine for injection molding so as to obtain the nano-silver antibacterial plastic. The nano-silver antibacterial plastic possesses broad spectrum, high efficiency, and long lasting antibacterial performance, and excellent slow release performance.

The invention involves a magnetism material anti-bacterium health protection fibre and its producing method. (1) grind neodymium iron boron or silver zeolite to powder whose diameter is 0.01-1 mum (2) mix around the foregoing powder whose proportion is 1:1. (3) mix the foregoing compound powder and melt high polymer whose proportion is 2:8 with double-screw. (4) spin long thread or short thread and then process to obtain the filature to obtain the production. the advantage of the invention is that transplant magnetism materials directly in fiber to make the fabric have function of magnetism treat effect. Moreover, it can be washed as ordinary dress.

The invention relates to an antibacterial deodorant insole and a manufacture method thereof, belonging to the technical field of shoemaking. The manufacture method disclosed by the invention comprises preparation of antibacterial deodorant silica sol and preparation of an antibacterial deodorant silica sol insole. The manufacture method comprises the following steps of: doping an organic antibacterial component, namely a silver zeolite antibacterial agent, in silica sol at first time, and then, dispersing silica soil carrying silver zeolite dispersion liquid in a rubber sponge insole. The insole manufactured by the manufacture method not only has rubber sponge resilience and breathability but also has an obvious antibacterial effect to escherichia coli and staphylococcus aureus.

A method for producing silver-ion antibacterial liquid using a type A or type X silver zeolite includes a process to weigh silver zeolite for obtain its blending quantity in a range of 0.1 to 20.0 percent by weight and to weigh citric acid for obtaining its blending quantity such that its blending ratio to the silver zeolite becomes 1.2 or greater, followed by blending of the two into purified water; a process to mix under agitation the silver zeolite and citric acid blended in the purified water to prepare a mixture liquid containing at least a citric acid-silver complex and silica hydrate; and a process to remove the silica hydrate produced in the mixture liquid. The production method can produce at low cost a silver-ion antibacterial liquid offering immediate bactericidal effect.

An antibacterial water treatment agent constituted by polyethylene containing silver zeolite is characterized in that the silver zeolite has a type-A crystalline structure and is contained by a range of 10 to 30 percent by weight, and that the aforementioned antibacterial water treatment agent is a porous body having continuous holes formed from the silver zeolite to the surface of the porous body and these continuous holes in the porous body are passages of vaporized crystallization water contained in the above silver zeolite.

The invention relates to an external silver zeolite adsorption plant for a low-temperature tank. The external silver zeolite adsorption plant comprises a box body, silver zeolite granules and an electric heating device, wherein an opening of the box body is communicated with an interlayer of the tank, and is welded on a shell of the tank, and a portable electric heating device capable of surrounding the box body for heating is adopted as the electric heating device. According to the invention, the silver zeolite granules are filled in the box body on the outer wall of the shell of the low-temperature tank, therefore, low-temperature heating can be carried out on fiber asbestos paper and high-temperature activation can be carried out on the silver zeolite granules completely according to corresponding required optimum temperature while vacuumizing, so that best performances can be achieved; the external silver zeolite adsorption plant can completely activate silver zeolite, and can also avoid weathering risk of fiber asbestos paper so as to obviously improve the heat-insulating property of the tank; moreover, the external silver zeolite adsorption plant has the advantages of simple and reasonable structure, safety and convenience in use and the like, and is suitable to be mounted on the lower-temperature tank for use.

The invention relates to a fiber for medical fabrics and a preparation method of the fiber. The preparation method comprises the step that cationic polyester FDY yarn is prepared from cationic polyester according to the FDY technology to obtain the fiber for the medical fabrics, wherein nano-silver zeolite powder and SiO2-Al2O3 powder and / or SiO2-MgO powder which is / are sintered at the high temperature of 400-700 DEG C are dispersed in the cationic polyester, and molecular chain of the cationic polyester comprises a terephthalic acid chain segment, an ethylene glycol chain segment and a m-benzenedisulfonic acid disodium salt chain segment. After the prepared fiber for the medical fabrics is placed for 60 months under the condition that the temperature is 25 DEG C and the relative humidityis 65%, the characteristic viscosity of the fiber is reduced by 10-15%. The preparation method is simple in process and low in cost; the prepared product is high in natural degradation rate and good in application prospect.

The invention provides a polyolefin resin foam particle, a manufacturing method thereof and a polyolefin resin foam forming body. The polyolefin resin foam particle comprises polyolefin resin and silver zeolite serving as an additive. Foam performance of the polyolefin resin foam particle is good, and the light polyolefin resin foam particle with good foam effect can be acquired even if additivessuch as polyethylene glycol and glycerin cannot be used. When the silver zeolite serves as the additive for manufacturing the polyolefin resin foam particle, wastewater treatment can be decreased or omitted, environmental loads in manufacturing are decreased, and in-mold forming performance of the acquired foam particle is good.

The invention belongs to the technical field of plastic film preparation, and particularly relates to a graphene antibacterial modified plastic film for medicine packaging and a preparation method. Graphene oxide is firstly added to be blended with chitosan to generate group reaction for close combination, so that uniform dispersion of the graphene oxide is promoted, and the barrier property of amedicinal packaging film is remarkably improved; and furthermore, a silver zeolite antibacterial agent is dispersed in the film and has a synergistic effect with chitosan and graphene with a natural antibacterial effect, so that the antibacterial property of the medicinal packaging film is greatly improved, the used materials are safe and non-toxic, and the safety of the medicinal packaging film is improved.

The invention discloses an antibacterial polytetrafluoroethylene composite material and a preparation method thereof. The antibacterial polytetrafluoroethylene composite material is characterized in that the tensile strength and friction performance of polytetrafluoroethylene are improved by using steel fibers and carbon fibers, fine packing such as SiO2 and Al powder are sintered on the surface of the polytetrafluoroethylene at the high temperature by utilizing an improved melting method, a surface sintering state of the polytetrafluoroethylene is improved, and the bonding strength is obviously improved. In addition, silver zeolite is further added, so that the composite material has antibacterial and mildew-proof functions.

The invention discloses an integrated dry radioactive aerosol filtering device which comprises a central cavity 1, a metal fiber filter 2, an interface section 3, an expansion section 4, a silver zeolite filter 5, a contraction section 6, a rupture disk 7, an outlet pipe 8, a pressure bearing shell 9, an inlet 10, an end cavity 11, a condensate discharging pipe 12, a heat exchange pipe 13, a metalfiber filter lyophobic pipe 14, a throttling depressurizing pore plate 15 and a flow equalizing pore plate. The metal fiber filter 2 completes dehumidifying and dedusting of filtered mixed gas, and the silver zeolite filter 5 removes radioactive iodine in the filtered mixed gas through chemical reaction. An integrated structure is adopted, running pressure is high, size of the silver zeolite filter 5 can be reduced effectively, and equipment production cost can be lowered. Due to passive design of the rupture disk 7, the device is simple in structure, safe in running and high in reliability.The device is simple in integral structure, small in size, high in economic efficiency and comparatively convenient to arrange, mount and maintain.