KR100627998B1 - Nano silver sterilization hollow fiber membrane - Google Patents

Abstract

 The present invention relates to a method for producing an antimicrobial hollow fiber (10) in which the antimicrobial by putting the silver nano (20) in the body of the hollow fiber (10) and the bacteria are continuously maintained by the injected silver nano (20). As a typical material constituting the fiber 10, synthetic resins such as cellulose resin, polyamide resin, polyvinyl resin, polyacrylic resin and polyolefin resin are widely used.

According to the present invention, the silver nano 20 is mixed (180) or a mixture containing polyvinylidene fluoride and an organic liquid body, or a mixture including polyvinylidene fluoride, an organic liquid and an inorganic fine powder. Coating (200), melting (280), stirring (300) and extrusion (100) to manufacture a functional hollow fiber (10) with high pressure resistance, high fouling resistance, and excellent antiseptic power to sterilize water to improve people's health and health. The purpose is to increase the effect.

Hollow yarn, membrane, hollow fiber, synthetic resin, antibacterial, sterilization, silver nano, nano

Description

Silver nano antibacterial hollow fiber {NANO SILVER STERILIZATION HOLLOW FIBER MEMBRANE}

1 is a perspective view of an antimicrobial hollow fiber according to the present invention.

2 is a cross-sectional view of the antimicrobial hollow fiber according to the present invention.

Figure 3 is a silver nano mixing process chart of the antimicrobial hollow fiber according to the present invention.

Figure 4 is a silver nano-coating process of the antimicrobial hollow fiber according to the present invention.

FIG. 5 is a photograph taken at 60,000 times magnification of a cross section of silver nanoparticles of the present invention. FIG.

FIG. 6 is a photograph taken at 80,000 times magnification of the side of the silver nano of the present invention by an electron microscope; FIG.

Figure 7 is a photograph taken at 50,000 times magnification of the surface of the silver nano of the present invention.

Figure 8 is a photograph of the antimicrobial activity of the strain into which the silver nano of the present invention.

9 is Staphylococcus aureus, pneumococci, bacteria in which the silver nano of the present invention is added.

MRSA (Methicillin-Resistant Staphylococcus Aureus) Bacteria Antimicrobial Test Picture.

10 is a three-dimensional structural diagram of silver nano of the present invention.

11 is a comparison graph of conventional general fibers and silver nanofibers of the present invention.

* Description of the symbols for the main parts of the drawings *

10: hollow fiber 20: silver nano

40: hollow air 60: weaving

80: extruder 100: extrusion

120: softening 140: molding module

160: molding 180: mixing

190: heating 200: coating

220: cylinder 240: deposition

260: drying 280: melting

300: stirring

Japanese Patent Laid-Open No. 10-2004-0041091, Application No. 10-2003-7009175 Name of the Invention: Hollow fiber membrane and its manufacturing method and Japanese Patent No. 0136835 Name of the invention: Hollow fiber filter and Japanese Patent No. 0232331 Title of the invention: Hollow island outflow molding method and apparatus and Korea Registration No .: 0064017-0000 Name of invention: Hollow fiber membrane and its manufacturing apparatus and Korea Registration No. 0112617 Name of invention: Method of making a new hollow fiber membrane

Australian Register No. 153291 Name of the Invention: A process for preparing a porous polymeric hollow fiber membrane and a method for preparing a porous polymeric material, polyvinylidene fluoride membrane prepared by this method, US Pat. No. 50,2990, which includes polyvinylidene fluoride, organic liquids and There has been proposed a method of producing a hollow fiber membrane in which the inorganic fine powder is subjected to melt training and then separated into micro phases by cooling, followed by extracting the organic liquid and the inorganic fine powder.

In addition, WO 91/172204 has registered or applied various prior arts such as a method for producing a hollow fiber membrane made of polyvinylidene fluoride and a solvent system.

However, the above application and registration number relates to a general manufacturing method of the hollow fiber, it is simple to weave (60) or form fine pores of the hollow fiber (10) to filter out water, and thus does not have antibacterial power against water for a long time. In use, you are inevitably exposed to bacteria.

 It is already well known that when raw water containing a large amount of foreign matter is purified, sediments left unfiltered on the surface of the fiber membrane or inside the membrane accelerate the growth of bacteria or bacteria and become water resistant due to sludge.

For this reason, flushing, which removes sediment with intrinsic water flow without filtration during water purification operation, air scrubbing which separates the sediment with air bubbles, and back washing to reverse the direction of filtration are introduced. Chemical cleaning is also performed to keep the filtration capacity high.

However, flushing or air scrubbing has a high cleaning effect on the membrane, but it puts a lot of load on the membrane. Therefore, the membrane is more likely to rupture. When cleaning with a chemical, the inside of the hollow fiber is oxidized and the residual amount of the chemical remains, resulting in a chemical smell.

 The present invention relates to a method for producing the antimicrobial hollow fiber containing silver nano (20),

The silver nano 20 of the present invention is mixed (180) or coated 200 on the body of the known hollow fiber 10 to sterilize drinking water or living water cleanly, and deodorizing effect and water are activated to increase the amount of dissolved oxygen. The purpose is to make a healthy and clean life by producing a functional hollow fiber (10) having a role and a silver ion spinning function to facilitate the metabolic activity of the human body.

As described above, the antimicrobial hollow fiber 10 containing the silver nano 20 of the present invention is

   Instead of physical or electrical sterilization of the machine, it is simply put in the manufacture of the hollow fiber 10, so it contains powerful silver nano 20 material which is economical and sterilizing power is unpredictable. You can continue to achieve the following outstanding benefits without wasting time:

Silver nano (20) is harmless to the human body and has a sterilizing power tens of times stronger than the chlorine series.

If so, the silver nano 20 of the present invention lists the preferred features of the antimicrobial hollow fiber 10 is as follows.

  First: The hollow fiber (10) containing silver nano (20) generates healthy silver ions and far-infrared rays when used, which stimulates blood circulation and endocrine activity, and 90% of formaldehyde, an environmental hormone that has become a problem recently. It has many advantages that it blocks the abnormalities and protects and deodorizes the skin by antiviral and anti-allergic vitamin B6.

   Secondly, it reacts sensitively according to the pollution level of the surrounding environment.

 Destroys the bacterial cell membrane or disturbs the function of the cell, showing continuous antiseptic action. Recent research has shown that silver nano (20) can sterilize 650 bacteria and viruses, and prevents secondary infections in hospitals where it is a problem due to its excellent anti-bacterial and antibacterial function of harmful bacteria and microorganisms. Silver catalyzes the conversion of oxygen to active oxygen, which prevents sterilization, adsorption of heavy metals and bacterial growth.

Third: the silver nano 20 is a hollow fiber 10 made of a poly-based synthetic resin, which is very easy to coat 200, mix 180 with other materials, and injection, etc., of the hollow fiber 10 of the present invention. The material and the mixture 180 or coating 200 is made well.

 The hollow fiber 10 relates to a hollow fiber membrane used for post-treatment and medical treatment of wastewater treatment, water purification treatment, industrial water production, and the like.

The filtration operation of the hollow fiber 10 separation membrane is used in various fields such as automobile industry (electrodeposit recovery and recycling system), semiconductor industry (ultra pure water production), and pharmaceutical food industry (bacteria, enzyme purification). It is put to practical use and used in various fields including food industry and medical field, water production, drainage treatment field, etc. Especially in recent years, it is used in water purification process in the beverage manufacturing field and in dialysis blood of renal failure patients in hospitals. The number is exploding.

According to the present invention, the silver nano 20 is mixed (180) or a mixture containing polyvinylidene fluoride and an organic liquid body, or a mixture including polyvinylidene fluoride, an organic liquid and an inorganic fine powder. Coating (200), melting (280), stirring (300) and extrusion (100) to produce a functional hollow fiber (10) having anti-bacterial power to anti-sterilize the water to improve the health and health of the public There is a purpose.

The present invention is to correct the above problems, to mix (180) or coating the silver nano (20) by adding 0.01 to 30% by weight, based on 100% by weight of the total weight of the hollow fiber 10 of the synthetic fiber as a reference range The particle size of the silver nano 20 particles has a particle diameter of 0.01 to 300 nm and the thickness of the coating 200 when the coating 200 is 0.0l μm to 50 μm (micrometer) of the hollow fiber 10. Forming a silver nano (20) coating (200) film on the outside is characterized in that it provides a manufacturing apparatus and a method for producing a functional antimicrobial hollow fiber 10 having a continuous antiseptic effect during water purification or hemodialysis.

The present invention comprises a silver nano (20) material comprising a synthetic fiber body polyvinylidene fluoride, cellulose-based, polyamide, polyvinyl, polyacrylic, polyolefin resin and the total weight of the hollow fiber 10 material 100% by weight In a standard range of 0.01 to 30% by weight, the mixture is mixed (180) using a Henschel mixer, a Benbury mixer, a proshare mixer, etc., and the finished hollow fiber 10 is finished in the hollow fiber in the final process. Alternatively, the outer membrane is coated, wherein the particle size of the silver nano 20 particles has a particle diameter of 0.01 to 300 nm, and the coating 200 has a thickness of 0.0l μm to 50 μm (micrometer) when the hollow fiber 10 is coated. It provides a manufacturing method and a manufacturing method of the functional antimicrobial hollow fiber (10) having a continuous anti-microbial effect during purification or hemodialysis by forming a silver nano (20) coating (200) film on the outside of the) do.

The mixture constituting the hollow fiber 10 including the silver nano 20 is melt kneaded 280 by a melt kneading extruder 80 such as a twin screw extruder 80, and extruded into a hollow fiber 10 type (100). Molding 160 and cooling and solidifying to form a hollow fiber 10 containing the silver nano 20 of the present invention.

In addition, in the case of polyvinylidene fluoride, it is possible to supply directly to a melt 280 kneading extrusion device such as polyvinylidene fluoride extruder 80 without performing a preliminary step by a Henschel mixer or the like, and to weave 60 by a weaving machine. The silver nano (20) yarn (thread) made of the silver nano (20) material at the time of weaving (60) is based on 100% by weight of the total weight of the fiber which is the material of the hollow fiber (10). ) Is preferably 0.01-30% by weight of the fiber blended with the hollow fiber so that the hollow fiber body is woven (60) or woven and pelletized by melt kneading once after mixing (180) to increase the kneading properties. It may be supplied to the melt kneading extruder 80, extruded 100 or molded 160 in a hollow fiber shape, and cooled and solidified to obtain a hollow fiber 10.

In order to help the understanding of the present invention will be described in detail the silver and silver nano (20) constituents of the present invention.

    Nanotechnology is a technology that identifies and controls substances at the molecular and atomic levels.It comes from the Greek word dwarf, lanose, and 1 nanometer 'corresponds to one-tenth of the thickness of the hair. It is made of silver solution (colloid), which is a chemical decomposition method or a fine particle state in nano units, and is widely used in industrial fields.

Silver, the main ingredient of Nano silver, has been recognized as a precious metal of high value from ancient times, and has been the object of collection, and it is recognized as an important industrial material in modern industry as well as its value as money. Silver production is in many ways proportional to gold production.

Silver was mined early in Europe's Mediterranean coast, where silver was produced from the Incas and Aztecs before the discovery of the Americas, and then silver from Peru and Bolivia entered Europe and flowed out from 1520 to 1800.

It has grown steadily, but has declined since the discovery of large amounts of silver in the early 19th century.

Currently, the world's major silver producers are Russia (13.8%), Canada (13.5%), Mexico (13%), Peru (13%), United States (11%), Australia (8%), Poland (6%). The country's silver reserves are 17 million tons, and its mining capacity is about 1.2 million tons. As of 2002, silver produced in Korea is about 5,000 kg, which accounts for 1.2% of the total domestic demand. The amount is so small that the rest of the silver is imported from abroad.

Characteristics of silver: The color of silver is gray in the case of elegant gray-white metal or powder, specific gravity is 10-12, Mohs hardness is 2.5-3, melting point 280 is 960.5 ℃.

In particular, the melting point (280) of silver is very important for the temperature compensation of high thermometers, and it is the standard of scientific and industrial temperature. Silver is the best conductor of metal, and is used comprehensively for mechanical contacts and other electronics. .

Silver is optically 90% of visible light, which is one of the best metals such as platinum, and silver does not rust even when left in the air or heated (190), but it reacts with sulfur and hydrogen sulfide to emulsify it. Silver is made and turns black.

     In addition, the mechanical properties change according to the amount of impurities (O₂) contained in the silver, and the hardness of the high-purity silver obtained by thermal annealing is Brinell hardness HBS (10/500) 25-27, tensile strength 12-16kgf / mm2. The cast strength of the cast was up to about 29 kgf / mm 2, the combustion rate was 48 to 54%, and the recrystallization temperature was 150 ° C.

    Particularly, in the case of pure silver, the processed hardened material is softened by recrystallization at normal room temperature again and softened 120. The malleability and flexibility are rich after gold, and the thin silver plate, which is a thin silver plate, can be spread to a thickness of 0.2 μm.

     The effect of silver has been used as a tool to check the imbalance of the body that one cannot feel because the gloss or color changes depending on the condition of the body when worn on the body from ancient times. This fatigue or low rhythm), Dongbobogam said that it is effective in the prevention and treatment of mental disorders and women's diseases such as epilepsy and game. The five chapters are said to be comfortable, the mind and body are stabilized, and the main body records that the body is lengthened by chasing morale and lightening the body.

      Also, when the Black Plague prevailed in the Middle Ages, nobility of the black aristocrats and royals, who had many silverware and silver utensils, did not have black plague, which released silver to the extent that it was able to sterilize the Black Plague bacteria, making it relatively safe from infectious diseases. In the place where the royal family and the state guests were served, silver products were used habitually.

In order to help the understanding of the silver nano 20, the present invention will be described briefly with respect to the silver nano 20 (Nano silver) extraction method and features.

The atomic weight of silver is 107.87 amu and the fact that silver (Ag) is bactericidal has been known for a long time.

Silver nano (20) was first developed by a biotechnology company, a government-affiliated organization in our country, and was named silver nano (20) as a compound name of the brand name Na no-technology and silver. ;

  Silver nano (20) is a field of Na no-technology and is an advanced antimicrobial agent that utilizes silver's strong antibacterial and bactericidal function and excellent electrical conductivity mechanism. Silver nano (20) is unlikely to be resistant to bacteria, unlike conventional antibiotics. Silver nano (20) has been shown to kill almost all single cell germs on the ground in a short time. .

 Currently, a variety of products based on silver nano (20) consisting of powder and solution have been invented and commercialized and produced in real life. This technology, called silver nano (20), converts silver to nanometers (1 billion won). It is a small particle size of 1m / min), that is, 0,000000001m. If one gram of silver is aged, ten particles can be produced.

Therefore, silver silver (Age) is a new concept that is made by using excellent effects such as anti-bacterial, deodorizing power, and extended food preservation time among many characteristics of silver. .

 Since ancient times, silver has been recognized as a disinfecting material that not only prevents bacteria but also East and West. Currently, the extraction method of silver (20) (Age 99.9%) is added to distilled water. It generates low current at low temperature, electrolyzes compounds containing silver, and conducts electrophoresis using + and-poles of each molecule to collect silver (Age 99.9%). In addition, liquid reduction and grinding It can be manufactured by the physical method such as, and the electrolysis method is used a lot to obtain a stable silver nano (20) (Nano silver).

Silver ions are also used in general sterilization concept machines and disinfectants, and all silver products currently used are silver obtained by decomposition, and the sterilization power of silver varies depending on the product, but can obtain up to 99%.

 The silver nano 20 of the present invention is an ultra-fine particle of silver having a particle diameter of 0.01 to 300 nm, which directly acts on harmful bacteria, directly dissolves the cell membranes of harmful bacteria, and interferes with the electron transfer system of the harmful bacteria, thereby making sure and excellent. It has antibacterial and antibacterial properties (99.9%) (reference virus size is about 10 nm).

     The main antimicrobial mechanism of silver nano (20) is to dissolve harmful bacteria cell membranes and interact with enzymes in the cells to block the metabolic function of nutrients, ie, the influx and discharge of nutrients, and to stop the respiratory function and production of harmful bacteria. And destroys regenerating ability to kill harmful bacteria.

     In addition, the silver nano (20) by controlling the harmful bacteria by releasing the antimicrobial power continuously from the fine particles is excellent in the antimicrobial, antimicrobial sustainability.

Therefore, silver nano (20) does not produce resistance and silver nano (20) has a surface reaction is effective and can kill all 99% of the bacteria, and particularly effective for the common E. coli or food poisoning.

   The smaller the nanoparticles, the better the bactericidal and antimicrobial activity. Based on the experimental data so far, Escherichia coli, Staphylococcus aureus, Salmonella, Vibrio bacillus, Heterogeneous bacteria, Pneumococcus, Typhoid bacillus and the most resistant MRSA Resistant Staphylococcus aureus) can be 99.9% antibacterial and sterilized.

     Even if silver exists in an ionic state or a metal state, it can be referred to as colloidal silver if it exists in a colloidal state by a solvent.

In silver nano (20) (Nano silver) is the best antibacterial silver nano particles (20) minimized.

   In addition, unlike the general chemical antibacterial or chlorine disinfectant, silver nano (20) is a pure silver ultra fine particle, has excellent antibacterial and bactericidal zone (99.9%) even at high temperature, non-toxic and non-irritating to the human body, bacteria and E. coli virus fungus It has been reported that bacteria cannot live in contact with silver nano 20 for more than 5 minutes.

As described above, the silver nano 20 material is injected into the hollow fiber 10 made of a synthetic resin material to coat 200 or mix 180 or weave 60 to attach the hollow fiber 10 to the body 10. Functional antimicrobial hollow fiber 10 containing silver nano 20 for anti-sterilizing bacteria and harmful substances to be prevented, blocking ultraviolet rays, and releasing beneficial silver ions and far infrared rays;

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in describing each of the drawings, the same reference numerals refer to the same reference numerals and components even though they are shown in different drawings.

1 is a perspective view of the antimicrobial hollow fiber 10 according to the present invention, the hollow pores 40 are formed

 The figure of the hollow fiber 10 which consists of synthetic fiber bodies containing polyvinylidene fluoride which is a synthetic fiber body, a cellulose type, polyamide, polyvinyl, polyacryl, and polyolefin resin is shown by figure,

Figure 2 is a cross-sectional view of the antimicrobial hollow fiber 10 according to the present invention shows a cross-sectional view of the structural structure of the hollow fiber (10).

3 is a process diagram of mixing 180 of the antimicrobial hollow fiber 10 and the silver nano 20 according to the present invention, and the raw material of the hollow fiber 10 made of a synthetic resin material is introduced into the container 220 and heated 190. Melting and softening (120) and then stirring (300), wherein the silver nano (20) to 0.01 to 30% by weight of PPM in a range of 0.01 to 30PPM per 100g of the total weight of the hollow fiber by stirring and then extruder 80 It can be extruded (160) or weaving (60) by a weaving machine by putting into a silver nano (20) yarn (thread) made of silver nano (20) material at the time of weaving the material of the hollow fiber 10 It is preferable that the hollow fiber body is woven 60 or woven by blending the hollow nanoparticles with 0.01 to 30% by weight based on 100% by weight of the total weight of the phosphorus fiber.

In addition, the silver nano 20 to the synthetic resin body of the hollow fiber 10 is melted (280) and then mixed (180) and extruded (100) to form a hollow fiber (10) and stretch the hollow fiber (10) , And continue to shrink and the particle diameter of the silver nano (20) has a particle size of 0.01 to 300nm and the body of the hollow fiber mixed with the finished silver nano-mixed to enhance the sterilization power of the finished hollow fiber 10 It is also preferable to secondary coating 200 with silver nano 20.

On the other hand, look at the manufacturing method of the hollow fiber 10 made of a synthetic resin, poly-based material according to the present invention for achieving the above object in detail as follows.

1, injection molding

 The molding material is heated (190) and melted (280) by injection molding into a cavity of a pre-closed mold, and then solidified or cured to form a molded product. The molding method is suitable for mass production of complex shaped products. It is a field.

 The molding materials used for injection are applied to almost all molding materials such as thermoplastic resins, thermosetting resins, rubbers, foam molding materials, etc., and various kinds of processing materials and molding structures have been developed in consideration of the types of molding materials and the shape of the molded products.

Molding is carried out as follows: ① body, ② injection, ③ holding pressure (this series of processes to prevent backflow of the material filled in the cavity and extract it by cooling is repeated as one cycle). The inline screw injection molding machine is a standard type of screw, which is retracted by the plasticization of the molding material, and when it is injected, the screw is advanced to extrude the molding material, and this type of molding machine is also used for molding the thermosetting resin.

Compared to the case of the thermoplastic resin, if the resin is cured by heating the molding, the temperature of the heating cylinder is lowered to prevent the resin from solidifying, and thus the heating method of the cylinder and the shape of the screw are somewhat different.

Next, as a method of determining the injection molding conditions;

1, extrusion

 Thermoplastic plastic materials are put on the surface of various thin substrates such as paper, cloth, cellophane, plastic, film, metal film, etc., heated and melted by using an extruder to make a fluid state, and then extruded in a thin film form at the T band and continuously It is a pressing method. The combination of the properties of the substrate and the characteristics of the extruded and compressed thermoplastics (waterproof, moisture proof, refractory chemical properties, flexible toughness, breathability, heat seal synthesis, etc.) creates a packaging volume layer material that adapts to a variety of applications, but is currently practical. Mainstream products are low density polyethylene, polypropylene, vinylene chloride resin and the like.

2, compression-molding

 In the most common molding method of the thermosetting resin, the molding material of the hollow fiber 10 introduced is put into a recessed hole (called a cavity) of heated molding and press-molded by a compression molding machine (press).

 The molding material is heated in the cavity and once flowed, spreads to every corner of the cavity and causes a simultaneous chemical reaction to cure.Then, after a suitable time (called curing time), the molding is opened, the molded product is taken out, and then finished after flash removal. To get the product. If the molding process is largely divided into molding process and finishing process. The molding process is performed by ① molding material processing weight (in some cases, the turret machine may be used for the turret processing) ② loading of material into the cavity (preheated beforehand)

 ③ Pressurization operation (low pressure pressurization, gas 뺌 high pressure pressurization) ④ hardening process ⑤ ejecting molded parts It is cleaning of molding.

In the finishing process, there are ① flash 뗌 ② gloss, etc., and large-size or thick-walled moldings are usually preheated at high frequency for efficiency and quality improvement, and the curing time is determined according to the molding temperature or the thickness of the molded product. It should be decided properly. Thermoplastics also have compression molding in the production of thick products or in the production of small silicon films. In this case, the trick is to take out the molded article by cooling the molding after heating and pressing the molding material. In general, compression molding is characterized in that a molded article having less internal stress is easy to obtain because the orientation of dielectric materials and molecules is smaller than that of injection molding or transfer molding.

 3, extrusion-blow molding

Extrusion blow molding is carried out by inserting into one or two flies or two or more moldings continuously extruded into a tube from an extruder by heating and melting the plastic material injected into the tube, closing the top and bottom, and then blowing air into the fly hands from the mandrel. The fly hand is a blow molding method that is most widely used at present in a method of making the hollow fiber 10 by bringing it into close contact with the molding inner wall.

 4, blow molding

 It is a method of softening by heating in a split molding and blowing a fly hand or a sheet into which thermoplastics are put, using pneumatic pressure or the like, and cooling it simultaneously when it is in close contact with the molding to obtain an air body. This is called blow molding or blow molding.

Usually, a hollow product by extruding a hot-melted thermoplastic molding material or inserting a Parisian or two-sheeted sheet preformed into a tube according to an injection method into a blow molding mold, followed by heat softening, and blowing air therein. Mold.

There are various types of blow molding according to the state molding method of flyson, and typical examples thereof include injection blow molding, extrusion blow molding, sheet blow method (sheet flyson method), direct blow molding, and injection blow molding.

5, casting

 It is a molding method in which a liquid retaining resin solution or a compounded rubber latex liquid is introduced into an open type or cotton, and solidified by drying (260) or a polymerization reaction in commerce. In thermoset plastics, it is used as monomer, prepolymer or polymer solution in the initial condensate or in free polymer thermoplastics.

 6, vacuum forming

 After heating and softening the injected thermoplastic plastic sheet, it is placed on the mold, and the gap between the tongue and the sheet is vacuumed, the sheet is brought into close contact with the surface of the mold and cooled to fix the phenomenon of the molded article. Take out the molded product. If a female is used, it is called a straight forming, and if a male is used, it is called a draping forming.

In the above, a preferred conventional molding method used in the manufacture of various hollow fibers 10 of the present invention has been described, and antibacterial power containing silver nano 20 of the present invention using any one or more preferred molding methods of the present invention. Excellent hollow fiber is born.

Figure 4 is a silver nano (20) coating process diagram of the antimicrobial hollow fiber 10 according to the present invention crosslinking agent and coating agent (not shown) on the surface of the hollow fiber 10 in the final step of the finished hollow fiber 10 0.01 to 30% by weight of the silver nano 20 is added to the vessel 220, heated 190, and then melted and stirred in an agitator, and the hollow fiber 10 is immersed in the vessel 220 to be deposited 240 or Injected into the injector and sprayed on the surface of the hollow fiber 10 to perform the coating (200) operation and drying after completion (260), the thickness of the coating 200 is 0.0l㎛ to 50㎛ (micrometer) The coating 200 is characterized in that.

The following is a photograph taken with an electron microscope of the cross section, side, and surface of the silver nano 20 of the present invention, respectively, is shown in the drawings for the understanding of the present invention.

5 is a photograph taken at 60,000 times magnification of the cross section of the silver nano 20 of the present invention.

FIG. 6 is a photograph taken at 80,000 times magnification of the side of the silver nano 20 according to the present invention.

FIG. 7 is a photograph of 50,000 times magnification of the surface of the silver nano 20 of the present invention by an electron microscope.

Figure 8 is a photograph of the antimicrobial activity of the strain into which the silver nano (20) of the present invention.

9 is Staphylococcus aureus, pneumococci, bacteria in which the silver nano 20 of the present invention is added.

MRSA (Methicillin-Resistant Staphylococcus Aureus) Bacteria Antimicrobial Test Picture.

10 is a three-dimensional structure diagram of the silver nano 20 of the present invention.

11 is a comparison graph of the conventional general fibers and silver nano (20) fibers of the present invention.

As a result, the block diagram of the antimicrobial hollow fiber 10 containing silver nano 20 and the fragrance of the present invention and the photos and the antimicrobial activity data of the silver nano 20 were examined. Follow the manufacturing method and process of the hollow fiber (10).

[Example]

Applicants have known the schematic process of the hollow fiber 10 to test this

Purchasing a silver ion generator that produces silver ions stably with high purity, a solution of 20 nanograms (PPM) of pure silver ionized water obtained by decomposing silver rods into D / C currents is prepared, and the silver nano (20) solution is placed in a sterilized tank. 20L of water was added, and two-year-old hollow fibers (10) having a high standard range of bacteria were extracted, and each silver was deposited (240) for 30 minutes in a nano silver solution to deposit silver ions, followed by drying in a dryer for 60 minutes, before and after silver solution treatment. The average values obtained by measuring Staphylococcus aureus, pneumococci, bacteria, and MRSA (methicillin-resistant Staphylococcus aureus) bacteria are shown briefly in the analysis table below, and they can be applied industrially with good results expected by the applicant. It confirmed and completed this invention.

The present invention is an excellent antimicrobial to sterilization and antibacterial function and silver ions and far-infrared radiation by mixing (180) or coating (200) silver nano (20) (Nano silver) to a variety of hollow fibers (10) made of a synthetic resin, poly-based It is characterized in that it has a hollow fiber (10).

As described above, the silver nano (20) (Nano silver) powder or nano (20) silver (Ag) solution having a number of advantages according to the present invention synthetic resin which is a material of the hollow fiber (10)

In the hollow fiber 10 made of a poly-based material, the silver nano 20 to 0.01 to 30 wt% has a particle diameter of 0.01 to 300 nm and a particle diameter of the silver nano 20. Coating 200 thickness is characterized in that the coating 200 to a thickness of 0.0l ㎛ to 50 ㎛ (micrometers), characterized in that the molding (160) coating (200) to thereby produce and breed bacteria and pathogens and microorganisms hollow fiber (10) can be used cleanly and sanitarily. In the above, the embodiments or preferred embodiments of the present invention are easily described.

Those skilled in the art to which the present invention pertains will understand that the present invention can be variously modified or modified without departing from the spirit and scope of the present invention and the scope of the patent described in the claims below.

The table below shows one example of a diagram in which Staphylococcus aureus, pneumococci, bacteria, and MRSA (Methicillin-resistant Staphylococcus aureus) bacteria were killed at 30% by 30% of silver nanoparticles. Nano 20 was found to have excellent sterilizing power.

test subject unit Number of strains  30% nano addition (after 30 minutes) Staphylococcus aureus CFU / mL 3.4 X 10 ³ 0 Pneumonia group CFU / mL 3.1 X 10 ³ 0 MRSA (Methicillin Resistant Staphylococcus Aureus) CFU / mL 1.3 X 10 ² 0 bacteria CFU / mL 3.4 X 10 ² 0

  (This test report is the analysis data of Korea Testing Institute)

Claims (7)

In the hollow fiber 10 which is a means for purifying a liquid sieve,  Silver nano (20) material having a particle size of 0.1 to 300nm is characterized in that 0.01 to 30% by weight based on the total weight 100% by weight of the hollow fiber mixed 180 in the hollow fiber 10 (180) 20 antibacterial hollow fiber. In the hollow fiber 10 for filtering water or blood, Silver nano (20) material of the thickness of 0.0l㎛ to 50㎛ (micrometer) in the hollow fiber 10 or hollow pores 40 at a ratio of 0.01 to 30% by weight based on 100% by weight of the total weight of the hollow fiber Silver nano-antibacterial hollow fiber, characterized in that the silver nano-coating (200) film is formed. delete delete delete The method of claim 1, Silver nano (20) yarn (thread) made of silver nano (20) material at the time of weaving (60) of hollow fiber (10) based on 100% by weight of the total weight of the hollow fiber silver nano (20) yarn 0.01 ~ Silver nano antibacterial hollow fiber, characterized in that the woven (60) or woven with 30% by weight. The method of claim 1, Silver nano (20) is put into the synthetic resin material of the hollow fiber (10) and this Silver nano-antibacterial hollow fiber, characterized in that the hollow fiber 10 by completing the extrusion (100) and shrink molding

Images