KR101616861B1 - Method of manufacturing Antibiotic treated bio module by copper based sulfur compound - Google Patents

Method of manufacturing Antibiotic treated bio module by copper based sulfur compound Download PDF

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KR101616861B1
KR101616861B1 KR1020150152966A KR20150152966A KR101616861B1 KR 101616861 B1 KR101616861 B1 KR 101616861B1 KR 1020150152966 A KR1020150152966 A KR 1020150152966A KR 20150152966 A KR20150152966 A KR 20150152966A KR 101616861 B1 KR101616861 B1 KR 101616861B1
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handle
copper
contact material
non
resin
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KR1020150152966A
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Korean (ko)
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KR20160014566A (en
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백승우
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(주)비에스써포트
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/23Solid substances, e.g. granules, powders, blocks, tablets
    • A61L2/238Metals or alloys, e.g. oligodynamic metals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L2202/00Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10Apparatus features
    • A61L2202/16Mobile applications, e.g. portable devices, trailers, devices mounted on vehicles

Abstract

The present invention also provides a method for producing a contact material which is antimicrobially treated by a copper-based compound which is injected with a small amount, exhibits antimicrobial and antistatic properties at the same time, is prevented from coming off from the contact material, is highly durable and is inexpensive. The method comprises the step of coating a non-spherical copper-based compound dispersed in a base material, which is sandwiched by a hand held and carried by a handle, wherein the chemical structure of the compound is Cu x M y where M is at least one selected from the group of 16 in the periodic table (CuSO 4 ) and at least one selected from the group consisting of copper sulfate (CuSO 4 ), selenium flame, tellurium flame (CuSO 4 ) and zirconium oxide in an aqueous solution containing 10 to 50 wt% of at least one alcohol selected from ethanol, methanol, Is reacted at a molar ratio of 1: 1 to form a non-spherical copper-based compound.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method for manufacturing a microbial contact material,

The present invention relates to a method for producing an antibacterial contact material, and more particularly, to a method for producing a contact material in which antibacterial properties are improved by a copper-based compound and copper-based compound particles do not fall off.

The microbial contact material is a module that is operated by holding or contacting with the hand of the microorganism user. The contact material includes a handle, a button, and a toy. Man's hand has been known that bacteria of about 2 to 10,000 to 100,000 / cm 2 (including fungi) are lurking. In the case of a car handle, it is an enclosed environment in which the humidity and temperature suitable for cultivation are kept, so that the propagation speed of the bacteria is fast and about 100,000 / cm 2 There are various kinds of bacteria mentioned above. Sweat and foreign matter delivered by frequent contact with the driver's hand become a nutrient that bacteria can grow on the handle surface. Proliferative bacteria and fungi infect drivers and cause diseases such as respiratory illness, vomiting and headache. In particular, these bacteria may cause unpleasant odors through reproductive activities. Thus, infected contact materials can lead to filthy personal hygiene and may cause transmission of disease.

In order to solve these problems, Korean Patent No. 0257300 has added antibacterial and foaming properties by adding ceramic, zirconium phosphate, apatite, zeolite inorganic antibacterial agent and chemical foaming agent. Korean Patent Publication No. 2004-0025788 discloses a method of preventing eczema or sloughing caused by bacterial infection by mixing an octol component. The method disclosed in Korean Patent Publication No. 2006-0046835, Domestic Registered Utility Model No. 0403968, Domestic Patent No. 0837117 In the case of silver, silver or silver powder was used for antibacterial treatment. Domestic registered patent No. 0592947 and domestic registered utility model 0386370 added jade, charcoal, loess, polymer chitosan, silver nanomaterial and the like. Korean Patent No. 0687642 coated antimicrobial solution on the surface.

However, in order to have antimicrobial properties such as zirconium phosphate, apatite, zeolite antimicrobial agent, octal, charcoal, and loess of the above-mentioned patents, it is necessary to add a high concentration. As a result, the elastic force of the contact member rapidly drops. In addition, since the inorganic antimicrobial agent exhibits antibacterial property but does not have conductivity, a shock phenomenon caused by static electricity in winter can not be prevented. Silver or silver powders exhibit both antimicrobial and antistatic properties, but are too expensive to use. When an organic material such as high molecular weight chitosan is added or an antimicrobial material is coated on the surface of the contact material, the contact material and the durability of the contact material are poor. If the adhesion is poor, slipping occurs during operation, and if the durability is poor, long-term use is difficult.

A problem to be solved by the present invention is to provide a microbial contact material which is injected with a small amount and exhibits antimicrobial and antistatic properties at the same time, is prevented from dropping from the contact material, is durable, Method.

In order to solve the problems of the present invention, a method for producing a microbial contact material that is antibacterial treated with a copper-based compound is provided with a base material. Thereafter, in a solution containing 10 to 50 wt% of at least one alcohol selected from ethanol, methanol, propanol and butanol, copper sulfate (CuSO 4 ) and a salt selected from a sulfur flame, a selenium flame and a tellurium flame are mixed at a molar ratio of 1: 1 To form a non-spherical copper-based compound. The non-spherical copper based compound is dispersed or coated on the base material.

In the method according to the present invention, when the base material is a polymer, the polymer has a melting point T m of resin and the melting point (T m -30 ℃) is a mixture of at least two polymeric resin selected from the polymeric resin or more, the mixing The melt extrusion of the resin can proceed at (T m + 20 ° C) to (T m + 50 ° C), and can be heat treated at a temperature range of (T m -30 ° C or above) to T m .

According to the method for producing a microbial contact material which is antimicrobially treated with the copper-based compound of the present invention, a small amount of non-spherical copper compound (Cu x M y ) fine particles is mixed with the polymer resin, And is prevented from dropping out from the contact material, has high durability, and can lower the price compared to silver. Further, the difference in melting point of the polymer resin used for the polymer contact material can be set to 30 占 폚 or more, thereby enhancing the adhesion to the hands of the driver.

1 is a graph for explaining a full width at half maximum (FWHM) for calculating a peak width of copper sulfide applied to the present invention.
2 is an electron micrograph showing the shape of copper sulfide produced by the present invention.
3 is a photograph showing the microstructure of the contact material produced by the present invention.
4A to 4C are photographs showing antibacterial characteristics against two strains when the content of copper sulfide of the present invention is 0 wt% and 1 wt%, respectively.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below can be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. The embodiments of the present invention are provided to enable those skilled in the art to more fully understand the present invention.

An embodiment of the present invention is characterized by mixing small amounts of non-spherical copper-based compound (Cu x M y ) microparticles and simultaneously introducing a small amount thereof, simultaneously exhibiting antibacterial and antistatic properties, preventing dropout from the contact material, This cheap contact material and a manufacturing method thereof are presented. For this purpose, non-spherical copper compounds will be specifically described, and the properties of the contact material to which the compound is applied will be described in detail. The non-spherical copper based compound applied to the embodiment of the present invention is coated or dispersed in the microbial contact material.

The microorganism contact material of the present invention refers to all kinds of knobs, buttons, toys, a computer mouse, or a computer keyboard, etc., which are carried by a user who holds the microorganism by hand or by contact. A representative example of the handle is a handle or a cover of a vehicle such as an automobile, a bicycle, or a motorcycle. Herein, the cover also includes a cover for an existing handle for decoration or other purposes by the user. Other examples where the handle is applied include a stroller handle, a toy car handle, an elderly mobile handle and a cart handle for a mart, a handle for a bus or a subway, a handle for a door, a handle for furniture, a handle for a medical instrument, a handle for a refrigerator, have. At this time, the handle is included as the cover. For example, the door handle may be said to be within the scope of the present invention because the user grasps the handle and opens and closes the door. Examples of buttons include elevator buttons, ATM buttons, and the like.

Copper based compound (Cu x M y ) fine particles were synthesized by adding aqueous solution of copper sulfate and one element selected from sulfur, selenium and tellurium among the chemical elements contained in the 16 group periodic (calc - kogen) group into aqueous solution. Among them, in particular, in the case of synthesizing a copper-based sulfide (Cu x S y ) Sulfur flame was used. When the shape of the copper-based compound fine particles is spherical, they easily fall off from the contact material. In order to increase the bonding strength with the polymer resin, non-spherical copper-based compound fine particles are preferable. The spherical shape indicates that the maximum long diameter and the minimum short diameter of the fine particles are substantially equal to each other, but the ratio of the maximum long diameter (a) to the minimum short diameter (b) is preferably at least 30% Do. The non-spherical shape may be an elliptical shape, a needle shape, a plate shape, a ring shape, or the like, and more preferably, the surface of the fine particles is not uniform and may not be smooth due to unevenness.

The synthesis of the copper-based compound fine particles is not limited to this, but it is possible to refer to Korean Patent Publication No. 2014-0016130. As the non-spherical copper-based compound fine particles, an aqueous solution containing 10 to 50 wt% of at least one alcohol selected from ethanol, methanol, propanol, butanol and the like was used as a solvent. The shape of the copper-based compound fine particles is determined according to the alcohol concentration and the type of the alcohol. In the case of copper sulfide, if the alcohol content is 10 wt% or less, it is synthesized into a non-spherical shape. When added in an amount of 50 wt% or more, it is insufficiently dissolved in an aqueous solution of copper sulfate and a sulfur flame. As a result, the produced copper sulfide does not satisfy the molar ratio of x / y of 0.8 to 1.5, resulting in excessive sedimentation.

If the molar ratio of x / y is less than 0.8, the inherent physical properties of the copper-based compound can not be obtained. If the mole ratio is more than 1.5, the antibacterial and antistatic properties are deteriorated. The synthesized fine particles larger than 0 wt% and less than 50 wt% are mixed with the polymer resin to produce a contact material.

The contact material of the present invention can be prepared by dispersing the non-spherical copper-based compound in the base polymer, ceramics and metal. According to the base material constituting the contact material, it can be defined as a polymer contact material, a ceramic contact material and a metal contact material. In the case of ceramics and metals, fine porosity can be formed in a base material in which a copper compound is dispersed by a foaming agent, gas extraction or the like when it is produced as a contact material. By the micropores, the adhesion between the user's hands and the contact material can be enhanced. In the case of ceramics and metals, a contact material can be produced by extrusion molding or the like. The contact material made of ceramics and metal can be utilized mainly as a door handle, a furniture handle, a button, and the like.

The polymer resin is preferably at least two selected from a polyester resin, a polyolefin resin, a polyurethane resin, a polycarbonate resin, a polyacrylic resin, and a silicone resin. Examples of the polyester resin include PET, PEN, PBT and PLA, and the olefin resin includes PP, LDPE, LLDPE and HDPE. PU, PC, ABS, PMMA, and silicone resins are also good. The difference in melting point (T m ) of the selected polymer resin is preferably at least 30 ° C. As described above, when the melting point is different, the micropores can be contained in the contact material. The micropores enhance adhesion between the driver's hands and the contact material. For this purpose, it is necessary to uniformly form the micropores in the polymer resin. When micropores are formed with a chemical foaming agent as in the conventional art, the physical properties of the polymer resin deteriorate. As in the embodiment of the present invention, when two or more kinds of polymer resins having a melting point (T m ) temperature difference of at least 30 ° C are mixed, fine pores are generated in the polymer resin because they are not mixed with each other in a molten state.

When a resin having a melting point T m and a resin (T m -30 ° C or higher) are mixed, it is preferable to use the resin having a melting point (T m -30 ° C or higher) in the range of 0.1 to 50 wt%. If the amount of the resin (T m -30 캜 or higher) is 0.1 wt% or less, micropores do not occur in the resin. If it is 50 wt% or more, the fluidity of the resin becomes excessively high, and the contact material can not be produced. The mixing process of the two resins is performed according to known kneading equipment and conditions, and in particular, the melt extrusion proceeds from (T m + 20 ° C) to (T m + 50 ° C). After the molding, the micropores can be formed inside the polymer resin by heat treatment in a temperature range of (T m -30 ° C or higher) to T m .

The microbial contact material according to the embodiment of the present invention can be produced by coating the base material with a non-spherical copper compound. At this time, the base material is formed in the shape of the contact material. The coating of the compound according to an embodiment of the present invention may use wet application. Wet application is advantageous in that the bonding strength is lower than that of plating or vapor deposition, but the method is simple and inexpensive. The wet coating may be carried out by adding 1 to 30 wt% of a non-spherical copper compound powder to a solvent mixed with IPA, toluene, benzene, a binder, etc. and sufficiently dispersing the mixture. The wet coating is then performed by dip coating, spray coating, It can be coated on ash. The concentration of the compound determines the concentration, considering the dispersibility and the thickening phenomenon. When a dispersant is used, it is possible to prepare a coating solution at a high concentration.

The thickness of the coating is suitably about 300 to 600 Å, and the thickness can be controlled by repeating the coating or adjusting the viscosity of the coating solution. The coated contact material is dried and the drying step is preferably divided into a first stage low temperature drying step and a second step sintering step. The first step is to gradually remove the moisture and the solvent of the coating liquid, and it is preferable to dry thoroughly at 90 to 100 ° C for 1 to 2 hours. The second step is to increase the binding force between the compounds. For example, copper sulphide tends to decompose at 400 ° C, so sintering at 200 to 300 ° C for 1 to 2 hours is recommended. When the coating is dried at an excessively high temperature and for a long time, the coating film is split and the aesthetic appearance is deteriorated and the sulfur component is released, resulting in a remarkably poor antibacterial property. Especially in the case of spray coating, it is better to use a supercritical fluid such as carbon dioxide to prepare a coating solution. Supercriticals can eliminate the harmfulness of organic solvents and shorten the drying time.

Hereinafter, the present invention will be described in detail with reference to the following examples. However, the examples below are intended to be illustrative of the present invention, but the present invention is not limited thereto. Analysis of the samples prepared in Examples and Comparative Examples of the present invention was carried out as follows. At this time, copper sulfide is used as the copper-based compound, and the polymer contact material will be mainly described.

(1) Antimicrobial activity

According to JIS Z 2801 evaluation method, Staphylococcus aureus ATCC 6538P and Escher coli AYCC 8739 as a strain, the test strain was contacted with the test specimen, and then incubated at 25 ° C for 24 hours. The antimicrobial activity (%) was evaluated in comparison with the test specimen without the antimicrobial agent.

 (2) Antistatic property

According to the KS K 0180 evaluation method, a specimen having an area of 50 mm × 50 mm was measured for the specific surface resistance at 20 ± 2 ° C., 40 ± 2 RH% and an applied voltage of 500 V by using an insulation resistance meter of Hewlett-Packard Company, USA Respectively.

(3) Composition analysis

The concentration of Cu / S was measured using EDS (Energy Dispersive Spectrometer, Agilent 7500, Aglient Technologies Inc., USA) and the molar ratio of Cu to S (x / y) was calculated.

(4) Adhesion

The specimens were allowed to stand for 24 hours at 20 ± 2 ° C and 40 ± 2 RH%, and then the adhesiveness was evaluated through contact with the human skin. Relatively good (∘), moderate (△) and poor Three levels.

(5) Dropout prevention property

(TN05-14, R & B Inc., Korea) was used to evaluate the detachability of fine particles due to repeated use, and after 10 times contact abrasion between the samples attached to the rolls, excellent abrasion resistance (?), Normal (?) And poor (x).

Example  One

To a 500 mL beaker of aqueous solution was added CuSO 4 70g and 50 g of Na 2 S was added and stirred well at room temperature. To prepare the non-spherical powder, ethanol was added to each 10 wt% (total 20 wt%) beaker additionally and mixed. A solution of two beakers in which the two substances were fully dissolved was added to the reactor little by little and stirred for 1 hour at room temperature for 1 hour. After stirring for 1 hour, the copper-based sulfide powder precipitates at the bottom of the reactor. At this time, the step of removing the supernatant and then adding distilled water and washing was repeated 3 to 5 times to sufficiently remove the remaining unreacted material. When the unreacted material remains, a sulfur odor is generated and the antimicrobial and antistatic properties are deteriorated due to the side reaction. The solids were separated through a filter and dried in an oven at 65 ° C for 24 hours to obtain needle-like particles as shown in FIG. The x / y molar ratio of the copper-based sulfides measured after batching was 1.2.

1 wt% of the synthesized copper-based sulfide particles, 70 wt% of PLA (polylactic acid) having a melting temperature of 170 캜, and 29 wt% of LDPE (low density polyethylene) having a melting temperature of 105 캜 were mixed and kneaded at 210 캜 Chip. The chip thus manufactured can be used as a contact material. The material was then heat treated at 150 ° C. for 30 seconds to melt the LDPE mixed with the PLA to form fine pores as shown in FIG. At this time, the egg-like ellipsoid is an LDPE resin which is present in the PLA and is insoluble.

The antimicrobial activity of the thus produced contact materials was evaluated against the strains (1) and (2). Here, the strain (1) was Staphylococcus aureus ATCC 6538P, and the (2) strain was Escher coli AYCC 8739. As a result, antibacterial activity was confirmed as shown in Figs. 4A to 4C. FIG. 4A is a photograph of the case where copper sulfide microparticles are not contained, and FIGS. 4B and 4C are photographs of the contact material containing 1 wt% of copper sulfide, respectively, as the strains 1 and 2, respectively. 4B and 4C, the antimicrobial activity of the strains (1) and (2) was 99.9% or more.

Example  2 to 5 and Comparative Example  1-5

The antimicrobial activity, antistatic property and adhesion property of the specimens prepared in the same manner as in Example 1 were compared while changing the experimental conditions as shown in Table 1 below. At this time. "↑" means greater than the proposed measurement.


division
Copper-based fine particles Polymer resin Properties
Furtherance
rectangle
Whether
x / y
density
(wt%)
PLA Polyolefin Antimicrobial activity (%) Antistatic
(Ωcm)
wheat
Cling
castle
mask
Rock
room
G
Tm
(° C)
wt% Tm
(° C)
wt%

room
city
Yes
One Cu x S y × 1.2 One 170 70 105 29 99.9 ↑ 99.9 ↑ 10 9
2 Cu x S y × 1.1 5 165 80 102 15 99.9 ↑ 99.9 ↑ 10 8 3 Cu x S y × 1.1 10 160 85 110 5 99.9 ↑ 99.9 ↑ 10 7 4 Cu x S y × 0.9 30 169 65 95 5 99.9 ↑ 99.9 ↑ 10 6 5 Cu x S y × 0.8 50 162 25 105 25 99.9 ↑ 99.9 ↑ 10 5
ratio
School
Yes
One Cu x S y 1.9 One 172 70 100 29 85.5 86.1 10 15 ×
2 Cu x S y 3.1 5 164 80 128 15 88.3 85.9 10 15 × 3 Cu x S y 1.2 2 158 90 145 8 99.9 ↑ 99.9 ↑ 10 10 × 4 Cu x S y 1.1 10 160 20 145 70 99.9 ↑ 99.9 ↑ 10 8 × 5 Cu x S y 0.7 60 169 10 152 30 75.8 75.3 10 8 × ×

①; Staphylococcus aureus ATCC 6538P as a strain

②; Escher Using coli AYCC 8739 as a strain

PLA; POLY LACTIC ACID

According to Table 1, the copper sulfide of Examples 1 to 5 was non-spherical, and the molar ratio of x / y was 0.8 to 1.2. That is, Example 1 was 1.2, Example 2 was 1.1, Example 3 was 1.1, Example 4 was 0.9, and Example 5 was 0.8. The antimicrobial and antistatic properties of Examples 1 to 5 were excellent, and they were preferable for the contact material of the present invention. On the other hand, the molar ratio of x / y of Comparative Example 1 was 1.9 and that of Comparative Example 2 was 3.9, which was lower than Examples 1 to 5 in antibacterial and antistatic properties. Further, in the case of Comparative Example 3, it was found that the antimicrobial and antistatic properties were worse than those of Examples 1 to 5 because the molar ratio of x / y was 0.7. Accordingly, the molar ratio of x / y of copper sulfide according to the embodiment of the present invention is more preferably 0.8 to 1.2.

Examples 1 to 5 of the present invention used a polymer resin in which PLA and polyolefin were blended with a melting point of 30 ° C or higher. Example 1 had a difference in melting point of 65 占 폚, Example 2 was 63 占 폚, Example 3 was 50 占 폚, Example 4 was 74 占 폚, and Example 5 was 57 占 폚. The adhesiveness of Examples 1 to 5 was excellent and was preferable for the contact material of the present invention. However, in Comparative Examples 3 to 5, in which the melting point difference was 13 占 폚, 15 占 폚, and 17 占 폚, respectively, the adhesiveness became very poor, which was not suitable as the contact material of the present invention.

In the present invention, the non-spherical copper sulfide fine particles to be applied to the contact material preferably have a ratio of x / y of 0.8 to 1.5. It is also preferable that the polymer resin of the material is a resin in which the difference in melting point is at least 30 ° C or more. Of course, the contact material, which does not greatly depend on the adhesion, may not have a difference in melting point as described above. Particularly, by using copper sulfide in a non-spherical shape, a contact material excellent in antimicrobial property, antistatic property and anti-dropping property could be produced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but many variations and modifications may be made without departing from the scope of the present invention. It is possible.

Claims (7)

  1. Preparing a base material;
    (CuSO 4 ) and a salt selected from a sulfur flame, a selenium flame and a tellurium flame in an aqueous solution containing 10 to 50 wt% of at least one alcohol selected from ethanol, methanol, propanol and butanol in a molar ratio of 1: 1 Forming a non-spherical copper-based compound whose chemical structure is Cu x M y (where M is any one selected from group 16 in the periodic table, x / y = 0.8 to 1.5); And
    And dispersing or coating the non-spherical copper-based compound on the base material, wherein the copper-based compound is antibacterially treated.
  2. The method of claim 1, wherein, in the case of the base material is a polymer, the polymer has a melting point T m of resin and the melting point is at least two selected from the polymeric resin or higher (T m -30 ℃) polymer and resin are mixed, the mixed resin (T m + 20 ° C) to (T m + 50 ° C) and heat-treated in a temperature range of (T m -30 ° C or higher) to T m . Lt; / RTI >
  3. The method according to claim 1, wherein the non-spherical shape has a ratio of a maximum major axis (a) to a minimum minor axis (b) of at least 30% or more.
  4. The method according to claim 1, wherein the non-spherical shape is at least one selected from elliptical, acicular, plate, or annular shapes.
  5. The method for producing a microbial contact material according to claim 1, wherein the non-spherical surface is uneven.
  6. The method for producing a microbial contact material according to claim 1, wherein the base material is made of ceramic, metal or polymer resin.
  7. The apparatus of claim 1, wherein the contact member comprises a handle including a car handle, a bicycle handle, a motorcycle handle, a stroller handle, a toy car handle, an elderly mobile handle, a mart cart handle, a bus or train handle, A handle, a refrigerator handle, a kitchen knob, a computer mouse, or a computer keyboard, and is carried by a user's hand or in contact with the user. A method for manufacturing an antibacterial treated microbial contact material.
KR1020150152966A 2015-11-02 2015-11-02 Method of manufacturing Antibiotic treated bio module by copper based sulfur compound KR101616861B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001220305A (en) 2000-11-30 2001-08-14 Sumitomo Osaka Cement Co Ltd Antibacterial, mildewproof and algaproof article and method for producing the same
KR101406779B1 (en) 2013-01-22 2014-06-17 (주)비에스써포트 Thermoplastic resin fiber having nano particle of conductive copper compound and method of manufacturing the fiber

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09256226A (en) * 1996-03-22 1997-09-30 Sakai Chem Ind Co Ltd Alginate fiber containing antimicrobial substance and its production
US8522585B1 (en) * 2006-05-23 2013-09-03 Pmx Industries Inc. Methods of maintaining and using a high concentration of dissolved copper on the surface of a useful article

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001220305A (en) 2000-11-30 2001-08-14 Sumitomo Osaka Cement Co Ltd Antibacterial, mildewproof and algaproof article and method for producing the same
KR101406779B1 (en) 2013-01-22 2014-06-17 (주)비에스써포트 Thermoplastic resin fiber having nano particle of conductive copper compound and method of manufacturing the fiber

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