KR20130004774A - Organic-inorganic hybrid type complex composition excellent in antibacterial function - Google Patents
Organic-inorganic hybrid type complex composition excellent in antibacterial function Download PDFInfo
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- KR20130004774A KR20130004774A KR1020110066039A KR20110066039A KR20130004774A KR 20130004774 A KR20130004774 A KR 20130004774A KR 1020110066039 A KR1020110066039 A KR 1020110066039A KR 20110066039 A KR20110066039 A KR 20110066039A KR 20130004774 A KR20130004774 A KR 20130004774A
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K3/34—Silicon-containing compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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Abstract
Description
The present invention is an organic-inorganic hybrid transparent organic silver complex composition having excellent liquid stability and antimicrobial properties, the organic-inorganic hybrid transparent organic silver complex composition is characterized in that it comprises an organic silver complex and titanium dioxide having a photocatalytic function, The present invention relates to an anti-fungal agent, sick house syndrome, atopy and an environmentally friendly material having a special effect on allergy and antistatic.
In the present invention, in forming a coating layer formed of the organic-inorganic hybrid type transparent organic silver complex catalyst composition, silica and zeolite having a porosity in addition to titanium dioxide having a photocatalytic function are reacted with an organic silver complex compound to produce an environmentally friendly material having excellent antibacterial properties. It is about a method.
In general, the coating composition is made of a resin made in petrochemicals with chemicals as the main raw material. The paints thus produced are harmful to humans and the environment by releasing huge amounts of hazardous chemicals that are invisible during manufacturing and consumption. Due to the environmental damage caused by these hazards and the impact on the human body, the world is accelerating the production of eco-friendly paints, but the performance is limited due to various problems compared to the performance of paints using resins made by organic chemical methods. Is showing.
Recently, due to the improvement of income level and heightened interest in health, products with antimicrobial activity are coming out in various products in contact with the human body.
In particular, the need for antibacterial has emerged in IT, electrical and electronic components and construction. Various antimicrobial agents are coming out to prevent the growth of bacteria, and products using jade, ceramics, etc. are widely used as antimicrobial materials. However, the antibacterial products made of jade and ceramics are not able to completely antibacterial to all bacteria such as pneumococcus, Salmonella, 0-157, Staphylococcus, E. coli.
In place of the jade or ceramic as the antimicrobial agent, in recent years, silver (silver) having high antimicrobial activity using nanotechnology is used a lot. Typically, nano-technology refers to a technology for preparing a material such as silver into nano-sized particles, and processing the material into powder, porosity and agglomerate using the final material to maximize the performance of the material. This is when the grains of materials such as metals and ceramics are reduced to less than 100 nm, and new phenomena that are not explained by conventional theory appear. It is known that nano silver particles have antimicrobial properties, and nano silver particle materials are applied to various fields such as paints, photocatalysts, magnetic materials, electronic device sensors, catalysts, and biomaterials to create high added values.
In particular, these days, by using the antimicrobial properties of the nano-silver particles, a method of coating and using a variety of products in contact with the human body by including the nano-silver particles in the paint has been developed. However, if nano silver particles are included in the paint, the price of nano size silver particles is expensive. Although silver's disinfecting ability is practically function below the nano size, the price of the nano size silver particle is quite expensive, so it is not economical to commercialize, and the dispersibility, liquid stability and workability of the nano silver particle Have
An object of the present invention is to solve the problems of the prior art, to provide an organic-inorganic hybrid transparent organic silver complex composition excellent in antibacterial, dispersibility, liquid stability and workability.
In forming a coating layer formed of the organic-inorganic hybrid type transparent organic silver complex catalyst composition, a silica and zeolite having a porosity in addition to titanium dioxide having a photocatalytic function are reacted with an organic silver complex compound to provide an environmentally friendly material having excellent antibacterial properties. will be
The present invention to achieve the above object,
In addition to titanium dioxide having a photocatalytic function, silica and zeolite having porosity are reacted with an organic silver complex compound to provide an environmentally friendly composition having excellent antibacterial properties.
According to one embodiment of the present invention, the silver complex compound may be included in the environmentally friendly composition excellent in the antimicrobial 5 to 40% by weight.
According to one embodiment of the present invention, in addition to titanium dioxide having a photocatalytic function, silica and zeolite having porosity may be included in an environmentally friendly composition having excellent antimicrobial properties in an amount of 1 to 10% by weight.
According to an embodiment of the present invention, the silver complex compound may be obtained by reacting a silver-containing compound with an ammonium compound of Formula 1 below:
[Formula 1]
Wherein R 1 is (-CH 2- ) n, n is an integer from 0 to 5, R 2 is H, OH, alkoxy, alkylammonium or alkoxyammonium having 1 to 5 carbon atoms, substituted or unsubstituted primary , Secondary or tertiary amine.
The present invention reacts an organic silver complex compound with silica and zeolite having porosity in addition to titanium dioxide having a photocatalytic function to provide an organic-inorganic hybrid transparent organic silver complex composition having excellent antimicrobial, dispersibility, liquid stability and workability. will be.
In addition, the organic silver complex compound is present in the liquid state by ionic bonds, and can be evenly dispersed in silica and zeolites having porosity in addition to titanium dioxide. Can be represented.
1 is an embodiment of the complex composition excellent in organic-inorganic hybrid type antimicrobial properties in one embodiment of the present invention
Hereinafter, the present invention will be described in detail. However, this is for the purpose of illustrating the present invention and should not be construed as limiting the scope of the present invention.
In addition to the titanium dioxide having a photocatalytic function of the present invention, a composition having an antimicrobial function obtained by reacting an organic silver complex compound with silica and zeolite having a porosity is included.
According to one embodiment of the present invention, the organic silver complex compound may be included in an amount of 5 to 30% by weight in an environmentally friendly composition having excellent antibacterial properties. When the silver complex compound is added too much compared to the conductive polymer or carbon nanotube, oxidation of silver may occur, and when added too little, the antimicrobial activity may be deteriorated.
According to one embodiment of the present invention, in addition to titanium dioxide having a photocatalytic function, silica and zeolite having porosity may be included in an environmentally friendly composition having excellent antimicrobial properties. In addition to titanium dioxide and less silica and zeolite having a porosity than the silver complex compound, silver may be oxidized to reduce stability, and when added to a large amount, antimicrobial activity may be reduced.
Therefore, it is preferable to use a mixture of silver complex compound and titanium dioxide with porous silica, zeolite and the like in accordance with the antimicrobial activity and dispersibility, and in particular, it is preferable to use the mixture at an appropriate ratio according to the present invention.
The silver complex compound may generally be easily prepared by those skilled in the art according to methods used in the art, and according to one embodiment, may be obtained by reacting a silver-containing compound with an ammonium compound of Formula 1 below:
[Formula 1]
Wherein R 1 is (-CH 2- ) n, n is an integer from 0 to 5, R 2 is H, OH, alkoxy, alkylammonium or alkoxyammonium having 1 to 5 carbon atoms, substituted or unsubstituted primary , Secondary or tertiary amine.
According to one embodiment of the present invention, the silver-containing compound may be at least one selected from silver oxide, silver cyanide, silver cyanated silver, silver carbonate, silver nitrate, silver nitrite, silver phosphate, silver perchlorate .
Examples of the ammonium compound of Formula 1 include ammonium carbonate, ammonium carbonate, ammonium bicarbonate, ethyl ammonium ethyl carbamate, and the like.
The ammonium compound of Formula 1 and the silver-containing compound are preferably reacted at a molar ratio of 2 to 5: 1, and the reaction conditions can be easily selected by those skilled in the art.
According to the present invention, in the silica and zeolite having porosity in addition to titanium dioxide, titanium dioxide has an average particle diameter of 10 to 50 nanometers. Preferably it has a size of an average particle diameter of 10 to 20 nm.
Silica uses sodium silicate, lithium silicate, potassium silicate, silicate silicate, and the like, and preferably silicate silicate. It has an average particle diameter of 5 to 20 nm. Preferably it has a size of an average particle diameter of 7 to 14 nm.
Zeolites have an average particle diameter of 5 to 70 nanometers. Preferably it has a size of an average particle diameter of 5 to 10 nanometers.
According to one embodiment of the invention, the environmentally-friendly composition excellent in organic-inorganic hybrid antimicrobial may further comprise a binder. According to one embodiment of the invention the binder is a urethane-based, acrylic, urethane-acrylic copolymer; And thermosetting or photocurable resins such as polyimide, polyamide, polyether, olefin and melamine resins. According to one embodiment of the present invention, the binder may be included in an amount of 1 to 10% by weight in the environmentally friendly composition having excellent antimicrobial properties. When the binder is less than 1% by weight in the environmentally friendly composition excellent in antimicrobial properties, the adhesion to the adhered surface is reduced, and when more than 10% by weight may be reduced antibacterial.
The environmentally-friendly composition excellent in organic-inorganic hybrid antimicrobial property of the present invention may further include a stabilizer. According to one embodiment of the present invention, the stabilizer is a primary amine, secondary amine, tertiary amine compound or ammonium carbamate-based, ammonium carbonate-based, ammonium bicarbonate-based compound or a mixture of one or more selected from them, Specifically, ethyl ammonium ethyl carbamate, etc. are mentioned.
According to one embodiment of the present invention, the stabilizer may be included in 5 to 10% by weight in the environmentally friendly composition excellent in the antimicrobial properties. When the above range is exceeded, deterioration of liquid stability may occur, and when added below the above range, oxidative stability may deteriorate.
As a solvent that can be used in the environmentally-friendly composition having excellent organic-inorganic hybrid antimicrobial properties of the present invention, for example, water and methyl alcohol, ethyl alcohol, isopropyl alcohol, isobutyl alcohol, t-butyl alcohol, benzyl alcohol and ethylene One or more may be selected from alcohol types, such as glycol. Preferably water and lower alcohols can be selected.
According to an embodiment of the present invention, the solvent may be included in an environmentally friendly composition excellent in antibacterial 40 to 70% by weight. If it is added below or above the range, the viscosity may not be suitable, so a coating film may not be generated smoothly.
According to one embodiment of the present invention, the organic-inorganic hybrid antimicrobial environment-friendly composition is excellent in the organic silver complex compound 5-30% by weight, in addition to titanium dioxide 1-10% by weight, such as silica and zeolite, It may include 1 to 10% by weight of binder, 5 to 10% by weight of stabilizer, 40 to 70% by weight of water or organic solvent, and 0.1 to 5% by weight of additive (dispersant).
The present invention will be described in more detail with reference to the following Examples. The following examples are only preferred embodiments of the present invention, and the present invention is not limited to the following examples.
≪ Example 1 >
1-1. Silver complex compounds
35.0 g of viscous 2-ethylhexylammonium 2-ethylhexylcarbamate was added to a round flask, dissolved in 200 ml of methanol, and 10.0 g of silver oxide was added thereto, followed by reaction at room temperature for 6 hours. The reaction solution was blown off under a water base, and then all solvent was removed under vacuum to obtain a white silver complex compound.
1-2. Preparation of environment-friendly composition excellent in organic-inorganic hybrid type antibacterial property
10 wt% silver complex compound prepared in Example 1-1, 5 wt% titanium dioxide (10 nanometer average particle diameter), 3.5 wt% urethane-acrylic binder (Stahl Asia Pte Ltd., WF-4644), as a stabilizer 5% by weight of 2-ethylhexylamine, 54% by weight of methanol, 22% by weight of water and 0.5% by weight of dispersant were used to prepare an environmentally friendly composition having excellent organic-inorganic hybrid type antimicrobial properties.
<Example 2>
Preparation of environment-friendly composition having excellent organic-inorganic hybrid type antimicrobial activity
10 wt% of the silver complex compound prepared in Example 1-1, 5 wt% of silicic acid silicate (10 nanometer average particle diameter), 3.5 wt% of urethane-acrylic binder (Stahl Asia Pte Ltd., WF-4644), stable An environmentally friendly composition having excellent organic-inorganic hybrid type antimicrobial properties was prepared using 5% by weight of 2-ethylhexylamine, 54% by weight of methanol, 22% by weight of water and 0.5% by weight of dispersant.
<Example 3>
Preparation of environment-friendly composition having excellent organic-inorganic hybrid type antimicrobial activity
10 wt% of the silver complex compound prepared in Example 1-1, 5 wt% of zeolite (10 nanometer average particle diameter), 3.5 wt% of urethane-acrylic binder (Stahl Asia Pte Ltd., WF-4644), as a stabilizer 5% by weight of 2-ethylhexylamine, 54% by weight of methanol, 22% by weight of water and 0.5% by weight of dispersant were used to prepare an environmentally friendly composition having excellent organic-inorganic hybrid type antimicrobial properties.
≪ Comparative Example 1 &
10 wt% of nano silver particles (10 nanometers), 5 wt% of titanium dioxide (10 nanometers average particle diameter), 3.5 wt% of urethane-acrylic binder (Stahl Asia Pte Ltd., WF-4644), as a stabilizer 5% by weight of 2-ethylhexylamine, 54% by weight of methanol, 22% by weight of water and 0.5% by weight of dispersant were used to prepare an environmentally friendly composition having excellent organic-inorganic hybrid type antimicrobial properties.
Experimental Example
The physical property test results of the environmentally friendly composition excellent in the antimicrobial properties in Examples 1 to 3 and Comparative Example 1 are shown in Table 1 below.
[Table 1]
KICM-FIR showed that the environmentally friendly composition using organic silver complex compound showed superior antimicrobial activity of 15% or more with the measurement of 99.4 ~ 99.6% and 86.1% compared to the case of using nano silver, nano inorganic particles. It was confirmed by the -1002 measurement method.
Claims (6)
An organic-inorganic hybrid complex composition having an excellent antimicrobial activity, wherein the organic silver complex is contained in an organic silver complex composition having an excellent antimicrobial content in an amount of 5 to 30% by weight.
An organic-inorganic hybrid type excellent antimicrobial complex composition, characterized in that titanium dioxide, silica and zeolite are contained in the organic silver complex having excellent antimicrobial range in the range of 1 to 10% by weight.
The complex composition excellent in organic-inorganic hybrid-type antimicrobial properties, characterized in that the silver complex compound is obtained by reacting a silver-containing compound with an ammonium compound of the following [Formula 1]:
[Formula 1]
Wherein R 1 is (-CH 2- ) n, n is an integer from 0 to 5, R 2 is H, OH, alkoxy, alkylammonium or alkoxyammonium having 1 to 5 carbon atoms, substituted or unsubstituted primary , Secondary or tertiary amine.
The silver-containing compound is a complex composition having excellent organic-inorganic hybrid antimicrobial activity, characterized in that at least one selected from silver oxide, silver cyanide, silver cyanide, silver carbonate, silver nitrate, silver nitrite, silver phosphate, and silver perchlorate. .
The complex composition of claim 1, wherein the ammonium compound of Formula 1 is at least one selected from ammonium carbonate, ammonium carbonate, ammonium bicarbonate, and ethyl ammonium ethyl carbamate.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020110066039A KR20130004774A (en) | 2011-07-04 | 2011-07-04 | Organic-inorganic hybrid type complex composition excellent in antibacterial function |
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| KR1020110066039A KR20130004774A (en) | 2011-07-04 | 2011-07-04 | Organic-inorganic hybrid type complex composition excellent in antibacterial function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112725810A (en) * | 2020-12-24 | 2021-04-30 | 中国科学院海洋研究所 | Ag/Ag3PO4/TiO2Nanocomposite film material and application thereof |
| CN113265169A (en) * | 2021-07-20 | 2021-08-17 | 佛山市东鹏陶瓷发展有限公司 | Antibacterial antiviral formaldehyde-removing antifouling agent and preparation method thereof, glazed tile and preparation method thereof |
-
2011
- 2011-07-04 KR KR1020110066039A patent/KR20130004774A/en not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112725810A (en) * | 2020-12-24 | 2021-04-30 | 中国科学院海洋研究所 | Ag/Ag3PO4/TiO2Nanocomposite film material and application thereof |
| CN113265169A (en) * | 2021-07-20 | 2021-08-17 | 佛山市东鹏陶瓷发展有限公司 | Antibacterial antiviral formaldehyde-removing antifouling agent and preparation method thereof, glazed tile and preparation method thereof |
| CN113265169B (en) * | 2021-07-20 | 2021-11-05 | 佛山市东鹏陶瓷发展有限公司 | Antibacterial antiviral formaldehyde-removing antifouling agent and preparation method thereof, glazed tile and preparation method thereof |
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