CN111715497A - Antibacterial base material containing metal ions or oxides thereof and preparation method thereof - Google Patents
Antibacterial base material containing metal ions or oxides thereof and preparation method thereof Download PDFInfo
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- CN111715497A CN111715497A CN202010543029.XA CN202010543029A CN111715497A CN 111715497 A CN111715497 A CN 111715497A CN 202010543029 A CN202010543029 A CN 202010543029A CN 111715497 A CN111715497 A CN 111715497A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2201/00—Polymeric substrate or laminate
- B05D2201/02—Polymeric substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
- B05D2203/35—Glass
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses an antibacterial base material containing metal ions or oxides thereof and a preparation method thereof. Selecting an antibacterial agent containing metal ions or metal oxides, and taking silicon dioxide nanoparticles as a bonding agent; the processing technology is simple and adjustable, the substrate can be made of ceramic, plastic and other materials, the substrate materials are diversified, and the silicon dioxide nano particles have good bonding effect on the ceramic, plastic and other substrates.
Description
Technical Field
The invention relates to an antibacterial base material and a preparation method thereof.
Background
Antibacterial coatings and antibacterial products, which are mainly metal oxides, such as those with silver ions, titanium ions, etc., prevent bacteria from multiplying and surviving by breaking the cell walls of the bacteria. Antibacterial agents and bactericides such as silver ions and titanium ions cannot be effectively combined with ceramics and plastics for a long time and play a role.
Disclosure of Invention
The invention aims to solve the technical problem of an antibacterial base material and a preparation method thereof, and the antibacterial agent/bactericide of metal ions or metal oxides is used, and the antibacterial/bactericidal function can be added on special base materials such as glass, plastic and the like.
The invention is realized by the following technical scheme: an antibacterial substrate containing metal ions or oxides thereof and a preparation method thereof are provided, which comprises a substrate, wherein the upper end surface of the substrate is provided with an antibacterial coating.
As a preferred technical scheme, the antibacterial coating is bonded on the surface of the base material through a bonding layer.
As a preferred technical scheme, the antibacterial coating is directly mixed in the silicon dioxide nano particles and then is combined with the substrate.
As a preferred technical scheme, a silk-screen printing or functional coating is added on the other surface of the base material.
As a preferred technical solution, alternatively, a functional coating is disposed between the antibacterial coating and the adhesive layer.
As a preferred technical solution, the metal ion or metal oxide antibacterial agent includes but is not limited to silver ion or titanium ion or zinc ion or copper ion.
As a preferred technical scheme, the bonding layer is prepared by mixing silicon dioxide nano particles, water, formaldehyde, methanol, ethanol, isopropanol, sodium hydroxide, sulfuric acid, nitric acid, hydrochloric acid, a leveling agent, a stabilizer and an auxiliary agent, and the antibacterial coating is fixed on the surface of the substrate through the bonding layer.
A method for preparing an antibacterial base material containing metal ions or oxides thereof comprises the following specific steps:
the steps herein, if performed by mixing the antimicrobial agent with the tie layer, may be performed directly by processing the coating by one or more of the following: and (3) carrying out processes such as coating/spraying/rolling coating/spin coating and the like, and curing the finished base material.
If a functional coating is desired, it may be added over the mixed liquor coating.
The processing method comprises the following steps:
step one, selecting any base material needing antibacterial treatment, and then arranging the bonding layer on the base material in any way;
step two, arranging a functional coating or not at the upper end of the bonding layer according to the actual use environment;
thirdly, arranging a layer of antibacterial coating made of metal ions or metal oxides on the upper end of the silicon dioxide nano particles or the upper end of the functional coating;
step four, processing the coating by adopting one or more of the following modes: coating/spraying/rolling coating/spin coating and the like, and curing the finished base material;
in the fifth step and the fourth step, the curing temperature of the base material is 40-300 ℃, the curing time is 30-180 minutes, and the curing temperature and the curing time are changed along with the change of the antibacterial concentration and the change of the required temperature.
The second processing method comprises the following steps: the mixed combination of the antibacterial component and the silica particles,
step one, the antibacterial component is combined with the silicon dioxide particles according to the requirement
Step two, processing the coating to the substrate by adopting one or more of the following modes: coating/spraying/rolling coating/spin coating and the like, and curing the finished base material;
the curing temperature of the substrate is 40-300 ℃, the curing time is 30-180 minutes, and the curing temperature and curing time vary with the antimicrobial concentration and the desired temperature.
The invention has the beneficial effects that: selecting an antibacterial agent of nonmetal and/or metal ions or metal oxides, and taking silicon dioxide nanoparticles as an adhesive; the processing technology is simple and adjustable, the substrate can be made of ceramic, plastic and other materials, the substrate materials are diversified, and the silicon dioxide nano particles have good bonding effect on the ceramic, plastic and other substrates.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the antibacterial substrate of the present invention includes a substrate 4, an antibacterial coating 1 is disposed on an upper end surface of the substrate 4, and the antibacterial coating 1 employs an antibacterial agent of metal ions or metal oxides.
In this embodiment, the antibacterial coating may be adhered to the surface of the substrate by an adhesive layer, or the antibacterial coating may be directly mixed with the silica nanoparticles and then bonded to the substrate, or both of them may be used as long as the antibacterial coating can be bonded to the substrate.
Wherein, the other side of the substrate 4 is added with a silk-screen printing or functional coating, or a functional coating 2 is arranged between the antibacterial coating 1 and the bonding layer 3. In this embodiment, the functional coating may have, but is not limited to, functions of anti-glare, anti-reflection, light absorption, anti-fingerprint, anti-moire, brightness enhancement, anti-reflection, contrast enhancement, color gamut enhancement, and the like.
In this embodiment, the metal ion or metal oxide antibacterial agent includes, but is not limited to, silver ion, titanium ion, zinc ion, copper ion, and the like, and related oxides thereof.
The adhesive layer 3 is prepared by mixing silicon dioxide nano particles, water, formaldehyde, methanol, ethanol, isopropanol, sodium hydroxide, sulfuric acid, nitric acid, hydrochloric acid, a leveling agent, a stabilizer and an auxiliary agent, and the antibacterial coating is fixed on the surface of the substrate through the adhesive layer.
The method comprises the following specific steps:
selecting any base material needing antibacterial treatment, and then arranging the bonding layer on the base material in any way;
the upper end of the bonding layer can be provided with a functional coating or not according to the actual use environment;
(III) arranging a layer of antibacterial coating made of metal ions or metal oxides on the upper end of the silicon dioxide nano particles or the upper end of the functional coating;
fourthly, curing the base material after the coating/spraying/rolling coating/spin coating is finished;
(V) the curing temperature of the base material is 40-300 ℃, and the curing time is 30-180 minutes. The curing temperature and curing time will vary with the antimicrobial concentration, and the desired temperature. The temperature and time are not limited to those described above.
The second processing method comprises the following steps: the mixed combination of the antibacterial component and the silica particles,
step one, the antibacterial component is combined with the silicon dioxide particles according to the requirement
Step two, processing the coating to the substrate by adopting one or more of the following modes: coating/spraying/rolling coating/spin coating and the like, and curing the finished base material;
the curing temperature of the substrate is 40-300 ℃, the curing time is 30-180 minutes, and the curing temperature and curing time vary with the antimicrobial concentration and the desired temperature.
Aiming at different use environments, selection of base materials and the like, the invention provides the following construction methods:
the first method comprises the following steps: firstly, coating/spraying/rolling coating/spin-coating silicon dioxide nano particles on a base material, then coating/spraying/rolling coating/spin-coating other functional coatings, finally coating/spraying/rolling coating/spin-coating an antibacterial/bactericidal solvent, and curing. The process is suitable for products with functional coating requirements and requirements on durable antibacterial/bactericidal functions and the like.
And the second method comprises the following steps: firstly, coating/spraying/rolling coating/spin-coating silicon dioxide nano particles on a base material, then coating/spraying/rolling coating/spin-coating other functional coatings, finally coating/spraying/rolling coating/spin-coating an antibacterial/bactericidal solvent, and curing. The process is suitable for products with functional coating requirements and requirements on durable antibacterial/bactericidal functions and the like.
And the third is that: firstly, coating/spraying/rolling coating/spin-coating silicon dioxide nano particles on a base material, then coating/spraying/rolling coating/spin-coating other functional coatings, finally coating/spraying/rolling coating/spin-coating an antibacterial/bactericidal solvent, and curing. The process is suitable for products with functional coating requirements and requirements on durable antibacterial/bactericidal functions and the like.
And fourthly: firstly, coating/spraying/rolling coating/spin coating silicon dioxide nano particles on a base material, coating/spraying/rolling coating/spin coating an antibacterial/bactericidal solvent, and curing. The process is suitable for products with improved durability of the antimicrobial/germicidal coating.
And a fifth mode: firstly, coating/spraying/rolling coating/spin coating silicon dioxide nano particles on a base material, curing, then coating/spraying/rolling coating/spin coating an antibacterial/bactericidal solvent, and then curing. The process is suitable for products with enhanced antibacterial/bactericidal coating, antibacterial/bactericidal efficiency.
And a sixth mode: firstly, mixing the silicon dioxide nano particles and the antibacterial component according to the needs, coating/spraying/rolling coating/spin coating the mixture on a base material, and curing. The process reduces production steps and improves production efficiency.
The invention has the beneficial effects that: selecting an antibacterial agent of nonmetal and/or metal ions or metal oxides, and taking silicon dioxide nanoparticles as an adhesive; the processing technology is simple and adjustable, the substrate can be made of ceramic, plastic and other materials, the substrate materials are diversified, and the silicon dioxide nano particles have good bonding effect on the ceramic, plastic and other substrates.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (8)
1. An antibacterial base material containing metal ions or oxides thereof and a preparation method thereof are characterized in that: the antibacterial coating comprises a base material, wherein the upper end surface of the base material is provided with a layer of antibacterial coating, and the antibacterial coating adopts metal ions or metal oxide antibacterial agents.
2. The antibacterial substrate containing metal ions or oxides thereof according to claim 1, characterized in that: the antibacterial coating is bonded on the surface of the base material through the bonding layer.
3. The antibacterial substrate containing metal ions or oxides thereof according to claim 1, characterized in that: the antimicrobial coating is mixed directly within the silica nanoparticles and then bonded to the substrate.
4. The antibacterial substrate containing metal ions or oxides thereof according to claim 1, characterized in that: and a silk-screen printing or functional coating is added on the other surface of the base material.
5. The antibacterial substrate containing metal ions or oxides thereof according to claim 1, characterized in that: or a functional coating is arranged between the antibacterial coating and the bonding layer.
6. The antibacterial substrate containing metal ions or oxides thereof according to claim 1, characterized in that: the metal ion or metal oxide antimicrobial agents include, but are not limited to: silver ions or titanium ions or zinc ions or copper ions.
7. The antibacterial substrate containing metal ions or oxides thereof according to claim 1, characterized in that: the adhesive layer is prepared by mixing silicon dioxide nano particles, water, formaldehyde, methanol, ethanol, isopropanol, sodium hydroxide, sulfuric acid, nitric acid, hydrochloric acid, a flatting agent, a stabilizer and an auxiliary agent, and the antibacterial coating is fixed on the surface of the substrate through the adhesive layer.
8. A preparation method of an antibacterial base material containing metal ions or oxides thereof is characterized by comprising the following specific steps:
step one, selecting any base material needing antibacterial treatment, and then arranging the bonding layer on the base material in any way; or, mixing the antibacterial material and the bonding layer as required, and then directly processing the mixed solution to the substrate, wherein the processing method comprises the following steps: one or more of coating, spraying, rolling coating and spin coating processes, then heating and curing, wherein the curing temperature is 40-300 ℃, the curing time is 30-180 minutes, and the curing temperature and the curing time change along with the change of antibacterial concentration and the change of required temperature;
step two, arranging a functional coating or not at the upper end of the bonding layer according to the actual use environment;
thirdly, arranging a layer of antibacterial coating made of metal ions or metal oxides on the upper end of the silicon dioxide nano particles or the upper end of the functional coating;
curing the base material which is finished by any one of smearing, spraying, rolling and spin coating;
in the fifth step and the fourth step, the curing temperature of the base material is 40-300 ℃, the curing time is 30-180 minutes, and the curing temperature and the curing time are changed along with the change of the antibacterial concentration and the change of the required temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010543029.XA CN111715497A (en) | 2020-06-15 | 2020-06-15 | Antibacterial base material containing metal ions or oxides thereof and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010543029.XA CN111715497A (en) | 2020-06-15 | 2020-06-15 | Antibacterial base material containing metal ions or oxides thereof and preparation method thereof |
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| CN111715497A true CN111715497A (en) | 2020-09-29 |
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| CN202010543029.XA Pending CN111715497A (en) | 2020-06-15 | 2020-06-15 | Antibacterial base material containing metal ions or oxides thereof and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679106A (en) * | 2021-01-06 | 2021-04-20 | 苏州艾朗智能科技有限公司 | Novel antibacterial glass |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417748A (en) * | 2011-12-06 | 2012-04-18 | 海南大学 | Efficient environment-friendly antibacterial mildew-proof inorganic composite nano-coating and preparation method thereof |
| WO2012123901A1 (en) * | 2011-03-14 | 2012-09-20 | Universidad De Santiago De Chile | Process for obtaining a film that comprises the incorporation of natural antimicrobial agents in a polymeric structure |
| CN108883621A (en) * | 2016-03-28 | 2018-11-23 | 富士胶片株式会社 | Supporter and laminated body with antibiotic layer |
| CN111269602A (en) * | 2020-03-12 | 2020-06-12 | 深圳市东方硅源科技有限公司 | Antibacterial base material and preparation method thereof |
-
2020
- 2020-06-15 CN CN202010543029.XA patent/CN111715497A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012123901A1 (en) * | 2011-03-14 | 2012-09-20 | Universidad De Santiago De Chile | Process for obtaining a film that comprises the incorporation of natural antimicrobial agents in a polymeric structure |
| CN102417748A (en) * | 2011-12-06 | 2012-04-18 | 海南大学 | Efficient environment-friendly antibacterial mildew-proof inorganic composite nano-coating and preparation method thereof |
| CN108883621A (en) * | 2016-03-28 | 2018-11-23 | 富士胶片株式会社 | Supporter and laminated body with antibiotic layer |
| CN111269602A (en) * | 2020-03-12 | 2020-06-12 | 深圳市东方硅源科技有限公司 | Antibacterial base material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679106A (en) * | 2021-01-06 | 2021-04-20 | 苏州艾朗智能科技有限公司 | Novel antibacterial glass |
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Application publication date: 20200929 |