CN112431065A - Paper with silver ion sterilization function and manufacturing method thereof - Google Patents
Paper with silver ion sterilization function and manufacturing method thereof Download PDFInfo
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- CN112431065A CN112431065A CN202011264965.3A CN202011264965A CN112431065A CN 112431065 A CN112431065 A CN 112431065A CN 202011264965 A CN202011264965 A CN 202011264965A CN 112431065 A CN112431065 A CN 112431065A
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- paper
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- silver ion
- sterilization function
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
Abstract
The invention discloses paper with a silver ion sterilization function and a manufacturing method thereof, wherein the paper comprises a fiber material, silver ions and a mixing agent, wherein the silver ions are attached to the fiber material and are uniformly distributed in the fiber material; the silver ions have a diameter of 0.126 to 0.165 nm. The silver ion solution is directly mixed with the paper pulp, the coating and the sizing material through the silver ion generating device, so that silver atoms, silver ions or molecules containing silver elements are uniformly distributed among fiber materials and on the surface of paper, and the diameter of the silver atoms, the silver ions or the molecules containing the silver elements is far smaller than the diameter of nano silver, so that the antibacterial effect of the paper product is better. Among them, the bactericidal efficiency of silver is related to the surface area thereof, and the release amount of silver ions can be increased by increasing the surface area, thereby greatly improving the bactericidal activity.
Description
Technical Field
The invention relates to the field of paper making, in particular to paper with a silver ion sterilization function and a manufacturing method thereof.
Background
Nano Silver (Nano Silver) is a metallic Silver simple substance with a Nano-scale particle size. The particle size of the nano silver is mostly about 25 nanometers, and the nano silver has strong inhibiting and killing effects on dozens of pathogenic microorganisms such as escherichia coli, gonococcus, chlamydia trachomatis and the like, and can not generate drug resistance. The cotton socks made of the nano silver and the combed cotton fiber have good antibacterial and deodorant effects. Nanometer (nm) is the smallest unit of measure at present, following micron, 1 nm being a millionth of a millimeter, i.e. a nanometer, i.e. a billionth of a meter. The nanometer silver is prepared through nanometer treatment with leading edge nanometer technology, and has greatly raised bactericidal capacity in nanometer state. The nano silver is a metal silver simple substance with the diameter less than 100 nanometers, and is generally 20-50 nanometers. The nano silver is silver particles composed of an atomic structure, but is not silver ions. The nano silver is not charged and is solid powder. The simple substance of metallic silver is processed into the simple substance of metallic silver with the particle diameter less than 100 nanometers by a physical and chemical method. The nano silver is black powder, and the product is prepared by mixing the nano silver into a medium or a matrix in different ways. The nano silver solution is a suspension of nano silver, the color of the suspension also changes along with different concentrations, and the color gradually deepens along with the increase of the concentration, and the color is from yellow to deep red. The liquid has particles and the texture is rough. The existing paper products with silver ions generally adopt nano silver (the diameter is generally 20 nanometers) or adopt the medium silver to be mixed with paper fibers, so as to realize the sterilization effect of the paper products. For example, patent CN 101349031B, which adopts nano silver-ion-carrying antibacterial agent to cooperate with the particle base layer to realize the function of antibacterial paper.
When the nano silver is used for a long time, the particles are large and likely to be accumulated in the body, and the nano silver is harmful to the human body. Meanwhile, the nano silver realizes the sterilization effect mainly through free silver ions, and the use of the nano silver is a great waste for some non-free nano silver ion-loaded antibacterial agents. In the bactericidal effect of silver ions, the larger the contact area between the outer surface of the bactericidal effect and the outside is, the better the bactericidal effect is, the diameter of nano silver is equivalent to the ion composition consisting of a plurality of silver-containing molecules, the actual bactericidal effect mainly depends on the outer surface containing the silver ions, the effect generated in the nano silver is smaller, and the metal silver is greatly wasted.
Disclosure of Invention
The invention mainly aims to provide paper with a silver ion sterilization function and a manufacturing method thereof, and aims to ensure that silver is distributed among fiber materials of paper products in an ionic state, an atomic state or a molecular state, the diameter of the paper products is smaller than that of nano silver, the antibacterial effect of silver ions can be improved, and the waste of metal silver in the process of manufacturing antibacterial paper can be reduced.
In order to achieve the purpose, the invention provides paper with a silver ion sterilization function, which is characterized by comprising a fiber material, silver ions and a mixing agent, wherein the silver ions are attached to the fiber material and are uniformly distributed along the length unit of the fiber material; the silver ions have a diameter of 0.126 to 0.165 nm.
A method for manufacturing paper with a silver ion sterilization function comprises the following steps:
i S1, performing primary processing on the paper pulp through a paper product processing device;
s2, ionizing silver ions by a silver ion generator to generate silver ion solution, conveying the silver ion solution to a paper product processing device, mixing the silver ion solution and paper pulp by the paper product processing device, and uniformly distributing the silver ions in the paper pulp and among fiber materials;
s3, forming the paper pulp into a corresponding shape by a drying device, and drying to obtain the paper with the silver ion sterilization function in claim 1.
Preferably, the paper product processing device in S1 is a stirring device, the stirring device includes a container and a stirring roller, the paper pulp is placed in the container, and the stirring roller is used for stirring the paper pulp in a corresponding direction; the silver ion generator is arranged on the container or arranged on one side of the container.
Preferably, when the stirring device mixes the pulp and the silver ion solution with each other, the silver ions sterilize the pulp and distribute the pulp among the fiber materials.
Preferably, the drying device is provided with a wire section for forming the respective paper product.
Preferably, the net part of S3 is further connected with a recycling device, which recycles the paper pulp through a corresponding container and the filtered water, and is connected with the container of the paper product device.
Preferably, when the silver ion generator is positioned at one side of the container, the silver ions ionized by the silver ion generator are directly dissociated in the container and are mixed with the paper pulp through the stirring roller;
preferably, when the silver ion generator is disposed at one side of the container, the silver ion solution is transferred into the container through a corresponding pipe and then mixed with the pulp by the stirring roller.
Preferably, the paper product processing device in S1 is a coating device, the coating device is connected with a silver ion generator, the coating device is arranged at a position adjacent to S3, and the silver ion solution is uniformly coated on the surface of the paper pulp to be dried through the coating device.
Preferably, the coating device coats the silver ion solution on the surface of the paper to be dried by a spraying mode or a brushing mode dipping mode.
According to the technical scheme, the silver ion solution is directly mixed with the slurry through silver ion generation, so that silver atoms, silver ions or molecules containing silver elements are uniformly distributed among fiber materials, and the diameter of the silver atoms, the silver ions or the molecules containing the silver elements is far smaller than the diameter of nano silver, so that the antibacterial effect of the paper product is better. Among them, the bactericidal efficiency of silver is related to the surface area thereof, and the release amount of silver ions can be increased by increasing the surface area, thereby greatly improving the bactericidal activity. The essence of the existing nano silver or micro silver is that a plurality of silver simple substances (formed by stacking dozens of silver atoms) are stacked, the sterilization effect of the existing nano silver or micro silver is not as good as that of the silver simple substances (namely, single silver atoms, silver ions or silver molecules), and the accumulation of heavy metal silver in a human body can be effectively avoided. The paper with the silver ion sterilization function can be food packaging paper (including coated paper, silicone oil paper and the like), straw paper, decorative paper, paper towels, filter paper, writing paper, self-adhesive paper and the like.
Drawings
FIG. 1 is a schematic view of a first embodiment of a paper product processing apparatus;
FIG. 2 is a schematic view of a second embodiment of a paper product processing apparatus;
FIG. 3 is a plurality of examples of specific processing steps of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as … …, which is up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are provided in the embodiments of the present invention, the directional indications are only used for explaining the relative position relationship, motion condition, etc. of the components at a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides paper with a silver ion sterilization function, which is characterized by comprising a fiber material, a coating, a sizing material, silver ions and a mixing agent, wherein the silver ions are attached to the fiber material and are uniformly distributed along the length unit of the fiber material; the silver ions have a diameter of 0.126 to 0.165 nm.
The silver ions are positive cations formed by silver atoms losing one or more electrons, such as Ag +, Ag2+, Ag3+, and the like. Usually in the form of an aqueous solution, silver ions have an oxidizing action and are commonly used in daily life for sterilization, disinfection and the like. Silver ions are cations carrying positive charges, formed by electron transfer through chemical reaction, and generally exist in the form of aqueous solution. The solution was colorless and transparent without any solid particles. Silver ions have different oxidability according to valence, silver ions with +2 valence and +3 valence have strong oxidability, the oxidation-reduction potential of Ag + is (+ 0.798V, 25 ℃), and Ag2+ has higher oxidation-reduction potential (1.987V, 25 ℃). The higher valency silver ions are 300 to 17000 times more effective than metallic silver or silver salts. High valence silver ions are also called active silver ions due to their extremely high reduction potential.
The silver ion solution is directly mixed with the paper pulp through silver ion generation, so that silver atoms, silver ions or molecules containing silver elements are uniformly distributed among fiber materials, and the diameter of the silver atoms, the silver ions or the molecules is far smaller than the diameter of nano silver, so that the antibacterial effect of the paper product is better. The existing nano silver or micron silver is essentially composed of a plurality of silver simple substances (dozens of silver atoms are stacked), the sterilization effect of the existing nano silver or micron silver is not as good as that of the silver simple substances (single silver atoms, silver ions or silver molecules), and the accumulation of heavy metal silver in a human body can be effectively avoided. The paper with silver ion sterilization function can be straw paper, food packaging paper (surface processing paper such as film coating, silicon oil paper and the like), paper towel, filter paper, writing paper and the like.
The silver ions are metal with stronger activity, and are continuously converted between the silver ions and silver atoms, so that the antibacterial effect of the antibacterial silver ion material is realized.
As shown in fig. 1 to 3, a method for manufacturing paper with silver ion sterilization function includes:
s1, performing primary processing on the paper pulp through a paper product processing device;
s2, ionizing silver ions by a silver ion generator to generate silver ion solution, conveying the silver ion solution to a paper product processing device, mixing the silver ion solution and paper pulp by the paper product processing device, and uniformly distributing the silver ions in the paper pulp and among fiber materials;
s3, forming the paper pulp into a corresponding shape by a drying device, and drying to obtain the paper with the silver ion sterilization function in claim 1.
Silver ion solution is generated through the silver ion generator, silver simple substance is free in an ionic state in the process, the silver ion solution is conveyed to the paper product processing device, and the silver ion solution and the paper pulp are mixed with each other, so that the silver simple substance (silver atoms, silver ions and silver-containing molecules are mutually converted) is distributed between paper fibers and surface coatings, the antibacterial effect of the paper product is improved, and meanwhile, the waste of metal silver is reduced.
In an embodiment of the present invention, the paper product processing apparatus in S1 is a stirring apparatus, the stirring apparatus includes a container and a stirring roller, the paper pulp is placed in the container, and the stirring roller is configured to stir the paper pulp in a corresponding direction; the silver ion generator is arranged on the container or on one side of the container, and the silver ion solution is directly mixed with the paper pulp, so that the simple substance silver is distributed more uniformly, and it should be noted that the concentration of the silver ion solution and the container can be adjusted according to specific products.
In the first embodiment of the invention, when the stirring device mixes the paper pulp and the silver ion solution, the silver ions sterilize the paper pulp and are distributed among the fiber materials, when the paper pulp is made into a paper product, the paper pulp needs to be sterilized to reach the relevant sanitary standard, the use of the bactericide can be effectively reduced through the arrangement of the silver ion solution, or the bactericide is not used, the sterilization effect can be achieved, the pollution to the water body is reduced, and meanwhile, the water body filtered after drying can be recycled, so that the pollution to the environment is effectively reduced.
In an embodiment of the present invention, the drying device is provided with a mesh portion, and the mesh portion is used for forming a corresponding paper product, that is, the existing mesh portion is used to form paper pulp into a corresponding paper product, wherein the drying device is not described herein in detail for the prior art.
In the embodiment of the present invention, the web portion of S3 is further connected to a recycling device, the recycling device recycles the water obtained by drying and filtering the paper pulp through a corresponding container, and is connected to a container of the paper product device, and recycles the dried water through a related recycling device, so as to avoid waste of the metallic silver, wherein the recycling device can directly recycle the silver, or convey the silver-containing pulp water into the container for recycling.
In the first embodiment of the invention, when the silver ion generator is positioned at one side of the container, the silver ions ionized by the silver ion generator are directly dissociated in the container and are mixed with the paper pulp through the stirring roller; the position of the silver ion generator can be set according to actual requirements, so that the relative concentration between the silver ions and the paper pulp can be controlled.
In the second embodiment of the invention, when the silver ion generator is arranged at one side of the container, the silver ion solution is conveyed into the container through a corresponding pipeline and then is mixed with the paper pulp through the stirring roller, and when the silver ion generator is arranged at one side of the container, the relative concentration between the silver ions and the paper pulp can be adjusted according to actual requirements, and the adjustment precision is more accurate.
In the embodiment of the present invention, the paper product processing device in S1 is a coating device, the coating device is connected to a silver ion generator, the coating device is disposed at a position adjacent to S3, the silver ion solution is uniformly coated on the surface of the paper pulp to be dried by the coating device, and the silver ion solution is coated on the surface of the paper pulp to be dried by the coating device, so that the waste of metallic silver can be further reduced, i.e., the paper product can achieve an antibacterial effect by using a small amount of silver.
In the embodiment of the present invention, the coating device coats the silver ion solution on the surface of the paper to be dried by a spraying manner, a coating manner, or a dipping manner, but the coating device may also adopt the existing technology to achieve the same technical effect, which is not described herein in detail.
The paper making technology is the prior art, and the paper product processing device in the invention can be shown in fig. 3, and meanwhile, the specific adding step of the silver ion solution is matched, which is not repeated for the specific craftsman process.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A paper with a silver ion sterilization function is characterized by comprising plant fibers, mineral fibers, chemical fiber materials, silver ions and a mixing agent, wherein the silver ions are attached to the fiber materials and are uniformly distributed along the surface of the fiber materials; the silver ions have a diameter of 0.126 to 0.165 nm.
2. A manufacturing method of paper with a silver ion sterilization function is characterized by comprising the following steps:
s1, performing primary processing on the paper pulp through a paper product processing device;
s2, ionizing silver ions by a silver ion generator to generate silver ion solution, conveying the silver ion solution to a paper product processing device, and combining the silver ion solution and the paper leaves by the paper product processing device to uniformly distribute the silver ions in the paper leaves;
s3, preparing the paper with the silver ion sterilization function in the claim 1.
3. The method for manufacturing paper with silver ion sterilization function according to claim 2, characterized in that:
s1, passing through a special device in the paper making and paper product processing process;
the silver ion generator is arranged on the container or arranged on one side of the container.
4. The method for manufacturing paper with silver ion sterilization function according to claim 3, characterized in that: when the stirring device mixes the paper pulp and the silver ion solution, the silver ions sterilize the paper pulp and are distributed among the fiber materials.
5. The method for manufacturing paper with silver ion sterilization function according to claim 2, characterized in that:
the drying device is provided with a mesh part which is used for forming corresponding paper products.
6. The method for manufacturing paper with silver ion sterilization function according to claim 5, characterized in that:
and S3, the net part is also connected with a recovery device, and the recovery device circularly recovers the paper pulp and the filtered water body through a corresponding container and is connected with the container of the paper product device.
7. The method for manufacturing paper with silver ion sterilization function according to claim 3, characterized in that:
when the silver ion generator is positioned at one side of the container, the silver ions ionized by the silver ion generator are directly dissociated in the container and are mixed with the slurry through the stirrer.
8. The method for manufacturing paper with silver ion sterilization function according to claim 3, characterized in that:
when the silver ion generator is arranged on one side of the container, the silver ion solution is conveyed into the container through a corresponding pipeline and then is mixed with the paper pulp through the stirring roller.
9. The method for manufacturing paper with silver ion sterilization function according to claim 2, characterized in that:
the paper product processing device of S1 is a coating and dipping device, the coating and dipping device is connected with a silver ion generator, the coating and dipping device is arranged at the position adjacent to S3, and silver ion solution is uniformly coated on the surface of the paper to be dried through the coating and dipping device.
10. The method for manufacturing paper with silver ion sterilization function according to claim 9, characterized in that: the coating device coats the silver ion solution on the surface of the paper to be dried in a spraying mode or a brushing mode and a dipping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011264965.3A CN112431065A (en) | 2020-11-13 | 2020-11-13 | Paper with silver ion sterilization function and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011264965.3A CN112431065A (en) | 2020-11-13 | 2020-11-13 | Paper with silver ion sterilization function and manufacturing method thereof |
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| CN112431065A true CN112431065A (en) | 2021-03-02 |
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| CN202011264965.3A Pending CN112431065A (en) | 2020-11-13 | 2020-11-13 | Paper with silver ion sterilization function and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026393A (en) * | 2021-03-05 | 2021-06-25 | 东莞菌怕怕科技实业有限公司 | Cloth product with automatic sterilization function and manufacturing method thereof |
| CN113373719A (en) * | 2021-07-06 | 2021-09-10 | 东莞市鼎丰印刷有限公司 | Decorative paper with copper ion sterilization function and manufacturing method thereof |
| CN113373718A (en) * | 2021-07-06 | 2021-09-10 | 东莞市鼎丰印刷有限公司 | Paper with function of automatically degerming copper-silver ion paper and manufacturing method thereof |
| CN113417168A (en) * | 2021-07-06 | 2021-09-21 | 东莞市鼎丰印刷有限公司 | Paper with function of silver ion automatic degerming paper and manufacturing method thereof |
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| JP2002173405A (en) * | 2000-12-04 | 2002-06-21 | Hidehiro Tagusari | Sterilizing method with colloidal silver and sterilization material using the same |
| CN101349031A (en) * | 2008-08-28 | 2009-01-21 | 中材科技股份有限公司 | Antibiotic air filter paper and preparation method thereof |
| CN105923720A (en) * | 2016-06-07 | 2016-09-07 | 三通生物工程（潍坊）有限公司 | Method for killing bacteria, viruses and microorganisms in aquaculture water by using copper and silver ions |
| CN107338673A (en) * | 2017-07-21 | 2017-11-10 | 华南理工大学 | Controllable antibacterial china picture-character paper of a kind of ink wetting capability and preparation method thereof |
| JP2019035110A (en) * | 2017-08-15 | 2019-03-07 | 学校法人近畿大学 | Method for controlling a particle size of a silver particle |
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2020
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| JP2002173405A (en) * | 2000-12-04 | 2002-06-21 | Hidehiro Tagusari | Sterilizing method with colloidal silver and sterilization material using the same |
| CN101349031A (en) * | 2008-08-28 | 2009-01-21 | 中材科技股份有限公司 | Antibiotic air filter paper and preparation method thereof |
| CN105923720A (en) * | 2016-06-07 | 2016-09-07 | 三通生物工程（潍坊）有限公司 | Method for killing bacteria, viruses and microorganisms in aquaculture water by using copper and silver ions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026393A (en) * | 2021-03-05 | 2021-06-25 | 东莞菌怕怕科技实业有限公司 | Cloth product with automatic sterilization function and manufacturing method thereof |
| CN113373719A (en) * | 2021-07-06 | 2021-09-10 | 东莞市鼎丰印刷有限公司 | Decorative paper with copper ion sterilization function and manufacturing method thereof |
| CN113373718A (en) * | 2021-07-06 | 2021-09-10 | 东莞市鼎丰印刷有限公司 | Paper with function of automatically degerming copper-silver ion paper and manufacturing method thereof |
| CN113417168A (en) * | 2021-07-06 | 2021-09-21 | 东莞市鼎丰印刷有限公司 | Paper with function of silver ion automatic degerming paper and manufacturing method thereof |
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Application publication date: 20210302 |