CN112281477A - Preparation method of nano-silver pure cotton fabric with antibacterial function - Google Patents
Preparation method of nano-silver pure cotton fabric with antibacterial function Download PDFInfo
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- CN112281477A CN112281477A CN202011097164.2A CN202011097164A CN112281477A CN 112281477 A CN112281477 A CN 112281477A CN 202011097164 A CN202011097164 A CN 202011097164A CN 112281477 A CN112281477 A CN 112281477A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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Abstract
The invention discloses a preparation method of a nano-silver pure cotton fabric with an antibacterial function, which is refined by a scientific formula by taking colorless transparent complex nano-silver with the particle size of 2-5nm as a main raw material. The chitosan derivative based on biological activity is matched with silver ions, and the surface is finished by an organic silicon treating agent. The nano silver is firmly bonded to the surface of the fabric fiber through complexing action, so that the durability of the nano silver in use is greatly improved; the fiber surface of the fabric is covered with the nano-silver antibacterial material, and the fabric can be matched with the comfort characteristic of pure cotton to produce various household textile products with antibacterial function, so that the probability of contacting bacteria is reduced for consumers, and the life quality is improved.
Description
Technical Field
The invention relates to the technical field of home textile fabrics, in particular to a preparation method of a nano-silver pure cotton fabric with an antibacterial function.
Background
At present, home textile fabrics on the market are mainly made of pure cotton, and pure cotton fabrics are woven by pure cotton yarns, so that the home textile fabrics are various in variety and different in color. Pure cotton fabric has good air permeability and strong hygroscopicity, but microorganisms have destructive effect on the cotton fabric, which is reflected in no mould resistance. Further, light resistance and heat resistance are general. In sunlight and atmosphere, cotton cloth is slowly oxidized, and the strength is reduced. The cotton cloth can be damaged by long-term high-temperature action. Therefore, the antibacterial treatment of the pure cotton fabric is particularly important.
The nano silver is prepared by utilizing the leading edge nano technology to carry out nano treatment on the silver, the nano technology is developed, the sterilization capability of the silver in a nano state is greatly improved, few nano silver can generate strong sterilization effect, 650 kinds of bacteria can be killed within a few minutes, broad-spectrum sterilization is realized, no drug resistance exists, the healing of wounds, the growth of cells and the repair of damaged cells can be promoted, no toxic reaction exists, no stimulation reaction is found on the skin, and the nano silver antibacterial agent opens up a wide prospect for widely applying the nano silver to antibiosis and is a latest generation of natural antibacterial agent.
The nano-silver sterilization has the following characteristics: 1. the broad-spectrum antibacterial agent has the unique action mechanism that nano silver particles directly enter thalli to be combined with oxygen metabolizing enzyme (-SH) to cause the thalli to be suffocated, and can kill most of microbes such as bacteria, fungi, mildew, spores and the like which are contacted with the thalli. The research of eight domestic authoritative organizations discovers that: it has comprehensive antibacterial activity on drug-resistant pathogenic bacteria such as drug-resistant Escherichia coli, drug-resistant Staphylococcus aureus, drug-resistant Pseudomonas aeruginosa, Streptococcus pyogenes, drug-resistant enterococcus, anaerobe, etc.; has antibacterial effect on bacteria such as Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans and other G + and G-type pathogenic bacteria on the surface of burn, scald and wound; it also has strong bactericidal effect on chlamydia trachomatis and gonococcus causing sexually transmitted diseases. An antibiotic can kill about 6 pathogens, while nano-silver can kill hundreds of pathogenic microorganisms. Killing bacteria, fungi, trichomonad, mycoplasma/chlamydia and gonococcus, strong bactericidal action and the same action on antibiotic-resistant bacteria! 2. The Ag can kill 650 kinds of bacteria within a few minutes. After being combined with the cell wall/membrane of pathogenic bacteria, the nano silver particles can directly enter the thallus and rapidly combine with the sulfydryl (-SH) of oxygen metabolism enzyme to inactivate the enzyme and block respiratory metabolism to suffocate the enzyme. The unique sterilization mechanism enables the nano silver particles to rapidly kill pathogenic bacteria at low concentration. 3. The nano silver particles have strong permeability, can quickly permeate into subcutaneous tissues for 2mm sterilization, and have good sterilization effect on deeper tissue infection caused by common bacteria, stubborn bacteria, drug-resistant bacteria and fungi. 4. The nano silver can promote wound healing, promote the repair and regeneration of damaged cells, remove the necrotic tissue, promote granulation, resist bacteria, diminish inflammation, improve the microcirculation of tissues around the wound, effectively activate and promote the growth of tissue cells, accelerate the healing of the wound and reduce the generation of scars. 5. The antibacterial effect is durable, and the nano silver particles are coated with a layer of protective film which can be gradually released. 6. The nano silver has no drug resistance, belongs to a non-antibiotic bactericide: the nano silver can kill various pathogenic microorganisms, is stronger than antibiotics, and can quickly and directly kill bacteria by the unique antibacterial mechanism of nano silver particles with the size of 10nm, so that the bacteria lose the reproductive capacity, therefore, the next generation of drug resistance can not be produced, and the repeated attack and long-term treatment caused by the drug resistance can be effectively avoided.
At present, nano silver is applied to pure cotton fabric, but the preparation method is simple, the efficiency is low, the preparation time is long, the energy consumption is high, and the durability is not ideal enough, so that the problem of solving the nano silver is very important.
Disclosure of Invention
Aiming at the problems, the invention provides the preparation method of the nano-silver pure cotton fabric with the antibacterial function, which can complete all the works of nano-silver spraying, drying and curing and fabric cutting at the same time and has the characteristics of strong function, short time consumption and low energy consumption.
In order to realize the technical scheme, the invention provides a preparation method of a nano-silver pure cotton fabric with an antibacterial function, which comprises the following preparation steps:
the method comprises the following steps: injecting purified water with the temperature of 30 ℃ into a solution barrel, then adding colorless transparent complex state nano silver with the silver purity of 99.99 percent, and uniformly stirring the solution in the solution barrel by an electric stirrer to obtain a colorless transparent nano silver solution;
step two: the method comprises the following steps that a pure cotton fabric is erected on a spraying, drying and cutting integrated device, the starting end of the fabric is connected and fixed on a spreading machine, when the spreading machine advances at a constant speed, the spreading machine also works synchronously to ensure that the fabric is tight, when the pure cotton fabric passes through a spraying area, a micro water pump is used for extracting a nano silver solution from a solution barrel, the nano silver solution is sprayed on the upper surface and the lower surface of the fabric simultaneously after being atomized by a spray head, and nano silver is attached to the fiber surface of the fabric uniformly to form a nano silver coating;
step three: and (3) uniformly feeding the fabric into a low-temperature drying and drying chamber, curing the nano silver coating and drying the fabric in a semi-closed drying area, controlling the drying temperature to be 40-80 ℃, and cooling and drying the fabric by a fan after drying.
Step four: and (3) the dried fabric enters a cutting preparation area, the fabric passes through an induction compression bar at the tail end of a workbench, the advancing track of a cloth spreading machine is changed into reciprocating motion of a one-way stroke, the fabric is stacked layer by layer, the cloth spreading work is stopped until the fabric completely passes through a drying chamber, and then the fabric is cut by the cloth cutting machine according to the required production size, so that the nano-silver pure cotton fabric with the antibacterial function is obtained.
The further improvement lies in that: the concentration of the colorless transparent nano silver solution prepared in the first step is 0.5%, and the pH value is 6.5-8.5.
The improvement is that: in the second step, the cloth material advances through the spraying area at a constant speed of 10cm/s, and the nano silver solution is sprayed on the upper surface and the lower surface of the cloth material after being atomized by a spray head at a pressure of 0.3-0.6 MPa.
The further improvement lies in that: and in the second step, after the nano silver coating is formed on the surface of the fabric fiber, finishing the surface by using an organic silicon treating agent.
The further improvement lies in that: in the second step, the spraying, drying and cutting integrated device comprises a cloth loosening machine, an atomizing spray head, a low-temperature drying machine, a cloth pulling machine and a cloth cutting machine.
The invention has the beneficial effects that:
1. the chitosan derivative based on biological activity is matched with silver ions, the surface is finished by the organic silicon treating agent, and the nano silver is firmly bonded to the fiber surface of the fabric through complexation, so that the durability of the nano silver in use is greatly improved.
2. Can complete all the works of nano-silver spraying, drying and curing and fabric cutting at the same time, and has the characteristics of strong function, short time consumption and low energy consumption.
Drawings
Fig. 1 is a structural diagram of a nano-silver pure cotton fabric.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to the illustration in fig. 1, the embodiment provides a preparation method of a nano-silver pure cotton fabric with an antibacterial function, which comprises the following preparation steps:
the method comprises the following steps: injecting purified water with the temperature of 30 ℃ into a solution barrel, then adding colorless transparent complex state nano silver with the silver purity of 99.99 percent, and uniformly stirring the solution in the solution barrel by an electric stirrer to obtain a colorless transparent nano silver solution;
step two: the method comprises the following steps that a pure cotton fabric is erected on a spraying, drying and cutting integrated device, the starting end of the fabric is connected and fixed on a spreading machine, when the spreading machine advances at a constant speed, the spreading machine also works synchronously to ensure that the fabric is tight, when the pure cotton fabric passes through a spraying area, a micro water pump is used for extracting a nano silver solution from a solution barrel, the nano silver solution is sprayed on the upper surface and the lower surface of the fabric simultaneously after being atomized by a spray head, and nano silver is attached to the fiber surface of the fabric uniformly to form a nano silver coating;
step three: and (3) uniformly feeding the fabric into a low-temperature drying and drying chamber, curing the nano silver coating and drying the fabric in a semi-closed drying area, controlling the drying temperature to be 40-80 ℃, and cooling and drying the fabric by a fan after drying.
Step four: and (3) the dried fabric enters a cutting preparation area, the fabric passes through an induction compression bar at the tail end of a workbench, the advancing track of a cloth spreading machine is changed into reciprocating motion of a one-way stroke, the fabric is stacked layer by layer, the cloth spreading work is stopped until the fabric completely passes through a drying chamber, and then the fabric is cut by the cloth cutting machine according to the required production size, so that the nano-silver pure cotton fabric with the antibacterial function is obtained.
And in the second step, after the nano silver coating is formed on the surface of the fabric fiber, finishing the surface by using an organic silicon treating agent. In the second step, the spraying, drying and cutting integrated device comprises a cloth loosening machine, an atomizing spray head, a low-temperature drying machine, a cloth pulling machine and a cloth cutting machine.
Example two
100kg of purified water at the temperature of 30 ℃ is injected into a solution barrel with the diameter of 46.2cm and the height of 72cm, 500g of colorless transparent complex state nano silver with the particle size of 2-5nm and the silver purity of 99.99 percent is added into the solution barrel, and the solution is uniformly stirred by an electric stirrer at the rotating speed of about 600rpm to obtain colorless transparent nano silver solution with the concentration of 0.5 percent and the pH value of 6.5-8.5 for standby.
The pure cotton fabric with the width of 250cm and the length of 270 m is erected on a spraying, drying and cutting integrated device which consists of a cloth loosening machine, an atomizing spray head, a low-temperature drying machine, a cloth spreading machine, a cloth cutting machine and the like. The starting end of the fabric is connected and fixed on a spreading machine through the upper part of a finishing rod which is 40cm away from a workbench, the spreading machine advances at a constant speed, the cloth loosening machine works synchronously to ensure that the fabric is tight, the fabric advances at a constant speed of 10cm/s to pass through a spraying area, a micro water pump is used for extracting nano silver solution from a solution barrel, the upper surface and the lower surface of the fabric are sprayed simultaneously after being atomized by a spray head at the pressure of 0.3-0.6 Mpa, so that the nano silver is uniformly attached to the fiber surface of the fabric to form a nano silver coating.
And then, the fabric enters a low-temperature drying and drying chamber at a uniform speed, the steps of curing the nano silver coating and drying the fabric are carried out in a semi-closed drying area, the drying temperature is controlled to be about 60 ℃, and the temperature is reduced and the fabric is dried by a fan after the drying is finished.
The dried fabric enters a cutting preparation area, the fabric passes through an induction compression bar at the tail end of a workbench, the advancing track of a cloth spreading machine is changed into reciprocating motion with the maximum one-way stroke of 6m, the fabric is stacked layer by layer, the cloth spreading work is stopped until the fabric completely passes through a drying chamber, the fabric can be cut by the cloth cutting machine according to the required production size, and the nano-silver pure cotton fabric with the antibacterial function can be obtained.
Taking a fabric with the width of 250cm and the length of 270 meters as an example, the method completes all the work including nano-silver spraying, drying and curing and fabric cutting, takes about 60 minutes, and has the characteristics of high efficiency and strong practicability.
Is prepared from colorless transparent complex nano silver with particle size of 2-5nm as main raw material through scientific formula. The chitosan derivative based on biological activity is matched with silver ions, and the surface is finished by an organic silicon treating agent. The nano silver is firmly bonded to the surface of the fabric fiber through complexing action, so that the durability of the nano silver in use is greatly improved.
The fiber surface of the fabric is covered with the nano-silver antibacterial material, and the fabric can be matched with the comfort characteristic of pure cotton to produce various household textile products with antibacterial function, so that the probability of contacting bacteria is reduced for consumers, and the life quality is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A preparation method of a nano-silver pure cotton fabric with an antibacterial function is characterized by comprising the following preparation steps:
the method comprises the following steps: injecting purified water with the temperature of 30 ℃ into a solution barrel, then adding colorless transparent complex state nano silver with the silver purity of 99.99 percent, and uniformly stirring the solution in the solution barrel by an electric stirrer to obtain a colorless transparent nano silver solution;
step two: the method comprises the following steps that a pure cotton fabric is erected on a spraying, drying and cutting integrated device, the starting end of the fabric is connected and fixed on a spreading machine, when the spreading machine advances at a constant speed, the spreading machine also works synchronously to ensure that the fabric is tight, when the pure cotton fabric passes through a spraying area, a micro water pump is used for extracting a nano silver solution from a solution barrel, the nano silver solution is sprayed on the upper surface and the lower surface of the fabric simultaneously after being atomized by a spray head, and nano silver is attached to the fiber surface of the fabric uniformly to form a nano silver coating;
step three: and (3) uniformly feeding the fabric into a low-temperature drying and drying chamber, curing the nano silver coating and drying the fabric in a semi-closed drying area, controlling the drying temperature to be 40-80 ℃, and cooling and drying the fabric by a fan after drying.
Step four: and (3) the dried fabric enters a cutting preparation area, the fabric passes through an induction compression bar at the tail end of a workbench, the advancing track of a cloth spreading machine is changed into reciprocating motion of a one-way stroke, the fabric is stacked layer by layer, the cloth spreading work is stopped until the fabric completely passes through a drying chamber, and then the fabric is cut by the cloth cutting machine according to the required production size, so that the nano-silver pure cotton fabric with the antibacterial function is obtained.
2. The preparation method of the nano-silver pure cotton fabric with the antibacterial function according to claim 1, characterized by comprising the following steps: the concentration of the colorless transparent nano silver solution prepared in the first step is 0.5%, and the pH value is 6.5-8.5.
3. The preparation method of the nano-silver pure cotton fabric with the antibacterial function according to claim 1, characterized by comprising the following steps: in the second step, the cloth material advances through the spraying area at a constant speed of 10cm/s, and the nano silver solution is sprayed on the upper surface and the lower surface of the cloth material after being atomized by a spray head at a pressure of 0.3-0.6 MPa.
4. The preparation method of the nano-silver pure cotton fabric with the antibacterial function according to claim 1, characterized by comprising the following steps: and in the second step, after the nano silver coating is formed on the surface of the fabric fiber, finishing the surface by using an organic silicon treating agent.
5. The preparation method of the nano-silver pure cotton fabric with the antibacterial function according to claim 1, characterized by comprising the following steps: in the second step, the spraying, drying and cutting integrated device comprises a cloth loosening machine, an atomizing spray head, a low-temperature drying machine, a cloth pulling machine and a cloth cutting machine.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895638A (en) * | 2021-03-23 | 2021-06-04 | 苏州盟红新材料科技有限公司 | Ammonia-elasticity-free antibacterial polylactic acid fabric and preparation method thereof |
| CN113174749A (en) * | 2021-04-20 | 2021-07-27 | 红豆集团无锡红豆童装有限公司 | Ultra-light organic cotton textile fabric and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267232A (en) * | 2018-12-04 | 2019-01-25 | 江苏和茧丝绸科技有限公司 | A kind of layered coated have the anti bacteria natural silk of nano silver by and preparation method thereof |
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- 2020-10-14 CN CN202011097164.2A patent/CN112281477A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267232A (en) * | 2018-12-04 | 2019-01-25 | 江苏和茧丝绸科技有限公司 | A kind of layered coated have the anti bacteria natural silk of nano silver by and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895638A (en) * | 2021-03-23 | 2021-06-04 | 苏州盟红新材料科技有限公司 | Ammonia-elasticity-free antibacterial polylactic acid fabric and preparation method thereof |
| CN113174749A (en) * | 2021-04-20 | 2021-07-27 | 红豆集团无锡红豆童装有限公司 | Ultra-light organic cotton textile fabric and preparation method thereof |
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Application publication date: 20210129 |