CN111335026A - Super-hydrophobic antibacterial conductive fabric and preparation method thereof - Google Patents
Super-hydrophobic antibacterial conductive fabric and preparation method thereof Download PDFInfo
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- CN111335026A CN111335026A CN202010371428.2A CN202010371428A CN111335026A CN 111335026 A CN111335026 A CN 111335026A CN 202010371428 A CN202010371428 A CN 202010371428A CN 111335026 A CN111335026 A CN 111335026A
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- 239000004744 fabric Substances 0.000 title claims abstract description 163
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 44
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 14
- 229920003063 hydroxymethyl cellulose Polymers 0.000 claims abstract description 11
- 229940031574 hydroxymethyl cellulose Drugs 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 38
- 239000011248 coating agent Substances 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000007650 screen-printing Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 9
- QKIUAMUSENSFQQ-UHFFFAOYSA-N dimethylazanide Chemical compound C[N-]C QKIUAMUSENSFQQ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- 229920000734 polysilsesquioxane polymer Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
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- 241000191967 Staphylococcus aureus Species 0.000 description 5
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- 239000002344 surface layer Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229920001940 conductive polymer Polymers 0.000 description 3
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- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- KZJPVUDYAMEDRM-UHFFFAOYSA-M silver;2,2,2-trifluoroacetate Chemical compound [Ag+].[O-]C(=O)C(F)(F)F KZJPVUDYAMEDRM-UHFFFAOYSA-M 0.000 description 2
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 238000007639 printing Methods 0.000 description 1
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- 239000002994 raw material Substances 0.000 description 1
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- -1 silver ions Chemical class 0.000 description 1
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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
- 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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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/09—Cellulose ethers
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
- D06M15/657—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing fluorine
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Abstract
The invention discloses a super-hydrophobic antibacterial conductive fabric and a preparation method thereof, and is characterized in that a nano-silver antibacterial agent is attached to the surface of the fabric to endow the fabric with antibacterial property, and then nano-wire ink is coated on the surface of the antibacterial fabric, so that the fabric is endowed with good conductivity, the firm binding capacity between hydroxymethyl cellulose and the fabric is realized, the attachment capacity between the nano-silver wires and the fabric is greatly improved, and meanwhile, the nano-silver ink is used as a barrier layer to protect the nano-silver particles, so that the nano-silver particles are prevented from being oxidized and falling off under the action of water washing and mechanical force, and the stability of the antibacterial fabric is greatly improved. The super-hydrophobic functional layer is manufactured on the surface of the antibacterial conductive fabric, so that the fabric is endowed with a self-cleaning effect, the application field of the fabric is improved, the super-hydrophobic functional layer is used as a barrier layer to improve the use stability of the fabric, and the nano silver wires are prevented from falling off under the action of mechanical force. Compared with the prior art, the super-hydrophobic antibacterial conductive fabric has good conductivity and stability of electrical property, excellent antibacterial effect and super-hydrophobic self-cleaning effect, simple preparation process and capability of realizing industrial production.
Description
Technical Field
The invention belongs to the field of functional materials, and particularly relates to a super-hydrophobic antibacterial conductive fabric and a preparation method thereof.
Background
The intelligent textile becomes a textile material capable of independent thinking, and is formed by combining the traditional textile technology with functional materials. The conductive fabric is one of important types in intelligent textiles, and the conductive material and the fabric are combined, so that the fabric has the characteristics of softness and light weight of the traditional fabric, has certain conductivity, can be applied to the aspects of intelligent temperature regulation, electrochromism, medical application, intelligent clothing, sensors and the like, and particularly has a great application prospect in the field of wearable equipment. As a new textile, with the development of conductive materials, the types of conductive fabrics are increasing and the performance is also improving, and according to the difference of conductive components, conductive fabrics can be classified into polymer-based conductive fabrics, metal-based conductive fabrics and carbon-based conductive fabrics.
The polymer-based conductive fabric is usually obtained by coating a conductive polymer on the surface of fabric fibers in a manner of impregnation, in-situ polymerization, spraying and the like. Although the preparation process of the conductive fabric is simple and the air permeability and water permeability of the fabric are good, the conductivity of the fabric is weak. The carbon-based conductive fabric is formed by compounding carbon black, carbon nano tubes, graphene and other materials inside fibers or yarns by a co-spinning method, or wrapping the surfaces of the fibers of the fabric in a manner of dip coating, spraying, layer-by-layer assembly and the like. However, the fabric prepared by the method has good chemical stability, but the conductivity of the fabric is poor. The metal-based conductive fabric is usually formed by combining conductive metal and fabric, and the metal has the advantages of high strength, good conductivity and the like, so that the metal-based conductive fabric is a better choice when preparing the conductive fabric with high conductivity. The combination of metal and fabric can additionally endow the fabric with some special properties, such as antibiosis, ultraviolet protection, electrification heating and the like, so that the metal composite fabric is an important textile in the fields of functional clothing, flexible equipment and the like.
With the development of wearable electronic devices, research on conductive fabrics has achieved a greater performance, and there are many patent reports. In chinese patent CN 110904675 a (a conductive fabric and a preparation method thereof), styrene butadiene rubber is dissolved in an organic solvent to obtain an SBS solution, the clean fabric is immersed in the SBS solution for sufficient infiltration and then taken out and dried, and then the treated fabric is immersed in a silver trifluoroacetate solution and taken out and dried; and (3) carrying out reduction treatment on the fabric after adsorbing the silver trifluoroacetate, reducing the adsorbed silver ions into simple substance silver, and finally, cleaning and drying to obtain the conductive fabric. Chinese patent CN 110747626A (a preparation method of a hydrophobic conductive fabric and its obtained material and application) reports that a fabric substrate is soaked in an alkaline solution, then washed and dried with water, then the dried fabric is soaked in a buffer solution, then the soaked fabric is placed in an aqueous solution of a conductive polymer monomer, stirred, the solution is adjusted to acidity with a pH regulator, then an oxidant is added to make the conductive polymer monomer perform in-situ polymerization reaction on the fabric surface, and finally the hydrophobic conductive fabric is obtained by water washing, ethanol soaking and drying. Chinese patent CN 107938369B (a conductive fabric and a method for preparing the same) reports to prepare a conductive fabric, which includes an adhesion improvement layer, a liquid metal layer, an oxygen barrier protective layer and a packaging protective layer sequentially attached to the surface layer of a fabric substrate from inside to outside; the preparation method comprises the steps of coating the adhesion improving layer on the surface layer of the fabric substrate, coating the liquid metal layer on the surface layer of the adhesion improving layer, coating the oxygen-barrier protective layer on the surface layer of the liquid metal layer, coating the packaging protective layer on the surface layer of the oxygen-barrier protective layer, and adopting a spraying, brushing, spraying or printing mode.
At present, although research and application range of conductive fabrics are greatly developed, the reported conductive fabrics have respective advantages, but the problems of weak conductivity, poor adhesion between a conductive material and the fabrics, single function of the conductive fabrics and the like generally exist, and commercial application of the conductive fabrics is limited to a certain extent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a super-hydrophobic antibacterial conductive fabric and a preparation method thereof. According to the method, the nano silver particles are attached to the surface of the fabric to endow the fabric with a good antibacterial agent, the nano silver wires are attached to the surface of the fabric to endow the fabric with good conductivity, and finally the super-hydrophobic functional layer is coated, so that the fabric is endowed with a self-cleaning effect, and the adhesive force between the nano silver wires and the fabric is improved. The conductive fabric prepared by the method has excellent performances of conductivity, hydrophobicity, antibiosis, self-cleaning and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the preparation method of the super-hydrophobic antibacterial conductive fabric comprises the following steps: (1) the nano-silver antibacterial agent is attached to the surface of the fabric by adopting a spraying or dipping method without drying.
(2) Completely dissolving hydroxymethyl cellulose in an aqueous solution, adding a certain amount of N, N-dimethyl amide solution into the aqueous solution, stirring for 5 minutes at 800-1200 rpm/minute, then adding a nano silver wire, and stirring for 30 minutes at 800-1200 rpm/minute to prepare the nano silver wire ink.
(3) Placing the designed screen printing plate on the fabric, fixing the screen printing plate, then placing the nano silver wire conductive ink on the screen printing plate, and carrying out blade coating on the nano silver wire ink on the screen printing plate by using a scraper, wherein the blade coating times are 1-20 times, after the blade coating is finished, the screen printing plate is slowly lifted from one side, and a clear circuit can be formed on the surface of the fabric. And (3) drying the fabric printed with the circuit in a drying oven at 70-80 ℃ for 15-30 minutes to obtain the conductive fabric.
(4) And (3) coating the ethanol solution containing the fluorine polysilsesquioxane on the surface of the conductive fabric by adopting a spraying method, and drying the conductive fabric in a drying oven at 70-80 ℃ for 15-30 minutes to obtain the super-hydrophobic antibacterial conductive fabric.
The nano-silver antibacterial agent in the step (1) is nano-silver sol with the mass percentage concentration of 0.02-0.1%, and the size of nano-silver particles is 5-30 nm.
The invention adopts the spraying or dipping process in the step (1) to realize the attachment of the nano-silver antibacterial agent on the surface of the fabric.
The nano silver wire ink prepared in the step (2) consists of the following materials in percentage by mass: 8-20% of nano silver wire, 2-5% of hydroxymethyl cellulose, 16-40% of N, N-dimethyl amide and 35-71% of water.
The method adopts 3-5 mg ∙ mL of the ethanol solution of the fluorine-containing polysilsesquioxane in the step (4)-1。
The invention has the beneficial effects that: according to the invention, the nano-silver antibacterial agent is attached to the surface of the fabric firstly, so that the fabric is endowed with antibacterial property, and then the nano-wire ink is coated on the surface of the antibacterial fabric, so that the fabric is endowed with good conductivity, the firm bonding capability between the hydroxymethyl cellulose and the fabric is realized, the attachment capability between the nano-silver wire and the fabric is greatly improved, and meanwhile, the nano-silver ink is used as a barrier layer to protect the nano-silver particles, so that the nano-silver particles are prevented from being oxidized and falling off under the action of washing and mechanical force, and the stability of the antibacterial. The super-hydrophobic functional layer is manufactured on the surface of the antibacterial conductive fabric, so that the fabric is endowed with a self-cleaning effect, the application field of the fabric is improved, the super-hydrophobic functional layer is used as a barrier layer to improve the use stability of the fabric, and the nano silver wires are prevented from falling off under the action of mechanical force. In this multifunctional fabric, the functions are not simply superimposed but are coordinated with each other.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, with the following description
The embodiments are together used to explain the invention and do not constitute a limitation thereof.
FIG. 1 is a low magnification SEM image of a superhydrophobic conductive fabric of example 1 of the invention;
FIG. 2 is a high power SEM image of a superhydrophobic fabric of example 1 of the invention;
FIG. 3 is a graph of the static contact angle of the superhydrophobic conductive fabric of example 1 of the invention;
FIG. 4 is a low power SEM image of a superhydrophobic conductive fabric of example 2 of the invention;
FIG. 5 is a low power SEM image of a superhydrophobic conductive fabric of example 3 of the invention;
FIG. 6 is a low power SEM image of a superhydrophobic conductive fabric of example 4 of the invention;
FIG. 7 is a low magnification SEM image of a superhydrophobic conductive fabric of example 5 of the invention;
fig. 8 is a static contact angle graph of the superhydrophobic conductive fabric of example 5 of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following describes technical solutions in the embodiments of the present invention clearly and completely in combination with the embodiments of the present invention. The described embodiments are only some, but not all embodiments of the invention. 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.
Example 1:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) the nano-silver antibacterial agent with the mass percent of 0.1% is sprayed on the surface of the fabric without drying.
(2) 2.5 g of hydroxymethyl cellulose is dissolved in 47.5 ml of water solution and stirred until the solution is completely dissolved, then 37.5 ml of N, N-dimethyl amide is added into the solution and stirred for 5 minutes at 800 rpm, then 12.5 g of nano silver wires are added and stirred for 30 minutes at 800 rpm to prepare the nano silver wire ink.
(3) Place the screen printing half tone of design on the fabric, on putting the half tone with the electrically conductive ink of nanometer silver-colored line after the fixed half tone, with the scraper blade on the half tone coating nanometer silver-colored line ink, the blade coating number of times is 5, slowly lifts up the half tone from one side after the blade coating is accomplished, clear circuit can appear on the fabric surface. And (3) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at the temperature of 80 ℃ to obtain the conductive fabric.
(4) The concentration is 5 mg ∙ mL by adopting a spraying process-1The ethanol solution containing the fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven and dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
Testing superhydrophobic antibacterial conductive fabricThe square resistance of the material is 72.7 omega ∙ cm-1The contact angle of 5 microliter water drop on it is 152.99, and the antibacterial property to staphylococcus aureus is more than 99%.
Example 2:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) the nano-silver antibacterial agent with the mass percentage content of 0.02 percent is sprayed on the surface of the fabric without drying.
(2) 2.5 g of hydroxymethyl cellulose is dissolved in 47.5 ml of water solution and stirred until the solution is completely dissolved, then 39.5 ml of N, N-dimethyl amide is added into the solution, the solution is stirred for 5 minutes at 800 rpm, then 8 g of nano silver wire is added, and the solution is stirred for 30 minutes at 800 rpm, so that nano silver wire ink is prepared.
(3) Place the screen printing half tone of design on the fabric, on putting the half tone with the electrically conductive ink of nanometer silver-colored line after the fixed half tone, with the scraper blade on the half tone coating nanometer silver-colored line ink, the blade coating number of times is 10, slowly lifts up the half tone from one side after the blade coating is accomplished, clear circuit can appear on the fabric surface. And (3) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at the temperature of 80 ℃ to obtain the conductive fabric.
(4) The concentration is 5 mg ∙ mL by adopting a spraying process-1The ethanol solution containing the fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven and dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
The performance of the super-hydrophobic antibacterial conductive fabric is tested, wherein the square resistance is 21.7 omega ∙ cm-1The contact angle of 5 microliter water drop on it is 152.49, and the antibacterial property to staphylococcus aureus is more than 99%.
Example 3:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) the nano-silver antibacterial agent with the mass percent of 0.1% is sprayed on the surface of the fabric without drying.
(2) 3.35 g of hydroxymethyl cellulose is dissolved in 46.65 ml of water solution, stirred until the solution is completely dissolved, then 30 ml of N, N-dimethyl amide is added into the solution, the solution is stirred for 5 minutes at 800 rpm, then 20 g of nano silver wires are added, and the solution is stirred for 30 minutes at 800 rpm, so that nano silver wire ink is prepared.
(3) Place the screen printing half tone of design on the fabric, on putting the half tone with the electrically conductive ink of nanometer silver-colored line after the fixed half tone, with the scraper blade on the half tone coating nanometer silver-colored line ink, the blade coating number of times is 5, slowly lifts up the half tone from one side after the blade coating is accomplished, clear circuit can appear on the fabric surface. And (3) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at the temperature of 80 ℃ to obtain the conductive fabric.
(4) The concentration is 5 mg ∙ mL by adopting a spraying process-1The ethanol solution containing the fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven and dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
The performance of the super-hydrophobic antibacterial conductive fabric is tested, wherein the square resistance is 38.2 omega ∙ cm-1The contact angle of 5 microliter water drop on it is 153.19, and the antibacterial property to staphylococcus aureus is more than 99%.
Example 4:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) the nano-silver antibacterial agent with the mass percentage content of 0.02 percent is sprayed on the surface of the fabric without drying.
(2) 2.5 g of hydroxymethyl cellulose is dissolved in 47.5 ml of water solution and stirred until the solution is completely dissolved, then 39.5 ml of N, N-dimethyl amide is added into the solution, the solution is stirred for 5 minutes at 800 rpm, then 8 g of nano silver wire is added, and the solution is stirred for 30 minutes at 800 rpm, so that nano silver wire ink is prepared.
(3) Place the screen printing half tone of design on the fabric, on putting the half tone with the electrically conductive ink of nanometer silver-colored line after the fixed half tone, with the scraper blade on the half tone coating nanometer silver-colored line ink, the blade coating number of times is 10, slowly lifts up the half tone from one side after the blade coating is accomplished, clear circuit can appear on the fabric surface. And (3) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at the temperature of 80 ℃ to obtain the conductive fabric.
(4) The concentration is 3 mg ∙ mL by adopting a spraying process-1The ethanol solution containing the fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven and dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
The performance of the superhydrophobic antibacterial conductive fabric is tested, wherein the square resistance is 16.7 omega ∙ cm-1The contact angle of 5 microliter water drop on it is 151.39, and the antibacterial property to staphylococcus aureus is more than 99%.
Example 5:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) the nano-silver antibacterial agent with the mass percent of 0.1% is sprayed on the surface of the fabric without drying.
(2) 2.5 g of hydroxymethyl cellulose is dissolved in 47.5 ml of water solution and stirred until the solution is completely dissolved, then 37.5 ml of N, N-dimethyl amide is added into the solution and stirred for 5 minutes at 800 rpm, then 12.5 g of nano silver wires are added and stirred for 30 minutes at 800 rpm to prepare the nano silver wire ink.
(3) Place the screen printing half tone of design on the fabric, on putting the half tone with the electrically conductive ink of nanometer silver-colored line after the fixed half tone, with the scraper blade on the half tone coating nanometer silver-colored line ink, the blade coating number of times is 10, slowly lifts up the half tone from one side after the blade coating is accomplished, clear circuit can appear on the fabric surface. And (3) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at the temperature of 80 ℃ to obtain the conductive fabric.
(4) The concentration is 5 mg ∙ mL by adopting a spraying process-1The ethanol solution containing the fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven and dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
The performance of the super-hydrophobic antibacterial conductive fabric is tested, wherein the square resistance is 5.71 omega ∙ cm-1The contact angle of 5 microliter water drop on it is 152.29, and the antibacterial property to staphylococcus aureus is more than 99%.
The applicant states that the present invention is illustrated in detail by the above examples, but the present invention is not limited to the above detailed methods, i.e. it is not meant that the present invention must rely on the above detailed methods for its implementation. It should be understood by those skilled in the art that any modification of the present invention, effective substitution of raw materials and addition of auxiliary components to the product of the present invention, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (5)
1. A super-hydrophobic antibacterial conductive fabric and a preparation method thereof are characterized in that the super-hydrophobic antibacterial conductive fabric and the preparation method thereof have the following preparation processes: (1) the nano-silver antibacterial agent is attached to the surface of the fabric by adopting a spraying or dipping method without drying; (2) completely dissolving hydroxymethyl cellulose in an aqueous solution, adding a certain amount of N, N-dimethyl amide solution into the aqueous solution, stirring for 5 minutes at 800-1200 rpm/minute, then adding a nano silver wire, and stirring for 30 minutes at 800-1200 rpm/minute to prepare nano silver wire ink; (3) placing a designed screen printing plate on a fabric, fixing the screen printing plate, then placing the nano silver conductive ink on the screen printing plate, carrying out blade coating on the nano silver conductive ink on the screen printing plate by using a scraper, wherein the blade coating frequency is 1-20 times, after the blade coating is finished, slowly lifting the screen printing plate from one side, and a clear circuit can appear on the surface of the fabric; putting the fabric printed with the circuit into a drying oven to be dried for 15-30 minutes at 70-80 ℃ to obtain a conductive fabric; (4) and (3) coating the ethanol solution containing the fluorine polysilsesquioxane on the surface of the conductive fabric by adopting a spraying method, and drying the conductive fabric in a drying oven at 70-80 ℃ for 15-30 minutes to obtain the super-hydrophobic antibacterial conductive fabric.
2. The superhydrophobic antibacterial conductive fabric and the preparation method thereof according to claim 1, wherein the nano silver antibacterial agent in the step (1) is nano silver sol with a mass percentage concentration of 0.02-0.1%, and the nano silver particle size is 5-30 nm.
3. The superhydrophobic, antibacterial and conductive fabric and the preparation method thereof according to claim 1, wherein the step (1) is carried out by adopting a spraying or dipping process to realize the attachment of the nano-silver antibacterial agent on the surface of the fabric.
4. The superhydrophobic, antibacterial and conductive fabric and the preparation method thereof according to claim 1, wherein the nano silver wire ink prepared in the step (2) comprises the following materials by mass percent: 8-20% of nano silver wire, 2-5% of hydroxymethyl cellulose, 16-40% of N, N-dimethyl amide and 35-71% of water.
5. The superhydrophobic, antibacterial and conductive fabric and the preparation method thereof according to claim 1, wherein the ethanol solution of the fluorine-containing polysilsesquioxane in the step (4) is 3-5 mg ∙ mL-1。
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