TW202229686A - Easily identified long-lasting anti-bacterial textiles and their application treatments - Google Patents

Abstract

The present disclosure provides an easily identified long-lasting anti-bacterial textiles and their application treatments. The anti-bacterial textile slowly releases silver ions/silver nano-particles through the anti-bacterial protective film after electron beam irradiation treatment to achieve a long-lasting anti-bacterial effect. Furthermore, nano-titanium oxide (TiO2) and nano-zinc oxide (ZnO) are added individually as a supporting material, during the preparation of Ag/Ag NP, that produce a bi-metallic (Ag/Ti or Ag/Zn) anti-bacterial agent. Among these silver (Ag+/Ag NP) or bi-metallic (Ag/Ti or Ag/Zn) hybridized anti-bacterial agents, could be applied onto synthetic, man-made, natural, and mixtures thereof for synergistic anti-bacterial function, respectively. And then an electron beam (EB) irradiation has been introduced for grafting and/or cross-linking reaction between the anti-bacterial protective film and the textile surface to implement the long-lasting anti-bacterial textile functions and their applications.

Description

Easy identification of persistent antibacterial textiles and their application and treatment methods

The present application relates to the technical field of textiles, in particular to easy-to-identify durable antibacterial textiles and their application and treatment methods.

The inner side of the textile (clothing) is in contact with the skin of the human body, and absorbs the sweat released by the body and the metabolites on the body surface all the time. In addition, the surface fibers of textiles also come into contact with microorganisms such as viruses and bacteria from the outside world. ^Textiles with residual body metabolites (for example, when ^worn or placed in a wardrobe for a long time) may become A breeding ground for germs to grow, multiply, and further produce odors (eg, derivatives of isovaleric acid, ammonia, methyl mercaptan, acetic acid, hydrogen sulfide, etc.), spots (eg, mold), discoloration (eg, dye decomposition), and even Attached to infectious pathogens, etc.

Therefore, antibacterial textiles have become an important topic in recent years. However, although the current antibacterial textiles have antibacterial functions, they are also accompanied by disadvantages such as high price, limited antibacterial effect, and inability to wash with water. For example, inorganic compounds containing nano-metals (silver, titanium, zinc, etc.) can be used on antibacterial textiles. Such antibacterial textiles can be divided into two types, with and after the addition of antibacterial agents:

Take fibers containing silver ion antibacterial agents as an example. First, similar to the dope dye yarn process, a material masterbatch of an antibacterial agent (eg, silver ion compound) is placed into the fiber material, eg, polyester (polyethylene terephthalate) or nylon (polyamide), and then melt-spun to produce fibers containing silver ion compounds. Next, an antibacterial textile containing silver ions is formed by a spinning process. Although the fibers containing silver ion antibacterial agents have persistent antibacterial functions, only a few silver ions exposed on the surface of the fibers have antibacterial functions. Most of the silver ion components hidden in the fiber (which cannot be contacted with germs) cannot exert antibacterial function, which is a waste. On the other hand, if the concentration of the silver ion compound increases, it is easy to cause fiber breakage, which makes mass production difficult. In addition, the fibers containing silver ion antibacterial agents can only be used as thickened fibers, so they are not suitable for textiles such as soft underwear. Furthermore, the dyeing, finishing and water washing process in the latter stage may also cause problems of color difference and color matching; as for the antibacterial agents containing other nano-metal (titanium, zinc, etc.) inorganic compounds, they also face similar problems.

In addition, the fiber to which the silver ion type antibacterial agent is added (coated) externally is taken as an example. First, the silver ion compound is dispersed in an aqueous polymer dispersion or a polymer solution (organic solvent) to form a silver ion-containing dispersion type coating. Next, the coating is applied to the surface of the textile by spraying, dipping or rolling. Finally, through processes such as drying (or post-bridging reaction), a fiber to which silver ion type antibacterial agent is added is formed. The above-mentioned treatment method has low cost, and the concentration and release rate of silver ions can be adjusted. However, the silver ion-dispersed coating adheres to the fiber surface only by Van der Waals force. In the absence of any chemical bonding, this type of textile is not resistant to washing or rubbing, and cannot achieve durable antibacterial function; similarly, other nano-metal (titanium, zinc) compounds are added with antibacterial agents, and they also encounter similar problems. problem.

In order to solve the above technical problems, this application is implemented as follows:

In a first aspect, there is provided a method for treating easily identifiable durable antibacterial textiles, which comprises: mixing a reaction medium (aqueous polymer aqueous solution (eg, polyvinyl alcohol, PVA and the like)), silver-containing salts and water to form A first solution, wherein the first solution contains silver ions; a bridging agent is added to the first solution to form a second solution, wherein the reaction medium (such as PVA) and the bridging agent form a hydrogel with a 3D network chemical structure, the colloid Partially encapsulating (chelating) silver ions; adding a reducing agent to the second solution to form a hybridized anti-bacterial, wherein the hybrid anti-bacterial includes silver ions and nano-silver particles; placing the textile in the above aqueous solution Mixed into an antibacterial agent dispersion, through the procedures of impregnation, suction and drying (removing about 99% of the water), so as to form a microporous antibacterial protective film on the surface of the textile fiber; and by electron beam irradiation to make the antibacterial protective film and textiles The surface undergoes a grafting and/or bridging reaction.

In a second aspect, an easy-to-identify durable antibacterial textile is provided, which comprises a textile and an antibacterial protective film. The antibacterial protective film produces a grafting and/or bridging reaction with the surface of the textile fibers, and the antibacterial protective film contains a mixed antibacterial agent and a colloid. The mixed antibacterial agent contains silver ions and nano-silver particles. The colloid has a network structure and is partially coated and mixed into an antibacterial agent.

In a third aspect, an easy-to-identify durable antibacterial textile is provided, which comprises a textile and an antibacterial protective film. The antibacterial protective film produces a grafting and/or bridging reaction with the surface of the textile fibers, and the antibacterial protective film contains a mixed antibacterial agent and a colloid. Hybrid antimicrobials contain silver/titanium bimetallic compounds and/or silver/zinc bimetallic compounds. The colloid has a network structure and is partially coated and mixed into an antibacterial agent.

The easy-to-identify and persistent antibacterial textiles of the present application and the processing method thereof use a low-toxicity mixed antibacterial agent composed of silver ions and nano-silver particles, and use an aqueous polymer material (ie, a reaction medium) to make the mixed antibacterial agent It adheres to the surface of the fiber, and forms a microporous antibacterial protective film after drying (removal of water); then, coats (chelates) the water-based polymer and the surface of the fiber mixed into the antibacterial agent, and then uses a high-energy electron beam ( Electron Beam (EB) irradiation technology enables water-based polymers to undergo grafting and/or bridging reactions with fiber surface molecules to form a 3D three-dimensional network structure that is resistant to washing and abrasion. In this way, the antibacterial protective film after grafting and bridging can control the release rate of silver ions and achieve persistent antibacterial function.

In order to facilitate the understanding of the technical features, content and advantages of the present invention and the effects that can be achieved, the present invention is hereby described in detail with the accompanying drawings, and in the form of embodiments as follows, and the drawings used therein are only for the purpose of For the purpose of illustration and auxiliary description, it is not necessarily the real scale and precise configuration after the implementation of the present invention, so the ratio and configuration relationship of the attached drawings should not be interpreted or limited to the scope of rights of the present invention in actual implementation. Say Ming.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be construed as having meanings consistent with their meanings in the context of the related art and the present invention, and are not to be construed as idealized or excessive Formal meaning unless expressly so defined herein.

Please refer to FIG. 1 , which is a flowchart of an embodiment of the present application for treating a method for easily identifying durable antibacterial textiles, wherein the sequence of the steps is not fixed and indispensable, and some steps may be performed simultaneously, omitted or added , this flowchart describes the step features of the present invention in a broad and simple manner, and is not intended to limit the sequence and number of steps of the manufacturing method of the present invention. As shown, treatments for easily identifiable persistent antimicrobial textiles include:

Step S10: The aqueous polymer mixes the reaction medium, silver-containing salts and water to form a first solution, wherein the first solution contains silver ions.

In some embodiments, the reaction medium may comprise water-soluble polyvinyl alcohol (PVA). Preferably, the reaction medium may contain polyvinyl alcohol with a molecular weight of about 200,000 Daltons or more with a high degree of polymerization or an ultra-high degree of polymerization (the degree of hydrolysis is about 70-85%). The polyvinyl alcohol (or its colloid formed in the subsequent step) is used to carry or coat the silver ions (and the silver particles formed by reduction in the subsequent step) for antibacterial purposes.

In some embodiments, the salt-containing silver species may comprise silver nitrate (AgNO3 ₎ . Silver nitrate dissociates into nitrate ions and silver ions after dissolution. More specifically, silver ions achieve antibacterial function by carrying positive charges. For example, the positive charge of silver ions is attracted by the negative charge on the cell membrane of germs. The silver ions then damage the bacteria's DNA and inhibit protein growth, preventing the bacteria from metabolizing and continuing to multiply (ie, inhibiting the bacteria). When the bacteriostatic function is completed, the bacterial cells lose their reproductive activity, and the silver ions continue to react with other bacteria. Silver ions have a strong continuous antibacterial function. At low doses (50ppm~100ppm), silver ions can exert antibacterial functions without other side effects.

Specifically, the formulation of the first solution can be as follows:

First, polyvinyl alcohol is diluted with demineralized water (ie, water with a low electrolyte content) to obtain one liter of polyvinyl alcohol aqueous solution. Wherein, the weight percentage of polyvinyl alcohol may be 0.5-1.5%. Preferably, the weight percentage of polyvinyl alcohol is 1%.

Next, silver nitrate was added to the aqueous polyvinyl alcohol solution to form a first solution. Wherein, the ratio of silver nitrate to polyvinyl alcohol aqueous solution may be 1 g/1 liter to 3 g/1 liter. Preferably, the ratio of silver nitrate to polyvinyl alcohol aqueous solution is 2 g/100 ml. Alternatively, the weight percent of silver nitrate may be 0.1% to 0.3%. Preferably, the weight percentage of silver nitrate may be 0.2%. In the first solution composed of the above ratios, the concentration of silver ions was about 1270 ppm.

Besides, the first solution may further comprise a protective agent, and the protective agent may comprise an aqueous polymer material having a polyfunctional hydroxyl group (-OH) and a carboxyl group (COO ⁻ ). For example, the waterborne polymer material may include aqueous acrylic emulsions and/or water-borne PU dispersions. In some embodiments, the protective agent acts as a dispersing chelating agent for silver ions. Alternatively, in other embodiments, the protective agent can also be used as a chemical bonding reinforcing agent to further enhance the effect of electron beam irradiation (which will be further explained later). The content of the protective agent can be adjusted according to the actual situation to meet the different needs of the silver ion dispersion effect or the different electron beam irradiation intensity.

Step S12 : adding a bridging agent to the first solution to form a second solution, wherein the reaction medium and the bridging agent form a colloid with a 3D three-dimensional network chemical structure, and the colloid partially coats (chelates) silver ions.

In some embodiments, the bridging agent may comprise borax or glutaldehyde. The bridging agent (eg, borax) reacts with the reaction medium (eg, polyvinyl alcohol) to form a network (or lattice, cage) colloid (eg, polyvinyl alcohol/boron complex (PVA/boron)) complex complex))). The colloid is used as a reaction medium for the reduction of silver ions.

Specifically, the formulation of the second solution can be as follows:

Borax was dropped into the first solution (i.e., an aqueous solution of polyvinyl alcohol containing silver ions) and mixed with rapid stirring to form a second solution. Specifically, the second solution contains polyvinyl alcohol/boron complex, and the polyvinyl alcohol/boron complex part of the network structure will coat (chelate) silver ions to form silver ion colloid.

Step S14 : adding a reducing agent to the second solution to form a mixed antibacterial agent, wherein the mixed antibacterial agent includes silver ions and nano-silver particles.

In some embodiments, the reducing agent may include sodium citrate, polyethanol, polyglycol oleate (eg, containing unsaturated fatty acid) (polyethylene glycol-600 Oleate, PGO). The reducing agent is used to reduce part of the silver ions to silver nanoparticles (Ag NPs). In other words, the antibacterial agent of the present application is a mixed antibacterial agent (Ag ⁺ /Ag NP), which contains silver ions, nano-silver particles, silver ion colloids and nano-silver particle colloids. Compared with using only the silver ion antibacterial agent, the mixed antibacterial agent of the present application has better durable antibacterial effect.

In some embodiments, nano-titanium dioxide (TiO ₂ ) and/or nano-zinc oxide (ZnO) dispersions with antibacterial functions can also be incorporated in the preparation process of the aqueous silver-containing antibacterial agent dispersion, respectively, to serve as the antibacterial agent. Silver is mixed into the support of antibacterial agent ((Ag ⁺ /Ag NP). In this way, by combining the antibacterial function of nano- _TiO2 or ZnO, bimetallic (silver/titanium or silver/zinc) containing compounds can be produced A variety of mixed antibacterial agents to provide synergy antibacterial effects of antibacterial textiles.

Step S16 : applying a mixed antibacterial agent on the surface of the textile to form an antibacterial protective film.

In some embodiments, the applied procedure may include impregnation, suction, and drying.

In some embodiments, the textile may comprise synthetic fibers, man-made fibers, natural fibers, or any combination thereof.

Step S18 : performing a grafting and/or bridging reaction between the antibacterial protective film and the surface of the textile by electron beam irradiation.

In some embodiments, the irradiant of the electron beam may be between 1 kGy and 50 kGy. Furthermore, the exposure dose is related to the type of textile. That is, different kinds of fibers (eg, synthetic fibers, man-made fibers, or natural fibers) use different electron beam irradiation doses.

More specifically, there are only Van der Waals forces and/or hydrogen bonds between the antibacterial protective film that has not been irradiated with electron beams and the surface of the textile. That is, the adsorption force between the antibacterial protective film and the surface of the textile is weak. Further, by irradiating electron beams, the antibacterial protective film can undergo grafting and/or bridging reaction with the fiber surface molecules of the textile. In this way, the adsorption force between the antibacterial protective film and the surface of the textile is further enhanced. In addition, by controlling the grafting rate and/or bridging density of the protective film, the release rate of antibacterial nanometal (such as Ag ⁺ /Ag NP, TiO ₂ or ZnO) compounds can also be adjusted, forming a similar release control method. (controlled release) antibacterial function mechanism to achieve durable antibacterial textiles such as washing resistance and abrasion resistance.

Step S20 : printing a fluorescent ink pattern on the surface of the textile, wherein the fluorescent ink pattern is a machine-readable two-dimensional code.

In some embodiments, the machine-readable two-dimensional code may be a quick response code (QR Code), but is not limited thereto. For example, in other embodiments, the two-dimensional code may also be a barcode. Further, the two-dimensional code may correspond to product information of textiles. In this way, consumers can scan the QR code to obtain the production history and product information of the product.

Based on the above, the present application realizes a processing method for identifying durable antibacterial textiles through the above steps, which can form antibacterial textiles with good identification and durability. In some embodiments, the identified durable antibacterial textiles formed by the above steps comprise: textiles and antibacterial protective films. Antibacterial protective films are grafted or bridged on textiles. The antibacterial protective film contains inorganic compounds such as silver ions, nano-silver particles, nano-titanium dioxide or nano-zinc oxide, and polymer colloids. The colloid has a 3D three-dimensional network structure, and partially coats (chelates) the above-mentioned nano-inorganic compound.

In order to make the technical features of the present application more obvious, some embodiments of the present application will be described in detail below. It should be noted that, without departing from the spirit of the present application, the present application can still be practiced in various forms, and the protection scope of the present application should not be limited to the specific implementation forms.

Embodiment 1. The preparation method of water-based polymer mixed into antibacterial agent (Ag ⁺ /Ag NP)

Take 2 grams of silver nitrate and slowly add 1 liter of polyvinyl alcohol aqueous solution (the weight percentage of polyvinyl alcohol is 1%) and keep stirring for 0.5 hours to form a uniform polyvinyl alcohol aqueous solution containing silver nitrate. Next, 0.1 g of borax or glutaraldehyde was added to form a hydrocolloid (Hydrogel) to immobilize (chelate) silver ions. Then add water-based polymer materials with multifunctional hydroxyl and carboxyl groups (for example, water-based polyurethane dispersion or water-based acrylic emulsion) as a dispersing chelating agent for silver ions in an aqueous solution and chemical bonding reinforcement in the subsequent electron beam irradiation process agent. Wherein, the additive amount of the aqueous polyurethane dispersion and/or the acrylic emulsion can be adjusted as required. Further, sodium citrate (or polyglycolic oleate) was selected as the silver ion reducing agent, and heating and stirring were maintained. In this way, the silver ions will be partially reduced to nano-silver particles in the aqueous polymer colloid to form a stable nano-scale mixed antibacterial agent. Since the water-based polymer material can be used as a stabilizer, the mixed antibacterial agent can be kept stable in the water phase. Therefore, under proper conditions (eg, nitrogen sealing), the antibacterial compound can remain stable for more than 6 months.

Embodiment 2, the preparation method of water-based polymer mixed into antibacterial agent (Ag ⁺ /Ag NP)

Compared with Example 1, in Example 2, an additional dose (100-500 ppm) of nano-titanium dioxide (TiO ₂ ) and/or nano-zinc oxide (ZnO) aqueous dispersion can be added in the preparation process to serve as a water-based mixed antibacterial agent. (Ag ⁺ /Ag NP) support substrate. In this way, a mixed antibacterial agent containing nano-bimetallic (silver/titanium or silver/zinc) compounds can be formed to provide a multiplicative antibacterial effect of antibacterial textiles.

Embodiment 3. The treatment method of textile persistent antibacterial

Textiles may use synthetic fibers, man-made fibers, natural fibers, or any combination thereof. First of all, the antibacterial agent containing silver ions and nano-silver particles in Example 1 or the antibacterial agent containing nano-bimetal (silver/titanium or silver/zinc) compound in Example 2 can be used to make textiles through the antibacterial agent. In the process of impregnation, pressure suction and drying, the mixed antibacterial agent is placed on the surface of the textile to form an antibacterial protective film. Specifically, aqueous polymers (ie, polyvinyl alcohol, polyvinyl alcohol/boron complexes, aqueous polyurethane dispersions, and aqueous acrylic emulsions) can be used as carriers for silver ions and nanosilver particles, and can also As an adhesive mixed with antibacterial agent and fiber surface. Then, the antibacterial agent is mixed with the fiber surface by electron beam irradiation, so as to carry out the reaction of molecular chain scission and recombination (generating free radicals and ionization) of colloidal molecules (ie, water-based polymers) and fiber surface molecules. In this way, colloid molecules and fiber surface molecules are grafted and bridged to form a three-dimensional network structure, which further stabilizes the mixed antibacterial agent in the antibacterial protective film. Further, by controlling the grafting rate and bridging density, the release rate of silver ions in the mixed antibacterial agent can also be controlled, the washing fastness and abrasion resistance of the textile can be increased, and the durable antibacterial function of the textile can be maintained.

Since different textiles have different properties, in the following, the treatments performed by the different fibers will be further described.

Embodiment 4. The treatment method of polyester fiber textiles with persistent antibacterial

First, configure the mixed antibacterial agent containing silver ions and nano-silver particles as described in the first embodiment or the mixed antibacterial agent containing the nano-bimetal (silver/titanium or silver/zinc) compound in the second embodiment, wherein, the protection The agent uses water-based acrylic emulsion, and cooperates with polyvinyl alcohol aqueous solution to act as the dispersing chelating agent of nano-metal mixed antibacterial agent (containing silver ions, nano-silver particles, nano-titanium dioxide or nano-zinc oxide) in the water phase. And the chemical bond strengthener in the subsequent electron beam irradiation process. Next, the treatment as described in Example 3 (ie, forming an antibacterial protective film and irradiating electron beams) was performed, wherein the irradiation dose of the electron beams was 50 kGy. In this way, the durable antibacterial effect of polyester fiber textiles (washed more than 30 times) can be achieved, and it can pass the AATCC100 antibacterial test.

Embodiment 5. Persistent antibacterial treatment method for nylon fiber textiles

First, configure the mixed antibacterial agent containing silver ions and nano-silver particles as described in Example 1 or the mixed antibacterial agent containing bimetallic (silver/titanium or silver/zinc) compounds in Example 2, wherein the protective agent is used Aqueous polyurethane dispersion, together with polyvinyl alcohol aqueous solution, together act as a dispersing chelating agent for metal mixed antibacterial agents (including silver ions, nano-titanium dioxide, nano-zinc oxide) in the water phase and chemical bonding in the subsequent electron beam irradiation process Reinforcing agent. Next, the treatment as described in Example 3 (ie, forming an antibacterial protective film and irradiating electron beams) was performed, wherein the irradiation dose of the electron beams was 30 kGy. In this way, the durable antibacterial effect of nylon fiber textiles (washed for more than 30 times) can be achieved and passed the AATCC100 antibacterial test.

Embodiment 6. Persistent antibacterial treatment method for acrylic fiber textiles

First, configure the mixed antibacterial agent containing silver ions and nano-silver particles as described in Example 1 or the mixed antibacterial agent containing bimetallic (silver/titanium or silver/zinc) compounds in Example 2, wherein the protective agent is used The water-based acrylic emulsion, together with the polyvinyl alcohol aqueous solution, acts as the dispersing chelating agent of the metal mixed antibacterial agent (containing silver ions, nano-titanium dioxide, nano-zinc oxide) in the aqueous phase and the chemical bond in the subsequent electron beam irradiation process Knot reinforcers. Next, the treatment as described in Example 3 (ie, forming an antibacterial protective film and irradiating electron beams) was performed, wherein the irradiation dose of the electron beams was 20 kGy. In this way, the durable antibacterial effect of acrylic fiber textiles (washed more than 30 times) can be achieved, and it can pass the AATCC100 antibacterial test.

Embodiment 7. Persistent antibacterial treatment of cotton or rayon fiber textiles

First, configure the mixed antibacterial agent containing silver ions and nano-silver particles as described in Example 1 or the mixed antibacterial agent containing bimetallic (silver/titanium or silver/zinc) compounds in Example 2, wherein the protective agent is used Aqueous polyurethane dispersion, combined with polyvinyl alcohol aqueous solution, together act as nano-bimetal mixed antibacterial agent (containing silver ions, silver nano-particles, nano-titanium dioxide or nano-zinc oxide) in the water phase dispersion chelating agent and follow-up Chemical bond strengthener in electron beam irradiation process. Next, the treatment as described in Example 3 (ie, forming an antibacterial protective film and irradiating electron beams) was performed, wherein the irradiation dose of the electron beams was 20 kGy. In this way, the durable antibacterial effect of cotton or rayon fiber textiles (washed for more than 30 times) can be achieved, and it can pass the AATCC100 antibacterial test.

Embodiment 8, the treatment method of silk or wool fiber textile persistent antibacterial

First, configure the mixed antibacterial agent containing silver ions and nano-silver particles as described in Example 1 or the mixed antibacterial agent containing bimetallic (silver/titanium or silver/zinc) compounds in Example 2, wherein the protective agent is used Aqueous polyurethane dispersion, combined with polyvinyl alcohol aqueous solution, together act as nano-bimetal mixed antibacterial agent (containing silver ions, silver nano-particles, nano-titanium dioxide or nano-zinc oxide) in the water phase dispersion chelating agent and follow-up Chemical bond strengthener in electron beam irradiation process. It should be noted that the protein in the fiber of silk or wool textiles contains sulfide, which may form a silver-sulfur chemical bond with the silver ions released by the mixed antibacterial agent, and passivate part of the antibacterial activity of the silver ion. Therefore, the amount of the mixed antibacterial agent of these two types of fibers needs to be doubled. Next, the treatment as described in Example 3 (ie, forming an antibacterial protective film and irradiating electron beams) was performed. Here, the irradiation dose of the electron beam was 20 kGy. In this way, the long-lasting antibacterial effect of silk or wool fiber textiles (washed more than 30 times) can be achieved, and it can pass the AATCC100 antibacterial test.

The persistent antimicrobial treatments described above can be applied to common textiles. By way of example, common textiles can be synthetic fibers, man-made fibers, natural fibers, or any combination thereof. Further, synthetic fibers may include polyester, nylon, acrylic, or any combination thereof; rayon may include rayon; and natural fibers may include silk, wool, cotton, or any combination thereof. It should be noted that the types of textiles described above are only examples and should not be construed as limitations of the present application. Any textiles known to those with ordinary knowledge in the technical field can obtain excellent and lasting antibacterial effect by the above-mentioned treatment method.

More specifically, the textiles mentioned above can be used as raw materials to be processed into various products. For example, textiles treated with durable antimicrobial treatments can be used in everyday clothing such as underwear, coats, socks, scarves, hats, masks, towels, gloves, vests, jackets, and sportswear, and home furnishings such as curtains , sofas, tablecloths, carpets, and chair cushions, bedding such as sheets, quilts, pillowcases, blankets, and pet bed pads. It should be noted that the above-mentioned product types are only examples and should not be construed as limitations to the present application. Any product recognized by a person with ordinary knowledge in the art can use the textile treated by the durable antibacterial treatment method as a raw material.

To sum up, the easy-to-identify and persistent antibacterial textiles and the treatment method thereof of the present application adopt the combination of silver ions and nano-silver particles to form antibacterial agents or nano-bimetallic (silver/titanium or silver/zinc) compounds, etc. The mixed antibacterial agent is formed, and the mixed antibacterial agent is attached to the surface of the fiber and forms an antibacterial protective film by means of an aqueous polymer material (ie, a reaction medium). Then, by high-energy electron beam (Electron Beam, referred to as EB) irradiation technology, the water-based polymer in the antibacterial agent and the surface of the fiber are chelated and mixed, so that the water-based polymer and the fiber undergo grafting and bridging reaction to form a water-resistant and Scratch-resistant three-dimensional mesh structure. In this way, the antibacterial protective film after grafting and bridging can control the release rate of silver ions and achieve persistent antibacterial function.

However, the above descriptions are only examples of the present application, and are not intended to limit the scope of implementation of the present application. For example, all equivalent changes and modifications made according to the shape, structure, characteristics and spirit described in the scope of the patent application of the present application, All should be included in the scope of the patent application of this application.

S10~S20: Steps

FIG. 1 is a flow chart of a processing method for easy-to-identify durable antibacterial textiles according to an embodiment of the present application.

S10~S20: Steps

Claims (15)

An application treatment method for easily identifying persistent antibacterial textiles, comprising: mixing a reaction medium, a silver-containing salt, and water to form a first solution, wherein the first solution includes silver ions; adding a bridging agent to the first solution to form a second solution, wherein the reaction medium and the bridging agent form a network-like colloid, and the colloid partially coats silver ions; adding a reducing agent to the second solution to form a mixed antibacterial agent, wherein the mixed antibacterial agent includes silver ions and nano-silver particles; applying the mixed antibacterial agent to the surface of a textile to form an antibacterial protective film; and The antibacterial protective film and the surface of the textile are subjected to a grafting and/or bridging reaction by electron beam irradiation. The application treatment method for easily identifying durable antibacterial textiles as claimed in claim 1, wherein the reaction medium comprises water-soluble polyvinyl alcohol. The application treatment method for easy-to-identify durable antibacterial textiles as claimed in claim 1, wherein the silver-containing salts comprise silver nitrate. The application treatment method for easily identifying durable antibacterial textiles as claimed in claim 1, wherein the bridging agent comprises borax or glutaraldehyde. The application treatment method for easily identifying durable antibacterial textiles according to claim 1, wherein the reducing agent comprises sodium citrate, polyethanol, and polyglycolic oleate. The application treatment method for easily identifiable durable antibacterial textiles as claimed in claim 1, wherein the textiles comprise synthetic fibers, man-made fibers, natural fibers or any combination thereof. The application treatment method for easy-to-identify durable antibacterial textiles according to claim 1, wherein the first solution further comprises a protective agent, and the protective agent comprises an aqueous acrylic emulsion and/or an aqueous polyurethane dispersion. The application treatment method for easily identifying durable antibacterial textiles as claimed in claim 1, wherein the irradiation dose of the electron beam is between 1 kGy and 50 kGy. The application treatment method for easy-to-identify durable antibacterial textiles as described in claim 1, further comprising: A fluorescent ink pattern is printed on the surface of the textile, wherein the fluorescent ink pattern is a machine-readable two-dimensional code. An easily identifiable persistent antimicrobial textile comprising: a textile; An antibacterial protective film, grafted or bridged on the textile, the antibacterial protective film comprising: a mixed antibacterial agent comprising silver ions and nano-silver particles; and A colloid, the colloid has a network structure and partially coats the mixed antibacterial agent. The easily identifiable persistent antimicrobial textile of claim 10, wherein the textile comprises synthetic fibers, man-made fibers, natural fibers, or any combination thereof; Wherein, the synthetic fiber comprises polyester, nylon, acrylic or any combination thereof; the man-made fiber comprises rayon; the natural fiber comprises silk, wool fiber, cotton or any combination thereof. The easily identifiable durable antibacterial textile as claimed in claim 10 for use in everyday clothing, home furnishings and/or bedding; Wherein, the daily clothes include underwear, coats, socks, scarves, hats, masks, towels, gloves, vests, jackets, sportswear or any combination thereof; the home accessories include curtains, sofas, tablecloths, carpets, and chair cushions or Any combination thereof; the bedding includes sheets, quilts, pillowcases, blankets, pet bed pads, or any combination thereof. An easily identifiable persistent antimicrobial textile comprising: a textile; An antibacterial protective film, grafted or bridged on the textile, the antibacterial protective film comprising: a mixed antibacterial agent comprising a silver/titanium bimetallic compound and/or a silver/zinc bimetallic compound; and A colloid, the colloid has a network structure and partially coats the mixed antibacterial agent. The easily identifiable durable antibacterial textile of claim 13, wherein the textile comprises synthetic fibers, man-made fibers, natural fibers, or any combination thereof; Wherein, the synthetic fiber comprises polyester, nylon, acrylic or any combination thereof; the man-made fiber comprises rayon; the natural fiber comprises silk, wool fiber, cotton or any combination thereof. The easily identifiable durable antibacterial textile as claimed in claim 13, which is used in everyday clothing, home furnishings and/or bedding; Wherein, the daily clothes include underwear, coats, socks, scarves, hats, masks, towels, gloves, vests, jackets, sportswear or any combination thereof; the home accessories include curtains, sofas, tablecloths, carpets, chair cushions or their Any combination; the bedding includes sheets, quilts, pillowcases, blankets, pet bed pads, or any combination thereof.

Images