CN116872593A - Mosquito-repellent textile and production method thereof - Google Patents

Abstract

The invention belongs to the field of functional textiles and discloses a mosquito-repellent textile and a production method thereof. The production method of the mosquito-repellent textile includes the following steps: (1) Using fabrics containing chemical fibers as a base material, One surface is coated with an emulsion containing mosquito repellent and dried; the emulsion containing mosquito repellent includes the following components by weight: 100 parts of mosquito repellent microcapsules; 20-50 parts of mosquito repellent plant essential oil microcapsules; 1- 5 parts of silica airgel particles; 2-10 parts of aqueous film-forming agent; 0.5-2 parts of thickening agent; 0-15 parts of water; (2), carry out ultrasonic bonding of the dried product of step (1) The mosquito-repellent textiles are obtained by combining and embossing them with an emulsion-coated surface-adhesive microporous film. The mosquito repellent textile produced by the invention has a long-lasting mosquito repellent effect and good comfort experience.

Description

Mosquito repellent textile and production method thereof

Technical field

The present invention relates to the technical field of functional textiles, and in particular to a mosquito repellent textile and a production method thereof.

Background technique

Functional textiles refer to textiles that, in addition to their own basic use value, also have other additional special functions, such as waterproof, oil-proof, antibacterial, mosquito-proof and other functions. Among them, mosquito repellent textiles mainly have the function of repelling mosquitoes. Every time the weather gets warmer, mosquito activity also increases, causing people a lot of trouble. Mosquitoes not only affect people's lives but also spread diseases and disrupt everyone's lives. There are many methods for repelling mosquitoes on textiles, such as finishing after printing and dyeing, and spinning processing methods. Their ingredients, effective time, safety and environmental properties are uneven, and the mosquito repellent effects are also different.

Imonin (also called insect repellent) is a broad-spectrum, highly efficient insect repellent that has good repellent effects on flies, mosquitoes, etc.; it has lower toxicity, less irritation, and longer repellent time With its distinctive features such as longer length, it can be made into solutions, emulsions, ointments, aerosols, mosquito coils, microcapsules and other special repellent agents. However, the mosquito repellent effect of textiles directly treated by Imonin lasts only 4-8 hours. How to permanently fix mosquito repellents such as Imonin on textiles without affecting the use experience has become a problem for today's textile repellents. One of the directions of mosquito technology research.

Contents of the invention

In view of the above shortcomings of the prior art, the purpose of the present invention is to provide a mosquito repellent textile and a production method thereof. The mosquito repellent textile produced by the present invention has a long-lasting mosquito repellent effect and a good comfort experience.

The invention provides a production method of mosquito repellent textiles, which includes the following steps:

(1). Use a fabric containing chemical fiber as a base material, coat one surface of the base material with an emulsion containing a mosquito repellent, and dry it; the emulsion containing a mosquito repellent includes the following components by weight:

100 parts of mosquito repellent microcapsules; 20-50 parts of mosquito repellent plant essential oil microcapsules; 1-5 parts of silica aerogel particles; 2-10 parts of water-based film-forming agent; 0.5-2 parts of thickener; 0- 15 parts water;

(2) The product dried in step (1) is subjected to ultrasonic bonding and embossing, and a microporous film is bonded to the emulsion-coated surface to obtain a mosquito repellent textile.

Preferably, the chemical fiber material in the base material is one or more of polyester, nylon, polyethylene, polylactic acid and polypropylene; the base material also contains cellulose fibers.

Preferably, the coating is a roller coating method, the mesh number of the coating roller used is 80-120 mesh, and the coating amount is 4-10g/m ² .

Preferably, the active ingredient of the mosquito repellent microcapsules is mosquito repellent; the mosquito repellent plant essential oil microcapsules contain one or more of aloe essential oil, eucalyptus essential oil and neem essential oil.

Preferably, the solid content of the emulsion containing mosquito repellent is 20% to 40%, and the room temperature viscosity is 80-120dPa.s.

Preferably, the drying temperature is 100-130°C and the drying time is 2-10 minutes.

Preferably, the ultrasonic bonding embossed pattern is a non-solid closed-loop pattern with gaps between the patterns.

Preferably, the vibration frequency of the ultrasonic bonding embossing is 20-30kHz, and the vehicle speed is 4-6m/min.

Preferably, the microporous membrane has an average pore diameter of 0.3-0.5 nm and a thickness of 0.3-0.5 μm; the microporous membrane is a polyurethane microporous membrane, a polytetrafluoroethylene microporous membrane, a polyester microporous membrane or a polyester microporous membrane. Ether microporous membrane.

Preferably, the coating method can be roller coating or blade coating.

Furthermore, the present invention provides mosquito repellent textiles obtained according to the production method described above.

Compared with the prior art, embodiments of the present invention use a certain proportion of mosquito repellent ester and natural mosquito repellent plant essential oils as mosquito repellent auxiliaries, and the active ingredients are attached to the surface of textiles such as fabrics through coating; among which, natural mosquito repellent plant essential oils It can synergize with the mosquito repellent effect, and the antibacterial ingredients in plants can also inhibit the growth of bacteria on textiles; the addition of silica airgel particles can absorb odors in lotions, improve the smell of mosquito repellent lotions, and reduce discomfort on textiles . Although mosquito repellent is bonded to textiles, it dissipates quickly when exposed to the air for a long time. The present invention further uses ultrasonic bonding technology to attach the moisture-permeable and waterproof microporous film to the reverse side of the textile to form a relatively closed space. The volatility of mosquito repellent and other additives is limited, and accordingly the mosquito repellent can be extended. time. Experiments show that the mosquito repellent textile obtained by the present invention has a long-lasting mosquito repellent effect and has good comfort experience.

In addition, the present invention uses ultrasonic bonding technology. First, it improves the damage to the microporous membrane caused by traditional needle thread bonding. Second, ultrasonic bonding can achieve continuous point bonding and reduce the passage of closed spaces. Third, through point-like bonding, Bonding can create patterns on the surface of textiles, adding to their beauty. Microporous films of different colors can form colorful patterns, adding to the childlike interest of textiles. This product can be used for tents, floor mats, carts, mattresses and other products, and has good practicality.

Detailed ways

The technical solutions in the embodiments of the present application are clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

The invention provides a production method of mosquito repellent textiles, which includes the following steps:

(1). Use a fabric containing chemical fiber as a base material, coat one surface of the base material with an emulsion containing a mosquito repellent, and dry it; the emulsion containing a mosquito repellent includes the following components by weight:

100 parts of mosquito repellent microcapsules; 20-50 parts of mosquito repellent plant essential oil microcapsules; 1-5 parts of silica aerogel; 2-10 parts of water-based film-forming agent; 0.5-2 parts of thickener; 0-15 portion of water;

(2) The product dried in step (1) is subjected to ultrasonic bonding and embossing, and a microporous film is bonded to the emulsion-coated surface to obtain a mosquito repellent textile.

The production method provided by the invention obtains mosquito repellent textiles with good user experience, and is mainly used to solve the problem in the prior art that the mosquito repellent effect of textiles is not long-lasting.

In the embodiment of the present invention, a fabric containing chemical fibers is selected as the base material; the chemical fiber material in the base material can be one or more of polyester, nylon, polyethylene, polylactic acid and polypropylene. The base material also contains cellulose fiber components, such as cotton, bamboo fiber, viscose fiber, modal fiber, Tencel, etc., to increase the moisture absorption and breathability of the fabric. Among them, Modal and Tencel are both regenerated cellulose fibers, and they have different trade names. The present invention has no special restrictions on the fabric structure, specifications, etc. of the base material, and the weight range is 40-100gsm.

In some embodiments of the present invention, polyester-cotton woven fabric pre-treatment cloth can be used. The fabric specifications are 40S*40S130*90, the warp and weft yarn counts are 40S, the warp yarn density is 130 yarns/inch, and the weft yarn density is 90 yarns/inch. , the ingredient mass ratio is: 70% polyester, 30% cotton.

In the embodiment of the present invention, an emulsion containing mosquito repellent is prepared: a certain proportion of silica airgel particles can be poured into water, fully dispersed, and then the mosquito repellent microcapsule emulsion and the mosquito repellent plant essential oil microcapsule emulsion are added. , water-based film-forming agent, stir evenly, then add thickener, stir, and adjust the pH to 6-7. The above-mentioned raw material components are mixed to form the emulsion. The specific operation method includes: pouring the silica airgel particle emulsion into an ingredient bucket filled with water, stirring at 900 rpm for 13 minutes, and then adding the mosquito repellent Microcapsule emulsion and mosquito repellent plant essential oil microcapsule emulsion are added to the ingredients bucket. After stirring evenly, add the thickener while stirring until the consistency is moderate to obtain a mixed slurry, and then use acetic acid to adjust the pH of the mixed solution; finally, Filter the mixed slurry through a 80-120 mesh filter and set aside.

Among them, the above preparation raw materials can be an emulsion formed by uniformly dispersed microcapsules in water; the active ingredient of the mosquito repellent microcapsule emulsion is mosquito repellent ester, such as commercially available Immonin. The structural components of the microcapsule wall material include silica, melamine resin, etc., the solid content of the emulsion is 35-45% (the solid content is the mass ratio of the microcapsule to water), and the particle size is 2-20 microns. The active ingredients of the mosquito repellent plant essential oil microcapsule emulsion are natural plant essential oil microcapsules with mosquito repellent effect, such as eucalyptus essential oil, neem essential oil, and aloe vera essential oil. The emulsion has a solid content of 35-45% and a particle size of 1.8-2.3 microns; The structural components of the microcapsule wall material include polyacrylamide, melamine resin, etc. The active ingredient of the silica airgel particle emulsion is silica airgel particles, which have a porous structure and can absorb odors in the emulsion. The particle size is 1-5 microns, and the solid content of the emulsion is 10-20%.

Moreover, the 2-10 parts of the aqueous film-forming agent is preferably 5-10 parts by mass, and its active ingredient is a water-based acrylic resin, such as anionic acrylic resin emulsion. The thickener is preferably an ethyl hydroxyethyl cellulose component, such as Zhongfeng Thickener C-294, and its mass part is 0.5-2 parts; the mixed and prepared emulsion also contains 0-15 parts of water.

Preferably, the mass solid content of the mosquito repellent-containing emulsion is 20% to 40%, and the room temperature viscosity is 80-120dPa.s, preferably 90-100dPa.s.

After obtaining the slurry containing the mosquito repellent, in the embodiment of the present invention, one surface of the substrate is coated, which can be roller coating or blade coating, and then dried to obtain a treated substrate.

Some embodiments of the present application use roller coating equipment for coating (coating). The mesh number of the coating roller used in the roller coating is preferably 80-120 mesh, such as 100 mesh (the larger the mesh number of the coating roller, the larger the coating amount). For example, the coating amount is preferably 4-10g/m ² . Moreover, the drying temperature is preferably 100-130°C, and the drying time can be 2-10 minutes. Preferably, the coating method can be blade coating or roller coating, and blade coating is used for fabrics with a large amount of coating, such as 10g/m ² .

In the embodiment of the present invention, the dried product is subjected to ultrasonic bonding and embossing, and the emulsion-coated surface is bonded to a microporous film and a light fabric to obtain a mosquito repellent textile.

The working principle of the ultrasonic bonding and embossing process is to use high-frequency oscillation (20,000 times per second) to transmit sound waves from the welding head to the plastic welding surface, which instantly causes friction between the plastic molecules, reaches the melting point of the plastic, and quickly dissolves to complete the process. bonding. Under the vibration and heating of the ultrasonic welding head, the microporous film and the light fabric described in the embodiment of the present invention are melted and attached to the fabric to form a protective layer to cover the base fabric printed with the mosquito repellent. In embodiments of the present invention, the pattern of the ultrasonic bonding embossing is a non-solid closed-loop pattern, such as circles, triangles, trapezoids, stars, etc., with gaps between the patterns; the microporous film coverage area accounts for 10% of the textile. 100% of the reverse side, the different bonding patterns are non-continuous.

In an embodiment of the present invention, the microporous film is a film with a microporous structure, which is waterproof and moisture-permeable. The micropores ensure that the anti-mosquito finishing aid can volatilize and prevent water from penetrating. Preferably, the microporous membrane has an average pore diameter of 0.3-0.5 nm and a thickness of 0.3-0.5 μm. The microporous film can be a thermoplastic polyurethane (TPU) microporous film, a polytetrafluoroethylene microporous film, or a hot melt film such as a polyester microporous film or a polyether microporous film; it can be plain or printing. Specifically, the microporous film is a microporous PU film with a density of 1.1g/cm ³ , a tensile strength of ≥30Mpa, a tear strength of ≥80KN/m, an elongation of ≥800%, and a melting point of 130-140°C. . Preferably, a thin fabric can be synchronously bonded with ultrasonic waves on the outside of the waterproof and moisture-permeable microporous membrane to increase the protection of the microporous membrane. Preferably, the light and thin fabric can be 35-50gsm woven fabric, polyester or nylon material, such as 20D*20D, 38gsm nylon woven fabric.

In an embodiment of the present invention, the ultrasonic bonding and embossing process is completed on an ultrasonic bonding machine, for example, the reverse side of the fabric is quilted on an ultrasonic quilting machine; the vibration frequency of the ultrasonic bonding and embossing is preferably 20-20 30kHz, the vehicle speed can be 4-6m/min. Preferably, the diameter of the ultrasonic welding points (regular shape) is 1-3mm, and the spacing is 1-2mm. The embodiment of the present invention uses ultrasonic bonding and embossing technology to bond a microporous film with a microporous structure to the fabric; after the back of the fabric is covered with the microporous film, the volatility of auxiliary agents such as mosquito repellent is limited, and accordingly, the Extend mosquito repellent time.

Embodiments of the present invention provide mosquito repellent textiles obtained according to the production method described above, that is, using a base material (fabric) containing at least one chemical fiber component, coating with an anti-mosquito finishing agent (mosquito repellent, etc.), drying , the textile obtained after ultrasonic bonding of microporous films has a long-lasting mosquito repellent effect.

In addition, the surface of the mosquito repellent textile can have a variety of colorful patterns or solid colors of different colors, with a comfortable smell, which improves the aesthetics and comfort. It can be used in products such as tents, floor mats, carts, mattresses, etc., and has promising application prospects. good.

In order to better understand the technical content of the present invention, specific examples are provided below to further illustrate the present invention. Before further describing the specific embodiments of the present invention, it should be understood that the protection scope of the present invention is not limited to the following specific specific embodiments; it should also be understood that the terms used in the embodiments of the present invention are for describing specific specific embodiments, It is not intended to limit the scope of the present invention. Test methods without specifying specific conditions in the following examples usually follow conventional conditions or conditions recommended by each manufacturer.

In the following examples, the emulsion containing mosquito repellent is prepared as follows: Pour the silica airgel particle emulsion into an ingredient bucket filled with water, stir for 13 minutes at 900 rpm, and then add the mosquito repellent microcapsules, repellent Mosquito plant microcapsules are added to the ingredient bucket. After stirring evenly, add the thickener while stirring until the consistency is moderate to obtain a mixed slurry. Then use acetic acid to adjust the pH of the mixed solution; finally, pass the mixed slurry through 80-120 Filter through mesh strainer and set aside. Its solid content is 20% to 40%, and its room temperature viscosity is 80-120dPa.s.

The insect repellent ester is selected from Gusang Chemical's insect repellent finishing agent HAB. The emulsion solid content is 35-45% and the particle size is 2-20 microns. The mosquito repellent plant essential oil microcapsules are aloe essential oil microcapsules, containing more than 30% of aloe-emodin or eucalyptus oil. Microcapsules contain 24.7% eucalyptol and 26.3% geranol, emulsion solid content 35-45%, particle size 1.8-2.3 microns. The silica airgel particles are selected from the SiO2 airgel emulsion of Jiangsu Anjia New Materials, with a particle size of 1-5 microns and a solid content of 10-20%. The active ingredients of the water-based film-forming agent are methylol acrylamide or glycidyl acrylate, such as 2,3-epoxypropyl acrylate. The thickener is ethyl hydroxyethyl cellulose, such as Zhongfeng Thickener C-294.

Example 1

Use polyester-cotton fabric pre-treatment cloth, the gauze specifications are 40S*40S 130*90 130gsm, and the composition is 30% cotton and 70% polyester.

After pre-treatment, roll on a lotion containing mosquito repellent. The emulsion containing mosquito repellent (solid content is 25%, room temperature viscosity is 110dPa.s) includes: 100 parts of commercially available mosquito repellent emulsion, 50 parts of aloe essential oil microcapsules, 5 parts of silica aerogel particles, Mix 10 parts of water-based film-forming agent, 0.5 parts of thickening agent, and 2 parts of water with a pH of 6. Stir evenly and then apply it on the fabric with a roller. The coating amount is 5g/m ² and dry at 120°C.

The dried product is subjected to ultrasonic bonding and embossing, so that the emulsion-coated surface is bonded with a microporous film, and the outside of the microporous film is covered with bonded 38gsm polyester cloth to obtain a mosquito repellent textile.

Among them, a circular colored TPU film is selected, with a pore size of 0.4nm, a thickness of 0.4 microns, a density of 1.1g/cm ³ , a tensile strength of 30Mpa, a tear strength of 80KN/m, an elongation of 800%, and a melting point of 130°C. . Quilt the reverse side of the fabric on an ultrasonic quilting machine. The diameter of the quilting pattern is 5CM, the diameter of the quilting points is 2mm, and the spacing is 2cm. 100% TPU coverage on reverse side. The vibration frequency of ultrasonic waves is 20kHz, and the vehicle speed is 4m/min.

Example 2

Use polyester and viscose woven fabric pre-treatment cloth. The fabric specification is 50gsm and the composition is 80% polyester and 20% viscose.

After pre-treatment, spray a lotion containing mosquito repellent. The emulsion containing mosquito repellent (solid content is 30%, room temperature viscosity is 90dPa.s) includes: 100 parts of mosquito repellent emulsion, 20 parts of neem essential oil microcapsules, 1 part of silica airgel particles, 2 Mix 10 parts of water-based film-forming agent, 0.5 parts of thickening agent, and 2 parts of water. The pH is 6. Stir evenly and then coat the fabric. The coating amount is 10g/m ² and dry at 130°C.

The dried product is subjected to ultrasonic bonding and embossing, and is passed through an emulsion-coated surface-bonded microporous film and 40gsm nylon cloth to obtain a mosquito repellent textile.

Among them, polytetrafluoroethylene microporous membrane is selected, with a pore size of 0.5nm, a thickness of 0.5 microns, a density of 1.2g/cm ³ , a tensile strength of 40Mpa, a tear strength of 80KN/m, an elongation of 900%, and a melting point of 130℃. Quilt the reverse side of the fabric on an ultrasonic quilting machine. The diameter of the quilting pattern is 3CM, the diameter of the quilting points is 2mm, and the spacing is 1.5cm. The vibration frequency of ultrasonic waves is 30kHz, and the vehicle speed is 4m/min.

Comparative example 1

Use polyester and viscose woven fabric pre-treatment cloth. The fabric specification is 50gsm and the composition is 80% polyester and 20% viscose.

After pre-treatment, spray a lotion containing mosquito repellent. The emulsion containing mosquito repellent (solid content is 30%, room temperature viscosity is 90dPa.s) includes: 100 parts of mosquito repellent emulsion, 2 parts of water-based film-forming agent, 0.5 parts of thickener, 2 parts of water, and the pH is 6. Stir evenly and then coat the fabric with a coating amount of 10g/m ² and dry at 130°C.

The dried product is subjected to ultrasonic bonding and embossing, and is passed through an emulsion-coated surface bonding microporous film and 40gsm nylon cloth to obtain a mosquito repellent textile.

Among them, polytetrafluoroethylene microporous membrane is selected, with a pore size of 0.5nm, a thickness of 0.5 microns, a density of 1.2g/cm ³ , a tensile strength of 40Mpa, a tear strength of 80KN/m, an elongation of 900%, and a melting point of 130℃. Quilt the reverse side of the fabric on an ultrasonic quilting machine. The diameter of the quilting pattern is 3CM, the diameter of the quilting points is 2mm, and the spacing is 1.5cm. The vibration frequency of ultrasonic waves is 30kHz, and the vehicle speed is 4m/min.

Comparative example 2

Use polyester and viscose woven fabric pre-treatment cloth. The fabric specification is 50gsm and the composition is 80% polyester and 20% viscose.

After pre-treatment, spray a lotion containing mosquito repellent. The emulsion containing mosquito repellent includes: 100 parts of mosquito repellent emulsion, 20 parts of neem essential oil microcapsules, 1 part of silica airgel particles, 2 parts of water-based film-forming agent, 0.5 parts of thickener, 2 parts Water, pH is 6, stir evenly and then coat the fabric with a coating amount of 10g/m ² and dry at 130°C.

Comparative example 3

Use polyester and viscose woven fabric pre-treatment cloth. The fabric specification is 50gsm and the composition is 80% polyester and 20% viscose.

After pre-treatment, spray a lotion containing mosquito repellent. The emulsion containing mosquito repellent (solid content is 30%, room temperature viscosity is 90dPa.s) includes: 20 parts of neem essential oil microcapsules, 1 part of silica airgel particles, 2 parts of aqueous film-forming agent, 0.5 2 parts of thickener, 2 parts of water, pH is 6, stir evenly and then coat the fabric with a coating amount of 10g/m ² and dry at 130°C.

The dried product is subjected to ultrasonic bonding and embossing, and is passed through an emulsion-coated surface-bonded microporous film and 40gsm nylon cloth to obtain a mosquito repellent textile.

Among them, polytetrafluoroethylene microporous membrane is selected, with a pore size of 0.5nm, a thickness of 0.5 microns, a density of 1.2g/cm ³ , a tensile strength of 40Mpa, a tear strength of 80KN/m, an elongation of 900%, and a melting point of 130℃. Quilt the reverse side of the fabric on an ultrasonic quilting machine. The diameter of the quilting pattern is 3CM, the diameter of the quilting points is 2mm, and the spacing is 1.5cm. The vibration frequency of ultrasonic wave is 30kHz, and the vehicle speed is 4m/min.

The mosquito repellent performance of textiles was tested in accordance with "GB/T 30126-2013 Testing and Evaluation of Mosquito Repellent Performance of Textiles". 30%-50% is Class C, which has a repellent effect; 50%-70% is Class B, which has a good repellent effect; >70% is Class A, which has a strong repellent effect.

Test the odor of textiles in accordance with "GB 18401-2010 National Basic Safety Technical Specifications for Textile Products".

According to ISO 0811:2018, the hydrostatic pressure after 5 times of washing is measured in mmH2O. The larger the value, the better the waterproofing. If it is greater than 3000mmH2O, it has a waterproof effect.

The moisture permeability of the fabric is tested according to JIS L1099: B-1:2012. The larger the value, the better the moisture permeability.

The result is as follows:

Table 1 Textile sample performance results of Examples

Among them, the number of mosquitoes falling in the test group of the sample of Example 2 was 3, and the number of mosquitoes falling in the control group (untreated fabric of the same style) was 106, so the repellent rate of the sample was 97.17% (before washing). After the sample was machine washed 10 times according to the standard method, the number of mosquitoes in the test group was 57, and the number of mosquitoes in the control group (untreated same fabric) was 102, so the repellent rate of the sample after machine washing 10 times is 44.12%.

According to standard evaluation, the textiles in the examples have a relatively long-lasting mosquito repellent effect. Moreover, the mosquito repellent textiles in the embodiments have no peculiar smell and provide good comfort experience.

It should be noted that, as used herein, the terms "include", "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or equipment.

When the examples give numerical ranges, it should be understood that, unless otherwise stated in the present invention, both endpoints of each numerical range and any value between the two endpoints can be selected. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition to the specific methods, equipment, and materials used in the embodiments, those skilled in the art can also use methods, equipment, and materials described in the embodiments of the present invention based on their understanding of the prior art and the description of the present invention. Any methods, equipment and materials similar or equivalent to those in the prior art may be used to implement the present invention.

This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above examples is only used to help understand the method and the core idea of the present invention. The above are only preferred embodiments of the present invention. It should be pointed out that due to the limitations of written expressions, there are objectively unlimited specific structures. For those of ordinary skill in the art, without departing from the principles of the present invention, Below, several improvements, modifications or changes can also be made, or the above technical features can be combined in an appropriate manner; these improvements, modifications or combinations, or the concepts and technical solutions of the invention can be directly applied to other situations without improvement. , should be regarded as the protection scope of the present invention.

Claims (10)

1. The production method of the mosquito-repellent textile is characterized by comprising the following steps of:

(1) Coating one surface of a base material with an emulsion containing a mosquito repellent by taking a chemical fiber-containing fabric as the base material, and drying; the mosquito repellent-containing emulsion comprises the following components in parts by weight:

100 parts of mosquito repellent microcapsule; 20-50 parts of mosquito-repellent plant essential oil microcapsule; 1-5 parts of silica aerogel; 2-10 parts of an aqueous film forming agent; 0.5-2 parts of thickener; 0-15 parts of water;

(2) And (3) carrying out ultrasonic bonding embossing on the dried product in the step (1) to bond a microporous membrane on the surface of the product coated by the emulsion, thereby obtaining the mosquito-repellent textile.

2. The method for producing mosquito-repellent textile according to claim 1, wherein the chemical fiber material in the base material is one or more of polyester, nylon, polyethylene, polylactic acid and polypropylene; the substrate also contains cellulosic fibers.

3. The method for producing mosquito repellent textile according to claim 1, wherein the coating is performed by roll coating, the number of coating rolls used is 80-120 mesh, and the coating amount is 4-10g/m ² 。

4. The method for producing a mosquito repellent textile according to claim 1, wherein the mosquito repellent microcapsule comprises an active ingredient of mosquito repellent ester; the mosquito-repellent plant essential oil microcapsule contains one or more of aloe essential oil, eucalyptus essential oil and nim tree essential oil.

5. The method for producing mosquito repellent textile according to claim 1, wherein the emulsion containing the mosquito repellent has a solid content of 20% to 40% and a room temperature viscosity of 80 to 120dpa.s.

6. The method for producing mosquito repellent textile according to claim 1, wherein the temperature of the drying is 100-130 ℃ for 2-10min.

7. The method of claim 1, wherein the pattern of ultrasonic bonding embossments is a non-solid closed loop pattern with gaps between the patterns.

8. The method for producing a mosquito repellent textile according to claim 1, wherein the ultrasonic bonding embossment has a vibration frequency of 20-30kHz and a vehicle speed of 4-6m/min.

9. The method for producing a mosquito repellent textile according to claim 1, wherein the microporous membrane has an average pore size of 0.3 to 0.5nm and a thickness of 0.3 to 0.5 μm; the microporous membrane is a polyurethane microporous membrane, a polytetrafluoroethylene microporous membrane, a polyester microporous membrane or a polyether microporous membrane.

10. Mosquito repellent textile obtainable by the production process according to any one of claims 1 to 9.