Mosquito repellent textile and method of production thereof

Abstract

The application belongs to the field of functional textiles, and discloses an anti-mosquito textile and a production method thereof. The production method of the anti-mosquito textile comprises the following steps: (1) taking a fabric containing chemical fibers as a base material, coating an emulsion containing an anti-mosquito agent on one surface of the base material, and drying; the emulsion containing the anti-mosquito agent comprises the following components in parts by weight: 100 parts of anti-mosquito agent microcapsules, 20-50 parts of anti-mosquito plant essential oil microcapsules, 1-5 parts of silica aerogel particles, 2-10 parts of an aqueous film-forming agent, 0.5-2 parts of a thickening agent, and 0-15 parts of water; (2) performing ultrasonic bonding embossing on the product dried in step (1) to make the surface coated with the emulsion adhere to a microporous film, so that the anti-mosquito textile is obtained. The anti-mosquito textile produced by the application has a long-lasting anti-mosquito effect and a good comfort experience.

Description

Technical Field

[0001] This invention relates to the field of functional textile technology, and in particular to a mosquito-repellent textile and its production method. Background Technology

[0002] Functional textiles refer to textiles that, in addition to their basic use value, possess additional special functions, such as waterproofing, oil resistance, antibacterial properties, and insect repellency. Among these, mosquito-repellent textiles primarily function to repel mosquitoes. As the weather warms, mosquito activity increases, causing considerable annoyance. Mosquitoes not only disrupt people's lives but also spread diseases, causing disturbances. Existing methods for mosquito repelling textiles are numerous, including dyeing and finishing processes, and spinning methods. These methods vary in composition, effectiveness, duration of action, and environmental friendliness, resulting in inconsistent mosquito-repellent effects.

[0003] Immonin (also known as DEET) is a broad-spectrum, highly effective insect repellent, effective against flies and mosquitoes. It boasts significant advantages such as lower toxicity, less irritation, and longer-lasting repellency, and can be formulated into solutions, emulsions, ointments, aerosols, mosquito coils, and microcapsules. However, the mosquito-repellent effect of immonin-treated textiles only lasts 4-8 hours. Therefore, finding ways to permanently fix immonin and other mosquito repellents onto textiles without compromising user experience has become a key research direction in textile mosquito-repellent technology. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this invention is to provide a mosquito-repellent textile and its production method. The mosquito-repellent textile produced by this invention has a long-lasting mosquito-repellent effect and a good comfort experience.

[0005] This invention provides a method for producing mosquito-repellent textiles, comprising the following steps:

[0006] (1) Using a fabric containing chemical fibers as a base material, coating one surface of the base material with an emulsion containing mosquito repellent, and then drying; the emulsion containing mosquito repellent comprises the following components in parts by weight:

[0007] 100 parts mosquito repellent microcapsules; 20-50 parts mosquito repellent plant essential oil microcapsules; 1-5 parts silica aerogel microparticles; 2-10 parts water-based film-forming agent; 0.5-2 parts thickener; 0-15 parts water;

[0008] (2) The product dried in step (1) is subjected to ultrasonic bonding and embossing, so that a microporous membrane is bonded to the surface coated with emulsion to obtain mosquito repellent textiles.

[0009] Preferably, the chemical fiber material in the substrate is one or more of polyester, nylon, polyethylene, polylactic acid and polypropylene; the substrate also contains cellulose fibers.

[0010] Preferably, the coating is performed by roller coating, using a coating roller with a mesh size of 80-120; the coating amount is 4-10 g / m². 2 .

[0011] Preferably, the active ingredient in the mosquito repellent microcapsules is IR3535; the mosquito repellent plant essential oil microcapsules contain one or more of aloe vera essential oil, eucalyptus essential oil and neem essential oil.

[0012] Preferably, the emulsion containing mosquito repellent has a solid content of 20% to 40% and a viscosity of 80-120 dPa.s at room temperature.

[0013] Preferably, the drying temperature is 100-130℃ and the drying time is 2-10 minutes.

[0014] Preferably, the ultrasonically bonded embossed pattern is a non-solid closed-loop pattern with gaps between the patterns.

[0015] Preferably, the ultrasonic bonding embossing vibration frequency is 20-30kHz and the vehicle speed is 4-6m / min.

[0016] Preferably, the microporous membrane has an average pore size 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 polyether microporous membrane.

[0017] Preferably, the coating method can be roller coating or blade coating.

[0018] Furthermore, the present invention provides mosquito-repellent textiles obtained according to the production method described above.

[0019] Compared with existing technologies, this invention uses a certain proportion of IR3535 and natural mosquito-repellent plant essential oils as mosquito-repellent adjuvants, applying the active ingredients to the surface of fabrics and other textiles through a coating process. The natural mosquito-repellent plant essential oils synergistically enhance the mosquito-repellent effect, while the antibacterial components in the plants inhibit bacterial growth on the textiles. The addition of silica aerogel particles absorbs odors from the emulsion, improving the smell of the mosquito-repellent emulsion and reducing discomfort from the textiles. Although the mosquito repellent is adhered to the textile, it dissipates quickly upon prolonged exposure to air. This invention further employs ultrasonic bonding technology to attach a breathable and waterproof microporous membrane to the reverse side of the textile, creating a relatively enclosed space. This restricts the volatility of the mosquito repellent and other adjuvants, thus extending the mosquito-repellent time. Experiments show that the mosquito-repellent textiles obtained by this invention have a long-lasting mosquito-repellent effect and provide a comfortable experience.

[0020] Furthermore, this invention employs ultrasonic bonding technology, which firstly reduces the damage to microporous membranes caused by traditional needle and thread bonding; secondly, ultrasonic bonding enables continuous point-like adhesion, reducing the channels in enclosed spaces; and thirdly, point-like adhesion can create patterns on the surface of textiles, enhancing their aesthetic appeal. Different colored microporous membranes can form colorful patterns, adding a playful touch to textiles. This product can be used in tents, floor mats, strollers, and mattresses, demonstrating good practicality. Detailed Implementation

[0021] The technical solutions in the embodiments of this application are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0022] This invention provides a method for producing mosquito-repellent textiles, comprising the following steps:

[0023] (1) Using a fabric containing chemical fibers as a base material, coating one surface of the base material with an emulsion containing mosquito repellent, and then drying; the emulsion containing mosquito repellent comprises the following components in parts by weight:

[0024] 100 parts mosquito repellent microcapsules; 20-50 parts mosquito repellent plant essential oil microcapsules; 1-5 parts silica aerogel; 2-10 parts water-based film-forming agent; 0.5-2 parts thickener; 0-15 parts water;

[0025] (2) The product dried in step (1) is subjected to ultrasonic bonding and embossing, so that a microporous membrane is bonded to the surface coated with emulsion to obtain mosquito repellent textiles.

[0026] The production method provided by this invention yields mosquito-repellent textiles with a good user experience, mainly used to solve the problem of the lack of long-lasting mosquito-repellent effect in existing textiles.

[0027] In this embodiment of the invention, a fabric containing synthetic fibers is selected as the base material; the synthetic 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 fabric's moisture absorption and breathability. Modal and Tencel are both regenerated cellulose fibers, and are different trade names. This invention does not impose special restrictions on the fabric structure, specifications, etc., of the base material, with a weight range of 40-100 gsm.

[0028] In some embodiments of the present invention, a polyester-cotton woven fabric pretreatment fabric can be selected, with fabric specifications of 40S*40S130*90, warp and weft yarn count of 40S, warp yarn density of 130 ends / inch, weft yarn density of 90 ends / inch, and composition mass ratio of 70% polyester and 30% cotton.

[0029] This invention provides an embodiment for preparing an emulsion containing mosquito repellent: A certain proportion of silica aerogel microparticles are poured into water and fully dispersed. Then, mosquito repellent microcapsule emulsion, mosquito repellent plant essential oil microcapsule emulsion, and an aqueous film-forming agent are added and stirred until homogeneous. A thickener is then added and stirred, adjusting 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 aerogel microparticle emulsion into a mixing tank containing water and stirring at 900 rpm for 13 minutes; then adding the mosquito repellent microcapsule emulsion and the mosquito repellent plant essential oil microcapsule emulsion to the mixing tank and stirring until homogeneous; then adding the thickener while stirring until the consistency is suitable, obtaining a mixed slurry; adjusting the pH of the mixture with acetic acid; finally, filtering the mixed slurry through an 80-120 mesh filter for later use.

[0030] The above-mentioned raw materials can be formulated as an emulsion formed by uniformly dispersing microcapsules in water. The active ingredient of the mosquito repellent microcapsule emulsion is IR3535, such as commercially available Imonin. The microcapsule wall material structure includes silica, melamine resin, etc., with an emulsion solid content of 35-45% (solid content is the mass ratio of microcapsules to water) and a particle size of 2-20 micrometers. The active ingredient of the mosquito repellent plant essential oil microcapsule emulsion is natural plant essential oil microcapsules with mosquito repellent effects, such as eucalyptus oil, neem oil, and aloe vera oil, with an emulsion solid content of 35-45% and a particle size of 1.8-2.3 micrometers. The microcapsule wall material structure includes polyacrylamide, melamine resin, etc. The active ingredient of the silica aerogel microparticle emulsion is silica aerogel particles, which have a porous structure and can absorb odors in the emulsion, with a particle size of 1-5 micrometers and an emulsion solid content of 10-20%.

[0031] Furthermore, the 2-10 parts of the aqueous film-forming agent are preferably 5-10 parts by weight, and its active ingredient is an aqueous acrylic resin, such as anionic acrylic resin emulsion. The thickener is preferably an ethyl hydroxyethyl cellulose component, such as Zhonglianbang thickener C-294, with a weight of 0.5-2 parts; the mixed emulsion also contains 0-15 parts of water.

[0032] Preferably, the emulsion containing mosquito repellent has a solid content of 20% to 40% by weight and a viscosity of 80-120 dPa.s at room temperature, preferably 90-100 dPa.s.

[0033] After obtaining the slurry containing mosquito repellent, the present invention applies a coating to one surface of the substrate, which can be done by roller coating or scraping, and then drying to obtain the treated substrate.

[0034] Some embodiments of this application use roller coating equipment for coating (finishing), and the coating roller used in the roller coating is preferably 80-120 mesh, such as 100 mesh (the higher the mesh number of the coating roller, the greater the coating amount). For example, the coating amount is preferably 4-10 g / m². 2 Furthermore, the drying temperature is preferably 100-130℃, and the time can be 2-10 minutes. Preferably, the coating method can be blade coating or roller coating; blade coating is used for fabrics with a large coating amount, such as 10g / m². 2 .

[0035] In this embodiment of the invention, the dried product is ultrasonically bonded and embossed, and then a microporous membrane and a thin fabric are bonded to the surface coated with emulsion to obtain mosquito-repellent textiles.

[0036] The working principle of ultrasonic bonding embossing is as follows: high-frequency oscillation (20,000 cycles per second) is used to transmit sound waves to the plastic welding surface through the welding head, instantly causing friction between the plastic molecules, reaching the plastic's melting point, and rapidly dissolving it, thus completing the bonding. Under the vibration and heating of the ultrasonic welding head, the microporous membrane and thin fabric described in this embodiment of the invention melt and adhere to the fabric, forming a protective layer that covers the base fabric printed with mosquito repellent. In this embodiment of the invention, the ultrasonic bonding embossing pattern is a non-solid closed-loop pattern, such as a circle, triangle, trapezoid, star, etc., with gaps between the patterns; the microporous membrane covers 100% of the reverse side of the textile, and the different bonding patterns are discontinuous.

[0037] In embodiments of the present invention, the microporous membrane is selected as a thin film with a microporous structure, which is waterproof and moisture-permeable. The micropores ensure that the mosquito-repellent finishing agent can evaporate while preventing water penetration. Preferably, the average pore size of the microporous membrane is 0.3-0.5 nm, and the thickness is 0.3-0.5 μm. The microporous membrane can be a thermoplastic polyurethane (TPU) microporous membrane, a polytetrafluoroethylene microporous membrane, or a hot melt film such as a polyester microporous membrane or a polyether microporous membrane; it can be plain or printed. Specifically, the microporous membrane is a microporous PU membrane with a density of 1.1 g / cm³. 3 The membrane exhibits a tensile strength ≥30 MPa, tear strength ≥80 KN / m, elongation ≥800%, and melting point of 130-140℃. Preferably, a lightweight fabric can be simultaneously ultrasonically bonded to the outside of the waterproof and breathable microporous membrane to enhance its protection. Preferably, the lightweight fabric can be a 35-50 gsm woven fabric, polyester, or nylon, such as 20D*20D or 38 gsm nylon woven fabric.

[0038] In embodiments of the present invention, the ultrasonic bonding embossing process is performed on an ultrasonic bonding machine, for example, by quilting the reverse side of the fabric on an ultrasonic quilting machine; the vibration frequency of the ultrasonic bonding embossing is preferably 20-30kHz, and the machine 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. This embodiment of the present invention utilizes the ultrasonic bonding embossing process to bond a microporous membrane with a microporous structure to the fabric; after the back of the fabric is covered with a microporous membrane, the volatility of mosquito repellent and other additives is limited, thereby extending the mosquito repellency time.

[0039] The present invention provides a mosquito-repellent textile obtained according to the production method described above, that is, a textile obtained by coating a mosquito-repellent finishing agent (mosquito repellent, etc.) with a substrate (fabric) containing at least one chemical fiber component, drying, and ultrasonically bonding a microporous film, which has a long-lasting mosquito-repellent effect.

[0040] In addition, the surface of the mosquito-repellent textiles can have various colorful patterns or solid colors of different colors, with a pleasant scent, enhancing aesthetics and comfort. They can be used in products such as tents, floor mats, strollers, and mattresses, and have good application prospects.

[0041] To better understand the technical content of this invention, specific embodiments are provided below to further illustrate the invention. Before further describing the specific embodiments of this invention, it should be understood that the scope of protection of this invention is not limited to the specific embodiments described below; it should also be understood that the terminology used in the embodiments of this invention is for describing specific embodiments and not for limiting the scope of protection of this invention. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.

[0042] In the following examples, the emulsion containing mosquito repellent was prepared as follows: Silica aerogel microparticle emulsion was poured into a mixing tank containing water and stirred at 900 rpm for 13 minutes. Then, mosquito repellent microcapsules and mosquito-repellent plant microcapsules were added to the mixing tank and stirred until homogeneous. A thickener was added while stirring until a suitable consistency was obtained, resulting in a mixed slurry. The pH of the mixture was then adjusted with acetic acid. Finally, the mixed slurry was filtered through an 80-120 mesh filter and set aside for use. Its solid content was 20%–40%, and its viscosity at room temperature was 80-120 dPa·s.

[0043] The repellent ester uses HAB insect-repellent finishing agent from Gusang Chemical, with an emulsion solids content of 35-45% and a particle size of 2-20 micrometers. The mosquito-repellent plant essential oil microcapsules use aloe vera essential oil microcapsules containing more than 30% aloe-emodin or eucalyptus oil microcapsules containing 24.7% eucalyptol and 26.3% guaiacol, with an emulsion solids content of 35-45% and a particle size of 1.8-2.3 micrometers. The silica aerogel microparticles use SiO2 aerogel emulsion from Jiangsu Anjia New Materials, with a particle size of 1-5 micrometers and an emulsion solids content of 10-20%. The active ingredient in the aqueous film-forming agent is hydroxymethylacrylamide or glycidyl acrylate, such as 2,3-epoxypropyl acrylate. The thickener is ethyl hydroxyethyl cellulose, such as Zhonglianbang thickener C-294.

[0044] Example 1

[0045] The pre-treatment fabric is made of polyester-cotton blend, with a yarn specification of 40S*40S 130*90 130gsm and a composition of 30% cotton and 70% polyester.

[0046] After pretreatment, an emulsion containing mosquito repellent is roller-coated. The emulsion containing mosquito repellent (solid content 25%, room temperature viscosity 110 dPa.s) comprises: 100 parts commercially available DEET emulsion, 50 parts aloe vera essential oil microcapsules, 5 parts silica aerogel particles, 10 parts aqueous film-forming agent, 0.5 parts thickener, and 2 parts water, with a pH of 6. After thorough mixing, it is roller-coated onto the fabric at a coating weight of 5 g / m². 2 Dry at 120℃.

[0047] The dried product is ultrasonically bonded and embossed to bond a microporous membrane to the surface coated with emulsion, and then a 38gsm polyester fabric is bonded to the outside of the microporous membrane to obtain a mosquito-repellent textile.

[0048] The selected material is a circular colored TPU film with a pore size of 0.4 nm, a thickness of 0.4 micrometers, and a density of 1.1 g / cm³. 3 The fabric has a tensile strength of 30 MPa, a tear strength of 80 KN / m, an elongation of 800%, and a melting point of 130℃. The reverse side of the fabric is quilted on an ultrasonic quilting machine. The quilting pattern diameter is 5 cm, the quilting dot diameter is 2 mm, and the spacing is 2 cm. The TPU coverage on the reverse side is 100%. The ultrasonic vibration frequency is 20 kHz, and the machine speed is 4 m / min.

[0049] Example 2

[0050] The pre-treatment fabric is a polyester-viscose woven fabric with a specification of 50gsm and a composition of 80% polyester and 20% viscose.

[0051] After pretreatment, an emulsion containing mosquito repellent is sprayed on. The emulsion containing mosquito repellent (solid content 30%, room temperature viscosity 90 dPa.s) comprises: 100 parts IR3535 emulsion, 20 parts Nim essential oil microcapsules, 1 part silica aerogel particles, 2 parts aqueous film-forming agent, 0.5 parts thickener, and 2 parts water, with a pH of 6. After thorough mixing, it is applied to the fabric at a coating weight of 10 g / m². 2 Dry at 130℃.

[0052] The dried product is ultrasonically bonded and embossed, and then bonded with a microporous membrane coated with emulsion and 40gsm nylon fabric to obtain mosquito-repellent textiles.

[0053] The selected membrane is a polytetrafluoroethylene microporous membrane with a pore size of 0.5 nm, a thickness of 0.5 μm, and a density of 1.2 g / cm³. 3 The fabric has a tensile strength of 40 MPa, a tear strength of 80 KN / m, an elongation of 900%, and a melting point of 130℃. The reverse side of the fabric is quilted on an ultrasonic quilting machine. The quilting pattern diameter is 3 cm, the quilting point diameter is 2 mm, and the spacing is 1.5 cm. The ultrasonic vibration frequency is 30 kHz, and the machine speed is 4 m / min.

[0054] Comparative Example 1

[0055] The pre-treatment fabric is a polyester-viscose woven fabric with a specification of 50gsm and a composition of 80% polyester and 20% viscose.

[0056] After pretreatment, an emulsion containing mosquito repellent is sprayed on. The emulsion containing mosquito repellent (solid content 30%, room temperature viscosity 90 dPa.s) comprises: 100 parts IR3535 emulsion, 2 parts aqueous film-forming agent, 0.5 parts thickener, and 2 parts water, with a pH of 6. After thorough mixing, it is applied to the fabric at a coating weight of 10 g / m². 2 Dry at 130℃.

[0057] The dried product is then subjected to ultrasonic bonding and embossing, followed by bonding a microporous membrane and 40gsm nylon fabric to an emulsion-coated surface to obtain mosquito-repellent textiles.

[0058] The selected membrane is a polytetrafluoroethylene microporous membrane with a pore size of 0.5 nm, a thickness of 0.5 μm, and a density of 1.2 g / cm³. 3 The fabric has a tensile strength of 40 MPa, a tear strength of 80 KN / m, an elongation of 900%, and a melting point of 130℃. The reverse side of the fabric is quilted on an ultrasonic quilting machine. The quilting pattern diameter is 3 cm, the quilting point diameter is 2 mm, and the spacing is 1.5 cm. The ultrasonic vibration frequency is 30 kHz, and the machine speed is 4 m / min.

[0059] Comparative Example 2

[0060] The pre-treatment fabric is a polyester-viscose woven fabric with a specification of 50gsm and a composition of 80% polyester and 20% viscose.

[0061] After pretreatment, a mosquito repellent-containing emulsion is sprayed on. The mosquito repellent-containing emulsion comprises: 100 parts IR3535 emulsion, 20 parts Nim essential oil microcapsules, 1 part silica aerogel particles, 2 parts aqueous film-forming agent, 0.5 parts thickener, and 2 parts water, with a pH of 6. After thorough mixing, it is applied to the fabric at a coating weight of 10 g / m². 2 Dry at 130℃.

[0062] Comparative Example 3

[0063] The pre-treatment fabric is a polyester-viscose woven fabric with a specification of 50gsm and a composition of 80% polyester and 20% viscose.

[0064] After pretreatment, an emulsion containing mosquito repellent is sprayed on. The emulsion containing mosquito repellent (solid content 30%, room temperature viscosity 90 dPa.s) comprises: 20 parts Nim essential oil microcapsules, 1 part silica aerogel particles, 2 parts aqueous film-forming agent, 0.5 parts thickener, and 2 parts water, with a pH of 6. After thorough mixing, it is applied to the fabric at a coating weight of 10 g / m². 2 Dry at 130℃.

[0065] The dried product is ultrasonically bonded and embossed, and then bonded with a microporous membrane coated with emulsion and 40gsm nylon fabric to obtain mosquito-repellent textiles.

[0066] The selected membrane is a polytetrafluoroethylene microporous membrane with a pore size of 0.5 nm, a thickness of 0.5 μm, and a density of 1.2 g / cm³. 3 The fabric has a tensile strength of 40 MPa, a tear strength of 80 KN / m, an elongation of 900%, and a melting point of 130℃. The reverse side of the fabric is quilted on an ultrasonic quilting machine. The quilting pattern diameter is 3 cm, the quilting point diameter is 2 mm, and the spacing is 1.5 cm. The ultrasonic vibration frequency is 30 kHz, and the machine speed is 4 m / min.

[0067] The mosquito-repellent performance of textiles was tested according to GB / T 30126-2013 "Test and Evaluation of Mosquito Repellent Performance of Textiles". 30%-50% is Grade C, with a repellent effect; 50%-70% is Grade B, with a good repellent effect; >70% is Grade A, with an extremely strong repellent effect.

[0068] Odor of textiles was tested according to the "GB 18401-2010 National Basic Safety Technical Specifications for Textile Products".

[0069] According to ISO 0811:2018, the hydrostatic pressure after 5 washes is measured in mmH2O. The higher the value, the better the waterproofing. A value greater than 3000 mmH2O indicates a waterproofing effect.

[0070] According to JIS L1099:B-1:2012, the moisture permeability of the fabric is tested, and the higher the value, the better the moisture permeability.

[0071] The results are as follows:

[0072] Table 1 shows the performance results of the textile samples from the examples.

[0073]

[0074] In Example 2, the number of mosquitoes landing in the test group was 3, while the number of mosquitoes landing in the control group (untreated fabric of the same type) was 106. Therefore, the repellency rate of the sample was 97.17% (before washing). After machine washing the sample 10 times according to the standard method, the number of mosquitoes landing in the test group was 57, while the number of mosquitoes landing in the control group (untreated fabric of the same type) was 102. Therefore, the repellency rate of the sample after machine washing 10 times was 44.12%.

[0075] According to standard evaluation, the textiles in this embodiment have a relatively long-lasting mosquito-repellent effect. Furthermore, the mosquito-repellent textiles in this embodiment are odorless and provide a comfortable experience.

[0076] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0077] When numerical ranges are given in the embodiments, 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 may be selected. Unless otherwise defined, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art. In addition to the specific methods, apparatus, and materials used in the embodiments, based on the knowledge of the prior art possessed by one of ordinary skill in the art and the description of this invention, any prior art methods, apparatus, and materials similar to or equivalent to those described, apparatus, and materials in the embodiments of this invention may be used to implement the present invention.

[0078] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be noted that due to the limitations of textual expression, while there are objectively infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the inventive concept and technical solution to other situations without modification, should all be considered within the scope of protection of the present invention.

Claims

1. A method of producing a mosquito repellent textile, characterized by, The method comprises the following steps: (1) taking a fabric containing chemical fibers as a substrate, coating an emulsion containing mosquito repellent on one surface of the substrate, and drying; the chemical fiber in the substrate is one or more of polyester, nylon, polyethylene, polylactic acid, and polypropylene; the substrate further contains cellulose fibers; the substrate has a grammage ranging from 40 to 100 gsm; the emulsion containing mosquito repellent comprises the following components by weight: 100 parts of mosquito repellent microcapsules; 20-50 parts of mosquito repellent plant oil microcapsules; 1-5 parts of silica aerogel; 2-10 parts of water-based film-forming agent; 0.5-2 parts of thickening agent; 0-15 parts of water; the effective component of the mosquito repellent microcapsules is mosquito repellent ester; the mosquito repellent plant oil microcapsules contain one or more of aloe vera oil, eucalyptus oil, and neem tree oil; (2) performing ultrasonic bonding embossing on the product dried in step (1), the pattern of the ultrasonic bonding embossing is a non-solid closed loop pattern with gaps between patterns, so that the surface coated with the emulsion is bonded with a microporous membrane, the microporous membrane is a polyurethane microporous membrane, a polytetrafluoroethylene microporous membrane, a polyester microporous membrane, or a polyether microporous membrane, to obtain a mosquito repellent textile.

2. The method of producing a mosquito repellent textile according to claim 1, wherein, The coating is by roller coating, the coating roller used has a mesh number of 80-120, and the coating amount is 4-10 g / m 2 .

3. The method of claim 1, wherein the mosquito repellent textile is produced by a process comprising: The emulsion containing mosquito repellent has a solid content of 20%-40% and a room temperature viscosity of 80-120 dPa.s.

4. The method of claim 1, wherein the mosquito repellent textile is produced by a process comprising: The drying temperature is 100-130°C, and the time is 2-10 min.

5. The method of claim 1, wherein the mosquito repellent textile is produced by a process comprising: The ultrasonic bonding embossing has a vibration frequency of 20-30 kHz and a vehicle speed of 4-6 m / min.

6. The method of claim 1, wherein the mosquito repellent textile is produced by a process comprising: The microporous membrane has an average pore size of 0.3-0.5 nm and a thickness of 0.3-0.5 μm.

7. The mosquito repellent textile obtained by the production method according to any one of claims 1-6.

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