Antibacterial anti-mite fabric and preparation process thereof

Abstract

The antibacterial and anti-mite fabric comprises a surface layer, an interlayer and a bottom layer which are sequentially arranged from top to bottom, the surface layer is arranged to be a fabric layer with antibacterial and anti-mite effects, the interlayer is formed by weaving polyester yarns, and the bottom layer is formed by weaving spandex coated yarns; the mass percent of the surface layer is 30-50%, the mass percent of the interlayer is 20-50%, and the mass percent of the bottom layer is 20-30%. The invention also discloses a preparation process of the antibacterial anti-mite fabric. The preparation process comprises the following steps: S1, preparing the surface layer; s2, interlayer preparation; s3, preparing a bottom layer; s4, compounding for the first time; s5, carrying out after-finishing; s6, compounding for the second time; s7, performing inspection; and S8, rolling and packaging. The surface layer is made of the fabric layer with the antibacterial and anti-mite effects, so that the fabric has the excellent antibacterial and anti-mite effects, the interlayer formed by weaving the polyester yarns can play a role in supporting the fabric and increasing the thickness of the fabric, and the bottom layer formed by weaving the spandex coated yarns can provide elasticity for the fabric and improve the wearing comfort.

Description

Technical Field

[0001] The invention belongs to the technical field of textiles, and in particular relates to an antibacterial and anti-mite fabric and a preparation process thereof. Background Art

[0002] With the improvement of people's living standards, people are not only satisfied with the basic requirements of beauty, comfort, warmth, etc. for clothing, but also pursue the antibacterial properties of clothing. Therefore, in the textile industry, antibacterial textile fabrics are more and more widely used to make clothes. Fabrics are divided into two categories according to the weaving method: weft knitted fabrics and warp knitted fabrics. Weft knitted fabrics are often made of low-elastic polyester yarn or special-shaped polyester yarn, nylon yarn, cotton yarn, wool yarn, etc. as raw materials, using plain needle organization, variable plain needle organization, rib plain needle organization, double rib plain needle organization, jacquard organization, terry organization, etc., and are woven on various weft knitting machines.

[0003] However, there are still some problems with common woven fabrics and their preparation processes: 1. Poor antibacterial effect: Due to the inappropriate type and amount of antibacterial agents added, the antibacterial effect is unstable; 2. Weak anti-mite ability: Some fabrics only rely on physical methods to prevent mites, and the effect is limited; 3. Poor durability: After long-term washing, the antibacterial and anti-mite effect is significantly reduced; 4. Low comfort: After adding antibacterial agents, some fabrics feel hard and uncomfortable to wear. For this reason, we propose an antibacterial and anti-mite fabric and its preparation process. Summary of the invention

[0004] The object of the present invention is to provide an antibacterial and anti-mite fabric and a preparation process thereof to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an antibacterial and anti-mite fabric, comprising a surface layer, an interlayer and a bottom layer arranged in sequence from top to bottom, the surface layer is configured as a fabric layer with antibacterial and anti-mite effects, the interlayer is woven from polyester yarns, and the bottom layer is woven from spandex coated yarns; the mass percentages of the surface layer, the interlayer and the bottom layer are: 30-50% for the surface layer, 20-50% for the interlayer, and 20-30% for the bottom layer.

[0006] Preferably, the fabric layer with antibacterial and anti-mite effects is woven from one of ultra-high molecular weight polyethylene yarn, medium molecular weight polyethylene yarn, regenerated cellulose fiber, plant fiber polyester yarn, polyester yarn, elastic fiber, nylon, copper ion modified polyester, and bamboo charcoal modified polyester. The regenerated cellulose fiber includes one of bamboo pulp fiber, lyocell fiber, and viscose fiber, and the plant fiber polyester yarn includes one of cotton and linen.

[0007] A preparation process of an antibacterial and anti-mite fabric comprises the following steps: S1. Preparation of the surface layer: selecting fibers with antibacterial and anti-mite effects, spinning the antibacterial fibers into yarns through a spinning process, and then weaving the antibacterial yarns into surface fabrics through a weaving process; S2. Interlayer preparation: polyester yarn is selected and made into interlayer fabric through weaving process; S3. Preparation of the bottom layer: spandex coated yarn is selected and made into the bottom layer fabric through a weaving process; S4. First lamination: 30-50% of the surface layer, 20-50% of the interlayer, and 20-30% of the bottom layer are combined together by hot melt bonding or other lamination processes to obtain a composite fabric; S5. Finishing: Antibacterial and anti-mite finishing, PCM phase change material temperature adjustment, anti-yellowing treatment, and cool finishing are performed on the composite fabric to improve its antibacterial, anti-mite and anti-yellowing effects; S6. Second lamination: Laminating the finished composite fabric with a TPU waterproof film to obtain a waterproof function, and then laminating the flame-retardant viscose needle-punched cotton to obtain a flame-retardant function; S7. Inspection: Test the antibacterial rate, anti-mite effect, breathability, waterproofness and flame retardancy of the fabric to ensure compliance with the standards; S8. Rolling and packaging: After passing the inspection, the finished fabrics are rolled and packaged.

[0008] Preferably, the step S1 also includes S0 fiber pretreatment, and the fiber pretreatment includes the following steps: S001. Raw material preparation: take fibers with antibacterial and anti-mite effects, polyester yarns and spandex coated yarns as fiber raw materials; S002. Opening: The fiber raw materials are opened by the carding machine to remove large impurities and lumps, making the fibers loose; S003. Impurity removal: Use a wind separator to remove impurities in the fiber, such as small stones, iron filings and other non-fiber materials; S004. Degreasing: Add chemical agents into the degreasing tank and perform scouring at an appropriate temperature to remove natural oils and waxes on the fiber surface, improve the fiber's spinnability and subsequent dyeing uniformity; S005. Bleaching: Add bleaching agent into the bleaching tank and process under appropriate conditions to remove the pigment in the fiber and improve the whiteness of the fiber; S006. Washing: After degreasing and bleaching, wash with multiple levels of clean water until the water is clear and foam-free, thoroughly clean the fibers and remove any residual chemicals; S007. Drying: The cleaned fiber is dried in a dryer to remove moisture and dry the fiber to a moisture content of less than 10%.

[0009] Preferably, the chemical agent in S004 includes one of caustic soda, soap and surfactant, wherein the treatment under appropriate conditions is: adding the chemical agent to the degreasing tank, adjusting the pH value to 10-12, soaking the fiber in the chemical agent, heating to 80-90°C, maintaining for 20-40 minutes, and stirring evenly at 200-400r / min.

[0010] Preferably, the bleaching agent in S005 includes one of sodium hypochlorite and hydrogen peroxide, wherein the treatment under appropriate conditions is: adding the bleaching agent to the bleaching tank, adjusting the pH value to 6.5-7.5, soaking the degreased fiber in the bleaching solution, heating to 60-70° C., and maintaining for 20-40 minutes.

[0011] Preferably, the antibacterial and anti-mite finishing in S5 specifically comprises the following steps: S501. Prepare an antibacterial and anti-mite agent solution: prepare a corresponding solution according to the desired concentration of the antibacterial and anti-mite agent; S502. Immersion treatment: Immerse the fabric in the prepared antibacterial and anti-mite agent solution. Depending on the properties of the antibacterial and anti-mite agent and the characteristics of the fabric, the immersion time is 10-30 minutes and the temperature is 20-60°C; S503. Curing treatment: After impregnation, the fabric is taken out and subjected to a curing process by heating at a temperature between 100-150°C for 5-15 minutes to better combine the antibacterial and anti-mite agent with the fiber; S504. Cleaning: After the curing process is completed, the fabric is cleaned to remove excess antibacterial and anti-mite agents and other impurities; S505. Drying: After cleaning, hang the fabric to dry or use a dryer to dry it.

[0012] Preferably, the specific steps of preparing the antibacterial and anti-mite agent solution include: S5011. Select fresh roses, wormwood, sweet olive, mosquito repellent grass and mint leaves free of pests and diseases and clean them using cleaning equipment; S5012. The cleaned roses, wormwood, sweet olive, mosquito repellent grass and mint leaves are placed in a drying device for drying, and the drying temperature is controlled to be 90-130°C. After drying, take out and place in a cool place; S5013. The dried roses, wormwood, sweet olive, mosquito repellent grass and mint leaves in S5012 are sequentially put into the grinding equipment, the grinding equipment speed is adjusted to 100-200r / min, and the grinding is continued for 6-8min. After the raw material powder is obtained after the grinding is fully removed; S5014. Put the raw material powder prepared in S5013 and deionized water in a weight ratio of 2:10 into a reactor for thorough mixing and reaction, control the temperature of the reactor at 60-90°C, and after sufficient reaction, move to a vacuum distillation kettle, and the obtained distillate is the antibacterial and anti-mite agent solution.

[0013] Preferably, the specific steps of compounding the TPU waterproof membrane in S6 are: S601. Preparation: Prepare the fabric and TPU waterproof membrane, and ensure the fabric surface is clean; S602. Hot melt adhesive lamination: Apply hot melt adhesive evenly on the fabric, cover the TPU film on the fabric coated with hot melt adhesive, melt the hot melt adhesive by heating, control the temperature between 100-150°C, and keep it for 1-5 minutes to ensure full melting and bonding; S603. Curing treatment: After the lamination is completed, let the fabric cure at a temperature of 80-100°C for 5-10 minutes to ensure that the TPU film is tightly bonded to the fabric; S604. Cooling: Allow the fabric to slowly cool to room temperature; S605. Post-processing: Soften the composite fabric to improve the feel and comfort of the fabric.

[0014] Preferably, the step of compounding the flame-retardant viscose needle-punched cotton in S6 is the same as the step of compounding the TPU waterproof film in S6.

[0015] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention adopts a fabric layer with antibacterial and anti-mite effect to prepare the surface layer, so that the fabric has excellent antibacterial and anti-mite effect. The interlayer woven with polyester yarn can support the fabric and increase the thickness of the fabric. The bottom layer woven with spandex coated yarn can provide elasticity to the fabric and increase the wearing comfort.

[0016] (2) The method of the present invention significantly improves the anti-mite ability of the fabric by combining physical and chemical methods. After being treated with an antibacterial and anti-mite finishing process, the antibacterial and anti-mite effect of the fabric is made more durable. Through other finishing processes, the fabric is made softer and more comfortable, suitable for close-fitting wear. In addition, through a second composite process, the fabric is composited with a TPU waterproof film and a flame-retardant viscose needle-punched cotton, which can increase the waterproof ability and flame-retardant properties of the fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 is a flow chart of the present invention; Figure numerals: 1, surface layer; 2, interlayer; 3, bottom layer. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0019] See also Figure 1-Figure 2 The present invention provides a technical solution: an antibacterial and anti-mite fabric, comprising a surface layer 1, an interlayer 2 and a bottom layer 3 arranged in sequence from top to bottom, the surface layer 1 is configured as a fabric layer with antibacterial and anti-mite effects, the interlayer 2 is woven from polyester yarns, and the bottom layer 3 is woven from spandex coated yarns; the mass percentages of the surface layer 1, the interlayer 2 and the bottom layer 3 are: 30% for the surface layer, 50% for the interlayer, and 20% for the bottom layer.

[0020] In this embodiment, preferably, the fabric layer with antibacterial and anti-mite effects is woven from ultra-high molecular weight polyethylene yarn.

[0021] A preparation process of an antibacterial and anti-mite fabric comprises the following steps: S1. Preparation of surface layer 1: Select fibers with antibacterial and anti-mite effects, spin the antibacterial fibers into yarns through a spinning process, and then weave the antibacterial yarns into surface layer 1 fabrics through a weaving process; S2. Preparation of interlayer 2: polyester yarn is selected and interlayer 2 fabric is made by weaving process; S3. Preparation of bottom layer 3: spandex coated yarn is selected and made into bottom layer 3 fabric by weaving process; S4. First composite: 30% of the surface layer 1, 50% of the interlayer 2, and 20% of the bottom layer 3 are combined together by hot melt bonding or other composite processes to obtain a composite fabric; S5. Finishing: Antibacterial and anti-mite finishing, PCM phase change material temperature adjustment, anti-yellowing treatment, and cool finishing are performed on the composite fabric to improve its antibacterial, anti-mite and anti-yellowing effects; S6. Second lamination: Laminating the finished composite fabric with a TPU waterproof film to obtain a waterproof function, and then laminating the flame-retardant viscose needle-punched cotton to obtain a flame-retardant function; S7. Inspection: Test the antibacterial rate, anti-mite effect, breathability, waterproofness and flame retardancy of the fabric to ensure compliance with the standards; S8. Rolling and packaging: After passing the inspection, the finished fabrics are rolled and packaged.

[0022] In this embodiment, preferably, before S1, S0 fiber pretreatment is also included, and the fiber pretreatment includes the following steps: S001. Raw material preparation: take fibers with antibacterial and anti-mite effects, polyester yarns and spandex coated yarns as fiber raw materials; S002. Opening: The fiber raw materials are opened by the carding machine to remove large impurities and lumps, making the fibers loose; S003. Impurity removal: Use a wind separator to remove impurities in the fiber, such as small stones, iron filings and other non-fiber materials; S004. Degreasing: Add chemical agents into the degreasing tank and perform scouring at an appropriate temperature to remove natural oils and waxes on the fiber surface, improve the fiber's spinnability and subsequent dyeing uniformity; S005. Bleaching: Add bleaching agent into the bleaching tank and process under appropriate conditions to remove the pigment in the fiber and improve the whiteness of the fiber; S006. Washing: After degreasing and bleaching, wash with multiple levels of clean water until the water is clear and foam-free, thoroughly clean the fibers and remove any residual chemicals; S007. Drying: The cleaned fiber is dried in a dryer to remove moisture and dry the fiber to a moisture content of less than 10%; Through the above steps, the purity of the fiber can be effectively improved, providing high-quality raw materials for subsequent spinning, weaving and other processes.

[0023] In this embodiment, preferably, the chemical agent in S004 includes caustic soda, wherein the treatment under appropriate conditions is: adding the chemical agent to the degreasing tank, adjusting the pH value to 10, soaking the fiber in the chemical agent, heating to 80°C, maintaining for 20 minutes, and stirring evenly at 200r / min.

[0024] In this embodiment, preferably, the bleaching agent in S005 includes sodium hypochlorite, wherein the treatment under appropriate conditions is: adding the bleaching agent to the bleaching tank, adjusting the pH value to 6.5, soaking the degreased fiber in the bleaching solution, heating to 60° C., and maintaining for 20 minutes.

[0025] In this embodiment, preferably, the antibacterial and anti-mite finishing in S5 specifically includes the following steps: S501. Prepare an antibacterial and anti-mite agent solution: prepare a corresponding solution according to the desired concentration of the antibacterial and anti-mite agent; S502. Immersion treatment: Immerse the fabric in the prepared antibacterial and anti-mite agent solution. According to the properties of the antibacterial and anti-mite agent and the characteristics of the fabric, the immersion time is 10 minutes and the temperature is 20°C; S503. Curing treatment: After impregnation, the fabric is taken out and subjected to a curing process by heating at a temperature between 100°C for 5 minutes to better combine the antibacterial and anti-mite agent with the fiber; S504. Cleaning: After the curing process is completed, the fabric is cleaned to remove excess antibacterial and anti-mite agents and other impurities; S505. Drying: After cleaning, hang the fabric to dry or use a dryer to dry it.

[0026] In this embodiment, preferably, the specific steps of preparing the antibacterial and anti-mite agent solution include: S5011. Select fresh roses, wormwood, sweet olive, mosquito repellent grass and mint leaves free of pests and diseases and clean them using cleaning equipment; S5012. Put the washed roses, wormwood, sweet olive, mosquito repellent grass and mint leaves into the drying equipment in turn for drying, control the drying equipment temperature to 90 ° C, and take out and place in a cool place after drying; S5013. The dried roses, wormwood, sweet olive, mosquito repellent grass and mint leaves in S5012 were sequentially put into the grinding equipment, the grinding equipment speed was adjusted to 100r / min, and the grinding was continued for 6min. After the raw material powder was fully removed after the grinding; S5014. Put the raw material powder prepared in S5013 and deionized water in a weight ratio of 2:10 into a reactor for thorough mixing and reaction. Control the temperature of the reactor at 60°C. After sufficient reaction, move the mixture into a vacuum distillation kettle. The obtained distillate is the antibacterial and anti-mite agent solution.

[0027] In this embodiment, preferably, the specific steps of compounding the TPU waterproof film in S6 are: S601. Preparation: Prepare the fabric and TPU waterproof membrane, and ensure the fabric surface is clean; S602. Hot melt adhesive lamination: Apply hot melt adhesive evenly on the fabric, cover the TPU film on the fabric coated with hot melt adhesive, melt the hot melt adhesive by heating, control the temperature between 100°C, and keep it for 1 minute to ensure full melting and bonding; S603. Curing treatment: After the lamination is completed, the fabric is cured at a temperature of 80°C for 5 minutes to ensure that the TPU film is tightly bonded to the fabric; S604. Cooling: Allow the fabric to slowly cool to room temperature; S605. Post-processing: Soften the composite fabric to improve the feel and comfort of the fabric.

[0028] In this embodiment, preferably, the step of compounding the flame-retardant viscose needle-punched cotton in S6 is the same as the step of compounding the TPU waterproof film in S6.

[0029] Example 2 See also Figure 1-Figure 2 The present invention provides a technical solution: an antibacterial and anti-mite fabric, comprising a surface layer 1, an interlayer 2 and a bottom layer 3 arranged in sequence from top to bottom, the surface layer 1 is configured as a fabric layer with antibacterial and anti-mite effects, the interlayer 2 is woven from polyester yarns, and the bottom layer 3 is woven from spandex coated yarns; the mass percentages of the surface layer 1, the interlayer 2 and the bottom layer 3 are: 50% for the surface layer, 20% for the interlayer, and 30% for the bottom layer.

[0030] In this embodiment, preferably, the fabric layer with antibacterial and anti-mite effects is woven from copper ion modified polyester.

[0031] A preparation process of an antibacterial and anti-mite fabric comprises the following steps: S1. Preparation of surface layer 1: Select fibers with antibacterial and anti-mite effects, spin the antibacterial fibers into yarns through a spinning process, and then weave the antibacterial yarns into surface layer 1 fabrics through a weaving process; S2. Preparation of interlayer 2: polyester yarn is selected and interlayer 2 fabric is made by weaving process; S3. Preparation of bottom layer 3: spandex coated yarn is selected and made into bottom layer 3 fabric by weaving process; S4. First composite: 50% of the surface layer 1, 20% of the interlayer 2, and 30% of the bottom layer 3 are combined together by hot melt bonding or other composite processes to obtain a composite fabric; S5. Finishing: Antibacterial and anti-mite finishing, PCM phase change material temperature adjustment, anti-yellowing treatment, and cool finishing are performed on the composite fabric to improve its antibacterial, anti-mite and anti-yellowing effects; S6. Second lamination: Laminating the finished composite fabric with a TPU waterproof film to obtain a waterproof function, and then laminating the flame-retardant viscose needle-punched cotton to obtain a flame-retardant function; S7. Inspection: Test the antibacterial rate, anti-mite effect, breathability, waterproofness and flame retardancy of the fabric to ensure compliance with the standards; S8. Rolling and packaging: After passing the inspection, the finished fabrics are rolled and packaged.

[0032] In this embodiment, preferably, before S1, S0 fiber pretreatment is also included, and the fiber pretreatment includes the following steps: S001. Raw material preparation: take fibers with antibacterial and anti-mite effects, polyester yarns and spandex coated yarns as fiber raw materials; S002. Opening: The fiber raw materials are opened by the carding machine to remove large impurities and lumps, making the fibers loose; S003. Impurity removal: Use a wind separator to remove impurities in the fiber, such as small stones, iron filings and other non-fiber materials; S004. Degreasing: Add chemical agents into the degreasing tank and perform scouring at an appropriate temperature to remove natural oils and waxes on the fiber surface, improve the fiber's spinnability and subsequent dyeing uniformity; S005. Bleaching: Add bleaching agent into the bleaching tank and process under appropriate conditions to remove the pigment in the fiber and improve the whiteness of the fiber; S006. Washing: After degreasing and bleaching, wash with multiple levels of clean water until the water is clear and foam-free, thoroughly clean the fibers and remove any residual chemicals; S007. Drying: The cleaned fiber is dried in a dryer to remove moisture and dry the fiber to a moisture content of less than 10%.

[0033] In this embodiment, preferably, the chemical agent in S004 includes soap, wherein the treatment under appropriate conditions is: adding the chemical agent to the degreasing tank, adjusting the pH value to 12, soaking the fiber in the chemical agent, heating to 90°C, keeping for 40 minutes, and stirring evenly at 400r / min.

[0034] In this embodiment, preferably, the bleaching agent in S005 includes hydrogen peroxide, wherein the treatment under appropriate conditions is: adding the bleaching agent to the bleaching tank, adjusting the pH value to 7.5, soaking the degreased fiber in the bleaching solution, heating to 70° C., and maintaining for 40 minutes.

[0035] In this embodiment, preferably, the antibacterial and anti-mite finishing in S5 specifically includes the following steps: S501. Prepare an antibacterial and anti-mite agent solution: prepare a corresponding solution according to the desired concentration of the antibacterial and anti-mite agent; S502. Immersion treatment: Immerse the fabric in the prepared antibacterial and anti-mite agent solution. According to the properties of the antibacterial and anti-mite agent and the characteristics of the fabric, the immersion time is 30 minutes and the temperature is 60°C; S503. Curing treatment: After impregnation, the fabric is taken out and subjected to a curing process by heating at a temperature between 150°C for 15 minutes to better combine the antibacterial and anti-mite agent with the fiber; S504. Cleaning: After the curing process is completed, the fabric is cleaned to remove excess antibacterial and anti-mite agents and other impurities; S505. Drying: After cleaning, hang the fabric to dry or use a dryer to dry it.

[0036] In this embodiment, preferably, the specific steps of preparing the antibacterial and anti-mite agent solution include: S5011. Select fresh roses, wormwood, sweet olive, mosquito repellent grass and mint leaves free of pests and diseases and clean them using cleaning equipment; S5012. The cleaned roses, wormwood, sweet olive, mosquito repellent grass and mint leaves are placed in a drying device for drying, and the drying temperature is controlled to 130 ° C. After drying, take out and place in a cool place; S5013. The dried roses, wormwood, sweet olive, mosquito repellent grass and mint leaves in S5012 were sequentially put into the grinding equipment, the grinding equipment speed was adjusted to 200r / min, and the grinding was continued for 8min. After the raw material powder was fully removed after the grinding was completed; S5014. Put the raw material powder prepared in S5013 and deionized water in a weight ratio of 2:10 into a reactor for thorough mixing and reaction. Control the temperature of the reactor at 90°C. After sufficient reaction, move the mixture into a vacuum distillation kettle. The obtained distillate is the antibacterial and anti-mite agent solution.

[0037] In this embodiment, preferably, the specific steps of compounding the TPU waterproof film in S6 are: S601. Preparation: Prepare the fabric and TPU waterproof membrane, and ensure the fabric surface is clean; S602. Hot melt adhesive lamination: Apply hot melt adhesive evenly on the fabric, cover the TPU film on the fabric coated with hot melt adhesive, melt the hot melt adhesive by heating, control the temperature between 150°C, and keep it for 5 minutes to ensure full melting and bonding; S603. Curing treatment: After the lamination is completed, the fabric is cured at a temperature of 100°C for 10 minutes to ensure that the TPU film is tightly bonded to the fabric; S604. Cooling: Allow the fabric to slowly cool to room temperature; S605. Post-processing: Soften the composite fabric to improve the feel and comfort of the fabric.

[0038] In this embodiment, preferably, the step of compounding the flame-retardant viscose needle-punched cotton in S6 is the same as the step of compounding the TPU waterproof film in S6.

[0039] Example 3 See also Figure 1-Figure 2 The present invention provides a technical solution: an antibacterial and anti-mite fabric, comprising a surface layer 1, an interlayer 2 and a bottom layer 3 arranged in sequence from top to bottom, the surface layer 1 is configured as a fabric layer with antibacterial and anti-mite effects, the interlayer 2 is woven from polyester yarns, and the bottom layer 3 is woven from spandex coated yarns; the mass percentages of the surface layer 1, the interlayer 2 and the bottom layer 3 are: 40% for the surface layer, 35% for the interlayer, and 25% for the bottom layer.

[0040] In this embodiment, preferably, the fabric layer with antibacterial and anti-mite effects is woven from plant fiber polyester yarns, and the plant fiber polyester yarns include cotton.

[0041] A preparation process of an antibacterial and anti-mite fabric comprises the following steps: S1. Preparation of surface layer 1: Select fibers with antibacterial and anti-mite effects, spin the antibacterial fibers into yarns through a spinning process, and then weave the antibacterial yarns into surface layer 1 fabrics through a weaving process; S2. Preparation of interlayer 2: polyester yarn is selected and interlayer 2 fabric is made by weaving process; S3. Preparation of bottom layer 3: spandex coated yarn is selected and made into bottom layer 3 fabric by weaving process; S4. First composite: 40% of the surface layer 1, 35% of the interlayer 2, and 25% of the bottom layer 3 are combined by hot melt bonding or other composite processes to obtain a composite fabric; S5. Finishing: Antibacterial and anti-mite finishing, PCM phase change material temperature adjustment, anti-yellowing treatment, and cool finishing are performed on the composite fabric to improve its antibacterial, anti-mite and anti-yellowing effects; S6. Second lamination: Laminating the finished composite fabric with a TPU waterproof film to obtain a waterproof function, and then laminating the flame-retardant viscose needle-punched cotton to obtain a flame-retardant function; S7. Inspection: Test the antibacterial rate, anti-mite effect, breathability, waterproofness and flame retardancy of the fabric to ensure compliance with the standards; S8. Rolling and packaging: After passing the inspection, the finished fabrics are rolled and packaged.

[0042] In this embodiment, preferably, before S1, S0 fiber pretreatment is also included, and the fiber pretreatment includes the following steps: S001. Raw material preparation: take fibers with antibacterial and anti-mite effects, polyester yarns and spandex coated yarns as fiber raw materials; S002. Opening: The fiber raw materials are opened by the carding machine to remove large impurities and lumps, making the fibers loose; S003. Impurity removal: Use a wind separator to remove impurities in the fiber, such as small stones, iron filings and other non-fiber materials; S004. Degreasing: Add chemical agents into the degreasing tank and perform scouring at an appropriate temperature to remove natural oils and waxes on the fiber surface, improve the fiber's spinnability and subsequent dyeing uniformity; S005. Bleaching: Add bleaching agent into the bleaching tank and process under appropriate conditions to remove the pigment in the fiber and improve the whiteness of the fiber; S006. Washing: After degreasing and bleaching, wash with multiple levels of clean water until the water is clear and foam-free, thoroughly clean the fibers and remove any residual chemicals; S007. Drying: The cleaned fiber is dried in a dryer to remove moisture and dry the fiber to a moisture content of less than 10%.

[0043] In this embodiment, preferably, the chemical agent in S004 includes caustic soda, wherein the treatment under appropriate conditions is: adding the chemical agent to the degreasing tank, adjusting the pH value to 11, soaking the fiber in the chemical agent, heating to 85°C, maintaining for 30 minutes, and stirring evenly at 300r / min.

[0044] In this embodiment, preferably, the bleaching agent in S005 includes sodium hypochlorite, wherein the treatment under appropriate conditions is: adding the bleaching agent to the bleaching tank, adjusting the pH value to 7, soaking the degreased fiber in the bleaching solution, heating to 65° C., and maintaining for 30 minutes.

[0045] In this embodiment, preferably, the antibacterial and anti-mite finishing in S5 specifically includes the following steps: S501. Prepare an antibacterial and anti-mite agent solution: prepare a corresponding solution according to the desired concentration of the antibacterial and anti-mite agent; S502. Immersion treatment: Immerse the fabric in the prepared antibacterial and anti-mite agent solution. According to the properties of the antibacterial and anti-mite agent and the characteristics of the fabric, the immersion time is 20 minutes and the temperature is 40°C; S503. Curing treatment: After impregnation, the fabric is taken out and subjected to a curing process by heating at a temperature between 130°C for 12 minutes to better combine the antibacterial and anti-mite agent with the fiber; S504. Cleaning: After the curing process is completed, the fabric is cleaned to remove excess antibacterial and anti-mite agents and other impurities; S505. Drying: After cleaning, hang the fabric to dry or use a dryer to dry it.

[0046] In this embodiment, preferably, the specific steps of preparing the antibacterial and anti-mite agent solution include: S5011. Select fresh roses, wormwood, sweet olive, mosquito repellent grass and mint leaves free of pests and diseases and clean them using cleaning equipment; S5012. The cleaned roses, wormwood, sweet olive, mosquito repellent grass and mint leaves are placed in a drying device for drying, and the drying temperature is controlled to 120°C. After drying, take out and place in a cool place; S5013. The dried roses, wormwood, sweet olive, mosquito repellent grass and mint leaves in S5012 were sequentially put into the grinding equipment, the grinding equipment speed was adjusted to 160r / min, and the grinding was continued for 7min. After the raw material powder was obtained after the grinding was fully removed; S5014. Put the raw material powder prepared in S5013 and deionized water in a weight ratio of 2:10 into a reactor for thorough mixing and reaction. Control the temperature of the reactor at 80°C. After sufficient reaction, move the mixture to a vacuum distillation kettle. The obtained distillate is the antibacterial and anti-mite agent solution.

[0047] In this embodiment, preferably, the specific steps of compounding the TPU waterproof film in S6 are: S601. Preparation: Prepare the fabric and TPU waterproof membrane, and ensure the fabric surface is clean; S602. Hot melt adhesive lamination: Apply hot melt adhesive evenly on the fabric, cover the TPU film on the fabric coated with hot melt adhesive, melt the hot melt adhesive by heating, control the temperature between 130°C, and keep it for 4 minutes to ensure full melting and bonding; S603. Curing treatment: After the lamination is completed, the fabric is cured at a temperature of 90°C for 8 minutes to ensure that the TPU film is tightly bonded to the fabric; S604. Cooling: Allow the fabric to slowly cool to room temperature; S605. Post-processing: Soften the composite fabric to improve the feel and comfort of the fabric.

[0048] In this embodiment, preferably, the step of compounding the flame-retardant viscose needle-punched cotton in S6 is the same as the step of compounding the TPU waterproof film in S6.

[0049] Principles and advantages of the present invention: The present invention adopts a fabric layer with antibacterial and anti-mite effect to prepare a surface layer 1, so that the fabric has excellent antibacterial and anti-mite effect. The interlayer 2 woven from polyester silk can support the fabric and increase the thickness of the fabric. The bottom layer 3 woven from spandex coated silk can provide elasticity to the fabric and increase the wearing comfort. The method of the present invention significantly improves the anti-mite ability of the fabric by combining physical and chemical methods. After antibacterial and anti-mite finishing process treatment, the antibacterial and anti-mite effect of the fabric is made more durable. Through other finishing processes, the fabric is made softer and more comfortable and suitable for close-fitting wear. In addition, through a second composite process, the fabric is composited with a TPU waterproof film and a flame-retardant viscose needle-punched cotton, which can increase the waterproof ability and flame-retardant performance of the fabric.

[0050] Performance test experiment: The following experiments were conducted on the fabrics made by traditional process and the antibacterial and anti-mite fabrics made by the process of the present invention. The experimental contents and results are shown in the following table.

[0051] Through various experiments, it can be found that the antibacterial and anti-mite effect, anti-yellowing ability, waterproof function, flame retardant function and air permeability of the antibacterial and anti-mite fabrics prepared in Examples 1, 2 and 3 are all improved, and Example 2 is the best example.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An antibacterial and anti-mite fabric, characterized by: The invention comprises a surface layer (1), an interlayer (2) and a bottom layer (3) which are arranged in sequence from top to bottom, wherein the surface layer (1) is arranged as a fabric layer having antibacterial and anti-mite effects, the interlayer (2) is woven from polyester yarns, and the bottom layer (3) is woven from spandex-coated yarns; the mass percentages of the surface layer (1), the interlayer (2) and the bottom layer (3) are: 30-50% for the surface layer, 20-50% for the interlayer, and 20-30% for the bottom layer.

2. The antibacterial and anti-mite fabric according to claim 1, characterized in that: The fabric layer with antibacterial and anti-mite effects is woven from one of ultra-high molecular weight polyethylene yarn, medium molecular weight polyethylene yarn, regenerated cellulose fiber, plant fiber polyester yarn, polyester yarn, elastic fiber, nylon, copper ion modified polyester, and bamboo charcoal modified polyester. The regenerated cellulose fiber includes one of bamboo pulp fiber, lyocell fiber, and viscose fiber. The plant fiber polyester yarn includes one of cotton and linen.

3. A preparation process of antibacterial and anti-mite fabric, characterized in that: The following steps are involved: S1. Preparation of the surface layer (1): Select fibers having antibacterial and anti-mite effects, spin the antibacterial fibers into yarns through a spinning process, and then weave the antibacterial yarns into the surface layer (1) fabrics through a weaving process; S2 interlayer (2) Preparation: Select polyester yarn, interlayer (2) fabric is made by weaving process; S3. Bottom layer (3) Preparation: Spandex coated yarn is selected and made into bottom layer (3) fabric by weaving process; S4. The first composite: 30-50% of the surface layer (1), 20-50% of the interlayer (2), 20-30% of the bottom layer (3), the surface layer (1), the interlayer (2) and the bottom layer (3) are combined together by hot melt bonding or other composite processes to obtain a composite fabric; S5. Finishing: Antibacterial and anti-mite finishing, PCM phase change material temperature adjustment, anti-yellowing treatment, and cool finishing are performed on the composite fabric to improve its antibacterial, anti-mite and anti-yellowing effects; S6. Second lamination: Laminating the finished composite fabric with a TPU waterproof film to obtain a waterproof function, and then laminating the flame-retardant viscose needle-punched cotton to obtain a flame-retardant function; S7. Inspection: Test the antibacterial rate, anti-mite effect, breathability, waterproofness and flame retardancy of the fabric to ensure compliance with the standards; S8. Rolling and packaging: After passing the inspection, the finished fabrics are rolled and packaged.

4. The preparation process of the antibacterial and anti-mite fabric according to claim 3, characterized in that: The S1 also includes S0 fiber pretreatment, and the fiber pretreatment includes the following steps: S001. Raw material preparation: take fibers with antibacterial and anti-mite effects, polyester yarns and spandex coated yarns as fiber raw materials; S002. Opening: The fiber raw materials are opened by the carding machine to remove large impurities and lumps, making the fibers loose; S003. Impurity removal: Use a wind separator to remove impurities in the fiber, such as small stones, iron filings and other non-fiber materials; S004. Degreasing: Add chemical agents into the degreasing tank and perform scouring at an appropriate temperature to remove natural oils and waxes on the fiber surface, improve the fiber's spinnability and subsequent dyeing uniformity; S005. Bleaching: Add bleaching agent into the bleaching tank and process under appropriate conditions to remove the pigment in the fiber and improve the whiteness of the fiber; S006. Washing: After degreasing and bleaching, wash with multiple levels of clean water until the water is clear and foam-free, thoroughly clean the fibers and remove any residual chemicals; S007. Drying: The cleaned fiber is dried in a dryer to remove moisture and dry the fiber to a moisture content of less than 10%.

5. The preparation process of the antibacterial and anti-mite fabric according to claim 4, characterized in that: The chemical agent in S004 includes one of caustic soda, soap and surfactant, wherein the treatment under appropriate conditions is: adding the chemical agent to the degreasing tank, adjusting the pH value to 10-12, soaking the fiber in the chemical agent, heating to 80-90°C, maintaining for 20-40 minutes, and stirring at 200-400r / min.

6. The preparation process of the antibacterial and anti-mite fabric according to claim 5, characterized in that: The bleaching agent in S005 includes one of sodium hypochlorite and hydrogen peroxide, wherein the treatment under appropriate conditions is: adding the bleaching agent into the bleaching tank, adjusting the pH value to 6.5-7.5, soaking the degreased fiber in the bleaching solution, heating to 60-70° C., and maintaining for 20-40 minutes.

7. The preparation process of the antibacterial and anti-mite fabric according to claim 3, characterized in that: The antibacterial and anti-mite finishing in S5 specifically comprises the following steps: S501. Prepare an antibacterial and anti-mite agent solution: prepare a corresponding solution according to the desired concentration of the antibacterial and anti-mite agent; S502. Immersion treatment: Immerse the fabric in the prepared antibacterial and anti-mite agent solution. Depending on the properties of the antibacterial and anti-mite agent and the characteristics of the fabric, the immersion time is 10-30 minutes and the temperature is 20-60°C; S503. Curing treatment: After impregnation, the fabric is taken out and subjected to a curing process by heating at a temperature between 100-150°C for 5-15 minutes to better combine the antibacterial and anti-mite agent with the fiber; S504. Cleaning: After the curing process is completed, the fabric is cleaned to remove excess antibacterial and anti-mite agents and other impurities; S505. Drying: After cleaning, hang the fabric to dry or use a dryer to dry it.

8. The preparation process of the antibacterial and anti-mite fabric according to claim 7, characterized in that: The specific steps of preparing the antibacterial and anti-mite agent solution include: S5011. Select fresh roses, wormwood, sweet olive, mosquito repellent grass and mint leaves free of pests and diseases and clean them using cleaning equipment; S5012. The cleaned roses, wormwood, sweet olive, mosquito repellent grass and mint leaves are placed in a drying device for drying, and the drying temperature is controlled to be 90-130°C. After drying, take out and place in a cool place; S5013. The dried roses, wormwood, sweet olive, mosquito repellent grass and mint leaves in S5012 are sequentially put into the grinding equipment, the grinding equipment speed is adjusted to 100-200r / min, and the grinding is continued for 6-8min. After the raw material powder is obtained after the grinding is fully removed; S5014. Put the raw material powder prepared in S5013 and deionized water in a weight ratio of 2:10 into a reactor for thorough mixing and reaction, control the temperature of the reactor at 60-90°C, and after sufficient reaction, move to a vacuum distillation kettle, and the obtained distillate is the antibacterial and anti-mite agent solution.

9. The preparation process of the antibacterial and anti-mite fabric according to claim 3, characterized in that: The specific steps of compounding the TPU waterproof film in S6 are: S601. Preparation: Prepare the fabric and TPU waterproof membrane, and ensure the fabric surface is clean; S602. Hot melt adhesive lamination: Apply hot melt adhesive evenly on the fabric, cover the TPU film on the fabric coated with hot melt adhesive, melt the hot melt adhesive by heating, control the temperature between 100-150°C, and keep it for 1-5 minutes to ensure full melting and bonding; S603. Curing treatment: After the lamination is completed, let the fabric cure at a temperature of 80-100°C for 5-10 minutes to ensure that the TPU film is tightly bonded to the fabric; S604. Cooling: Allow the fabric to slowly cool to room temperature; S605. Post-processing: Soften the composite fabric to improve the feel and comfort of the fabric.

10. The preparation process of the antibacterial and anti-mite fabric according to claim 9, characterized in that: The step of compounding the flame-retardant viscose needle-punched cotton in S6 is the same as the step of compounding the TPU waterproof film in S6.

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