Skin-friendly antibacterial fiber fabric and preparation method and application thereof

Abstract

The present invention relates to fiber fabrics, and in particular to a skin-friendly antibacterial fiber fabric and a preparation method and application thereof. The preparation method of the skin-friendly antibacterial fiber fabric of the present invention comprises: step 1: preparing raw materials according to mass parts: 100-150 parts of polyester slices, 20-50 parts of nylon slices, 10-40 parts of bamboo fibers, 2-8 parts of modified particles, and 0.3-1.5 parts of alginate; then mixing the above raw materials, spinning and weaving to obtain textile fabrics; step 2: placing the textile fabric in a finishing liquid for impregnation, drying, washing, and drying to obtain a skin-friendly antibacterial fiber fabric. The fabric of the present invention has good antibacterial effect, and still has excellent antibacterial effect after being washed multiple times, and also has good warp tensile strength and air permeability, and has good application prospects.

Description

Technical Field

[0001] The invention relates to fiber fabrics, and in particular to skin-friendly and antibacterial fiber fabrics and a preparation method and application thereof. Background Art

[0002] Fiber fabric is a textile made of natural and / or artificial fibers by weaving, knitting, etc. It is a light, soft, breathable and comfortable textile with good warmth retention, breathability and comfort, so it is widely used in clothing, home furnishing and other fields.

[0003] Natural fiber fabrics refer to textiles made of natural fibers, such as cotton, linen, silk, wool, etc. These fibers have good air permeability and comfort and are harmless to the human body.

[0004] Man-made fiber fabrics refer to textiles made of artificial fibers, such as nylon, polyester, polypropylene, etc. These fibers are light, soft, wear-resistant and easy to clean.

[0005] As society progresses, consumers have higher and higher requirements for textile raw materials. Therefore, there is a technical problem that needs to be solved urgently, which is to provide a skin-friendly and antibacterial fiber fabric. Summary of the invention

[0006] The purpose of the present invention is to provide a skin-friendly and antibacterial fiber fabric and a preparation method and application thereof.

[0007] The present invention uses raw materials including polyester chips, nylon chips, bamboo fibers, modified particles and alginate to prepare textile fabrics, giving the fabrics better skin-friendly and antibacterial effects; at the same time, the textile fabrics are treated with a finishing liquid to further improve the antibacterial and mechanical properties of the fabrics.

[0008] The present invention provides a specific method for preparing a skin-friendly and antibacterial fiber fabric, comprising the following steps:

[0009] Step 1: Prepare raw materials according to mass parts: 100-150 parts of polyester chips, 20-50 parts of nylon chips, 10-40 parts of bamboo fibers, 2-8 parts of modified particles, and 0.3-1.5 parts of alginate; then mix the above raw materials, perform spinning and weaving processes, and obtain textile fabrics;

[0010] Step 2: The textile fabric is immersed in the finishing liquid, dried, washed, and dried to obtain a skin-friendly and antibacterial fiber fabric.

[0011] Furthermore, in the raw materials of step 1, there are 110-145 parts of polyester chips, 22-40 parts of nylon chips, 12-35 parts of bamboo fibers, 2.5-7.5 parts of modified particles, and 0.4-1.4 parts of alginate.

[0012] Furthermore, the preparation method of the modified particles comprises the following steps:

[0013] 1-3 parts of sepiolite, 0.5-2 parts of titanium dioxide and 0.1-0.8 parts of silver oxide are mixed to obtain a mixed powder, a composite silane coupling agent solution of 10-30 times the mass of the mixed powder is added, heated to 40-58° C., stirred for 2-8 hours, centrifuged, dried and ball-milled to obtain the modified particles.

[0014] Furthermore, the composite silane coupling agent solution consists of a composite silane coupling agent and an ethanol aqueous solution with a mass concentration of 20-45%.

[0015] Furthermore, the composite silane coupling agent is composed of 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane in a mass ratio of 2-4.5:1.

[0016] Furthermore, the mass concentration of the composite silane coupling agent in the composite silane coupling agent solution is 3-6.5%.

[0017] Furthermore, the drying temperature is 70-90° C., and the drying is performed until the water content is less than 4.27%.

[0018] Furthermore, the finishing liquid includes, by mass percentage, 0.2-1.2% Artemisia selengensis extract, 0.3-2% Pterocephalus extract, 0.25-1.6% Honeysuckle extract, 0.5-2% carboxymethyl cellulose, 1-3% Tween-40, 2-4% sucrose fatty acid ester SE-11, 20-35% ethanol and the remainder water.

[0019] Furthermore, the mass ratio of the Artemisia selengensis extract to the Pterocephalus chinensis extract is 1:1.5-2.5.

[0020] Furthermore, the preparation method of the Artemisia selengensis extract includes: crushing the dried Artemisia selengensis, extracting with ethanol aqueous solution, filtering, concentrating the filtrate, adding a composite extractant composed of an oil phase and an aqueous phase for extraction, concentrating the oil phase, drying, and crushing to obtain the Artemisia selengensis extract.

[0021] Furthermore, the preparation method of the Artemisia annua extract includes: crushing the dried Artemisia annua, adding an ethanol aqueous solution with a concentration of 30-55wt% and a content of 8-25 times the mass of the crushed material, heating to 40-55°C and stirring for 3-5 hours for extraction, filtering, and concentrating the filtrate at 55-60°C under reduced pressure to 10-18% of the mass of the filtrate, and then adding a composite extractant composed of an oil phase and an aqueous phase with a content of 15-50 times the mass of the concentrate for extraction, taking the oil phase, concentrating, drying, and crushing to obtain the Artemisia annua extract.

[0022] Furthermore, when preparing the Artemisia oxtail extract, the oil phase is composed of ethyl acetate and cyclohexane in a mass ratio of 1:2-4. The water phase is a calcium chloride aqueous solution with a mass concentration of 1.7-3.5%. The mass ratio of the oil phase to the water phase is 3-5:1. The extraction temperature is 30-55°C and the time is 2-6 hours.

[0023] Furthermore, the preparation method of the Pterocephalus extract includes: crushing the dried Pterocephalus, adding 10-28 times the mass of 50-75wt% ethanol aqueous solution, heating to 50-60°C and stirring for 4-10 hours for extraction, filtering, concentrating the filtrate under reduced pressure at 55-60°C, drying, and crushing to obtain the Pterocephalus extract.

[0024] Furthermore, the spinning process is carried out by putting the spinning material into a screw extruder.

[0025] Furthermore, during the impregnation, the ratio of the textile fabric to the finishing liquid is 1:25-40.

[0026] Further, the immersion time is 2-3.5 hours.

[0027] The present invention also provides a skin-friendly and antibacterial fiber fabric prepared by the above preparation method.

[0028] The present invention also provides application of the skin-friendly and antibacterial fiber fabric in preparing textiles.

[0029] The beneficial effects of the present invention are as follows:

[0030] The present invention uses raw materials including polyester chips, nylon chips, bamboo fibers, modified particles and alginate to prepare textile fabrics, giving the fabrics better skin-friendly and antibacterial effects; at the same time, the textile fabrics are treated with a finishing liquid to further improve the antibacterial and mechanical properties of the fabrics.

[0031] The modified particles of the present invention can improve the antibacterial effect of fabrics. When preparing the modified particles, the use of a coupling agent can improve the antibacterial effect of the fabric to a certain extent. The use of the coupling agent of the present invention enhances the dispersion effect and compatibility of the antibacterial active ingredients of the modified particles in fabric base materials such as polyester chips, thereby improving the overall antibacterial effect of the fabric; in particular, the use of long-chain and short-chain coupling agents 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane to produce a synergistically enhanced antibacterial effect. When the composite coupling agent is composed of 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane in a mass ratio of 2-4.5:1, the antibacterial effect of the fabric is better.

[0032] The present invention uses a finishing liquid to improve the antibacterial effect of the fabric. The present invention uses the Artemisia selengensis extract and the Pterocephalus chinensis extract prepared by a specific process in the fabric finishing liquid to promote each other to increase the antibacterial effect of the fabric. The usage ratio of the Artemisia selengensis extract and the Pterocephalus chinensis extract will also affect the antibacterial effect of the fabric, especially when the ratio of the two is 1:1.5-2.5, the antibacterial performance of the fabric is higher. At the same time, Tween-40 and sucrose fatty acid ester SE-11 used in the finishing liquid will also promote the improvement of the antibacterial effect of the fabric.

[0033] The fabric of the present invention still has excellent antibacterial effect after being washed multiple times.

[0034] The fabric of the invention has good warp tensile strength and air permeability and has good application prospects.

[0035] The modified particles used in the fabric of the present invention can improve the warp tensile strength and air permeability of the fabric. The use of sepiolite and the combination of coupling agents can both improve the warp tensile strength and air permeability of the fabric.

[0036] The invention has simple process, excellent product performance and good application prospect. DETAILED DESCRIPTION

[0037] The technical solution of the present invention will be explained below in conjunction with specific implementation methods, and the effect of the technical solution of the present invention will be clearer and more specific.

[0038] Raw material information used in the specific implementation of the present invention:

[0039] Polyester chips: SB500, Sinopec Yizheng Chemical Fiber Co., Ltd.

[0040] Nylon chips: Nylon 6 chips, Jinan Lingwei Chemical Co., Ltd.

[0041] Bamboo fiber: length 30mm~51mm, Shandong Xuzheng Textile Co., Ltd.

[0042] Honeysuckle extract: Xi'an Green Biotechnology Co., Ltd.

[0043] Sepiolite powder: particle size less than 3000 mesh, Guangzhou Yifeng Chemical Technology Co., Ltd.

[0044] Nano titanium dioxide: HTR-616, Dongguan Dingxin Plastic Raw Materials Co., Ltd.

[0045] Nano silver oxide: CAS: 11113-88-5, Shanghai Buhan Chemical Technology Co., Ltd. 1. Preparation of skin-friendly and antibacterial fiber fabrics

[0046] Preparation of fabric 1:

[0047] Step 1: Prepare raw materials according to mass parts: 120 parts of polyester chips, 32 parts of nylon chips, 28 parts of bamboo fibers, 4.2 parts of modified particles, and 1.1 parts of alginate; then mix the above raw materials, put them into a screw extruder for melt extrusion and spin at a speed of 750m / min, and then weave to obtain textile fabrics;

[0048] Step 2: Immerse the textile fabric in the finishing liquid at 82°C, dry it at 72°C for 1.5 hours, wash it with water, and dry it to obtain a skin-friendly and antibacterial fiber fabric.

[0049] The weaving process is as follows: the fibers obtained by spinning are passed through warp yarn and weft yarn and then woven into a textile fabric; wherein the linear densities of the warp yarn and weft yarn are 28 tex and 22 tex respectively; and the warp and weft densities of the fabric are 95 and 72 strands / inch respectively.

[0050] During the impregnation, the ratio of textile fabric to finishing liquid was 1:28, and the impregnation time was 2.5 hours.

[0051] The preparation method of the modified particles comprises the following steps:

[0052] In parts by mass, 2 parts of sepiolite powder, 1.2 parts of nano titanium dioxide and 0.5 parts of nano silver oxide are mixed to obtain a mixed powder, a composite silane coupling agent solution of 20 times the mass of the mixed powder is added, the mixture is heated to 52° C., stirred at 70 rpm for 4.5 hours, centrifuged at 3500 rpm for 30 minutes, the centrifugal precipitate is dried at 82° C. to a water content of 3.72%, and ball milled to obtain the modified particles.

[0053] The composite silane coupling agent solution is composed of a composite silane coupling agent and an ethanol aqueous solution with a mass concentration of 32.8%. The composite silane coupling agent is composed of 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane in a mass ratio of 3:1. The mass concentration of the composite silane coupling agent in the composite silane coupling agent solution is 4.5%.

[0054] The finishing liquid includes, by mass percentage, 0.8% Artemisia selengensis extract, 1.6% Pterocephalus extract, 1.2% Honeysuckle extract, 1.8% carboxymethyl cellulose, 2.7% Tween-40, 3.2% sucrose fatty acid ester SE-11, 32% ethanol and the remainder water. The mass ratio of Artemisia selengensis extract to Pterocephalus extract is 1:2. Preparation method of finishing liquid: put water and ethanol in a container, heat to 52°C, add carboxymethyl cellulose, Tween-40 and sucrose fatty acid ester SE-11, stir at 100rpm for 0.8 hours, cool to room temperature, add Artemisia selengensis extract, Pterocephalus extract and Honeysuckle extract, continue stirring for 0.5 hours to obtain the finishing liquid.

[0055] The preparation method of the Artemisia oxtail extract comprises: crushing the dried Artemisia oxtail, adding an ethanol aqueous solution with a concentration of 40wt% and a mass of 12 times the mass of the crushed material, heating to 50°C and stirring for 4 hours for extraction, filtering, and concentrating the filtrate at 58°C under reduced pressure to 12.5% ​​of the mass of the filtrate, and then adding a composite extractant composed of an oil phase and an aqueous phase with a mass of 20 times the mass of the concentrate for extraction, taking the extracted oil phase and concentrating it at 55°C under reduced pressure to 12.4wt% of the mass of the oil phase, drying at 90°C for 3 hours, and crushing to obtain the Artemisia oxtail extract. Among them, the oil phase is composed of ethyl acetate and cyclohexane in a mass ratio of 1:3. The aqueous phase is a calcium chloride aqueous solution with a mass concentration of 2.8%. The mass ratio of the oil phase to the aqueous phase is 4:1. The extraction temperature is 50°C and the time is 4 hours.

[0056] The preparation method of the Pterocephalus herb extract comprises: crushing the dried Pterocephalus herb, adding 20 times the mass of an ethanol aqueous solution with a concentration of 62.5wt%, heating to 57°C, stirring at 80rpm for 7 hours for extraction, filtering, concentrating the filtrate under reduced pressure at 58°C, drying at 80°C to a water content of 4.23wt%, and crushing to obtain the Pterocephalus herb extract.

[0057] Preparation of fabric 2:

[0058] Step 1: Prepare raw materials according to mass parts: 140 parts of polyester chips, 22 parts of nylon chips, 20 parts of bamboo fibers, 4.25 parts of modified particles, and 1.2 parts of alginate; then mix the above raw materials, put them into a screw extruder for melt extrusion and spin at a speed of 750m / min, and then weave to obtain textile fabrics;

[0059] Step 2: Immerse the textile fabric in the finishing liquid at 80°C, dry it at 85°C for 2 hours, wash it with water, and dry it to obtain a skin-friendly and antibacterial fiber fabric.

[0060] The weaving process is as follows: the fibers obtained by spinning are passed through warp yarn and weft yarn and then woven into a textile fabric; wherein the linear densities of the warp yarn and weft yarn are 28 tex and 22 tex respectively; and the warp and weft densities of the fabric are 95 and 72 strands / inch respectively.

[0061] During the impregnation, the ratio of textile fabric to finishing liquid is 1:30, and the impregnation time is 3 hours.

[0062] The preparation method of the modified particles comprises the following steps:

[0063] In parts by mass, 3 parts of sepiolite powder, 0.8 parts of nano titanium dioxide and 0.8 parts of nano silver oxide are mixed to obtain a mixed powder, a composite silane coupling agent solution of 25 times the mass of the mixed powder is added, the mixture is heated to 50° C., stirred at 75 rpm for 5 hours, centrifuged at 3500 rpm for 30 minutes, the centrifugal precipitate is dried at 82° C. to a water content of 3.67%, and ball milled to obtain the modified particles.

[0064] The composite silane coupling agent solution is composed of a composite silane coupling agent and an ethanol aqueous solution with a mass concentration of 40%. The composite silane coupling agent is composed of 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane in a mass ratio of 4.5:1. The mass concentration of the composite silane coupling agent in the composite silane coupling agent solution is 5.2%.

[0065] The finishing liquid includes, by mass percentage, 0.7% Artemisia selengensis extract, 1.7% Pterocephalus extract, 1.18% Honeysuckle extract, 2% carboxymethyl cellulose, 3% Tween-40, 2.8% sucrose fatty acid ester SE-11, 24% ethanol and the remainder water. The mass ratio of Artemisia selengensis extract to Pterocephalus extract is 1:2.43. Preparation method of finishing liquid: put water and ethanol in a container, heat to 55°C, add carboxymethyl cellulose, Tween-40 and sucrose fatty acid ester SE-11, stir at 120rpm for 0.5 hour, cool to room temperature, add Artemisia selengensis extract, Pterocephalus extract and Honeysuckle extract, continue stirring for 0.4 hour to obtain the finishing liquid.

[0066] The preparation method of the Artemisia oxtail extract comprises: crushing the dried Artemisia oxtail, adding an ethanol aqueous solution with a concentration of 32wt% and a mass of 20 times the mass of the crushed material, heating to 50°C and stirring for 4.5 hours for leaching, filtering, and concentrating the filtrate at 58°C under reduced pressure to 12.7% of the mass of the filtrate, and then adding a composite extractant composed of an oil phase and an aqueous phase with a mass of 22 times the mass of the concentrate for extraction, taking the extracted oil phase and concentrating it at 55°C under reduced pressure to 14.3wt% of the mass of the oil phase, drying at 92°C for 3.5 hours, and crushing to obtain the Artemisia oxtail extract. Among them, the oil phase is composed of ethyl acetate and cyclohexane in a mass ratio of 1:4. The aqueous phase is a calcium chloride aqueous solution with a mass concentration of 3.22.8%. The mass ratio of the oil phase to the aqueous phase is 3:1. The extraction temperature is 30°C and the time is 5.5 hours.

[0067] The preparation method of the Pterocephalus herb extract comprises: crushing the dried Pterocephalus herb, adding 10 times the mass of an ethanol aqueous solution with a concentration of 68wt%, heating to 55°C, stirring at 85rpm for 8.2 hours for extraction, filtering, concentrating the filtrate under reduced pressure at 58°C, drying at 85°C to obtain a water content of 4.01wt%, and crushing to obtain the Pterocephalus herb extract.

[0068] Preparation of fabric 3: Compared with fabric 1, no modified particles are used, and the rest is the same as fabric 1.

[0069] Preparation of fabric 4: Compared with fabric 1, the finishing liquid was replaced with an equal amount of water, and the rest was the same as fabric 1.

[0070] Preparation of fabric 5: The difference compared to fabric 1 is that no sepiolite is added during the preparation of the modified particles, and the rest is the same as fabric 1.

[0071] Preparation of fabric 6: The difference compared to fabric 1 is that when preparing the modified particles, the composite silane coupling agent is replaced by 3-glycidyloxypropyltrimethoxysilane, and the rest is the same as fabric 1.

[0072] Preparation of fabric 7: The difference compared to fabric 1 is that when preparing the modified particles, the composite silane coupling agent is replaced by dodecyltriethoxysilane, and the rest is the same as fabric 1.

[0073] Preparation of fabric 8: The difference compared to fabric 1 is that when the modified particles are prepared, the composite silane coupling agent is composed of 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane in a mass ratio of 0.5:1, and the rest are the same as fabric 1.

[0074] Preparation of fabric 9: The difference compared to fabric 1 is that the Artemisia oxtail extract is not used in the finishing liquid, and the amount of Pterocephalus extract is increased to 2.4%. The rest is the same as fabric 1.

[0075] Preparation of fabric 10: The difference from fabric 1 is that the Pterocephalus extract is not used in the finishing liquid, and the amount of Artemisia selengensis extract is increased to 2.4%. The other aspects are the same as those of fabric 1.

[0076] Preparation of fabric 11: The difference compared to fabric 1 is that in the finishing liquid, the amount of Artemisia selengensis extract is adjusted to 1.2%, the amount of Pterocephalus sphaerocephalus extract is adjusted to 1.2%, the dosage ratio of the two is 1:1, and the rest is the same as fabric 1.

[0077] Preparation of fabric 12: The difference compared to fabric 1 is that in the finishing liquid, the amount of Artemisia selengensis extract is adjusted to 0.48%, and the amount of Pterocephalus serrata extract is adjusted to 1.92%, and the dosage ratio of the two is 1:4. The rest is the same as fabric 1.

[0078] Preparation of fabric 13: The difference from fabric 1 is that Tween-40 and sucrose fatty acid ester SE-11 are not used in the finishing liquid, and the rest are the same as fabric 1.

[0079] 2. Effect Verification

[0080] 1. Antibacterial effect test

[0081] The antibacterial activity against Escherichia coli and Staphylococcus aureus was determined according to the method described in reference standard GB / T20944.3-2008. The antibacterial test results of the fabric after 0 washings are shown in Table 1.

[0082]

[0083]

[0084] It can be seen from the test results in Table 1 that the fabric prepared by the present invention has excellent antibacterial effect.

[0085] It can be seen from the test results of fabrics 1 and 3 that the modified particles of the present invention can improve the antibacterial effect of fabrics. When preparing modified particles, the use of coupling agents can improve the antibacterial effect of fabrics to a certain extent. The reason for this may be that the use of coupling agents enhances the dispersion effect and compatibility of the antibacterial active ingredients of modified particles in fabric base materials such as polyester chips, thereby improving the overall antibacterial effect of fabrics; in particular, the use of long-chain and short-chain coupling agents 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane to produce a synergistically enhanced antibacterial effect, which can be seen from the test results of fabrics 1, 6, and 7. When the composite coupling agent is composed of 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane in a mass ratio of 2-4.5:1, the antibacterial effect of the fabric is better.

[0086] It can be seen from the test results of fabrics 1 and 4 that the use of finishing liquid in the present invention can better improve the antibacterial effect of fabrics. The use of Artemisia selengensis extract and Pterocephalus chinensis extract prepared by a specific process in the fabric finishing liquid of the present invention can mutually promote the antibacterial effect of the fabric, and the above content can be obtained in combination with the tests of fabrics 1, 11, and 12. The dosage ratio of Artemisia selengensis extract and Pterocephalus chinensis extract will also affect the antibacterial effect of the fabric, especially when the ratio of the two is 1:1.5-2.5, the antibacterial performance of the fabric is higher. At the same time, Tween-40 and sucrose fatty acid ester SE-11 used in the finishing liquid will also promote the improvement of the antibacterial effect of the fabric.

[0087] The antibacterial test results of the above fabrics after washing 50 times are shown in Table 2.

[0088] Table 2 Antibacterial performance after 50 cleanings

[0089]

[0090]

[0091] It can be seen from the test results in Table 2 that the fabric of the present invention still has excellent antibacterial effect after being washed multiple times.

[0092] 2. Tensile strength and air permeability test

[0093] The warp tensile strength of the fabric was measured using the method described in the reference standard GB / T 3917.2-2009. The air permeability of the fabric was tested using the method described in the reference standard GB / T5453-1997. The results are shown in Table 3.

[0094] Table 3 Warp tensile strength and air permeability

[0095] Serial number / test Warp tensile strength / N Air permeability / mm / s Fabric 1 1097 3157 Fabric 2 1053 3165 Fabric 3 736 2634 Fabric 4 1027 3127 Fabric 5 974 2912 Fabric 6 1047 3013 Fabric 7 1009 3049

[0096] It can be seen from the test results in Table 3 that the fabric of the present invention has good warp tensile strength and air permeability, and has good application prospects.

[0097] The modified particles used in the fabric of the present invention can improve the warp tensile strength and air permeability of the fabric. The use of sepiolite and the combination of coupling agents can both improve the warp tensile strength and air permeability of the fabric.

[0098] Those skilled in the art may make various changes and modifications to the present invention. If these changes and modifications fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these changes and modifications.

Claims

1. A method for preparing a skin-friendly and antibacterial fiber fabric, characterized in that: The steps include: Step 1: Prepare raw materials according to mass parts: 100-150 parts of polyester chips, 20-50 parts of nylon chips, 10-40 parts of bamboo fibers, 2-8 parts of modified particles, and 0.3-1.5 parts of alginate; then mix the above raw materials, perform spinning and weaving processes, and obtain textile fabrics; Step 2: impregnating the textile fabric with the finishing liquid, drying, washing, and drying to obtain a skin-friendly and antibacterial fiber fabric; The preparation method of the modified particles includes: 1-3 parts of sepiolite, 0.5-2 parts of titanium dioxide, and 0.1-0.8 parts of silver oxide are mixed to obtain a mixed powder, and a composite silane coupling agent solution of 10-30 times the mass of the mixed powder is added, heated to 40-58° C., stirred for 2-8 hours, centrifuged, dried, and ball-milled to obtain the modified particles; The composite silane coupling agent solution is composed of a composite silane coupling agent and an ethanol aqueous solution with a mass concentration of 20-45%; The composite silane coupling agent is composed of 3-glycidyloxypropyltrimethoxysilane and dodecyltriethoxysilane in a mass ratio of 2-4.5:1; The mass concentration of the composite silane coupling agent in the composite silane coupling agent solution is 3-6.5%; The finishing liquid comprises, by mass percentage, 0.2-1.2% Artemisia selengensis extract, 0.3-2% Pterocephalus extract, 0.25-1.6% Honeysuckle extract, 0.5-2% carboxymethyl cellulose, 1-3% Tween-40, 2-4% sucrose fatty acid ester SE-11, 20-35% ethanol and the balance water; The preparation method of the Artemisia oxtail extract comprises: crushing the dried Artemisia oxtail, adding an ethanol aqueous solution with a concentration of 30-55wt% and a weight of 8-25 times the weight of the crushed material, heating to 40-55° C. and stirring for 3-5 hours for leaching, filtering, concentrating the filtrate at 55-60° C. under reduced pressure to 10-18% of the weight of the filtrate, then adding a composite extractant composed of an oil phase and an aqueous phase with a weight of 15-50 times the weight of the concentrate for extraction, taking the oil phase, concentrating, drying, and crushing to obtain the Artemisia oxtail extract; The oil phase is composed of ethyl acetate and cyclohexane in a mass ratio of 1:2-4; the water phase is a calcium chloride aqueous solution with a mass concentration of 1.7-3.5%; the mass ratio of the oil phase to the water phase is 3-5:1; the extraction temperature is 30-55°C and the time is 2-6 hours; The preparation method of the Pterocephalus herb extract comprises: crushing the dried Pterocephalus herb, adding 10-28 times the mass of 50-75wt% ethanol aqueous solution, heating to 50-60°C and stirring for 4-10 hours for extraction, filtering, concentrating the filtrate under reduced pressure at 55-60°C, drying, and crushing to obtain the Pterocephalus herb extract.

2. The preparation method according to claim 1, characterized in that: 110-145 parts of polyester chips, 22-40 parts of nylon chips, 12-35 parts of bamboo fibers, 2.5-7.5 parts of modified particles, and 0.4-1.4 parts of alginic acid.

3. The preparation method according to claim 1, characterized in that: During impregnation, the ratio of textile fabric to finishing liquid is 1:25-40.

4. The preparation method according to claim 1, characterized in that: The soaking time is 2-3.5 hours.

5. A skin-friendly and antibacterial fiber fabric prepared according to the preparation method according to any one of claims 1 to 4.

6. Use of the skin-friendly and antibacterial fiber fabric according to claim 5 in the preparation of textiles.

Images