One-way moisture-conducting quick-drying multifunctional fabric and manufacturing method

Abstract

The present invention provides a one-way moisture-conducting and quick-drying multifunctional fabric and a manufacturing method thereof. The one-way moisture-conducting multifunctional fabric comprises a fabric surface layer, a fabric inner layer and an intermediate layer connecting the fabric surface layer and the fabric inner layer. The fabric surface layer is woven from hydrophilic modified polyester yarn, the fabric inner layer is woven from hydrophobic polyester low-elastic yarn, and the intermediate layer is woven from hydrophilic modified polyester yarn by a computer jacquard circular machine, and the hydrophilic modified polyester yarn is an antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature. The steps of the manufacturing method are as follows: the weaving process uses a computer jacquard circular machine to weave a one-way moisture-conducting multifunctional fabric; the dyeing and finishing process includes degreasing → refining → dyeing → cleaning. The dyeing process temperature range is between 95°C and 105°C. The moisture conduction rate and color fastness can be improved, and the color difference and color flowers can be reduced; the dyeing and finishing process is simple, the production cost is low, and the efficiency is high; and the fabric has antibacterial and bactericidal functions.

Description

Technical Field

[0001] The invention belongs to the technical field of textile products, and relates to a knitted fabric product and a processing and manufacturing method thereof, in particular to a one-way quick-drying multifunctional fabric and a manufacturing method thereof. Background Art

[0002] As people's living standards continue to improve, they pay more attention to the comfort of clothing. In the hot summer, when people engage in high-intensity physical activities, they have higher requirements for the comfort of clothing. In order to meet the wearing comfort of people who sweat a lot during high-intensity physical activities, one-way moisture-conducting fabrics have been introduced.

[0003] Existing one-way moisture-conducting fabrics are mostly finished by adding chemical additives during the dyeing and finalizing process. These products have the following problems and shortcomings:

[0004] 1. The moisture conduction effect is not long-lasting, the coloring stability is poor, and color differences are prone to occur, resulting in low yield, low economic and social benefits;

[0005] 2. The color fastness is low, generally only reaching level 3-4, and it will fade seriously after washing and sun exposure;

[0006] 3. After adding auxiliaries during the dyeing process, multiple cleanings are required, and high temperature (130°C) conditions are required. The process operation is complicated and energy consumption is high. It is neither low-carbon and environmentally friendly, but also increases production costs.

[0007] Therefore, how to design a unidirectional moisture-conducting multifunctional fabric and manufacturing method to improve moisture-conducting rate, improve color fastness, reduce color difference and color fringing; simple dyeing and finishing process operation, low production cost, high efficiency; and also achieve antibacterial and sterilization functions. This is an urgent problem to be solved in this technical field. Summary of the invention

[0008] In order to solve the above-mentioned problems and shortcomings of the prior art, the present invention provides a unidirectional moisture-conducting multifunctional fabric and a manufacturing method, which can improve the moisture conduction rate, improve color fastness, and reduce color difference and color fringing; the dyeing and finishing process is simple to operate, the production cost is low, and the efficiency is high; further, it has antibacterial and bactericidal functions.

[0009] In order to achieve the above-mentioned purpose of the present invention, the present invention adopts the following technical scheme:

[0010] A one-way moisture-conducting quick-drying multifunctional fabric comprises a fabric surface layer, a fabric inner layer and an intermediate layer connecting the fabric surface layer and the fabric inner layer, wherein the fabric surface layer is woven from hydrophilic modified polyester yarns, the fabric inner layer is woven from water-repellent polyester low-elastic yarns, the intermediate layer is woven from hydrophilic modified polyester yarns by a computer jacquard circular machine, and the hydrophilic modified polyester yarns are antibacterial and bactericidal functional polyester yarns that can be dyed at low temperatures.

[0011] Improvement of the above technical solution: the antibacterial and bactericidal functional polyester yarn capable of being dyed at low temperature comprises a coloring layer, an antibacterial layer and a base line;

[0012] The coloring layer is formed by winding modified polyester fibers, and four groups of side columns are arranged on the outside of the modified polyester fibers, and the tops of the four groups of side columns are all provided with holes and grooves;

[0013] The antibacterial layer is composed of nano-carbon fibers wound around each other, the interior of the antibacterial layer is inlaid with silver fibers, and the outer sides of the silver fibers are fixedly wound and connected by first fixed fibers and second fixed fibers;

[0014] The base line is composed of a first bonding fiber and a second bonding fiber intertwined, and the first bonding fiber and the second bonding fiber are staggered and connected to each other in a wave-like intertwined manner.

[0015] Further improvement of the above technical solution: the inner side of the coloring layer is woven with a wear-resistant layer, the inner side of the wear-resistant layer is woven with an elastic layer, the inner side of the elastic layer is woven with the antibacterial layer, the inner side of the antibacterial layer is woven with a water-absorbing layer, the inner side of the water-absorbing layer is woven with the baseline, and the elastic layer is composed of spandex fibers.

[0016] Further improvement to the above technical solution: the first bonding fiber and the second bonding fiber are both made of silk fiber, the first bonding fiber is obliquely interlaced and wrapped around the second bonding fiber, and the first bonding fiber and the second bonding fiber are connected by at least two layers of weaving.

[0017] Further improvement of the above technical solution: the raw material of the low-temperature dyeable antibacterial and bactericidal functional polyester yarn is polyethylene terephthalate, the cross-section of the low-temperature dyeable antibacterial and bactericidal functional polyester yarn is cross-shaped, W-shaped or S-shaped; the cross-section of the polyester low-elastic yarn is circular.

[0018] Further improvement of the above technical solution: the antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature is a semi-dull or fully dull 50-150D / 36-144F polyester DTY low-elastic yarn, and the polyester low-elastic yarn is a semi-dull or fully dull 50-100D / 48-144F polyester DTY low-elastic yarn.

[0019] A method for manufacturing the above-mentioned one-way moisture-conducting quick-drying multifunctional fabric includes a fabric weaving process step and a dyeing and finishing process step, wherein the fabric weaving process step includes:

[0020] Step S1: preparing hydrophilic modified polyester yarn as the raw material for the surface layer and the middle layer of the woven fabric, and preparing water-repellent polyester low-elastic yarn as the raw material for the inner layer of the woven fabric;

[0021] Step S2: using a computer jacquard circular knitting machine to weave a one-way moisture-conducting and quick-drying multifunctional fabric comprising a fabric surface layer, a middle layer and a fabric inner layer;

[0022] The dyeing and finishing process steps include: step S3: degreasing → step S4: refining → step S5: dyeing → step S6: cleaning → step S7: shaping; in step S5, the dyeing process temperature range is between 95°C and 105°C.

[0023] Improvement on the above technical solution: The specific process of the dyeing and finishing process steps is: add degreasing agent to raise the temperature to 80°C, keep warm for 30 minutes, reduce to room temperature and wash with water; then add refining agent, disperse dye and HAZ, continue to raise the temperature to 65°C, keep warm for 15 minutes, then continue to raise the temperature to 100-105°C, keep warm for 30 minutes, and then reduce the temperature to 60°C, sample, wash and shape.

[0024] Further improvement of the above technical solution: the deoiling agent is deoiling agent TF-115, and the dosage is 1g / L; the refining agent is refining agent R01, and the dosage is 1g / L; the dosage of HAZ is 0.6g / L; the dosage of high temperature leveling agent is 0.5g / L.

[0025] Compared with the prior art, the present invention has the following advantages and positive effects:

[0026] 1. The present invention uses only two different fibers, optimizes the fabric structure and scientifically matches the dyeing and finishing process parameters to achieve the best one-way moisture conduction and quick-drying function of the fabric, thus solving the problem of heat dissipation and air permeability, water absorption and quick drying, one-way moisture conduction and antibacterial and sterilization effects that can only be achieved by adding post-finishing functional additives in dyeing and finishing. It can reduce costs by at least 10% and improve production efficiency by more than 15%;

[0027] 2. The modified polyester yarn used in the present invention is an antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature. The process temperature range of dyeing is controlled between 95°C and 105°C, which can reduce the number of cleaning times, save energy and reduce consumption, and improve production efficiency by more than 20%. It is easy to dye, has stable coloring, solves the problem of color difference and color flower, and improves the first-class product rate by 10%; the color fastness can reach level 4-5, and it is not easy to decolorize;

[0028] 3. The invention has antibacterial and sterilization functions, making the product more environmentally friendly and healthy. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram of the layer structure of a unidirectional moisture-conducting and quick-drying multifunctional fabric of the present invention;

[0030] Figure 2 It is a schematic diagram of a half cross-sectional structure of a modified polyester yarn capable of low temperature dyeing in a one-way moisture-conducting quick-drying multifunctional fabric of the present invention;

[0031] Figure 3 for Figure 2 A is an enlarged schematic diagram;

[0032] Figure 4 for Figure 2 The enlarged schematic diagram of point B in FIG.

[0033] Figure 5 for Figure 2 Schematic diagram of the fiber at C in the figure;

[0034] Figure 6 It is a dyeing and finishing process curve diagram of Example 1 in the method for manufacturing a unidirectional moisture-conducting quick-drying multifunctional fabric of the present invention;

[0035] Figure 7 This is a dyeing and finishing process curve diagram of Example 2 in the method for manufacturing a unidirectional moisture-conducting quick-drying multifunctional fabric of the present invention.

[0036] In the figure: 1-fabric surface layer; 2-middle layer; 3-fabric inner layer; 4-coloring layer; 5-wear-resistant layer; 6-elastic layer; 7-antibacterial layer; 8-water-absorbing layer; 9-baseline; 10-first bonding fiber; 11-second bonding fiber; 12-silver fiber; 13-first fixed fiber; 14-second fixed fiber; 15-modified polyester fiber; 16-side column; 17-hole groove. DETAILED DESCRIPTION

[0037] See also Figure 1 The embodiment of the one-way moisture-conducting quick-drying multifunctional fabric of the present invention comprises a fabric surface layer 1, a fabric inner layer 3 and an intermediate layer 2 connecting the fabric surface layer 1 and the fabric inner layer 3. The fabric surface layer 1 is woven from hydrophilic modified polyester yarn, the fabric inner layer 3 is woven from hydrophobic polyester low-elastic yarn, and the intermediate layer 2 is woven from hydrophilic modified polyester yarn by a computer jacquard circular machine. The above-mentioned modified polyester yarn is an antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature. The antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature has the characteristic of fast moisture conduction. The middle connecting line of the middle layer 2 is also an antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature. From the process point of view, the density of the middle connecting line can be reduced, and the moisture conduction rate is greatly improved.

[0038] Further, see Figure 2-Figure 5 The antibacterial and bactericidal functional polyester yarn capable of being dyed at low temperature comprises a coloring layer 4, an antibacterial layer 7 and a base layer 9;

[0039] Among them, the above-mentioned coloring layer 4 is composed of modified polyester fibers 15 wound around it. The coloring layer 4 allows the yarn to be easily colored when it is dyed, and the winding of the modified polyester fibers 15 makes the coloring layer 4 not easy to fade even when used for a long time, so that the yarn can maintain its original color.

[0040] The outer side of the modified polyester fiber 15 is provided with four groups of side columns 16, and the tops of the four groups of side columns 16 are all provided with holes 17; so that the modified polyester fiber 15 can form gaps when winding, which can achieve air permeability and moisture removal, and can also increase the coloring rate. The inner base line 9 is annularly wound to achieve air permeability and moisture removal, and maintain fluffy and comfortable.

[0041] The above-mentioned antibacterial layer 7 is composed of nano-carbon fibers wound around, and the interior of the antibacterial layer 7 is inlaid with silver fibers 12, and the outer sides of the silver fibers 12 are fixedly wound and connected by first fixed fibers 13 and second fixed fibers 14; antibacterial and sterilization can be achieved, making the product more environmentally friendly and healthy.

[0042] The base line 9 is composed of a first bonded fiber 10 and a second bonded fiber 11 that are entangled with each other. The first bonded fiber 10 and the second bonded fiber 11 are staggered and connected to each other in a wave-like entanglement.

[0043] Furthermore, in order to make the baseline 9 have a certain fluffiness and comfort, in this embodiment, the first bonding fiber and the second bonding fiber are both made of silk fiber or bamboo fiber, the first bonding fiber is obliquely interlaced and wrapped around the second bonding fiber, and the first bonding fiber and the second bonding fiber are connected by at least two layers of weaving.

[0044] Specifically, the inner side of the coloring layer 4 is woven with a wear-resistant layer 5, the inner side of the wear-resistant layer 5 is woven with an elastic layer 6, the inner side of the elastic layer 6 is woven with the antibacterial layer 7, the inner side of the antibacterial layer 7 is woven with a water-absorbing layer 8, the inner side of the water-absorbing layer 8 is woven with a base line 9, and the elastic layer 6 is composed of spandex fibers. The anti-ultraviolet function is added to the hydrophilic modified polyester yarn in the fabric surface layer 1.

[0045] Furthermore, the raw material of the antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature is polyethylene terephthalate, and the cross-section of the antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature is cross-shaped, W-shaped or S-shaped; the cross-section of the polyester low-elastic yarn is circular.

[0046] Further, the antibacterial and bactericidal functional polyester yarn capable of low temperature dyeing is a semi-dull or fully dull 50-150D / 36-144F polyester DTY low-elastic yarn, and the polyester low-elastic yarn is a semi-dull or fully dull 50-100D / 48-144F polyester DTY low-elastic yarn. Preferably, the modified polyester yarn capable of low temperature dyeing is a semi-dull or fully dull 50D / 36F polyester DTY low-elastic yarn, and the polyester low-elastic yarn is a semi-dull or fully dull 50D / 48F polyester DTY low-elastic yarn.

[0047] The main fabric weaving process parameters of a specific embodiment of a unidirectional moisture-conducting multifunctional fabric of the present invention are as follows:

[0048] Table 1 Knitting process configuration

[0049]

[0050] Pin header: 3132

[0051] Line length: 50 stitches, opposite side: 13.5, single side: 11.5.

[0052] See also Figure 1-Figure 5 The specific implementation method of the manufacturing method of a one-way moisture-conducting quick-drying multifunctional fabric of the present invention includes a fabric weaving process step and a dyeing and finishing process step, and the fabric weaving process step includes:

[0053] Step S1: preparing hydrophilic modified polyester yarn as the raw material for the surface layer 1 and the middle layer 2 of the woven fabric, and preparing water-repellent polyester low-elastic yarn as the raw material for the inner layer 3 of the woven fabric;

[0054] Step S2: using a computer jacquard circular knitting machine to weave a one-way moisture-conducting and quick-drying multifunctional fabric comprising a fabric surface layer 1, a middle layer 2 and a fabric inner layer 3;

[0055] The dyeing and finishing process steps include step S3: degreasing → step S4: refining → step S5: dyeing → step S6: cleaning → step S7: shaping; in step S5, the dyeing process temperature range is between 95°C and 105°C.

[0056] Furthermore, the specific process of the dyeing and finishing process steps is as follows: add degreasing agent to raise the temperature to 80°C, keep warm for 30 minutes, cool down to room temperature and wash with water; then add refining agent, disperse dye and HAZ successively, continue to heat up to 65°C, keep warm for 15 minutes, then continue to heat up to 100-105°C, keep warm for 30 minutes, and then cool down to 60°C, color sample, wash and shape.

[0057] Preferably, in the above step S3, the degreasing agent used for degreasing is degreasing agent TF-115, and the dosage is 1 g / L; in the above step S4, the refining agent is refining agent R01, and the dosage is 1 g / L; the dosage of HAZ is 0.6 g / L; in the above step S5, the dosage of high temperature leveling agent used for dyeing is 0.5 g / L.

[0058] See also Figure 6 , Example 1 of the dyeing and finishing process in the manufacturing method of a one-way moisture-conducting quick-drying multifunctional fabric of the present invention, the dyeing and finishing process of double-sided knitted fabric (gray) is as follows:

[0059] Grey cloth preparation → degreasing → refining → dyeing → opening and finishing → shaping → inspection and packaging.

[0060] Specific process steps:

[0061] 1. Grey cloth preparation: Use a cloth guide machine to evenly arrange the woven grey cloth in the cloth carriage to prevent snagging.

[0062] 2. Fabric dyeing and finishing: Use L-type overflow dyeing machine with bath ratio of 1:10;

[0063] ① Degreasing, the grey cloth is evenly put into the dyeing vat, add degreasing agent TF-115: 1g / L, refining agent ROL: 1g / L, heat to 80℃ and keep warm for 30 minutes, cool to 65℃, drain water, and then wash with water.

[0064] ② Dyeing, select dyeing formula according to different colors.

[0065] ③ Disperse Red 3B: 0.7%

[0066] Disperse Yellow E-RGFL: 0.3%

[0067] Disperse Blue 2BLN: 0.6%

[0068] Acid HAN: 0.6g / L

[0069] ④Leveling agent: 0.5g / L

[0070] ⑤ Anti-wrinkle agent: 0.5g / L.

[0071] During the dyeing process, the bath ratio is still 1:10, and the temperature is raised to 45℃ for 10 minutes, 65℃ for 10 minutes, 100℃ for 40 minutes, and then lowered to 60℃ for sample comparison. It should be noted that the heating and cooling process is strictly carried out at 1℃ / minute, and the cloth guiding speed is 80m / minute. After draining, wash twice.

[0072] 3. Dehydration and width finishing.

[0073] 4. Shaping and finishing: Use a flat-width shaping machine with a shaping temperature of 170°C, a speed of 35m / min, overfeed of +15, and tension: none.

[0074] 5. Check the rolled packaging.

[0075] See also Figure 7 , Example 2 of the dyeing and finishing process in the manufacturing method of a one-way moisture-conducting quick-drying multifunctional fabric of the present invention, the dyeing process of double-sided knitted fabric (black) is as follows:

[0076] Grey cloth preparation → degreasing → refining → dyeing → opening and finishing → shaping → inspection and packaging.

[0077] Specific process steps:

[0078] 1. Grey cloth preparation: Use a cloth guide machine to evenly arrange the woven grey cloth in the cloth carriage to prevent snagging.

[0079] 2. Fabric dyeing and finishing: Use L-type overflow dyeing machine with bath ratio of 1:10;

[0080] ① Degreasing, the grey cloth is evenly put into the dyeing vat, add degreasing agent TF-115: 1g / L, refining agent ROL: 1g / L, heat to 80℃ and keep warm for 30 minutes, cool to 65℃, drain water, and then wash with water.

[0081] ② Dyeing, select dyeing formula according to different colors.

[0082] ③Dispersed black: 4%

[0083] Glacial acetic acid: 6g / L

[0084] ④Leveling agent: 0.5g / L

[0085] ⑤ Anti-wrinkle agent: 0.5g / L.

[0086] During the dyeing process, the bath ratio is still 1:10, and the step-by-step heating method is used, rising to 45℃ for 10 minutes, 65℃ for 10 minutes, 105℃ for 40 minutes, and then cooling to 60℃. It should be noted that the heating and cooling process is strictly carried out at 1℃ / minute, and the cloth guiding speed is 80m / minute. After draining, wash twice.

[0087] 3. Dehydration and width finishing.

[0088] 4. Shaping and finishing: Use a flat-width shaping machine with a shaping temperature of 170°C, a speed of 35m / min, overfeed of +15, and tension: none.

[0089] 5. Check the rolled packaging.

[0090] Table 2 shows the fabric properties of the unilateral moisture-conducting and quick-drying multifunctional fabric manufactured according to the method for manufacturing the unilateral moisture-conducting and quick-drying multifunctional fabric of the present invention.

[0091]

[0092] The performance index of a unidirectional moisture-conducting multifunctional fabric of the present invention is shown in the inspection results in Table 2, and the cationic moisture-conducting cloth in Table 2 is used as the prior art for comparison. In addition to the outstanding unidirectional moisture-conducting effect, the unidirectional moisture-conducting quick-drying multifunctional fabric of the present invention adopts various raw materials with various functions such as antibacterial, and has excellent dyeing performance and excellent product quality. The color fastness of various items is above grade 4, especially the color fastness to sweat stains, soap washing and sun exposure is more significantly improved. The fabric performance of the embodiment of the present invention is at the leading level in China. The dyeing process complies with the national energy conservation and emission reduction policy, saving more than 30% of energy. The dyeing process is unique, especially the dyeing temperature is maintained between 95°C and 105°C. The product feels soft and elastic, the product quality is guaranteed, and the first-class product rate can reach more than 95%.

[0093] Of course, the above description is not a limitation of the invention, and the invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the invention should also fall within the protection scope of the invention.

Claims

1. A one-way moisture-conducting quick-drying multifunctional fabric, comprising a fabric surface layer, a fabric inner layer, and an intermediate layer connecting the fabric surface layer and the fabric inner layer, characterized in that: The fabric surface layer is woven from hydrophilic modified polyester yarn, the fabric inner layer is woven from water-repellent polyester low-elastic yarn, the middle layer is woven from hydrophilic modified polyester yarn by a computer jacquard circular machine, the hydrophilic modified polyester yarn is an antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature; the antibacterial and bactericidal functional polyester yarn that can be dyed at low temperature includes a coloring layer, an antibacterial layer and a base line; The coloring layer is formed by winding modified polyester fibers, and four groups of side columns are arranged on the outside of the modified polyester fibers, and the tops of the four groups of side columns are all provided with holes and grooves; The antibacterial layer is composed of nano-carbon fibers wound around each other, the interior of the antibacterial layer is inlaid with silver fibers, and the outer sides of the silver fibers are fixedly wound and connected by first fixed fibers and second fixed fibers; The base line is composed of a first bonding fiber and a second bonding fiber intertwined, and the first bonding fiber and the second bonding fiber are mutually staggered and intertwined in a wave-like manner; The manufacturing method of the one-way moisture-conducting quick-drying multifunctional fabric comprises a fabric weaving process step and a dyeing and finishing process step, wherein the fabric weaving process step comprises: Step S1: preparing hydrophilic modified polyester yarn as the raw material for the surface layer and the middle layer of the woven fabric, and preparing water-repellent polyester low-elastic yarn as the raw material for the inner layer of the woven fabric; Step S2: using a computer jacquard circular knitting machine to weave a one-way moisture-conducting and quick-drying multifunctional fabric comprising a fabric surface layer, a middle layer and a fabric inner layer; The dyeing and finishing process steps include: step S3: degreasing → step S4: refining → step S5: dyeing → step S6: cleaning → step S7: shaping; in step S5, the dyeing process temperature range is between 95°C and 105°C; The specific process of the dyeing and finishing process is as follows: add degreasing agent, raise the temperature to 80°C, keep warm for 30 minutes, cool down to room temperature and wash with water; then add refining agent, disperse dye and HAC, continue to heat up to 65°C, keep warm for 15 minutes, then continue to heat up to 100-105°C, keep warm for 30 minutes, then cool down to 60°C, color sample, wash and shape.

2. The one-way moisture-conducting quick-drying multifunctional fabric according to claim 1, characterized in that: The inner side of the coloring layer is woven with a wear-resistant layer, the inner side of the wear-resistant layer is woven with an elastic layer, the inner side of the elastic layer is woven with the antibacterial layer, the inner side of the antibacterial layer is woven with a water-absorbing layer, the inner side of the water-absorbing layer is woven with the baseline, and the elastic layer is composed of spandex fibers.

3. The one-way moisture-conducting quick-drying multifunctional fabric according to claim 1 or 2, characterized in that: The first bonding fiber and the second bonding fiber are both made of silk fiber. The first bonding fiber is obliquely interlaced and wound around the second bonding fiber. The first bonding fiber and the second bonding fiber are connected by at least two layers of weaving.

4. The one-way moisture-conducting quick-drying multifunctional fabric according to claim 1 or 2, characterized in that: The raw material of the low-temperature dyeable antibacterial and bactericidal functional polyester yarn is polyethylene terephthalate, and the cross-section of the low-temperature dyeable antibacterial and bactericidal functional polyester yarn is cross-shaped, W-shaped or S-shaped; the cross-section of the polyester low-elastic yarn is circular.

5. The one-way moisture-conducting quick-drying multifunctional fabric according to claim 3, characterized in that: The low-temperature dyeable antibacterial and bactericidal functional polyester yarn is a semi-dull or fully-dull 50-150D / 36-144F polyester DTY low-elastic yarn, and the polyester low-elastic yarn is a semi-dull or fully-dull 50-100D / 48-144F polyester DTY low-elastic yarn.

6. A method for manufacturing a unidirectional moisture-conducting quick-drying multifunctional fabric as claimed in any one of claims 1 to 5, comprising a fabric weaving process step and a dyeing and finishing process step, characterized in that: The fabric weaving process steps include: Step S1: preparing hydrophilic modified polyester yarn as the raw material for the surface layer and the middle layer of the woven fabric, and preparing water-repellent polyester low-elastic yarn as the raw material for the inner layer of the woven fabric; Step S2: using a computer jacquard circular knitting machine to weave a one-way moisture-conducting and quick-drying multifunctional fabric comprising a fabric surface layer, a middle layer and a fabric inner layer; The dyeing and finishing process steps include: step S3: degreasing → step S4: refining → step S5: dyeing → step S6: cleaning → step S7: shaping; in step S5, the dyeing process temperature range is between 95°C and 105°C; The specific process of the dyeing and finishing process is as follows: add degreasing agent, raise the temperature to 80°C, keep warm for 30 minutes, cool down to room temperature and wash with water; then add refining agent, disperse dye and HAC, continue to heat up to 65°C, keep warm for 15 minutes, then continue to heat up to 100-105°C, keep warm for 30 minutes, then cool down to 60°C, color sample, wash and shape.

7. The method for manufacturing a one-way moisture-conducting quick-drying multifunctional fabric according to claim 6, characterized in that: The degreasing agent is degreasing agent TF-115, and the dosage is 1 g / L; the refining agent is refining agent R01, and the dosage is 1 g / L; the dosage of HAC is 0.6 g / L; in the step S5, the dosage of the high-temperature leveling agent used for dyeing is 0.5 g / L.

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