Production method of breathable dry and comfortable fabric

Abstract

The invention relates to the technical field of knitted fabrics, in particular to a production method of a breathable dry and comfortable fabric, which comprises the following steps: step 1, preparing the following raw materials in parts by weight: 35-40 parts of modified modal fiber filaments, 25-30 parts of functional fiber filaments and 10-15 parts of polyester fiber filaments; step 2, processing the raw materials through an air jet texturing method to obtain blended yarns, and then weaving the blended yarns by adopting a circular knitting machine to obtain the breathable dry and comfortable fabric. According to the breathable dry and comfortable fabric, the functional fiber filaments are matched with the modified modal fiber filaments and the polyester fiber filaments to be processed through an air jet deformation method, then the fabric is woven through a circular knitting machine, and the obtained breathable dry and comfortable fabric has breathability, perspiration, softness and ultraviolet resistance, and the comprehensive performance of a product is obviously coordinated and improved; and the water-resistant stability effect of the product is remarkable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of knitted fabric, and particularly relates to a production method of breathable and dry fabric. BACKGROUND

[0002] In the modern life of pursuing comfort and fashion, the performance of fabric is increasingly concerned. The breathable and dry fabric becomes the research focus in the current textile field because it can quickly absorb moisture and sweat, keep the skin dry, and has excellent breathability. In order to improve the breathability and sweat-releasing performance of the product, the existing fabric is easy to affect the softness and ultraviolet resistance of the product, and it is difficult to coordinate and improve the comprehensive performance of the product, and the poor water resistance of the product further affects the use efficiency. SUMMARY

[0003] In view of the defects of the prior art, the purpose of the present application is to provide a production method of breathable and dry fabric to solve the problems in the background art.

[0004] The present application solves the technical problem by adopting the following technical scheme: The present application provides a production method of breathable and dry fabric, comprising the following steps: Step one, preparing raw materials according to weight parts: 35-40 parts of modified modal fiber filaments, 25-30 parts of functional fiber filaments, and 10-15 parts of polyester fiber filaments; Step two, processing the above raw materials into blended yarns by air jet texturing method, and then weaving by a circular knitting machine to obtain the breathable and dry fabric.

[0005] Preferably, the preparation method of the modified modal fiber filaments is: S1: preparing mesoporous silica-montmorillonite uniform dispersion; S2: adding nanocellulose into ethanol for ultrasonic dispersion according to a weight ratio of (3-5):11, the ultrasonic power is 350-400 W, and the ultrasonic time is 1 h, then adding 5-8% of methyltrimethoxysilane based on the total weight of ethanol, stirring at 50-55 DEG C for 1 h, the stirring speed is 350-400 r / min, and after the stirring is completed, a nanocellulose liquid is obtained; adding 25-30% of the mesoporous silica-montmorillonite uniform dispersion based on the total weight of the nanocellulose liquid into the nanocellulose liquid for sufficient stirring to obtain a modifier based on the nanocellulose combined uniform dispersion; S3: immersing and treating the modal fiber filaments in the modifier based on the nanocellulose combined uniform dispersion for 8-11 times of the total weight of the modal fiber filaments, and after the treatment is completed, drying until the surface moisture content is less than 5% to obtain the modified modal fiber filaments.

[0006] Preferably, the pressure of the infiltration treatment in S3 is 15-20 MPa, the treatment power is 450-500 W, and the treatment time is 1 h.

[0007] Preferably, the specific method for preparing the mesoporous silica-montmorillonite aerogel is as follows: S1a: placing the mesoporous silica in N,N-dimethylformamide in an amount of 5-8 times the total weight of the mesoporous silica, then adding sodium dodecyl amino propionate in an amount of 5-10% of the total weight of the mesoporous silica, ball milling at a speed of 1000-1500 r / min for 2 h, and then performing suction filtration and drying to obtain the modified mesoporous silica; S1b: adding the montmorillonite to the dispersing agent in an amount of 5-8 times the total weight of the montmorillonite, and then performing dispersion treatment to obtain the dispersed montmorillonite agent; S1c: stirring the modified mesoporous silica and the dispersed montmorillonite agent uniformly at a weight ratio of 4:7, and then performing suction filtration and drying to obtain the mesoporous silica-montmorillonite aerogel.

[0008] Preferably, the dispersing agent is composed of nano-alumina, silane coupling agent KH550, acetone, and sodium alginate solution at a mass ratio of (3-5):2:(7-11):(4-7); and the mass fraction of the sodium alginate solution is 5-8%.

[0009] Preferably, the dispersion power in S1b is 350-400 W, and the dispersion time is 1 h.

[0010] Preferably, the method for preparing the functional fiber filament is as follows: S11: performing reaction treatment on the polyethylene fiber filament and the hydrochloric acid solution at a weight ratio of 5:(11-13) at a reaction temperature of 110-120℃ for 3 h, and then performing water-based drying to obtain the hydroxylated polyethylene fiber filament; S12: performing ultrasonic dispersion treatment on the hydroxylated polyethylene fiber filament and the functional liquid at a weight ratio of 5:(11-13), and then drying to a water content of less than 5% to obtain the functional fiber filament. The method for preparing the functional liquid is as follows: blending 3-5 parts by weight of silicon carbide, 1-3 parts by weight of silicon powder, 4-6 parts by weight of vinyltrimethoxysilane, 8-12 parts by weight of acetone, and 2-3 parts by weight of ammonia water to prepare the functional liquid.

[0011] Preferably, the ultrasonic dispersion treatment is performed for 10-20 min at an ultrasonic power of 350-400 W.

[0012] Preferably, the mass fraction of the hydrochloric acid solution is 15-20%.

[0013] Compared with the prior art, the present application has the following beneficial effects: The breathable and dry fabric of the present application is made of functional fiber filaments, modified modal fiber filaments and polyester fiber filaments by air jet texturing method, and then woven by a circular knitting machine. The breathable and dry fabric has the properties of breathability, sweat-wicking, softness and ultraviolet resistance. The comprehensive performance of the product is significantly improved, and the water resistance and stability of the product are remarkably improved. The modified modal fiber filaments are treated by a modifier based on nanofiber combined with a homogeneous dispersoid. The modifier based on nanofiber combined with a homogeneous dispersoid is prepared by mixing and optimizing nanocellulose with ethanol and methyltrimethoxysilane, and then improving the homogeneous dispersoid of mesoporous silica-montmorillonite. The mesoporous silica-montmorillonite homogeneous dispersoid is prepared by ball milling mesoporous silica with N,N-dimethylformamide and sodium dodecylaminopropionate to improve the hydrophobicity of mesoporous silica. The homogeneous dispersoid of montmorillonite is improved by mixing and stirring the raw materials. The homogeneous dispersoid of montmorillonite is prepared by mixing and optimizing nanometer alumina, silane coupling agent KH550, acetone and sodium alginate solution. The homogeneous dispersoid is used to disperse and improve the montmorillonite. The layered structure of montmorillonite is combined with the mesoporous silica system, and the nanometer alumina in the homogeneous dispersoid is mixed. The raw materials in the modifier based on nanofiber combined with a homogeneous dispersoid interact with each other to enhance the breathability, sweat-wicking and hydrophobicity of the modal fiber filaments in the system. The functional fiber filaments are prepared by treating polyethylene fiber filaments with hydrochloric acid solution and then improving them with functional liquid. The functional liquid is prepared by mixing and optimizing silicon carbide, silicon powder, vinyltrimethoxysilane, acetone and ammonia water. Silicon carbide and silicon powder are used as the matrix to enhance the performance stability and coordination of the system. The raw materials such as vinyltrimethoxysilane are mixed and matched with each other to improve the interaction of the raw materials in the functional liquid. The functional fiber filaments are prepared by improving the structure connectivity of the product and further enhancing the performance of the product. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application are described in detail below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0015] The production method of the breathable and dry fabric of the present embodiment includes the following steps: Step one, prepare the raw materials according to the weight parts: Modified modal fiber filament 35-40 parts, functional fiber filament 25-30 parts, polyester fiber filament 10-15 parts; Step two, the above raw materials are processed by air jet texturing method to obtain a blended yarn, and then a circular knitting machine is used to weave to obtain a breathable and dry fabric.

[0016] The preparation method of the modified modal fiber filament of the embodiment is as follows: S1: Prepare mesoporous silica-montmorillonite dispersion; S2: Add nanocellulose into ethanol with a weight ratio of (3-5):11 and ultrasonically disperse uniformly, the ultrasonic power is 350-400W, ultrasonic for 1h, then add 5-8% of methyltrimethoxysilane based on the total weight of ethanol, stir at 50-55℃ for 1h, the stirring speed is 350-400r / min, after stirring, nanocellulose liquid is obtained; Add 25-30% of mesoporous silica-montmorillonite dispersion based on the total weight of nanocellulose liquid into the nanocellulose liquid and stir thoroughly to obtain a modifier based on nanocellulose combined dispersion; S3: The modal fiber filament is immersed in the modifier based on nanocellulose combined dispersion at 8-11 times of the total weight of the modal fiber filament, and after treatment, it is dried to a surface moisture content of less than 5%, and the modified modal fiber filament is obtained.

[0017] The pressure of the immersion treatment in S3 of the embodiment is 15-20MPa, the treatment power is 450-500W, and the treatment time is 1h.

[0018] The specific method for preparing the mesoporous silica-montmorillonite dispersion of the embodiment is as follows: S1a: Put the mesoporous silica into N,N-dimethylformamide at 5-8 times of the total weight of the mesoporous silica, then add 5-10% of sodium dodecylaminopropionate based on the total weight of the mesoporous silica, ball mill at a speed of 1000-1500r / min for 2h, after ball milling, perform suction filtration and drying to obtain modified mesoporous silica; S1b: Disperse the montmorillonite in the dispersing agent at 5-8 times of the total weight of the montmorillonite, and after treatment, obtain dispersed montmorillonite agent; S1c: Stir the modified mesoporous silica and the dispersed montmorillonite agent uniformly at a weight ratio of 4:7, then perform suction filtration and drying to obtain mesoporous silica-montmorillonite dispersion.

[0019] The dispersing agent of the embodiment is composed of nano-alumina, silane coupling agent KH550, acetone and sodium alginate solution at a mass ratio of (3-5):2:(7-11):(4-7); the mass fraction of the sodium alginate solution is 5-8%.

[0020] The uniform dispersion power of the S1b of the embodiment is 350-400W, and the uniform dispersion time is 1h.

[0021] The preparation method of the functional fiber filament of the embodiment is: S11: the polyethylene fiber filament and the hydrochloric acid solution are reacted and treated according to the weight ratio of 5: (11-13), the reaction temperature is 110-120℃, the reaction time is 3h, after the reaction, the water is removed, and the hydroxylated polyethylene fiber filament is obtained after drying; S12: the hydroxylated polyethylene fiber filament and the functional liquid are ultrasonically dispersed according to the weight ratio of 5: (11-13), after the treatment, the moisture content is less than 5% after drying, and the functional fiber filament is obtained; The preparation method of the functional liquid is: The functional liquid is prepared by fully blending 3-5 parts by weight of silicon carbide, 1-3 parts by weight of silicon powder, 4-6 parts by weight of vinyltrimethoxysilane, 8-12 parts by weight of acetone, and 2-3 parts by weight of ammonia.

[0022] The ultrasonic dispersion treatment time of the embodiment is 10-20min, and the ultrasonic power is 350-400W.

[0023] The mass fraction of the hydrochloric acid solution of the embodiment is 15-20%.

[0024] Embodiment 1: a production method of a breathable and dry fabric, comprising the following steps: Step one: prepare raw materials according to weight parts: 35 parts of modified modal fiber filament, 25 parts of functional fiber filament, and 10 parts of polyester fiber filament; Step two: the above raw materials are processed into blended yarn by air jet texturing method, and then knitted on a circular knitting machine to obtain a breathable and dry fabric.

[0025] The preparation method of the modified modal fiber filament of the embodiment is: S1: prepare mesoporous silica-montmorillonite dispersion body; S2: add the nanocellulose into ethanol and ultrasonically disperse uniformly according to the weight ratio of 3:11, the ultrasonic power is 350W, ultrasonic for 1h, then add 5% of the total weight of the nanocellulose liquid of methyltrimethoxysilane, stir at 50℃ for 1h, the stirring speed is 350r / min, after stirring, the nanocellulose liquid is obtained; Add 25% of the total weight of the nanocellulose liquid of the mesoporous silica-montmorillonite dispersion body into the nanocellulose liquid and stir fully to obtain a modifier based on the nanocellulose combined dispersion body; S3: The modal fiber filaments are immersed in a modifier based on the nanofiber combined with the modified dispersion body at 8 times the total weight of the modal fiber filaments, and the immersion treatment is completed, and the surface moisture content is dried to less than 5%, and the modified modal fiber filaments are obtained.

[0026] The pressure of the immersion treatment in S3 of this embodiment is 15 MPa, the treatment power is 450 W, and the treatment time is 1 h.

[0027] The specific method for preparing the mesoporous silica-montmorillonite dispersion body in this embodiment is as follows: S1a: The mesoporous silica is placed in N,N-dimethylformamide at 5 times the total weight of the mesoporous silica, and then 5% of the total weight of the mesoporous silica is added to the mesoporous silica, and ball milling treatment is performed at a ball milling speed of 1000 r / min for 2 h, and the ball milling is completed, and the modified mesoporous silica is obtained by suction filtration and drying; S1b: The montmorillonite is dispersed in a dispersing agent at 5 times the total weight of the montmorillonite, and the dispersion treatment is completed, and the dispersed montmorillonite agent is obtained; S1c: The modified mesoporous silica and the dispersed montmorillonite agent are stirred uniformly at a weight ratio of 4:7, and then suction filtration and drying are performed to obtain the mesoporous silica-montmorillonite dispersion body.

[0028] The dispersing agent in this embodiment is composed of nanometer alumina, silane coupling agent KH550, acetone, and sodium alginate solution at a mass ratio of 3:2:7:4; and the mass fraction of the sodium alginate solution is 5%.

[0029] The dispersion power in S1b of this embodiment is 350 W, and the dispersion time is 1 h.

[0030] The preparation method of the functional fiber filaments in this embodiment is as follows: S11: The polyethylene fiber filaments and the hydrochloric acid solution are reacted at a weight ratio of 5:11, the reaction temperature is 110℃, the reaction time is 3 h, the reaction is completed, and the hydroxylated polyethylene fiber filaments are obtained by water washing and drying; S12: The hydroxylated polyethylene fiber filaments and the functional liquid are ultrasonically dispersed at a weight ratio of 5:11, the treatment is completed, and the functional fiber filaments are obtained by drying to a moisture content of less than 5%; The preparation method of the functional liquid is as follows: 3 parts by weight of silicon carbide, 1 part by weight of silicon powder, 4 parts by weight of vinyltrimethoxysilane, 8 parts by weight of acetone, and 2 parts by weight of ammonia are fully blended to prepare the functional liquid.

[0031] The ultrasonic dispersion treatment time in this embodiment is 10 min, and the ultrasonic power is 350 W.

[0032] The mass fraction of the hydrochloric acid solution of the embodiment is 15%.

[0033] Embodiment 2: A production method of a breathable dry fabric, comprising the following steps: Step one, prepare raw materials according to weight parts: Modified modal fiber filaments 40 parts, functional fiber filaments 30 parts, polyester fiber filaments 15 parts; Step two, process the above raw materials into blended yarns by air jet texturing method, and then weave by using a circular knitting machine to obtain a breathable dry fabric.

[0034] The preparation method of the modified modal fiber filaments of the embodiment is: S1: Prepare mesoporous silica-montmorillonite uniform dispersion; S2: Add nanocellulose into ethanol at a weight ratio of 5:11 and uniformly ultrasonic disperse, the ultrasonic power is 400W, ultrasonic for 1h, then add 8% of the total weight of ethanol methyltrimethoxysilane, stir at 55℃ for 1h, the stirring speed is 400r / min, after stirring, obtain nanocellulose liquid; Add 30% of the total weight of the nanocellulose liquid into the mesoporous silica-montmorillonite uniform dispersion and stir fully to obtain a modifier based on the nanofiber combined uniform dispersion; S3: Put the modal fiber filaments into the modifier based on the nanofiber combined uniform dispersion at 11 times of the total weight of the modal fiber filaments for infiltration treatment, after treatment, dry to less than 5% of the surface moisture content, and then obtain the modified modal fiber filaments.

[0035] The pressure of the infiltration treatment in S3 of the embodiment is 20MPa, the treatment power is 500W, and the treatment time is 1h.

[0036] The specific method for preparing the mesoporous silica-montmorillonite uniform dispersion of the embodiment is: S1a: Put the mesoporous silica into N,N-dimethylformamide at 8 times of the total weight of the mesoporous silica, then add 10% of the total weight of the mesoporous silica sodium dodecyl amino propionate, ball mill treatment, the ball mill speed is 1500r / min, ball mill for 2h, after ball mill, suction filtration and drying to obtain modified mesoporous silica; S1b: Put the montmorillonite into the uniform dispersion agent at 8 times of the total weight of the montmorillonite for uniform dispersion treatment, after treatment, obtain the uniform dispersion montmorillonite agent; S1c: Stir the modified mesoporous silica and the uniform dispersion montmorillonite agent uniformly at a weight ratio of 4:7, then suction filtration and drying to obtain the mesoporous silica-montmorillonite uniform dispersion.

[0037] The uniform dispersing agent of the embodiment is composed of nano-alumina, silane coupling agent KH550, acetone and sodium alginate solution in a mass ratio of 5:2:11:7; the mass fraction of the sodium alginate solution is 8%.

[0038] The uniform dispersion power of the uniform dispersion treatment in S1b of the embodiment is 400 W, and the uniform dispersion time is 1 h.

[0039] The preparation method of the functional fiber filament of the embodiment is as follows: S11: polyethylene fiber filaments and hydrochloric acid solution are reacted and treated in a weight ratio of 5:13, the reaction temperature is 120 DEG C, the reaction time is 3 h, after the reaction, water-based and drying are performed to obtain hydroxylated polyethylene fiber filaments; S12: the hydroxylated polyethylene fiber filaments and the functional liquid are ultrasonically dispersed and treated in a weight ratio of 5:13, after the treatment, drying is performed until the water content is less than 5%, to obtain functional fiber filaments; The preparation method of the functional liquid is as follows: 5 parts by weight of silicon carbide, 3 parts by weight of silicon powder, 6 parts by weight of vinyl trimethoxysilane, 12 parts by weight of acetone and 3 parts by weight of ammonia are fully blended to prepare the functional liquid.

[0040] The ultrasonic dispersion treatment time of the embodiment is 20 min, and the ultrasonic power is 400 W.

[0041] The mass fraction of the hydrochloric acid solution of the embodiment is 20%.

[0042] Embodiment 3: a production method of a breathable and dry fabric, comprising the following steps: Step one: preparing raw materials according to weight parts: modified modal fiber filaments 37.5 parts, functional fiber filaments 27.5 parts, and polyester fiber filaments 12.5 parts; Step two: the above raw materials are processed into blended yarns by air jet texturing method, and then knitted on a circular knitting machine to obtain a breathable and dry fabric.

[0043] The preparation method of the modified modal fiber filaments of the embodiment is as follows: S1: preparing mesoporous silica-montmorillonite uniform dispersion body; S2: nano-cellulose is ultrasonically dispersed in ethanol in a weight ratio of 4:11, the ultrasonic power is 375 W, and the ultrasonic time is 1 h, then 6.5% of methyltrimethoxysilane based on the total weight of ethanol is added, stirring is performed at 52.5 DEG C for 1 h, the stirring speed is 375 r / min, and after stirring, nano-cellulose liquid is obtained; 27.5% of mesoporous silica-montmorillonite uniform dispersion body based on the total weight of nano-cellulose liquid is added to the nano-cellulose liquid and stirred sufficiently to obtain a modifier based on a nano-cellulose combined uniform dispersion body. S3: The modal fiber is immersed in a modifier based on the nanofiber combined mesoporous body at 9 times the total weight of the modal fiber, and the immersion treatment is completed. The modified modal fiber filament is obtained after drying to a surface moisture content of less than 5%.

[0044] The pressure of the immersion treatment in S3 of this example is 17.5 MPa, the treatment power is 475 W, and the treatment time is 1 h.

[0045] The specific method for preparing the mesoporous silica-montmorillonite mesoporous body in this example is as follows: S1a: The mesoporous silica is placed in N,N-dimethylformamide at 6.5 times the total weight of the mesoporous silica, and then 7.5% of sodium dodecyl amino propionate based on the total weight of the mesoporous silica is added. Ball milling treatment is performed at a ball milling speed of 1250 r / min for 2 h. After the ball milling treatment is completed, the product is extracted and dried to obtain modified mesoporous silica. S1b: The montmorillonite is dispersed in a dispersing agent at 6.5 times the total weight of the montmorillonite, and the dispersion treatment is completed to obtain dispersed montmorillonite agent. S1c: The modified mesoporous silica and the dispersed montmorillonite agent are stirred uniformly at a weight ratio of 4:7, and then extracted and dried to obtain a mesoporous silica-montmorillonite mesoporous body.

[0046] The dispersing agent in this example is composed of nano-alumina, silane coupling agent KH550, acetone, and sodium alginate solution at a mass ratio of 4:2:9:5.5. The mass fraction of the sodium alginate solution is 6.5%.

[0047] The dispersion power in S1b of this example is 375 W, and the dispersion time is 1 h.

[0048] The preparation method of the functional fiber filament in this example is as follows: S11: The polyethylene fiber filament and the hydrochloric acid solution are reacted at a weight ratio of 5:12 at a reaction temperature of 115°C for 3 h. After the reaction is completed, the product is washed with water and dried to obtain a hydroxylated polyethylene fiber filament. S12: The hydroxylated polyethylene fiber filament and the functional liquid are ultrasonically dispersed at a weight ratio of 5:12. After the treatment is completed, the product is dried to a moisture content of less than 5% to obtain a functional fiber filament. The preparation method of the functional liquid is as follows: 4 parts by weight of silicon carbide, 2 parts by weight of silicon powder, 5 parts by weight of vinyl trimethoxysilane, 10 parts by weight of acetone, and 2.5 parts by weight of ammonia water are thoroughly blended to prepare the functional liquid.

[0049] The ultrasonic dispersion treatment time in this example is 15 min, and the ultrasonic power is 375 W.

[0050] The mass fraction of the hydrochloric acid solution of the present embodiment is 17.5%.

[0051] Comparative Example 1: The difference between Example 3 and Comparative Example 1 is that the modified modal fiber filaments are not added.

[0052] Comparative Example 2: The difference between Example 3 and Comparative Example 2 is that the modified modal fiber filaments are not subjected to the modifier infiltration treatment based on the nanofiber combined with the isotropic body in the preparation of the modified modal fiber filaments.

[0053] Comparative Example 3: The difference between Example 3 and Comparative Example 3 is that the mesoporous silica-montmorillonite isotropic body is not added in the preparation of the modifier based on the nanofiber combined with the isotropic body.

[0054] Comparative Example 4: The difference between Example 3 and Comparative Example 4 is that the modified mesoporous silica is not added in the preparation of the mesoporous silica-montmorillonite isotropic body.

[0055] Comparative Example 5: The difference between Example 3 and Comparative Example 5 is that the isotropic montmorillonite agent is not added in the preparation of the mesoporous silica-montmorillonite isotropic body.

[0056] Comparative Example 6: The difference between Example 3 and Comparative Example 6 is that the isotropic agent is not added in the preparation of the isotropic montmorillonite agent.

[0057] Comparative Example 7: The difference between Example 3 and Comparative Example 7 is that the nanometer alumina and sodium alginate solution are not added in the isotropic agent.

[0058] Comparative Example 8: The difference between Example 3 and Comparative Example 8 is that the preparation method of the nanocellulose solution is different, and the nanocellulose is not added. The specific preparation method is: 6:5% of methyltrimethoxysilane is added to ethanol, and stirred uniformly.

[0059] Comparative Example 9: The difference between Example 3 and Comparative Example 9 is that the functional fiber filaments are not added.

[0060] Comparative Example 10: The difference between Example 3 and Comparative Example 10 is that the functional liquid is not subjected to ultrasonic dispersion treatment in the preparation of the functional fiber filaments.

[0061] Comparative Example 11: The difference between Example 3 and Comparative Example 11 is that the silicon carbide and silicon powder are not added in the functional liquid.

[0062] Comparative Example 12: The difference between Example 3 and Comparative Example 12 is that the vinyltrimethoxysilane and ammonia are not added in the functional liquid.

[0063] The air permeability, sweat releasing property, softness and ultraviolet resistance of the products of Examples 1-3 and Comparative Examples 1-12 are tested, and the test results are shown in Table 1.

[0064] Table 1: Test results of product performance of Examples 1-3 and Comparative Examples 1-12 As can be seen from Comparative Examples 1-12 and Examples 1-3, the product of Example 3 has excellent air permeability, sweat releasing property, softness and ultraviolet resistance, the air permeability of Example 3 can be as high as 653 mm / s, the ultraviolet protection factor is as high as 88.9, the softness is as low as 7.4 mN, and the moisture evaporation rate is as high as 0.45 g / h; As can be seen from Comparative Examples 1-12 and Example 3, without adding one of the modified modal fiber filaments and the functional fiber filaments, the performance of the product is significantly deteriorated, and the performance of the product is obviously improved by blending and coordinating the two. In the preparation of the modified modal fiber filaments, the modifier infiltration treatment based on the nanofiber combined with the uniform dispersoid is not used, in the preparation of the modifier based on the nanofiber combined with the uniform dispersoid, the mesoporous silica-montmorillonite uniform dispersoid is not added, in the preparation of the mesoporous silica-montmorillonite uniform dispersoid, the modified mesoporous silica is not added, in the preparation of the mesoporous silica-montmorillonite uniform dispersoid, the uniform montmorillonite agent is not added, in the preparation of the uniform montmorillonite agent, the uniformizing agent is not added, in the uniformizing agent, the nanometer alumina and sodium alginate solution are not added, and the preparation method of the nanocellulose solution is different, and the performance of the product has a different degree of deterioration trend. The uniform montmorillonite agent obtained by the uniformizing of the uniformizing agent prepared by the specific method of the application, and the mesoporous silica-montmorillonite uniform dispersoid made of the modified mesoporous silica, and the modified modal fiber filaments treated by the modifier infiltration treatment based on the nanofiber combined with the uniform dispersoid obtained by the specific method of the application, the performance of the product is the most obvious, and the effect of the application is not as obvious as other methods. In the preparation of the functional fiber filaments, the functional liquid is not added for ultrasonic dispersion treatment, the silicon carbide and silicon powder are not added in the functional liquid, the vinyl trimethoxysilane and ammonia are not added in the functional liquid, and the performance of the product has a different degree of deterioration trend, and the functional fiber filaments made of the functional liquid improved by the specific method of the application have the most obvious performance effect.

[0065] Meanwhile, the water resistance of the products of Examples 1-3 and Comparative Examples 1-12 is tested, and the test results are shown in Table 2.

[0066] Table 2: Test results of water resistance of products of Examples 1-3 and Comparative Examples 1-12 From the comparative examples 1-12 and the example 3, it can be seen that the water contact angle and the hydrostatic pressure resistance of the product are obviously deteriorated without adding one of the modified modal fiber filaments and the functional fiber filaments, and only by blending and coordinating the modified modal fiber filaments and the functional fiber filaments, the water resistance of the product is the most excellent; at the same time, the performance of the product is deteriorated by using the modified modal fiber filaments and the functional fiber filaments prepared by different methods, and only by using the raw material formula and the process of the application, the performance of the product is the most significant.

[0067] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics thereof. The presently disclosed embodiments are therefore considered in all respects to be illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

[0068] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification need necessarily contain every feature described herein. The specification, therefore, is intended to be interpreted in the broadest possible sense in order to include all equivalents of the described embodiments.

Claims

1. A method for producing a breathable and dry fabric, characterized in that, Includes the following steps: Step 1: Prepare the ingredients according to the specified weight portions: 35-40 parts modified modal fiber filament, 25-30 parts functional fiber filament, and 10-15 parts polyester fiber filament; Step two: The above raw materials are processed into blended yarns by air jet texturing, and then woven using a circular knitting machine to obtain breathable and dry fabric.

2. The method for producing a breathable and dry fabric according to claim 1, characterized in that, The method for preparing the modified modal fiber filament is as follows: S1: Preparation of mesoporous silica-montmorillonite homogeneous dispersion; S2: Add nanocellulose to ethanol at a weight ratio of (3-5):11 and ultrasonically disperse it evenly. The ultrasonic power is 350-400W and the ultrasonication is performed for 1 hour. Then add 5-8% of the total weight of ethanol in methyltrimethoxysilane and stir at 50-55℃ for 1 hour at a stirring speed of 350-400r / min. After stirring, the nanocellulose solution is obtained. Add 25-30% of the total weight of the nanocellulose solution to the nanocellulose solution and stir thoroughly to obtain a modifier based on the nanofiber co-dispersed homogeneous material. S3: The modal fiber filaments are immersed in a modifier based on nanofiber co-dispersible material, which is 8-11 times the total weight of the modal fiber filaments, for wetting treatment. After treatment, the filaments are dried until the surface moisture content is less than 5% to obtain the modified modal fiber filaments.

3. The method for producing a breathable and dry fabric according to claim 2, characterized in that, The impregnation treatment described in S3 has a pressure of 15-20 MPa, a treatment power of 450-500 W, and a treatment time of 1 hour.

4. The method for producing a breathable and dry fabric according to claim 2, characterized in that, The specific method for preparing mesoporous silica-montmorillonite homogeneous dispersions is as follows: S1a: Place mesoporous silica in N,N-dimethylformamide at 5-8 times the total weight of the mesoporous silica, then add sodium dodecylaminopropionate at 5-10% of the total weight of the mesoporous silica, and ball mill at 1000-1500 r / min for 2 h. After ball milling, filter and dry to obtain modified mesoporous silica. S1b: Add montmorillonite to a dispersant of 5-8 times its total weight and disperse it. After the treatment is completed, a uniformly dispersed montmorillonite agent is obtained. S1c: Modified mesoporous silica and uniformly dispersed montmorillonite are mixed evenly at a weight ratio of 4:7, then filtered and dried to obtain a uniformly dispersed mesoporous silica-montmorillonite mixture.

5. The method for producing a breathable and dry fabric according to claim 4, characterized in that, The dispersant is composed of nano-alumina, silane coupling agent KH550, acetone and sodium alginate solution in a mass ratio of (3-5):2:(7-11):(4-7); wherein the mass fraction of sodium alginate solution is 5-8%.

6. The method for producing a breathable and dry fabric according to claim 4, characterized in that, The uniform distribution power in S1b is 350-400W, and the uniform distribution time is 1h.

7. The method for producing a breathable and dry fabric according to claim 1, characterized in that, The method for preparing the functional fiber filament is as follows: S11: Polyethylene fiber filaments and hydrochloric acid solution are reacted at a weight ratio of 5:(11-13) at a temperature of 110-120℃ for 3 hours. After the reaction is completed, the solution is water-soluble and dried to obtain hydroxylated polyethylene fiber filaments. S12: Hydroxylated polyethylene fiber filaments and functional liquid are ultrasonically dispersed at a weight ratio of 5:(11-13). After the treatment is completed, the filaments are dried until the moisture content is less than 5% to obtain functional fiber filaments. The preparation method of the functional liquid is as follows: The functional liquid is prepared by thoroughly mixing 3-5 parts by weight of silicon carbide, 1-3 parts by weight of silicon powder, 4-6 parts by weight of vinyltrimethoxysilane, 8-12 parts by weight of acetone and 2-3 parts by weight of ammonia.

8. The method for producing a breathable and dry fabric according to claim 7, characterized in that, The ultrasonic dispersion treatment time is 10-20 minutes, and the ultrasonic power is 350-400W.

9. The method for producing a breathable and dry fabric according to claim 7, characterized in that, The hydrochloric acid solution has a mass fraction of 15-20%.

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