CN117431683A

CN117431683A - High-color-fastness wear-resistant four-side stretch fabric and production process thereof

Info

Publication number: CN117431683A
Application number: CN202311753634.XA
Authority: CN
Inventors: 杨丽英
Original assignee: Wujiang Shuangying Chemical Fiber Weaving Industry Co ltd
Current assignee: Wujiang Shuangying Chemical Fiber Weaving Industry Co ltd
Priority date: 2023-12-20
Filing date: 2023-12-20
Publication date: 2024-01-23
Anticipated expiration: 2043-12-20
Also published as: CN117431683B

Abstract

The application relates to the technical field of functional fabrics, and particularly discloses a high-color-fastness wear-resistant four-side stretch fabric and a production process thereof, wherein the production process of the four-side stretch fabric comprises the following steps: blending the modified composite fiber and the modified polyester fiber, and then making an outer covering yarn, wherein the modified spandex is used as an inner core yarn, and covering to obtain the covering yarn; twisting the core-spun yarn to obtain warp yarn and weft yarn respectively, placing the warp yarn and the weft yarn in dyeing slurry for dyeing, washing with water and drying to obtain dyed warp yarn and dyed weft yarn; weaving the dyed warp yarns and weft yarns by adopting a 2/1 twill weave to obtain the required high-color-fastness wear-resistant four-side stretch fabric; the four-side stretch fabric is manufactured by the production process, the production process is simple, the four-side stretch fabric is directly woven after dyeing the warp and weft yarns, no post treatment is needed, the obtained four-side stretch fabric is good in elasticity and wear resistance, high in dye-uptake and color fastness, and meanwhile, the four-side stretch fabric has excellent performances of moisture absorption, ventilation, antibiosis, mildew resistance and the like.

Description

High-color-fastness wear-resistant four-side stretch fabric and production process thereof

Technical Field

The application relates to the technical field of functional fabrics, in particular to a high-color-fastness wear-resistant four-side stretch fabric and a production process thereof.

Background

In recent years, along with the continuous improvement of the health consciousness of people, the popularization of body-building exercises of the whole people, more and more people are added into body-building teams, and the development prospect of the sports clothes is good. The four-side stretch fabric is a novel elastic fabric, and elastic yarns are used in the warp and weft directions of the fabric, so that the fabric has excellent stretching rebound performance in both the warp and weft directions. The four-side elastic fabric is more suitable for the movement of human body, is flexible, comfortable and has good shape retention. The four-side stretch fabric not only can adapt to various activities of the body, but also can well show the beautiful line of the body, and is widely applied to producing sportswear, sports pants, outdoor casual pants, coat and other clothes.

The four-side stretch fabrics commonly used in the market are mostly formed by blending a plurality of high-elasticity fibers such as polyester fibers and spandex, and the four-side stretch fabrics obtained by blending the polyester fibers and the spandex have a plurality of excellent performances, but in a dyeing performance method, the four-side stretch fabrics have the phenomena of unsatisfactory indexes such as dye-uptake, color fastness and the like, and color difference and the like can occur after dyeing and finishing; in addition, polyester fiber and spandex have poor moisture absorption and air permeability, can not be discharged in time when sweat stains exist, and have the problems of rapid propagation of microorganisms, odor generation and the like. In the related art, in order to improve the comprehensive performance of the four-sided stretch fabric, the surface of the fabric is generally modified by adopting methods such as dipping, spraying and the like so as to obtain an ideal effect. The modification method can improve the comprehensive performance of the four-side stretch fabric to a certain extent, but has poor water resistance and durability. Based on the above statement, the application provides a high-color-fastness wear-resistant tetrahedral elastic fabric and a production process thereof.

Disclosure of Invention

In order to produce the four-side stretch fabric with high dye-uptake, high color fastness, high wear resistance, good moisture absorption and ventilation and good antibacterial and antistatic effects, the application provides the wear-resistant four-side stretch fabric with high color fastness and the production process thereof.

In a first aspect, the present application provides a production process of a wear-resistant tetrahedral elastic fabric with high color fastness, which adopts the following technical scheme:

a production process of a high-color-fastness wear-resistant four-side stretch fabric comprises the following production steps:

s1, blending modified composite fibers and modified polyester fibers according to a blending ratio of 60:40 to obtain blended yarns, wherein modified spandex is used as inner core yarns, the blended yarns are outer wrapping yarns, and the wrapping rate is controlled to be 35-45%, so that the core-spun yarns are obtained;

s2, twisting the core-spun yarn to obtain warp yarn and weft yarn respectively, placing the warp yarn and the weft yarn in dyeing slurry for dyeing, and then washing and drying to obtain dyed warp yarn and dyed weft yarn;

s3, weaving the dyed warp yarns and weft yarns by adopting a 2/1 twill weave to obtain the required high-color-fastness wear-resistant tetrahedral elastic fabric.

Preferably, the twist direction of the blended yarn in the step S1 is Z, and the twist is 400-500 twists/m.

Preferably, the control traction multiple of the core-spun yarn in the step S1 is 3-3.5 times, the twisting direction is Z, and the twisting degree is 450-500 twists/m.

Preferably, the modified composite fiber in the step S1 is prepared by the following method:

adding lignocellulose and cellulose acetate into the modification solution at 60-70 ℃ according to the mass ratio of 18-20:1:40-42, uniformly mixing to obtain a spinning solution, and carrying out electrostatic spinning on the spinning solution to obtain the modified composite fiber.

Preferably, the modifying liquid is prepared by the following method:

adding 1-butyl-3-methylimidazole acetate and 1-butyl-3-methylimidazole mesylate into a sodium silicate aqueous solution with the mass fraction of 18-25wt%, and stirring and mixing uniformly at the temperature of 60-70 ℃ to obtain a modified liquid.

Preferably, the process parameters of the electrostatic spinning are as follows: the voltage is 10-20kV, the fluid supply speed is 0.2-0.4mL/h, the ambient humidity is 20-30%, the receiving distance is 15cm, the inner hole of the spinneret is 0.15mm, and the temperature is 30-40 ℃.

Preferably, the modified polyester fiber in the step S1 is prepared by the following method:

100 parts by weight of polyester rubber, 18-22 parts by weight of acrylic acid-2-hydroxyethyl ester, 10-15 parts by weight of nanometer far infrared ceramic powder, 3-5 parts by weight of hydroxypropyl-beta-cyclodextrin, 1-3 parts by weight of sodium stearate and 1-3 parts by weight of silane coupling agent KH-580 are uniformly stirred and mixed, extruded, granulated and melt spun to obtain the modified polyester fiber.

Preferably, the process parameters of the melt spinning are as follows: the melt spinning temperature is 220-260 ℃, the winding speed is 800-1000m/min, the first hot roller drafting temperature is 70-80 ℃, the second hot roller drafting temperature is 85-95 ℃, and the drafting multiplying power is 1.8-2.2 times.

Preferably, the modified spandex in the step S1 is prepared by the following method:

adding 2-5 parts by weight of nano silicon dioxide and 2-5 parts by weight of nano zinc oxide into 50-60 parts by weight of silane coupling agent hydrolysate, performing ultrasonic dispersion treatment, adding 40-60 parts by weight of thermoplastic polyurethane powder, 1-3 parts by weight of sophorolipid and 30-50 parts by weight of 1, 3-butanediol aqueous solution with the mass fraction of 30-40%, and uniformly stirring and mixing to obtain treatment solution;

the spandex yarn is passed through the treatment liquid at a speed of 1.8-2.5m/min, and then dried for 5-8min under the hot air of 100-120 ℃ to obtain the modified spandex.

Preferably, the silane coupling agent hydrolysate is prepared by the following method:

adding a silane coupling agent KH-602 and a silane coupling agent KH-550 into an ethanol water solution with the mass fraction of 68-78wt% according to the mass ratio of 1:1:44-48, and carrying out hydrolysis reaction for 1-2h at the temperature of 65-75 ℃ to obtain a silane coupling agent hydrolysate.

Preferably, the ultrasonic power is 550-650W, the ultrasonic frequency is 65-85kHz, and the ultrasonic time is 20-30min.

Preferably, in the step S2, the core-spun yarn is twisted, the twisting direction is controlled to be S, the twisting degree is 700-750 twists/m, the warp yarn is obtained, the twisting direction is controlled to be S, the twisting degree is controlled to be 380-420 twists/m, and the weft yarn is obtained.

Preferably, the dyeing paste in the step S2 is prepared by the following method: adding 2-4 parts by weight of disperse dye, 0.5-1 part by weight of emulsifier, 1-3 parts by weight of zinc nitrate and 1-3 parts by weight of sodium carbonate into 100-120 parts by weight of propylene glycol aqueous solution, adding mixed acid to adjust the pH value to 3.8-4.5, and preparing to obtain dyeing slurry.

Preferably, the disperse dye is at least one of disperse red, disperse blue, disperse yellow, disperse violet and disperse orange.

Preferably, the mixed acid comprises formic acid and ferulic acid in a mass ratio of 1:3-5.

Preferably, the dyeing process parameters in the step S2 are as follows: the bath ratio is 1:12-18, the initial temperature of the dyeing slurry is 30-45 ℃, the heating rate is 2-3 ℃/min, the dyeing temperature is 60-80 ℃, and the dyeing time is 30-50min.

Preferably, the weaving process parameters in the step S3 are as follows: the total warp count is 7980, the upper loom width is 57cm, the upper loom density is 140 pieces/10 cm, the upper loom weft density is 118 pieces/10 cm, the reed number is 51, the penetration count is 2 pieces/reed, the finished product width is 70cm, the lower loom warp density is 114 pieces/10 cm, the lower loom weft density is 122 pieces/10 cm, the warp knitting shrinkage rate is 7%, and the weft knitting shrinkage rate is 4.8%.

In a second aspect, the application provides a wear-resistant tetrahedral elastic fabric with high color fastness, which adopts the following technical scheme:

the high-color-fastness wear-resistant tetrahedral elastic fabric is produced by the production process of the high-color-fastness wear-resistant tetrahedral elastic fabric.

In summary, the present application has the following beneficial effects:

1. according to the preparation method, lignocellulose and cellulose acetate are mixed for spinning, so that the prepared modified composite fiber has the excellent performances of lignocellulose and cellulose acetate; the modified polyester fiber modified by the method is favorable for coloring uniformly in the subsequent dyeing process, and is further improved in elasticity, moisture absorption and air permeability and excellent in comprehensive performance.

2. The modified polyester fiber is prepared by co-melt spinning polyester rubber, acrylic acid-2-hydroxyethyl ester, nanometer far infrared ceramic powder, hydroxypropyl-beta-cyclodextrin, sodium stearate and a silane coupling agent, and the addition of the acrylic acid-2-hydroxyethyl ester can improve the dyeing property of the modified polyester fiber while guaranteeing the strength and durability of the modified polyester fiber; the addition of the nano health-care filler (nano far infrared ceramic powder) can endow the modified polyester fiber with health-care, antibacterial and other performances, increase the specific surface area of the modified polyester fiber and improve the surface performance of the modified polyester fiber, thereby improving the characteristics of moisture absorption, perspiration, quick drying and the like of the modified polyester fiber; the hydroxypropyl-beta-cyclodextrin can enhance the adaptability of the modified polyester fiber to temperature and humidity, improve the dyeing property, enhance the surface adsorptivity, the moisture absorption and air permeability and the like of the modified polyester fiber, and the raw materials are matched with each other, so that the antibacterial property, the dyeing property and the moisture absorption and air permeability of the modified polyester fiber can be obviously improved while the excellent property of the polyester fiber is maintained.

3. After the nano silicon dioxide and the nano zinc oxide are modified by utilizing the compound silane coupling agent hydrolysate, the modified nano silicon dioxide and the nano zinc oxide are co-melted with thermoplastic polyurethane powder, sophorolipid and 1,3 butanediol to obtain a treatment liquid, the treatment liquid adopts the thermoplastic polyurethane powder as a base material, so that the tight surface close combination with spandex filaments can be ensured, the stability and the durability of modified spandex can be improved, and the silane coupling agent hydrolysate can improve the dispersion of the nano silicon dioxide and the nano zinc oxideThe silane coupling agent is dispersed in the treatment liquid more uniformly, and can form more stable chemical bonds on the surfaces of the nano silicon dioxide and the nano zinc oxide by combining ultrasonic treatment, so that the surface bonding capacity of the silane coupling agent is enhanced, and the adhesiveness between the treatment liquid and the spandex filaments is enhanced; by adding sophorolipid, uniform disperse phase can be formed in the treatment liquid, which is helpful for improving fluidity and processing performance of the treatment liquid, and further improving adhesion performance of the treatment liquid, thereby enhancing surface adhesive strength and durability with spandex filamentsSex.

4. According to the method, disperse dye is adopted to prepare dyeing slurry, and zinc nitrate and sodium carbonate are added through compounding, so that on one hand, the disperse state of dye particles can be stabilized, precipitation or aggregation of the dyeing slurry is prevented, and the dispersibility of dye pigments is remarkably improved; on the other hand, the method is beneficial to improving the solubility and ion exchange capacity of the dye, so that the dye can better act on the fiber material, and the dyeing effect and the dyeing uniformity are improved; the compound addition of zinc nitrate and sodium carbonate can also improve the durability and light resistance of the dye, improve the compatibility between the dye and the fiber material, and strengthen the affinity of the dye to the fiber material, thereby improving the uniformity and firmness of dyeing; the mixed acid prepared from formic acid and ferulic acid is used for adjusting the pH value of the dyeing slurry, so that the affinity of the dyeing slurry can be remarkably improved, the prepared dyeing slurry is mild and easy to dye, the elasticity of the fabric is protected from being damaged, the soft hand feeling of the fabric is ensured, and meanwhile, the problems of dyeing patterns, uneven dyeing, poor color fastness and the like of the fabric are effectively avoided.

5. According to the method, the modified spandex is coated after the modified composite fiber and the modified polyester fiber are blended to obtain the core spun yarn, the obtained core spun yarn is good in elasticity and stretching rebound resilience, good in moisture absorption and air permeability, easy to dye and high in color fastness, the core spun yarn is twisted to be made into warp yarns and weft yarns, the four-side stretch fabric is directly woven after being dyed, no post-treatment is needed, the production process is simple, the obtained four-side stretch fabric is full and uniform in color, soft and fluffy, good in elasticity and elastic recovery, good in wear resistance, comfortable in skin, high in dye-uptake and color fastness, and excellent in performances such as moisture absorption and air permeability, antibacterial and mildew resistance.

Detailed Description

In order that the embodiments of the present application may be more readily understood, the present application will be described in detail with reference to specific preparations, examples and comparative examples, which are for illustrative purposes only and are not limited in scope to the application.

The procedures, conditions, reagents, experimental methods, etc. for carrying out the present application are common knowledge and common knowledge in the art, except for the following specific references, and the present invention is not particularly limited.

Preparation examples 1-3 and comparative preparation examples 1-3 provide methods for preparing modified composite fibers.

Preparation example 1

The modified composite fiber is prepared by the following method:

adding a sodium silicate aqueous solution (sodium silicate modulus is 2.0, brand is Dongyue) with the mass fraction of 18wt% into 1-butyl-3-methylimidazole acetate (CAS number: 284049-75-8) and 1-butyl-3-methylimidazole mesylate (CAS number: 342789-81-5) according to the mass ratio of 1:2:28, and stirring and mixing at the temperature of 70 ℃ for 18min at the rotating speed of 500r/min to obtain a modified liquid;

adding lignocellulose (product number JBXXW, brand name of Xinyuan cellulose) and cellulose acetate (CAS number: 9004-35-7) into the modified liquid at 70 ℃ according to the mass ratio of 18:1:40, uniformly mixing to obtain a spinning solution, and carrying out electrostatic spinning on the spinning solution to obtain modified composite fibers, wherein the electrostatic spinning process parameters are as follows: the voltage is 10kV, the fluid supply speed is 0.2mL/h, the ambient humidity is 20%, the receiving distance is 15cm, the inner hole of the spinneret is 0.15mm, and the temperature is 30 ℃.

Preparation example 2

The modified composite fiber is prepared by the following method:

adding a sodium silicate aqueous solution (sodium silicate modulus is 2.0, brand is Dongyue) with the mass fraction of 22wt% into 1-butyl-3-methylimidazole acetate (CAS number: 284049-75-8) and 1-butyl-3-methylimidazole mesylate (CAS number: 342789-81-5) according to the mass ratio of 1:1:30, and stirring and mixing at the temperature of 65 ℃ for 18min at the rotating speed of 500r/min to obtain a modified liquid;

Adding lignocellulose (product number JBXXW, brand name is Xinyuan cellulose) and cellulose acetate (CAS number: 9004-35-7, brand name is Hua Xiangke clean) into the modified liquid at 65 ℃ according to the mass ratio of 19:1:41, uniformly mixing to obtain a spinning solution, and carrying out electrostatic spinning on the spinning solution to obtain modified composite fibers, wherein the electrostatic spinning process parameters are as follows: the voltage is 15kV, the fluid supply speed is 0.3mL/h, the ambient humidity is 25%, the receiving distance is 15cm, the inner hole of the spinneret is 0.15mm, and the temperature is 35 ℃.

Preparation example 3

The modified composite fiber is prepared by the following method:

adding 25wt% sodium silicate aqueous solution (sodium silicate modulus is 2.0, brand is Dongyue) into 1-butyl-3-methylimidazole acetate (CAS number: 284049-75-8) and 1-butyl-3-methylimidazole mesylate (CAS number: 342789-81-5) according to the mass ratio of 2:1:32, stirring and mixing at 60 ℃ for 18min at a rotating speed of 500r/min to obtain a modified liquid;

adding lignocellulose (product number JBXXW, brand name is Xinyuan cellulose) and cellulose acetate (CAS number: 9004-35-7, brand name is Hua Xiangke clean) into the modified liquid at 60 ℃ according to the mass ratio of 20:1:42, uniformly mixing to obtain a spinning solution, and carrying out electrostatic spinning on the spinning solution to obtain modified composite fibers, wherein the technological parameters of electrostatic spinning are as follows: the voltage is 20kV, the fluid supply speed is 0.4mL/h, the ambient humidity is 30%, the receiving distance is 15cm, the inner hole of the spinneret is 0.15mm, and the temperature is 40 ℃.

Comparative preparation example 1

The modified composite fiber is prepared by the following method:

adding 1-butyl-3-methylimidazole acetate (CAS number: 284049-75-8) into an 18wt% sodium silicate aqueous solution (sodium silicate modulus is 2.0, brand name is east Yue) according to a mass ratio of 3:28, stirring and mixing at a temperature of 70 ℃ at a rotating speed of 500r/min for 18min to obtain a modified liquid;

adding lignocellulose (product number JBXXW, brand name is Xinyuan cellulose) and cellulose acetate (CAS number: 9004-35-7, brand name is Hua Xiangke clean) into the modified liquid at 70 ℃ according to the mass ratio of 18:1:40, uniformly mixing to obtain a spinning solution, and carrying out electrostatic spinning on the spinning solution to obtain modified composite fibers, wherein the technological parameters of electrostatic spinning are as follows: the voltage is 10kV, the fluid supply speed is 0.2mL/h, the ambient humidity is 20%, the receiving distance is 15cm, the inner hole of the spinneret is 0.15mm, and the temperature is 30 ℃.

Comparative preparation example 2

The modified composite fiber is prepared by the following method:

adding 1-butyl-3-methylimidazole mesylate (CAS number: 342789-81-5) into an 18wt% sodium silicate aqueous solution (sodium silicate modulus is 2.0, brand is east Yue) according to a mass ratio of 3:28, stirring and mixing at a temperature of 70 ℃ at a rotating speed of 500r/min for 18min to obtain a modified liquid;

Comparative preparation example 3

The modified composite fiber is prepared by the following method:

adding lignocellulose (product number JBXXW, brand name of Xinyuan cellulose) into the modified liquid at 70 ℃ according to the mass ratio of 19:40, uniformly mixing to obtain a spinning solution, and carrying out electrostatic spinning on the spinning solution to obtain modified composite fibers, wherein the technological parameters of the electrostatic spinning are as follows: the voltage is 10kV, the fluid supply speed is 0.2mL/h, the ambient humidity is 20%, the receiving distance is 15cm, the inner hole of the spinneret is 0.15mm, and the temperature is 30 ℃.

Preparation examples 4-6 and comparative preparation example 4 provide a method for preparing the modified polyester fiber.

Preparation example 4

The modified polyester fiber is prepared by the following method:

100 parts by weight of polyester rubber (brand BT-1063D, brand name of Korean LG), 18 parts by weight of acrylic acid-2-hydroxyethyl ester (CAS number: 818-61-1), 10 parts by weight of nano far infrared ceramic powder (granularity 80nm, brand name Chengno), 3 parts by weight of hydroxypropyl-beta-cyclodextrin (CAS number: 128446-35-5), 1 part by weight of sodium stearate (CAS number: 822-16-2) and 1 part by weight of silane coupling agent KH-580 (brand name: cloud Cheng Huaxue) are stirred and mixed for 20min at a rotating speed of 1200r/min, and then the temperatures of the zones of a double-screw extruder are controlled to be 180, 190, 200, 205 and 210 ℃, the temperature of a machine head is 195 ℃, the rotating speed of a screw is 180rpm, and the spinning material is granulated and dried by the double-screw extruder;

controlling the melt spinning temperature to 220 ℃, the winding speed to 800m/min, the first hot roller drafting temperature to 70 ℃, the second hot roller drafting temperature to 85 ℃, the drafting multiplying power to 1.8 times, and carrying out melt spinning, winding and drafting on the spinning material by a spinning machine to obtain the modified polyester fiber.

Preparation example 5

The modified polyester fiber is prepared by the following method:

100 parts by weight of polyester rubber (brand BT-1063D, brand name of Korean LG), 20 parts by weight of acrylic acid-2-hydroxyethyl ester (CAS number: 818-61-1), 12 parts by weight of nano far infrared ceramic powder (granularity 80nm, brand name Chengno), 4 parts by weight of hydroxypropyl-beta-cyclodextrin (CAS number: 128446-35-5), 2 parts by weight of sodium stearate (CAS number: 822-16-2) and 2 parts by weight of silane coupling agent KH-580 (brand name: cloud Cheng Huaxue) are stirred and mixed for 20min at a rotating speed of 1200r/min, and then the temperatures of the zones of a double-screw extruder are controlled to be 180, 190, 200, 205 and 210 ℃, the temperature of a machine head is 195 ℃, the rotating speed of a screw is 180rpm, and the spinning material is granulated and dried by the double-screw extruder;

Controlling the melt spinning temperature to 240 ℃, the winding speed to 900m/min, the first hot roller drafting temperature to 75 ℃, the second hot roller drafting temperature to 90 ℃, the drafting multiplying power to 2 times, and carrying out melt spinning, winding and drafting on the spinning material by a spinning machine to obtain the modified polyester fiber.

Preparation example 6

The modified polyester fiber is prepared by the following method:

100 parts by weight of polyester rubber (brand BT-1063D, brand name of Korean LG), 22 parts by weight of acrylic acid-2-hydroxyethyl ester (CAS number: 818-61-1), 15 parts by weight of nano far infrared ceramic powder (granularity 80nm, brand name Chengno), 5 parts by weight of hydroxypropyl-beta-cyclodextrin (CAS number: 128446-35-5), 3 parts by weight of sodium stearate (CAS number: 822-16-2) and 3 parts by weight of silane coupling agent KH-580 (brand name: cloud Cheng Huaxue) are stirred and mixed for 20min at a rotating speed of 1200r/min, and then the temperatures of the zones of a double-screw extruder are controlled to be 180, 190, 200, 205 and 210 ℃, the temperature of a machine head is 195 ℃, the rotating speed of a screw is 180rpm, and the spinning material is granulated and dried by the double-screw extruder;

controlling the melt spinning temperature to 260 ℃ and the winding speed to 1000m/min, wherein the first hot roller drafting temperature is 80 ℃, the second hot roller drafting temperature is 95 ℃, the drafting multiplying power is 2.2 times, and carrying out melt spinning, winding and drafting on the spinning material by a spinning machine to obtain the modified polyester fiber.

Comparative preparation example 4

The modified polyester fiber is prepared by the following method:

100 parts by weight of polyester rubber (with the brand of BT-1063D and the brand of Korean LG), 18 parts by weight of acrylic acid-2-hydroxyethyl ester (with the CAS number of 818-61-1), 10 parts by weight of nanometer far infrared ceramic powder (with the granularity of 80nm and the brand of Chengno), 4 parts by weight of sodium stearate (with the CAS number of 822-16-2) and 1 part by weight of silane coupling agent KH-580 (with the brand of cloud Cheng Huaxue) are stirred and mixed for 20 minutes at the rotating speed of 1200r/min, and then the temperature of each area of a double-screw extruder is controlled to be 180, 190, 200, 205 and 210 ℃, the temperature of a machine head is 195 ℃, the rotating speed of a screw is 180rpm, and the spinning material is obtained after granulating and drying by the double-screw extruder;

Preparation examples 7-9 and comparative preparation examples 5-7 provide methods for preparing modified spandex.

Preparation example 7

The modified spandex is prepared by the following method:

adding a silane coupling agent KH-602 (brand name is cloud Cheng Huaxue) and a silane coupling agent KH-550 (brand name is cloud Cheng Huaxue) into an ethanol water solution with mass fraction of 68wt% according to mass ratio of 1:1:44, and carrying out hydrolysis reaction for 2 hours at 65 ℃ to obtain a silane coupling agent hydrolysate;

Adding 2 parts by weight of nano silicon dioxide (average particle size is 30nm, model HN-SP30F, brand name is Hengna in Hangzhou) and 5 parts by weight of nano zinc oxide (primary particle size is 20nm, model SS-Z20, brand name is Jikang in Hangzhou) into 50 parts by weight of silane coupling agent hydrolysate, controlling ultrasonic power to be 550W, ultrasonic frequency to be 65kHz, adding 40 parts by weight of thermoplastic polyurethane powder (particle size is 200 meshes, brand name is Basff in Germany) after ultrasonic dispersion treatment for 30min, adding 1 part by weight of sophorolipid (CAS number: 148409-20-5) and 30 parts by weight of 30% 1, 3-butanediol aqueous solution at a temperature of 85 ℃, and stirring and mixing for 1h at 800r/min to obtain a treatment solution;

the modified spandex was prepared by passing 40D spandex yarn (brand Hyosung) through the treatment liquid at a rate of 1.8m/min, and then drying at 100℃for 8min with hot air.

Preparation example 8

The modified spandex is prepared by the following method:

adding a silane coupling agent KH-602 (brand name is cloud Cheng Huaxue) and a silane coupling agent KH-550 (brand name is cloud Cheng Huaxue) into an ethanol water solution with the mass fraction of 73wt% according to the mass ratio of 1:1:46, and carrying out hydrolysis reaction for 1.5h at the temperature of 70 ℃ to obtain a silane coupling agent hydrolysate;

adding 3 parts by weight of nano silicon dioxide (average particle size 30nm, model HN-SP30F, brand name Hengna, hangzhou) and 4 parts by weight of nano zinc oxide (primary particle size 20nm, model SS-Z20, brand name Jikang, hangzhou) into 55 parts by weight of silane coupling agent hydrolysate, controlling ultrasonic power to be 600W and ultrasonic frequency to be 75kHz, adding 50 parts by weight of thermoplastic polyurethane powder (particle size 200 meshes, brand name Basff, germany) after ultrasonic dispersion treatment for 25min, adding 2 parts by weight of sophorolipid (CAS number: 148409-20-5) and 40 parts by weight of 35% 1, 3-butanediol aqueous solution at 90 ℃, and stirring and mixing for 1h at 800r/min to obtain a treatment solution;

The modified spandex was prepared by passing 40D spandex yarn (brand Hyosung) through the treatment liquid at a rate of 2.2m/min, and then drying at 110℃under hot air for 6 min.

Preparation example 9

The modified spandex is prepared by the following method:

adding a silane coupling agent KH-602 (brand name is cloud Cheng Huaxue) and a silane coupling agent KH-550 (brand name is cloud Cheng Huaxue) into an ethanol water solution with a mass fraction of 78wt% according to a mass ratio of 1:1:48, and carrying out hydrolysis reaction for 1h at a temperature of 75 ℃ to obtain a silane coupling agent hydrolysate;

adding 5 parts by weight of nano silicon dioxide (average particle size 30nm, model HN-SP30F, brand name Hengna, hangzhou) and 2 parts by weight of nano zinc oxide (primary particle size 20nm, model SS-Z20, brand name Jikang, hangzhou) into 60 parts by weight of silane coupling agent hydrolysate, controlling ultrasonic power to be 650W, ultrasonic frequency to be 85kHz, adding 60 parts by weight of thermoplastic polyurethane powder (particle size 200 meshes, brand name Basff, germany) after ultrasonic dispersion treatment for 20min, adding 3 parts by weight of sophorolipid (CAS number: 148409-20-5) and 50 parts by weight of 40% 1, 3-butanediol aqueous solution at 95 ℃, and stirring and mixing at 800r/min for 1h to obtain a treatment solution;

the modified spandex was prepared by passing 40D spandex yarn (brand Hyosung) through the treatment liquid at a rate of 2.5m/min, and then drying at 120℃under hot air for 5 min.

Comparative preparation example 5

The modified spandex is prepared by the following method:

adding a silane coupling agent KH-602 (brand name is cloud Cheng Huaxue) into an ethanol water solution with the mass fraction of 68wt% according to the mass ratio of 1:22, and carrying out hydrolysis reaction for 2 hours at the temperature of 65 ℃ to obtain a silane coupling agent hydrolysate;

Comparative preparation example 6

The modified spandex is prepared by the following method:

adding a silane coupling agent KH-550 (brand name is cloud Cheng Huaxue) into an ethanol water solution with the mass fraction of 68wt% according to the mass ratio of 1:22, and carrying out hydrolysis reaction for 2 hours at the temperature of 65 ℃ to obtain a silane coupling agent hydrolysate;

Comparative preparation example 7

The modified spandex is prepared by the following method:

adding 2 parts by weight of nano silicon dioxide (average particle size is 30nm, model HN-SP30F, brand name is Hengna in Hangzhou) and 5 parts by weight of nano zinc oxide (primary particle size is 20nm, model SS-Z20, brand name is Jikang in Hangzhou) into 50 parts by weight of silane coupling agent hydrolysate, controlling ultrasonic power to be 550W, ultrasonic frequency to be 65kHz, adding 40 parts by weight of thermoplastic polyurethane powder (particle size is 200 meshes, brand name is Basfu in Germany) after ultrasonic dispersion treatment for 30min, and mixing 31 parts by weight of a 30% 1, 3-butanediol aqueous solution at a temperature of 85 ℃ for 1h under stirring of 800r/min to obtain a treatment solution;

Preparation examples 10 to 12 and comparative preparation examples 8 to 11 provide a method for preparing a dyeing paste.

Preparation example 10

The dyeing slurry is prepared by the following method:

2 parts by weight of disperse red 60 (CAS number: 17418-58-5), 0.5 part by weight of emulsifier OP-10 (brand name: haisenson), 1 part by weight of zinc nitrate (CAS number: 7779-88-6), 1 part by weight of sodium carbonate (CAS number: 497-19-8) were added to 100 parts by weight of a 60% by mass aqueous propylene glycol solution, and a mixed acid comprising formic acid (CAS number: 64-18-6) and ferulic acid (CAS number: 1135-24-6) in a mass ratio of 1:3 was added to adjust the pH to 4.5 to prepare a dyeing slurry.

PREPARATION EXAMPLE 11

The dyeing slurry is prepared by the following method:

3 parts by weight of disperse blue 72 (CAS number: 12217-81-1), 0.8 part by weight of emulsifier OP-10 (brand name is Haisenson), 2 parts by weight of zinc nitrate (CAS number: 7779-88-6), 2 parts by weight of sodium carbonate (CAS number: 497-19-8) were added to 110 parts by weight of a 64% aqueous propylene glycol solution, and a mixed acid comprising formic acid (CAS number: 64-18-6) and ferulic acid (CAS number: 1135-24-6) in a mass ratio of 1:4 was added to adjust the pH to 4.2, to prepare a dyeing slurry.

Preparation example 12

The dyeing slurry is prepared by the following method:

adding 4 parts by weight of disperse orange 62 (CAS number: 58051-95-9), 1 part by weight of emulsifier OP-10 (brand name is Haisensheng), 3 parts by weight of zinc nitrate (CAS number: 7779-88-6), 3 parts by weight of sodium carbonate (CAS number: 497-19-8) into 120 parts by weight of a propylene glycol aqueous solution with a mass fraction of 68%, adding mixed acid to adjust the pH value to 3.8, and preparing to obtain dyeing slurry; the mixed acid comprises formic acid (CAS number: 64-18-6) and ferulic acid (CAS number: 1135-24-6) in a mass ratio of 1:5.

Comparative preparation example 8

The dyeing slurry is prepared by the following method:

2 parts by weight of disperse red 60 (CAS number: 17418-58-5), 0.5 part by weight of emulsifier OP-10 (brand name is Haisensheng), 2 parts by weight of zinc nitrate (CAS number: 7779-88-6) are added to 100 parts by weight of a 60% by mass propylene glycol aqueous solution, and a mixed acid is added to adjust the pH to 4.5, so as to obtain a dyeing slurry, wherein the mixed acid comprises formic acid (CAS number: 64-18-6) and ferulic acid (CAS number: 1135-24-6) in a mass ratio of 1:3.

Comparative preparation example 9

The dyeing slurry is prepared by the following method:

2 parts by weight of disperse red 60 (CAS number: 17418-58-5), 0.5 part by weight of emulsifier OP-10 (brand name is Haisensheng), 2 parts by weight of sodium carbonate (CAS number: 497-19-8) are added to 100 parts by weight of a 60% by mass propylene glycol aqueous solution, and a mixed acid is added to adjust the pH to 4.5, so as to obtain a dyeing slurry, wherein the mixed acid comprises formic acid (CAS number: 64-18-6) and ferulic acid (CAS number: 1135-24-6) in a mass ratio of 1:3.

Comparative preparation example 10

The dyeing slurry is prepared by the following method:

2 parts by weight of disperse red 60 (CAS number: 17418-58-5), 0.5 part by weight of emulsifier OP-10 (brand name: haisenson), 1 part by weight of zinc nitrate (CAS number: 7779-88-6), 1 part by weight of sodium carbonate (CAS number: 497-19-8) were added to 100 parts by weight of a 60% by mass aqueous propylene glycol solution, and formic acid (CAS number: 64-18-6) was added to adjust the pH to 4.5, to prepare a dyeing slurry.

Comparative preparation 11

The dyeing slurry is prepared by the following method:

2 parts by weight of disperse red 60 (CAS number: 17418-58-5), 0.5 part by weight of emulsifier OP-10 (brand name: haisensheng), 1 part by weight of zinc nitrate (CAS number: 7779-88-6), 1 part by weight of sodium carbonate (CAS number: 497-19-8) were added to 100 parts by weight of a 60% aqueous propylene glycol solution, and ferulic acid (CAS number: 1135-24-6) was added to adjust the pH to 4.5, to prepare a dyeing slurry.

Examples 1-5 provide a process for producing a high-color-fastness wear-resistant four-sided stretch fabric.

Example 1

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps: s1, controlling the twisting direction to be Z, the twisting degree to be 400 twists/m, blending the modified composite fiber in preparation example 1 and the modified polyester fiber in preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in preparation example 7 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3 times, the twisting direction to be Z, the twisting degree to be 450 twists/m, and the covering rate to be 35%, and obtaining the covering yarns;

S2, twisting the core spun yarn, controlling the twisting direction to be S, controlling the twisting degree to be 700 twists/m to obtain a warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 380 twists/m to obtain a weft yarn, controlling the bath ratio to be 1:12, placing the warp yarn and the weft yarn into the dyeing slurry in preparation example 10 at 30 ℃, controlling the heating rate to be 2 ℃/min, heating to 60 ℃, then conducting constant-temperature dyeing for 50min, cooling to 25 ℃ after finishing dyeing, sequentially conducting normal-temperature washing for 10min, conducting warm water washing for 20min at 50 ℃ containing 3g/L soaping agent (model SR-130, with the brand of Hangzhou smooth), conducting normal-temperature washing for 10min, and finally conducting drying at 50 ℃ to obtain dyed warp yarn and dyed weft yarn;

s3, weaving the dyed warp yarns and weft yarns by adopting a 2/1 twill weave to obtain the required high-color-fastness wear-resistant tetrahedral elastic fabric, wherein the weaving process parameters are controlled as follows: the total warp count is 7980, the upper loom width is 57cm, the upper loom density is 140 pieces/10 cm, the upper loom weft density is 118 pieces/10 cm, the reed number is 51, the penetration count is 2 pieces/reed, the finished product width is 70cm, the lower loom warp density is 114 pieces/10 cm, the lower loom weft density is 122 pieces/10 cm, the warp knitting shrinkage rate is 7%, and the weft knitting shrinkage rate is 4.8%.

Example 2

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps:

S1, controlling the twisting direction to be Z, the twisting degree to be 420 twists/m, blending the modified composite fiber in preparation example 1 and the modified polyester fiber in preparation example 6 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in preparation example 8 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3.2 times, the twisting direction to be Z, the twisting degree to be 460 twists/m, and the covering rate to be 38%, so as to obtain the covering yarns;

s2, twisting the core spun yarn, controlling the twisting direction to be S, the twisting degree to be 720 twists/m, obtaining warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 390 twists/m, obtaining weft yarn, controlling the bath ratio to be 1:14, placing the warp yarn and the weft yarn into the dyeing slurry in preparation example 10 at 34 ℃, controlling the heating rate to be 2 ℃/min, heating to 65 ℃, then conducting constant-temperature dyeing for 45min, cooling to 28 ℃ after finishing dyeing, sequentially conducting normal-temperature water washing for 15min, conducting warm water washing at 55 ℃, conducting warm water washing for 15min at 55 ℃ containing 3g/L soaping agent (model SR-130, with the brand being Hangzhou smooth), conducting normal-temperature water washing for 15min, and finally conducting drying at 55 ℃ to obtain dyed warp yarn and dyed weft yarn;

Example 3

s1, controlling the twisting direction to be Z, the twisting degree to be 450 twists/m, blending the modified composite fiber in preparation example 2 and the modified polyester fiber in preparation example 5 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in preparation example 8 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3.2 times, the twisting degree to be Z, the twisting degree to be 480 twists/m, and the covering rate to be 40%, and obtaining the covering yarns;

s2, twisting the core-spun yarn, controlling the twisting direction to be S, the twisting degree to be 720 twists/m, obtaining the warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 400 twists/m, obtaining the weft yarn, controlling the bath ratio to be 1:15, placing the warp yarn and the weft yarn into the dyeing slurry in preparation example 11 at 38 ℃, controlling the heating rate to be 2.5 ℃/min, heating to 70 ℃, then dyeing at constant temperature for 40min, cooling to 28 ℃ after dyeing, sequentially washing with normal temperature clean water for 15min, washing with 55 ℃ warm water containing 3g/L soaping agent (model SR-130, brand is smooth in Hangzhou state) for 15min, washing with normal temperature clean water, and finally drying at 55 ℃ to obtain dyed warp yarn and dyed weft yarn;

Example 4

s1, controlling the twisting direction to be Z, the twisting degree to be 480 twists/m, blending the modified composite fiber in preparation example 2 and the modified polyester fiber in preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in preparation example 8 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3.4 times, controlling the twisting direction to be Z, controlling the twisting degree to be 480 twists/m, and controlling the covering rate to be 42%, so as to obtain the covering yarns;

s2, twisting the core spun yarn, controlling the twisting direction to be S, controlling the twisting degree to be 740 twists/m to obtain a warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 410 twists/m to obtain a weft yarn, controlling the bath ratio to be 1:16, placing the warp yarn and the weft yarn into the dyeing slurry in preparation example 12 at 40 ℃, controlling the heating rate to be 3 ℃/min, heating to 75 ℃, then conducting constant-temperature dyeing for 35min, cooling to 26 ℃ after finishing dyeing, sequentially conducting normal-temperature water washing for 15min, conducting warm-water washing at 55 ℃, conducting warm-water washing for 15min at 55 ℃ containing 3g/L soaping agent (model SR-130, with the brand of Hangzhou smooth), conducting normal-temperature water washing for 15min, and finally conducting drying at 55 ℃ to obtain dyed warp yarn and dyed weft yarn;

Example 5

s1, controlling the twisting direction to be Z, the twisting degree to be 500 twists/m, blending the modified composite fiber in preparation example 3 and the modified polyester fiber in preparation example 6 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in preparation example 9 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3.5 times, the twisting direction to be Z, the twisting degree to be 500 twists/m, and the covering rate to be 45%, so as to obtain the covering yarns;

s2, twisting the core spun yarn, controlling the twisting direction to be S, controlling the twisting degree to be 750 twists/m to obtain a warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 420 twists/m to obtain a weft yarn, controlling the bath ratio to be 1:18, placing the warp yarn and the weft yarn into dyeing slurry in preparation example 12 at 45 ℃, controlling the heating rate to be 3 ℃/min, heating to 80 ℃, then conducting constant-temperature dyeing for 30min, cooling to 25 ℃ after finishing dyeing, sequentially conducting normal-temperature washing for 20min, conducting warm water washing for 10min at 60 ℃ containing 3g/L soaping agent (model SR-130, with the brand of Hangzhou smooth), conducting normal-temperature washing for 20min, and finally conducting drying at 60 ℃ to obtain dyed warp yarn and dyed weft yarn;

To verify the overall performance of the high-color-fastness abrasion-resistant four-sided stretch fabrics produced in examples 1-5 of the present application, comparative examples 1-11 were set up.

Comparative example 1

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps: s1, controlling the twisting direction to be Z, the twisting degree to be 400 twists/m, blending the modified composite fiber in the comparative preparation example 1 and the modified polyester fiber in the preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in the preparation example 7 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3 times, the twisting direction to be Z, the twisting degree to be 450 twists/m, and the covering rate to be 35%, and obtaining the covering yarns;

S3, weaving the dyed warp yarns and weft yarns by adopting a 2/1 twill weave to obtain the required high-color-fastness wear-resistant tetrahedral elastic fabric, wherein the weaving process parameters are controlled as follows: the total warp count is 7980, the upper loom width is 57cm, the upper loom density is 140 pieces/10 cm, the upper loom weft density is 118 pieces/10 cm, the reed number is 51, the penetration count is 2 pieces/reed, the finished product width is 70cm, the lower loom warp density is 114 pieces/10 cm, the lower loom weft density is 122 pieces/10 cm, the warp knitting shrinkage rate is 7%, and the weft knitting shrinkage rate is 4.8%. .

Comparative example 2

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps: s1, controlling the twisting direction to be Z, the twisting degree to be 400 twists/m, blending the modified composite fiber in the comparative preparation example 2 and the modified polyester fiber in the preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in the preparation example 7 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3 times, the twisting direction to be Z, the twisting degree to be 450 twists/m, and the covering rate to be 35%, and obtaining the covering yarns;

Comparative example 3

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps: s1, controlling the twisting direction to be Z, the twisting degree to be 400 twists/m, blending the modified composite fiber in the comparative preparation example 3 and the modified polyester fiber in the preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in the preparation example 7 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3 times, the twisting direction to be Z, the twisting degree to be 450 twists/m, and the covering rate to be 35%, and obtaining the covering yarns;

Comparative example 4

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps: s1, controlling the twisting direction to be Z, the twisting degree to be 400 twists/m, blending the modified composite fiber in the preparation example 1 and the modified polyester fiber in the comparative preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in the preparation example 7 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3 times, the twisting direction to be Z, the twisting degree to be 450 twists/m, and the covering rate to be 35%, and obtaining the covering yarns;

Comparative example 5

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps: s1, controlling the twisting direction to be Z, the twisting degree to be 400 twists/m, blending the modified composite fiber in the preparation example 1 and the modified polyester fiber in the preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in the comparative preparation example 5 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3 times, the twisting direction to be Z, the twisting degree to be 450 twists/m, and the covering rate to be 35%, and obtaining the covering yarns;

Comparative example 6

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps: s1, controlling the twisting direction to be Z, the twisting degree to be 400 twists/m, blending the modified composite fiber in the preparation example 1 and the modified polyester fiber in the preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in the comparative preparation example 6 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3 times, the twisting direction to be Z, the twisting degree to be 450 twists/m, and the covering rate to be 35%, and obtaining the covering yarns;

Comparative example 7

The production process of the wear-resistant four-sided stretch fabric with high color fastness specifically comprises the following production steps: s1, controlling the twisting direction to be Z, the twisting degree to be 400 twists/m, blending the modified composite fiber in the preparation example 1 and the modified polyester fiber in the preparation example 4 according to a blending ratio of 60:40 to obtain blended yarns, taking the modified spandex in the comparative preparation example 7 as inner core yarns, taking the blended yarns as outer covering yarns, controlling the traction multiple to be 3 times, the twisting direction to be Z, the twisting degree to be 450 twists/m, and the covering rate to be 35%, and obtaining the covering yarns;

Comparative example 8

s2, twisting the core-spun yarn, controlling the twisting direction to be S, controlling the twisting degree to be 700 twists/m to obtain a warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 380 twists/m to obtain a weft yarn, controlling the bath ratio to be 1:12, placing the warp yarn and the weft yarn into the dyeing slurry in comparative preparation example 8 at 30 ℃, controlling the heating rate to be 2 ℃/min, heating to 60 ℃, then dyeing at constant temperature for 50min, cooling to 25 ℃ after dyeing, sequentially adopting normal-temperature washing for 10min, 50 ℃ warm water washing for 20min containing 3g/L soaping agent (model SR-130, with the brand of Hangzhou smooth), washing for 10min at normal temperature, and finally drying at 50 ℃ to obtain dyed warp yarn and dyed weft yarn;

Comparative example 9

s2, twisting the core spun yarn, controlling the twisting direction to be S, controlling the twisting degree to be 700 twists/m to obtain a warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 380 twists/m to obtain a weft yarn, controlling the bath ratio to be 1:12, placing the warp yarn and the weft yarn into the dyeing slurry in the comparative preparation example 9 at 30 ℃, controlling the heating rate to be 2 ℃/min, heating to 60 ℃, then conducting constant-temperature dyeing for 50min, cooling to 25 ℃ after finishing dyeing, sequentially conducting normal-temperature washing for 10min, conducting warm water washing at 50 ℃ for 20min containing 3g/L soaping agent (model SR-130, with the brand of Hangzhou smooth), conducting normal-temperature washing for 10min, and finally conducting drying at 50 ℃ to obtain dyed warp yarn and dyed weft yarn;

Comparative example 10

s2, twisting the core spun yarn, controlling the twisting direction to be S, controlling the twisting degree to be 700 twists/m to obtain a warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 380 twists/m to obtain a weft yarn, controlling the bath ratio to be 1:12, placing the warp yarn and the weft yarn into the dyeing slurry in the comparative preparation example 10 at 30 ℃, controlling the heating rate to be 2 ℃/min, heating to 60 ℃, then conducting constant-temperature dyeing for 50min, cooling to 25 ℃ after finishing dyeing, sequentially conducting normal-temperature washing for 10min, conducting warm water washing at 50 ℃ for 20min containing 3g/L soaping agent (model SR-130, with the brand of Hangzhou smooth), conducting normal-temperature washing for 10min, and finally conducting drying at 50 ℃ to obtain dyed warp yarn and dyed weft yarn;

Comparative example 11

s2, twisting the core spun yarn, controlling the twisting direction to be S, controlling the twisting degree to be 700 twists/m to obtain a warp yarn, controlling the twisting direction to be S, controlling the twisting degree to be 380 twists/m to obtain a weft yarn, controlling the bath ratio to be 1:12, placing the warp yarn and the weft yarn into the dyeing slurry in comparative preparation example 11 at 30 ℃, controlling the heating rate to be 2 ℃/min, heating to 60 ℃, then conducting constant-temperature dyeing for 50min, cooling to 25 ℃ after finishing dyeing, sequentially conducting normal-temperature washing for 10min, conducting warm water washing at 50 ℃ for 20min containing 3g/L soaping agent (model SR-130, with the brand of Hangzhou smooth), conducting normal-temperature washing for 10min, and finally conducting drying at 50 ℃ to obtain dyed warp yarn and dyed weft yarn;

Performance testing

The high-color-fastness wear-resistant four-sided stretch fabrics produced in examples 1-5 and comparative examples 1-11 of the present application were tested for their overall properties, respectively, as follows:

1. breaking strength and wear resistance

Breaking strength: the detection is carried out according to the national standard GB/T3923.1-1997 'determination of fabric breaking strength and breaking elongation-strip sample method';

abrasion resistance: determination of abrasion resistance of textile Martindale fabrics according to the national Standard GB/T21196.2-2007 part 2: the test for breakage of the sample was carried out by setting the friction load to 1000g, counting the number of revolutions when the sample was broken, and the test results are shown in Table 1 below:

TABLE 1 breaking strength and abrasion resistance test results

As can be seen from the data shown in table 1 above: the high-color-fastness wear-resistant four-side stretch fabric produced in the embodiments 1-5 has the advantages of high breaking strength, good wear resistance and excellent comprehensive mechanical properties.

2. Elasticity and shrinkage

Elastic recovery: the detection is carried out according to the standard ASTM D3107-07 (2011) Standard test method for tensile Property of elastic yarn woven fabrics;

the detection is carried out according to the standard AATCC 135-2014 'dimensional Change of fabrics after household washing', and the detection results are shown in the following table 2:

TABLE 2 results of elasticity and shrinkage test

As can be seen from the data shown in table 2 above: the high-color-fastness wear-resistant four-side elastic fabric produced in the embodiments 1-5 has the advantages of high elastic recovery rate, good elasticity, small shrinkage rate and good dimensional stability.

3. Dye-uptake and color fastness detection

Dye-uptake rate: detecting according to national standard GB/T9337-2009 determination of high-temperature dyeing and coloring Rate of disperse dyes;

fastness to artificial light: GB/T8427-2019 "fastness to artificial light for textile colour fastness test: detecting xenon arc);

perspiration color fastness: detecting according to national standard GB/T3922-2013 perspiration resistance color fastness of textile color fastness test;

fastness to water: detecting according to national standard GB/T5713-2013 textile color fastness test Water fastness;

fastness to rubbing: detecting according to national standard GB/T3920-2008 'textile color fastness to rubbing test color fastness';

Fastness to washing with soap: the detection is carried out according to national standard GB/T3921-2008 "textile color fastness to soaping" and the detection results are shown in the following table 3:

TABLE 3 dye uptake and color fastness detection results

As can be seen from the data shown in table 3 above: the high-color-fastness wear-resistant four-side stretch fabrics produced in the embodiments 1-5 are higher than 93% in dye-uptake, and are not lower than 4-5 levels in color fastness, and good in coloring and fixation effects.

4. Moisture absorption and air permeability detection

Hygroscopicity: according to the national standard GB/T12704.1-2009, part 1 of the textile fabric moisture permeability test method: detecting a wet absorbing method;

air permeability: the detection is carried out according to the national standard GB/T5453-1997 determination of air permeability of textile fabrics, and the detection results are shown in the following table 4:

TABLE 4 moisture absorption and air permeability test results

As can be seen from the data shown in table 4 above: the high-color-fastness wear-resistant four-sided stretch fabric produced in examples 1-5 of the application is excellent in moisture absorption and air permeability.

5. Antibacterial property

Antibacterial rate: evaluation of antimicrobial Properties of textiles according to national Standard GB/T20944.2-2007 part 2: the absorption method provides for detection of antibacterial properties before and after 100 water washes, the water washing method refers to GB/T8629-2001 household washing and drying procedure adopted in textile test, B-type stirring washing machine and washing procedure 8B are selected, and the detection results are shown in Table 5 below:

TABLE 5 antibacterial Rate detection results

As can be seen from the data shown in table 5 above: after 100 times of water washing, the antibacterial rate of staphylococcus aureus and escherichia coli of the high-color-fastness wear-resistant tetrahedral elastic fabric produced in the embodiments 1-5 can still reach more than 97%, is higher than the evaluation index of the national standard antibacterial performance, and has an excellent antibacterial effect.

As can be seen from the data shown in tables 1-5 above: the high-color-fastness wear-resistant four-sided stretch fabric produced in examples 1-5 of the application has far better comprehensive properties than those of comparative documents 1-11.

The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.

Claims

1. The production process of the wear-resistant four-sided stretch fabric with high color fastness is characterized by comprising the following production steps:

s3, weaving the dyed warp yarns and weft yarns by adopting a 2/1 twill weave to obtain the required high-color-fastness wear-resistant tetrahedral elastic fabric;

the modified composite fiber in the step S1 is prepared by the following method:

adding lignocellulose and cellulose acetate into the modification solution at 60-70 ℃ according to the mass ratio of 18-20:1:40-42, uniformly mixing to obtain a spinning solution, and carrying out electrostatic spinning on the spinning solution to obtain modified composite fibers;

the modifying liquid is prepared by the following method:

2. The process for producing the high-color-fastness wear-resistant four-sided stretch fabric according to claim 1, wherein the modified polyester fiber in the step S1 is prepared by the following method:

3. The process for producing the high-color-fastness wear-resistant four-sided stretch fabric according to claim 1, wherein the modified spandex in the step S1 is prepared by the following method:

4. The process for producing the high-color-fastness wear-resistant four-sided stretch fabric according to claim 3, wherein the silane coupling agent hydrolysate is prepared by the following method:

5. The process for producing high-color-fastness wear-resistant four-sided stretch fabric according to claim 1, wherein the dyeing slurry in the step S2 is prepared by the following method: adding 2-4 parts by weight of disperse dye, 0.5-1 part by weight of emulsifier, 1-3 parts by weight of zinc nitrate and 1-3 parts by weight of sodium carbonate into 100-120 parts by weight of propylene glycol aqueous solution, adding mixed acid to adjust the pH value to 3.8-4.5, and preparing to obtain dyeing slurry.

6. The process for producing the high-color-fastness wear-resistant four-sided stretch fabric according to claim 5, wherein the mixed acid comprises formic acid and ferulic acid in a mass ratio of 1:3-5.

7. The process for producing high-color-fastness wear-resistant four-sided stretch fabric according to claim 1, wherein the dyeing process parameters in the step S2 are as follows: the bath ratio is 1:12-18, the initial temperature of the dyeing slurry is 30-45 ℃, the heating rate is 2-3 ℃/min, the dyeing temperature is 60-80 ℃, and the dyeing time is 30-50min.

8. A high-color-fastness wear-resistant tetrahedral stretch fabric, characterized in that the fabric is produced by the production process of the high-color-fastness wear-resistant tetrahedral stretch fabric according to any one of claims 1 to 7.