Super-elastic yoga sportswear fabric without constraint feeling and preparation method of super-elastic yoga sportswear fabric

Abstract

The invention discloses a super-elastic non-constraint yoga sportswear fabric and a preparation method thereof, and belongs to the technical field of functional textile fabrics. The fabric is of a three-layer composite structure and comprises a moisture-absorbing sweat-guiding close-fitting layer composed of special-shaped section fibers, a middle elastic layer composed of dyeable spandex in a specific proportion and used for loading phase change microcapsules and an outer layer providing supporting and shape maintaining. The core innovation is that functional partition design is carried out based on ergonomics, different yarn configuration and organization structures are adopted in different body areas, and therefore the ultrahigh elastic stretch rate larger than or equal to 180%, the recovery rate larger than or equal to 95%, precise pressure comfort and the excellent heat and humidity management function are cooperatively achieved. According to the preparation method disclosed by the invention, by optimizing weaving tension and adopting key processes such as low-temperature dyeing and graphene assistant finishing, the elasticity of the fibers is effectively protected, and the fabric is endowed with lasting functionality. The fabric is particularly suitable for yoga sportswear with strict requirements on elasticity and comfort.

Description

Technical Field

[0001] This invention relates to the field of functional textile fabric technology, specifically to a yoga fabric with ultra-high elasticity, precise pressure comfort and excellent heat and moisture management performance, and its preparation method. Background Technology

[0002] As a popular form of fitness, yoga places special demands on the comfort, elasticity, and functionality of sportswear. Yoga practice involves numerous stretching, twisting, and balancing movements, requiring fabrics with extremely high elasticity and resilience, while ensuring good breathability and comfort.

[0003] The following shortcomings exist in yoga exercise fabrics currently on the market: 1. The contradiction between elasticity and resilience: Ordinary high-elastic fabrics often sacrifice resilience in pursuit of stretch rate, which makes the knees and elbows of the garments prone to bulging and deformation.

[0004] 2. Uniform pressure distribution: Existing fabrics usually apply uniform pressure to the whole body without taking into account the differences in muscle thickness and joint mobility in different parts of the body, resulting in local pressure or insufficient support.

[0005] 3. Balance between function and comfort: The process of adding functional materials (such as phase change materials) often affects the feel and breathability of the fabric.

[0006] Therefore, there is an urgent need in this field for a new type of yoga fabric that can solve the above problems at the same time and achieve super elasticity, freedom of movement and durability. Summary of the Invention

[0007] The purpose of this invention is to provide a super-elastic, unrestricted yoga fabric and its preparation method, so as to solve the problems in the prior art, such as the difficulty in balancing fabric elasticity and resilience, unscientific pressure distribution, and the impact of functional finishing on comfort.

[0008] To achieve the above objectives, in a first aspect, the present invention provides the following technical solution: A super-elastic, unrestricted yoga fabric, characterized by a three-layer composite structure, comprising: The inner layer, made of irregularly shaped cross-section fibers, is used for moisture wicking and perspiration removal; The intermediate elastic layer is composed of dyeable spandex filaments, wherein the spandex content accounts for 15%-25% of the total weight of the fabric, and the intermediate elastic layer is loaded with microcapsule phase change material with a phase change temperature of 28-33℃. The outer layer, composed of fine denier nylon filaments, is used to provide support and shaping; and the fabric is divided into multiple functional areas according to ergonomic principles, including at least a high elasticity area, a medium support area and a high support area. Different functional areas achieve differentiated elastic modulus and support force by using different yarn configurations and fabric structures.

[0009] Preferably, the irregular cross-section fiber of the close-fitting layer is a cross-shaped or Y-shaped polyester fiber or polyamide fiber with a fineness range of 30D-50D.

[0010] Preferably, the functional areas are divided as follows: The high-elasticity zone adopts a single-sided jersey fabric with a modified weave, and the yarn configuration is 40D nylon covered with 20D spandex. The medium support zone adopts a cotton-wool structure, and the yarn is configured as 70D nylon covered with 30D spandex. The high support zone adopts a double-sided jacquard structure, and the yarn configuration is 100D nylon covered with 40D spandex.

[0011] Preferably, the overall elongation of the fabric is not less than 180%, the recovery rate is not less than 95%, and the air permeability is not less than 1000g / 24hr / m².

[0012] Secondly, the present invention also provides a method for making a super-elastic, unrestricted yoga exercise fabric, comprising the following steps: S1. Raw material preparation: Prepare the yarns required for the inner layer, the middle elastic layer and the outer layer; S2. Weaving: On a high gauge weaving machine of 40N or above, a process of using full spandex and nylon yarn is adopted to weave a greige fabric containing the functional zones, wherein the weaving tension is controlled at 2.5-4.5 cN / dtex. S3. Pre-conditioning: Pre-conditioning is carried out at a temperature of 160-180℃, and the overfeed rate is controlled at 5%-8%; S4. Dyeing and finishing: Low-temperature dyeing is carried out at 85-95℃, and 3%-5% of the fabric weight of graphene-modified thermal conductive agent is added to the dye bath. S5. Finishing and shaping: Final shaping is carried out at a temperature of 120-130℃ to complete the fabric preparation.

[0013] Preferably, in the weaving step, the high elasticity zone, medium support zone, and high support zone are formed by changing the fabric structure.

[0014] Preferably, after the dyeing and finishing step, a functional finishing step is further included, in which the phase change microcapsule material is applied to the intermediate elastic layer by padding.

[0015] Preferably, in the pre-forming and post-finishing steps, the vehicle speed is controlled at 20-25 m / min and 15-25 m / min, respectively.

[0016] Thirdly, the present invention also provides a yoga sportswear made of a super-elastic, unrestricted yoga sports fabric.

[0017] Preferably, the yoga sportswear is yoga pants, wherein the high elasticity zone corresponds to the knee and elbow joint movement areas of the human body, the medium support zone corresponds to the thigh and upper arm muscle areas, and the high support zone corresponds to the waist and back core muscle group areas.

[0018] The fabric of this invention adopts a three-layer composite structure. The inner layer uses polyester or polyamide fiber, which quickly wicks away moisture through capillary action. The middle elastic layer is loaded with phase change microcapsule material that undergoes a phase change at 28-33℃, dynamically regulating the temperature. The use of dyeable spandex solves the "white showing" problem caused by the difficulty in dyeing traditional spandex, improving the aesthetics. The outer layer is fine denier nylon filament, which gives the fabric the necessary structure and durability. Based on ergonomic research, this invention divides the fabric into functional zones according to the needs of different body areas: High elasticity zone: Located in joint movement areas, such as the knee and elbow, it adopts a single-sided jersey fabric with a variation structure. The yarn configuration is 40D nylon covered with 20D spandex, providing extremely high tensile strength, i.e., an elongation of not less than 170% and rapid recovery, i.e., a recovery rate of not less than 96%.

[0019] Medium support zone: Located in areas with concentrated muscles, such as the thighs and upper arms, it uses a cotton-wool structure with 70D nylon covering 30D spandex yarn, balancing elasticity and support, i.e., an elongation rate of 140%-160% and a recovery rate of 92%-95%.

[0020] High support zone: Located in the core muscle group area, such as the waist and back, it adopts double-sided jacquard weave and the yarn configuration is 100D nylon covered with 40D spandex, providing strong support with an elongation rate of 100%-130% and a recovery rate of 90%-92%.

[0021] The manufacturing process of this invention employs low-tension weaving, with the weaving tension controlled at 2.5-4.5 cN / dtex to prevent pre-stretch fatigue of the spandex; low-temperature dyeing is carried out at 85-95℃ to protect the integrity of the spandex molecular chains and phase change microcapsules; graphene auxiliaries are added to improve the thermal conductivity of the fabric and enhance the cool touch; precise overfeed setting is performed with a pre-setting overfeed rate of 5%-8% to ensure that the fabric fully shrinks and obtains stable dimensions and elasticity.

[0022] Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention has excellent elasticity and shape retention. The fabric of the present invention maintains a high elongation rate of about 180% while the recovery rate is higher than 95%, and the elasticity retention rate is more than 90% after 50 washes, which is far superior to traditional similar products.

[0023] 2. This invention features scientific pressure comfort. Through zoned design, the garment provides gentle pressure of approximately 1.2-1.5 kPa at the joints and moderate support of approximately 1.8-2.1 kPa at the core muscle groups. The overall average pressure is within the comfortable range of 1.1-2.5 kPa, avoiding localized pressure.

[0024] 3. This invention has excellent thermal and moisture comfort. The synergistic effect of the moisture-wicking properties of the irregular cross-section fibers and the thermal conductivity of the graphene additives makes the fabric moisture evaporation rate reach more than 1.75mL / h and the breathability exceed 1000g / 24h / m², keeping the wearer dry.

[0025] 4. This invention also has durable functionality. Through low-temperature dyeing and optimized finishing processes, the phase change temperature regulation function and color fastness can be maintained for a long time, thus improving the durability of the product. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram showing the division of multiple functional areas in this invention.

[0028] Figure 2 This is a flowchart of the preparation process of the present invention.

[0029] Figure 3 This is a comparison chart of the tensile elasticity of the fabric of this invention and ordinary fabric.

[0030] Figure 4 This is a schematic diagram of the static standing pressure distribution test of yoga clothing fabric prepared in Example 1 and Comparative Example 1 of the present invention.

[0031] Figure 5 This is a schematic diagram of the pressure change of the yoga clothing fabric prepared in Example 1 and Comparative Example 1 of the present invention.

[0032] In the diagram, 1 represents the high elasticity zone; 2 represents the medium support zone; and 3 represents the high support zone. Detailed Implementation

[0033] The technical solutions of the present invention will now be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention: Please see Figures 1-5 The embodiments described herein are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. For example, a super-elastic, unrestricted yoga fabric is provided, and its specific preparation steps are as follows.

[0034] Example 1, S1. Raw material preparation: The inner layer is made of 40D cross-section nylon; The middle elastic layer is made of 25D dyeable spandex, accounting for 18% of the total fabric weight; The outer layer is made of 70D fine denier nylon.

[0035] S2. Weaving as Figure 1 As shown: Functional zone weaving: Weaving is carried out on a 40N double-sided circular knitting machine, with the weaving tension controlled at 3.5 cN / dtex.

[0036] High elasticity zone: Weave a single-sided jersey fabric with a variation structure, and feed in yarns of 40D nylon covered with 20D spandex.

[0037] Medium support zone: Woven cotton-wool structure, fed with 70D nylon yarn covering 30D spandex.

[0038] High support zone: Weave a double-sided jacquard structure and feed in 100D nylon yarn covered with 40D spandex.

[0039] Based on ergonomics, this invention divides the fabric into three main functional areas, such as... Figure 1 As shown, its functional zoning technical solution and performance targets are shown in Table 1 below: Table 1

[0040] S3. Pre-set type: Pre-set type is carried out at a temperature of 170℃, a vehicle speed of 22m / min, and an overfeed rate controlled at 6%.

[0041] S4. Dyeing and Finishing: Low-temperature dyeing is performed at 90℃, and 4% (by weight of the fabric) of graphene thermal conductive agent is added to the dye bath. After dyeing, phase change microcapsules are loaded using a padding method.

[0042] S5. Finishing and setting: Final setting is carried out at a temperature of 125℃ and a speed of 20m / min to obtain the finished fabric.

[0043] Example 2 is basically the same as Example 1, except that: S1. Raw material preparation: The inner layer uses 35D Y-shaped cross-section polyester fiber, the middle elastic layer uses 25D masterbatch spandex, and the outer layer uses 85D fine denier nylon filament. S2. The weaving process employs a 40N high-gauge weaving machine, creating a cotton-wool structure with full spandex and nylon interlayer yarns, as well as a single-sided jersey fabric with varying weave structures. The weaving tension is controlled at 3.5 cN / dtex.

[0044] S3. The temperature of the pre-set stenter is set to 165℃, the speed is 24m / min, and the overfeed rate is controlled at 5.5%.

[0045] S4. The dyeing and finishing process adopts a low-temperature dyeing process, with the dyeing temperature controlled at 88℃. Graphene-modified thermal conductive agent of 3.5% by weight of the fabric is added, and the dyeing time is 50 minutes.

[0046] S5. The final finishing and shaping temperature is 128℃, the speed is 18m / min, and the functional areas are finished.

[0047] Example 3 is basically the same as Example 1, except that: S1. Raw material preparation: The inner layer is made of 45D cross-section nylon filament; the middle elastic layer is made of 35D dyeable spandex filament; the outer layer is made of 100D fine denier nylon filament. S2. The weaving process utilizes a 40N high-gauge weaving machine to create a cotton-wool structure with full spandex and nylon yarns, as well as a single-sided jersey fabric with varying weave structures. The weaving tension is controlled at 4.5 cN / dtex.

[0048] S3. The temperature of the pre-setting and shaping machine is set to 175℃, the machine speed is 20m / min, and the overfeed rate is controlled at 7%.

[0049] S4. The dyeing and finishing process adopts a low-temperature dyeing process, with the dyeing temperature controlled at 92℃. Graphene-modified thermal conductive agent of 4.5% of the fabric weight is added, and the dyeing time is 40 minutes.

[0050] S5. Final finishing and shaping temperature 122℃, machine speed 22m / min, perform functional zoning.

[0051] Comparative Example 1. It adopts the traditional yoga fabric structure, single-layer design, material is ordinary 85% nylon / 15% spandex, dyed using conventional dyeing process at a temperature of 130℃, and has no functional partition design.

[0052] Comparative Example 2. Made of common yoga pants fabric available on the market, consisting of 82% polyester and 18% spandex, dyed at a high temperature of 135℃, without functional partition design.

[0053] The test performance of Examples 1-3 and Comparative Examples 1 and 2 of the present invention is shown in Table 2 below: Table 2

[0054] The comparison between the above embodiments and comparative examples shows that the super-elastic, unrestricted yoga sports fabric provided by the present invention is significantly superior to traditional products in terms of stretch elasticity, comfort, and durability, and is particularly suitable for the production of high-end yoga sportswear.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A super-elastic, unbound feeling yoga sportswear fabric, characterized in that, Adopting a three-layer composite structure, comprising: a skin layer composed of profiled cross-section fibers for moisture conducting and perspiration; an intermediate elastic layer composed of dyeable spandex filaments, wherein the spandex content accounts for 15%-25% of the total weight of the fabric, and the intermediate elastic layer is loaded with microcapsule phase change materials with a phase change temperature of 28-33℃; an outer layer composed of fine denier polyamide filaments for providing support and shaping; and the fabric is divided into multiple functional areas according to the principle of ergonomics, including at least a high elasticity area (1), a medium support area (2) and a high support area (3), and different functional areas are realized by adopting different yarn configurations and fabric organization structures to achieve differentiated elastic modulus and support force.

2. The super-elastic bound-free yoga sportswear fabric as claimed in claim 1, wherein, The profiled cross-section fibers of the skin layer are polyester fibers or polyamide fibers with cross-shaped or Y-shaped cross-section, with a fineness range of 30D-50D.

3. The super-elastic bound-free yoga sportswear fabric as claimed in claim 1, wherein, The division of the functional areas is specifically: the high elasticity area adopts a single-side single jersey change organization, with a yarn configuration of 40D polyamide covered with 20D spandex; the medium support area adopts a cotton wool structure organization, with a yarn configuration of 70D polyamide covered with 30D spandex; the high support area adopts a double-sided jacquard organization, with a yarn configuration of 100D polyamide covered with 40D spandex.

4. The super-elastic bound-free yoga sportswear fabric as claimed in claim 1, wherein, The overall stretch rate of the fabric is not less than 180%, the recovery rate is not less than 95%, and the air permeability is not less than 1000g / 24hr / m².

5. A method of making the super-elastic, unbound feeling yoga sportswear fabric as claimed in any one of claims 1 to 4, wherein, The method comprises the following steps: S1. Raw material preparation: preparing the yarns required for the skin layer, intermediate elastic layer and outer layer; S2. Weaving: on a high needle spacing weaving equipment above 40N, adopting a spandex full take-up and polyamide overfeed process to weave a grey fabric containing the functional division, wherein the weaving tension is controlled at 2.5-4.5 cN / dtex; S3. Pre-shaping: pre-shaping at a temperature of 160-180℃, with an overfeed rate controlled at 5%-8%; S4. Dyeing and finishing: low-temperature dyeing at 85-95℃, and adding a graphene modified heat conduction auxiliary agent accounting for 3%-5% of the weight of the fabric in the dye bath; S5. Post-finishing shaping: final shaping at a temperature of 120-130℃ to complete the preparation of the fabric.

6. The production method according to claim 5, wherein In the weaving step, the high elasticity area, medium support area and high support area are formed by changing the organization structure.

7. The production method according to claim 5, wherein After the dyeing and finishing step, a functional finishing process is further included, in which the phase change microcapsule material is finished to the intermediate elastic layer by padding.

8. The production method according to claim 5, wherein In the pre-shaping and post-finishing shaping steps, the speed is controlled at 20-25 m / min and 15-25 m / min, respectively.

9. A yoga garment, characterized in that, The ultra-elastic and unrestrictive yoga sports fabric is made of the fabric as claimed in any one of claims 1-4.

10. The yoga pant of claim 9, wherein, The yoga sports garment is a yoga pant, wherein the high elasticity area corresponds to the knee and elbow joint movement areas of the human body, the medium support area corresponds to the thigh and upper arm muscle areas, and the high support area corresponds to the waist and back core muscle group areas.

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