Micro-elastic woven fabric with mountain vein texture and preparation method of micro-elastic woven fabric

Abstract

The invention discloses a micro-elastic woven fabric with mountain vein texture and a preparation method of the micro-elastic woven fabric, and relates to the technical field of textiles. The preparation method of the micro-elastic woven fabric with the mountain vein texture comprises the following steps of yarn preparation, gray cloth weaving, desizing, gray cloth pre-preparation, dyeing and suction and discharge arrangement. The gray cloth is woven by the warp yarns and the weft yarns according to the following weaving structure: three continuous groups of 1 / 2 left twill weaves are adopted to weave valley weaves, the warp fly number Sj of each group of patterns is equal to 1 and the weft fly number Sw of each group of patterns is equal to 1, then three continuous groups of 2 / 1 right twill weaves are adopted to weave peak weaves, the warp fly number Sj of each group of patterns is equal to 1 and the weft fly number Sw of each group of patterns is equal to 1, and the valley weaves and the peak weaves are continuously and alternately woven, the gray cloth with the specific pattern is obtained. The left twill valleys and the right twill valleys are designed to highlight the stereoscopic impression and the texture feeling, after the fabric is dyed and formed, the color saturation is good, the texture feelings with different strengths can be observed from different visual angles, and the good elasticity in the weft direction and the dry and soft hand feeling endow the fabric with good wearing comfort.

Description

Technical Field

[0001] This application belongs to the field of textile technology, and particularly relates to a slightly elastic shuttle-woven fabric with mountain texture and a preparation method thereof. Background Art

[0002] With the development of social productive forces, the material and cultural levels of the people have been greatly satisfied. People's demands for clothing have evolved from the most primitive warmth, and later warmth, comfort, and beauty, to the current warmth, comfort, and individual beauty. When more and more consumers buy clothes, they hope to find a high-quality clothing with great personality but not showing publicity, which poses new requirements of higher difficulty for the development of clothing fabrics. How to develop a fabric that makes clothing show low-key luxury has become a new topic in the textile and clothing industry. The texture fabric products on the market include conventional twill, satin, conventional plain weave, and combined organization of conventional twill and conventional plain weave, colored yarns, and twill or satin woven with yarns of different components and then single-dyeing one or two of the yarns. These texture fabric products have the following disadvantages: conventional twill is too monotonous; satin is too fancy; combined organization of conventional plain weave and conventional twill is too simple; colored yarns only have color changes but lack three-dimensional texture; twill or satin woven with yarns of different components and then single-dyeing one or two of the yarns only have color changes but lack three-dimensional texture. Summary of the Invention

[0003] Based on the above problems existing in the texture fabric products on the market, in order to improve the three-dimensional sense, texture sense and comfort of the fabric, this application develops a preparation method for a slightly elastic shuttle-woven fabric with mountain texture.

[0004] In the first aspect, this application proposes a preparation method for a slightly elastic shuttle-woven fabric with mountain texture and adopts the following technical solutions.

[0005] A preparation method for a slightly elastic shuttle-woven fabric with mountain texture includes the following steps: yarn preparation, weaving of the grey fabric, desizing, pre-setting of the grey fabric, dyeing, and moisture management finishing.

[0006] The step of weaving the grey fabric is to weave the warp and weft yarns according to the following weaving structure to obtain a grey fabric with several groups of specific pattern structure units: using continuous 3 groups of 1 / 2 left twill organization to weave the valley organization, with the warp float Sj = 1 and weft float Sw = 1 for each group of patterns, then using continuous 3 groups of 2 / 1 right twill organization to weave the mountain peak organization, with the warp float Sj = 1 and weft float Sw = 1 for each group of patterns, and continuously and alternately weaving the valley organization and the mountain peak organization to obtain the grey fabric.

[0007] By adopting the above technical solutions, in the present application, left twills are designed on the mountain peaks in the valleys and right twills are designed to highlight the three-dimensional sense and texture. After the fabric is dyed and formed, the color saturation is good, and different intensities of texture can be observed from different perspectives. Moreover, the weaving structure has a weak sense of concavity and convexity, making it comfortable to wear. At first glance, this texture is relatively novel and integrated. Looking closely, there are many detailed patterns. The whole piece of fabric reveals a kind of low-key luxury.

[0008] A preferred solution for the preparation method of the slightly elastic shuttle-woven fabric with mountain texture is that the warp yarns and weft yarns adopt the same kind of 45D / 74F semi-dull polyester low-elastic yarn to cover 20D / 2F spandex yarns; in this yarn, the mass content of polyester is 92% - 94%, and the mass content of spandex is 6% - 8%.

[0009] By adopting the above technical solutions, in the present application, by optimizing the yarns, the fabric has a dry and soft hand feeling, and at the same time has slight elasticity, endowing the fabric with good wearing comfort. Using the same kind of yarn for warp yarns and weft yarns can also improve the dyeing uniformity and color saturation.

[0010] A preferred solution for the preparation method of the slightly elastic shuttle-woven fabric with mountain texture is that in the repeating unit of the whole woven greige fabric, the repeating number of warp yarns Rj = 18, and the repeating number of weft yarns Rw = 3.

[0011] By adopting the above technical solutions, the warp patterns are emphasized. Delicate patterns can be presented in the warp direction, while it is relatively simple and soft with good elasticity in the weft direction. Overall, the mountain texture in the warp direction is emphasized. The patterns seem simple and clear at a glance, but delicate and rich when looked closely, making the fabric beautiful and high-grade.

[0012] A preferred solution for the preparation method of the slightly elastic shuttle-woven fabric with mountain texture is that the width of the mountain peak structure is 1.4 - 1.6 mm, and the width of the valley structure is 1.4 - 1.6 mm.

[0013] By adopting the above technical solutions, in the present application, by precisely controlling the widths of the mountain peaks and valleys in the mountain texture, the mountain peaks and valleys are obvious and have a comfortable aesthetic feeling, meeting the aesthetic of the human eye.

[0014] A preferred solution for the preparation method of the slightly elastic shuttle-woven fabric with mountain texture is that the desizing step includes: impregnating and padding the woven greige fabric with hot water and then with an amylase solution in sequence, piling for 10 - 40 min, then steaming at 100 - 102 °C for 3 - 8 min, and then washing with water at 80 - 95 °C. The whole process the greige fabric is in a flat and relaxed state to achieve non-tension and environmentally friendly desizing, and then drying to obtain the pre-fixed greige fabric before sizing.

[0015] By adopting the above technical solution, the grey fabric maintains its intact mountain texture without deformation. The above desizing process can be as follows: the woven grey fabric is successively padded with hot water, padded with an amylase solution, piled for 10 - 40 min, steamed at 100°C - 102°C for 3 - 8 min, and washed at 80 - 95°C. The grey fabric is in a flat and relaxed state throughout the process to achieve tension-free and environmentally friendly desizing, and then dried to obtain the pre-set grey fabric before setting.

[0016] A preferred solution for the preparation method of the micro-elastic woven fabric with mountain texture is that the step of pre-setting the embryo includes: horizontally stretching and vertically stretching the desized grey fabric to make the warp density of the grey fabric reach 83 - 93 / inch and the weft density reach 90 - 100 / inch, and then pre-setting the embryo to obtain the pre-set embryo grey fabric.

[0017] By adopting the above technical solution, in this application, through careful design of the warp density and weft density, with the warp density significantly less than the weft density, the valley twill is visually weakened and the peak twill is strengthened, further enhancing the contrast effect of light and dark.

[0018] A preferred solution for the preparation method of the micro-elastic woven fabric with mountain texture is that the condition for pre-setting the embryo is to maintain at 190 - 210°C for 15 - 20 s.

[0019] By adopting the above technical solution, when the fabric is pre-set under this condition, the molecular chains and crystal lattices of the internal polyester fibers are rearranged, and the molecular chains of spandex are also rearranged, so that the fabric obtains good dimensional stability under the target pre-set specifications.

[0020] A preferred solution for the preparation method of the micro-elastic woven fabric with mountain texture is that the dyeing step includes: dyeing the pre-set embryo-treated grey fabric at 120 - 130°C, and then washing and drying.

[0021] By adopting the above technical solution, the soaping color fastness of the fabric obtained by this method is above 3 - 4 levels.

[0022] A preferred solution for the preparation method of the micro-elastic woven fabric with mountain texture is that the moisture absorption and drainage finishing step includes: Padding the dyed fabric with a finishing solution, and then drying to obtain the micro-elastic woven fabric with mountain texture; The finishing solution includes 0.2 - 0.4 g / L of DL-hydroxybutanedioic acid, 5 - 15 g / L of heat-reactive polyurethane resin, and 15 - 25 g / L of moisture absorption and sweat discharge finishing agent; The heat-reactive polyurethane resin is purchased from Archroma Chemicals (China) Co., Ltd., and the model is Hydroperm RPU liquid; The moisture absorption and sweat discharge finishing agent is purchased from Archroma Chemicals (China) Co., Ltd., and the model is Ultraphil HSD.

[0023] By adopting the above technical solutions, the processed fabric is soft, has good moisture absorption and sweat wicking properties, can maintain the texture for a long time, is not easy to deform, has a weft elastic elongation rate of more than 30%, a residual resilience of less than 9%, and a soaping color fastness of more than level 3-4.

[0024] In a second aspect, the present application also proposes a slightly elastic shuttle woven fabric with a mountain texture, and the following technical solutions are adopted.

[0025] A slightly elastic shuttle woven fabric with a mountain texture, prepared according to the preparation method of the slightly elastic shuttle woven fabric with a mountain texture described above.

[0026] By adopting the above technical solutions, the prepared fabric has a soft and fluffy hand feeling. The shuttle woven fabric has the softness of a knitted fabric, and has a dry and cottony soft hand feeling, with the comfortable touch of natural cotton fibers. The fabric has excellent tensile properties and is particularly suitable for sportswear.

[0027] In summary, the slightly elastic shuttle woven fabric with a mountain texture and its preparation method of the present application have the following beneficial effects: by selecting the 1 / 2 left twill weave unit and the 2 / 1 right twill weave unit as the materials for the pattern design, a low-key overall effect is achieved. At the same time, the 1 / 2 left twill weave unit is designed at the valley position, and the 2 / 1 right twill weave unit is designed at the peak position, obtaining a distinct visual contrast effect, highlighting the feature that the peak is significantly higher than the valley, and obtaining a strong three-dimensional sense; the warp and weft yarns are selected as the same 45D / 74F SD DTY polyester covered 20D / 2F spandex yarn, which not only gives the fabric a certain elasticity and fully meets the needs of human body relaxation, but also can improve the dyeing uniformity and color saturation; by controlling the warp density and weft density of the fabric, the warp density is significantly less than the weft density, so that the valley twill is weakened visually and the peak twill is strengthened, further enhancing the light and dark contrast effect; by reasonably controlling the number of twill weave units in the overall fabric repeat, the pattern avoids the appearance of being unclear and too conspicuous and vulgar, obtaining the optimal pattern size, improving the texture of the fabric design, and the good elasticity in the weft direction and the dry and soft hand feeling endow the fabric with good wearing comfort. Through the selection of raw materials and the reasonable control of various technical parameters, the present application obtains a slightly elastic shuttle woven fabric with a mountain texture, which is particularly suitable for sportswear. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is the design interweaving diagram of the slightly elastic shuttle woven fabric with a mountain texture.

[0029] Figure 2 is the design weave diagram of the slightly elastic shuttle woven fabric with a mountain texture.

[0030] Figure 3It is a schematic cross-sectional view of the design of a slightly elastic woven fabric with mountain texture.

[0031] Figure 4 It is a schematic twill diagram of the design of a slightly elastic woven fabric with mountain texture.

[0032] Figure 5 It is a magnified microscope image of the fabric sample prepared in Example 1.

[0033] Figure 6 It is a photographed image of the fabric sample prepared in Example 1. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the following embodiments, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present application.

[0035] Example 1 A preparation method of a slightly elastic woven fabric with mountain texture, and its production steps are as follows.

[0036] S1. Select target raw materials: Both the warp and weft yarns are 45D / 74F SD DTY polyester coated with 20D / 2F spandex yarn. The composition of this yarn is 93% (by weight) polyester + 7% (by weight) spandex, which ensures that the warp and weft yarns are colored synchronously during the fabric dyeing process. The selection of the yarn lays a key foundation for the color uniformity and saturation of the fabric. The yarn of this composition also endows the fabric with a certain elasticity, fully meeting the needs of human body relaxation and improving comfort.

[0037] S2. Design the target pattern: In the repeat unit of the whole fabric, the number of warp yarn repeats Rj = 18, and the number of weft yarn repeats Rw = 3; referring to Figure 1 the designed interweaving diagram of the whole fabric, and Figure 2 the designed weave diagram of the whole fabric, the weaving structure uses a continuous 3 - group 1 / 2 left - hand twill to weave the valley pattern, with the warp float Sj = 1 and the weft float Sw = 1 for each group of patterns; then use a continuous 3 - group 2 / 1 right - hand twill to weave the mountain pattern, with the warp float Sj = 1 and the weft float Sw = 1 for each group of patterns; referring to Figure 3 the designed cross - sectional schematic diagram of the fabric, the widths of both the mountain and the valley are 1.5 mm.

[0038] For the 1 / 2 left - hand twill, referring to Figure 1 the left - hand half of , 1 means the warp yarn crosses 1 time over the weft yarn (i.e., floats on 1 weft yarn), and 2 means the warp yarn passes under 2 weft yarns (i.e., sinks under 2 weft yarns). This interweaving method forms an oblique pattern, referring toFigure 4 Schematic diagram of the twill on the fabric surface. The direction of the twill is inclined from the lower right to the upper left. Interlacing rule: Each warp yarn interlaces according to the rule of "floating 1 and sinking 2". Continuous 3 groups: It means that the 1 / 2 left twill weave repeats continuously 3 times in the fabric. That is, after each group of 1 / 2 left twill weave is completed, the same weave is repeated 2 more times, for a total of 3 groups. This repetition can enhance the visual effect of the twill and the structural stability of the fabric.

[0039] For the 2 / 1 right twill, refer to Figure 1 the right half of Figure 4 Schematic diagram of the twill on the fabric surface. The direction of the twill is inclined from the lower left to the upper right.

[0040] S3. Yarn - Raw material preparation: Warping, sizing, and beam forming to prepare the yarn for fabric weaving.

[0041] S4. Weaving and desizing: In the weaving process, a rapier loom is used to thread and weave the prepared yarn according to the weave diagram designed in step S2 to obtain a woven grey fabric. The desizing process is to dip the woven grey fabric in hot water, dip it in an amylase solution, stack it for 30 min, steam it at 100 °C for 5 min, and wash it at 85 °C. The grey fabric is in a flat and relaxed state throughout the process to achieve tension - free and environmentally friendly desizing, and then it is dried to obtain the pre - shaped grey fabric before final shaping.

[0042] S5. Pre - shaping the grey fabric: Use a stenter to perform lateral stretching and longitudinal stretching on the grey fabric, control the warp and weft densities as: warp density 83 / inch, weft density 100 / inch. At the same time, perform high - temperature pre - shaping in the stenter cabinet. The pre - shaping conditions are 200 °C * 15 s. After pre - shaping, the specifications of the obtained grey fabric are approximately 139 cm * 125 g / m 2 , under this target pre - shaped fabric specifications, the internal molecular chains and crystal lattices of polyester fibers in the fabric are rearranged, and the molecular chains of spandex are also rearranged. Thus, the fabric obtains good dimensional stability under the target pre - shaped specifications.

[0043] S6. Dyeing and drying the fabric: According to the color requirements, use disperse dyes to dye the grey fabric at a high temperature of 130 °C to obtain a dyed fabric, then perform washing and neutralization, and finally dry it for use in the subsequent finishing and shaping.

[0044] In this embodiment, the concentration of the disperse dye is 5 g / L. After dyeing, the fabric is washed with 5 g / L caustic soda and 2 g / L hydrogen peroxide to remove the floating color, then the dyed fabric is rinsed with clean water, and after completion, the dyed fabric is dried for use in the subsequent finishing and shaping.

[0045] S7. Suction and Exhaust Finishing: Use a stentering machine to impregnate and dry the dyed fabric after drying with a finishing solution, endowing the fabric with excellent handfeel and enhancing its moisture absorption and sweat discharge performance. The conditions for the post-finishing machine are as follows: the roll pressure is 3 MPa, the fabric pick-up rate is 60%, the drying temperature is 110 °C, the effective baking time is 15 s, and the specifications of the finished fabric are 136 cm * 123 g / m 2 , the warp density is 78 / inch, the weft density is 102 / inch, and the widths of the peaks and valleys in the fabric texture pattern are both 1.5 mm.

[0046] The formula of the finishing solution used in step S7 is as shown in Table 1 below.

[0047] Table 1 Finishing Solution Formula The solvent used in the above finishing solution is water, and the concentration is the concentration of each raw material in the finishing solution. The thermoreactive polyurethane resin is used as a durable agent to make the fabric have a permanent plump and soft handfeel and improve the fabric's resilience. The compound emulsion of hydrophilic polymer and polysiloxane is used as a moisture absorption and sweat discharge agent to make the fabric have good moisture conductivity, reduce shrinkage, improve the wearing comfort, and enhance the fabric's washability. DL-hydroxybutanedioic acid is used as an organic acid to neutralize the lye and chelate metal ions, thereby improving the color deviation of the fabric.

[0048] Example 2 The main steps of this example are the same as those of Example 1, with the differences being: in step S5, the warp and weft densities are controlled as follows: the warp density is 93 / inch, the weft density is 90 / inch, and at the same time, high-temperature pre-setting of the embryo is carried out in the stentering machine cabinet. The pre-setting conditions are also 200 °C * 15 s. The specifications of the embryo fabric obtained after pre-setting are approximately 154 cm * 125 g / m 2 .

[0049] Example 3 The main steps of this example are the same as those of Example 1, with the differences being: (1) the weight ratio of polyester and spandex in the yarn of this example is different, and the yarn composition of this example is 92% (by weight) polyester + 8% (by weight) spandex; (2) the width of the peak tissue in this example is 1.4 mm, and the width of the valley tissue is 1.4 mm; (3) the desizing parameters in step S4 of this example are: impregnate the woven embryo fabric with hot water and then with an amylase solution in sequence, stack for 10 min, then steam at 102 °C for 8 min, and then wash with water at 80 °C; (4) the pre-setting conditions in step S5 of this example are to maintain at 190 °C for 20 s; (5) in step S6 of this example, disperse dyes are used to dye the embryo fabric at a high temperature of 120 °C; (6) the formula of the finishing solution in step S7 of this example is as shown in Table 2 below.

[0050] Table 2 Finishing Liquid Formula Example 4 The main steps of this example are the same as those of Example 1, with the differences being: (1) The weight ratio of polyester to spandex in the yarn of this example is different. The yarn composition of this example is 94% (by weight) polyester + 6% (by weight) spandex; (2) The width of the mountain pattern in this example is 1.6 mm, and the width of the valley pattern is 1.6 mm; (3) The desizing parameters in step S4 of this example are: successively padding the woven grey fabric with hot water and then with an amylase solution, piling for 40 min, then steaming at 101 °C for 3 min, and then washing with water at 95 °C; (4) The pre-set embryo conditions in step S5 of this example are to maintain at 210 °C for 18 s; (5) In step S6 of this example, the grey fabric is dyed with disperse dyes at a high temperature of 125 °C; (6) The finishing liquid formula in step S7 of this example is as shown in Table 3 below.

[0051] Table 3 Finishing Liquid Formula Comparative Examples 1 - 4 The main steps of Comparative Examples 1 - 4 are the same as those of Example 1, with the differences being: The number of consecutive valley groups and the number of consecutive mountain groups in step S2 are different. The specific parameters of Comparative Examples 1 - 4 and Example 1 are compared as follows: Example 1: As Figure 5 The magnified micrograph of the fabric in-kind, the valley uses 3 consecutive groups of 1 / 2 left twill weave, the mountain uses 3 consecutive groups of 2 / 1 right twill weave, the widths of both the mountain and the valley are 1.5 mm, the pattern size is neither too big nor too small, clearly visible to the naked eye, and the beauty and the shapes of the mountain and the valley are highlighted.

[0052] Comparative Example 1: The valley uses 1 consecutive group of 1 / 2 left twill weave, the mountain uses 1 consecutive group of 2 / 1 right twill weave, the widths of both the mountain and the valley are 0.5 mm, the pattern is too small to be seen by the naked eye, without beauty or shape.

[0053] Comparative Example 2: The valley uses 6 consecutive groups of 1 / 2 left twill weave, the mountain uses 6 consecutive groups of 2 / 1 right twill weave, the widths of both the mountain and the valley are 1.5 mm, the pattern is too large, clearly visible to the naked eye, and the shapes of the mountain and the valley are too ostentatious and prominent, not suitable for the low-key luxury design goal.

[0054] Comparative Example 3: The valley uses 9 consecutive groups of 1 / 2 left twill weave, the mountain uses 9 consecutive groups of 2 / 1 right twill weave, the widths of both the mountain and the valley are 1.5 mm, the pattern is too large, clearly visible to the naked eye, too ostentatious and low-grade, not suitable for the low-key luxury design goal.

[0055] Comparative Example 4: The valley adopts a continuous 3 - group 1 / 2 left twill weave, and the peak adopts a continuous 3 - group 2 / 1 left twill weave. The widths of both the peak and the valley are 1.5 mm, and the pattern size is medium. However, the contrast effect of the twill texture on the peak and the valley is too weak, and it is almost impossible to distinguish the boundary between the peak and the valley. The effect is uglier than that of ordinary twill.

[0056] Comparative Examples 5 - 7 Comparative Examples 5 - 7 have the same main steps as Example 1. The differences are: different warp and weft densities are controlled, and the specifications of the greige cloth obtained after pre - determination are also different. Comparative Examples 5 - 7, Example 1, and Example 2 are compared as follows.

[0057] Example 1: Warp density 83 / inch, weft density 100 / inch, greige cloth specification approximately 139 cm * 125 g / m 2 , as Figure 6 the physical picture of the fabric shows that its fabric surface has relatively strong three - dimensional sense, the unevenness of the fabric surface is not strong when touched, and it is comfortable to wear.

[0058] Example 2: Warp density 93 / inch, weft density 90 / inch, greige cloth specification approximately 154 cm * 125 g / m 2 , the fabric surface has very weak three - dimensional sense, the unevenness of the fabric surface is not strong when touched, and it is comfortable to wear.

[0059] Comparative Example 5: Warp density 63 / inch, weft density 120 / inch, sizing cannot achieve the specification. Even if it is achieved theoretically, it is expected that the unevenness of the fabric surface when touched is too strong and it is uncomfortable to wear.

[0060] Comparative Example 6: Warp density 73 / inch, weft density 110 / inch, greige cloth specification approximately 126 cm * 125 g / m 2 , the fabric surface has too strong three - dimensional sense, the widths of both the peak and the valley in the fabric texture pattern are 1.39 mm, the unevenness of the fabric surface is too strong when touched, and it is uncomfortable to wear.

[0061] Comparative Example 7: Warp density 103 / inch, weft density 80 / inch, sizing cannot achieve the specification. Even if it is achieved theoretically, the peak and the valley will be reversed, and the texture is rough, unable to meet the design goal.

[0062] By comprehensively comparing the above Examples 1-2 and Comparative Examples 1-7, the following conclusions can be drawn: (1) For the pattern, when using the weaving structure of Example 1, that is, the valley adopts a continuous 3-group 1 / 2 left twill weave, and the peak adopts a continuous 3-group 2 / 1 right twill weave, and both the width of the peak and the valley is 1.5 mm, the pattern size is moderate, clearly visible to the naked eye, the shapes of the peak and the valley are prominent, with a sense of beauty, meeting the design goal of low-key luxury. Comparative Examples 1-3 adopt continuous 1, 6 or 9 groups of left and right twills, without a sense of beauty, not meeting the design goal of low-key luxury. In Comparative Example 4, the valley adopts a continuous 3-group 1 / 2 left twill weave, and the peak adopts a continuous 3-group 2 / 1 left twill weave, and the contrast effect of the twill texture on the peak and the valley is too weak, without a sense of beauty. (2) Preferably, the predetermined warp density of Examples 1-2 is 83-93 / inch, and the weft density is 100-90 / inch. The fabric surface feels not strongly uneven, comfortable to wear. More preferably, the predetermined warp density of Example 1 is 83 / inch, and the weft density is 100 / inch. The fabric surface has a relatively strong three-dimensional sense and is more beautiful.

[0063] It should be noted that compared with Example 1, in Examples 3-4, the widths of the peak tissue and the valley tissue are slightly adjusted downward or upward. Similarly, the pattern is moderate, with a sense of beauty, and the fabric surface feels not strongly uneven, but Example 1 is more beautiful. Compared with Example 1, in Examples 3-4, the concentrations of the components of the finishing liquid are adjusted, and the fabric is more comfortable to wear, but the wearing comfort of the fabric in Example 1 is better.

[0064] The color fastness of the micro-elastic woven fabrics prepared in Examples 1-4 was tested, and the test items and results are shown in Table 4 below.

[0065] Table 4 Color fastness test results of the micro-elastic woven fabrics of Examples 1-4 The tensile test was carried out on the micro-elastic woven fabrics prepared in Examples 1-4, and the test items and results are shown in Table 5 below.

[0066] Table 5 Fabric tensile test of Examples 1-4 The micro-elastic woven fabrics obtained in Examples 1-4 have a warp elastic elongation rate of more than 30%, a weft elastic elongation rate of more than 60%, a residual resilience of less than 9%, and a soaping color fastness reaching the qualified standard of more than 3-4 levels.

[0067] In this application, 1 / 2 left twill weave units and 2 / 1 right twill weave units are selected as the materials for pattern design to achieve a low-key purpose. At the same time, the 1 / 2 left twill weave units are designed at the valley position, and the 2 / 1 right twill weave units are designed at the peak position to obtain a distinct visual contrast effect, highlighting the feature that the peak is significantly higher than the valley and achieving a strong three-dimensional sense. The warp and weft yarns are the same 45D / 74F SD DTY polyester covered 20D / 2F spandex yarn, which not only gives the fabric a certain elasticity and fully meets the needs of the human body to stretch, but also improves the dyeing uniformity and color saturation of the fabric. By controlling the warp density and weft density of the fabric, with the warp density significantly less than the weft density, the valley twill is visually weakened and the peak twill is strengthened, further enhancing the light and dark contrast effect. Through reasonable control of the number of twill weave units in the overall fabric tissue cycle, the pattern avoids an appearance that is unclear or too conspicuous, high-profile and vulgar, obtaining an extremely excellent pattern size and enhancing the texture of the fabric.

[0068] Through the selection of original materials and reasonable control of various technical parameters, this application obtains this micro-elastic shuttle-woven fabric with a mountain texture, which has a strong three-dimensional sense on the fabric surface, clear surface pit patterns, and good visual effects. The fabric feels soft and fluffy, achieving the soft performance of knitted fabric with shuttle-woven fabric, and feels dry and cottony, having the comfortable touch of natural cotton fibers. The fabric has excellent stretching performance and is especially suitable for sports clothing.

[0069] Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method for preparing a micro-stretch woven fabric with a mountain texture, characterized in that: The following steps are involved: Yarn preparation, weaving grey cloth, desizing, pre-weaving, dyeing and suction and drainage finishing; The step of weaving the grey cloth is to weave the warp yarns and the weft yarns according to the following weaving structure to obtain the grey cloth having several groups of specific pattern structural units: Three consecutive groups of 1 / 2 left twill weaves are used to weave the valley weave, and the warp flying number Sj=1 and the weft flying number Sw=1 for each group of pattern. Then, three consecutive groups of 2 / 1 right twill weaves are used to weave the peak weave, and the warp flying number Sj=1 and the weft flying number Sw=1 for each group of pattern. The valley weave and the peak weave are woven alternately and continuously to obtain the grey cloth.

2. The method for preparing a mountain texture micro-stretch woven fabric according to claim 1, characterized in that: The warp yarn and weft yarn are made of the same 45D / 74F semi-bright polyester low-elastic yarn covered with 20D / 2F spandex yarn; in the yarn, the mass content of polyester is 92%~94%, and the mass content of spandex is 6%~8%.

3. The method for preparing a mountain texture micro-stretch woven fabric according to claim 1, characterized in that: In the cycle structure of the entire woven grey cloth, the warp yarn cycle number Rj=18, and the weft yarn cycle number Rw=3.

4. The method for preparing a mountain texture micro-stretch woven fabric according to claim 1, characterized in that: The width of the peak structure is 1.4~1.6mm, and the width of the valley structure is 1.4~1.6mm.

5. The method for preparing a mountain texture micro-stretch woven fabric according to claim 1, characterized in that: The desizing step comprises: sequentially padding the woven grey cloth with hot water and padding with amylase solution, stacking for 10-40 minutes, then steaming at 100-102° C. for 3-8 minutes, and then washing with water at 80-95° C., wherein the grey cloth is in a flat-width relaxed state during the whole process, achieving tension-free and environmentally friendly desizing, and then drying to obtain the grey cloth before fixing.

6. The method for preparing a mountain texture micro-stretch woven fabric according to claim 1, characterized in that: The step of pre-setting the embryo comprises: performing transverse tentering and longitudinal stretching on the desized embryo cloth to make the warp density of the embryo cloth reach 83-93 / inch and the weft density reach 90-100 / inch, and then pre-setting the embryo to obtain the pre-set embryo embryo cloth.

7. The method for preparing a mountain texture micro-stretch woven fabric according to claim 6, characterized in that: The predetermined embryo condition is maintained at 190-210°C for 15-20 seconds.

8. The method for preparing a mountain texture micro-stretch woven fabric according to claim 1, characterized in that: The dyeing step comprises: dyeing the predetermined processed grey cloth at 120-130° C., and then washing and drying.

9. The method for preparing a mountain texture micro-stretch woven fabric according to claim 1, characterized in that: The suction and discharge finishing step comprises: dipping the dyed fabric into the finishing liquid, and then drying to obtain a slightly elastic woven fabric with a mountain texture; The finishing liquid comprises 0.2-0.4 g / L of DL-hydroxysuccinic acid, 5-15 g / L of a heat-reactive polyurethane resin, and 15-25 g / L of a moisture absorption and perspiration finishing agent; The heat-reactive polyurethane resin was purchased from Archroma Chemicals (China) Co., Ltd., and the model number was HydropermRPU liquid; The moisture absorption and perspiration finishing agent was purchased from Archroma Chemicals (China) Co., Ltd., and the model number is Ultraphil HSD.

10. A slightly elastic woven fabric with a mountain texture, characterized in that: The fabric is prepared according to the method for preparing a micro-stretch woven fabric with a mountain texture according to any one of claims 1 to 9.

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