Bark wrinkled knitted fabric as well as preparation method and application thereof

Abstract

The invention provides a bark wrinkled knitted fabric and a preparation method and application thereof.The preparation method comprises the steps that gray fabric with a surface layer, a needle joining layer and a bottom layer is obtained through weaving, then the obtained gray fabric is sequentially subjected to dyeing, semi-customized softening, bottom grabbing, bottom combing, bottom cutting, drying and shaping treatment, and the bark wrinkled knitted fabric can be obtained; in the whole preparation method, a special weaving method is not adopted, the surface layer does not need to be independently treated, and the bark wrinkle knitted fabric with the bark wrinkle effect on the surface layer and the small polar fleece on the bottom layer can be obtained only by utilizing different shrinkage degrees of yarns of the surface layer and the bottom layer after being heated and cooled; the bark wrinkled knitted fabric is gorgeous in appearance, soft in hand feeling, capable of preserving heat and defending against cold, wide in application range and especially suitable for preparation of high-gram-weight cloth.

Description

Technical Field

[0001] The invention belongs to the technical field of textiles, and in particular relates to a bark wrinkled knitted fabric and a preparation method and application thereof. Background Art

[0002] As people's aesthetic taste gradually improves, they have higher requirements for the texture of fabrics. Bark wrinkle fabrics with obvious wrinkles on the surface and soft texture are favored by consumers. Bark wrinkle fabrics are a kind of fabric with the appearance of bark texture. The main ingredients are generally divided into two categories: silk and chemical fiber. The former is extremely expensive, and the latter is generally made of cotton yarn and spandex core-spun yarn. Its characteristics are that the fabric surface has a wrinkle texture, and the color is mostly natural brown or gray, which is very primitive and natural.

[0003] Unlike other textiles, bark wrinkle fabrics need to undergo special processing. CN109735989A discloses a bark wrinkle fabric, the yarn of which is a blend of tencel and modal, the blending ratio of which is 65:35; the yarn count of the bark wrinkle fabric is 55 sterling, the warp and weft density is 120×105 strands / inch, the width of the fabric is 67 inches, and the structure of the bark wrinkle fabric is a composite of 1 / 1 plain weave and 5 / 1 twill; the invention also involves the production process of the above fabric, which is winding, warping, sizing, reeding, weaving, and finishing in sequence. The fabric produced by the above weaving method has the advantages of good drape, softness, glossy texture and special texture, and the production process is simple and the production cost is low.

[0004] However, most of the preparation methods of bark wrinkle fabrics currently available on the market, including the above-mentioned invention, have more production processes. The complicated processes easily lead to unclear wrinkling effect of the fabric, or wrinkling failure, or uneven wrinkling with wrinkles of different sizes, and then hidden wrinkles or wrinkles, which affect its appearance. In addition, the existing bark wrinkle fabrics are light in weight and have poor hand feel. Most of them are only suitable for making clothing with light and thin materials and simple structure, such as women's skirts and thin coats suitable for spring and summer, and are difficult to promote in autumn and winter.

[0005] Therefore, in view of the above problems, developing a method for preparing bark wrinkle knitted fabric with simple process and good wrinkle effect and soft hand feel is still a technical problem that needs to be solved urgently in this field. Summary of the invention

[0006] In view of the deficiencies in the prior art, the object of the present invention is to provide a bark wrinkle knitted fabric and a preparation method and application thereof. The preparation method has fewer steps, does not require the use of a special weaving method, and does not require any separate treatment of the surface layer. Only by utilizing the different degrees of shrinkage of the yarns of the surface layer and the bottom layer after being heated and cooled, a bark wrinkle knitted fabric with a bark wrinkle effect on the surface layer and small polar fleece on the bottom layer can be obtained. The bark wrinkle knitted fabric not only has a gorgeous appearance and a soft touch, but also can keep warm and protect against cold. It has a wide range of applications and is particularly suitable for the preparation of high-weight fabrics.

[0007] In order to achieve the purpose of the invention, the present invention adopts the following technical solutions:

[0008] In a first aspect, the present invention provides a method for preparing a bark wrinkle knitted fabric, the method comprising the following steps:

[0009] (1) Weaving to obtain a grey fabric having a surface layer, a needle layer and a bottom layer;

[0010] (2) The obtained grey cloth is subjected to dyeing, semi-customized softening, bottom grasping, bottom combing, bottom cutting, drying and shaping treatment in sequence to obtain the bark wrinkle knitted cloth.

[0011] The preparation method of the bark wrinkle knitted fabric provided by the present invention first needs to weave a grey fabric with a "sandwich structure" of a surface layer, a needle layer and a bottom layer, and then dye, semi-customize, grasp, comb, cut, dry and shape the obtained grey fabric in sequence to obtain the bark wrinkle knitted fabric; in the entire preparation method, no special weaving method is used, and no special treatment is required for the surface layer, so that the bark wrinkle knitted fabric with a surface layer having a bark wrinkle effect and a bottom layer having small polar fleece can be obtained;

[0012] Specifically, during the above-mentioned bottom grabbing, combing and cutting processes, the grey fabric will be subjected to a huge pulling force in the longitudinal direction and then rebound; at the same time, during the steam heating, hot air drying and cold air cooling processes of the drying process, there is a difference in the expansion and contraction of the yarns used in the surface layer and the bottom layer of the grey fabric, the surface layer shrinks more, and the bottom layer shrinks less, so that a unique bark wrinkle effect can be formed on the surface layer in the drying process, and the wrinkles are very uniform and lasting. This method avoids the damage to the "wrinkles" caused by multiple processes, especially reduces the damage to the "wrinkles" caused by the post-dyeing and finishing processes, and because pure mechanical processing can produce an effect of uniform coverage of wool particles on the bottom layer of the grey fabric, it is extremely soft and very environmentally friendly. It can have a luxurious and high-end appearance, let the skin feel silky, and keep warm. It is not picky about the type of cloth and the weaving process, and has a wide range of applications. It is very suitable for high-weight cloth, and is therefore suitable for the preparation of autumn and winter clothing.

[0013] Preferably, the weaving is carried out on a weft knitting double-sided circular machine.

[0014] Preferably, the weight of the grey cloth is 220-280 g / m 2 , for example 250g / m 2 , 252g / m 2 , 254g / m 2 , 256g / m 2 , 258g / m 2 , 260g / m 2 , 262g / m 2 , 264g / m 2 , 268g / m 2 or 270g / m 2 Etc.; if the gram weight is too large, the tissue structure will be thick and the wrinkle effect will not be obvious; if the gram weight is too small, it will be too thin, which will also lead to unclear wrinkle effect.

[0015] Preferably, the yarn of the surface layer comprises CD POLY yarn, and more preferably 75D / 72F CD POLY yarn.

[0016] Preferably, the yarn of the pick-up layer includes CD POLY yarn, and more preferably 50D / 24F CD POLY yarn.

[0017] Preferably, the yarn of the bottom layer comprises NYLON 6 yarn, more preferably 70D / 136F NYLON 6 yarn.

[0018] Preferably, the mass percentage of 75D / 72F CD POLY yarn in the grey cloth is 25-35%, for example, 25%, 27%, 29%, 30%, 31%, 33% or 35%.

[0019] Preferably, the mass percentage of 50D / 24F CD POLY yarn in the grey cloth is 15-25%, for example, 16%, 17%, 18%, 19%, 20%, 22%, 24% or 25%.

[0020] Preferably, the mass percentage of NYLON 6 yarn in the grey cloth is 50-60%, for example, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59% or 60%.

[0021] Preferably, the dyeing method is the same-tank dyeing, specifically dyeing NYLON 6 yarn with acidic material, washing the tank, and then dyeing CD POLY yarn with cationic dyes in the same tank.

[0022] Preferably, the semi-custom softening method comprises the steps of introducing the dyed grey cloth into a slurry tank of a setting machine for sizing, and then putting the grey cloth into an oven for setting.

[0023] Preferably, the slurry tank of the setting machine includes hydrophilic soft oil DF303. In the process of semi-customized softening using the setting machine, there is a slurry tank in front of the setting machine, which is connected to the slurry barrel. The slurry barrel contains prepared slurry, so as to make the grey cloth soft and convenient for the subsequent special finishing and raising. Preferably, the concentration of the raising soft oil DF303 in the slurry tank of the setting machine is 10-30g / L, such as 10g / L, 12g / L, 14g / L, 16g / L, 18g / L, 20g / L, 22g / L, 24g / L, 26g / L, 28g / L or 30g / L, etc. The soft oil needs to be added enough to avoid poor raising effect later. The higher the concentration of the soft oil, the better the velvet of the special finishing later, but it cannot be too high, so as not to feel too soft and cause waste of soft oil.

[0024] Preferably, the bottom grasping is carried out in a group of lafer grasping machines, and the group of lafer grasping machines includes four combined lafer grasping machines.

[0025] Preferably, the drum speeds of the four combined lafer plucking machines are independently 90-110 r / min, for example, 90 r / min, 92 r / min, 94 r / min, 96 r / min, 98 r / min, 100 r / min, 102 r / min, 104 r / min, 106 r / min, 108 r / min or 110 r / min, etc.

[0026] Preferably, the speeds of the four combined lafer plucking machines are independently 10 to 20 m / min, for example, 10 m / min, 12 m / min, 14 m / min, 16 m / min, 18 m / min or 20 m / min.

[0027] Preferably, each of the lafer plucking machines comprises a needle raising roller and a needle covering roller.

[0028] Preferably, the needle raising roller parameters of the first lafer plucking machine among the four combined lafer plucking machines are 4.5, the covering needle roller parameters are 6, and the tension is 5N; the needle raising roller parameters of the second lafer plucking machine are 5, the covering needle roller parameters are 6.5, and the tension is 4N; the needle raising roller parameters of the third lafer plucking machine are 5, the covering needle roller parameters are 6.5, and the tension is 5N; the needle raising roller parameters of the fourth lafer plucking machine are 5.5, the covering needle roller parameters are 6.5, and the tension is 5N.

[0029] Among them, the "needle roller parameter" refers to a parameter on the screen of the lafer plucking machine, which is a comprehensive calculated value, which is related to the big drum speed, running machine parameters and tension; the needle roller parameter can be set to ±20, and the motor has a full speed of 1460r / min under the state of 220V / 50HZ, but when this motor rotates, it is driven to the radial shaft of the needle roller through a belt. When it is set to 4.5, the test speed of the drive motor is 1025r / min, and the linear speed of the drive radial shaft belt is 1280r / min.

[0030] Preferably, the combing is carried out in a key wheel combing machine.

[0031] Preferably, the front tension of the key wheel combing machine is 94-97N, such as 94N, 95N, 96N or 97N.

[0032] Preferably, the back tension of the key wheel combing machine is 97-99N, for example, 97N, 97.5N, 98N, 98.5N or 99N.

[0033] Preferably, the drum speed of the key wheel combing machine is 90-110r / min, for example, 90r / min, 92r / min, 94r / min, 96r / min, 98r / min, 100r / min, 102r / min, 104r / min, 106r / min, 108r / min or 110r / min, etc.

[0034] Preferably, the covering roller parameter of the key wheel combing machine is 30, and the raising roller parameter is 14.

[0035] Preferably, the key wheel combing machine has a machine speed of 10 to 20 m / min, such as 10 m / min, 12 m / min, 14 m / min, 16 m / min, 18 m / min or 20 m / min.

[0036] Preferably, the shearing is performed in a shearing machine.

[0037] Preferably, the rotation speed of the shearing machine is 900-1100 r / min, for example, 900 r / min, 920 r / min, 940 r / min, 960 r / min, 1000 r / min, 1020 r / min, 1040 r / min, 1060 r / min, 1080 r / min or 1100 r / min.

[0038] Preferably, the speed of the bottom cutting machine is 10 to 20 m / min, for example, 10 m / min, 12 m / min, 14 m / min, 16 m / min, 18 m / min or 20 m / min.

[0039] Preferably, the tension of the shearing machine is 0.4-0.6N, for example, 0.4N, 0.42N, 0.44N, 0.46N, 0.48N, 0.5N, 0.52N, 0.54N, 0.56N, 0.58N or 0.6N.

[0040] Preferably, the drying is carried out in a high-powered pelletizer.

[0041] Preferably, the drying includes the processes of steam heating, hot air drying and cold air cooling, and an exhaust device works continuously during the whole process, and the exhaust can remove the dust to avoid accumulation and contamination on the cloth surface.

[0042] Preferably, the shaping is carried out in a shaping machine.

[0043] Preferably, the shaping process includes the steps of introducing the dried grey cloth into a sizing tank of a shaping machine for sizing, and then putting the grey cloth into an oven for shaping.

[0044] Preferably, the slurry tank of the setting machine includes hydrophilic soft oil WF346.

[0045] Preferably, the concentration of the hydrophilic soft oil WF346 in the slurry tank of the setting machine is 10-30g / L, for example, 10g / L, 12g / L, 14g / L, 16g / L, 18g / L, 20g / L, 22g / L, 24g / L, 26g / L, 28g / L or 30g / L. In order to make the cloth have a certain water absorption effect, the hydrophilic soft oil WF346 can be used. The concentration of the hydrophilic soft oil can be adjusted according to actual needs, and it should not be too high to avoid greasy hand feeling. In a second aspect, the present invention provides a bark wrinkle knitted fabric, and the bark wrinkle knitted fabric is prepared by the preparation method as described in the first aspect.

[0046] In a third aspect, the present invention provides a use of the bark wrinkle knitted fabric as described in the second aspect in clothing.

[0047] Compared with the prior art, the present invention has the following beneficial effects:

[0048] (1) The preparation method of the bark wrinkle knitted fabric provided by the present invention comprises the steps of first weaving a grey fabric having a surface layer, a needle layer and a bottom layer, and then dyeing, semi-customizing, bottom grasping, bottom combing, bottom cutting and drying the grey fabric in sequence to obtain the bark wrinkle knitted fabric. The whole preparation method does not require special weaving and processing steps, the process is simple, and the damage to the "wrinkle" caused by multiple weaving steps is avoided, especially the damage to the "wrinkle" caused by the dyeing and finishing steps is reduced. Only by exerting efforts in the special finishing step, ordinary cloth can be gorgeously transformed into wrinkle cloth, which maintains the "wrinkle" style very authentically, and is not picky about the type of cloth, and is very suitable for cloth with high gram weight;

[0049] (2) The preparation method of the bark wrinkle knitted fabric provided by the present invention does not require the addition of special additives, and can make the bottom layer of the fabric appear to be evenly covered with wool particles. The fabric feels very soft, which can make the skin feel silky and smooth, and can also keep warm, making it very suitable for preparing autumn and winter clothing. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 The fabric organization diagram of the bark wrinkle knitted fabric provided in Example 1;

[0051] Figure 2 This is a physical picture of the plucking roller group of the Italian Lafer plucking machine;

[0052] Figure 3 This is a physical picture of the surface layer of the bark wrinkled knitted fabric obtained in Example 1;

[0053] Figure 4 This is a physical picture of the bottom layer of the bark wrinkled knitted fabric obtained in Example 1. DETAILED DESCRIPTION

[0054] The technical solution of the present invention is further described below by specific implementation methods. It should be understood by those skilled in the art that the embodiments are only used to help understand the present invention and should not be regarded as specific limitations of the present invention.

[0055] The detailed information of some raw materials and equipment involved in the following specific implementation is as follows:

[0056] (1) 75D / 72F CD POLY yarn: purchased from Shenghong, China;

[0057] (2) 50D / 24F CD POLY yarn: purchased from Shenghong, China;

[0058] (3) 70D / 136F NYLON6 yarn: purchased from Jiahua, China;

[0059] (4) Hair plucking machine: Italian Lafer hair plucking machine, purchased from Italy Lafer;

[0060] (5) Key wheel combing machine: purchased from Key Wheel Machinery, Taiwan, China;

[0061] (6) Shearing machine: purchased from Yuantu, Taiwan, China;

[0062] (7) Powerful granulator: purchased from Qiangye Machinery;

[0063] (8) Monforts setting machine: purchased from Monforts Textile Machinery of Lixin;

[0064] (9) Cationic dyes:

[0065] Cationic yellow ED-7G, commonly available in the market;

[0066] Cationic yellow ED-GL01, commonly available in the market;

[0067] Cationic red ED-GRL, commonly available in the market.

[0068] (10) Acid dyes:

[0069] Lanacet Acid Yellow 4GN, commonly available in the market;

[0070] Acid Yellow NHF-S, commonly available in the market.

[0071] (11) Soft oil:

[0072] Raising soft oil DF303, commonly available in the market.

[0073] Hydrophilic soft oil WF346, commonly available in the market.

[0074] Example 1

[0075] A method for preparing bark wrinkled knitted fabric, which specifically comprises the following steps:

[0076] (1) Weaving: Weaving is carried out on a weft knitting double-sided circular machine, using a "sandwich structure" weaving method to obtain a grey fabric with a surface layer, a needle layer and a bottom layer;

[0077] Among them, the weight of the grey fabric is 250g / m 2 The yarn of the surface layer is 75D / 72F CD POLY yarn, the yarn of the needle layer is 50D / 24F CD POLY yarn, and the yarn of the bottom layer is 70D / 136F NYLON 6 yarn, and the mass percentages of the three in the grey cloth are 29%, 19% and 52% respectively;

[0078] Specific weaving methods such as Figure 1 As shown, Figure 1 In the process, one yarn tube is numbered as 1, and positions 1 to 12 form a cycle, where 1 and 7 are the needle layer in the middle, 2-5, 8-11 are the bottom layer, and 4 yarn tubes need to be placed on the bottom layer, and 6 and 12 are the surface layer;

[0079] (2) Dyeing: Using the same-tank dyeing method, NYLON 6 yarn is first dyed with acid dyes. After fixation, CD POLY yarn is then dyed with cationic dyes.

[0080] (3) Semi-customized soft: The dyed grey cloth is introduced into the slurry tank of the setting machine for padding. There is a slurry tank in front of the setting machine, which is connected to the slurry barrel. The slurry barrel contains the prepared slurry. The concentration of the fuzzing soft oil DF303 in the slurry is 20g / L. After padding, it passes through a uniform padding car and then enters the setting machine oven for drying;

[0081] (4) Grasping the bottom: Four Italian Lafer plucking machines are used to grasp the bottom of the above-mentioned grey fabric; the actual picture of the plucking roller group of the Italian Lafer plucking machine is as follows Figure 2 As shown, the hair grabbing roller group includes a needle raising roller and a needle covering roller;

[0082] Among them, the drum speed of the four Italian lafer bottom grasping machines is 100r / min, and the machine speed is 15m / min. The parameters of the needle roller of the first Italian lafer bottom grasping machine are 4.5, the parameters of the needle roller are 6, and the tension is 5N. The parameters of the needle roller of the second Italian lafer bottom grasping machine are 5, the parameters of the needle roller are 6.5, and the tension is 4N. The parameters of the needle roller of the third Italian lafer bottom grasping machine are 5, the parameters of the needle roller are 6.5, and the tension is 5N. The parameters of the needle roller of the fourth Italian lafer bottom grasping machine are 5.5, the parameters of the needle roller are 6.5, and the tension is 5N.

[0083] (5) Bottom combing: The grey cloth with the bottom grasped is combed with a key wheel combing machine. The front tension of the key wheel combing machine is 96N, the rear tension is 98N, the drum speed is 100r / min, the covering needle roller parameter is 30, the starting needle roller parameter is 14, and the machine speed is 15m / min;

[0084] (6) Bottom cutting: The base of the grey cloth after combing is cut by a Yuantu shearing machine. The speed setting parameter of the shearing knife is 1000, the knife distance parameter is set to 200, the machine speed is 15m / min, and the tension is 0.5N;

[0085] (7) Drying: The grey fabric after cutting is dried by a powerful shaker. The powerful shaker includes 30 minutes of steam drying, 40 minutes of hot air drying and 20 minutes of room temperature air blowing (equivalent to cold blowing), and the process of exhausting the dust. By adjusting the intensity and time of steam and hot air, different degrees of shrinkage can be formed, thereby forming wrinkles of different sizes. By adjusting the time of room temperature air blowing, the degree of granulation can be controlled.

[0086] (8) Shaping: In order to obtain the required stable specifications, a setting machine is used to shape and finish the grey cloth after drying. The cloth is introduced into the slurry tank of the setting machine for immersion and rolling. The concentration of hydrophilic soft oil WF346 in the slurry is 20g / L. After immersion and rolling, it is passed through a uniform rolling car and then put into the setting machine oven for drying. Then, a bark wrinkle knitted cloth with a bark wrinkle surface layer and a small polar fleece effect on the bottom layer can be obtained.

[0087] The bark wrinkle knitted fabric prepared by the preparation method provided in Example 1 was visually observed, and the surface layer of the bark wrinkle knitted fabric provided in Example 1 was obtained as shown in the figure. Figure 3 As shown, the bottom layer of the bark wrinkled knitted fabric provided in Example 1 is obtained as shown in FIG. Figure 4As shown;

[0088] from Figure 3 and 4 It can be seen that the surface layer of the bark wrinkle knitted fabric provided in Example 1 has very uniform and unique bark wrinkles, and the bottom layer of wool particles is evenly covered and feels very soft.

[0089] Comparative Example 1

[0090] A method for preparing a knitted fabric, which differs from Example 1 only in that, during the semi-custom softening process, sizing is replaced by water sizing, and other steps, parameters and yarn types are the same as those in Example 1.

[0091] It was observed that the knitted fabric obtained by the preparation method provided in Comparative Example 1 remained in a hard state and could not be raised.

[0092] Comparative Example 2

[0093] A method for preparing a knitted fabric, which differs from Example 1 only in that the bottom grasping process is not performed, and the bottom combing and bottom cutting are directly performed after the fabric is semi-softened, and the other steps, parameters and yarn types are the same as those in Example 1.

[0094] It was observed that the bottom layer of the knitted fabric obtained by the preparation method provided in Comparative Example 2 had less napping, could not form a fluff layer, and could not form a polarizing effect after subsequent drying.

[0095] Comparative Example 3

[0096] A method for preparing a knitted fabric, which differs from Example 1 only in that the bottom combing and bottom cutting processes are not performed, and the grey fabric after the bottom grasping is directly thrown dry, and the other steps, parameters and yarn types are the same as those in Example 1.

[0097] It has been observed that the knitted fabric obtained by the preparation method provided in Comparative Example 3 is not combed or sheared. After combing, the hair at the bottom is in a mess, some are long, some are short, some are lying down, and some are standing up. It is directly thrown dry without combing or shearing. Finally, the hair at the bottom will curl up irregularly into balls. Affected by the disordered entanglement of the hair at the bottom layer, the surface layer is wrinkled but very irregularly.

[0098] Comparative Example 4

[0099] A method for preparing a knitted fabric, which differs from Example 1 only in that no drying process is performed, and the grey fabric with the bottom cut is directly shaped, and other steps, parameters and yarn types are the same as those in Example 1.

[0100] It has been observed that the knitted fabric obtained by the preparation method provided in Comparative Example 4 does not have the effect of bark wrinkles because it does not undergo the steps of steam heating, hot air drying, and cold air cooling in a strong grain shaker, and the yarns of the surface layer and the bottom layer do not shrink differently to produce bark wrinkles.

[0101] The applicant declares that the present invention illustrates a bark wrinkle knitted fabric and its preparation method and application through the above embodiments, but the present invention is not limited to the above process steps, that is, it does not mean that the present invention must rely on the above process steps to be implemented. Those skilled in the art should understand that any improvement of the present invention, equivalent replacement of the raw materials selected by the present invention, addition of auxiliary components, selection of specific methods, etc., all fall within the protection scope and disclosure scope of the present invention.

Claims

1. A method for preparing bark wrinkled knitted fabric, characterized in that: The preparation method comprises the following steps: (1) Weaving to obtain a grey fabric having a surface layer, a needle layer and a bottom layer; (2) The obtained grey cloth is subjected to dyeing, semi-customized softening, bottom grasping, bottom combing, bottom cutting, drying and shaping treatment in sequence to obtain the bark wrinkle knitted cloth.

2. The preparation method according to claim 1, characterized in that: The weaving is carried out on a weft knitting double-sided circular knitting machine; Preferably, the weight of the grey cloth is 220-280 g / m 2 .

3. The preparation method according to claim 1 or 2, characterized in that: The yarn of the surface layer comprises CD POLY yarn, preferably 75D / 72F CD POLY yarn; Preferably, the yarn of the needle layer includes CD POLY yarn, and more preferably 50D / 24F CD POLY yarn; Preferably, the yarn of the bottom layer comprises NYLON 6 yarn, more preferably 70D / 136FNYLON6 yarn; Preferably, the mass percentage of 75D / 72F CD POLY yarn in the grey cloth is 25-35%; Preferably, the mass percentage of 50D / 24F CD POLY yarn in the grey cloth is 15-25%; Preferably, the mass percentage of NYLON 6 yarn in the grey cloth is 50-60%; Preferably, the semi-custom softening method comprises the steps of introducing the dyed grey cloth into a sizing tank of a setting machine for sizing, and then putting the grey cloth into an oven for setting; Preferably, the slurry tank of the setting machine includes soft raising oil DF303; Preferably, the concentration of the soft raising oil DF303 in the slurry tank of the setting machine is 10-30 g / L.

4. The preparation method according to any one of claims 1 to 3, characterized in that: The bottom grasping is carried out in a group of lafer grasping machines, and the group of lafer grasping machines includes four combined lafer grasping machines; Preferably, the drum speeds of the four combined lafer plucking machines are independently 90-110 r / min, and the machine speeds are independently 10-20 m / min; Preferably, each of the lafer plucking machines comprises a needle-raising roller and a needle-covering roller; Preferably, among the four combined lafer plucking machines, the needle raising roller parameters of the first lafer plucking machine are 4.5, the covering needle roller parameters are 6, and the tension is 5N; the needle raising roller parameters of the second lafer plucking machine are 5, the covering needle roller parameters are 6.5, and the tension is 4N; the needle raising roller parameters of the third lafer plucking machine are 5, the covering needle roller parameters are 6.5, and the tension is 5N; the needle raising roller parameters of the fourth lafer plucking machine are 5.5, the covering needle roller parameters are 6.5, and the tension is 5N.

5. The preparation method according to any one of claims 1 to 4, characterized in that: The combing is carried out in a key wheel combing machine; Preferably, the front tension of the key wheel combing machine is 94-97N, and the rear tension is 97-99N; Preferably, the drum speed of the key wheel combing machine is 90-110 r / min, and the machine speed is 10-20 m / min; Preferably, the covering roller parameter of the key wheel combing machine is 30, and the raising roller parameter is 14.

6. The preparation method according to any one of claims 1 to 5, characterized in that: The shearing is carried out in a shearing machine; Preferably, the speed of the shearing machine is 900-1100 r / min; Preferably, the shearing machine has a speed of 10-20 m / min and a tension of 0.4-0.6N.

7. The preparation method according to any one of claims 1 to 6, characterized in that: The drying is carried out in a powerful granulator; Preferably, the drying comprises a process of steam heating, hot air drying and cold air cooling.

8. The preparation method according to any one of claims 1 to 7, characterized in that: The shaping is carried out in a shaping machine; Preferably, the shaping process includes the steps of introducing the dried grey cloth into a sizing tank of a shaping machine for sizing, and then putting it into an oven for shaping; Preferably, the slurry tank of the setting machine includes hydrophilic soft oil WF346; Preferably, the concentration of the hydrophilic soft oil WF346 in the slurry tank of the setting machine is 10-30 g / L.

9. A bark wrinkled knitted fabric, characterized in that: The bark wrinkle knitted fabric is prepared by the preparation method according to any one of claims 1 to 8.

10. Use of the bark wrinkle knitted fabric as claimed in claim 9 in clothing.

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