Durable anti-pilling fine and dense warm velvet fabric and preparation method thereof

Abstract

The invention relates to a durable anti-pilling fine and dense warm velvet fabric. The weaving pattern is circulated by six paths, wherein the weave structure of the first path is floating threads, looping, looping and tucking; the organization structure of the second path is looping, looping, tucking and looping; the organization structure of the third path is tucking, looping, thread floating and tucking; the weave structure of the fourth path is floating thread, looping, tucking and looping; the organization structure of the fifth path is looping, looping, looping and looping; the weave structure of the sixth path is tucking, looping, tucking and thread floating; the composite yarn is formed by weaving composite yarn and comprises core yarn arranged in the axial direction and sheath yarn spirally wound on the outer surface of the core yarn. The core yarns are polyester low stretch yarns; the sheath yarn is composed of fine staple cotton fibers and anti-pilling acrylic fibers which are parallel to each other. The structure of the composite yarn is matched with the weaving pattern, so that the hairiness length of the surface is remarkably shortened, and the lasting anti-pilling effect is achieved; meanwhile, a fine and dense fluff layer is formed on the surface, so that the fabric is endowed with good warm-keeping performance.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of colored fabric, and particularly relates to a durable anti-pilling fine and warm pile fabric and a preparation method thereof. BACKGROUND

[0002] The weft-knitted pile fabric is widely used in underwear, home clothes and baby clothes due to its soft hand feeling, warmth and air permeability. However, the traditional cotton / acrylic blended pile fabric relies on fiber weight reduction or singeing process to reduce the surface fluff, but in the wearing-washing-rubbing cycle, the fiber ends are still gradually pulled out to form pilling. In order to improve the warmth, the enterprises usually adopt high-grammage double-sided pile or brushing, shaking and other finishing means, resulting in heavy and stuffy fabric, and microplastics are also generated in the brushing process. In terms of functional finishing, fluorine-based easy-to-clean agents and cationic softening agents can temporarily improve the hand feeling and anti-pilling property, but there are risks of perfluorooctanoic acid / perfluorooctane sulfonic acid residues, formaldehyde release and biological accumulation, which cannot meet the requirements of baby products.

[0003] Therefore, there is an urgent need for a durable anti-pilling fine and warm pile fabric and a preparation method thereof. SUMMARY

[0004] The present application aims to overcome the deficiencies of the prior art, and therefore adopts the following technical solutions: The first aspect of the present application is to provide a durable anti-pilling fine and warm pile fabric, and the weaving pattern of the durable anti-pilling fine and warm pile fabric is six-way as a cycle: The organization structure of the first way of the durable anti-pilling fine and warm pile fabric is in turn an upper needle disc floating stitch, an upper needle disc loop stitch, a lower needle cylinder loop stitch, and a lower needle cylinder tuck stitch; The organization structure of the second way of the durable anti-pilling fine and warm pile fabric is in turn an upper needle disc loop stitch, an upper needle disc loop stitch, a lower needle cylinder tuck stitch, and a lower needle cylinder loop stitch; The organization structure of the third way of the durable anti-pilling fine and warm pile fabric is in turn an upper needle disc tuck stitch, an upper needle disc loop stitch, a lower needle cylinder floating stitch, and a lower needle cylinder tuck stitch; The organization structure of the fourth way of the durable anti-pilling fine and warm pile fabric is in turn an upper needle disc floating stitch, an upper needle disc loop stitch, a lower needle cylinder tuck stitch, and a lower needle cylinder loop stitch; The organization structure of the fifth way of the durable anti-pilling fine and warm pile fabric is in turn an upper needle disc loop stitch, an upper needle disc loop stitch, a lower needle cylinder loop stitch, and a lower needle cylinder loop stitch; The organization structure of the sixth way of the durable anti-pilling fine and warm pile fabric is in turn an upper needle disc tuck stitch, an upper needle disc loop stitch, a lower needle cylinder tuck stitch, and a lower needle cylinder floating stitch; The persistent anti-pilling fine and warm puffy fabric is knitted by composite yarn, and the composite yarn comprises core yarn arranged in the axial direction and sheath yarn spirally wound on the outer surface of the core yarn. The core yarn is polyester low-elasticity filament of (35D-45D) / (45F-50F). The sheath yarn is composed of fine lint cotton fiber of (1.5D-2D) and anti-pilling acrylic fiber of (0.5D-1D) which are parallel or substantially parallel to each other.

[0005] Preferably, the yarn length of the composite yarn is (21cm-23cm) / 100 needles.

[0006] Preferably, the core yarn is polyester low-elasticity filament of 40D / 48F.

[0007] Preferably, the fine lint cotton fiber is fine lint cotton fiber of 1.8D.

[0008] Preferably, the anti-pilling acrylic fiber is anti-pilling acrylic fiber of 0.9D.

[0009] The second aspect of the present application provides a preparation method of the persistent anti-pilling fine and warm puffy fabric as described above, and the steps comprise: S1, knitting on a double-sided weft knitting circular machine according to the knitting pattern to obtain a persistent anti-pilling fine and warm puffy fabric; S2, transferring the persistent anti-pilling fine and warm puffy fabric to a post-finishing liquid for impregnation treatment; wherein, The post-finishing liquid comprises 40g / L-50g / L of silicone oil modified polyurethane, 2g / L-4g / L of epoxy crosslinking agent, and 1g / L-3g / L of nonylphenol polyoxyethylene ether, and the post-finishing liquid is adjusted to pH 5-pH 6 by acetic acid; S3, performing drying treatment on the persistent anti-pilling fine and warm puffy fabric after impregnation treatment; S4, performing setting treatment on the persistent anti-pilling fine and warm puffy fabric after drying treatment, so that the silicone-polyurethane composite is crosslinked on the surface of the persistent anti-pilling fine and warm puffy fabric to form a protective layer, thereby obtaining the persistent anti-pilling fine and warm puffy fabric.

[0010] Preferably, in the impregnation treatment, the impregnation temperature is 30°C-50°C, the impregnation time is 10min-30min, and the bath ratio is 1:(9-11).

[0011] Preferably, the drying treatment comprises first drying treatment at a first drying temperature and second drying treatment at a second temperature; wherein, The first drying temperature is 70°C-90°C, and the time of the first drying treatment is 1min-3min. The second drying temperature is 100-120 DEG C, and the second drying treatment lasts until the moisture content of the durable anti-pilling fine warm pile base cloth is less than 8%.

[0012] Preferably, in the setting treatment, the setting temperature is 160-170 DEG C, and the setting speed is 10-20 m / min.

[0013] Compared with the prior art, the present application has the beneficial effects reflected in: The present application cooperates the structure of the composite yarn with the weaving pattern to significantly shorten the surface hair length of the durable anti-pilling fine warm pile fabric, thereby effectively improving the anti-pilling performance and realizing the durable anti-pilling effect; at the same time, the weaving pattern forms a fine pile layer on the surface of the durable anti-pilling fine warm pile fabric, thereby giving it good warm-keeping performance and combining the light and thin and warm pile characteristics. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the weaving pattern structure of the durable anti-pilling fine warm pile fabric in the present application; Figure 2 The figure is a schematic diagram of the structure of the composite yarn in the present application; Among them, the reference signs include: Core yarn 1; fine pile cotton fiber 2; anti-pilling acrylic fiber 3. DETAILED DESCRIPTION

[0015] The specific embodiments of the present application will be described in detail below.

[0016] Unless otherwise defined, the technical terms or scientific terms used in the claims and the specification should be understood as the general meanings understood by those skilled in the art in the technical field to which the present application belongs.

[0017] The "comprise" or similar words used in the patent application specification and claims of the present application mean that the objects appearing before "comprise" cover the objects appearing after "comprise" or its equivalent objects, and do not exclude other objects.

[0018] The numerical values ​​mentioned in this invention include all values ​​increasing one unit at a time from low to high, assuming that there is at least a two-unit interval between any lower and higher value. For example, if it is said that a component quantity or a physical quantity is better from 1 to 100, 10 to 90, and 20 to 80, it means that values ​​such as 5 to 95, 14 to 76, 23 to 67, 32 to 58, and 41 to 49 are clearly listed in this specification; for values ​​less than 1, 0.0001, 0.001, 0.01, or 0.1 are considered to be a suitable unit. The foregoing examples are for illustrative purposes only; in practice, all combinations of values ​​between the lowest and highest listed values ​​are considered to be clearly listed in this specification in a similar manner.

[0019] like Figure 1 As shown, a specific embodiment of the present invention provides a durable, anti-pilling, fine-textured warm fleece fabric, wherein the knitting pattern of the durable, anti-pilling, fine-textured warm fleece fabric is a six-way repeat: The first layer of the durable, anti-pilling, fine, warm fleece fabric has the following structure in sequence: upper needle plate floating thread structure, upper needle plate loop structure, lower needle cylinder loop structure, and lower needle cylinder tucking structure. The second layer of the durable, anti-pilling, fine warm fleece fabric has the following structure in sequence: upper needle plate loop structure, upper needle plate loop structure, lower needle cylinder loop structure, and lower needle cylinder loop structure. The third layer of the durable, anti-pilling, fine, warm fleece fabric has the following structure in sequence: upper needle plate tucking structure, upper needle plate looping structure, lower needle cylinder float thread structure, and lower needle cylinder tucking structure. The fourth section of the durable, anti-pilling, fine, warm fleece fabric has the following structure in sequence: upper needle plate floating thread structure, upper needle plate loop structure, lower needle cylinder tucking structure, and lower needle cylinder loop structure. The fifth row of the durable anti-pilling fine warm fleece fabric has the following structure in sequence: upper needle plate loop structure, upper needle plate loop structure, lower needle cylinder loop structure, and lower needle cylinder loop structure. The sixth row of the durable anti-pilling fine warm fleece fabric has the following structure in sequence: upper needle plate tucking structure, upper needle plate looping structure, lower needle cylinder tucking structure, and lower needle cylinder float thread structure. The durable, anti-pilling, fine, warm fleece fabric is woven from composite yarns; such as Figure 2 As shown, the composite yarn includes: a core yarn 1 arranged along the axial direction, and a sheath yarn spirally wound on the outer surface of the core yarn; The core yarn 1 is a low-elastic polyester yarn; The sheath yarn is composed of fine cotton fibers 2 that are parallel or substantially parallel to each other and anti-pilling acrylic fibers 3. The preparation steps of the durable, anti-pilling, fine, warm fleece fabric include: S1, weaving according to the weaving pattern on a double-sided weft knitting circular machine to obtain a durable anti-pilling fine warm pile fabric; S2, transferring the durable anti-pilling fine warm pile fabric to a finishing liquid for impregnation treatment; wherein, The finishing liquid comprises 40g / L-50g / L of silicone oil modified polyurethane, 2g / L-4g / L of epoxy crosslinking agent, and 1g / L-3g / L of nonylphenol polyoxyethylene ether, and the finishing liquid is adjusted to pH 5-pH 6 by acetic acid; S3, the impregnated durable anti-pilling fine warm pile fabric is subjected to drying treatment; wherein, The drying treatment comprises first drying treatment at a first drying temperature for a first drying time, and second drying treatment at a second temperature, which lasts until the moisture content of the durable anti-pilling fine warm pile fabric is less than 8%; S4, the dried durable anti-pilling fine warm pile fabric is subjected to setting treatment, so that the silicone-polyurethane compound is crosslinked on the surface of the durable anti-pilling fine warm pile fabric to form a protective layer, significantly reducing the surface friction coefficient and further improving the anti-pilling durability; at the same time, the durable anti-pilling fine warm pile fabric is endowed with a smooth and soft hand feeling, providing moisture absorption and comfortable wearing.

[0020] Example 1 In this embodiment, the yarn length of the composite yarn is 21 cm / 100 needles, the core yarn 1 is 35D / 50F polyester low-elasticity filament, the fine pile cotton fiber 2 is 1.5D fine pile cotton fiber, and the anti-pilling acrylic fiber 3 is 0.5D anti-pilling acrylic fiber; In the impregnation treatment, the finishing liquid comprises 40g / L of silicone oil modified polyurethane, 2g / L of epoxy crosslinking agent, and 1g / L of nonylphenol polyoxyethylene ether, and the finishing liquid is adjusted to pH 5 by acetic acid; the impregnation temperature is 30℃, the impregnation time is 10min, and the bath ratio is 1:9; In the drying treatment, the first drying temperature is 70℃, the first drying time is 1min, and the second drying temperature is 100℃; In the setting treatment, the setting temperature is 160℃, and the setting speed is 10m / min.

[0021] Example 2 In this embodiment, the yarn length of the composite yarn is 22 cm / 100 needles, the core yarn 1 is 40D / 48F polyester low-elasticity filament, the fine pile cotton fiber 2 is 1.8D fine pile cotton fiber, and the anti-pilling acrylic fiber 3 is 0.9D anti-pilling acrylic fiber; In the dipping treatment, the finishing liquid comprises 45 g / L of silicon oil modified polyurethane, 3 g / L of epoxy crosslinking agent, and 1 g / L of nonylphenol polyoxyethylene ether, and the finishing liquid is adjusted to pH 5.5 by acetic acid; the dipping temperature is 40 DEG C, the dipping time is 20 min, and the bath ratio is 1:10; In the drying treatment, the first drying temperature is 80 DEG C, the first drying time is 2 min, and the second drying temperature is 110 DEG C. In the setting treatment, the setting temperature is 165 DEG C, and the setting speed is 15 m / min.

[0022] Example 3 In the example, the yarn length of the composite yarn is 23 cm / 100 needles, the core yarn 1 is 45D / 45F polyester low-elasticity filament, the fine flannelette cotton fiber 2 is 2.0D fine flannelette cotton fiber, and the anti-pilling acrylic fiber 3 is 1.0D anti-pilling acrylic fiber. In the dipping treatment, the finishing liquid comprises 45 g / L of silicon oil modified polyurethane, 3 g / L of epoxy crosslinking agent, and 1 g / L of nonylphenol polyoxyethylene ether, and the finishing liquid is adjusted to pH 5.5 by acetic acid; the dipping temperature is 40 DEG C, the dipping time is 20 min, and the bath ratio is 1:10; In the drying treatment, the first drying temperature is 90 DEG C, the first drying time is 3 min, and the second drying temperature is 120 DEG C. In the setting treatment, the setting temperature is 170 DEG C, and the setting speed is 20 m / min.

[0023] The performance parameter detection results of examples 1-3 are shown in the following table:

[0024] Note: The pilling grade is tested according to the GB / T 4802.1-2008 standard (type A); and the thermal resistance is tested according to the GB / T 11048-2018 standard (method A).

[0025] In summary, the surface hair length of the durable anti-pilling fine and warm flannelette fabric is significantly shortened by the structure of the composite yarn and the weaving pattern, so as to effectively improve the anti-pilling performance and realize the durable anti-pilling effect; meanwhile, the fine and warm flannelette fabric is formed on the surface of the durable anti-pilling fine and warm flannelette fabric by the weaving pattern, so as to give it good warmth retention performance, and the fine and warm flannelette fabric has the characteristics of lightness and warmth.

[0026] The above merely describes preferred embodiments of the present application, and is not intended to limit the implementation and protection scope of the present application. Those skilled in the art should be able to understand that any equivalent substitutions and obvious changes made according to the present application description and drawings should be included in the protection scope of the present application.

Claims

1. A durable, anti-pilling, fine, warm fleece fabric, characterized in that, The durable, anti-pilling, finely woven warm fleece fabric features a six-way repeating pattern: The first layer of the durable, anti-pilling, fine, warm fleece fabric has the following structure in sequence: upper needle plate floating thread structure, upper needle plate loop structure, lower needle cylinder loop structure, and lower needle cylinder tucking structure. The second layer of the durable, anti-pilling, fine warm fleece fabric has the following structure in sequence: upper needle plate loop structure, upper needle plate loop structure, lower needle cylinder loop structure, and lower needle cylinder loop structure. The third layer of the durable, anti-pilling, fine, warm fleece fabric has the following structure in sequence: upper needle plate tucking structure, upper needle plate looping structure, lower needle cylinder float thread structure, and lower needle cylinder tucking structure. The fourth section of the durable, anti-pilling, fine, warm fleece fabric has the following structure in sequence: upper needle plate floating thread structure, upper needle plate loop structure, lower needle cylinder tucking structure, and lower needle cylinder loop structure. The fifth layer of the durable, anti-pilling, fine, warm fleece fabric has the following structure in sequence: upper needle plate loop structure, upper needle plate loop structure, lower needle cylinder loop structure, and lower needle cylinder loop structure. The sixth row of the durable anti-pilling fine warm fleece fabric has the following structure in sequence: upper needle plate tucking structure, upper needle plate looping structure, lower needle cylinder tucking structure, and lower needle cylinder float thread structure. The durable anti-pilling fine warm fleece fabric is woven from composite yarn, which includes: a core yarn (1) arranged along the axial direction, and a sheath yarn spirally wound on the outer surface of the core yarn (1). The core yarn (1) is a (35D-45D) / (45F-50F) polyester low elastic yarn; The sheath yarn is composed of fine cotton fibers (2) of (1.5D-2D) that are parallel or substantially parallel to each other and anti-pilling acrylic fibers (3) of (0.5D-1D).

2. The durable, anti-pilling, fine, warm fleece fabric according to claim 1, characterized in that, The composite yarn has a yarn length of (21cm-23cm) / 100 stitches.

3. The durable, anti-pilling, fine, warm fleece fabric according to claim 1, characterized in that, The core yarn (1) is a 40D / 48F polyester low-elasticity yarn.

4. The durable, anti-pilling, fine, warm fleece fabric according to claim 1, characterized in that, The fine cotton fiber (2) is a 1.8D fine cotton fiber.

5. The durable, anti-pilling, fine, warm fleece fabric according to claim 1, characterized in that, The anti-pilling acrylic fiber (3) is a 0.9D anti-pilling acrylic fiber.

6. A method for preparing a durable, anti-pilling, fine, warm fleece fabric as described in any one of claims 1-5, characterized in that the steps include... include: S1. On a double-sided weft knitting circular knitting machine, knit according to the knitting pattern to obtain a durable, anti-pilling, fine, warm fleece fabric. S2. The durable, anti-pilling, fine-textured warm fleece fabric is transferred to a finishing solution for immersion treatment; wherein... The finishing solution comprises: 40 g / L-50 g / L of silicone oil modified polyurethane, 2 g / L-4 g / L of epoxy crosslinking agent, and 1 g / L-3 g / L of nonylphenol polyoxyethylene ether, and the finishing solution is adjusted to pH 5-pH 6 by acetic acid. S3. The impregnated durable anti-pilling fine warm fleece fabric is dried. S4. The dried durable anti-pilling fine warm fleece fabric is subjected to a shaping treatment to crosslink the organosilicon-polyurethane composite on the surface of the durable anti-pilling fine warm fleece fabric to form a protective layer, thereby obtaining the durable anti-pilling fine warm fleece fabric.

7. The preparation method according to claim 6, characterized in that, In the impregnation treatment, the impregnation temperature is 30℃-50℃, the impregnation time is 10min-30min, and the bath ratio is 1:(9-11).

8. The preparation method according to claim 6, characterized in that, The drying process includes: a first drying process performed at a first drying temperature, and a second drying process performed at a second temperature; wherein... The first drying temperature is 70℃-90℃, and the first drying time is 1min-3min; The second drying temperature is 100℃-120℃, and the second drying process continues until the moisture content of the durable anti-pilling fine warm fleece fabric is less than 8%.

9. The preparation method according to claim 6, characterized in that, In the setting process, the setting temperature is 160℃-170℃, and the setting speed is 10m / min-20m / min.

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