A lint-resistant spray-on yarn, its preparation method, and the fabric.

Abstract

This invention discloses an anti-shedding spray-dried yarn, comprising at least a filling inner layer and a covering outer layer. The filling inner layer is composed of disordered mixed fibers, and the covering outer layer is composed of island-island fibers. The island-island fibers comprise an island phase and a marine phase in a mass ratio of (6-7):(3-4). The marine phase is obtained by modifying polyvinyl alcohol with a modified polyol plasticizer, calcium stearate, and antioxidant. The island phase is obtained by modifying the island components with zinc oxide nanoparticles. The zinc oxide nanoparticles are prepared by modifying zinc oxide with carboxylated cellulose nanocrystals. By forming ultra-fine, dense filaments with micropores between the ultra-fine fibers after the island-island fibers are opened, and then covering the disordered mixed fibers to obtain the spray-dried yarn, the problem of easy shedding is solved. The modified island-island fibers promote the obtaining of durable and antibacterial spray-dried yarn.

Description

Technical Field

[0001] This invention relates to the field of textile yarn technology, specifically to an anti-shedding sprayed yarn and its preparation method. Background Technology

[0002] With the development of the times and the progress of technology, people have increasingly higher requirements for clothing, food, housing, and transportation. Sprayed yarn, as a fluffy, soft, and warm yarn, is widely used in clothing fabrics. The core structure of sprayed yarn consists of an outer net and an inner core. Due to the loose and disordered internal fibers of the inner core, this yarn has the fluffy and soft characteristics, but it also makes it prone to shedding. Summary of the Invention

[0003] One of the objectives of this invention is to overcome the defects in the prior art and provide a lint-resistant sprayed yarn. This yarn is obtained by opening up island fibers to form ultra-fine, dense filaments with micropores between the ultra-fine fibers, and then covering them with disordered mixed fibers, thus solving the problem of easy lint shedding. Modified island fibers promote the production of durable and antibacterial sprayed yarn.

[0004] To achieve the above-mentioned process effects, the technical solution of the present invention is as follows: a lint-resistant sprayed yarn, comprising at least a filling inner layer and a covering outer layer, wherein the filling inner layer is a disordered mixed fiber, and the fiber of the covering outer layer is a sea island fiber, wherein the sea island fiber comprises an island phase and a sea phase in a mass ratio of (6~7):(3~4); The marine phase was obtained by modifying polyvinyl alcohol with a modified polyol plasticizer, calcium stearate, and antioxidants; The island phase is obtained by modifying the island components with zinc oxide nanoparticles; The zinc oxide nanoparticles were prepared by modifying zinc oxide with carboxylated cellulose nanocrystals.

[0005] The preferred technical solution is that the modified polyol plasticizer is composed of choline chloride and xylitol in a molar ratio of (0.5~0.6):1, and the mass ratio of modified polyol plasticizer, calcium stearate, antioxidant and polyvinyl alcohol in the marine phase is (9~11), (2~5):1:(81~86).

[0006] The preferred technical solution is as follows: the zinc oxide nanoparticles are prepared by first dissolving zinc acetate and sodium hydroxide in a molar ratio of 1:3 in deionized water and reacting, and then adding 9% to 10% of the total mass of zinc acetate and sodium hydroxide carboxylated cellulose nanocrystals. The preparation method of the carboxylated cellulose nanocrystals is as follows: First, logs are treated with 5wt% peracetic acid at 85℃ and then washed to obtain a blank; then, the blank is subjected to an oxidation system adjusted to a pH of 10~10.5 and the reaction continues; finally, the blanks are washed and dialyzed to obtain carboxylated cellulose nanocrystals; the mass ratio of peracetic acid to logs is (0.4~0.5):1, and the oxidation system includes 2,2,6,6-tetramethylpiperidine-1-oxy free radical, sodium bromide, 10% sodium hypochlorite solution, and water.

[0007] A preferred technical solution is that the mass ratio of island components to zinc oxide nanoparticles in the island phase is 100:(5~6).

[0008] A preferred technical solution is that the island component includes polyester A and polyester B in a mass ratio of 1:(0.2~0.3), wherein polyester A is polyethylene terephthalate, and polyester B is one or more of bio-based poly(2,5-furandicarboxylic acid-succinic acid-butanediol copolyester and bio-based poly(2,5-furandicarboxylic acid-succinic acid-ethylene glycol copolyester).

[0009] The preferred technical solution is as follows: the preparation method of the island fiber is as follows: a) mixing the island component and zinc oxide nanoparticles, melt blending, extruding, and granulating to obtain island phase masterbatch; b) dissolving the modified polyol plasticizer in deionized water, then mixing it evenly with polyvinyl alcohol and swelling it, then drying and pulverizing it, mixing it with calcium stearate and antioxidant, melt blending, extruding, and granulating to obtain marine phase masterbatch; c) pre-crystallizing and drying the marine phase masterbatch, then mixing it with the island phase masterbatch and melt blending and spinning to obtain island raw yarn; d) subjecting the island raw yarn to oiling, stretching, crimping, and drying processes to obtain island coarse yarn; e) subjecting the island coarse yarn to fiber opening treatment and drying to obtain filaments composed of island fibers.

[0010] The preferred technical solution is that the disordered short fibers are one or more of the following: viscose fiber, bamboo fiber, acrylic fiber, polyester fiber, nylon fiber, wool, alpaca hair, mohair, rabbit hair, and yak hair.

[0011] The second objective of this invention is to overcome the deficiencies in the prior art and provide a method for preparing anti-shedding sprayed yarn, characterized in that, based on the above-mentioned anti-shedding sprayed yarn, it further includes a core yarn threaded through the inner filling layer, comprising the following steps: S1: Raw materials for configuring the core wire, filling the inner layer, and covering the outer layer; S2: The core wire passes sequentially through the inlet of the forming tube, the internal twisting and winding, and the outlet; S3: The disordered short fibers are fed into the combing box for combing and then put into the forming tube. Together with the core yarn, they are led out from the outlet of the tube to obtain the raw yarn. S4: The filaments covering the outer layer are wound onto the surface of the raw yarn, and the yarn is dropped to obtain sprayed yarn.

[0012] The preferred technical solution is that the core wire is a polyester low-elasticity filament with a fineness of 50~80D, and the length of the disordered short fibers is 40~70mm.

[0013] The third objective of this invention is to overcome the defects existing in the prior art and provide a fabric woven from the above-mentioned anti-shedding sprayed yarn; or the fabric woven from yarn obtained by the above-mentioned method for preparing anti-shedding sprayed yarn.

[0014] The advantages and beneficial effects of this invention are as follows: By opening up island fibers to form ultra-fine, dense filaments with micropores between the ultra-fine fibers, and then wrapping them with disordered mixed fibers to obtain a sprayed yarn, the problem of easy shedding is solved. Filaments composed of island fibers were obtained by melt spinning through marine modification. Zinc oxide nanoparticles, after being modified by carboxylated cellulose nanocrystals, are combined with island components to form island phases, which improves the breaking strength, wear resistance, toughness and antibacterial properties of island fibers, thereby obtaining durable and antibacterial sprayed yarn. Detailed Implementation

[0015] The specific embodiments of the present invention will be further described below with reference to examples. These examples are only used to more clearly illustrate the technical solutions of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0016] Outer layer The outer layer of fiber is island fiber, which includes island phase and sea phase in a mass ratio of (6~7):(3~4).

[0017] The island phase is obtained by modifying the island components with zinc oxide nanoparticles, specifically by modifying zinc oxide with carboxylated cellulose nanocrystals. The addition of zinc oxide nanoparticles improves the mechanical strength and high-temperature resistance of the island phase. Through modification with carboxylated cellulose nanocrystals, the carboxyl groups of the cellulose nanocrystals undergo metal coordination with Zn²⁺, actively chelating and anchoring zinc ions. This strong coordination bond results in stronger and more stable interfacial forces, improving not only the dispersibility of zinc oxide nanoparticles in the island phase but also enhancing antibacterial efficiency, photocatalytic properties, and UV shielding performance. Furthermore, the cellulose nanocrystals themselves, combined with the island phase polyester, enhance toughness.

[0018] The island component comprises polyester A and polyester B in a mass ratio of 1:(0.2~0.3). Polyester A is polyethylene terephthalate, and polyester B is one or more of bio-based poly(2,5-furandicarboxylic acid-succinic acid-butanediol) copolyester and bio-based poly(2,5-furandicarboxylic acid-succinic acid-ethylene glycol) copolyester. The composite of polyester A and polyester B significantly improves the flexibility and elasticity of the fiber, making it softer and more durable. Furthermore, polyester B, being a bio-based poly(2,5-furandicarboxylic acid-succinic acid-ethylene glycol) copolyester, is obtained by replacing butanediol with ethylene glycol, resulting in better compatibility with polyester A and improved thermal stability and tensile properties of the composite polyester.

[0019] In polyester B, the alkyd-acid molar ratio is (2.5~2.8):1, with succinic acid accounting for 50% of the total acid. Preparation: Under a nitrogen atmosphere, the raw materials are mixed, and 0.07wt% of tetrabutyl titanate (a catalyst) and 0.07wt% of triphenyl phosphite (a stabilizer) are added. The mixture is then heated to 220℃ for esterification. The addition of succinic acid effectively enhances the toughness of the copolyester.

[0020] The mass ratio of island components to zinc oxide nanoparticles in the island phase is 100:(5~6); in this ratio, the dispersion of zinc oxide nanoparticles is optimal, thus improving the fiber's breaking strength.

[0021] Preparation method of zinc oxide nanoparticles: First, zinc acetate and sodium hydroxide in a molar ratio of 1:3 are dissolved in deionized water and reacted. Then, 9% to 10% of the total mass of zinc acetate and sodium hydroxide carboxylated cellulose nanocrystals are added and the reaction is maintained at 80°C for 24 hours. Then, the mixture is washed and dried to obtain zinc oxide nanoparticles. Preparation method of carboxylated cellulose nanocrystals: First, logs are treated with 5wt% peracetic acid at 85℃ and then washed to obtain a blank. The blank is then subjected to an oxidation system adjusted to a pH of 10-10.5 for further reaction. Finally, the blanks are washed and dialyzed to obtain carboxylated cellulose nanocrystals. The mass ratio of peracetic acid to logs is (0.4-0.5):1. The oxidation system includes 2,2,6,6-tetramethylpiperidine-1-oxy radicals, sodium bromide, 10% sodium hypochlorite solution, and water. Pretreatment with peracetic acid removes lignin and preserves hemicellulose, which facilitates subsequent oxidation of the cellulose and results in a high carboxyl content.

[0022] The marine phase is obtained by modifying polyvinyl alcohol with a modified polyol plasticizer, calcium stearate, and antioxidant. The mass ratio of modified polyol plasticizer, calcium stearate, antioxidant, and polyvinyl alcohol in the marine phase is (9~11), (2~5):1:(81~86). The addition of polyol plasticizer gradually enhances the hydrogen bonding between polyvinyl alcohol and polyvinyl alcohol, thereby increasing the stability of polyvinyl alcohol. Too little polyol plasticizer will lead to a decrease in the thermal stability of the marine phase, which is not conducive to melt spinning with the island phase; too much plasticizer will be detrimental to the subsequent opening treatment of island fibers and lead to waste of resources. Calcium stearate acts as a lubricant, reducing the friction between polyvinyl alcohol molecules, but too much plasticizer can easily lead to poor compatibility. The antioxidant is a compound of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:2, which can reduce the mass loss caused by decomposition during melt spinning.

[0023] To mitigate the decomposition of plasticizers at high temperatures and thus improve the thermal stability of the modified polyvinyl alcohol system, the polyol plasticizer was modified and applied to island-of-sea fibers via melt spinning. Furthermore, the modified polyol plasticizer was synthesized by combining choline chloride and xylitol in a molar ratio of (0.5~0.6):1. Choline chloride and xylitol were mixed in a molar ratio and reacted at 90℃ for 2 hours until a uniform, transparent, and colorless liquid was formed. Xylitol, a five-carbon polyol, is abundant in raw materials and is a more environmentally friendly and safer raw material for modification.

[0024] Example 1

[0025] The anti-shedding sprayed yarn includes a core yarn, an inner filling layer, and an outer covering layer. The core yarn is threaded through the inner filling layer, and the outer covering layer surrounds the outer surface of the inner filling layer.

[0026] The core wire is made of 50D / 32F polyester low-elasticity filament.

[0027] The inner filling layer is made of disordered mixed fibers, with disordered short fibers consisting of 45% acrylic fiber, 30% wool and 25% nylon. The length of the disordered short fibers is 45~65mm, indicating that the fiber lengths are not uniform.

[0028] The outer layer of fiber is a sea-island fiber, which comprises an island phase and a marine phase in a mass ratio of 6.5:3.5. The marine phase is obtained by blending and modifying with a modified polyol plasticizer, calcium stearate, antioxidant, and polyvinyl alcohol in a mass ratio of 10.5:3:1:84. The island phase is obtained by modifying with an island component and zinc oxide nanoparticles in a mass ratio of 100:5.5. The island component consists of polyester A and polyester B in a mass ratio of 1:0.25. Polyester A is polyethylene terephthalate, and polyester B is a bio-based poly(2,5-furandicarboxylic acid-succinic acid-ethylene glycol) copolyester.

[0029] Preparation of B polyester: The alkyd molar ratio is 2.6:1, and succinic acid accounts for 50% of the total acid. Under nitrogen atmosphere protection, the raw materials are mixed and 0.07wt% of tetrabutyl titanate catalyst and 0.07wt% of triphenyl phosphite stabilizer are added. The mixture is heated to 220℃ for esterification reaction to obtain the product.

[0030] The modified polyol plasticizer is composed of choline chloride and xylitol in a molar ratio of 0.55:1. Choline chloride and xylitol are mixed in a molar ratio and reacted at 90°C for 2 hours until a uniform, transparent, and colorless liquid is formed.

[0031] Preparation method of zinc oxide nanoparticles: First, zinc acetate and sodium hydroxide in a molar ratio of 1:3 are dissolved in deionized water and reacted. Then, 9.5% of the total mass of zinc acetate and sodium hydroxide carboxylated cellulose nanocrystals are added and the reaction is maintained at 80℃ for 24 hours. Then, the mixture is washed and dried to obtain zinc oxide nanoparticles. Preparation method of carboxylated cellulose nanocrystals: First, logs are treated with 5wt% peracetic acid at 85℃ and then washed to obtain a blank. The mass ratio of peracetic acid to logs is 0.45:1. Then, the blank is subjected to an oxidation system adjusted to a pH of 10-10.5 and the reaction continues. Finally, the blanks are washed and dialyzed to obtain carboxylated cellulose nanocrystals. The oxidation system includes 2,2,6,6-tetramethylpiperidine-1-oxy radical, sodium bromide, 10% sodium hypochlorite solution, and water.

[0032] Preparation method of island fiber: a. Mix the island components and zinc oxide nanoparticles, melt blend, extrude, and granulate to obtain island phase masterbatch; the melting temperature is 200℃, and the screw speed is 50r / min.

[0033] b. Dissolve the modified polyol plasticizer in 30% of its deionized water, and then mix it with polyvinyl alcohol in a vacuum-sealed oven at 60°C until it swells. Then dry it at 70°C, pulverize it, mix the pulverized material with calcium stearate and antioxidant, melt blend it, extrude it, and granulate it to obtain marine masterbatch. The melting temperature is 200°C and the screw speed is 48 r / min.

[0034] c. The marine masterbatch is pre-crystallized and dried, then mixed with the island masterbatch and melt-blended and spun to obtain island-island precursor yarn. The pre-crystallization temperature of the marine masterbatch is 60℃, and the drying temperature is 80℃. The melt temperature is 230℃, the screw speed is 60 r / min, the spinning speed is 500 m / min, and the cooling temperature is 20℃.

[0035] d. The island-type raw yarn is oiled, stretched, crimped and dried to obtain island-type coarse yarn; e. The island-island filaments are opened and dried to obtain filaments composed of island-island fibers. The opening process for the island-island filaments involves a bath ratio of 1:32 for the island-island filaments and deionized water, with a dissolution temperature of 65℃ to minimize the impact on the island phase.

[0036] Based on the above-mentioned anti-shedding sprayed yarn, the preparation method of the anti-shedding sprayed yarn includes the following steps: S1: Raw materials for configuring the core wire, filling the inner layer, and covering the outer layer; S2: The core wire passes through the inlet of the forming tube, the internal twisting and winding, and the outlet in sequence; S3: The disordered short fibers are fed into the combing box for combing and then put into the forming tube. Together with the core yarn, they are led out from the outlet of the tube to obtain the raw yarn. S4: The outer filament is wound onto the surface of the raw yarn, and the yarn is dropped to obtain sprayed yarn.

[0037] Example 2

[0038] Example 2 is based on Example 1, except that the mass ratio of island components to zinc oxide nanoparticles in the island phase is 100:5, while other components and processes remain unchanged.

[0039] Example 3

[0040] Example 3 is based on Example 1, except that the mass ratio of island components to zinc oxide nanoparticles in the island phase is 100:4, while other components and processes remain unchanged.

[0041] Example 4

[0042] Example 4 is based on Example 1, except that the island component consists of polyester A and polyester B in a mass ratio of 1:0.25. Polyester B is a bio-based poly(2,5-furandicarboxylic acid-succinic acid-butanediol) copolyester. Other components and processes remain unchanged.

[0043] Example 5

[0044] Example 5 is based on Example 1, except that the island component is composed of polyester A and polyester B in a mass ratio of 1:0.2, while other components and processes remain unchanged.

[0045] Example 6

[0046] Example 6 is based on Example 1, except that the island component is only A polyester (polyethylene terephthalate), while the other components and processes remain unchanged.

[0047] Comparative Example 1 Comparative Example 1 is based on Example 1, except that the island fiber includes island phase and marine phase in a mass ratio of 5.5:4.5, while other components and processes remain unchanged.

[0048] Comparative Example 2 Comparative Example 2 is based on Example 1, except that the ratio of island components to zinc oxide nanoparticles in the island phase remains unchanged, but the zinc oxide nanoparticles are not modified with carboxylated cellulose nanocrystals. Other components and processes remain unchanged.

[0049] Performance tests of sprayed yarn in the examples and comparative examples: (1) Fracture strength: determined according to FZ / T 22016-2019 standard; (2) Fiber friction loss rate: determined according to FZ / T 22016-2019 standard.

[0050] The performance test results of the example and comparative examples of sprayed yarn are as follows:

[0051] Compared to Example 1, Examples 2 and 3 show a reduction in the content of zinc oxide nanoparticles, which negatively impacts both the breaking strength and friction loss rate of the yarn.

[0052] Compared to Example 1, in Example 4, polyester B is a bio-based poly(2,5-furandicarboxylic acid-succinic acid-butanediol) copolyester, which has a negative impact on the breaking strength and friction loss rate of the yarn.

[0053] Compared to Example 1, Example 6 only had polyester A as the island component and was not mixed with bio-based poly(2,5-furandicarboxylic acid-succinic acid-ethylene glycol) copolyester, which had a negative impact on the breaking strength and friction loss rate of the yarn.

[0054] Compared to Example 1, Comparative Example 1 showed an increased proportion of marine phase in the sea-island fiber, which negatively impacted both the breaking strength and friction loss rate of the yarn. However, the sprayed yarn was softer and had a better fluffy feel.

[0055] Compared to Example 1, Comparative Example 2, where zinc oxide nanoparticles were not modified with carboxylated cellulose nanocrystals, resulted in uneven dispersion, which negatively impacted both breaking strength and friction loss rate, and also reduced the softness of the sprayed yarn.

[0056] Performance tests of the fabrics in the examples and comparative examples: (1) Antibacterial properties: According to GB / T20994.3-2008 standard, the antibacterial rate of the fabric was tested after 10 washes using a washing fastness tester.

[0057] The antibacterial performance test results of the fabrics in the examples and comparative examples are as follows:

[0058] Bacterium A: Staphylococcus aureus; Bacterium B: Escherichia coli.

[0059] Compared to Example 1, Examples 2 and 3 show a reduction in the content of zinc oxide nanoparticles, resulting in a decrease in the antibacterial properties of the fabric. However, excessive addition of zinc oxide nanoparticles negatively impacts the softness of the sprayed yarn.

[0060] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A lint-resistant spray-molded yarn, comprising at least a filling inner layer and a covering outer layer, characterized in that, The inner filling layer is a disordered mixed fiber, and the outer covering layer is a sea-island fiber, wherein the sea-island fiber comprises island phase and marine phase in a mass ratio of (6~7):(3~4); The marine phase was obtained by modifying polyvinyl alcohol with a modified polyol plasticizer, calcium stearate, and antioxidants; The island phase is obtained by modifying the island components with zinc oxide nanoparticles; The zinc oxide nanoparticles were prepared by modifying zinc oxide with carboxylated cellulose nanocrystals.

2. The anti-shedding sprayed yarn according to claim 1, characterized in that, The modified polyol plasticizer is composed of choline chloride and xylitol in a molar ratio of (0.5~0.6):

1. The mass ratio of the modified polyol plasticizer, calcium stearate, antioxidant and polyvinyl alcohol in the marine phase is (9~11), (2~5):1:(81~86).

3. The anti-shedding sprayed yarn according to claim 1 or 2, characterized in that, The preparation method of the zinc oxide nanoparticles is as follows: First, zinc acetate and sodium hydroxide in a molar ratio of 1:3 are dissolved in deionized water and reacted. Then, 9% to 10% of the total mass of zinc acetate and sodium hydroxide are added to carboxylated cellulose nanocrystals. The preparation method of the carboxylated cellulose nanocrystals is as follows: First, logs are treated with 5wt% peracetic acid at 85℃ and then washed to obtain a blank; then, the blank is subjected to an oxidation system adjusted to a pH of 10~10.5 and the reaction continues; finally, the blanks are washed and dialyzed to obtain carboxylated cellulose nanocrystals; the mass ratio of peracetic acid to logs is (0.4~0.5):1, and the oxidation system includes 2,2,6,6-tetramethylpiperidine-1-oxy free radical, sodium bromide, 10% sodium hypochlorite solution, and water.

4. The anti-shedding sprayed yarn according to claim 3, characterized in that, The mass ratio of island components to zinc oxide nanoparticles in the island phase is 100:(5~6).

5. The anti-shedding sprayed yarn according to claim 4, characterized in that, The island component comprises polyester A and polyester B in a mass ratio of 1:(0.2~0.3), wherein polyester A is polyethylene terephthalate and polyester B is one or more of bio-based poly(2,5-furandicarboxylic acid-succinic acid-butanediol) copolyester and bio-based poly(2,5-furandicarboxylic acid-succinic acid-ethylene glycol) copolyester.

6. The anti-shedding sprayed yarn according to claim 2 or 5, characterized in that, The preparation method of the island fiber is as follows: a) Mix the island component and zinc oxide nanoparticles, melt blend, extrude, and granulate to obtain island phase masterbatch; b) Dissolve the modified polyol plasticizer in deionized water, then mix it evenly with polyvinyl alcohol and swell it, then dry and pulverize it, mix it with calcium stearate and antioxidant, melt blend, extrude, and granulate to obtain marine phase masterbatch; c) Precrystallize and dry the marine phase masterbatch, then mix it with the island phase masterbatch and melt blend and spin it to obtain island fiber; d) Perform oiling, stretching, crimping and drying processes on the island fiber to obtain island filament. e. The coarse filaments of the island are split and dried to obtain filaments composed of island fibers.

7. The anti-shedding sprayed yarn according to claim 1, characterized in that, The disordered short fibers are one or more of the following: viscose fiber, bamboo fiber, acrylic fiber, polyester fiber, nylon fiber, wool, alpaca hair, mohair, rabbit hair, and yak hair.

8. A method for preparing anti-shedding sprayed yarn, characterized in that, Based on the anti-shedding sprayed yarn according to any one of claims 1 to 7, it further includes a core thread threaded through the inner filling layer, comprising the following steps: S1: Raw materials for configuring the core wire, filling the inner layer, and covering the outer layer; S2: The core wire passes sequentially through the inlet of the forming tube, the internal twisting and winding, and the outlet of the tube; S3: The disordered short fibers are fed into the combing box for combing and then put into the forming tube. Together with the core yarn, they are led out from the outlet tube to obtain the raw yarn. S4: The filaments covering the outer layer are wound onto the surface of the raw yarn, and the yarn is dropped to obtain sprayed yarn.

9. The method for preparing anti-shedding sprayed yarn according to claim 8, characterized in that, The core wire is a polyester low-elasticity filament with a fineness of 50~80D, and the length of the disordered short fibers is 40~70mm.

10. A fabric, characterized in that, The fabric is woven from the anti-shedding sprayed yarn as described in any one of claims 1 to 7; or the fabric is woven from the yarn obtained by the method for preparing anti-shedding sprayed yarn as described in any one of claims 8 to 9.

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