Processing technology of anti-pilling wear-resistant composite yarn

Abstract

The application relates to the technical field of yarn preparation, and discloses a processing technology of anti-pilling wear-resistant composite yarn; the processing technology of the anti-pilling wear-resistant composite yarn comprises the following steps: S1, raw material preparation; S2, hair removal treatment; S3, functional agent soaking; S4, composite spinning; S5, softening and smoothing; S6, anti-static treatment; S7, coating treatment; and S8, drying treatment. The modified graphene fiber has the properties of radiation resistance, ultraviolet resistance and antibiosis; the nanometer fiber has the properties of good wear resistance, high elasticity and soft hand feeling; the bamboo fiber has the properties of air permeability, instantaneous water absorption and strong wear resistance; the composite yarn obtained by grouping and composite spinning of superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanometer fiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber has stronger wear resistance, anti-pilling property and air permeability.

Description

Technical Field

[0001] This invention belongs to the field of yarn preparation technology, specifically a processing technology for anti-pilling and abrasion-resistant composite yarn. Background Technology

[0002] With the improvement of living standards, people have put forward various requirements for textiles, such as personalization, diversification, and functionality, and have also placed higher demands on the diversity of yarn varieties. At present, a large number of new textile raw materials are emerging, and various new textile technologies are emerging one after another. Multi-component composite yarn is one of the most promising types of new textile products.

[0003] The existing composite yarns have a relatively complex production process, which is not conducive to continuous production lines and affects production efficiency. In addition, the current composite yarns have poor abrasion resistance, pilling resistance and antistatic properties, resulting in fabrics with low comfort and easy wear, which also leads to a reduced service life. Therefore, in view of the current situation, it is necessary to improve them. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, the present invention provides a processing technology for anti-pilling and abrasion-resistant composite yarn, which effectively solves the problems that the existing composite yarn production process is relatively complicated, which is not conducive to continuous production line production and affects production efficiency. Moreover, the current composite yarn has poor abrasion resistance, anti-pilling and antistatic properties, resulting in low comfort of the woven fabric and easy wear, which also leads to a reduced service life.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a processing method for anti-pilling and abrasion-resistant composite yarn, comprising the following steps:

[0006] S1: Raw material preparation: Prepare 10-15 parts of superfine wool fiber, 25-28 parts of polyacrylonitrile fiber, 10-20 parts of modified graphene fiber, 15-16 parts of nanofiber, 30-35 parts of cotton fiber, 20-30 parts of polyester fiber, 5-12 parts of bamboo fiber, 5-10 parts of nylon fiber, and 20-25 parts of flax fiber for later use.

[0007] S2: Dehairing treatment: Based on the above step S1, the prepared superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber are subjected to dehairing treatment. The specific method of dehairing treatment is to first comb the dehair with a combing machine and then perform a second dehairing by burning.

[0008] S3: Functional agent soaking: Based on the above step S2, the superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber that have been de-haired are soaked in a comprehensive functional agent. The soaking adopts the three-dip and three-pressure method, and the fibers are dried after soaking.

[0009] S4: Composite weaving: Based on the above step S3, the fibers that have been functionally soaked are grouped into three groups: one group consisting of superfine wool fiber, polyacrylonitrile fiber and flax fiber; another group consisting of modified graphene fiber, cotton fiber and polyester fiber; and a third group consisting of nanofiber, bamboo fiber and nylon fiber. After weaving each group of fibers, the three groups of woven fibers are combined and woven to obtain composite fibers.

[0010] S5: Softening and softening: Based on the above step S4, the composite fiber is soaked in a softening agent, dried after soaking, and then soaked in a softening agent again after drying. After soaking, the composite fiber is dried again.

[0011] S6: Antistatic treatment: Based on the above step S5, the softened and smoothed composite fibers are immersed in an antistatic agent. The immersion is done in a two-immersion method, and the fibers are naturally dried after each immersion.

[0012] S7: Coating treatment: Based on the above step S6, the composite fiber soaked in antistatic treatment is sprayed with antistatic coating liquid, and after the coating liquid dries, the composite fiber is coated with anti-permeability wax.

[0013] S8: Drying treatment: Based on the above step S7, the composite fiber is dried to a moisture content of 40%-50% using a dryer, and then dried naturally to obtain anti-pilling and wear-resistant composite yarn.

[0014] Preferably, in step S2, the combing machine is specifically a CLD / 4S model, and the combing machine removes stray hairs at least 3-7 times.

[0015] Preferably, in step S3, the comprehensive functional agent specifically includes an antibacterial agent, an anti-pilling agent, and a penetrant. The antibacterial agent is specifically one or a combination of polystyrene caprolactone, polypyridine, or polythiazole. The anti-pilling agent is specifically one or a combination of HB-218, SWA, or HOLPOSON. The penetrant is specifically one or a combination of sulfated castor oil, sodium alkyl sulfonate, or sodium alkylbenzene sulfonate. The three-immersion three-pressure method involves immersion time of 20-25 minutes each time, with a pressure residue of 20%-30% each time.

[0016] Preferably, in step S4, Siro spinning is used when spinning ultrafine wool fiber, polyacrylonitrile fiber and flax fiber, Soro spinning is used when spinning modified graphene fiber, cotton fiber and polyester fiber, as well as nanofiber, bamboo fiber and nylon fiber, and spiral spinning is used when combining the three groups of spun fibers.

[0017] Preferably, in step S5, the softener is specifically one or a combination of several of sulfonated oil, sodium octadecanol succinate sulfonate, or octadecanol sulfate; the fabric softener is specifically one or a combination of several of pentaerythritol, fatty esters of sorbitol, or polysiloxane.

[0018] Preferably, in step S6, the antistatic agent is one or a combination of several of quaternary α-hydroxyethylamine phosphate, polyacrylate, or maleic anhydride, and the soaking time for each immersion in the double immersion method is 15-25 minutes.

[0019] Preferably, in step S7, the antistatic coating liquid is specifically alkyl dicarboxymethyl ammonium acetate or dodecyl dimethyl quaternary acetate, and the anti-permeability wax is specifically chitosan solution.

[0020] Preferably, in step S8, the dryer is a WQ56U4D automatic dryer, and the drying temperature is 30℃-45℃.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. Modified graphene fiber has anti-radiation, anti-ultraviolet and antibacterial properties; nanofiber has good wear resistance, high elasticity and soft hand feel; bamboo fiber has breathability, instant water absorption and strong wear resistance. The composite yarn obtained by grouping and weaving and compounding superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber has stronger wear resistance, anti-pilling and breathability. Therefore, the fabric woven from the composite yarn is more comfortable and has a longer service life.

[0022] 2. After the fibers are treated with a combination of functional agents such as depilator, antibacterial agent, anti-pilling agent and penetrant, softening and smoothing, antistatic treatment and coating treatment, the resulting composite yarn has stronger antibacterial properties, antistatic properties and smoothness.

[0023] 3. The entire process is simple and low-cost, making it more suitable for continuous production and thus improving production efficiency. Attached Figure Description

[0024] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0025] In the attached diagram:

[0026] Figure 1 This is a process flow diagram of the anti-pilling and abrasion-resistant composite yarn of the present invention. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0028] like Figure 1 As shown, the present invention provides a technical solution: a processing technology for anti-pilling and abrasion-resistant composite yarn, comprising the following steps:

[0029] S1: Raw material preparation: Prepare 10-15 parts of superfine wool fiber, 25-28 parts of polyacrylonitrile fiber, 10-20 parts of modified graphene fiber, 15-16 parts of nanofiber, 30-35 parts of cotton fiber, 20-30 parts of polyester fiber, 5-12 parts of bamboo fiber, 5-10 parts of nylon fiber, and 20-25 parts of flax fiber for later use.

[0030] S2: Dehairing treatment: Based on the above step S1, the prepared superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber are subjected to dehairing treatment. The specific method of dehairing treatment is to first comb the dehair with a combing machine and then perform a second dehairing by burning.

[0031] S3: Functional agent soaking: Based on the above step S2, the superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber that have been de-haired are soaked in a comprehensive functional agent. The soaking adopts the three-dip and three-pressure method, and the fibers are dried after soaking.

[0032] S4: Composite weaving: Based on the above step S3, the fibers that have been functionally soaked are grouped into three groups: one group consisting of superfine wool fiber, polyacrylonitrile fiber and flax fiber; another group consisting of modified graphene fiber, cotton fiber and polyester fiber; and a third group consisting of nanofiber, bamboo fiber and nylon fiber. After weaving each group of fibers, the three groups of woven fibers are combined and woven to obtain composite fibers.

[0033] S5: Softening and softening: Based on the above step S4, the composite fiber is soaked in a softening agent, dried after soaking, and then soaked in a softening agent again after drying. After soaking, the composite fiber is dried again.

[0034] S6: Antistatic treatment: Based on the above step S5, the softened and smoothed composite fibers are immersed in an antistatic agent. The immersion is done in a two-immersion method, and the fibers are naturally dried after each immersion.

[0035] S7: Coating treatment: Based on the above step S6, the composite fiber soaked in antistatic treatment is sprayed with antistatic coating liquid, and after the coating liquid dries, the composite fiber is coated with anti-permeability wax.

[0036] S8: Drying treatment: Based on the above step S7, the composite fiber is dried to a moisture content of 40%-50% using a dryer, and then dried naturally to obtain anti-pilling and wear-resistant composite yarn.

[0037] In step S2, the combing machine is specifically a CLD / 4S model, and the process of removing stray hairs using the combing machine is performed at least 3-7 times. In step S3, the comprehensive functional agent specifically includes an antibacterial agent, an anti-pilling agent, and a penetrant. The antibacterial agent is specifically one or a combination of polystyrene caprolactone, polypyridine, or polythiazole. The anti-pilling agent is specifically one or a combination of HB-218, SWA, or HOLPOSON. The penetrant is specifically one or a combination of sulfated castor oil, sodium alkyl sulfonate, or sodium alkylbenzene sulfonate. The three-dip three-press method involves soaking for 20-25 minutes each time, with a pressure residue of 20%-30% each time. In step S4, Sirospin is used when spinning superfine wool fibers, polyacrylonitrile fibers, and flax fibers. The process is also used when spinning modified graphene fibers, cotton fibers, polyester fibers, nanofibers, and bamboo fibers. When spinning nylon fibers and fiber filaments, Solo spinning is used; when combining the three groups of spun fibers, the spiral spinning method is used. In step S5, the softener is specifically one or a combination of sulfonated oil, sodium octadecanol succinate sulfonate, or octadecanol sulfate. The fabric softener is specifically one or a combination of pentaerythritol, fatty esters of sorbitol, or polysiloxane. In step S6, the antistatic agent is specifically one or a combination of quaternary α-hydroxyethylamine phosphate, polyacrylate, or maleic anhydride. The soaking time for each dip in the two-dip method is 15-25 minutes. In step S7, the antistatic coating is specifically alkyl dicarboxymethyl ammonium acetate or dodecyl dimethyl quaternary acetate, and the anti-penetration wax is specifically chitosan solution. In step S8, the dryer is specifically a WQ56U4D automatic dryer, and the drying temperature is 30℃-45℃.

[0038] Example 1

[0039] A processing technology for anti-pilling and abrasion-resistant composite yarn includes the following steps:

[0040] S1: Raw material preparation: Prepare 10 parts of superfine wool fiber, 25 parts of polyacrylonitrile fiber, 10 parts of modified graphene fiber, 15 parts of nanofiber, 30 parts of cotton fiber, 20 parts of polyester fiber, 5 parts of bamboo fiber, 5 parts of nylon fiber and 20 parts of flax fiber for later use.

[0041] S2: Dehairing treatment: Based on the above step S1, the prepared superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber are subjected to dehairing treatment. The specific method of dehairing treatment is to first comb the dehair with a combing machine and then perform a second dehairing by burning.

[0042] S3: Functional agent soaking: Based on the above step S2, the superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber that have been de-haired are soaked in a comprehensive functional agent. The soaking adopts the three-dip and three-pressure method, and the fibers are dried after soaking.

[0043] S4: Composite weaving: Based on the above step S3, the fibers that have been functionally soaked are grouped into three groups: one group consisting of superfine wool fiber, polyacrylonitrile fiber and flax fiber; another group consisting of modified graphene fiber, cotton fiber and polyester fiber; and a third group consisting of nanofiber, bamboo fiber and nylon fiber. After weaving each group of fibers, the three groups of woven fibers are combined and woven to obtain composite fibers.

[0044] S5: Softening and softening: Based on the above step S4, the composite fiber is soaked in a softening agent, dried after soaking, and then soaked in a softening agent again after drying. After soaking, the composite fiber is dried again.

[0045] S6: Antistatic treatment: Based on the above step S5, the softened and smoothed composite fibers are immersed in an antistatic agent. The immersion is done in a two-immersion method, and the fibers are naturally dried after each immersion.

[0046] S7: Coating treatment: Based on the above step S6, the composite fiber soaked in antistatic treatment is sprayed with antistatic coating liquid, and after the coating liquid dries, the composite fiber is coated with anti-permeability wax.

[0047] S8: Drying treatment: Based on the above step S7, the composite fiber is dried to a moisture content of 40% by a dryer, and then dried by natural drying to obtain anti-pilling and wear-resistant composite yarn.

[0048] The anti-pilling and abrasion-resistant composite yarn prepared by the above process has modified graphene fibers with anti-radiation, anti-ultraviolet and antibacterial properties, nanofibers with good abrasion resistance, high elasticity and soft hand feel, and bamboo fibers with breathability, instant water absorption and strong abrasion resistance. The composite yarn obtained by grouping and weaving superfine wool fibers, polyacrylonitrile fibers, modified graphene fibers, nanofibers, cotton fibers, polyester fibers, bamboo fibers, nylon fibers and flax fibers has stronger abrasion resistance, anti-pilling and breathability. Therefore, the fabric woven from the composite yarn is more comfortable and has a longer service life.

[0049] Example 2

[0050] A processing technology for anti-pilling and abrasion-resistant composite yarn includes the following steps:

[0051] S1: Raw material preparation: Prepare 12 parts of superfine wool fiber, 16 parts of polyacrylonitrile fiber, 15 parts of modified graphene fiber, 15 parts of nanofiber, 33 parts of cotton fiber, 25 parts of polyester fiber, 8 parts of bamboo fiber, 7 parts of nylon fiber and 22 parts of flax fiber for later use.

[0052] S2: Dehairing treatment: Based on the above step S1, the prepared superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber are subjected to dehairing treatment. The specific method of dehairing treatment is to first comb the dehair with a combing machine and then perform a second dehairing by burning.

[0053] S3: Functional agent soaking: Based on the above step S2, the superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber that have been de-haired are soaked in a comprehensive functional agent. The soaking adopts the three-dip and three-pressure method, and the fibers are dried after soaking.

[0054] S4: Composite weaving: Based on the above step S3, the fibers that have been functionally soaked are grouped into three groups: one group consisting of superfine wool fiber, polyacrylonitrile fiber and flax fiber; another group consisting of modified graphene fiber, cotton fiber and polyester fiber; and a third group consisting of nanofiber, bamboo fiber and nylon fiber. After weaving each group of fibers, the three groups of woven fibers are combined and woven to obtain composite fibers.

[0055] S5: Softening and softening: Based on the above step S4, the composite fiber is soaked in a softening agent, dried after soaking, and then soaked in a softening agent again after drying. After soaking, the composite fiber is dried again.

[0056] S6: Antistatic treatment: Based on the above step S5, the softened and smoothed composite fibers are immersed in an antistatic agent. The immersion is done in a two-immersion method, and the fibers are naturally dried after each immersion.

[0057] S7: Coating treatment: Based on the above step S6, the composite fiber soaked in antistatic treatment is sprayed with antistatic coating liquid, and after the coating liquid dries, the composite fiber is coated with anti-permeability wax.

[0058] S8: Drying treatment: Based on the above step S7, the composite fiber is dried to a moisture content of 45% by a dryer, and then dried by natural drying to obtain anti-pilling and wear-resistant composite yarn.

[0059] The anti-pilling and abrasion-resistant composite yarn prepared by the above process, after the fibers are soaked in a combination of functional agents including depilation, antibacterial agents, anti-pilling agents and penetrants, softening and smoothing, antistatic treatment and coating treatment, the resulting composite yarn has stronger antibacterial properties, antistatic properties and smoothness.

[0060] Example 3

[0061] A processing technology for anti-pilling and abrasion-resistant composite yarn includes the following steps:

[0062] S1: Raw material preparation: Prepare 15 parts of superfine wool fiber, 28 parts of polyacrylonitrile fiber, 20 parts of modified graphene fiber, 16 parts of nanofiber, 35 parts of cotton fiber, 30 parts of polyester fiber, 12 parts of bamboo fiber, 10 parts of nylon fiber and 25 parts of flax fiber for later use.

[0063] S2: Dehairing treatment: Based on the above step S1, the prepared superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber are subjected to dehairing treatment. The specific method of dehairing treatment is to first comb the dehair with a combing machine and then perform a second dehairing by burning.

[0064] S3: Functional agent soaking: Based on the above step S2, the superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber that have been de-haired are soaked in a comprehensive functional agent. The soaking adopts the three-dip and three-pressure method, and the fibers are dried after soaking.

[0065] S4: Composite weaving: Based on the above step S3, the fibers that have been functionally soaked are grouped into three groups: one group consisting of superfine wool fiber, polyacrylonitrile fiber and flax fiber; another group consisting of modified graphene fiber, cotton fiber and polyester fiber; and a third group consisting of nanofiber, bamboo fiber and nylon fiber. After weaving each group of fibers, the three groups of woven fibers are combined and woven to obtain composite fibers.

[0066] S5: Softening and softening: Based on the above step S4, the composite fiber is soaked in a softening agent, dried after soaking, and then soaked in a softening agent again after drying. After soaking, the composite fiber is dried again.

[0067] S6: Antistatic treatment: Based on the above step S5, the softened and smoothed composite fibers are immersed in an antistatic agent. The immersion is done in a two-immersion method, and the fibers are naturally dried after each immersion.

[0068] S7: Coating treatment: Based on the above step S6, the composite fiber soaked in antistatic treatment is sprayed with antistatic coating liquid, and after the coating liquid dries, the composite fiber is coated with anti-permeability wax.

[0069] S8: Drying treatment: Based on the above step S7, the composite fiber is dried to 50% moisture content using a dryer, and then dried naturally to obtain anti-pilling and wear-resistant composite yarn.

[0070] The anti-pilling and abrasion-resistant composite yarn prepared by the above process has a simple process, low cost, and is more suitable for continuous production, thereby improving production efficiency.

[0071] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0072] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A processing technology for anti-pilling and abrasion-resistant composite yarn, characterized in that: Includes the following steps: S1: Raw material preparation: Prepare 10-15 parts of superfine wool fiber, 25-28 parts of polyacrylonitrile fiber, 10-20 parts of modified graphene fiber, 15-16 parts of nanofiber, 30-35 parts of cotton fiber, 20-30 parts of polyester fiber, 5-12 parts of bamboo fiber, 5-10 parts of nylon fiber, and 20-25 parts of flax fiber for later use. S2: Dehairing treatment: Based on the above step S1, the prepared superfine wool fiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber and flax fiber are subjected to dehairing treatment. The specific method of dehairing treatment is to first comb the dehair with a combing machine and then perform a second dehairing by burning. S3: Functional Agent Immersion: Based on step S2 above, the de-haired microfiber, polyacrylonitrile fiber, modified graphene fiber, nanofiber, cotton fiber, polyester fiber, bamboo fiber, nylon fiber, and flax fiber are immersed in a comprehensive functional agent. This immersion adopts a three-immersion, three-pressure method, and the fibers are dried after immersion. The comprehensive functional agent specifically includes an antibacterial agent, an anti-pilling agent, and a penetrant. The antibacterial agent is specifically one or a combination of polystyrene caprolactone, polypyridine, or polythiazole. The anti-pilling agent is specifically one or a combination of HB-218, SWA, or HOLPOSON. The penetrant is specifically one or a combination of sulfated castor oil, sodium alkyl sulfonate, or sodium alkylbenzene sulfonate. The three-immersion, three-pressure method involves immersion time of 20-25 minutes each time, with a pressure residue of 20%-30% each time. S4: Composite Textile: Based on step S3 above, the fibers that have undergone functional soaking are grouped into three groups: superfine wool fiber, polyacrylonitrile fiber, and flax fiber in one group; modified graphene fiber, cotton fiber, and polyester fiber in another group; and nanofiber, bamboo fiber, and nylon fiber in yet another group. After spinning each group of fibers, the three groups of spun fibers are then compositely spun to obtain composite fibers. Siro spinning is used when spinning superfine wool fiber, polyacrylonitrile fiber, and flax fiber; Solo spinning is used when spinning modified graphene fiber, cotton fiber, polyester fiber, nanofiber, bamboo fiber, and nylon fiber; and spiral spinning is used when compositely spinning the three groups of spun fibers. S5: Softening and softening: Based on the above step S4, the composite fiber is soaked in a softening agent, dried after soaking, and then soaked in a softening agent again after drying. After soaking, the composite fiber is dried again. S6: Antistatic treatment: Based on the above step S5, the softened and smoothed composite fibers are immersed in an antistatic agent. The immersion is done in a two-immersion method, and the fibers are naturally dried after each immersion. S7: Coating treatment: Based on the above step S6, the composite fiber soaked in antistatic treatment is sprayed with antistatic coating liquid, and after the coating liquid dries, the composite fiber is coated with anti-permeability wax. S8: Drying treatment: Based on the above step S7, the composite fiber is dried to a moisture content of 40%-50% by a dryer, and then dried naturally by a dryer at a temperature of 30℃-45℃, thereby obtaining anti-pilling and wear-resistant composite yarn.

2. The processing technology of the anti-pilling and abrasion-resistant composite yarn according to claim 1, characterized in that: In step S2, the combing machine is specifically a CLD / 4S model, and the combing machine is used to remove stray hairs at least 3-7 times.

3. The processing technology of the anti-pilling and abrasion-resistant composite yarn according to claim 1, characterized in that: In step S5, the softener is specifically one or a combination of several of sulfonated oil, sodium octadecanol succinate sulfonate, or octadecanol sulfate; the fabric softener is specifically one or a combination of several of pentaerythritol, fatty esters of sorbitol, or polysiloxane.

4. The processing technology of the anti-pilling and abrasion-resistant composite yarn according to claim 1, characterized in that: In step S6, the antistatic agent is specifically one or a combination of several of quaternary α-hydroxyethylamine phosphate, polyacrylate, or maleic anhydride, and the soaking time for each dip in the two-dip method is 15-25 minutes.

5. The processing technology of the anti-pilling and abrasion-resistant composite yarn according to claim 1, characterized in that: In step S7, the antistatic coating liquid is specifically alkyl dicarboxymethyl ammonium acetate or dodecyl dimethyl quaternary acetate, and the anti-permeability wax is specifically chitosan solution.

6. The processing technology of the anti-pilling and abrasion-resistant composite yarn according to claim 1, characterized in that: In step S8, the dryer is specifically model WQ56U4D automatic dryer.

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