CN119352203A - A preparation process of antibacterial blended yarn - Google Patents
A preparation process of antibacterial blended yarn Download PDFInfo
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- CN119352203A CN119352203A CN202411492588.7A CN202411492588A CN119352203A CN 119352203 A CN119352203 A CN 119352203A CN 202411492588 A CN202411492588 A CN 202411492588A CN 119352203 A CN119352203 A CN 119352203A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/449—Yarns or threads with antibacterial properties
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, e.g. by ultrasonic waves, corona discharge, irradiation, electric currents or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Sonic or ultrasonic waves; Corona discharge
- D06M10/025—Corona discharge or low temperature plasma
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/04—Linen
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/06—Jute
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/22—Physical properties protective against sunlight or UV radiation
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- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
本发明涉及纺织技术领域，具体为一种抗菌混纺纱线的制备工艺，包括以下步骤：选择混纺原料，对混纺原料进行预处理，将预处理后的混纺原料混合均匀，得到混纺纤维混合物；有益效果为：本发明提出的抗菌混纺纱线的制备工艺，通过精心选择竹浆纤维、天然麻纤维、改性聚酯纤维和氨纶纤维等原料，并确定合理的配比，使得制备出的纱线既具有优良的抗菌性能，又保持了良好的吸湿性、透气性、弹性和耐磨性。
The invention relates to the field of textile technology, and specifically to a preparation process of an antibacterial blended yarn, comprising the following steps: selecting blended raw materials, pretreating the blended raw materials, and uniformly mixing the pretreated blended raw materials to obtain a blended fiber mixture; the beneficial effect is: the preparation process of the antibacterial blended yarn proposed by the invention, by carefully selecting raw materials such as bamboo pulp fiber, natural hemp fiber, modified polyester fiber and spandex fiber, and determining a reasonable ratio, the prepared yarn has both excellent antibacterial performance and maintains good hygroscopicity, air permeability, elasticity and wear resistance.
Description
Technical Field
The invention relates to the textile field, in particular to a preparation process of an antibacterial blended yarn.
Background
With the continuous progress of textile technology and the increasing demands of consumers for textile functionality, the preparation process of antibacterial blended yarns is becoming a research hotspot in the textile industry. Traditional yarn manufacturing processes tend to focus on the strength and abrasion resistance of the yarn, while less focus is placed on the antimicrobial properties of the yarn. However, textiles with antibacterial function have wide application prospects in various fields of medical treatment, sports, home furnishings and the like.
The choice of raw materials is critical when preparing the antimicrobial blended yarn. Bamboo pulp fibers are favored for their good moisture absorption and breathability, while natural bast fibers (such as flax or jute) have excellent antimicrobial properties and durability. The modified polyester fiber can improve the ultraviolet resistance and wear resistance of the yarn through special-shaped section design and ultraviolet resistance treatment. The addition of spandex gives the yarn good elasticity.
However, simply blending these materials does not meet the requirements for antimicrobial properties. Therefore, it is necessary to uniformly load the composite antibacterial agent onto the blend fiber during spinning. The composite antibacterial agent generally comprises nano silver ions, natural plant extracts, chitosan and other components, and the components can be synergistic to effectively kill or inhibit the growth of bacteria.
In addition, the preparation process of the yarn further comprises a plurality of steps of pretreatment, spinning, post-treatment and the like. The pretreatment can improve the surface performance of the fibers and the bonding force between the fibers, the spinning speed, the tension, the temperature and other parameters are required to be controlled in the spinning process so as to ensure the quality and the performance of the yarns, and the post-treatment comprises the steps of dyeing, shaping, crease-resistant finishing and the like so as to further improve the appearance and the service performance of the yarns.
Although the existing antibacterial blended yarn preparation process has been advanced to some extent, some disadvantages still exist. For example, the loading efficiency and uniformity of the antimicrobial agent are required to be improved, the antimicrobial performance of the yarn is required to be further improved, and meanwhile, the parameter control in the preparation process is required to be more accurate and intelligent so as to meet the requirements of different fields on the yarn performance.
Disclosure of Invention
The invention aims to provide a preparation process of an antibacterial blended yarn, which aims to solve the problems in the background technology.
In order to achieve the aim, the invention provides the following technical scheme that the preparation process of the antibacterial blended yarn comprises the following steps of:
selecting blending raw materials, namely 30% by weight of bamboo pulp fibers, 20% by weight of natural fibrilia, specifically 10% by weight of flax fibers or jute fibers and modified polyester fibers, and 5% by weight of spandex fibers through special-shaped section design and ultraviolet resistance treatment;
Pretreating the blended raw material, namely mercerizing the blended raw material in a weak alkaline aqueous solution with the pH value of 8.5 for 60 minutes, adopting a plasma surface modification technology, wherein the treatment power is 80W, the treatment time is 45 seconds, the gas atmosphere is argon, and simultaneously introducing nano silicon dioxide particles, wherein the addition amount is 1.0% of the weight of the fiber;
And uniformly mixing the pretreated blending raw materials to obtain a blending fiber mixture.
Preferably, the method further comprises the step of feeding the blend into an intimate spinning apparatus for spinning at 4000 rpm, a spinning tension of 7 grams force/denier, a spinning temperature of 22 ℃, a relative humidity of 50%, and the step of introducing an air spinning technique.
Preferably, in the spinning process, the composite antibacterial agent is uniformly loaded on the blend fiber, the concentration of nano silver ions in the composite antibacterial agent is 1.0%, the concentration of natural plant extracts is 2.0%, the concentration of chitosan is 1.0%, and the spinning process is carried out by adopting an ultrasonic spraying and microwave treatment cooperative treatment technology, wherein the ultrasonic spraying power is 300W, the spraying time is 7 minutes, the microwave power is 800W, and the treatment time is 2 minutes.
Preferably, the method further comprises the step of carrying out post-treatment on the yarns, wherein the low-temperature dyeing temperature is 90 ℃, the shaping treatment temperature is 135 ℃, the anti-wrinkling treatment adopts an environment-friendly cross-linking agent, then the treatment time is 10 minutes by adopting an ultraviolet curing technology, the light source is an LED ultraviolet lamp, and the wavelength is 365nm.
Preferably, the method further comprises the step of carrying out on-line color mixing treatment on the blended raw materials before spinning, wherein the step is realized by a special color mixing device, the color mixing device comprises a color mixing chamber and a color homogenizing chamber, a stirrer is arranged in the color mixing chamber, the rotating speed is 120 revolutions per minute, a color homogenizing device is arranged in the color homogenizing chamber, and the color homogenizing time is 15 minutes.
Preferably, the method also comprises the step of introducing an intelligent monitoring system in the spinning process, wherein the system can monitor the quality parameters of the yarn in real time, the breaking strength is 10-50cN/tex, the elongation is 5-20% and the uniformity is less than or equal to 3%, and the spinning parameters such as spinning speed, tension and temperature are automatically adjusted according to the monitoring result.
Compared with the prior art, the invention has the beneficial effects that:
According to the preparation process of the antibacterial blended yarn, the raw materials such as the bamboo pulp fiber, the natural fibrilia, the modified polyester fiber and the spandex fiber are carefully selected, and the reasonable proportion is determined, so that the prepared yarn has excellent antibacterial performance, and good hygroscopicity, air permeability, elasticity and wear resistance are maintained.
And uniformly loading the composite antibacterial agent onto the blend fiber by adopting an ultrasonic spraying and microwave treatment cooperative treatment technology. The technology not only improves the loading efficiency of the antibacterial agent, but also ensures the uniform distribution of the antibacterial agent in the fiber, thereby improving the antibacterial performance of the yarn.
In the spinning and post-treatment processes, the quality and performance stability of the yarn are ensured by precisely controlling the spinning speed, tension, temperature, dyeing, shaping and other parameters. Meanwhile, an intelligent monitoring system is introduced to monitor quality parameters of the yarns in real time, spinning parameters are automatically adjusted according to monitoring results, and the accuracy and the intelligent level of the preparation process are further improved.
In the preparation process, the environment-friendly cross-linking agent and the LED ultraviolet lamp are adopted for crease-resist finishing and ultraviolet curing treatment, so that the emission of harmful substances is reduced, the energy consumption is reduced, and the requirements of sustainable development are met.
The prepared antibacterial blended yarn has the characteristics of excellent antibacterial property, hygroscopicity, air permeability, elasticity, wear resistance and the like, is suitable for a plurality of fields of medical treatment, sports, household and the like, and has wide market application prospect.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Referring to fig. 1, the invention provides a preparation process of an antibacterial blended yarn, which comprises the following steps:
selecting blending raw materials, namely 30% by weight of bamboo pulp fibers, 20% by weight of natural fibrilia, specifically 10% by weight of flax fibers or jute fibers and modified polyester fibers, and 5% by weight of spandex fibers through special-shaped section design and ultraviolet resistance treatment;
Pretreating the blended raw material, namely mercerizing the blended raw material in a weak alkaline aqueous solution with the pH value of 8.5 for 60 minutes, adopting a plasma surface modification technology, wherein the treatment power is 80W, the treatment time is 45 seconds, the gas atmosphere is argon, and simultaneously introducing nano silicon dioxide particles, wherein the addition amount is 1.0% of the weight of the fiber;
uniformly mixing the pretreated blending raw materials to obtain a blending fiber mixture;
The spinning process comprises the steps of uniformly loading a composite antibacterial agent on the blend fiber, wherein the concentration of nano silver ions in the composite antibacterial agent is 1.0%, the concentration of natural plant extracts is 2.0%, the concentration of chitosan is 1.0%, the spinning process is carried out by an ultrasonic spraying and microwave treatment cooperative treatment technology, the ultrasonic spraying power is 300W, the spraying time is 7 minutes, the microwave power is 800W, and the treatment time is 2 minutes;
The method further comprises the step of performing post-treatment on the yarns, wherein the low-temperature dyeing temperature is 90 ℃, the shaping treatment temperature is 135 ℃, the anti-wrinkle finishing adopts an environment-friendly cross-linking agent, then an ultraviolet curing technology is adopted, the treatment time is 10 minutes, the light source is an LED ultraviolet lamp, and the wavelength is 365nm;
The method also comprises the step of carrying out on-line color mixing treatment on the blended raw materials before spinning, wherein the step is realized by a special color mixing device, the color mixing device comprises a color mixing chamber and a color homogenizing chamber, a stirrer is arranged in the color mixing chamber, the rotating speed is 120 r/min, a color homogenizing device is arranged in the color homogenizing chamber, and the color homogenizing time is 15 min;
The intelligent monitoring system is introduced in the spinning process, and can monitor the quality parameters of the yarn in real time, wherein the breaking strength is 10-50cN/tex, the elongation is 5-20% and the uniformity is less than or equal to 3%, and the spinning parameters such as spinning speed, tension and temperature are automatically adjusted according to the monitoring result.
Embodiment II, on the basis of embodiment I, a preparation process of the antibacterial blended yarn is provided
The raw materials are selected and proportioned, namely 30 percent by weight of bamboo pulp fiber, 20 percent by weight of natural fibrilia (flax fiber), 10 percent by weight of modified polyester fiber (subjected to special-shaped cross section design and ultraviolet resistance treatment) and 5 percent by weight of spandex fiber.
Pretreatment, namely placing the blended raw materials into a weak alkaline aqueous solution (pH value is 8.5) to carry out mercerization treatment, wherein the treatment time is 60 minutes. The plasma surface modification technology is adopted, the treatment power is 80W, the treatment time is 45 seconds, and the gas atmosphere is argon. In the modification process, nano silicon dioxide particles are simultaneously introduced, and the addition amount is 1.0 percent of the weight of the fiber.
Blending, namely uniformly mixing the pretreated blending raw materials to obtain a blend fiber mixture. Spinning, namely feeding the blend fiber mixture into compact spinning equipment for spinning, wherein the spinning speed is 4000 r/min, the spinning tension is 7 g/denier, the spinning temperature is 22 ℃, and the relative humidity is 50%. Air spinning technology is introduced to improve the strength and uniformity of the yarn.
And the antibacterial agent is loaded, namely the composite antibacterial agent is uniformly loaded on the blend fiber in the spinning process. The composite antibacterial agent contains nano silver ions (concentration is 1.0%), natural plant extracts (concentration is 2.0%) and chitosan (concentration is 1.0%). The ultrasonic spraying and microwave treatment cooperative treatment technology is adopted for loading, the ultrasonic spraying power is 300W, the spraying time is 7 minutes, the microwave power is 800W, and the treatment time is 2 minutes.
And (3) post-treatment, namely dyeing the yarn at a low temperature, wherein the dyeing temperature is 90 ℃. And (5) shaping treatment, wherein the shaping treatment temperature is 135 ℃. Adopts environment-friendly crosslinking the agent is subjected to crease-resistant finishing. Ultraviolet curing treatment was performed using an LED ultraviolet lamp (wavelength: 365 nm) for 10 minutes.
The third embodiment provides the materials comprising bamboo pulp fiber 30 wt%, natural fibrilia (flax fiber) 20 wt%, modified polyester fiber (with special section and uvioresistant treatment) 10 wt% and spandex fiber 5 wt% based on the second embodiment.
Pretreatment, namely placing the blended raw materials into a weak alkaline aqueous solution (pH value is 8.5) to carry out mercerization treatment, wherein the treatment time is 60 minutes. The plasma surface modification technology is adopted, the treatment power is 80W, the treatment time is 45 seconds, and the gas atmosphere is argon. In the modification process, nano silicon dioxide particles are simultaneously introduced, and the addition amount is 1.0 percent of the weight of the fiber.
Blending, namely uniformly mixing the pretreated blending raw materials to obtain a blend fiber mixture.
And (3) performing on-line color mixing treatment, namely performing on-line color mixing treatment on the blended raw materials before spinning. A specially adapted color mixing device is used, which comprises a color mixing chamber and a color homogenizing chamber. The color mixing chamber was equipped with a stirrer at a speed of 120 rpm to ensure uniform color mixing. The color homogenizing chamber is internally provided with a color homogenizing device, and the color homogenizing time is 15 minutes so as to further ensure the uniformity of the color.
Spinning, namely feeding the blend fiber mixture into compact spinning equipment for spinning, wherein the spinning speed is 4000 r/min, the spinning tension is 7 g/denier, the spinning temperature is 22 ℃, and the relative humidity is 50%. Air spinning technology is introduced to improve the strength and uniformity of the yarn.
And the antibacterial agent is loaded, namely the composite antibacterial agent is uniformly loaded on the blend fiber in the spinning process. The composite antibacterial agent contains nano silver ions (concentration is 1.0%), natural plant extracts (concentration is 2.0%) and chitosan (concentration is 1.0%). The ultrasonic spraying and microwave treatment cooperative treatment technology is adopted for loading, the ultrasonic spraying power is 300W, the spraying time is 7 minutes, the microwave power is 800W, and the treatment time is 2 minutes.
And (3) post-treatment, namely dyeing the yarn at a low temperature, wherein the dyeing temperature is 90 ℃. And (5) shaping treatment, wherein the shaping treatment temperature is 135 ℃. Adopts environment-friendly crosslinking the agent is subjected to crease-resistant finishing. Ultraviolet curing treatment was performed using an LED ultraviolet lamp (wavelength: 365 nm) for 10 minutes.
The fourth embodiment provides the materials comprising bamboo pulp fiber 30 wt%, natural fibrilia (flax fiber) 20 wt%, modified polyester fiber (with special section and uvioresistant treatment) 10 wt% and spandex fiber 5 wt%.
Pretreatment, namely placing the blended raw materials into a weak alkaline aqueous solution (pH value is 8.5) to carry out mercerization treatment, wherein the treatment time is 60 minutes. The plasma surface modification technology is adopted, the treatment power is 80W, the treatment time is 45 seconds, and the gas atmosphere is argon. In the modification process, nano silicon dioxide particles are simultaneously introduced, and the addition amount is 1.0 percent of the weight of the fiber.
Spinning, namely feeding the blend fiber mixture into compact spinning equipment for spinning, wherein the spinning speed is 4000 r/min, the spinning tension is 7 g/denier, the spinning temperature is 22 ℃, and the relative humidity is 50%.
Air spinning technology is introduced to improve the strength and uniformity of the yarn.
An intelligent monitoring system is introduced in the spinning process, and the system can monitor quality parameters of yarn in real time, including breaking strength (monitoring range is 10-50 cN/tex), elongation (monitoring range is 5% -20%) and uniformity (variation coefficient is less than or equal to 3%).
According to the monitoring result, spinning parameters such as spinning speed, tension and temperature are automatically adjusted to ensure stable quality of yarn.
And the antibacterial agent is loaded, namely the composite antibacterial agent is uniformly loaded on the blend fiber in the spinning process. The composite antibacterial agent contains nano silver ions (concentration is 1.0%), natural plant extracts (concentration is 2.0%) and chitosan (concentration is 1.0%). The ultrasonic spraying and microwave treatment cooperative treatment technology is adopted for loading, the ultrasonic spraying power is 300W, the spraying time is 7 minutes, the microwave power is 800W, and the treatment time is 2 minutes.
And (3) post-treatment, namely dyeing the yarn at a low temperature, wherein the dyeing temperature is 90 ℃. And (5) shaping treatment, wherein the shaping treatment temperature is 135 ℃. Adopts environment-friendly crosslinking the agent is subjected to crease-resistant finishing. Ultraviolet curing treatment was performed using an LED ultraviolet lamp (wavelength: 365 nm) for 10 minutes.
Although embodiments of the present 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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The preparation process of the antibacterial blended yarn is characterized by comprising the following steps of:
selecting blending raw materials, namely 30% by weight of bamboo pulp fibers, 20% by weight of natural fibrilia, specifically 10% by weight of flax fibers or jute fibers and modified polyester fibers, and 5% by weight of spandex fibers through special-shaped section design and ultraviolet resistance treatment;
Pretreating the blended raw material, namely mercerizing the blended raw material in a weak alkaline aqueous solution with the pH value of 8.5 for 60 minutes, adopting a plasma surface modification technology, wherein the treatment power is 80W, the treatment time is 45 seconds, the gas atmosphere is argon, and simultaneously introducing nano silicon dioxide particles, wherein the addition amount is 1.0% of the weight of the fiber;
And uniformly mixing the pretreated blending raw materials to obtain a blending fiber mixture.
2. The process for preparing an antimicrobial blend yarn of claim 1 further comprising the step of feeding the blend fiber mixture to an intimate spinning apparatus for spinning at a spinning speed of 4000rpm, a spinning tension of 7 grams force per denier, a spinning temperature of 22 ℃ and a relative humidity of 50% and incorporating an air spinning technique.
3. The process for preparing the antibacterial blended yarn according to claim 2, wherein the composite antibacterial agent is uniformly loaded on the blended fiber in the spinning process, the concentration of nano silver ions in the composite antibacterial agent is 1.0%, the concentration of natural plant extracts is 2.0%, the concentration of chitosan is 1.0%, the process is carried out by a synergistic treatment technology of ultrasonic spraying and microwave treatment, the ultrasonic spraying power is 300W, the spraying time is 7 minutes, the microwave power is 800W, and the treatment time is 2 minutes.
4. The process for preparing the antibacterial blended yarn according to claim 3, further comprising the step of performing post-treatment on the yarn, wherein the low-temperature dyeing temperature is 90 ℃, the shaping treatment temperature is 135 ℃, the anti-wrinkle finishing adopts an environment-friendly cross-linking agent, the treatment time is 10 minutes by adopting an ultraviolet curing technology, the light source is an LED ultraviolet lamp, and the wavelength is 365nm.
5. The process for preparing the antibacterial blended yarn according to claim 4, further comprising the step of carrying out online color mixing treatment on the blended raw material before spinning, wherein the step is realized by a special color mixing device, the color mixing device comprises a color mixing chamber and a color homogenizing chamber, a stirrer is arranged in the color mixing chamber, the rotating speed is 120 revolutions per minute, a color homogenizing device is arranged in the color homogenizing chamber, and the color homogenizing time is 15 minutes.
6. The process for preparing the antibacterial blended yarn according to claim 5, further comprising introducing an intelligent monitoring system in the spinning process, wherein the intelligent monitoring system monitors quality parameters of the yarn in real time, the breaking strength is 10-50cN/tex, the elongation is 5-20% and the uniformity is less than or equal to 3%, and spinning parameters such as spinning speed, tension and temperature are automatically adjusted according to the monitoring result.
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