CN113106590A - Anti-pilling antibacterial wool yarn and preparation method thereof - Google Patents
Anti-pilling antibacterial wool yarn and preparation method thereof Download PDFInfo
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- CN113106590A CN113106590A CN202110407252.6A CN202110407252A CN113106590A CN 113106590 A CN113106590 A CN 113106590A CN 202110407252 A CN202110407252 A CN 202110407252A CN 113106590 A CN113106590 A CN 113106590A
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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
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
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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
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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
- D02G3/449—Yarns or threads with antibacterial properties
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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
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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
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
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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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
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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
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses an anti-pilling antibacterial wool yarn which comprises a core layer, an antibacterial nanofiber layer and a coating layer, wherein the core layer is a wool yarn, and the wool yarn is coiled to form a rhombic net structure; the antibacterial nanofiber layer is obtained by preparing silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers by an electrostatic spinning method and coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surface of the core layer; the coating layer is obtained by spirally winding Modal yarns on the surface of the antibacterial nanofiber layer at a coating angle of 30-40 degrees. The invention also provides a preparation method of the anti-pilling antibacterial wool yarn. The anti-pilling antibacterial wool yarn disclosed by the invention has good anti-pilling and antibacterial properties.
Description
Technical Field
The invention relates to the technical field of yarn production, in particular to anti-pilling antibacterial wool yarn and a preparation method thereof.
Background
The society is continuously advanced and developed, and the requirements of people on the garment fabric are continuously improved, especially in the field of wool fabric. The wool fabric is popular among many people due to the excellent heat preservation performance of the wool fabric. Wool fabrics on the market at present are mostly produced by adopting sheep wool, have good heat preservation performance, but are easy to have a pilling phenomenon, and the appearance of the wool fabrics is greatly influenced. Meanwhile, most of the existing wool fabrics do not have antibacterial performance, and along with the increasing enhancement of health care consciousness of the textiles, the wool fabrics greatly influence the use market of the wool fabrics.
The Chinese invention patent CN103271472A discloses a pilling-resistant and sweat-resistant woolen sweater which is formed by blending superfine Meilino wool, cashmere, soybean protein fiber, acrylic fiber, modal fiber and combed cotton. The invention of Chinese patent CN105239377A discloses a novel super-soft anti-pilling silver-loaded wool fabric, which is prepared by pretreating wool fibers, performing heat shock treatment, performing modification treatment by pectinase, further performing modification treatment on the wool fibers by using a composite microbial agent prepared from lactococcus lactis, Paenibacillus megatherium and EM (effective microorganisms), weaving the wool fibers into a fabric, and finally performing antibacterial finishing by using nano silver. Chinese patent CN211112425U discloses a shrinkproof, wear-resistant and antibacterial blended wool top, which comprises a plurality of strands of wool fibers, bamboo fibers, a wool fiber net layer, a nano antibacterial layer and a bamboo fiber net yarn layer.
The wool fabric has good heat preservation performance, and also has certain anti-pilling and antibacterial performances, so that the requirements of people can be basically met, but the good degrees of the anti-pilling performance and the antibacterial performance cannot be met simultaneously, the mechanical performance is poor, meanwhile, the preparation method of the wool fabric is complex, full-automatic production cannot be carried out, and the production efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the anti-pilling antibacterial wool yarn which has good anti-pilling and antibacterial properties.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides an anti-pilling antibacterial wool yarn, which comprises a core layer, an antibacterial nanofiber layer and a coating layer, wherein the core layer is a wool yarn, and the wool yarn is coiled to form a rhombic net structure; the antibacterial nanofiber layer is obtained by preparing silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers by an electrostatic spinning method and coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surface of the core layer; the coating layer is obtained by spirally winding Modal yarns on the surface of the antibacterial nanofiber layer at a coating angle of 30-40 degrees.
Further, the wool yarn is sheep wool, the fineness is 10-40 mu m, and the length is 20-70 mm.
Further, the number of the wool yarn disc-knitted yarns is 6-12.
Further, the thickness of the antibacterial nanofiber layer is 350-650 nm.
Furthermore, in the cross section of the anti-pilling antibacterial wool yarn, the cross section of the core layer accounts for 70-90%.
Further, the twist of the anti-pilling antibacterial wool yarn is 150-1000 twists/m.
The second aspect of the present invention provides a method for preparing an anti-pilling antibacterial wool yarn according to the first aspect, comprising the following steps:
s1, preparing polyacrylonitrile, silver salt and titanium dioxide into uniform spinning solution;
s2, coiling and weaving the dried wool yarns to form a rhombic net structure, preparing the spinning solution prepared in the step S1 into silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers in an electrostatic spinning mode, and coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surfaces of the wool yarns to form an antibacterial nano fiber layer;
s3, spirally winding the dried Modal yarn on the surface of the antibacterial nanofiber layer at a coating angle of 30-40 degrees to obtain the anti-pilling antibacterial wool yarn.
Further, in step S1, the silver salt is silver nitrate, silver fluoride or silver chlorate, and the mass fraction of titanium dioxide in the spinning solution is 0.5-3%.
Further, in step S2, the speed of the injection pump for electrostatic spinning is 1.0-2.0mL/h, the voltage is 15-20kV, and the receiving distance is 15-30 cm.
Further, in step S3, the prepared wool yarn is collected by a motor, and the collection speed of the motor is 200-800 r/min.
The invention has the beneficial effects that:
the invention adopts wool yarn as a core layer, silver-loaded polyacrylonitrile/titanium dioxide nano composite fiber as an antibacterial nano fiber layer and Modal yarn as a coating layer, adopts special equipment to ensure that the wool yarn has a net diamond structure, then coats the silver-loaded polyacrylonitrile/titanium dioxide nano composite fiber on the surface of the wool yarn through electrostatic spinning, and finally coats the Modal yarn on the surface of the antibacterial nano fiber layer to prepare the anti-pilling antibacterial wool yarn, because the antibacterial nano fiber layer is the silver-loaded polyacrylonitrile/titanium dioxide nano composite fiber, the prepared wool yarn not only has excellent antibacterial performance, but also the polyacrylonitrile can increase the heat retention property, and simultaneously takes the Modal yarn as the coating layer, the wool yarn not only has the anti-pilling performance, but also increases the hygroscopicity and the air permeability to a certain degree, and the net diamond structure ensures that the mechanical property of the wool yarn is better, the preparation method of the anti-pilling antibacterial wool yarn can realize full-automatic production and has higher production efficiency.
Drawings
FIG. 1 is a schematic view of a method for preparing an anti-pilling antibacterial wool yarn according to the present invention;
FIG. 2 is a schematic structural view of an anti-pilling antibacterial wool yarn of the present invention;
FIG. 3 is a schematic cross-sectional view of one of the structures of the anti-pilling antibacterial wool yarn of the present invention;
FIG. 4 is a schematic cross-sectional view of one of the structures of the anti-pilling antibacterial wool yarn of the present invention;
wherein: 1. wool yarn; 2. a disc; 3. a gear; 4. silver-loaded polyacrylonitrile/titanium dioxide nano composite fiber; 5. an injection pump; 6. an aggregator; 7. modal yarn; 8. anti-pilling antibacterial wool yarns; 9. the motor is collected.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the invention provides a preparation process of anti-pilling antibacterial wool yarn, which specifically comprises the following steps: firstly, the wool yarn 1 is rotated through the disc 2, and meanwhile, the gear 3 continuously exchanges the position of the wool yarn 1, so that the wool yarn 1 has a net-shaped diamond structure. Then, preparing the spinning solution in the injection pump 5 into silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers 4 through electrostatic spinning, and coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surface of the wool yarn 1; after the yarn passes through the collector 6, the modal yarn 7 is coated on the surface thereof by a coating process, and the manufactured anti-pilling antibacterial wool yarn 8 is collected by a collection motor 9.
The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the examples are not intended to limit the present invention.
In the following examples and comparative examples, the experimental methods used were conventional unless otherwise specified, and the materials, reagents and the like used were commercially available without otherwise specified.
Example 1
The embodiment provides an anti-pilling antibacterial wool yarn which is structurally shown in figure 2, has a cross section shown in figure 3 and comprises a core layer, an antibacterial nanofiber layer and a coating layer. Wherein the core layer is 8 wool yarns 1(W, official moisture regain of 15%, fineness of 20 μm, length of 50mm), and the product specification is 26 s/2; the antibacterial nanofiber layer is silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers; the coating layer is 1 Modal yarn 7(MD, official moisture regain of 12%) with a fineness of 32 s.
The preparation method of the anti-pilling antibacterial wool yarn comprises the following steps:
(1) drying the wool yarn 1 and the modal yarn 7 at normal temperature respectively;
(2) adding polyacrylonitrile into N, N-dimethylformamide, stirring uniformly, adding silver nitrate and titanium dioxide, and preparing into a mixed solution; then stirring for 12 hours on a magnetic stirrer at room temperature to prepare a uniformly dispersed spinning solution, wherein the mass fraction of titanium dioxide is 0.5%;
(3) knitting the wool yarn 1 by a coil to form a rhombic net structure; then, preparing the spinning solution into silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers in an electrostatic spinning mode, and uniformly coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surface of the wool yarn 1 to form an antibacterial nanofiber layer; wherein the speed of an injection pump of electrostatic spinning is 1.0mL/h, the voltage is 15kV, the receiving distance is 20cm, and the thickness of the formed antibacterial nanofiber layer is 800 nm; after passing through the collector, the modal yarn 7 is spirally wound on the surface of the antibacterial nanofiber layer at a coating angle of 40 degrees, and finally collected by a collecting motor to obtain the anti-pilling antibacterial wool yarn.
The anti-pilling antibacterial wool yarn prepared in the embodiment has the twist of 480 twists/m and the fineness of 42.5tex, and the cross section of the core layer accounts for 78% of the cross section of the anti-pilling antibacterial wool yarn.
Example 2
This example provides an anti-pilling antibacterial wool yarn, the cross section of which is shown in fig. 4, and the anti-pilling antibacterial wool yarn comprises a core layer, an antibacterial nanofiber layer and a coating layer. Wherein the core layer is 12 wool yarns 1(W, official moisture regain of 15%, fineness of 20 μm, length of 50mm), and the product specification is 26 s/2; the antibacterial nanofiber layer is silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers; the coating layer is 1 Modal yarn 7(MD, official moisture regain of 12%) with a fineness of 32 s.
The preparation method of the anti-pilling antibacterial wool yarn comprises the following steps:
(1) drying the wool yarn 1 and the modal yarn 7 at normal temperature respectively;
(2) adding polyacrylonitrile into N, N-dimethylformamide, stirring uniformly, adding silver nitrate and titanium dioxide to prepare a mixed solution, and then stirring for 12 hours on a magnetic stirrer at room temperature to prepare a uniformly dispersed spinning solution, wherein the mass fraction of the titanium dioxide is 0.5%;
(3) knitting the wool yarn 1 by a coil to form a rhombic net structure; then, preparing the spinning solution into silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers in an electrostatic spinning mode, and uniformly coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surface of the wool yarn 1 to form an antibacterial nanofiber layer; wherein the speed of an injection pump of electrostatic spinning is 1.0mL/h, the voltage is 18kV, the receiving distance is 20cm, and the thickness of the formed antibacterial nanofiber layer is 810 nm; after passing through the collector, the modal yarn 7 is spirally wound on the surface of the antibacterial nanofiber layer at a coating angle of 40 degrees, and finally collected by a collecting motor to obtain the anti-pilling antibacterial wool yarn.
The anti-pilling antibacterial wool yarn prepared in the embodiment has the twist of 500 twists/m and the fineness of 50.3tex, and the cross section of the core layer accounts for 81 percent of the cross section of the anti-pilling antibacterial wool yarn.
Example 3
This example provides an anti-pilling antibacterial wool yarn, the cross section of which is shown in fig. 4, and the anti-pilling antibacterial wool yarn comprises a core layer, an antibacterial nanofiber layer and a coating layer. Wherein the core layer is 12 wool yarns 1(W, official moisture regain of 15%, fineness of 20 μm, length of 50mm), and the product specification is 26 s/2; the antibacterial nanofiber layer is silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers; the coating layer is 1 Modal yarn 7(MD, official moisture regain of 12%) with a fineness of 32 s.
The preparation method of the anti-pilling antibacterial wool yarn comprises the following steps:
(1) drying the wool yarn 1 and the modal yarn 7 at normal temperature respectively;
(2) adding polyacrylonitrile into N, N-dimethylformamide, stirring uniformly, adding silver nitrate and titanium dioxide to prepare a mixed solution, and then stirring for 12 hours on a magnetic stirrer at room temperature to prepare a uniformly dispersed spinning solution, wherein the mass fraction of the titanium dioxide is 1%;
(3) knitting the wool yarn 1 by a coil to form a rhombic net structure; then, preparing the spinning solution into silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers in an electrostatic spinning mode, and uniformly coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surface of the wool yarn 1 to form an antibacterial nanofiber layer; wherein the speed of an injection pump of electrostatic spinning is 1.0mL/h, the voltage is 18kV, the receiving distance is 20cm, and the thickness of the formed antibacterial nanofiber layer is 815 nm; after passing through the collector, the modal yarn 7 is spirally wound on the surface of the antibacterial nanofiber layer at a coating angle of 40 degrees, and finally collected by a collecting motor to obtain the anti-pilling antibacterial wool yarn.
The anti-pilling antibacterial wool yarn prepared in the embodiment has the twist of 510 twists/m and the fineness of 51.1tex, and the cross section of the core layer accounts for 81 percent of the cross section of the anti-pilling antibacterial wool yarn.
Comparative example 1
The comparative example 1 was prepared substantially the same as example 1 except that there was no antibacterial nanofiber layer.
Comparative example 2
The super-soft anti-pilling silver-loaded wool fabric prepared in example 1 of Chinese invention patent CN 105239377A.
Comparative example 3
Anti-pilling antibacterial wool fabric is commercially available.
Performance testing
After the yarns of examples 1 to 3 and comparative example 1 were woven into wool fabrics, the wool fabrics were tested for antibacterial property and pilling property with those of comparative examples 2 to 3, and the yarns of the above examples and comparative examples were tested for mechanical properties, and the specific results are shown in table 1.
The above performance test criteria were as follows:
the bacteriostasis rate is as follows: GB/T20944.2-2007 to the inventor,
fuzzing and pilling grade: GB/T4802.1-2008,
breaking strength, elongation at break: GB/T3916-.
Table 1 results of performance test of wool yarns of examples and comparative examples
| Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Bacteriostatic ratio (%) | 97 | 98 | 99 | 0 | 95 | 90 |
| Pilling grade (grade) | 4 | 4 | 4 | 4 | 3 | 3 |
| Breaking strength (cN) | 148.91 | 150.56 | 151.88 | 145.12 | 100.54 | 110.85 |
| Elongation at Break (%) | 23.62 | 24.79 | 25.54 | 20.24 | 7.11 | 9.31 |
In conclusion, the wool yarn provided by the invention adopts the wool yarn as the core layer, the silver-loaded polyacrylonitrile/titanium dioxide nano composite fiber as the antibacterial nanofiber layer and the Modal yarn as the coating layer, so that the prepared anti-pilling antibacterial wool yarn has excellent anti-pilling and antibacterial properties, and is good in mechanical property, and meanwhile, the preparation method of the anti-pilling antibacterial wool yarn is simple, full-automatic production can be realized, and the production efficiency is high.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The anti-pilling antibacterial wool yarn is characterized by comprising a core layer, an antibacterial nanofiber layer and a coating layer, wherein the core layer is wool yarn, and the wool yarn is coiled to form a rhombic net structure; the antibacterial nanofiber layer is obtained by preparing silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers by an electrostatic spinning method and coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surface of the core layer; the coating layer is obtained by spirally winding Modal yarns on the surface of the antibacterial nanofiber layer at a coating angle of 30-40 degrees.
2. The anti-pilling antibacterial wool yarn as claimed in claim 1, wherein the wool yarn is sheep wool, the fineness of the sheep wool yarn is 10-40 μm, and the length of the sheep wool yarn is 20-70 mm.
3. The anti-pilling antibacterial wool yarn as claimed in claim 1, wherein the number of the wool yarns in the coil knitting is 6-12.
4. The anti-pilling and anti-bacterial wool yarn as claimed in claim 1, wherein the thickness of the anti-bacterial nanofiber layer is 350-650 nm.
5. The anti-pilling antibacterial wool yarn as claimed in claim 1, wherein the cross section of the core layer of the anti-pilling antibacterial wool yarn is 70-90%.
6. The anti-pilling antibacterial wool yarn as claimed in claim 1, wherein the twist of the anti-pilling antibacterial wool yarn is 150-1000 twists/m.
7. The method for preparing a pilling resistant antibacterial wool yarn as claimed in any one of claims 1 to 6, comprising the following steps:
s1, preparing polyacrylonitrile, silver salt and titanium dioxide into uniform spinning solution;
s2, coiling and weaving the dried wool yarns to form a rhombic net structure, preparing the spinning solution prepared in the step S1 into silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers in an electrostatic spinning mode, and coating the silver-loaded polyacrylonitrile/titanium dioxide nano composite fibers on the surfaces of the wool yarns to form an antibacterial nano fiber layer;
s3, spirally winding the dried Modal yarn on the surface of the antibacterial nanofiber layer at a coating angle of 30-40 degrees to obtain the anti-pilling antibacterial wool yarn.
8. The method for preparing anti-pilling antibacterial wool yarn according to claim 7, wherein in the step S1, the silver salt is silver nitrate, silver fluoride or silver chlorate, and the mass fraction of titanium dioxide in the spinning solution is 0.5-3%.
9. The method of claim 7, wherein in step S2, the speed of the injection pump for electrostatic spinning is 1.0-2.0mL/h, the voltage is 15-20kV, and the receiving distance is 15-30 cm.
10. The method as claimed in claim 7, wherein the wool yarn is collected by a motor at a collection speed of 200-800r/min in step S3.
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Cited By (4)
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| CN114541004A (en) * | 2022-01-26 | 2022-05-27 | 吴江嘉伦织造有限公司 | Antibacterial anti-static yarn and preparation method and application thereof |
| CN114717704A (en) * | 2022-04-19 | 2022-07-08 | 苏州大学 | Antibacterial and antistatic polyurethane composite yarn, preparation method thereof and integrated device |
| CN114737288A (en) * | 2022-03-29 | 2022-07-12 | 吴江市新三养纺织有限公司 | Antibacterial and antistatic composite yarn and preparation method and application thereof |
| CN115386992A (en) * | 2022-08-23 | 2022-11-25 | 武汉纺织大学 | Ring spinning method for flexible micro-nano fiber net strip reinforced rigid fiber coated composite yarn |
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| CN114737288A (en) * | 2022-03-29 | 2022-07-12 | 吴江市新三养纺织有限公司 | Antibacterial and antistatic composite yarn and preparation method and application thereof |
| CN114737288B (en) * | 2022-03-29 | 2023-08-15 | 吴江市新三养纺织有限公司 | Antibacterial and antistatic composite yarn and preparation method and application thereof |
| CN114717704A (en) * | 2022-04-19 | 2022-07-08 | 苏州大学 | Antibacterial and antistatic polyurethane composite yarn, preparation method thereof and integrated device |
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