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CN114182530A - Antibacterial and deodorant cotton fiber and preparation method thereof, antibacterial and deodorant cotton yarn and preparation method and application thereof - Google Patents

Antibacterial and deodorant cotton fiber and preparation method thereof, antibacterial and deodorant cotton yarn and preparation method and application thereof Download PDF

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Publication number
CN114182530A
CN114182530A CN202110400819.7A CN202110400819A CN114182530A CN 114182530 A CN114182530 A CN 114182530A CN 202110400819 A CN202110400819 A CN 202110400819A CN 114182530 A CN114182530 A CN 114182530A
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China
Prior art keywords
antibacterial
cotton
cotton fiber
deodorant
tea polyphenol
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Inventor
赵健
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Qingdao Nihimi Biotechnology Co ltd
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Qingdao Nihimi Biotechnology Co ltd
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Priority to CN202110400819.7A priority Critical patent/CN114182530A/en
Publication of CN114182530A publication Critical patent/CN114182530A/en
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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
    • D06M15/13—Alginic acid or derivatives thereof
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
    • 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. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
    • D06M10/025—Corona discharge or low temperature plasma
    • 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
    • D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
    • D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
    • D06M11/155—Halides of elements of Groups 2 or 12 of the Periodic Table
    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • 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
    • D06M11/51—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 sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/55—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 sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
    • D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic Table
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/152—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen having a hydroxy group bound to a carbon atom of a six-membered aromatic ring
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    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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    • 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
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    • 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
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

The invention belongs to the technical field of functional cotton yarns, and particularly relates to an antibacterial deodorizing cotton fiber and a preparation method thereof, and an antibacterial deodorizing cotton yarn and a preparation method and application thereof. The antibacterial deodorizing cotton fiber provided by the invention comprises a cotton fiber containing holes, algal polysaccharide and tea polyphenol which are combined with hydrophilic groups on the surface of the cotton fiber containing holes, and zinc ions which are complexed with the algal polysaccharide and/or the tea polyphenol. The antibacterial deodorizing cotton fiber provided by the invention takes the cotton fiber as a matrix and takes the plant algal polysaccharide, the tea polyphenol and the zinc ions as functional components, so that the excellent performance of the cotton fiber is maintained, and the antibacterial deodorizing function is endowed to the cotton fiber.

Description

Antibacterial and deodorant cotton fiber and preparation method thereof, antibacterial and deodorant cotton yarn and preparation method and application thereof
Technical Field
The invention belongs to the technical field of functional cotton yarns, and particularly relates to an antibacterial deodorizing cotton fiber and a preparation method thereof, and an antibacterial deodorizing cotton yarn and a preparation method and application thereof.
Background
As is well known, cotton fibers are soft and warm, have excellent moisture absorption and air permeability, and have no side effect when contacting with skin, so that the cotton fibers play an important role in textile fibers. However, with social development and people's living standard, especially with the increasing attention of people to their health and safety, people have increasingly high demands for functional diversity textiles. The cotton yarn is made of cotton fiber through a spinning process, and inherits the good comfort and skin compatibility of the cotton fiber. However, under proper temperature and humidity, cotton yarns are easy to grow bacteria and fungi, become good parasites for the survival and propagation of microorganisms, and the grown bacteria and fungi can cause skin diseases of people. Besides being harmful to human bodies, the cotton yarn can pollute cotton fibers and damage the cotton fibers, so that the quality of the cotton yarn is influenced, and the service life and the quality of the yarn are influenced.
In the prior art, the antibacterial action of cotton yarn is mostly blended with non-cotton antibacterial fiber, for example, chinese patent CN201811415203.1 discloses a production process of antibacterial blended cotton yarn, the antibacterial fiber adopted in the patent technology is viscose fiber with antibacterial function; chinese patent CN201810937584.3 discloses a degerming hydrophobic cotton yarn and a preparation method thereof, the technology adopts the steps that cotton fiber, viscose fiber and polyester fiber are blended and then are subjected to after-treatment to form the degerming hydrophobic cotton yarn; chinese patent CN201710243214.5 discloses a double-component high-efficiency antibacterial deodorizing yarn, and a preparation method and application thereof, and the technology of the patent adopts the blended spinning of Z-twisted copper-modified polyacrylonitrile fiber, cotton fiber, polyester fiber, viscose fiber or modal fiber.
The existing antibacterial cotton yarn is added with the antibacterial component of the non-cotton fiber, so that the comfort and the skin affinity of the antibacterial cotton fiber are reduced.
Disclosure of Invention
In view of the above, the invention provides an antibacterial and deodorant cotton fiber, and an antibacterial and deodorant cotton yarn prepared from the antibacterial and deodorant cotton fiber provided by the invention has antibacterial and deodorant performances and simultaneously keeps the comfort of the cotton fiber.
In order to solve the technical problems, the invention provides an antibacterial deodorizing cotton fiber, which comprises a cotton fiber containing holes, algal polysaccharide and tea polyphenol combined with hydrophilic groups on the surface of the cotton fiber containing holes, and zinc ions complexed with the algal polysaccharide and/or the tea polyphenol.
Preferably, the mass ratio of the cotton fibers containing holes to the algal polysaccharides to the tea polyphenols to the zinc ions is 100: 8-12: 4-8: 5-10.
The invention also provides a preparation method of the antibacterial and deodorant cotton fiber, which comprises the following steps:
etching the cotton fibers to obtain cotton fibers with holes;
soaking the cotton fiber containing the holes in a mixed aqueous solution of algal polysaccharide and tea polyphenol for adsorption to obtain primary antibacterial deodorizing cotton fiber;
and (3) soaking the primary antibacterial deodorizing cotton fiber in a zinc ion antibacterial agent solution for complexing to obtain the antibacterial deodorizing cotton fiber.
Preferably, the etching comprises air plasma etching, the output power of the air plasma etching is 100-300W, and the time is 1-3 min.
Preferably, the pH value of the mixed aqueous solution of the algal polysaccharide and the tea polyphenol is 5.5-7;
the mass concentration of the algal polysaccharide in the mixed aqueous solution of the algal polysaccharide and the tea polyphenol is 20-30 g/L, and the mass concentration of the tea polyphenol is 10-20 g/L;
the mass ratio of the cotton fibers to the mixed aqueous solution of algal polysaccharide and tea polyphenol is 1: 25-40.
The temperature for soaking in the mixed water solution of algal polysaccharide and tea polyphenol is 75-95 ℃, and the time is 20-30 min.
Preferably, the mass concentration of the zinc ion antibacterial agent solution is 15-25 g/L; the mass ratio of the cotton fibers to the zinc ion antibacterial agent solution is 1: 30-50;
the complexing time is 20-30 min.
Preferably, the cotton fiber further comprises a pretreatment before etching, and the pretreatment comprises the following steps:
scouring and bleaching the cotton fiber raw material to obtain bleached cotton fiber;
soaking the bleached cotton fiber in a sodium hydroxide solution to obtain swollen cotton fiber;
and (3) acid-washing the swelling cotton fibers until the pH value of the cotton fibers is 5-8.
The invention also provides an antibacterial and deodorant cotton yarn, which comprises antibacterial and deodorant cotton fibers and cotton fibers, wherein the antibacterial and deodorant cotton fibers are prepared by the antibacterial and deodorant cotton fibers in the technical scheme or the preparation method in the technical method;
the mass percentage of the antibacterial and deodorant cotton fibers in the antibacterial and deodorant cotton yarn is 50-60%.
The invention also provides a preparation method of the antibacterial and deodorant cotton yarn in the technical scheme, which comprises the following steps:
mixing cotton fibers and the antibacterial deodorizing cotton fibers, and then sequentially performing an opening picking process, a cotton carding process, a drawing process, a roving process and a spinning process to obtain the antibacterial deodorizing cotton yarn.
The invention also provides the application of the antibacterial and deodorant cotton yarn in the technical scheme or the application of the antibacterial and deodorant cotton yarn prepared by the preparation method in the technical scheme in the preparation of textiles.
The invention provides an antibacterial deodorizing cotton fiber, which comprises a cotton fiber containing holes, algal polysaccharide and tea polyphenol combined with hydrophilic groups on the surface of the cotton fiber containing holes, and zinc ions complexed with the algal polysaccharide and/or the tea polyphenol. The antibacterial deodorizing cotton fiber provided by the invention takes the cotton fiber as a matrix, and takes the plant algal polysaccharide, the tea polyphenol and the zinc ions as functional components, so that the excellent performance of the cotton fiber is maintained, and the antibacterial deodorizing function is endowed to the cotton fiber.
The invention also provides a preparation method of the antibacterial and deodorant cotton fiber, which comprises the following steps: etching the cotton fibers to obtain cotton fibers with holes; soaking the cotton fiber containing the holes in a mixed aqueous solution of algal polysaccharide and tea polyphenol for adsorption to obtain primary antibacterial deodorizing cotton fiber; and (3) soaking the primary antibacterial deodorizing cotton fiber in a zinc ion antibacterial agent solution for complexing to obtain the antibacterial deodorizing cotton fiber. In the invention, the specific surface area of the cotton fiber is improved by the etching, so that the adsorption of the antibacterial deodorizing auxiliary agent is facilitated; the algal polysaccharide and the tea polyphenol are combined with hydrophilic groups on the surface of the cotton fiber, and the zinc ion antibacterial agent is complexed with the algal polysaccharide and/or the tea polyphenol, so that the stability of the antibacterial deodorizing auxiliary agent in the cotton fiber is improved, and the durability of the antibacterial and deodorizing functions of the antibacterial deodorizing cotton fiber is improved.
Detailed Description
The invention provides an antibacterial deodorizing cotton fiber, which comprises a cotton fiber containing holes, algal polysaccharide and tea polyphenol combined with hydrophilic groups on the surface of the cotton fiber containing holes, and zinc ions complexed with the algal polysaccharide and/or the tea polyphenol.
In the present invention, the antibacterial deodorizing cotton fiber comprises a cotton fiber containing pores. In the invention, the cotton fiber containing the holes has larger specific surface area, thereby being beneficial to adsorbing algal polysaccharide and tea polyphenol and leading the cotton fiber to have the functions of antibiosis and deodorization.
In the invention, the antibacterial deodorizing cotton fiber comprises algal polysaccharide and tea polyphenol which are combined with hydrophilic groups on the surface of the cotton fiber containing holes; the hydrophilic group preferably includes a hydroxyl group. In the invention, the hydroxyl in the algal polysaccharide and the phenolic hydroxyl in the tea polyphenol are subjected to dehydration condensation or hydrogen bond formation with the hydroxyl on the surface of the cotton fiber containing holes, so that the stability of the algal polysaccharide and the tea polyphenol in the cotton fiber is improved. In the invention, the mass ratio of the cotton fiber containing holes, the algal polysaccharide and the tea polyphenol is preferably 100: 8-12: 4-8, and more preferably 100: 10-11: 5-7.
In the invention, the antibacterial deodorizing cotton fiber also comprises zinc ions which are complexed with algal polysaccharides and/or tea polyphenols. In the present invention, the zinc ions are provided by a zinc ion antibacterial agent, preferably comprising zinc chloride, zinc sulfate or zinc acetate, more preferably zinc chloride or zinc acetate. In the invention, the zinc ions are complexed with hydroxyl in algal polysaccharide and phenolic hydroxyl in tea polyphenol, so that the stability of the zinc ions in cotton fibers is improved. In the invention, the mass ratio of the cotton fiber containing holes to the zinc ion antibacterial agent is preferably 100: 5-10, and more preferably 10: 6-8. In the invention, the zinc element in the zinc ion antibacterial agent has an antiallergic effect, and the antibacterial deodorizing cotton yarn prepared from the antibacterial deodorizing cotton fiber provided by the invention has a good health-care function.
The invention also provides a preparation method of the antibacterial and deodorant cotton fiber, which comprises the following steps:
etching the cotton fibers to obtain cotton fibers with holes;
soaking the cotton fiber containing the holes in a mixed aqueous solution of algal polysaccharide and tea polyphenol for adsorption to obtain primary antibacterial deodorizing cotton fiber;
and (3) soaking the primary antibacterial deodorizing cotton fiber in a zinc ion antibacterial agent solution for complexing to obtain the antibacterial deodorizing cotton fiber.
The invention etches the cotton fiber to obtain the cotton fiber with holes. In the present invention, the cotton fiber before etching preferably further comprises a pretreatment, the pretreatment preferably comprising the steps of:
scouring and bleaching the cotton fiber raw material to obtain bleached cotton fiber;
soaking the bleached cotton fiber in a sodium hydroxide solution to obtain swollen cotton fiber;
and (3) acid-washing the swelling cotton fibers until the pH value of the cotton fibers is 5-8.
The invention carries out scouring and bleaching treatment on the cotton fiber raw material to obtain the bleached cotton fiber. The invention also preferably comprises the following components before scouring and bleaching treatment: and carding the cotton fibers. The cotton carding method is not particularly limited, and the conventional mode in the field is adopted. In the invention, the scouring and bleaching treatment is preferably to soak cotton fibers in a mixed solution containing sodium hydroxide, hydrogen peroxide and sodium silicate; the mass concentration of the sodium hydroxide in the mixed solution is preferably 3.0-8.0 g/L, and more preferably 5-6 g/L; the mass concentration of the hydrogen peroxide in the mixed solution is preferably 10.0-20.0 g/L, and more preferably 15-18 g/L; the mass concentration of the sodium silicate in the mixed solution is preferably 2.0-5.0 g/L, and more preferably 3.5-4 g/L. In the invention, the temperature of the mixed solution is preferably 80-92 ℃, and more preferably 85-90 ℃. In the present invention, the bath ratio (the ratio of the mass (g) of the cotton fiber to the volume (mL) of the mixed solution containing sodium hydroxide, hydrogen peroxide, and sodium silicate) of the soaking is preferably 1:20 to 30, more preferably 1:25 to 28; the time is preferably 50 to 90min, and more preferably 70 to 80 min.
In the invention, the scouring and bleaching treatment can remove grease in the cotton fiber and bleach the cotton fiber at the same time.
After obtaining the bleached cotton fiber, the invention soaks the bleached cotton fiber in sodium hydroxide solution to obtain the swelling cotton fiber. In the present invention, the soaking step preferably further comprises: washing and drying the bleached cotton fibers in sequence; the washing in the present invention is not particularly limited as long as the mixed solution for scouring and bleaching treatment remaining in the bleached cotton fiber can be removed. In the invention, the drying temperature is preferably 105-120 ℃, and more preferably 110-115 ℃; the time is preferably 20 to 35min, and more preferably 25 to 30 min. In the invention, the mass concentration of the sodium hydroxide solution is preferably 240-280 g/L, and more preferably 260-270 g/L. In the invention, the bath ratio of soaking (the ratio of the mass (g) of the bleached cotton fiber to the volume (mL) of the sodium hydroxide solution) is preferably 1: 10-20, and more preferably 1: 15-18; the temperature is preferably 15-25 ℃, and more preferably 18-23 ℃; the time is preferably 30 to 70 seconds, and more preferably 50 to 60 seconds.
In the invention, the soaking can fully swell the bleached cotton fiber, reduce the distortion of the cotton fiber and improve the interface state of the cotton fiber.
After the swelling cotton fiber is obtained, the swelling cotton fiber is subjected to acid pickling until the pH value of the cotton fiber is 5-8, preferably 6-7. In the present invention, before the pickling, it is preferable to further include: and sequentially squeezing and washing the swelling cotton fiber. In the invention, the moisture content of the pressed cotton fiber is preferably 105-120%, and more preferably 110-115%; the present invention is not particularly limited as long as the water content can be achieved. In the invention, the pH value of the cotton fiber after washing is preferably 8.5-10.5; the present invention is not particularly limited as long as the pH of the cotton fiber after washing can be adjusted to the above pH. The method can remove the residual sodium hydroxide solution in the swelling cotton fiber through squeezing and water washing, and is beneficial to reducing the using amount of the solution for acid washing.
In the invention, the solution for acid washing preferably comprises a hydrochloric acid solution or a sulfuric acid solution, and the mass concentration of the solution for acid washing is preferably 20-50 g/L, and more preferably 30-40 g/L; the temperature is preferably 20 to 30 ℃, and more preferably 25 to 28 ℃. The amount of the acid-washing solution used in the present invention is not particularly limited, as long as the pH of the cotton fiber can be within the above-mentioned range.
In the invention, the etching preferably comprises air plasma etching, and the output power of the air plasma etching is preferably 100-300W, and more preferably 200-250W; the time is preferably 1-3 min, and more preferably 2 min.
After the cotton fiber containing the holes is obtained, the cotton fiber containing the holes is soaked in a mixed aqueous solution of algal polysaccharide and tea polyphenol for adsorption, and the primary antibacterial deodorizing cotton fiber is obtained. In the invention, the mass concentration of the algal polysaccharide in the mixed aqueous solution of algal polysaccharide and tea polyphenol is preferably 20-30 g/L, and more preferably 23-28 g/L; the mass concentration of the tea polyphenol is preferably 10-20 g/L, and more preferably 13-18 g/L; the pH value of the mixed water solution of the algal polysaccharide and the tea polyphenol is preferably 5.5-7, and more preferably 6-6.8. In the invention, the pH regulator for regulating the pH value of the mixed aqueous solution of the algal polysaccharide and the tea polyphenol is preferably sulfuric acid or hydrochloric acid, and more preferably hydrochloric acid; the amount of the pH regulator used in the present invention is not particularly limited, as long as the pH of the aqueous solution of algal polysaccharides and tea polyphenols is within the above range. In the invention, the bath ratio of soaking (the ratio of the mass (g) of the cotton fiber to the volume (mL) of the mixed aqueous solution of algal polysaccharide and tea polyphenol) is preferably 1: 25-40, more preferably 1: 30-35; the temperature is preferably 75-95 ℃, and more preferably 80-85 ℃; the time is preferably 20 to 30min, and more preferably 23 to 28 min.
In the present invention, the soaking is preferably performed under ultrasonic conditions, and the frequency of the ultrasonic is preferably 6.0 × 103～2.0×105MHz, more preferably 3.5X 104～1.0×105And (4) MHz. In the present invention, the soaking process further preferably includes: turning over the cotton fiber containing holes.
According to the invention, the algal polysaccharide and the tea polyphenol are adsorbed on the surface of the cotton fiber containing holes, and hydroxyl groups in the algal polysaccharide and phenolic hydroxyl groups in the tea polyphenol can be condensed with the hydroxyl groups on the surface of the cotton fiber containing holes or form hydrogen bonds, so that the stability of the algal polysaccharide and the tea polyphenol in the cotton fiber is improved.
After the primary antibacterial deodorizing cotton fiber is obtained, the primary antibacterial deodorizing cotton fiber is soaked in a zinc ion antibacterial agent solution for complexing to obtain the antibacterial deodorizing cotton fiber. In the invention, the mass concentration of the zinc ion antibacterial agent is preferably 15-25 g/L, and more preferably 18-23 g/L. In the present invention, the bath ratio (the ratio of the mass (g) of the cotton fiber to the volume (mL) of the zinc ion antimicrobial solution) is preferably 1:30 to 50, and more preferably 1:38 to 45. In the invention, the complexing time is preferably 20-30 min, and more preferably 23-28 min. In the invention, the zinc ion antibacterial agent is complexed with algal polysaccharide and/or tea polyphenol, so that the stability of the zinc ion antibacterial agent in cotton fibers is improved.
In the present invention, the soaking is preferably performed under ultrasonic conditions, and the frequency of the ultrasonic is preferably 6.0 × 103～2.0×105MHz, more preferably 3.5X 104～1.0×105And (4) MHz. In the present invention, the soaking process further preferably includes: turning over the primary antibacterial deodorizing cotton fiber.
In the present invention, the complexing further preferably comprises: and (3) sequentially squeezing, oiling, drying and opening the complexed product to obtain the antibacterial deodorizing cotton fiber.
In the invention, the moisture content of the pressed cotton fiber is preferably 100-120%, and more preferably 105-115%. The present invention is not particularly limited as long as the water content can be achieved.
In the invention, the drying is preferably microwave drying, and the frequency of the microwave for microwave drying is preferably 1260-1880 MHz, and more preferably 1600-1700 MHz; the microwave drying time is preferably 20-36 min, and more preferably 25-30 min; the moisture content of the cotton fiber after microwave drying is preferably 9% -12%, and more preferably 10% -11%.
In the present invention, the oil bath for upper oil preferably includes an emulsion and a solvent. In the present invention, the emulsion is preferably available from HONOL MGR of Japan bamboo fat and oil (Suzhou) Co., Ltd., and the solvent is preferably water. In the invention, the concentration of HONOL MGR in the oiling bath liquid is preferably 3.0-6.0 g/L, and more preferably 4-5 g/L; the temperature is preferably 55-70 ℃, and more preferably 60-65 ℃.
The opening mode is not particularly limited in the invention, and the opening mode can be realized by adopting a conventional mode in the field.
The invention also provides an antibacterial and deodorant cotton yarn, which comprises antibacterial and deodorant cotton fibers and cotton fibers, wherein the antibacterial and deodorant cotton fibers are prepared by the antibacterial and deodorant cotton fibers or the preparation method in the technical scheme;
the mass percentage of the antibacterial and deodorant cotton fibers in the antibacterial and deodorant cotton yarn is 50-60%, and preferably 53-58%.
The invention also provides a preparation method of the antibacterial and deodorant cotton yarn in the technical scheme, which comprises the following steps:
mixing cotton fibers and the antibacterial deodorizing cotton fibers, and then sequentially performing an opening picking process, a cotton carding process, a drawing process, a roving process and a spinning process to obtain the antibacterial deodorizing cotton yarn.
In the invention, the opening and picking process preferably comprises cotton mixing and cotton spreading, the cotton mixing is preferably carried out by grabbing cotton fibers and antibacterial and deodorant cotton fibers into a cotton grabbing groove by using a cotton grabbing machine, and the operation efficiency of the cotton grabbing machine is preferably 90-95%, and more preferably 92-94%. In the invention, the beater speed of cotton paving is preferably 650-880 r/min, and more preferably 700-800 r/min.
In the invention, the licker-in speed in the cotton carding process is preferably 650-780 r/min, more preferably 700-750 r/min; the cylinder speed is preferably 310 to 350r/min, and more preferably 320 to 340 r/min; the cover plate speed is preferably 60-80 mm/min, and more preferably 70-75 mm/min; the doffer speed is preferably 50-60 m/min, and more preferably 55-58 m/min; the strip discharging speed is preferably 60-70 m/min, and more preferably 63-67 m/min; the weight of the raw strips is preferably 14-18 g/5m, and more preferably 15-16 g/5 m.
In the invention, the drawing process preferably comprises two drawing processes, the number of the combined roots in the first drawing process is preferably 8, the speed is preferably 170-260 m/min, and more preferably 230-250 m/min; the dry basis weight is preferably 14-18 g/5m, and more preferably 15-16 g/5 m; the total drafting multiple is preferably 8.0-8.75 times, and more preferably 8.3-8.6 times; the draft ratio in the rear zone is preferably 1.50 to 1.68 times, and more preferably 1.55 to 1.6 times. The number of combined roots in the second drawing process is preferably 7, the speed is preferably 160-230 m/min, and more preferably 180-200 m/min; the dry basis weight is preferably 11.5-13.5 g/5m, more preferably 12-12.5 g/5 m; the total drafting multiple is preferably 7.65-8 times, and more preferably 7.7-7.83 times; the draft ratio in the rear zone is preferably 1.25 to 1.38 times, and more preferably 1.27 to 1.3 times.
In the invention, the dry basis weight in the roving process is preferably 2.8-4.9 g/5m, and more preferably 3-3.5 g/5 m; the roller spacing is preferably 10mm 26mm 36 mm; the total drafting multiple is preferably 8.7-9.0 times, and more preferably 8.8-8.9 times; the back zone drafting is preferably 1.20-1.30 times, and more preferably 1.23-1.27 times; the twist factor is preferably 70-80, and more preferably 73-78; the yarn-length CV is preferably 4.3 to 4.9%, more preferably 4.5 to 4.7%.
In the present invention, the distance between the rollers in the spinning step is preferably 17mm × 38mm, and more preferably; the total drafting multiple is preferably 25 to 35 times, and more preferably 30 to 33 times; the back zone draft multiple is preferably 1.13-1.20 times, and more preferably 1.15-1.18 times; the twist is preferably 80-100 twists/10 cm, more preferably 90-95 twists/10 cm; the twist factor is preferably 360 to 398, and more preferably 370 to 380.
The invention also provides the application of the antibacterial and deodorant cotton yarn in the technical scheme or the antibacterial and deodorant cotton yarn prepared by the preparation method in the technical scheme in the preparation of textiles
In order to further illustrate the present invention, the following embodiments are described in detail, but they should not be construed as limiting the scope of the present invention.
The embodiment of the invention has no limitation on the grade of the dosage of each raw material, and the raw materials can be prepared by adopting any weight grade as long as the raw materials are mixed according to a specific ratio.
Preparation of antibacterial deodorizing cotton fiber
Example 1
Soaking cotton fibers subjected to cotton carding in a mixed solution of sodium hydroxide, hydrogen peroxide and sodium silicate according to a bath ratio of 1:20, wherein the temperature is 80 ℃, the mass concentration of the sodium hydroxide is 3.0g/L, the mass concentration of the hydrogen peroxide is 10g/L, and the mass concentration of the sodium silicate is 2.0g/L for 90min to obtain bleached cotton fibers;
washing the bleached cotton fiber with water, and drying at 105 ℃ for 35 min; soaking the dried cotton fiber in a sodium hydroxide solution with the temperature of 25 ℃ and the mass concentration of 240g/L for 70s according to the bath ratio of 1:20 to obtain swollen cotton fiber;
squeezing the swollen cotton fibers until the water content is 105%, washing with water until the pH value is 10.5, and then carrying out acid washing on the washed cotton fibers by using a sulfuric acid solution with the mass concentration of 20g/L and the temperature of 30 ℃ to obtain the cotton fibers with the pH value of 8;
performing air plasma etching (with output power of 100W) on the cotton fiber with the pH value of 8 for 3min to obtain cotton fiber containing holes;
soaking the cotton fiber containing holes in mixed water solution of algal polysaccharide and tea polyphenol at the temperature of 75 deg.C and the concentration of algal polysaccharide of 20g/L, tea polyphenol of 10g/L and pH of 5.5 (pH adjusted by hydrochloric acid) for 30min at bath ratio of 1:25, and soaking at the frequency of 6.0 × 103Of MHzThe process is carried out under the ultrasonic condition, and the cotton fiber containing holes is continuously turned over in the soaking process to obtain primary antibacterial deodorizing cotton fiber;
soaking the primary antibacterial deodorizing cotton fiber in 15g/L zinc chloride solution at a bath ratio of 1:30 for 30min at a frequency of 6.0 × 103Performing ultrasonic treatment under MHz, and continuously turning over the primary antibacterial deodorizing cotton fiber during soaking; squeezing the soaked product until the water content of the cotton fiber is 120%, sequentially oiling (the mass concentration of HONOL MGR in oiling oil bath solution is 3.0g/L, the temperature is 70 ℃), microwave drying (the frequency is 1260MHz, the water content is 12%) and opening to obtain the antibacterial deodorizing cotton fiber.
Example 2
Soaking cotton fibers subjected to cotton carding in a mixed solution of sodium hydroxide, hydrogen peroxide and sodium silicate according to a bath ratio of 1:25, wherein the temperature is 87 ℃, the mass concentration of the sodium hydroxide is 5.0g/L, the mass concentration of the hydrogen peroxide is 16g/L, and the mass concentration of the sodium silicate is 3.5g/L for 75min to obtain bleached cotton fibers;
washing the bleached cotton fiber with water, and drying at 113 ℃ for 28 min; soaking the dried cotton fiber in a sodium hydroxide solution with the temperature of 20 ℃ and the mass concentration of 265g/L for 55s according to the bath ratio of 1:15 to obtain swollen cotton fiber;
squeezing the swollen cotton fibers until the water content is 115%, washing with water until the pH is 9.6, and then carrying out acid washing on the washed cotton fibers by using a hydrochloric acid solution with the mass concentration of 36g/L and the temperature of 25 ℃ to obtain the cotton fibers with the pH value of 6.8;
performing air plasma etching (with the output power of 210W) on the cotton fiber with the pH value of 6.8 for 2min to obtain cotton fiber containing holes;
soaking the cotton fiber containing holes in a mixed water solution of algal polysaccharide and tea polyphenol at a mass concentration of 25g/L, tea polyphenol at a mass concentration of 15g/L and a pH value of 6.8 (pH value is adjusted by hydrochloric acid) at 85 deg.C for 26min at a bath ratio of 1:32, and soaking at a frequency of 3.5 × 104Under the ultrasonic condition of MHz, continuously turning over the cotton fiber containing holes in the soaking process to obtain the primary antibacterial deodorizing cotton fiber；
Soaking the primary antibacterial deodorizing cotton fiber in 20g/L zinc sulfate solution at a bath ratio of 1:40 for 25min at a frequency of 3.5 × 104The primary antibacterial deodorizing cotton fiber is continuously turned over in the soaking process; squeezing the soaked product until the water content of the cotton fiber is 112%, sequentially oiling (the mass concentration of HONOL MGR in oiling oil bath solution is 5.0g/L, the temperature is 62 ℃), microwave drying (the frequency is 1600MHz, the time is 26min, the water content is 10.5%) and opening to obtain the antibacterial deodorizing cotton fiber.
Example 3
Soaking cotton fibers subjected to cotton carding in a mixed solution of sodium hydroxide, hydrogen peroxide and sodium silicate according to a bath ratio of 1:30, wherein the temperature is 92 ℃, the mass concentration of the sodium hydroxide is 8.0g/L, the mass concentration of the hydrogen peroxide is 20g/L, and the mass concentration of the sodium silicate is 5.0g/L for 50min to obtain bleached cotton fibers;
washing the bleached cotton fiber with water, and drying at 120 ℃ for 20 min; soaking the dried cotton fiber in a sodium hydroxide solution with the temperature of 15 ℃ and the mass concentration of 280g/L for 30s according to the bath ratio of 1:10 to obtain swollen cotton fiber;
squeezing the swollen cotton fibers until the water content is 105%, washing with water until the pH value is 8.5, and then carrying out acid washing on the washed cotton fibers by using a hydrochloric acid solution with the mass concentration of 50g/L and the temperature of 20 ℃ to obtain the cotton fibers with the pH value of 5;
performing air plasma etching (with the output power of 300W) on the cotton fiber with the pH value of 5 for 1min to obtain cotton fiber containing holes;
soaking the cotton fiber containing holes in a mixed water solution of algal polysaccharide and tea polyphenol at a mass concentration of 30g/L, tea polyphenol at a mass concentration of 20g/L, pH 7 (pH adjusted by hydrochloric acid) and temperature of 95 deg.C for 20min at a bath ratio of 1:40, wherein the soaking frequency is 2.0 × 105Performing ultrasonic treatment under MHz, and continuously turning over the cotton fiber containing holes during soaking to obtain primary antibacterial deodorizing cotton fiber;
the primary antibacterial deodorizing cotton fiber is added according to the bath ratio of 1:50, and the mass concentration is 25Soaking in zinc acetate solution of 2.0 × 10 for 20min5Performing ultrasonic treatment under MHz, and continuously turning over the primary antibacterial deodorizing cotton fiber during soaking; squeezing the soaked product until the water content of the cotton fiber is 100%, sequentially oiling (the mass concentration of HONOL MGR in oiling oil bath solution is 6.0g/L, the temperature is 55 ℃), microwave drying (the frequency is 1880MHz, the time is 20min, the water content is 9%) and opening to obtain the antibacterial deodorizing cotton fiber.
According to GB/T20944.3-2008 evaluation of antibacterial performance of textiles, part 3: the results of detecting the antibacterial performance of the antibacterial and deodorant cotton fibers prepared in examples 1-3 by using an oscillation method are shown in table 1; determination of deodorizing Properties according to GB/T33610.2-2017 textile part 2: the results of the inspection of the ammonia and acetic acid reduction rates of the antibacterial and deodorizing cotton fibers prepared in examples 1 to 3 by the inspection tube method are shown in table 1; determination of the deodorizing Properties of the textiles according to GB/T33610.3-2019 part 3: the results of detecting the reduction rate of isovaleric acid by the antibacterial and deodorant cotton fibers prepared in examples 1 to 3 through a gas chromatography are shown in table 1.
Table 1 antibacterial and deodorant properties of antibacterial and deodorant cotton fibers prepared in examples 1 to 3
Figure BDA0003020228870000111
According to JISL 1902: 2008 & ltantibacterial effect of textile antibacterial performance test method & gt test the antibacterial and deodorizing performance of the antibacterial and deodorizing cotton fibers prepared in examples 1-3 after being washed 50 times and 200 times, and the results are listed in table 2.
Table 2 antibacterial and deodorant properties of antibacterial and deodorant cotton fibers prepared in examples 1 to 3 after washing 50 times and 200 times
Figure BDA0003020228870000121
As can be seen from the data in tables 1 and 2, the antibacterial and deodorant cotton fiber provided by the invention has good antibacterial and deodorant properties, and still has good antibacterial and deodorant properties after 50 times of washing and even 200 times of washing, which indicates that the antibacterial and deodorant component in the antibacterial and deodorant cotton fiber provided by the invention has good stability and is not easy to lose in the cotton fiber, and the durability of the antibacterial and deodorant property of the antibacterial and deodorant cotton fiber is improved.
Preparation of antibacterial deodorizing cotton yarn
Example 4
The antibacterial and deodorant cotton fibers and the cotton fibers (the mass ratio of the antibacterial and deodorant cotton fibers to the cotton fibers is 50:50) prepared in example 1 are grabbed into a cotton grabbing groove by a cotton grabbing machine (the operation efficiency is 90%) to be subjected to cotton mixing and paving (the beater speed is 650 r/min);
carding the product obtained in the opening and picking process under the conditions that the speed of a licker-in is 650r/min, the speed of a cylinder is 310r/min, the speed of a cover plate is 60mm/min, the speed of a doffer is 50m/min, the speed of a sliver outlet is 60m/min and the ration of the sliver is 14g/5 m;
carrying out first drawing on the product obtained in the cotton carding process under the conditions that the number of combined roots is 8, the speed is 170m/min, the dry basis weight is 14g/5m, the total drafting multiple is 8.0 times, and the drafting multiple in the rear zone is 1.50 times; carrying out second drawing on the products of the first drawing under the conditions that the number of combined roots is 7, the speed is 160m/min, the dry basis weight is 11.5g/5m, the total drafting multiple is 7.65 times, and the drafting multiple of a rear zone is 1.25 times;
carrying out roving process on the product of the second drawing under the conditions that the dry weight is 2.8g/5m, the roller spacing is 10mm 26mm 36mm, the total drafting multiple is 8.7 times, the drafting multiple of the rear zone is 1.20 times, the twist coefficient is 70 and the yarn dry CV is 4.3%;
and (3) spinning the product of the roving process under the conditions that the roller spacing is 17mm x 38mm, the total drafting multiple is 25 times, the back zone drafting multiple is 1.13 times, the twist is 80 twists/10 cm and the twist coefficient is 360 to obtain the antibacterial and deodorant cotton yarn.
Example 5
The antibacterial and deodorant cotton fibers and the cotton fibers (the mass ratio of the antibacterial and deodorant cotton fibers to the cotton fibers is 55:45) prepared in example 2 are grabbed into a cotton grabbing groove by a cotton grabbing machine (the operation efficiency is 93%) to be subjected to cotton mixing and paving (the beater speed is 760 r/min);
carding the product obtained in the opening and picking process under the conditions that the speed of a licker-in is 735r/min, the speed of a cylinder is 330r/min, the speed of a cover plate is 72mm/min, the speed of a doffer is 56m/min, the speed of a sliver outlet is 65m/min, and the ration of the sliver is 16g/5 m;
carrying out first drawing on the product obtained in the cotton carding process under the conditions that the number of combined roots is 8, the speed is 235m/min, the dry basis weight is 16g/5m, the total drafting multiple is 8.55 times, and the drafting multiple in the rear area is 1.58 times; carrying out second drawing on the products of the first drawing under the conditions that the number of combined roots is 7, the speed is 190m/min, the dry basis weight is 12.5g/5m, the total drafting multiple is 7.83 times, and the drafting multiple of a rear zone is 1.30 times;
performing roving process on the product of the second drawing under the conditions that the dry weight is 3.5g/5m, the roller spacing is 10mm 26mm 36mm, the total drafting multiple is 8.85 times, the back zone drafting multiple is 1.26 times, the twist coefficient is 75 and the yarn dry CV is 4.56%;
and (3) carrying out a spinning process on the product of the roving process under the conditions that the roller spacing is 17mm x 38mm, the total drafting multiple is 31 times, the back zone drafting multiple is 1.17 times, the twist degree is 90 twist/10 cm and the twist coefficient is 375, thus obtaining the antibacterial and deodorant cotton yarn.
Example 6
The antibacterial and deodorant cotton fibers and the cotton fibers (the mass ratio of the antibacterial and deodorant cotton fibers to the cotton fibers is 60:40) prepared in example 3 are grabbed into a cotton grabbing groove by a cotton grabbing machine (the operation efficiency is 95%) to be subjected to cotton mixing and paving (the beater speed is 880 r/min);
carding the product obtained in the opening and picking process under the conditions that the licker-in speed is 780r/min, the cylinder speed is 350r/min, the cover plate speed is 80mm/min, the doffer speed is 60m/min, the sliver discharging speed is 70m/min and the sliver ration is 18g/5 m;
carrying out first drawing on the product obtained in the cotton carding process under the conditions that the number of combined roots is 8, the speed is 260m/min, the dry basis weight is 18g/5m, the total drafting multiple is 8.75 times, and the drafting multiple in the rear area is 1.68 times; carrying out second drawing on the products of the first drawing under the conditions that the number of combined roots is 7, the speed is 230m/min, the dry basis weight is 13.5g/5m, the total drafting multiple is 8.0 times, and the drafting multiple of a rear zone is 1.38 times;
carrying out roving process on the product of the second drawing under the conditions that the dry weight is 4.9g/5m, the roller spacing is 10mm 26mm 36mm, the total drafting multiple is 9.0 times, the drafting multiple of the rear zone is 1.30 times, the twist coefficient is 80 and the yarn dry CV is 4.9%;
and (3) carrying out a spinning process on the product of the roving process under the conditions that the roller spacing is 17mm x 38mm, the total drafting multiple is 35 times, the back zone drafting multiple is 1.20 times, the twist degree is 100 twists/10 cm and the twist coefficient is 398, thus obtaining the antibacterial and deodorant cotton yarn.
According to GB/T20944.3-2008 evaluation of antibacterial performance of textiles, part 3: the results of detecting the antibacterial performance of the antibacterial and deodorant cotton yarns prepared in examples 4-6 by using an oscillation method are shown in table 3; determination of deodorizing Properties according to GB/T33610.2-2017 textile part 2: the results of detecting the ammonia and acetic acid reduction rate of the antibacterial and deodorizing cotton yarn pair prepared in examples 4 to 6 by using a detector tube method are shown in table 3; determination of the deodorizing Properties of the textiles according to GB/T33610.3-2019 part 3: the results of detecting the reduction rate of isovaleric acid by the antibacterial and deodorant cotton yarn pairs prepared in examples 4 to 6 by gas chromatography are shown in table 3.
Table 3 antibacterial and deodorant properties of antibacterial and deodorant cotton yarn prepared in examples 4 to 6
Figure BDA0003020228870000151
According to JISL 1902: 2008 & ltantibacterial effect of textile antibacterial property test method & gt antibacterial and deodorizing performance of the antibacterial and deodorizing cotton yarn prepared in examples 4-6 after being washed 50 times and 200 times, the results are listed in table 4.
Table 4 antibacterial and deodorant cotton yarn prepared in examples 4 to 6 had antibacterial and deodorant properties after washing 50 times or 200 times
Figure BDA0003020228870000152
As can be seen from the data in tables 3 and 4, the antibacterial and deodorant cotton yarn provided by the invention has good antibacterial and deodorant performance, and still has good antibacterial and deodorant performance after 50 times of washing and even 200 times of washing, which indicates that the antibacterial and deodorant component in the antibacterial and deodorant cotton yarn provided by the invention has good stability and is not easy to lose in the cotton yarn, and the durability of the antibacterial and deodorant cotton yarn in the antibacterial and deodorant performance is improved.
Although the present invention has been described in detail with reference to the above embodiments, it is only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and the embodiments are within the scope of the present invention.

Claims (10)

1. An antibacterial deodorizing cotton fiber comprises cotton fiber containing holes, algal polysaccharide and tea polyphenol combined with hydrophilic groups on the surface of the cotton fiber containing holes, and zinc ions complexed with the algal polysaccharide and/or the tea polyphenol.
2. The antibacterial and deodorant cotton fiber as claimed in claim 1, wherein the mass ratio of the cotton fiber containing the holes, the algal polysaccharide, the tea polyphenol and the zinc ions is 100: 8-12: 4-8: 5-10.
3. A method for preparing the antibacterial and deodorant cotton fiber of claim 1 or 2, comprising the steps of:
etching the cotton fibers to obtain cotton fibers with holes;
soaking the cotton fiber containing the holes in a mixed aqueous solution of algal polysaccharide and tea polyphenol for adsorption to obtain primary antibacterial deodorizing cotton fiber;
and (3) soaking the primary antibacterial deodorizing cotton fiber in a zinc ion antibacterial agent solution for complexing to obtain the antibacterial deodorizing cotton fiber.
4. The preparation method according to claim 3, wherein the etching comprises air plasma etching, the output power of the air plasma etching is 100-300W, and the time is 1-3 min.
5. The preparation method according to claim 3, wherein the pH value of the mixed aqueous solution of algal polysaccharides and tea polyphenols is 5.5-7;
the mass concentration of the algal polysaccharide in the mixed aqueous solution of the algal polysaccharide and the tea polyphenol is 20-30 g/L, and the mass concentration of the tea polyphenol is 10-20 g/L;
the mass ratio of the cotton fibers to the mixed aqueous solution of algal polysaccharide and tea polyphenol is 1: 25-40.
The temperature for soaking in the mixed water solution of algal polysaccharide and tea polyphenol is 75-95 ℃, and the time is 20-30 min.
6. The preparation method according to claim 3, wherein the mass concentration of the zinc ion antibacterial agent solution is 15-25 g/L; the mass ratio of the cotton fibers to the zinc ion antibacterial agent solution is 1: 30-50;
the complexing time is 20-30 min.
7. The method of claim 3, wherein the cotton fiber further comprises a pretreatment before etching, the pretreatment comprising the steps of:
scouring and bleaching the cotton fiber raw material to obtain bleached cotton fiber;
soaking the bleached cotton fiber in a sodium hydroxide solution to obtain swollen cotton fiber;
and (3) acid-washing the swelling cotton fibers until the pH value of the cotton fibers is 5-8.
8. An antibacterial and deodorant cotton yarn comprises an antibacterial and deodorant cotton fiber and a cotton fiber, wherein the antibacterial and deodorant cotton fiber is the antibacterial and deodorant cotton fiber in claim 1 or 2 or the antibacterial and deodorant cotton fiber prepared by the preparation method in any one of claims 3 to 7;
the mass percentage of the antibacterial and deodorant cotton fibers in the antibacterial and deodorant cotton yarn is 50-60%.
9. A method for preparing the antibacterial and deodorant cotton yarn as claimed in claim 8, comprising the steps of:
mixing cotton fibers and the antibacterial deodorizing cotton fibers, and then sequentially performing an opening picking process, a cotton carding process, a drawing process, a roving process and a spinning process to obtain the antibacterial deodorizing cotton yarn.
10. Use of the antibacterial and deodorant cotton yarn according to claim 8 or the antibacterial and deodorant cotton yarn prepared by the preparation method according to claim 9 in the preparation of textiles.
CN202110400819.7A 2021-04-14 2021-04-14 Antibacterial and deodorant cotton fiber and preparation method thereof, antibacterial and deodorant cotton yarn and preparation method and application thereof Pending CN114182530A (en)

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Application publication date: 20220315