CN112160049A - Sun-proof antibacterial textile fabric and preparation method thereof - Google Patents
Sun-proof antibacterial textile fabric and preparation method thereof Download PDFInfo
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- CN112160049A CN112160049A CN202010956730.4A CN202010956730A CN112160049A CN 112160049 A CN112160049 A CN 112160049A CN 202010956730 A CN202010956730 A CN 202010956730A CN 112160049 A CN112160049 A CN 112160049A
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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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
- 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
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
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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
- D01F6/50—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 polyalcohols, polyacetals or polyketals
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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
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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
- 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
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a sun-proof antibacterial textile fabric and a preparation method thereof, and belongs to the technical field of textile fabrics. The sun-proof antibacterial fabric is formed by vertically interweaving warp yarns and weft yarns, wherein the warp yarns comprise the following components in percentage by mass: 25-35% of plant fiber, 15-18% of acrylic fiber and the balance of sun-proof antibacterial fiber; the weft yarn comprises the following components in percentage by mass: 30-40% of plant fiber and the balance of terylene, wherein the sun-proof antibacterial fiber comprises the following raw materials in percentage by mass: 10-15% of polyvinyl alcohol, 1.2-2.0% of graphene, 9-15% of chitosan, 1-5% of chitin, 0.5-0.7% of nano titanium dioxide, 0.5-0.8% of acid, 0.005-0.01% of cross-linking agent, 0.8-1.2% of polyhexamethylene guanidine phosphate and the balance of water.
Description
Technical Field
The invention belongs to the technical field of textile fabrics, and particularly relates to a sun-proof antibacterial textile fabric and a preparation method thereof.
Background
In real life, people inevitably come into contact with various microorganisms such as bacteria and fungi. The microorganisms can rapidly grow and reproduce under proper environmental conditions, and can spread diseases through contact, thereby affecting the physical and mental health of people. In people's daily life, the human body constantly produces sweat stains, grease, dander and the like, so the skin provides the best breeding place for microorganisms, and between clothes and skin, there is also an ideal environment for microorganisms to breed: moist and warm. Bacteria increase 1-fold every 20 minutes. Bad smell is generated by the metabolism of microorganisms, even skin is infected, and pruritus and pus are generated.
Meanwhile, the damage of the atmospheric ozone layer causes various color spots and skin diseases of the skin, even skin cancer, especially in summer and in hot weather, and a large amount of bacteria are bred and propagated.
The sun-proof antibacterial performance of the existing sun-proof antibacterial fabric in the market is greatly reduced after the existing sun-proof antibacterial fabric is washed for multiple times, so that the fabric still having good sun-proof and antibacterial effects after the existing sun-proof antibacterial fabric is washed for multiple times is urgently needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a sun-proof antibacterial textile fabric and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the sun-proof antibacterial textile fabric is formed by vertically interweaving warp yarns and weft yarns, wherein the warp yarns comprise the following components in percentage by mass: 25-35% of plant fiber, 15-18% of acrylic fiber and the balance of sun-proof antibacterial fiber; the weft yarn comprises the following components in percentage by mass: 30-40% of plant fiber and the balance of terylene.
The sun-proof antibacterial fiber is composed of the following raw materials in percentage by mass: 10-15% of polyvinyl alcohol, 1.2-2.0% of graphene, 9-15% of chitosan, 1-5% of chitin, 0.5-0.7% of nano titanium dioxide, 0.5-0.8% of acid, 0.005-0.01% of cross-linking agent, 0.8-1.2% of polyhexamethylene guanidine phosphate and the balance of water.
Further, the graphene is one of few-layer graphene oxide, single-layer graphene oxide and reduced graphene.
Further, the acid is one or more of sulfuric acid, hydrochloric acid, oxalic acid and acetic acid.
Further, the cross-linking agent is one or more of glyoxal, butyraldehyde and glutaraldehyde.
Further, the plant fiber comprises one or more of cotton fiber, bamboo fiber, flax fiber, aloe fiber, wormwood fiber and soybean fiber.
The nanometer titanium dioxide is white loose powder, the diameter of the nanometer titanium dioxide is less than 100nm, the ultraviolet shielding effect is strong, the good dispersibility and the good weather resistance are realized, the nanometer titanium dioxide can be used for sterilizing for a long time under the action of ultraviolet rays, but most chemical fiber materials are organic polymer materials, and the combining capability of the nanometer titanium dioxide and the nanometer titanium dioxide is poor.
Polyester (PET) fibers are synthetic fibers spun from a fiber-forming polymer formed by ester-linking of individual links in a macromolecular chain, and polyester is abbreviated to PET. The fiber with the content of the polyethylene glycol terephthalate more than 85 percent is abbreviated as terylene, which has excellent crease resistance and shape retention, higher strength and elastic recovery capability, but poor air permeability and hygroscopicity, especially in hot summer.
Acrylic fiber is synthetic fiber made of polyacrylonitrile or acrylonitrile copolymer with acrylonitrile content more than 85% (mass percent), and has the advantages of softness, fluffiness, easy dyeing, antibiosis, worm-eating resistance and the like, and has poor hygroscopicity.
Plant fibers include many types, which have good softness, but develop bacteria.
Chitosan is a chitin N-deacetylated product, the chitin, chitosan and cellulose have similar chemical structures, cellulose is hydroxyl at C2 position, chitin and chitosan are respectively replaced by an acetamido and an amino at C2 position, the chitin and chitosan have a plurality of unique properties such as biodegradability, cell affinity and biological effect, especially chitosan containing free amino is the only basic polysaccharide in natural polysaccharide.
The graphene is a honeycomb two-dimensional material formed by tightly stacking single-atom thick carbon atoms, and has good mechanical property, thermal property and electrical property, and a large number of carboxyl, hydroxyl and other groups are arranged on the surface of the graphene.
The preparation method of the sun-proof fiber comprises the following steps:
(1) dissolving polyvinyl alcohol into water to obtain a polyvinyl alcohol solution;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid;
(3) dissolving chitosan and chitin into an acid solution to obtain a chitosan and chitin solution;
(4) mixing a polyvinyl alcohol solution, chitosan and a chitin solution, adding the mixture into the graphene dispersion liquid, and simultaneously adding polyhexamethylene guanidine phosphate and uniformly stirring;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent, continuously and slowly stirring at the temperature of 40-45 ℃, sending the mixture into a spinning machine after 50-70min, extruding the mixture through a spinning nozzle, and performing coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber.
Further, the ultrasonic treatment time of the graphene in the step (2) in water is 60-80min, and the temperature is room temperature.
Further, the stirring time in the step (4) is 40-60min, and the temperature is 50-55 ℃.
The invention also aims to provide a method for preparing the sun-proof antibacterial textile fabric, which comprises the following steps:
A) preparing sun-proof antibacterial fiber:
(1) dissolving polyvinyl alcohol into water to obtain a polyvinyl alcohol solution;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid;
(3) dissolving chitosan and chitin into an acid solution to obtain a chitosan and chitin solution;
(4) mixing a polyvinyl alcohol solution, chitosan and a chitin solution, adding the mixture into the graphene dispersion liquid, and simultaneously adding polyhexamethylene guanidine phosphate and uniformly stirring;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent, continuously and slowly stirring at the temperature of 40-45 ℃, sending the mixture into a spinning machine after 50-70min, extruding the mixture through a spinning head, and performing coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber;
B) twisting the plant fiber, acrylic fiber and sun-proof antibacterial fiber in a spiral shape to obtain warp; the plant fiber and the terylene with the formula amount are twisted spirally to prepare weft yarn, and the warp yarn and the weft yarn are vertically interwoven to prepare the sun-proof antibacterial textile fabric.
Compared with the prior art, the invention has the following beneficial effects:
the invention integrates the superior performances of the terylene and the acrylon, simultaneously adds the sun-proof antibacterial fiber, has the antibacterial and sun-proof functions, fully utilizes the space structure of the graphene and the cross-linking reaction generated in the preparation process, firmly fixes the nano titanium dioxide in the sun-proof antibacterial fiber, reduces the dissolution rate of the polyhexamethylene phosphate and prolongs the antibacterial effect. The sun-proof antibacterial textile fabric prepared by the invention has excellent sun-proof and antibacterial effects, and still has good sun-proof and antibacterial effects after being washed for many times.
Detailed Description
Comparative example 1
The sun-proof antibacterial fiber provided by the embodiment is composed of the following raw materials in percentage by mass: 12% of polyvinyl alcohol, 9% of chitosan, 1% of chitin, 0.7% of nano titanium dioxide, 0.6% of oxalic acid, 0.008% of cross-linking agent butyraldehyde, 1.2% of polyhexamethylene guanidine phosphate and the balance of water.
The preparation method of the sun-proof antibacterial fiber comprises the following steps:
(1) dissolving polyvinyl alcohol into water to prepare 15% polyvinyl alcohol solution;
(2) dissolving chitosan and chitin into an acid solution with the concentration of 0.7% to obtain a mixed solution of chitosan with the concentration of 18% and chitin with the concentration of 2%;
(3) mixing polyvinyl alcohol solution with chitosan and chitin solution, adding polyhexamethylene guanidine phosphate, and stirring uniformly for 60min at 53 deg.C;
(4) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent butyraldehyde, continuously and slowly stirring at the temperature of 40 ℃ for 50min, sending the mixture into a spinning machine, extruding the mixture through a spinning head, and performing coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber.
The preparation method of the sun-proof antibacterial textile fabric provided by the comparative example comprises the following steps: twisting 35% cotton fiber, 15% acrylic fiber and 50% sun-proof antibacterial fiber in spiral form to obtain warp; and (3) twisting 20% of cotton fiber, 10% of bamboo fiber and 70% of polyester in a spiral shape to obtain weft yarns, and vertically interweaving the warp yarns and the weft yarns to obtain the sun-proof antibacterial textile fabric.
Comparative example 2
The sun-proof antibacterial fiber provided by the embodiment is composed of the following raw materials in percentage by mass: 12% of polyvinyl alcohol, 1.2% of few-layer graphene oxide, 1% of chitin, 0.7% of nano titanium dioxide, 0.6% of hydrochloric acid, 0.008% of cross-linking agent butyraldehyde, 1.2% of polyhexamethylene guanidine phosphate and the balance of water.
The preparation method of the sun-proof antibacterial fiber comprises the following steps:
(1) dissolving polyvinyl alcohol into water to prepare 15% polyvinyl alcohol solution;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid, wherein the ultrasonic time is 60min, and the temperature is room temperature;
(3) dissolving chitin into 0.7% acid solution to obtain 2% chitin solution;
(4) mixing a polyvinyl alcohol solution and a chitin solution, adding the mixture into a graphene dispersion solution, adding polyhexamethylene guanidine phosphate, and uniformly stirring for 60min at a temperature of 53 ℃;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent butyraldehyde, continuously and slowly stirring at the temperature of 40 ℃ for 50min, sending the mixture into a spinning machine, extruding the mixture through a spinning head, and performing coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber.
The preparation method of the sun-proof antibacterial textile fabric provided by the embodiment is as follows: twisting 35% cotton fiber, 15% acrylic fiber and 50% sun-proof antibacterial fiber in spiral form to obtain warp; and (3) twisting 20% of cotton fiber, 10% of bamboo fiber and 70% of polyester in a spiral shape to obtain weft yarns, and vertically interweaving the warp yarns and the weft yarns to obtain the sun-proof antibacterial textile fabric.
Comparative example 3
The sun-proof antibacterial fiber provided by the embodiment is composed of the following raw materials in percentage by mass: 5% of polyvinyl alcohol, 0.8% of reduced graphene, 20% of chitosan, 0.5% of chitin, 0.2% of nano titanium dioxide, 0.3% of sulfuric acid, 0.02% of cross-linking agent glutaraldehyde, 1.5% of polyhexamethylene guanidine phosphate and the balance of water.
The preparation method of the sun-proof antibacterial fiber comprises the following steps:
(1) dissolving polyvinyl alcohol into water to prepare 15% polyvinyl alcohol solution;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid, wherein the ultrasonic time is 60min, and the temperature is room temperature;
(3) dissolving chitosan and chitin into an acid solution with the concentration of 0.7% to obtain a mixed solution of chitosan with the concentration of 40% and chitin with the concentration of 1%;
(4) mixing a polyvinyl alcohol solution, chitosan and a chitin solution, adding the mixture into a graphene dispersion solution, adding polyhexamethylene guanidine phosphate, and uniformly stirring the mixture for 60min at a temperature of 53 ℃;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent glutaraldehyde, continuously and slowly stirring at 40 ℃ for 50min, then sending the mixture into a spinning machine, extruding the mixture through a spinning nozzle, and then carrying out coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber.
The preparation method of the sun-proof antibacterial textile fabric provided by the embodiment is as follows: twisting 25% of soybean fiber, 15% of acrylic fiber and 60% of sun-proof antibacterial fiber in a spiral shape to obtain warp; and (3) twisting 35% of bamboo fiber and 65% of polyester in a spiral shape to obtain weft yarns, and vertically interweaving the warp yarns and the weft yarns to obtain the sun-proof antibacterial textile fabric.
Example 1
The sun-proof antibacterial fiber provided by the embodiment is composed of the following raw materials in percentage by mass: 12% of polyvinyl alcohol, 1.2% of few-layer graphene oxide, 9% of chitosan, 1% of chitin, 0.7% of nano titanium dioxide, 0.6% of oxalic acid, 0.008% of cross-linking agent butyraldehyde, 1.2% of polyhexamethylene guanidine phosphate and the balance of water.
The preparation method of the sun-proof antibacterial fiber comprises the following steps:
(1) dissolving polyvinyl alcohol into water to prepare 15% polyvinyl alcohol solution;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid, wherein the ultrasonic time is 60min, and the temperature is room temperature;
(3) dissolving chitosan and chitin into an acid solution with the concentration of 0.7% to obtain a mixed solution of chitosan with the concentration of 18% and chitin with the concentration of 2%;
(4) mixing a polyvinyl alcohol solution, chitosan and a chitin solution, adding the mixture into a graphene dispersion solution, adding polyhexamethylene guanidine phosphate, and uniformly stirring the mixture for 60min at a temperature of 53 ℃;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent butyraldehyde, continuously and slowly stirring at the temperature of 40 ℃ for 50min, sending the mixture into a spinning machine, extruding the mixture through a spinning head, and performing coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber.
The preparation method of the sun-proof antibacterial textile fabric provided by the embodiment is as follows: twisting 35% cotton fiber, 15% acrylic fiber and 50% sun-proof antibacterial fiber in spiral form to obtain warp; and (3) twisting 20% of cotton fiber, 10% of bamboo fiber and 70% of polyester in a spiral shape to obtain weft yarns, and vertically interweaving the warp yarns and the weft yarns to obtain the sun-proof antibacterial textile fabric.
Example 2
The sun-proof antibacterial fiber provided by the embodiment is composed of the following raw materials in percentage by mass: 10% of polyvinyl alcohol, 2.0% of single-layer graphene oxide, 15% of chitosan, 3% of chitin, 0.6% of nano titanium dioxide, 0.8% of acetic acid, 0.01% of cross-linking agent glutaraldehyde, 1% of polyhexamethylene guanidine phosphate and the balance of water.
The preparation method of the sun-proof antibacterial fiber comprises the following steps:
(1) dissolving polyvinyl alcohol into water to prepare a polyvinyl alcohol solution with the concentration of 12%;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid, wherein the ultrasonic time is 80min, and the temperature is room temperature;
(3) dissolving chitosan and chitin into an acid solution to obtain a chitosan and chitin mixed solution with the concentration of 30% and the concentration of 6%;
(4) mixing a polyvinyl alcohol solution, chitosan and a chitin solution, adding the mixture into a graphene dispersion solution, adding polyhexamethylene guanidine phosphate, and uniformly stirring for 50min at 50 ℃;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent glutaraldehyde, continuously and slowly stirring at 45 ℃ for 70min, then sending the mixture into a spinning machine, extruding the mixture through a spinning nozzle, and then carrying out coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber.
The preparation method of the sun-proof antibacterial textile fabric provided by the embodiment is as follows: twisting 10% of wormwood fiber, 15% of cotton fiber, 17% of acrylic fiber and 58% of sun-proof antibacterial fiber in a spiral shape to obtain warp; and (3) twisting 40% of bamboo fiber and 60% of polyester in a spiral shape to obtain weft yarns, and vertically interweaving the warp yarns and the weft yarns to obtain the sun-proof antibacterial textile fabric.
Example 3
The sun-proof antibacterial fiber provided by the embodiment is composed of the following raw materials in percentage by mass: 15% of polyvinyl alcohol, 1.5% of reduced graphene, 10% of chitosan, 5% of chitin, 0.5% of nano titanium dioxide, 0.5% of sulfuric acid, 0.005% of cross-linking agent glyoxal, 0.8% of polyhexamethylene guanidine phosphate and the balance of water.
The preparation method of the sun-proof antibacterial fiber comprises the following steps:
(1) dissolving polyvinyl alcohol into water to prepare a polyvinyl alcohol solution with the concentration of 18%;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid, wherein the ultrasonic time is 70min, and the temperature is room temperature;
(3) dissolving chitosan and chitin into an acid solution to obtain a mixed solution of chitosan with the concentration of 12% and chitin with the concentration of 6%;
(4) mixing a polyvinyl alcohol solution, chitosan and a chitin solution, adding the mixture into a graphene dispersion solution, adding polyhexamethylene guanidine phosphate, and uniformly stirring the mixture for 40min at the temperature of 55 ℃;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding cross-linking agent glyoxal, continuously and slowly stirring at 42 ℃ for 60min, then sending the mixture into a spinning machine, extruding the mixture through a spinning nozzle, and then carrying out coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber.
The preparation method of the sun-proof antibacterial textile fabric provided by the embodiment is as follows: twisting 15% of cotton fiber, 10% of flax fiber, 15% of acrylic fiber and 60% of sun-proof antibacterial fiber in a spiral shape to obtain warp; and (3) twisting 40% of soybean fibers and 60% of terylene in a spiral shape to obtain weft yarns, and vertically interweaving the warp yarns and the weft yarns to obtain the sun-proof antibacterial textile fabric.
Example 4
The bacteriostasis test method and the characterization indexes of the nano antibacterial fiber mixed fabric are as follows:
GB/T20944.3-2008' evaluation third part of textile antibacterial performance is adopted in the antibacterial test: oscillation method
Sterilization method-high pressure steam sterilization
Shaking solution-0.03 mol/L phosphate buffer solution
The contact temperature is (24 +/-1) DEG C
Contact time 18h
The evaluation indexes of the bacteriostatic effect are as follows: (the bacteriostasis rate of staphylococcus aureus and escherichia coli) is more than or equal to 70 percent, or the bacteriostasis rate of candida albicans is more than or equal to 60 percent, which indicates that the sample has the antibacterial function.
The fabrics in comparative examples 1-3 and examples 1-3 were washed 100 times and then tested for bacteriostasis, and the results are shown in table 1.
TABLE 1 bacteriostatic test effect of fabrics in comparative examples 1-3 and examples 1-3 after 100 times of washing
As can be seen from table 1, the sunscreen antibacterial fabrics prepared in examples 1-3 still have excellent antibacterial effect after 100 times of washing, while the antibacterial effect of comparative examples 1-3 is much lower than that of examples 1-3, wherein, compared with example 1, graphene is absent in comparative example 1, chitosan is absent in comparative example 2, and the content of each component in comparative example 3 is largely adjusted, it can be seen that graphene and chitosan in the components of the sunscreen antibacterial fabric provided by the present invention are indispensable, and the two components play a particularly critical role in the microstructure of sunscreen antibacterial fibers.
Example 5
The measurement of the sun protection factor UPF and UVA was carried out after 100 washes of the fabrics prepared in comparative examples 1 to 3 and examples 1 to 3 according to GB/T18830 evaluation of ultraviolet protection Properties for textiles, the results of which are shown in Table 2.
TABLE 2 Sun protection index UPF and UVA values after 100 washes of the fabrics of comparative examples 1-3 and examples 1-3
As can be seen from table 2, the sun-screening antibacterial fabrics prepared in examples 1 to 3 still have excellent sun-screening ability after 100 times of washing, while the fabrics prepared in comparative examples 1 to 3 have poor sun-screening ability after multiple times of washing.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. The sun-proof antibacterial textile fabric is characterized by being formed by vertically interweaving warp yarns and weft yarns, wherein the warp yarns comprise the following components in percentage by mass: 25-35% of plant fiber, 15-18% of acrylic fiber and the balance of sun-proof antibacterial fiber; the weft yarn comprises the following components in percentage by mass: 30-40% of plant fiber and the balance of terylene.
2. The sun-proof antibacterial textile fabric according to claim 1, wherein the sun-proof antibacterial fiber is composed of the following raw materials in percentage by mass: 10-15% of polyvinyl alcohol, 1.2-2.0% of graphene, 9-15% of chitosan, 1-5% of chitin, 0.5-0.7% of nano titanium dioxide, 0.5-0.8% of acid, 0.005-0.01% of cross-linking agent, 0.8-1.2% of polyhexamethylene guanidine phosphate and the balance of water.
3. The sun-proof antibacterial textile fabric according to claim 2, wherein the sun-proof antibacterial fiber is prepared by the following method:
(1) dissolving polyvinyl alcohol into water to obtain a polyvinyl alcohol solution;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid;
(3) dissolving chitosan and chitin into an acid solution to obtain a chitosan and chitin solution;
(4) mixing a polyvinyl alcohol solution, chitosan and a chitin solution, adding the mixture into the graphene dispersion liquid, and simultaneously adding polyhexamethylene guanidine phosphate and uniformly stirring;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent, continuously and slowly stirring at the temperature of 40-45 ℃, sending the mixture into a spinning machine after 50-70min, extruding the mixture through a spinning nozzle, and performing coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber.
4. The sun-proof antibacterial textile fabric according to claim 3, wherein the ultrasonic time of the graphene in the step (2) in water is 60-80min, and the temperature is room temperature.
5. The sun-proof antibacterial textile fabric according to claim 3, wherein the stirring time in the step (4) is 40-60min, and the temperature is 50-55 ℃.
6. The sun-blocking antibacterial textile fabric according to claim 3, wherein the graphene is one of few-layer graphene oxide, single-layer graphene oxide and reduced graphene.
7. The sun-blocking antibacterial textile fabric according to claim 3, wherein the acid is one or more of sulfuric acid, hydrochloric acid, oxalic acid, and acetic acid.
8. The sun-screening antibacterial textile fabric according to claim 3, wherein the cross-linking agent is one or more of glyoxal, butyraldehyde and glutaraldehyde.
9. The sun-blocking antibacterial textile fabric according to claim 3, wherein the plant fibers comprise one or more of cotton fibers, bamboo fibers, flax fibers, aloe fibers, wormwood fibers and soybean fibers.
10. A method for preparing a sun-screening antibacterial textile fabric according to any one of claims 1 to 9, which comprises the following steps:
A) preparing sun-proof antibacterial fiber:
(1) dissolving polyvinyl alcohol into water to obtain a polyvinyl alcohol solution;
(2) dissolving graphene into water, and performing ultrasonic dispersion to obtain a graphene dispersion liquid;
(3) dissolving chitosan and chitin into an acid solution to obtain a chitosan and chitin solution;
(4) mixing a polyvinyl alcohol solution, chitosan and a chitin solution, adding the mixture into the graphene dispersion liquid, and simultaneously adding polyhexamethylene guanidine phosphate and uniformly stirring;
(5) slowly adding nano titanium dioxide into the mixed solution, uniformly stirring, slowly adding a cross-linking agent, continuously and slowly stirring at the temperature of 40-45 ℃, sending the mixture into a spinning machine after 50-70min, extruding the mixture through a spinning head, and performing coagulation bath, stretching treatment and acetalization treatment to obtain the sun-proof antibacterial fiber;
B) twisting the plant fiber, acrylic fiber and sun-proof antibacterial fiber in a spiral shape to obtain warp; the plant fiber and the terylene with the formula amount are twisted spirally to prepare weft yarn, and the warp yarn and the weft yarn are vertically interwoven to prepare the sun-proof antibacterial textile fabric.
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| CN113026341A (en) * | 2021-02-26 | 2021-06-25 | 石家庄学院 | Preparation method of copper-titanium coupled long-acting antibacterial polyester fiber based on efficient pretreatment process |
| CN115300661A (en) * | 2022-09-09 | 2022-11-08 | 杜娜 | Medical antibacterial gauze and preparation method thereof |
| CN115449921A (en) * | 2022-08-31 | 2022-12-09 | 吴娜娜 | Sun-proof breathable fabric and preparation method thereof |
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