CN110592772A - Antibacterial spinning fabric and spinning method thereof - Google Patents
Antibacterial spinning fabric and spinning method thereof Download PDFInfo
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- CN110592772A CN110592772A CN201910962044.5A CN201910962044A CN110592772A CN 110592772 A CN110592772 A CN 110592772A CN 201910962044 A CN201910962044 A CN 201910962044A CN 110592772 A CN110592772 A CN 110592772A
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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
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0035—Protective fabrics
- D03D1/007—UV radiation protecting
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/002—With diagonal warps or wefts
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
-
- 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
-
- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/04—Silk
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Filaments (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides an antibacterial spinning fabric which is prepared from the following raw materials in parts by weight: 120 parts of modal fiber, 50-100 parts of natural fiber, 20-30 parts of bamboo charcoal fiber, 1-3 parts of antibacterial modifier, 10-20 parts of viscose, 05-10 parts of polyethylene glycol 40005 and 1-3 parts of butyl acetate. The graphene oxide-silver nano composite, the chitosan and the nano copper can generate the optimal synergistic effect under the proper proportion, the synergistic effect is reflected in the aspects of antibacterial and ultraviolet-resistant functions, and the functional fiber has very good color fastness after being dyed, so that the application prospect is wide.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to an antibacterial spinning fabric and a spinning method thereof.
Background
The dyeing and finishing process is a working procedure with high energy consumption and high sewage discharge in the textile industry, and is a problem which is always solved by society. Traditionally, it has been recognized that for natural fibers, the color must be obtained by a printing process.
The colored spun yarn reverses the traditional spinning process, and before the coloring link is mentioned for spinning, the colored spun yarn can be made into a yarn blended by various raw materials such as cotton, hemp, wool, silk, chemical fiber and the like after the process is changed, so that the colored spun yarn has the advantages that: firstly, the problem of the cylinder difference of grey cloth dyeing is completely solved, and batch limitless can be realized as long as the color of the colored fabric is determined; secondly, the dyeing problem of fabrics with different physical characteristics is solved by the color spinning, various fibers are mixed and spun to generate the function of performance complementation, and the color spinning provides an infinite development space for the fabric.
Since the colored spun yarn directly dyes partial fiber, the average proportion of the dyed fiber is about 35 percent, the proportion of the used dye and the consumed water is smaller, the total environmental pollution is reduced by more than 50 percent compared with the traditional product of 'spinning before dyeing', the product meets the time requirement of 'low-carbon manufacturing', and is a 'water-saving and emission-reducing' product in the textile industry. The precondition for the production of a colored spun yarn is that colored fibers are obtained.
The colored spun yarn belongs to fashion products, and the color of the textile becomes more and more diversified along with the improvement of the living standard and the consumption standard of consumers. For textile enterprises, the production requirements of products are small batch and various. The product batch of some spinning enterprises is even dozens of kilograms or even several kilograms, and the color change in various aspects can be said to be varied. The CNCS fashion color card of the Chinese national standard color system CNCS color system established by the Chinese textile information center contains 900 colors, and the color varieties of common fabric or colored yarn production enterprises are thousands. In addition, with the improvement of living standard of people, people pay more and more attention to the quality of life, and hope to have comfortable clothes, sanitary and healthy living environment. Therefore, people have higher and higher requirements on various textiles, and particularly the formation of 'green' concepts such as safety, comfort, health, sanitation, cleanness and the like makes the antibacterial, mildewproof and deodorant after-finishing processing of the textiles more emphasized by people.
People inevitably come into contact with various microorganisms such as bacteria and fungi in life, the microorganisms can rapidly propagate under proper external conditions, diseases are transmitted by means of contact and the like, and normal work, study and life of people are influenced. The fibers belong to porous materials, and after being overlapped and woven, a plurality of layers with countless gaps are formed, so that the fabric can easily absorb bacteria. At present, the processing methods of the antibacterial fabric mainly comprise two methods: one is that various fabrics are directly made of antibacterial fibers, and the obtained fabrics have lasting antibacterial effect and good washability, but have high requirement on antibacterial agents; the other method is to perform antibacterial finishing processing on the fabric to obtain an antibacterial function, wherein the antibacterial finishing is to enable the fabric to have the function of inhibiting the growth of bacteria, maintain a sanitary clothing environment and ensure the health of human bodies.
Disclosure of Invention
The invention provides an antibacterial spinning fabric and a spinning method thereof, wherein the graphene oxide-silver nano composite, chitosan and nano copper can generate an optimal synergistic effect under a proper proportion, the synergistic effect is reflected in the aspects of antibacterial and ultraviolet-resistant functions, and functional fibers have good color fastness after being dyed and have wide application prospects.
The invention provides an antibacterial spinning fabric which is prepared from the following raw materials in parts by weight: 120 parts of modal fiber, 50-100 parts of natural fiber, 20-30 parts of bamboo charcoal fiber, 1-3 parts of antibacterial modifier, 10-20 parts of viscose, 05-10 parts of polyethylene glycol 40005 and 1-3 parts of butyl acetate.
As a further improvement of the invention, the antibacterial modifier is prepared from the following raw materials in parts by weight: 10-20 parts of graphene oxide-silver nano compound, 1-3 parts of nano copper, 3-5 parts of chitosan, 1-2 parts of plant essential oil and 1-3 parts of tea polyphenol.
As a further improvement of the invention, the plant essential oil comprises one or more of Australian tea tree essential oil, lemon essential oil, lavender essential oil and cinnamon essential oil.
As a further improvement of the invention, the natural fiber is selected from one or more of cotton fiber, hemp fiber, wool fiber and silk fiber.
As a further improvement of the invention, the viscose is a high-tenacity fiber or viscose high-tenacity filament.
The invention further provides a preparation method of the antibacterial spinning fabric, which comprises the following steps:
s1, weighing modal fibers, natural fibers, bamboo charcoal fibers, polyethylene glycol 4000 and butyl acetate in proportion, and uniformly mixing;
s2, slowly adding an antibacterial modifier and viscose fibers into the components, adding the components into a high-pressure homogenizer, uniformly mixing at the temperature of 115-125 ℃, spinning at the spinning speed of 1600-1700m/min, and obtaining the light textile fibers through drawing treatment;
s3, the spinning process is as follows:
blowing and carding: conveying the light textile fibers to a blowing-carding combination machine through a bale plucker, and carding by opening cleaning and impurity removal to generate raw strips, wherein the dry weight of the raw strips is 20g/5 m;
drawing: two times of drawing and drafting are adopted, so that the fibers are mixed more uniformly and are straightened in parallel, the evenness is more uniform, the number of drawn yarns is 7, the drafting multiple is 10 times, and the weight of the cooked evenness is 15g/5 m;
roving: the number of the rough yarn is matched with that of the spun yarn, the drafting multiple is 10 times, the dry weight of the rough yarn is 7g/10 m, the twist coefficient is 100, and the spindle speed is 700 r/min;
spinning: the spun yarn is the last step of yarn formation, the drafting multiple of the spun yarn is 35 times, the dry weight of the spun yarn is 15g/1000 m, the twist is 95 twist/10 cm, the roller center distance is 50cm, and the spindle speed is 15000 r/min;
spooling: forming cone-shaped cone yarns on an automatic winder, removing thick knots and weak knots of the colored spun yarns, and enabling the winding speed to be 1200 m/min;
s4, weaving the wear-resistant textile fibers serving as warp yarns and weft yarns on an air jet loom, weaving the wear-resistant textile fibers by using 2/1 twill and 1/2 stripe lifting weave, wherein the speed is 650-670r/min, and the tension of the warp yarns is 3.0-4 KN;
and S5, dyeing and finishing, which sequentially comprises vat allocation, leveling, preshrinking, pre-shaping, dyeing, soaping, shaping and steaming in a tank.
As a further improvement of the invention, the pressure of the high-pressure homogenizer in the step S2 is 13-15 MPa.
As a further development of the invention, the spinning temperature in step S2 is 120 ℃.
As a further improvement of the invention, the weaving speed in the step S3 is 660r/min, and the warp tension is 3.5 KN.
As a further improvement of the invention, in the step S3, the warp-weft density ratio of the woven fabric is 1.5: 1, the warp-weft density of the finished product is 450 multiplied by 300 threads/10 cm, and the width of the door is 170 cm.
The invention has the following beneficial effects: the functional colored spun fiber obtained by the treatment of the modifier has good antibacterial and ultraviolet-resistant functions, and although the graphene oxide-silver nano composite, the chitosan and the nano copper are all modified materials known in the field, the invention finds that the graphene oxide-silver nano composite, the chitosan and the nano copper can generate the optimal synergistic effect under the appropriate proportion, and the synergistic effect is not only reflected in the aspects of antibacterial and ultraviolet-resistant functions, but also the functional fiber has good color fastness after being dyed, and has wide application prospect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The raw materials comprise the following components in parts by weight: 100 parts of modal fiber, 50 parts of wool fiber, 20 parts of bamboo charcoal fiber, 1 part of antibacterial modifier, 10 parts of polynosic fiber, 40005 parts of polyethylene glycol and 1 part of butyl acetate.
The antibacterial modifier is prepared from the following raw materials in parts by weight: 10 parts of graphene oxide-silver nano compound, 1 part of nano copper, 3 parts of chitosan, 1 part of lemon essential oil and 1 part of tea polyphenol.
Graphene Oxide (GO) was prepared according to the literature by the Hummers and Offeman method, and 16mL of aqueous GO (0.5g/L) dispersion was added to a 250mL round bottom flask and sonicated for 30min to uniformly disperse GO. Adding 80mL of PEI (0.8g) containing aqueous dispersion (10g/L) into the GO dispersion, uniformly mixing, heating at 60 ℃ in an oil bath, stirring for reaction for 12 hours, after the reaction is finished, performing suction filtration (with an organic filter membrane of 0.22 mu m) to collect a product, and performing suction filtration and washing with deionized water. Finally, PEI/GO was dispersed in 20mL deionized water at a concentration of 0.4g/L for future use.
Weighing 3mL of PEI/GO complex dispersion liquid (0.4g/L), adding the PEI/GO complex dispersion liquid into a 10mL round-bottom flask, adding 300 mu L of AgNO3 solution (48.56mmol/L), stirring for 5min, reacting at 100 ℃ for 2h, after the reaction is finished, enabling the reaction liquid to be brown, cooling to room temperature, centrifuging to collect a product, rotating at 12000rpm for 20min, centrifuging and washing twice to obtain the graphene oxide-silver nano complex.
The preparation method of the antibacterial spinning fabric comprises the following steps:
s1, weighing modal fibers, wool fibers, bamboo charcoal fibers, polyethylene glycol 4000 and butyl acetate in proportion, and uniformly mixing;
s2, slowly adding the antibacterial modifier and the high-strength fibers into the components, adding the components into a high-pressure homogenizer at the pressure of 13MPa, uniformly mixing at 115 ℃, spinning at the spinning speed of 1600m/min, and obtaining the light textile fibers through drawing treatment;
s3, the spinning process is as follows:
blowing and carding: conveying the light textile fibers to a blowing-carding combination machine through a bale plucker, and carding by opening cleaning and impurity removal to generate raw strips, wherein the dry weight of the raw strips is 20g/5 m;
drawing: two times of drawing and drafting are adopted, so that the fibers are mixed more uniformly and are straightened in parallel, the evenness is more uniform, the number of drawn yarns is 7, the drafting multiple is 10 times, and the weight of the cooked evenness is 15g/5 m;
roving: the number of the rough yarn is matched with that of the spun yarn, the drafting multiple is 10 times, the dry weight of the rough yarn is 7g/10 m, the twist coefficient is 100, and the spindle speed is 700 r/min;
spinning: the spun yarn is the last step of yarn formation, the drafting multiple of the spun yarn is 35 times, the dry weight of the spun yarn is 15g/1000 m, the twist is 95 twist/10 cm, the roller center distance is 50cm, and the spindle speed is 15000 r/min;
spooling: forming cone-shaped cone yarns on an automatic winder, removing thick knots and weak knots of the colored spun yarns, and enabling the winding speed to be 1200 m/min;
s4, weaving the wear-resistant textile fibers serving as warp yarns and weft yarns on an air jet loom, weaving the wear-resistant textile fibers by using 2/1 twill and 1/2 stripe lifting weave, wherein the speed is 650r/min, and the tension of the warp yarns is 3 KN;
and S5, dyeing and finishing, which sequentially comprises vat allocation, leveling, preshrinking, pre-shaping, dyeing, soaping, shaping and steaming in a tank.
Example 2
The raw materials comprise the following components in parts by weight: 120 parts of modal fiber, 100 parts of fibrilia, 30 parts of bamboo charcoal fiber, 3 parts of antibacterial modifier, 20 parts of viscose rayon, 400010 parts of polyethylene glycol and 3 parts of butyl acetate.
The antibacterial modifier is prepared from the following raw materials in parts by weight: 20 parts of graphene oxide-silver nano compound, 3 parts of nano copper, 5 parts of chitosan, 2 parts of cinnamon essential oil and 3 parts of tea polyphenol.
Graphene Oxide (GO) was prepared according to the literature by the Hummers and Offeman method, and 16mL of aqueous GO (0.5g/L) dispersion was added to a 250mL round bottom flask and sonicated for 30min to uniformly disperse GO. Adding 80mL of PEI (0.8g) containing aqueous dispersion (10g/L) into the GO dispersion, uniformly mixing, heating at 60 ℃ in an oil bath, stirring for reaction for 12 hours, after the reaction is finished, performing suction filtration (with an organic filter membrane of 0.22 mu m) to collect a product, and performing suction filtration and washing with deionized water. Finally, PEI/GO was dispersed in 20mL deionized water at a concentration of 0.4g/L for future use.
Weighing 3mL of PEI/GO complex dispersion liquid (0.4g/L), adding the PEI/GO complex dispersion liquid into a 10mL round-bottom flask, adding 300 mu L of AgNO3 solution (48.56mmol/L), stirring for 5min, reacting at 100 ℃ for 2h, after the reaction is finished, enabling the reaction liquid to be brown, cooling to room temperature, centrifuging to collect a product, rotating at 12000rpm for 20min, centrifuging and washing twice to obtain the graphene oxide-silver nano complex.
The preparation method of the antibacterial spinning fabric comprises the following steps:
s1, weighing modal fibers, fibrilia, bamboo charcoal fibers, polyethylene glycol 4000 and butyl acetate according to a proportion, and uniformly mixing;
s2, slowly adding an antibacterial modifier and viscose strong yarns into the components, adding the components into a high-pressure homogenizer at the pressure of 15MPa, uniformly mixing at 125 ℃, spinning at the spinning speed of 1700m/min, and obtaining light textile fibers through drawing treatment;
s3, the spinning process is as follows:
blowing and carding: conveying the light textile fibers to a blowing-carding combination machine through a bale plucker, and carding by opening cleaning and impurity removal to generate raw strips, wherein the dry weight of the raw strips is 20g/5 m;
drawing: two times of drawing and drafting are adopted, so that the fibers are mixed more uniformly and are straightened in parallel, the evenness is more uniform, the number of drawn yarns is 7, the drafting multiple is 10 times, and the weight of the cooked evenness is 15g/5 m;
roving: the number of the rough yarn is matched with that of the spun yarn, the drafting multiple is 10 times, the dry weight of the rough yarn is 7g/10 m, the twist coefficient is 100, and the spindle speed is 700 r/min;
spinning: the spun yarn is the last step of yarn formation, the drafting multiple of the spun yarn is 35 times, the dry weight of the spun yarn is 15g/1000 m, the twist is 95 twist/10 cm, the roller center distance is 50cm, and the spindle speed is 15000 r/min;
spooling: forming cone-shaped cone yarns on an automatic winder, removing thick knots and weak knots of the colored spun yarns, and enabling the winding speed to be 1200 m/min;
s4, weaving the wear-resistant textile fibers serving as warp yarns and weft yarns on an air jet loom, weaving the wear-resistant textile fibers by using 2/1 twill and 1/2 stripe lifting weave, wherein the speed is 670r/min, and the tension of the warp yarns is 4 KN;
and S5, dyeing and finishing, which sequentially comprises vat allocation, leveling, preshrinking, pre-shaping, dyeing, soaping, shaping and steaming in a tank.
Example 3
The raw materials comprise the following components in parts by weight: 110 parts of modal fiber, 70 parts of silk fiber, 25 parts of bamboo charcoal fiber, 2 parts of antibacterial modifier, 15 parts of viscose fiber, 40007 parts of polyethylene glycol and 2 parts of butyl acetate.
The antibacterial modifier is prepared from the following raw materials in parts by weight: 15 parts of graphene oxide-silver nano composite, 2 parts of nano copper, 4 parts of chitosan, 1.5 parts of Australian tea tree essential oil and 2 parts of tea polyphenol.
Graphene Oxide (GO) was prepared according to the literature by the Hummers and Offeman method, and 16mL of aqueous GO (0.5g/L) dispersion was added to a 250mL round bottom flask and sonicated for 30min to uniformly disperse GO. Adding 80mL of PEI (0.8g) containing aqueous dispersion (10g/L) into the GO dispersion, uniformly mixing, heating at 60 ℃ in an oil bath, stirring for reaction for 12 hours, after the reaction is finished, performing suction filtration (with an organic filter membrane of 0.22 mu m) to collect a product, and performing suction filtration and washing with deionized water. Finally, PEI/GO was dispersed in 20mL deionized water at a concentration of 0.4g/L for future use.
Weighing 3mL of PEI/GO complex dispersion liquid (0.4g/L), adding the PEI/GO complex dispersion liquid into a 10mL round-bottom flask, adding 300 mu L of AgNO3 solution (48.56mmol/L), stirring for 5min, reacting at 100 ℃ for 2h, after the reaction is finished, enabling the reaction liquid to be brown, cooling to room temperature, centrifuging to collect a product, rotating at 12000rpm for 20min, centrifuging and washing twice to obtain the graphene oxide-silver nano complex.
The preparation method of the antibacterial spinning fabric comprises the following steps:
s1, weighing modal fibers, silk fibers, bamboo charcoal fibers, polyethylene glycol 4000 and butyl acetate in proportion, and uniformly mixing;
s2, slowly adding an antibacterial modifier and viscose strong yarns into the components, adding the components into a high-pressure homogenizer at the pressure of 14MPa, uniformly mixing at 120 ℃, spinning at the spinning speed of 1650m/min, and obtaining light textile fibers through drawing treatment;
s3, the spinning process is as follows:
blowing and carding: conveying the light textile fibers to a blowing-carding combination machine through a bale plucker, and carding by opening cleaning and impurity removal to generate raw strips, wherein the dry weight of the raw strips is 20g/5 m;
drawing: two times of drawing and drafting are adopted, so that the fibers are mixed more uniformly and are straightened in parallel, the evenness is more uniform, the number of drawn yarns is 7, the drafting multiple is 10 times, and the weight of the cooked evenness is 15g/5 m;
roving: the number of the rough yarn is matched with that of the spun yarn, the drafting multiple is 10 times, the dry weight of the rough yarn is 7g/10 m, the twist coefficient is 100, and the spindle speed is 700 r/min;
spinning: the spun yarn is the last step of yarn formation, the drafting multiple of the spun yarn is 35 times, the dry weight of the spun yarn is 15g/1000 m, the twist is 95 twist/10 cm, the roller center distance is 50cm, and the spindle speed is 15000 r/min;
spooling: forming cone-shaped cone yarns on an automatic winder, removing thick knots and weak knots of the colored spun yarns, and enabling the winding speed to be 1200 m/min;
s4, weaving the wear-resistant textile fibers serving as warp yarns and weft yarns on an air jet loom, weaving the wear-resistant textile fibers by using 2/1 twill and 1/2 stripe lifting weave, wherein the speed is 660r/min, and the tension of the warp yarns is 3.5 KN;
and S5, dyeing and finishing, which sequentially comprises vat allocation, leveling, preshrinking, pre-shaping, dyeing, soaping, shaping and steaming in a tank.
Comparative example 1
The proportions in the raw material formulation are different compared to example 3.
The raw materials comprise the following components in parts by weight: 20 parts of modal fiber, 100 parts of silk fiber, 5 parts of bamboo charcoal fiber, 2 parts of antibacterial modifier, 2 parts of viscose fiber, 40001 parts of polyethylene glycol and 2 parts of butyl acetate.
The antibacterial modifier is prepared from the following raw materials in parts by weight: 1 part of graphene oxide-silver nano composite, 2 parts of nano copper, 16 parts of chitosan, 0.5 part of Australia tea tree essential oil and 5 parts of tea polyphenol.
Comparative example 2
The preparation process parameters were different compared to example 3.
The preparation method of the antibacterial spinning fabric comprises the following steps:
s1, weighing modal fibers, silk fibers, bamboo charcoal fibers, polyethylene glycol 4000 and butyl acetate in proportion, and uniformly mixing;
s2, slowly adding an antibacterial modifier and viscose strong yarns into the components, adding the components into a high-pressure homogenizer at a pressure of 2MPa, uniformly mixing at 100 ℃, spinning at a spinning speed of 550m/min, and obtaining light textile fibers through drawing treatment;
s3, the spinning process is as follows:
blowing and carding: conveying the light textile fibers to a blowing-carding combination machine through a bale plucker, and carding by opening cleaning and impurity removal to generate raw strips, wherein the dry weight of the raw strips is 10g/5 m;
drawing: two times of drawing and drafting are adopted, so that the fibers are mixed more uniformly and are straightened in parallel, the evenness is more uniform, the number of drawn yarns is 2, the drafting multiple is 5 times, and the weight of the cooked evenness is 10g/5 m;
roving: the number of the rough yarn is matched with that of the spun yarn, the drafting multiple is 5 times, the dry weight of the rough yarn is 5g/10 m, the twist coefficient is 70, and the spindle speed is 200 r/min;
spinning: the spun yarn is the last step of yarn formation, the drafting multiple of the spun yarn is 35 times, the dry weight of the spun yarn is 10g/1000 m, the twist is 70 twist/10 cm, the roller center distance is 50cm, and the spindle speed is 7000 r/min;
spooling: forming cone-shaped cone yarns on an automatic winder, removing thick knots and weak knots of the colored spun yarns, and enabling the winding speed to be 600 m/min;
s4, weaving the wear-resistant textile fibers serving as warp yarns and weft yarns on an air jet loom, weaving the wear-resistant textile fibers by using 2/1 twill and 1/2 stripe lifting weave, wherein the speed is 300r/min, and the tension of the warp yarns is 2 KN;
and S5, dyeing and finishing, which sequentially comprises vat allocation, leveling, preshrinking, pre-shaping, dyeing, soaping, shaping and steaming in a tank.
Test example 1
The antibacterial spinning fabrics prepared in the examples 1-3 and the comparative examples 1-2 of the present invention and the commercially available antibacterial spinning fabrics pass the performance test of the Zhejiang square circle test center, and the results are shown in Table 1.
As can be seen from the above table, the single yarn strength of the antibacterial spinning fabric prepared in the embodiments 1-3 of the invention is 125-132CN, and the strength is 6.2-7.1%; radial rupture strength: 727-769N, weft rupture strength: 525 ion 543N, color fastness to light: grade 3-4, color fastness to perspiration: grade 3-4, water color fastness: grade 3-4, belonging to first-class products. Is obviously superior to the similar products sold in the market.
Compared with comparative examples 1 and 2, the fabrics which have the same raw material formula but different proportions or are unsuitable for preparation parameters have obviously reduced performance, do not have obvious antibacterial performance, have lower single yarn strength, and are inferior to the fabrics prepared in examples 1 to 3 of the invention.
Compared with the prior art, the functional colored spun fiber obtained by treatment with the modifier has better antibacterial and ultraviolet-resistant functions, and although the graphene oxide-silver nano composite, the chitosan and the nano copper are all modified materials known in the field, the invention finds that the graphene oxide-silver nano composite, the chitosan and the nano copper can generate the optimal synergistic effect under the appropriate proportion, and the synergistic effect is not only reflected in the aspects of antibacterial and ultraviolet-resistant functions, but also the functional fiber has very good color fastness after being dyed, and has wide application prospect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The antibacterial spinning fabric is characterized by being prepared from the following raw materials in parts by weight: 120 parts of modal fiber, 50-100 parts of natural fiber, 20-30 parts of bamboo charcoal fiber, 1-3 parts of antibacterial modifier, 10-20 parts of viscose, 05-10 parts of polyethylene glycol 40005 and 1-3 parts of butyl acetate.
2. The antibacterial spinning fabric according to claim 1, wherein the antibacterial modifier is prepared from the following raw materials in parts by weight: 10-20 parts of graphene oxide-silver nano compound, 1-3 parts of nano copper, 3-5 parts of chitosan, 1-2 parts of plant essential oil and 1-3 parts of tea polyphenol.
3. The antibacterial spinning fabric according to claim 2, wherein the plant essential oil comprises one or more of Australian tea tree essential oil, lemon essential oil, lavender essential oil and cinnamon essential oil.
4. The antibacterial spinning fabric according to claim 1, wherein the natural fibers are selected from one or more of cotton fibers, hemp fibers, wool fibers and silk fibers.
5. The antibacterial spinning fabric according to claim 1, wherein the viscose is a high tenacity fiber or viscose high tenacity yarn.
6. A method of preparing an antibacterial spun yarn fabric as claimed in any one of claims 1 to 5, comprising the steps of:
s1, weighing modal fibers, natural fibers, bamboo charcoal fibers, polyethylene glycol 4000 and butyl acetate in proportion, and uniformly mixing;
s2, slowly adding an antibacterial modifier and viscose fibers into the components, adding the components into a high-pressure homogenizer, uniformly mixing at the temperature of 115-125 ℃, spinning at the spinning speed of 1600-1700m/min, and obtaining the light textile fibers through drawing treatment;
s3, the spinning process is as follows:
blowing and carding: conveying the light textile fibers to a blowing-carding combination machine through a bale plucker, and carding by opening cleaning and impurity removal to generate raw strips, wherein the dry weight of the raw strips is 20g/5 m;
drawing: two times of drawing and drafting are adopted, so that the fibers are mixed more uniformly and are straightened in parallel, the evenness is more uniform, the number of drawn yarns is 7, the drafting multiple is 10 times, and the weight of the cooked evenness is 15g/5 m;
roving: the number of the rough yarn is matched with that of the spun yarn, the drafting multiple is 10 times, the dry weight of the rough yarn is 7g/10 m, the twist coefficient is 100, and the spindle speed is 700 r/min;
spinning: the spun yarn is the last step of yarn formation, the drafting multiple of the spun yarn is 35 times, the dry weight of the spun yarn is 15g/1000 m, the twist is 95 twist/10 cm, the roller center distance is 50cm, and the spindle speed is 15000 r/min;
spooling: forming cone-shaped cone yarns on an automatic winder, removing thick knots and weak knots of the colored spun yarns, and enabling the winding speed to be 1200 m/min;
s4, weaving the wear-resistant textile fibers serving as warp yarns and weft yarns on an air jet loom, weaving the wear-resistant textile fibers by using 2/1 twill and 1/2 stripe lifting weave, wherein the speed is 650-670r/min, and the tension of the warp yarns is 3.0-4 KN;
and S5, dyeing and finishing, which sequentially comprises vat allocation, leveling, preshrinking, pre-shaping, dyeing, soaping, shaping and steaming in a tank.
7. The method for preparing the antibacterial spinning fabric according to claim 6, wherein the pressure of the high-pressure homogenizer in step S2 is 13-15 MPa.
8. The method for preparing the antibacterial spinning fabric according to claim 6, wherein the spinning temperature in the step S2 is 120 ℃.
9. The method for preparing the antibacterial spinning fabric according to claim 6, wherein the weaving speed in the step S3 is 660r/min, and the warp tension is 3.5 KN.
10. The preparation method of the antibacterial spinning fabric according to claim 6, wherein the warp-weft density ratio of the woven fabric in the step S3 is 1.5: 1, the warp-weft density of a finished product is 450 x 300 threads/10 cm, and the width of a door is 170 cm.
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