CN109295538B - Antibacterial and deodorant textile fabric and preparation method thereof - Google Patents
Antibacterial and deodorant textile fabric and preparation method thereof Download PDFInfo
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- CN109295538B CN109295538B CN201811147444.2A CN201811147444A CN109295538B CN 109295538 B CN109295538 B CN 109295538B CN 201811147444 A CN201811147444 A CN 201811147444A CN 109295538 B CN109295538 B CN 109295538B
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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
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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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
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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
- D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/09—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by jets of gases
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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
- 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
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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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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Abstract
The invention relates to the technical field of textile materials, in particular to an antibacterial and deodorant textile fabric and a preparation method thereof. The antibacterial and deodorant textile fabric provided by the invention is prepared from the following raw materials in parts by weight: 30-35 parts of polyvinyl alcohol, 15-17 parts of chitosan, 14-16 parts of bamboo fiber, 8-10 parts of taiji stone powder, 5-8 parts of honeysuckle, 1-2 parts of garlic essential oil and 2-4 parts of single-layer graphene. The antibacterial and deodorant textile fabric provided by the invention has excellent antibacterial and bactericidal effects, and is soft in texture, moisture-absorbing and breathable, and high in tear strength. The preparation method provided by the invention adopts the raw materials to prepare the antibacterial and deodorant textile fabric, the process is simple, and the obtained antibacterial and deodorant textile fabric has good air permeability, antibacterial and mildewproof effects.
Description
Technical Field
The invention relates to the technical field of textile materials, in particular to an antibacterial and deodorant textile fabric and a preparation method thereof.
Background
With the improvement of living standard, people are more concerned about health and cleaning, the requirements on textiles are not only limited to wearing decoration, and the requirements on health care and other functions are continuously improved.
In daily life, many unpleasant odors such as sweat odor, body odor, cigarette odor, and oil smoke odor are often encountered. The odor is not only unpleasant in taste, but also can possibly harm the physiological function of the human body, thus posing a threat to the health of people, meanwhile, the textile can be stained with water and oil carelessly in the wearing and using processes of the human body, and can also stain a lot of sweat, sebum and other various human body secretions, and the stains not only influence the use of people, but also are good environments for the reproduction of microorganisms. With the pace of life of people becoming faster and the demand of pursuing high-quality life, textiles with self-cleaning capability are produced.
The anti-allergy textiles produced in the existing market are mostly made of non-woven fabric fibers, the comfort level of the anti-allergy textiles is relatively common, the functions are relatively single, the manufactured anti-allergy textiles generally only have the function of protecting some large dust particles, and the protection of some fine dust and some fungal germs does not have an effective protection effect, so that various allergy phenomena often occur when people use the anti-allergy textiles, and the textiles are quite inconvenient.
Disclosure of Invention
In view of the above, the invention aims to provide an antibacterial and deodorant textile fabric which has excellent antibacterial and bactericidal effects, is soft in texture, is moisture-absorbing and breathable, and has high tearing strength.
The invention also provides a preparation method of the antibacterial and deodorant textile fabric, the process is simple, and the obtained antibacterial and deodorant textile fabric has good air permeability, antibacterial and mildew-proof effects.
In order to achieve the purpose, the invention provides the following technical scheme:
an antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 30-35 parts of polyvinyl alcohol, 15-17 parts of chitosan, 14-16 parts of bamboo fiber, 8-10 parts of taiji stone powder, 5-8 parts of honeysuckle, 1-2 parts of garlic essential oil and 2-4 parts of single-layer graphene.
Preferably, the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of the chitosan is 3 multiplied by 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The preparation method of the antibacterial and deodorant textile fabric in the technical scheme comprises the following steps:
s1: adding chitosan and tai chi stone powder into 20-25 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel prepared by taking single-layer graphene, bamboo fiber and polyvinyl alcohol as raw materials, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: preparing modified smearing liquid by taking honeysuckle and garlic essential oil as raw materials, coating the modified smearing liquid on the surface of the primary textile fabric obtained in the step S2 to obtain a secondary textile fabric, and drying the secondary textile fabric through a drying device to obtain the antibacterial and deodorant textile fabric.
Preferably, the preparation method of the single-layer graphene-bamboo fiber-polyvinyl alcohol gel comprises the following steps:
s11: soaking the bamboo fibers in 1-2mol/L hydrochloric acid for 1-2h, washing the bamboo fibers to be neutral by deionized water, and drying the bamboo fibers at 90-100 ℃;
s12: dispersing the acid-treated bamboo fiber in 75% ethanol by volume fraction, adding the single-layer graphene and the polyvinyl alcohol, ultrasonically dispersing for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to obtain sol, and immersing the sol in an absolute ethanol solution to age for 4h to obtain the single-layer graphene-bamboo fiber-polyvinyl alcohol gel.
Preferably, the preparation method of the modified coating liquid comprises the following steps:
s21: grinding the honeysuckle, adding ethanol solution with volume fraction of 70% into the honeysuckle, performing ultrasonic stirring for 5 hours at 20kHz, filtering, recovering the ethanol solution, adding the garlic essential oil into the ethanol solution at room temperature, and stirring for 4 hours to obtain recovered solution for later use;
s22: and (4) heating and refluxing the recovered solution obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual solution to obtain the modified smearing solution.
Preferably, the drying device comprises at least two layers of conveying mechanisms which are arranged up and down and used for conveying the secondary textile fabric, each conveying mechanism comprises a conveying roller and a plane assembly driven by the conveying roller, a gap is formed in the plane assembly, the extending direction of the gap is perpendicular to the conveying direction of the conveying mechanism, the conveying directions of the adjacent two layers of conveying mechanisms are opposite, a drying mechanism is arranged between the adjacent two layers of conveying mechanisms, an electric heating net is arranged below the conveying mechanism positioned on the lowest layer, a plurality of fans are arranged below the electric heating net, and the air outlet direction of the fans is perpendicular to the upward direction.
Preferably, the plane component comprises two belts arranged in parallel, a plurality of metal rods are rotatably connected between the two belts, and the gap is formed between every two adjacent metal rods;
seted up on the belt and held the chamber, two hold the chamber on the belt and set up relatively, the both ends of metal pole pivoted respectively set up two on the belt hold the intracavity.
Preferably, the chamber that holds includes first cylinder die cavity and the second cylinder die cavity of mutual intercommunication, first cylinder die cavity with the coaxial setting of second cylinder die cavity, just the diameter of first cylinder die cavity is greater than the diameter of second cylinder die cavity, second cylinder die cavity link up the medial surface of belt, the both ends of metal pole respectively rotate and are connected with a carousel, the metal pole passes behind the second cylinder die cavity, the carousel rotates and sets up first cylinder type intracavity.
Preferably, the diameter of the first cylindrical cavity is larger than that of the rotary disc, and the diameter of the rotary disc is larger than that of the second cylindrical cavity.
Preferably, the drying mechanism comprises a first drying layer, a second drying layer and a third drying layer which are stacked from top to bottom;
the first drying layer comprises two layers of gauzes arranged up and down and calcium carbonate powder uniformly distributed between the two layers of gauzes;
the second drying layer comprises a plurality of layers of fiber drying agents which are arranged up and down;
the third drying layer comprises a plurality of layers of absorbent cotton arranged up and down.
According to the technical scheme, the polyvinyl alcohol is modified by the bamboo fiber and the single-layer graphene to prepare the single-layer graphene-bamboo fiber-polyvinyl alcohol gel, the bamboo fiber has a porous structure and a large specific surface area and can adsorb other components in an ion exchange or chelation mode, the single-layer graphene can form nano or submicron protrusions on the surface of the polyvinyl alcohol, the protrusions are connected with each other to form a multi-antenna structure, the contact area between the single-layer graphene and other components can be increased, the aggregation of the other components on the multi-antenna structure is facilitated, the adhesive force of the gel is improved, and the high compatibility is realized.
Taiji stone is a natural ore, the main component of which is silicon dioxide, and in addition, the taiji stone also contains a plurality of trace metal mineral elements. The high-frequency resonance frequency of the device is quite close to the resonance frequency of human cell molecules, and the device can assist the human body to absorb and supplement magnetic field energy released by the natural magnetic field of the earth and promote the human body to absorb and gather positive energy. The Taiji stone can release far infrared ray, the emissivity is as high as 93.36%, and the Taiji stone can promote blood microcirculation and metabolism. In addition, taiji stone has the effects of ultraviolet resistance, antibiosis and the like, and has various excellent health-care functions. The single-layer graphene-bamboo fiber-polyvinyl alcohol gel is blended with the taiji stone, the service life, the functions and the stability of a composite fiber material can be enhanced, chitosan has the characteristics of biocompatibility and large adsorption capacity, amino and hydroxyl are contained in chitosan molecules, a water solution of the chitosan is a cationic electrolyte and has a good flocculation effect, the amino of the chitosan has a cation exchange function and can be efficiently chelated with metal ions in the taiji stone, and after the chitosan is further crosslinked with the gel, the specific surface area and the pore volume of the gel can be increased after crosslinking, so that the adsorption performance is improved, and the overall performance of the textile fabric is greatly enhanced. The modified smearing liquid is prepared from honeysuckle and garlic essential oil, wherein the honeysuckle contains chlorogenic acid, luteolin glycoside and other pharmacological active ingredients, and has strong inhibitory power on hemolytic streptococcus, staphylococcus aureus and other pathogenic bacteria. And finally, through multi-layer and multi-time drying, the textile fabric can be fully dried on the premise of not prolonging the drying time, so that the efficiency is higher. In addition, compare with traditional disposable stoving, drying device can reduce the temperature of hot-air to avoid causing the damage because hot-air high temperature to textile fabric.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a drying apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a conveying mechanism of a drying device provided in an embodiment of the present invention;
fig. 3 is a partially enlarged view of fig. 2.
Wherein the reference numbers in the figures are as follows: 1-secondary textile fabric, 2-plane component, 3-conveying roller, 4-first drying layer, 5-second drying layer, 6-third drying layer, 7-middle roller, 8-electric heating net, 9-fan, 10-belt, 11-containing cavity, 12-turntable, 13-metal rod and 14-steel rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
As shown in fig. 1-3, fig. 1 is a schematic view of an overall structure of a drying device according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a conveying mechanism of a drying device provided in an embodiment of the present invention; fig. 3 is a partially enlarged view of fig. 2.
The raw materials adopted in the embodiment of the invention, namely polyvinyl alcohol, chitosan, bamboo fiber, taiji stone powder, honeysuckle, garlic essential oil and single-layer graphene, are all commercially available, and are not repeated herein, wherein the specific collection area of honeysuckle does not make specific requirements. The double-screw extruder in the embodiment of the invention is the existing equipment; the processes of plasticating, drawing, cutting and spinning textile fibers are prior art.
Example 1
An antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 35 parts of polyvinyl alcohol, 17 parts of chitosan, 16 parts of bamboo fiber, 10 parts of taiji stone powder, 8 parts of honeysuckle, 2 parts of garlic essential oil and 4 parts of single-layer graphene.
Wherein the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of chitosan is 3 × 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The specific steps of preparing the antibacterial and deodorant textile fabric by adopting the raw materials comprise:
s1: adding chitosan and taiji stone powder into 25 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
the preparation method of the single-layer graphene-bamboo fiber-polyvinyl alcohol gel comprises the following steps:
s11: soaking bamboo fiber in 2mol/L hydrochloric acid for 2h, washing with deionized water to neutrality, and drying at 100 deg.C;
s12: dispersing the acid-treated bamboo fiber in 75% ethanol by volume fraction, adding single-layer graphene and polyvinyl alcohol, performing ultrasonic dispersion for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for reaction for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to prepare sol, and then immersing the sol in an absolute ethanol solution for aging for 4h to prepare single-layer graphene-bamboo fiber-polyvinyl alcohol gel;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: and (5) coating the surface of the primary textile fabric obtained in the step (S2) with the modified smearing liquid to obtain a secondary textile fabric, and drying the secondary textile fabric through a drying device to obtain the antibacterial and deodorant textile fabric.
The preparation method of the modified smearing liquid comprises the following steps:
s21: grinding flos Lonicerae, adding 70% ethanol solution with volume fraction, ultrasonic stirring at 20kHz for 5 hr, filtering, recovering ethanol solution, adding Bulbus Allii essential oil into ethanol solution at room temperature, and stirring for 4 hr to obtain recovered solution;
s22: and (4) heating and refluxing the recovered liquid obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual liquid to obtain the modified smearing liquid.
Example 2
An antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 30 parts of polyvinyl alcohol, 15 parts of chitosan, 14 parts of bamboo fiber, 8 parts of taiji stone powder, 5 parts of honeysuckle, 1 part of garlic essential oil and 2 parts of single-layer graphene.
Wherein the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of chitosan is 3 × 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The specific steps of preparing the antibacterial and deodorant textile fabric by adopting the raw materials comprise:
s1: adding chitosan and taiji stone powder into 20 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
the preparation method of the single-layer graphene-bamboo fiber-polyvinyl alcohol gel comprises the following steps:
s11: soaking bamboo fiber in 1mol/L hydrochloric acid for 1h, washing with deionized water to neutrality, and drying at 90 deg.C;
s12: dispersing the acid-treated bamboo fiber in 75% ethanol by volume fraction, adding single-layer graphene and polyvinyl alcohol, performing ultrasonic dispersion for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for reaction for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to prepare sol, and then immersing the sol in an absolute ethanol solution for aging for 4h to prepare single-layer graphene-bamboo fiber-polyvinyl alcohol gel;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: and (5) coating the surface of the primary textile fabric obtained in the step (S2) with the modified smearing liquid to obtain a secondary textile fabric, and drying the secondary textile fabric through a drying device to obtain the antibacterial and deodorant textile fabric.
The preparation method of the modified smearing liquid comprises the following steps:
s21: grinding flos Lonicerae, adding 70% ethanol solution with volume fraction, ultrasonic stirring at 20kHz for 5 hr, filtering, recovering ethanol solution, adding Bulbus Allii essential oil into ethanol solution at room temperature, and stirring for 4 hr to obtain recovered solution;
s22: and (4) heating and refluxing the recovered liquid obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual liquid to obtain the modified smearing liquid.
Example 3
An antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 35 parts of polyvinyl alcohol, 15 parts of chitosan, 16 parts of bamboo fiber, 8 parts of taiji stone powder, 8 parts of honeysuckle, 1 part of garlic essential oil and 2 parts of single-layer graphene.
Wherein the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of chitosan is 3 × 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The specific steps of preparing the antibacterial and deodorant textile fabric by adopting the raw materials comprise:
s1: adding chitosan and taiji stone powder into 22 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
the preparation method of the single-layer graphene-bamboo fiber-polyvinyl alcohol gel comprises the following steps:
s11: soaking bamboo fiber in 1.5mol/L hydrochloric acid for 1.5h, washing with deionized water to neutrality, and drying at 100 deg.C;
s12: dispersing the acid-treated bamboo fiber in 75% ethanol by volume fraction, adding single-layer graphene and polyvinyl alcohol, performing ultrasonic dispersion for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for reaction for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to prepare sol, and then immersing the sol in an absolute ethanol solution for aging for 4h to prepare single-layer graphene-bamboo fiber-polyvinyl alcohol gel;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: and (5) coating the surface of the primary textile fabric obtained in the step (S2) with the modified smearing liquid to obtain a secondary textile fabric, and drying the secondary textile fabric through a drying device to obtain the antibacterial and deodorant textile fabric.
The preparation method of the modified smearing liquid comprises the following steps:
s21: grinding flos Lonicerae, adding 70% ethanol solution with volume fraction, ultrasonic stirring at 20kHz for 5 hr, filtering, recovering ethanol solution, adding Bulbus Allii essential oil into ethanol solution at room temperature, and stirring for 4 hr to obtain recovered solution;
s22: and (4) heating and refluxing the recovered liquid obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual liquid to obtain the modified smearing liquid.
Example 4
An antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 30 parts of polyvinyl alcohol, 16 parts of chitosan, 15 parts of bamboo fiber, 10 parts of taiji stone powder, 6 parts of honeysuckle, 1.5 parts of garlic essential oil and 4 parts of single-layer graphene.
Wherein the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of chitosan is 3 × 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The specific steps of preparing the antibacterial and deodorant textile fabric by adopting the raw materials comprise:
s1: adding chitosan and taiji stone powder into 24 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
the preparation method of the single-layer graphene-bamboo fiber-polyvinyl alcohol gel comprises the following steps:
s11: soaking bamboo fiber in 2mol/L hydrochloric acid for 2h, washing with deionized water to neutrality, and drying at 95 deg.C;
s12: dispersing the acid-treated bamboo fiber in 75% ethanol by volume fraction, adding single-layer graphene and polyvinyl alcohol, performing ultrasonic dispersion for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for reaction for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to prepare sol, and then immersing the sol in an absolute ethanol solution for aging for 4h to prepare single-layer graphene-bamboo fiber-polyvinyl alcohol gel;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: and (5) coating the surface of the primary textile fabric obtained in the step (S2) with the modified smearing liquid to obtain a secondary textile fabric, and drying the secondary textile fabric through a drying device to obtain the antibacterial and deodorant textile fabric.
The preparation method of the modified smearing liquid comprises the following steps:
s21: grinding flos Lonicerae, adding 70% ethanol solution with volume fraction, ultrasonic stirring at 20kHz for 5 hr, filtering, recovering ethanol solution, adding Bulbus Allii essential oil into ethanol solution at room temperature, and stirring for 4 hr to obtain recovered solution;
s22: and (4) heating and refluxing the recovered liquid obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual liquid to obtain the modified smearing liquid.
Example 5
An antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 31 parts of polyvinyl alcohol, 16 parts of chitosan, 15 parts of bamboo fiber, 9 parts of taiji stone powder, 7 parts of honeysuckle, 2 parts of garlic essential oil and 2.5 parts of single-layer graphene.
Wherein the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of chitosan is 3 × 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The specific steps of preparing the antibacterial and deodorant textile fabric by adopting the raw materials comprise:
s1: adding chitosan and taiji stone powder into 23 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
the preparation method of the single-layer graphene-bamboo fiber-polyvinyl alcohol gel comprises the following steps:
s11: soaking bamboo fiber in 2mol/L hydrochloric acid for 2h, washing with deionized water to neutrality, and drying at 100 deg.C;
s12: dispersing the acid-treated bamboo fiber in 75% ethanol by volume fraction, adding single-layer graphene and polyvinyl alcohol, performing ultrasonic dispersion for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for reaction for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to prepare sol, and then immersing the sol in an absolute ethanol solution for aging for 4h to prepare single-layer graphene-bamboo fiber-polyvinyl alcohol gel;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: and (5) coating the surface of the primary textile fabric obtained in the step (S2) with the modified smearing liquid to obtain a secondary textile fabric, and drying the secondary textile fabric through a drying device to obtain the antibacterial and deodorant textile fabric.
The preparation method of the modified smearing liquid comprises the following steps:
s21: grinding flos Lonicerae, adding 70% ethanol solution with volume fraction, ultrasonic stirring at 20kHz for 5 hr, filtering, recovering ethanol solution, adding Bulbus Allii essential oil into ethanol solution at room temperature, and stirring for 4 hr to obtain recovered solution;
s22: and (4) heating and refluxing the recovered liquid obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual liquid to obtain the modified smearing liquid.
Comparative example 1
Comparative example 1 is substantially the same as example 1 except that: preparing no single-layer graphene-bamboo fiber-polyvinyl alcohol gel, namely:
an antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 35 parts of polyvinyl alcohol, 17 parts of chitosan, 16 parts of bamboo fiber, 10 parts of taiji stone powder, 8 parts of honeysuckle, 2 parts of garlic essential oil and 4 parts of single-layer graphene.
Wherein the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of chitosan is 3 × 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The specific steps of preparing the antibacterial and deodorant textile fabric by adopting the raw materials comprise:
s1: adding chitosan and tai chi stone powder into 25 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene, bamboo fiber and polyvinyl alcohol, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: and (5) coating the surface of the primary textile fabric obtained in the step (S2) with the modified smearing liquid to obtain a secondary textile fabric, and drying the secondary textile fabric through a drying device to obtain the antibacterial and deodorant textile fabric.
The preparation method of the modified smearing liquid comprises the following steps:
s21: grinding flos Lonicerae, adding 70% ethanol solution with volume fraction, ultrasonic stirring at 20kHz for 5 hr, filtering, recovering ethanol solution, adding Bulbus Allii essential oil into ethanol solution at room temperature, and stirring for 4 hr to obtain recovered solution;
s22: and (4) heating and refluxing the recovered liquid obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual liquid to obtain the modified smearing liquid.
Comparative example 2
Comparative example 2 is substantially the same as example 1 except that: the surface of the primary textile fabric is not coated with modified smearing liquid, and the fabric placed for the first time is directly dried, namely:
an antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 35 parts of polyvinyl alcohol, 17 parts of chitosan, 16 parts of bamboo fiber, 10 parts of taiji stone powder and 4 parts of single-layer graphene.
Wherein the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of chitosan is 3 × 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The specific steps of preparing the antibacterial and deodorant textile fabric by adopting the raw materials comprise:
s1: adding chitosan and taiji stone powder into 25 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
the preparation method of the single-layer graphene-bamboo fiber-polyvinyl alcohol gel comprises the following steps:
s11: soaking bamboo fiber in 2mol/L hydrochloric acid for 2h, washing with deionized water to neutrality, and drying at 100 deg.C;
s12: dispersing the acid-treated bamboo fiber in 75% ethanol by volume fraction, adding single-layer graphene and polyvinyl alcohol, performing ultrasonic dispersion for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for reaction for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to prepare sol, and then immersing the sol in an absolute ethanol solution for aging for 4h to prepare single-layer graphene-bamboo fiber-polyvinyl alcohol gel;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: and (5) drying the primary textile fabric obtained in the step (S2) by using a drying device to obtain the antibacterial and deodorant textile fabric.
Comparative example 3
Comparative example 3 is substantially the same as example 1 except that: the drying device in comparative example 3 adopts current drying equipment to dry, promptly:
an antibacterial and deodorant textile fabric is prepared from the following raw materials in parts by weight: 35 parts of polyvinyl alcohol, 17 parts of chitosan, 16 parts of bamboo fiber, 10 parts of taiji stone powder, 8 parts of honeysuckle, 2 parts of garlic essential oil and 4 parts of single-layer graphene.
Wherein the diameter of the tai chi stone powder is 20mm-50 mm; the weight average molecular weight of chitosan is 3 × 105-5×105And a viscosity at 25 ℃ of 0.8 to 1 Pas.
The specific steps of preparing the antibacterial and deodorant textile fabric by adopting the raw materials comprise:
s1: adding chitosan and taiji stone powder into 25 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
the preparation method of the single-layer graphene-bamboo fiber-polyvinyl alcohol gel comprises the following steps:
s11: soaking bamboo fiber in 2mol/L hydrochloric acid for 2h, washing with deionized water to neutrality, and drying at 100 deg.C;
s12: dispersing the acid-treated bamboo fiber in 75% ethanol by volume fraction, adding single-layer graphene and polyvinyl alcohol, performing ultrasonic dispersion for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for reaction for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to prepare sol, and then immersing the sol in an absolute ethanol solution for aging for 4h to prepare single-layer graphene-bamboo fiber-polyvinyl alcohol gel;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: and (5) coating the surface of the primary textile fabric obtained in the step (S2) with the modified coating liquid to obtain a secondary textile fabric, and drying the secondary textile fabric through the existing drying equipment to obtain the antibacterial and deodorant textile fabric.
The preparation method of the modified smearing liquid comprises the following steps:
s21: grinding flos Lonicerae, adding 70% ethanol solution with volume fraction, ultrasonic stirring at 20kHz for 5 hr, filtering, recovering ethanol solution, adding Bulbus Allii essential oil into ethanol solution at room temperature, and stirring for 4 hr to obtain recovered solution;
s22: and (4) heating and refluxing the recovered liquid obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual liquid to obtain the modified smearing liquid.
The same drying device is used in each of the above embodiments 1 to 5 and the comparative examples 1 to 2, wherein the drying device includes at least two layers of conveying mechanisms arranged up and down and used for conveying the secondary textile fabric 1, each conveying mechanism includes a conveying roller 3 and a plane component 2 driven by the conveying roller 3, a gap is arranged on the plane component 2, the extending direction of the gap is perpendicular to the conveying direction of the conveying mechanism, the conveying directions of the two adjacent layers of conveying mechanisms are opposite, a drying mechanism is arranged between the two adjacent layers of conveying mechanisms, an electric heating net 8 is arranged below the conveying mechanism on the lowest layer, a plurality of fans 9 are arranged below the electric heating net 8, and the air outlet direction of the fans 9 is perpendicular to the upward direction.
When the secondary textile fabric 1 is used, the secondary textile fabric passes through all the conveying mechanisms in sequence, and the conveying direction is changed when the secondary textile fabric moves from one conveying mechanism to another conveying mechanism each time, so that a snake-shaped moving track is formed finally. In the process that secondary textile fabric 1 removed, electric heat net 8 starts the intensification, fan 9 blows the air to electric heat net 8, the air meets electric heat net 8 of high temperature and is heated and becomes hot-air, hot-air upwards passes the space on the plane subassembly 2 and blows to secondary textile fabric 1 on, dry secondary textile fabric 1, the temperature of hot-air reduces after the stoving, humidity risees simultaneously, then continue to flow upwards, by its drying when drying mechanism, eliminate moisture wherein, later pass the clearance on last layer transport mechanism's the plane subassembly 2, dry secondary textile fabric 1 on this layer transport mechanism.
According to the above-mentioned process, the hot-air is every through one deck transport mechanism after the temperature all can reduce, and drying capacity descends gradually, but can preheat the secondary textile fabric 1 on upper strata, through multilayer like this, a lot of stoving, can guarantee to dry secondary textile fabric 1 fully under the prerequisite that does not prolong drying time, therefore efficiency is higher. In addition, compare with traditional disposable stoving, can reduce the temperature of hot-air to avoid causing the damage because hot-air high temperature to textile fabric 1. And in the two adjacent layers of conveying mechanisms, the starting end of the lower conveying mechanism is also provided with an intermediate roller 7, and the intermediate roller 7 is used for guiding the secondary textile fabric 1 from the upper-layer drying mechanism to the lower-layer conveying mechanism.
The plane component 2 comprises two belts 10 which are arranged in parallel, a plurality of metal rods 13 are rotatably connected between the two belts 10, and a gap is formed between every two adjacent metal rods 13. On one hand, the metal rod 13 can form a gap for flowing hot air, and on the other hand, because the specific heat capacity is lower and the temperature rise is faster, the temperature of the metal rod 13 also rises when the hot air flows, and the metal rod can play a role in assisting in heating the secondary textile fabric 1. In practical applications, the metal rod 13 may be made of stainless steel. Seted up on belt 10 and held chamber 11, the chamber 11 that holds on two belts 10 sets up relatively, and the both ends of metal pole 13 rotate respectively and set up in the chamber 11 that holds on two belts 10. When the belt 10 turns, force may be applied to the metal rod 13, and deformation may be easily caused for a long time, and this can be avoided by rotatably disposing both ends of the metal rod 13 in the belt 10. The specific rotation setting mode is as follows: hold chamber 11 and include the first cylinder die cavity and the second cylinder die cavity that communicate each other, first cylinder die cavity and the coaxial setting of second cylinder die cavity, and the diameter of first cylinder die cavity is greater than the diameter of second cylinder die cavity, second cylinder die cavity link up the medial surface of belt 10, the both ends of metal pole 13 respectively rotate and are connected with a carousel 12, after metal pole 13 passed second cylinder die cavity, carousel 12 rotated and sets up at first cylinder type intracavity, the diameter of first cylinder die cavity is greater than the diameter of carousel 12, the diameter of carousel 12 is greater than the diameter of second cylinder die cavity. Steel cables 14 are wound between all the metal rods 13. The steel cords 14 prevent the textile fabric 1 from falling out of the gap between two adjacent metal bars 13. The drying means comprise a first drying layer 4, a second drying layer 5 and a third drying layer 6 stacked from top to bottom. The first drying layer 4 comprises two layers of gauzes arranged up and down and calcium carbonate powder uniformly distributed between the two layers of gauzes. The second desiccant layer 5 comprises a plurality of layers of fibrous desiccants arranged one above the other. The third drying layer 6 comprises a plurality of layers of absorbent cotton arranged one above the other. Through setting up dry mechanism, can constantly absorb the steam of mixing in the hot-air, avoid the secondary textile fabric 1 on upper strata to be humidified. After a period of time, the drying mechanism can be detached for replacement, and the replaced drying mechanism is dried in other drying modes for next use.
The textile fabrics obtained from examples 1 to 5 and comparative examples 1 to 3 were subjected to a performance test, see table 1 below, in which the air permeability was tested according to ASTM D737; the antibacterial performance is determined according to GB/T20944.3-2008, evaluation 3 part of antibacterial performance of textiles; detecting and evaluating far infrared performance of the textile according to GB/T20127-2013; the mildew resistance was tested according to the BSEN14119-2003 standard.
Table 1 shows the comparison of the main parameters of the antibacterial and deodorant textile fabric
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The antibacterial and deodorant textile fabric is characterized by being prepared from the following raw materials in parts by weight: 30-35 parts of polyvinyl alcohol, 15-17 parts of chitosan, 14-16 parts of bamboo fiber, 8-10 parts of taiji stone powder, 5-8 parts of honeysuckle, 1-2 parts of garlic essential oil and 2-4 parts of single-layer graphene; the weight average molecular weight of the chitosan is 3 multiplied by 105-5×105A viscosity at 25 ℃ of 0.8 to 1 Pas;
the specific steps for preparing the antibacterial and deodorant textile fabric comprise:
s1: adding chitosan and tai chi stone powder into 20-25 parts by weight of distilled water, uniformly stirring, then adding single-layer graphene-bamboo fiber-polyvinyl alcohol gel prepared by taking single-layer graphene, bamboo fiber and polyvinyl alcohol as raw materials, stirring for 12 hours, putting into a double-screw extruder, mixing for 6min, and carrying out melt spinning at 180 ℃ to obtain spinning fiber;
in step S1, the single-layer graphene-bamboo fiber-polyvinyl alcohol gel is specifically prepared according to the following steps:
s11: soaking the bamboo fibers in 1-2mol/L hydrochloric acid for 1-2h, washing the bamboo fibers to be neutral by deionized water, and drying the bamboo fibers at 90-100 ℃;
s12: dispersing the bamboo fiber subjected to acid treatment in ethanol with the volume fraction of 75%, adding the single-layer graphene and the polyvinyl alcohol, performing ultrasonic dispersion for 30min, adding hydrochloric acid to control the pH value of the solution to be 3.0-4.0, stirring for 12h, adding ammonia water to adjust the pH value to be 7.0-8.0, stirring for 10min to obtain sol, and then immersing the sol in an absolute ethanol solution to age for 4h to obtain the single-layer graphene-bamboo fiber-polyvinyl alcohol gel;
s2: plasticizing, stretching, cutting and spinning the textile fiber obtained in the step S1 to obtain a primary textile fabric;
s3: preparing modified smearing liquid by using honeysuckle and garlic essential oil as raw materials, coating the modified smearing liquid on the surface of the primary textile fabric obtained in the step S2 to obtain a secondary textile fabric, and drying the secondary textile fabric through a drying device to obtain the antibacterial and deodorant textile fabric.
2. The antibacterial and deodorant textile fabric according to claim 1, wherein the preparation method of the modified coating liquid comprises the following steps:
s21: grinding the honeysuckle, adding ethanol solution with volume fraction of 70% into the honeysuckle, performing ultrasonic stirring for 5 hours at 20kHz, filtering, recovering the ethanol solution, adding the garlic essential oil into the ethanol solution at room temperature, and stirring for 4 hours to obtain recovered solution for later use;
s22: and (4) heating and refluxing the recovered solution obtained in the step (S21) at 70 ℃ for 50 minutes, and taking the residual solution to obtain the modified smearing solution.
3. The antibacterial and deodorant textile fabric according to claim 1, wherein the drying device comprises at least two layers of conveying mechanisms arranged above and below for conveying the secondary textile fabric, the conveying mechanisms comprise conveying rollers and plane components driven by the conveying rollers, gaps are arranged on the plane components, the extending directions of the gaps are perpendicular to the conveying direction of the conveying mechanisms, the conveying directions of the two adjacent layers of conveying mechanisms are opposite, drying mechanisms are arranged between the two adjacent layers of conveying mechanisms, an electric heating net is arranged below the conveying mechanism positioned on the lowest layer, a plurality of fans are arranged below the electric heating net, and the air outlet directions of the fans are vertical upwards.
4. The antibacterial and deodorant textile fabric according to claim 3, wherein the planar assembly comprises two belts arranged in parallel, a plurality of metal rods are rotatably connected between the two belts, and the gap is formed between two adjacent metal rods;
seted up on the belt and held the chamber, two hold the chamber on the belt and set up relatively, the both ends of metal pole pivoted respectively set up two on the belt hold the intracavity.
5. The method for preparing an antibacterial and deodorant textile fabric according to claim 4, wherein the accommodating cavity comprises a first cylindrical cavity and a second cylindrical cavity which are communicated with each other, the first cylindrical cavity and the second cylindrical cavity are coaxially arranged, the diameter of the first cylindrical cavity is larger than that of the second cylindrical cavity, the second cylindrical cavity penetrates through the inner side face of the belt, two ends of the metal rod are respectively and rotatably connected with a rotating disc, and after the metal rod penetrates through the second cylindrical cavity, the rotating discs are rotatably arranged in the first cylindrical cavity.
6. The method of making an antimicrobial and deodorizing textile fabric according to claim 5, wherein the diameter of the first cylindrical cavity is greater than the diameter of the turntable, and the diameter of the turntable is greater than the diameter of the second cylindrical cavity.
7. The method of manufacturing an antibacterial and deodorant textile fabric according to claim 6, wherein the drying mechanism includes a first drying layer, a second drying layer and a third drying layer which are stacked from top to bottom;
the first drying layer comprises two layers of gauzes arranged up and down and calcium carbonate powder uniformly distributed between the two layers of gauzes;
the second drying layer comprises a plurality of layers of fiber drying agents which are arranged up and down;
the third drying layer comprises a plurality of layers of absorbent cotton arranged up and down.
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