CN114934383B - Antibacterial and deodorant hemp blended fabric and preparation method thereof - Google Patents

Antibacterial and deodorant hemp blended fabric and preparation method thereof Download PDF

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CN114934383B
CN114934383B CN202210810845.1A CN202210810845A CN114934383B CN 114934383 B CN114934383 B CN 114934383B CN 202210810845 A CN202210810845 A CN 202210810845A CN 114934383 B CN114934383 B CN 114934383B
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deodorant
hemp
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blended fabric
fabric
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CN114934383A (en
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唐瑕
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Foshan Dajin Xingsheng Textile Co ltd
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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
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/08—Organic compounds
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • D—TEXTILES; PAPER
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    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • D—TEXTILES; PAPER
    • 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
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
    • 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
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/50—Modified hand or grip properties; Softening compositions

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  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
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  • Woven Fabrics (AREA)

Abstract

The invention discloses a bacteriostatic deodorant hemp blended fabric and a preparation method thereof. The preparation method of the bacteriostatic deodorant hemp blended fabric comprises the following steps of: blending cotton fiber, lyocell fiber and hemp fiber in proportion to prepare blended yarn; and then preparing fabric grey cloth by adopting double-sided tissue, and preparing the bacteriostatic and deodorant hemp blended fabric by boiling cloth → mercerizing → dyeing → sizing → preshrinking → adding a hand feeling auxiliary agent → singeing. Compared with the prior art, the antibacterial and deodorant hemp blended fabric prepared by the invention adopts a scientific fiber proportion, combines weaving and dyeing and finishing processes, and aims at adjusting design, so that the finished fabric has good draping feeling, refreshing and cool feeling, bright and clean cloth surface, silk-like texture, antibacterial and ultraviolet-resistant functions and good water washing resistance.

Description

Antibacterial and deodorant hemp blended fabric and preparation method thereof
Technical Field
The invention relates to the technical field of textiles, in particular to a bacteriostatic deodorant hemp blended fabric and a preparation method thereof.
Background
The fabric made of the fibers prepared from the natural cotton and linen fibers and the cellulose is a potential fertile environment for the growth and the transmission of harmful microorganisms. Due to its porosity and ability to absorb moisture, it facilitates the proliferation of bacteria and the production of unpleasant odors. Therefore, the antibacterial deodorant textile can solve the problem of bacterial reproduction and odor while maintaining the skin-friendly and breathable characteristics of natural fibers. Coating of fabrics with antimicrobial additives is the most common and effective technique for preparing antimicrobial textiles. To date, a wide range of natural and synthetic antibacterial agents have been designed and manufactured in the prior art, such as bamboo fibers, commercial antibiotics, quaternary ammonium compounds, organometallics, iodine, inorganic salts, metal nanoparticles and their salts, natural biopolymers, essential oils, ammonium salts, phenolic chloride derivatives, and the like. However, large-scale use is limited due to its detrimental effects on human health and the environment. Therefore, antibacterial agents harmless and safe to humans have been developed. Low toxicity, ultraviolet protection and stability are better than the traditional antibacterial agent in the finishing of antibacterial textiles. However, the most common drawback of the commonly used metal nanoparticles is agglomeration, which affects durability and functional uniformity of the textile.
The patent with publication number CN106592034A provides a bacteriostatic deodorant sportswear fabric and a preparation method thereof, pearl traditional Chinese medicine fibers, bamboo fibers and Coolplus fibers are blended to obtain blended fibers, and the blended fibers not only have good wearability, but also have a certain health care effect; the refined calcium carbonate microporous structure in the pearl can absorb the effective medicinal components of the traditional Chinese medicine, and the pearl and the cellulose spinning solution are blended and spun to prepare the slow-release medicinal fiber with certain efficacy on the basis of keeping the original components of the traditional Chinese medicine; the traditional Chinese medicine powder in the invention is mulberry leaf, liquorice, honeysuckle, mint and chrysanthemum morifolium ramat, and the fabric has fragrance and also has bacteriostatic and deodorant effects; by adopting the BYK-180 dispersant, a very good dispersing effect can be achieved without adding a surface modifier. However, the method mainly adopts the traditional Chinese medicine powder for antibiosis and deodorization, has the problem of poor washing fastness, and the adopted calcium carbonate microporous structure ash causes the fabric to have rough hand feeling and poor wearability.
Disclosure of Invention
In view of the defects of poor antibacterial and deodorant performance, rough hand feeling and unsusceptibility to washing of the fabric in the prior art, the invention aims to solve the technical problem that the fabric grey cloth is prepared by blending cotton fibers, lyocell fibers and hemp fibers, then the fabric grey cloth is added with a hand feeling auxiliary agent for treatment, and finally singeing and singeing are carried out to prepare the antibacterial and deodorant hemp blended fabric.
A preparation method of bacteriostatic and deodorant hemp blended fabric comprises the following steps:
step 1, spinning: uniformly mixing cotton fiber, lyocell fiber and hemp fiber in proportion, and processing into blended yarn by combing and ring spinning;
step 2, weaving: weaving the blended yarns prepared in the step 1 into grey cloth by adopting a specific tissue structure through a weaving machine;
step 3, dyeing and finishing: and (3) subjecting the grey cloth prepared in the step (2) to cloth boiling → mercerizing → dyeing → sizing → preshrinking → adding a hand feeling auxiliary agent → singeing, and thus obtaining the bacteriostatic and deodorant hemp blended fabric.
Preferably, the weight percentages of the fibers are as follows: 60-70% of cotton fibers, 25-35% of lyocell fibers and 3-10% of hemp fibers.
Further preferably, the weight percentages of the fibers are as follows: 63% of cotton fiber, 30% of lyocell fiber and 7% of hemp fiber.
Preferably, the linear density of the blended yarn in the step 1 is 60 to 80S, and the twist factor of the blended yarn is 320 to 500.
Preferably, the specific weave structure in the step 2 is a double-faced warp knitting weave.
More preferably, the double-sided warp-knitted structure is a interlock warp-knitted structure.
Preferably, the loop length of the blended yarn in the step 2 weaving is 23cm/101G.
Preferably, the loom in the step 2 is a double-faced circular knitting machine.
Preferably, the gram weight of the grey fabric in the step 2 is 180-200g/m 2 。
Preferably, the cloth boiling process in the step 3 is to boil the grey cloth in a cloth boiling pot for 3 to 4 hours, wherein the concentration of caustic soda is 25 to 30g/L, the boiling pressure is controlled to be 190kPa to 200kPa, the temperature is controlled to be 130 to 135 ℃, and after the boiling is finished, the cloth is cleaned by water.
Preferably, the mercerizing step in the step 3 is to mercerize the boiled grey cloth by using a mercerizing machine under the condition of no tension by using a sodium hydroxide aqueous solution with the concentration of 280g/L, the mercerizing time is controlled to be 20-30s, the mercerizing speed is controlled to be 100-150m/min, and then the cloth is cleaned by using water.
Preferably, the dyeing process in step 3 is as follows:
dyeing the mercerized grey cloth on a hot-melt dyeing machine, using a disperse bright yellow 6GSL dye, controlling the rolling residual rate to be 50-60%, controlling the baking and fixing temperature to be 180-220 ℃, controlling the time to be 1-2min, and cooling to 10-50 ℃ by blowing cold air after baking.
Preferably, the setting method in the step 3 comprises the following steps: the setting temperature is controlled to be 130 to 160 ℃, the machine speed is 15 to 25m/min, and the width of the setting blank is 150 to 300cm.
Preferably, the pre-shrinking parameters in step 3 are as follows: 24 to 28 percent of steam, 4 to 8 percent of overfeed, 6 to 15m/min of vehicle speed and 110 to 130 ℃.
Preferably, the process of adding the hand feeling aid in the step 3 is to wash the grey cloth with water, dry the grey cloth at 50 to 80 ℃ for 1 to 5min, and mix the hand feeling aid with water according to a mass ratio of 1: mixing 300 to 500, stirring for 10 to 20min, then carrying out ultrasound for 20 to 50min to obtain a hand feeling aid solution, soaking the grey cloth in the hand feeling aid solution, wherein the bath ratio is 3 to 5:1, performing ultrasonic irradiation at the temperature of 20 to 40 ℃ for 2 to 10min, controlling the ultrasonic power to be 200 to 400W, controlling the rolling residual rate to be 50 to 60 percent, drying at the temperature of 50 to 80 ℃ for 1 to 5min, and curing at the temperature of 120 to 150 ℃ for 1 to 5min.
Preferably, in the singeing process in the step 3, singeing the gray fabric in a forward and backward mode, wherein the cloth speed is 60 to 80m/min, the distance between the gray fabric and the reducing flame is 0.8 to 1.2cm, the distance between the gray fabric and the copper plate is 0.5 to 0.8cm, the distance between the gray fabric and the cylinder is 5 to 7cm, and the singeing grade is 4 to 5, so that the fabric is obtained.
Preferably, the wool etching process in the step 3 is to mix the fabric with 1 to 3wt% of cellulase aqueous solution according to a weight ratio of 1: and (3) mixing the components according to the mass ratio of 8 to 15, carrying out enzyme washing treatment, wherein the enzyme washing temperature is 28 to 32 ℃, the enzyme washing time is 15 to 30min, and then washing with water to inactivate enzymes after enzyme washing to obtain the antibacterial and deodorant hemp blended fabric.
The preparation method of the hand feeling auxiliary agent in the step 3 comprises the following steps of:
z1, dissolving 0.5 to 2 parts of 2, 4-dihydroxybenzaldehyde in 40 to 60 parts of 0.5 to 2wt% acetic acid aqueous solution, stirring for 0.5 to 3h to prepare a mixed solution, then adding 40 to 60 parts of absolute ethyl alcohol, stirring for 10 to 30min to obtain a reaction solution, adding 1 to 5 parts of chloropropylsilsesquioxane and 1 to 3 parts of triisopropanolamine into the reaction solution at 50 to 70 ℃, adding for 10 to 30min, and stirring for 20 to 30h at 50 to 70 ℃ to obtain an ionic liquid;
z2, adding 0.1 to 0.5 part of 5-chlorosalicylic acid into the ionic liquid prepared in the step Z1, performing ultrasonic irradiation for 2 to 5 hours at the temperature of 50 to 80 ℃, wherein the ultrasonic power is 200 to 400W, filtering and collecting a solid substance, washing the solid substance with absolute ethyl alcohol, and drying the solid substance in a vacuum oven at the temperature of 20 to 40 ℃ for 20 to 30h to obtain a composite material;
z3, gradually adding the composite material prepared in the step Z1 into 5 to 15 parts of 1 to 3mol/L sodium hydroxide aqueous solution at the speed of 0.05 to 0.2kg/min; then adding 0.5 to 0.2 part of erbium acetate (III), and carrying out ultrasonic irradiation for 15 to 30min, wherein the ultrasonic power is 200 to 400W; filtering, washing with water until the pH value of the washing water reaches 7, and drying at 80-120 ℃ for 3-8 h to obtain the hand feeling auxiliary agent.
Preferably, the irradiation treatment is performed by adopting one of ultraviolet light, plasma irradiation, high-energy ion sputtering, X-ray and gamma ray independently, and the irradiation dose is 60 to 100KGy independently.
The preparation method comprises the steps of taking 2, 4-dihydroxy benzaldehyde as a raw material, synthesizing an ionic liquid through chloropropylation of chloropropyl silsesquioxane and quaternization of triisopropanolamine, then reacting the ionic liquid with 5-chlorosalicylic acid under the condition of ultrasonic irradiation to prepare a composite material, reacting erbium acetate (III) serving as a precursor with the composite material, and interacting with hydroxyl and a phenol group to form the hand feeling auxiliary agent. Spherical and hemispherical micro particles of erbium (III) acetate are embedded into a matrix of the composite material, and meanwhile, the hand feeling auxiliary agent penetrates through the surface of the fiber and is deposited on the fabric in a small cluster mode to form a film on the surface of the fabric, so that the texture of the surface of the fabric is changed, and the rigidity of the hemp fiber is reduced. And the hairiness of the fabric has better flexibility, so that the itching feeling is reduced. Therefore, the flexibility of the fabric is increased, and the drapability of the fabric is improved.
The antibacterial performance of the fabric treated by the prepared hand feeling auxiliary agent is mainly attributed to the direct connection between the hand feeling auxiliary agent and the thiol-containing protein of bacterial and fungal cell walls. Furthermore, when the feel aid nanoparticles loaded on the facings penetrate the cell wall, they can attack the DNA units and prevent bacterial replication. In the test results, the resistance of staphylococcus aureus to the fabric was slightly higher than that of escherichia coli. This may be due primarily to differences in cell wall and peptidoglycan thickness, which are better resistant to the antibacterial facing material by gram-positive bacteria.
The better wash durability of the treated fabrics is primarily due to the stable chemical bonds between the quaternized 2, 4-dihydroxybenzaldehyde and the hydroxyl groups of the cotton fiber chains in the fabric when a high temperature curing step is used. On the basis, due to in-situ crosslinking and stable chemical connection between fiber hydroxyl groups and the prepared hand feeling auxiliary agent, no additional crosslinking agent is needed to improve washing durability. In general, the durability and stability of the feel aid coating are increased, and even after multiple washing, the loss of the feel aid coating is still small, so that the antibacterial performance after washing is not obviously reduced.
In terms of ultraviolet radiation, the ultraviolet radiation harmful to human health accounts for 5% of the solar spectrum. Ultraviolet rays can damage the skin of the human body, and ordinary fabrics cannot absorb the radiation. When the fabric is used for outdoor activities, the ultraviolet absorption fabric is needed to protect human bodies from being damaged by ultraviolet rays. The fabric with the UPF value less than 15 belongs to a non-graded fabric, has poor ultraviolet resistance and is not suitable for being worn under outdoor sunlight irradiation. Textiles with a UPF value between 15 and 50 perform well in terms of UV protection. Textiles with a UPF value above 50 are generally referred to as good uv protective textiles. The fabric is mainly cotton fiber, and the absorption capacity to UPF is lower than that of synthetic fiber. Therefore, the method for coating the inorganic nano-particles on the surface of the fabric is a method for blocking ultraviolet radiation. After the fabric is treated by the hand feeling assistant, the penetration of ultraviolet radiation is limited to a certain extent due to the hand feeling assistant coating deposited on the surface of the fabric, and the erbium (III) acetate can be used as an ultraviolet absorbent due to the large refractive index and the large surface area of the erbium (III) acetate, can generate strong ultraviolet absorption through plasma resonance and generate high-efficiency ultraviolet scattering. The fiber has strong absorption in the ultraviolet range (290 to 360nm), and the electronic excitation energy is converted into heat energy through an ultraviolet absorbent embedded in the fiber to remove oxygen and free radicals. Erbium (III) acetate can also be excited to high energy levels by high energy short wave uv radiation and subsequently converted to long wave radiation dispersion.
Due to the adoption of the technical scheme, compared with the prior art, the preparation method of the antibacterial and deodorant hemp blended fabric has the advantages that: 1) 2, 4-dihydroxy benzaldehyde is used as a raw material, chloropropylation of chloropropyl silsesquioxane is carried out, triisopropanolamine is quaternized, ionic liquid is synthesized, then the ionic liquid reacts with 5-chlorosalicylic acid under the condition of ultrasonic irradiation to prepare a composite material, erbium acetate (III) is used as a precursor to react with the composite material, and the precursor interacts with hydroxyl and a phenol group to form a hand feeling auxiliary agent, so that the scratchiness of fibers is reduced, the fabric has antibacterial and ultraviolet-resistant effects, and the water washing resistance is strong. 2) The fabric is formed by blending hemp fibers, lyocell fibers and cotton fibers according to a certain scientific proportion, and the finished fabric is good in draping feeling, refreshing, cool, smooth and clean in cloth surface and silk-like in texture by combining weaving and dyeing and finishing processes with a design aiming at adjustment.
Detailed Description
Sources of the main raw materials in the examples:
disperse light yellow 6GSL dye: south-he-county mitsung chemical, purity: 99.9 percent.
Dow amino silicone oil: guangzhou lebao silicon material ltd, ammonia value: 0.6%, viscosity (CPS): 5000-15000.
Cotton fiber: the length is 23 to 33mm, and the fineness is 1.8dtex.
Lyocell fiber: the length is 35 to 38mm, and the fineness is 1.3dtex.
Hemp fiber: the length is 15 to 25mm, and the fineness is 1.48dtex.
Cellulase: 100 to 1000U/mL.
The other raw materials which are not mentioned are common raw materials, and the grade is industrial grade or above.
Example 1
An antibacterial and deodorant hemp blended fabric is prepared by the following steps:
step 1, spinning: uniformly mixing 63kg of cotton fibers, 30kg of Lyocell fibers and 7kg of hemp fibers, combing, and processing into blended yarns by adopting a ring spinning process, wherein the linear density of the blended yarns is 70S, and the twist coefficient of the blended yarns is 400;
step 2, weaving: weaving the blended yarns prepared in the step 1 into grey cloth by a double-faced circular knitting machine by adopting a double-rib warp knitting structure, wherein the coil length of the blended yarns in weaving is 23cm/101G, and the gram weight of the grey cloth is 200G/m 2 ；
Step 3, dyeing and finishing: the grey cloth prepared in the step 2 is processed by cloth boiling → mercerizing → dyeing → sizing → preshrinking → adding a hand feeling auxiliary agent → singeing; the cloth boiling process is to boil the grey cloth in a cloth boiling pot for 3.5 hours, wherein the concentration of caustic soda is 28g/L, the boiling pressure is controlled at 195kPa, the temperature is controlled at 132 ℃, and the grey cloth is cleaned by water after the boiling is finished; the mercerizing process comprises the steps of mercerizing the boiled grey cloth by a mercerizing machine under the tension-free condition by using a sodium hydroxide aqueous solution with the concentration of 280g/L, controlling the mercerizing time to be 25s and the mercerizing speed to be 120m/min, and then cleaning the grey cloth by using water; the dyeing process comprises dyeing the mercerized grey cloth on a hot-melt dyeing machine, using disperse light yellow 6GSL dye, controlling the rolling residual rate at 55%, controlling the baking fixation temperature at 190 deg.C for 1.5min, and cooling to 50 deg.C by blowing cold air after baking; setting parameters are that the setting temperature is controlled at 140 ℃, the machine speed is 20m/min, and the width of the setting blank is 220cm; the pre-shrinking parameter is that steam is 26 percent, overfeed is 6 percent, the vehicle speed is 10m/min, and the temperature is 120 ℃; the process for adding the hand feeling auxiliary agent comprises the steps of washing the grey cloth with water, drying at 70 ℃ for 3min, and mixing the hand feeling auxiliary agent with the water according to a mass ratio of 1:400, stirring for 15min, then carrying out ultrasonic treatment for 30min, wherein the ultrasonic power is 300W, so as to obtain a hand feeling aid solution, soaking the grey cloth in the hand feeling aid solution, wherein the bath ratio is 4:1, performing ultrasonic irradiation at 30 ℃ for 5min, wherein the ultrasonic power is 300W, performing plasma irradiation, the irradiation dose is 80KGy, the rolling residual rate is controlled at 55%, drying at 70 ℃ for 3min, and curing at 130 ℃ for 2min; the singeing process is to singe the grey cloth in a forward and backward mode, the cloth speed is 70m/min, the distance between the grey cloth and the reducing flame is 1cm, the distance between the grey cloth and the copper plate is 0.6cm, the distance between the grey cloth and the cylinder is 6cm, and the singeing stage is 4 grades, so that the fabric is obtained; the wool etching procedure is to mix the fabric with 2wt% cellulase aqueous solution according to the proportion of 1:10, performing enzyme washing treatment at the enzyme washing temperature of 30 ℃ for 20min, and washing with water to inactivate enzyme after enzyme washing to obtain the antibacterial and deodorant hemp blended fabric.
The preparation method of the hand feeling auxiliary agent comprises the following steps:
z1, dissolving 1kg of 2, 4-dihydroxybenzaldehyde in 50kg of 1wt% acetic acid aqueous solution, stirring for 1h to prepare a mixed solution, adding 50kg of absolute ethyl alcohol, stirring for 15min to obtain a reaction solution, adding 3kg of chloropropyl silsesquioxane and 2kg of triisopropanolamine into the reaction solution at 60 ℃, adding for 15min, and stirring for 24h at 60 ℃ to obtain an ionic liquid;
z2, adding 0.3kg of 5-chlorosalicylic acid into the ionic liquid prepared in the step Z1, performing ultrasonic irradiation for 3 hours at 80 ℃, wherein the ultrasonic power is 300W, performing plasma irradiation, and the irradiation dose is 80KGy, filtering and collecting solid matters, then washing the solid matters with absolute ethyl alcohol, and drying the solid matters in a vacuum oven at 30 ℃ for 24 hours to obtain a composite material;
z3, gradually adding the composite material prepared in the step Z1 into 10kg of 1.5mol/L sodium hydroxide aqueous solution at the speed of 0.1 kg/min; then adding 0.1kg of erbium (III) acetate, carrying out ultrasonic irradiation for 20min with the ultrasonic power of 300W, and carrying out plasma irradiation with the irradiation dose of 80KGy; filtering, washing with water until the pH value of the washing water reaches 7, and drying at 100 ℃ for 5 hours to obtain the hand feeling auxiliary agent.
Example 2
The preparation method of the bacteriostatic deodorant hemp blended fabric is basically the same as that in the embodiment 1, and the only difference is that: the hand feeling auxiliary agents are prepared by different methods.
The preparation method of the hand feeling auxiliary agent comprises the following steps:
z1, dissolving 1kg of 2, 4-dihydroxybenzaldehyde in 50kg of 1wt% acetic acid aqueous solution, stirring for 1h to prepare a mixed solution, adding 50kg of absolute ethyl alcohol, stirring for 15min to obtain a reaction solution, adding 2kg of triisopropanolamine into the reaction solution at 60 ℃ for 15min, and stirring for 24h at 60 ℃ to obtain an ionic liquid;
z2, adding 0.3kg of 5-chlorosalicylic acid into the ionic liquid prepared in the step Z1, performing ultrasonic irradiation for 3 hours at 80 ℃, wherein the ultrasonic power is 300W, performing plasma irradiation, and the irradiation dose is 80KGy, filtering and collecting solid matters, then washing the solid matters with absolute ethyl alcohol, and drying the solid matters in a vacuum oven at 30 ℃ for 24 hours to obtain a composite material;
z3, gradually adding the composite material prepared in the step Z1 into 10kg of 1.5mol/L sodium hydroxide aqueous solution at the speed of 0.1 kg/min; then adding 0.1kg of erbium (III) acetate, carrying out ultrasonic irradiation for 20min with the ultrasonic power of 300W, and carrying out plasma irradiation with the irradiation dose of 80KGy; filtering, washing with water until the pH value of the washing water reaches 7, and drying at 100 ℃ for 5h to obtain the hand feeling auxiliary agent.
Example 3
The preparation method of the bacteriostatic deodorant hemp blended fabric is basically the same as that in the embodiment 1, and the only difference is that: the hand feeling auxiliary agents are prepared by different methods.
The preparation method of the hand feeling auxiliary agent comprises the following steps:
z1, dissolving 1kg of 2, 4-dihydroxybenzaldehyde in 50kg of 1wt% acetic acid aqueous solution, stirring for 1h to prepare a mixed solution, adding 50kg of absolute ethyl alcohol, stirring for 15min to obtain a reaction solution, adding 3kg of chloropropyl silsesquioxane into the reaction solution at 60 ℃, adding for 15min, and stirring for 24h at 60 ℃ to obtain an ionic liquid;
z2, adding 0.3kg of 5-chlorosalicylic acid into the ionic liquid prepared in the step Z1, performing ultrasonic irradiation for 3 hours at the temperature of 80 ℃, wherein the ultrasonic power is 300W, performing plasma irradiation, wherein the irradiation dose is 80KGy, filtering and collecting solid matters, washing the solid matters with absolute ethyl alcohol, and drying the solid matters in a vacuum oven at the temperature of 30 ℃ for 24 hours to obtain a composite material;
z3, gradually adding the composite material prepared in the step Z1 into 10kg of 1.5mol/L sodium hydroxide aqueous solution at the speed of 0.1 kg/min; then adding 0.1kg of erbium (III) acetate, performing ultrasonic irradiation for 20min at the ultrasonic power of 300W, and performing plasma irradiation at the irradiation dose of 80KGy; filtering, washing with water until the pH value of the washing water reaches 7, and drying at 100 ℃ for 5 hours to obtain the hand feeling auxiliary agent.
Example 4
The preparation method of the bacteriostatic deodorant hemp blended fabric is basically the same as that of the example 1, and the only difference is that: the preparation methods of the hand feeling auxiliary agent are different.
The preparation method of the hand feeling auxiliary agent comprises the following steps:
z1, dissolving 1kg of 2, 4-dihydroxybenzaldehyde in 50kg of 1wt% acetic acid aqueous solution, stirring for 1h to prepare a mixed solution, adding 50kg of absolute ethyl alcohol, stirring for 15min to obtain a reaction solution, adding 3kg of chloropropyl silsesquioxane and 2kg of triisopropanolamine into the reaction solution at 60 ℃, adding for 15min, and stirring for 24h at 60 ℃ to obtain an ionic liquid;
z2, performing ultrasonic irradiation on the ionic liquid prepared in the step Z1 at 80 ℃ for 3 hours with the ultrasonic power of 300W, performing plasma irradiation with the irradiation dose of 80KGy, filtering and collecting solid matters, washing the solid matters with absolute ethyl alcohol, and drying the solid matters in a vacuum oven at 30 ℃ for 24 hours to obtain a composite material;
z3, gradually adding the composite material prepared in the step Z1 into 10kg of 1.5mol/L sodium hydroxide aqueous solution at the speed of 0.1 kg/min; then adding 0.1kg of erbium (III) acetate, performing ultrasonic irradiation for 20min at the ultrasonic power of 300W, and performing plasma irradiation at the irradiation dose of 80KGy; filtering, washing with water until the pH value of the washing water reaches 7, and drying at 100 ℃ for 5h to obtain the hand feeling auxiliary agent.
Example 5
The preparation method of the bacteriostatic deodorant hemp blended fabric is basically the same as that of the example 1, and the only difference is that: the preparation methods of the hand feeling auxiliary agent are different.
The preparation method of the hand feeling auxiliary agent comprises the following steps:
z1, dissolving 1kg of 2, 4-dihydroxybenzaldehyde in 50kg of 1wt% acetic acid aqueous solution, stirring for 1h to prepare a mixed solution, adding 50kg of absolute ethyl alcohol, stirring for 15min to obtain a reaction solution, adding 3kg of chloropropyl silsesquioxane and 2kg of triisopropanolamine into the reaction solution at 60 ℃, adding for 15min, and stirring for 24h at 60 ℃ to obtain an ionic liquid;
z2, adding 0.3kg of 5-chlorosalicylic acid into the ionic liquid prepared in the step Z1, performing ultrasonic irradiation for 3 hours at the temperature of 80 ℃, wherein the ultrasonic power is 300W, performing plasma irradiation, wherein the irradiation dose is 80KGy, filtering and collecting solid matters, washing the solid matters with absolute ethyl alcohol, and drying the solid matters in a vacuum oven at the temperature of 30 ℃ for 24 hours to obtain a composite material;
z3, gradually adding the composite material prepared in the step Z1 into 10kg of 1.5mol/L sodium hydroxide aqueous solution at the speed of 0.1 kg/min; performing ultrasonic irradiation for 20min at the ultrasonic power of 300W by using plasma irradiation with the irradiation dose of 80KGy; filtering, washing with water until the pH value of the washing water reaches 7, and drying at 100 ℃ for 5h to obtain the hand feeling auxiliary agent.
Comparative example 1
The preparation method of the bacteriostatic deodorant hemp blended fabric is basically the same as that in the embodiment 1, and the only difference is that: the hand feeling auxiliary agent is replaced by the Dow amino silicone oil.
Comparative example 2
An antibacterial and deodorant hemp blended fabric is prepared by the following steps:
step 1, spinning: uniformly mixing 63kg of cotton fibers, 30kg of Lyocell fibers and 7kg of hemp fibers, combing, and processing into blended yarns by adopting a ring spinning process, wherein the linear density of the blended yarns is 70S, and the twist coefficient of the blended yarns is 400;
step 2, weaving: weaving the blended yarns prepared in the step 1 into grey cloth by adopting a rib knitting weave structure through a double-faced circular knitting machine, wherein the coil length of the blended yarns in weaving is 23cm/101G, and the gram weight of the grey cloth is 200G/m 2 ；
Step 3, dyeing and finishing: the grey cloth prepared in the step 2 is processed by cloth boiling → mercerizing → dyeing → sizing → preshrinking → singeing; the cloth boiling-out process is to boil out the grey cloth in a cloth boiling-out pot for 3.5 hours, wherein the concentration of caustic soda is 28g/L, the boiling-out pressure is controlled at 195kPa, the temperature is controlled at 132 ℃, and the grey cloth is cleaned by water after the boiling-out process is finished; the mercerizing process comprises the steps of mercerizing the boiled grey cloth by a mercerizing machine under the tension-free condition by using a sodium hydroxide aqueous solution with the concentration of 280g/L, controlling the mercerizing time to be 25s and the mercerizing speed to be 120m/min, and then cleaning the grey cloth by using water; dyeing the mercerized grey cloth on a hot-melt dyeing machine, using disperse light yellow 6GSL dye, controlling the rolling residual rate at 55%, controlling the temperature of baking fixation at 190 ℃ for 1.5min, and cooling to 50 ℃ by blowing cold air after baking to obtain the product; setting parameters are that the setting temperature is controlled at 140 ℃, the machine speed is 20m/min, and the width of the setting blank is 220cm; the pre-shrinking parameter is steam 26%, overfeed 6%, vehicle speed 10m/min, temperature 120 ℃; the singeing process is to singe the grey cloth in a forward and backward mode, the cloth speed is 70m/min, the distance between the grey cloth and the reducing flame is 1cm, the distance between the grey cloth and the copper plate is 0.6cm, the distance between the grey cloth and the cylinder is 6cm, and the singeing stage is 4 grades, so that the fabric is obtained; the wool etching process is to mix the fabric with 2wt% of cellulase aqueous solution according to the weight ratio of 1:10, carrying out enzyme washing treatment at the enzyme washing temperature of 30 ℃ for 20min, and washing with water to inactivate enzyme after enzyme washing to obtain the bacteriostatic and deodorant hemp blended fabric.
Test example 1
Fabric drapability test
Testing according to the testing steps in GB/T23329-2009 determination of textile fabric drapability, and adopting an XDP-1 fabric drapability tester; preparing the bacteriostatic and deodorant hemp blended fabrics of the examples and the comparative examples into circles with the diameter of 24 cm; three parts of each sample are selected for testing, the test results are averaged, and the test results are shown in table 1.
Figure 529777DEST_PATH_IMAGE001
From the fabric drapability test results, the best drapability of example 1 is probably caused by taking 2, 4-dihydroxy benzaldehyde as a raw material, performing chloropropylation of chloropropyl silsesquioxane, performing quaternization by triisopropanolamine, synthesizing an ionic liquid, then reacting with 5-chlorosalicylic acid under the condition of ultrasonic irradiation to prepare a composite material, and reacting erbium (III) acetate serving as a precursor with the composite material to interact with hydroxyl and a phenol group to form a hand feeling aid. Spherical and hemispherical micro particles of erbium (III) acetate are embedded into a matrix of the composite material, and meanwhile, the hand feeling auxiliary agent penetrates through the surface of the fiber and is deposited on the fabric in a small cluster mode to form a film on the surface of the fabric, so that the texture of the surface of the fabric is changed, and the rigidity of the hemp fiber is reduced. And the hair feather of the fabric has better lodging resistance, and reduces the itching feeling. Therefore, the flexibility of the fabric is increased, and the drapability of the fabric is improved.
Test example 2
Test of antibacterial property of fabric
The antibacterial performance refers to GB/T20944.3-2008 evaluation part 3 of antibacterial performance of textiles: the test was carried out according to the instructions of the Oscillating method, using Escherichia coli AATCC 8099, candida albicans AATCC 10231 and Staphylococcus aureus AATCC 6538 as test strains.
The test is carried out according to the test standard of GB/T3921-2008 'soaping color fastness resistance of textile color fastness test'. A piece of the sample of the examples and comparative examples was taken and sandwiched between two 40mm by 100mm single fiber cotton-lined fabrics. Preparing 5g of soap and one liter of water into soap liquid, transferring the soap liquid into a washing container, putting prepared samples into the washing container together, preheating a washing device, and carrying out washing according to a bath ratio of 50:1, washing for 30min by adopting a rinsing mode under the constant temperature condition that the solution temperature is kept at 60 +/-2 ℃. And (4) taking out the sample after the experiment is finished, washing the sample by using clean water, extruding excessive water on the sample, and drying to obtain a washed sample.
Preparing the three strains into 3 × 10 strains in sterile environment 5 cfu/mL of the culture medium. Weighing 4g of samples of the examples and the comparative examples before and after washing, cutting the samples into pieces of about 5X 5mm, putting the pieces into corresponding bacteria culture solution, taking the bacteria culture solution without the samples as a control group in the experiment, putting the broth into a shaking table with the temperature of 37 ℃ and the rotating speed of 150rpm/min, and culturing for 24h. 100 μ L of the suspension was spread on an agar plate. After 4h incubation the number of bacteria on the dishes was recorded by plate count. Three groups of each sample were tested and averaged, and the test results are shown in table 2. The antibacterial property of the fabric can be calculated by the following formula:
R=(B-A)/B×100%
wherein R represents the antibacterial rate, and A and B are respectively the bacterial concentration of the sample and the control group.
Figure 106252DEST_PATH_IMAGE002
As can be seen from the results of the antibacterial performance test of the fabric, the antibacterial performance of the fabric in example 1 is the best, probably because the ionic liquid is synthesized by using 2, 4-dihydroxy benzaldehyde as a raw material and performing chloropropylation and triisopropanolamine quaternization. Furthermore, the sodium hydroxide aqueous solution is used as a synergistic gel and a precipitator, the ultrasonic irradiation technology is helpful for accelerating the formation process of sol-gel and precipitation, the sodium hydroxide aqueous solution reacts with 5-chlorosalicylic acid to prepare a composite material, and erbium (III) acetate is used as a precursor to react with the composite material to form a hand feeling aid through interaction with hydroxyl and a phenol group. The antibacterial performance of the fabric treated by the prepared hand feeling auxiliary agent is mainly attributed to the direct connection of the hand feeling auxiliary agent and the thiol-containing protein of the cell wall of bacteria and fungi. Furthermore, when the nanoparticles of hand feel aids carried on the facing penetrate the cell wall, they can attack the DNA units and prevent bacterial replication. In the test results, the resistance of the staphylococcus aureus to the fabric was slightly higher than that of the escherichia coli. This is probably due mainly to the difference in cell wall and peptidoglycan thickness, the better resistance of gram-positive bacteria to the antibacterial facings.
The better wash durability of the treated fabrics is primarily due to the stable chemical bonds between the quaternized 2, 4-dihydroxybenzaldehyde and the hydroxyl groups of the cotton fiber chains in the fabric when a high temperature curing step is used. On the basis, due to in-situ crosslinking and stable chemical connection between fiber hydroxyl groups and the prepared hand feeling auxiliary agent, no additional crosslinking agent is needed to improve washing durability. In general, the durability and stability of the hand feeling aid coating are improved, and even after multiple times of washing, the loss of the hand feeling aid coating is still small, so that the antibacterial performance after washing is not obviously reduced.
Test example 3
Ultraviolet resistance test
And (3) testing by using a UV-1000F fabric ultraviolet resistance tester according to GB/T18830-2009 evaluation on ultraviolet resistance performance of textiles. Ultraviolet protection factor (UPF value) was used as a main evaluation index of ultraviolet resistance of the washed sample and unwashed sample in test example 2. Each set of washed and unwashed sample specimens was tested in triplicate and averaged, and the results are shown in Table 3.
Reduction ratio% = ((UPF before washing-UPF after washing)/UPF before washing) × 100
Figure 281887DEST_PATH_IMAGE003
Ultraviolet radiation harmful to human health accounts for 5% of the solar spectrum. Ultraviolet rays can damage the skin of the human body, and ordinary fabrics cannot absorb the radiation. When people do outdoor activities, the ultraviolet absorption fabric is needed to protect the human body from being damaged by ultraviolet rays. The fabric researched by the invention can absorb ultraviolet rays and has a protection effect on human skin. The fabric with the UPF value smaller than 15 belongs to a non-graded fabric, has poor ultraviolet resistance and is not suitable for being worn under outdoor sunlight. Textiles with a UPF value between 15 and 50 perform well to very well in terms of uv protection. Textiles with a UPF value above 50 are generally referred to as good uv protection textiles.
The results in table 3 show that the uv resistance of example 1 is best, probably because the fabric of the present invention after being treated with the hand feeling aid has limited the penetration of uv radiation to some extent due to the hand feeling aid coating deposited on the fabric surface, and because the refractive index and surface area of erbium (III) acetate are large, erbium (III) acetate in the present invention is used as a uv absorber, which can produce strong uv absorption through plasmon resonance and highly efficient uv scattering. The fiber has strong absorption in the ultraviolet range (290 to 360nm), and the electronic excitation energy is converted into heat energy through an ultraviolet absorbent embedded in the fiber to remove oxygen and free radicals. Erbium (III) acetate can also be excited to high energy levels by high energy short wave uv radiation and subsequently converted to long wave radiation dispersion. The coating is connected with the fiber by adopting a chemical bond and is resistant to washing, so that the UPF value reduction rate after washing is lower.

Claims (9)

1. The preparation method of the antibacterial and deodorant hemp blended fabric is characterized by comprising the following steps of:
step 1, spinning: uniformly mixing cotton fiber, lyocell fiber and hemp fiber in proportion, and processing into blended yarn by combing and ring spinning;
step 2, weaving: weaving the blended yarns prepared in the step 1 into grey cloth by adopting a specific tissue structure through a weaving machine;
step 3, dyeing and finishing: the grey cloth prepared in the step 2 is processed by cloth boiling → mercerizing → dyeing → sizing → preshrinking → adding a hand feeling auxiliary agent → singeing, and the Chinese hemp blended fabric with bacteriostasis and deodorization is obtained;
the preparation method of the hand feeling auxiliary agent in the step 3 comprises the following steps of:
z1, dissolving 0.5 to 2 parts of 2, 4-dihydroxybenzaldehyde in 40 to 60 parts of 0.5 to 2wt% acetic acid aqueous solution, stirring for 0.5 to 3h to prepare a mixed solution, then adding 40 to 60 parts of absolute ethyl alcohol, stirring for 10 to 30min to obtain a reaction solution, adding 1 to 5 parts of chloropropylsilsesquioxane and 1 to 3 parts of triisopropanolamine into the reaction solution at 50 to 70 ℃, adding for 10 to 30min, and stirring for 20 to 30h at 50 to 70 ℃ to obtain an ionic liquid;
z2, adding 0.1 to 0.5 part of 5-chlorosalicylic acid into the ionic liquid prepared in the step Z1, performing ultrasonic irradiation for 2 to 5 hours at the temperature of 50 to 80 ℃, wherein the ultrasonic power is 200 to 400W, filtering and collecting a solid substance, washing the solid substance with absolute ethyl alcohol, and drying the solid substance for 20 to 30h at the temperature of 20 to 40 ℃ to obtain a composite material;
z3, gradually adding the composite material prepared in the step Z2 into 5 to 15 parts of 1 to 3mol/L sodium hydroxide aqueous solution at the speed of 0.05 to 0.2kg/min; then adding 0.5 to 0.2 part of erbium acetate (III), and carrying out ultrasonic irradiation for 15 to 30min, wherein the ultrasonic power is 200 to 400W; filtering, washing with water until the pH value of the washing water reaches 7, and then drying at 80 to 120 ℃ for 3 to 8 hours to obtain the hand feeling auxiliary agent.
2. The preparation method of the bacteriostatic deodorant hemp blended fabric according to claim 1, wherein the weight percentage of the fibers is as follows: 60-70% of cotton fibers, 25-35% of lyocell fibers and 3-10% of hemp fibers.
3. The preparation method of the antibacterial deodorant hemp blended fabric according to claim 1 or 2, wherein the fibers are as follows in percentage by weight: 63% of cotton fiber, 30% of Lyocell fiber and 7% of hemp fiber.
4. The preparation method of the antibacterial deodorant hemp blended fabric according to claim 1, wherein the specific tissue structure in the step 2 is a double-faced warp-knitted tissue.
5. The preparation method of the bacteriostatic deodorant hemp blended fabric according to claim 1, wherein the loop length of the blended yarn in the step 2 weaving is 23cm/101G.
6. The preparation method of the bacteriostatic deodorant hemp blended fabric according to claim 1, wherein the loom in the step 2 is a double-faced circular knitting machine.
7. The preparation method of the bacteriostatic deodorant hemp blended fabric according to claim 1, wherein the process of adding the hand feeling auxiliary agent in the step 3 comprises the following steps: washing the grey fabric with water, drying at 50-80 ℃ for 1-5 min, and mixing the hand feeling auxiliary agent and the water according to a mass ratio of 1: mixing the raw materials in the ratio of 300 to 500, stirring for 10 to 20min, then carrying out ultrasonic treatment for 20 to 50min to obtain a hand feeling aid solution, soaking the grey cloth in the hand feeling aid solution, wherein the bath ratio is 3 to 5:1, performing ultrasonic irradiation at the temperature of 20 to 40 ℃ for 2 to 10min, controlling the ultrasonic power to be 200 to 400W, controlling the rolling residual rate to be 50 to 60 percent, drying at the temperature of 50 to 80 ℃ for 1 to 5min, and curing at the temperature of 120 to 150 ℃ for 1 to 5min.
8. The preparation method of the antibacterial deodorant hemp blended fabric according to claim 1 or 7, wherein the irradiation is performed independently by one of ultraviolet light, plasma irradiation, high-energy ion sputtering, X-ray and gamma-ray, and the irradiation dose is independently 60 to 100KGy.
9. The bacteriostatic and deodorant hemp blended fabric is characterized in that: the antibacterial deodorant hemp blended fabric is prepared by the preparation method of the antibacterial deodorant hemp blended fabric according to any one of claims 1 to 8.
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