Preparation method of functional silk woven fabric with jacquard effect

Abstract

The invention discloses a preparation method of a functional silk woven fabric with a jacquard effect, and relates to the technical field of fabric production.The preparation method comprises the steps of raw material preparation, antibacterial agent preparation, fiber pretreatment, fiber blending, jacquard weaving, finishing, inspection and packaging. In the fiber pretreatment step, polyester fibers, cotton fibers, silk fibers and aramid fibers are pretreated respectively. By introducing plasma treatment and ultraviolet radiation advanced technologies, the silk fabric is pretreated before finishing, plasma treatment can improve physical and chemical properties of the surface of the fabric and increase adsorption sites and binding force of a finishing agent, follow-up functional treatment is facilitated, a flame retardant and an anti-wrinkle agent are combined with fibers more firmly, and the flame retardant and the anti-wrinkle agent are not prone to falling off. The ultraviolet irradiation can initiate a chemical reaction on the surface of the fabric, so that active species such as free radicals are generated on the surface of the fiber.

Description

Technical Field

[0001] The invention relates to the technical field of fabric production, in particular to a method for preparing a functional silk fabric with jacquard effect. Background Art

[0002] Jacquard functional silk fabric is the product of combining jacquard technology with functional finishing, which makes the silk fabric have both exquisite jacquard patterns and various special functions, such as antibacterial and antibacterial jacquard silk fabric, UV protection jacquard silk fabric, moisture wicking jacquard silk fabric, flame retardant jacquard silk fabric, etc. Although the existing functional jacquard silk fabric has certain antibacterial properties, the antibacterial properties of the fabric will decay rapidly after long-term use.

[0003] The defects of existing jacquard silk fabrics are: Patent document CN108914574B discloses a method for preparing wrinkle-resistant and shrink-resistant silk fabrics, which mainly considers how to improve the wrinkle-resistant performance of the fabric, but does not consider how to increase the bonding force between the fabric and the finishing agent, so as to facilitate the fabric to be firmly bonded with the functional finishing agent, thereby improving the functionality and durability of the fabric; Application document CN116556059A discloses a method for preparing a functional polyester fabric, which mainly considers how to make the fabric have the effect of moisture absorption and heat preservation, and at the same time, can self-heat to achieve the effect of heat preservation, but does not consider how the fabric can release the internal antibacterial agent to exert the antibacterial property when subjected to external stimuli; Application document CN117286653A discloses a method for preparing functional knitted fabrics, which mainly considers how to ensure the adsorption effect of dyes and auxiliaries, ensure the coloring effect of fabrics, increase the functionality of fabrics, enhance the use effect and fabric quality, and reduce processing steps and time consumption, but does not consider how to prolong the antibacterial performance of fabrics, and continuously release antibacterial components for a long time to maintain the antibacterial effect; Patent document CN107475881B discloses a four-thread jacquard antibacterial functional fabric for sweatshirts and a preparation method thereof. It mainly considers incorporating a fourth antibacterial functional yarn to increase the antibacterial function of the fabric, but does not consider how to reduce the uneven distribution of flame retardants and anti-wrinkle agents on the jacquard fabric. Summary of the invention

[0004] The object of the present invention is to provide a method for preparing a functional silk fabric with jacquard effect, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a method for preparing a functional silk fabric with a jacquard effect, comprising raw material preparation, antibacterial agent preparation, fiber pretreatment, fiber blending, jacquard weaving, finishing, inspection and packaging, wherein the antibacterial agent preparation adopts complex coagulation technology to prepare a microcapsule nano antibacterial finishing liquid, the fiber pretreatment pretreats polyester fiber, cotton fiber, silk fiber and aramid fiber respectively, the fiber blending uses a ring spinning machine to mix and spin the pretreated polyester fiber, cotton fiber, silk fiber and aramid fiber into yarn, the jacquard weaving uses a jacquard loom to weave the yarn into a fabric with jacquard, the pretreatment adopts plasma and ultraviolet irradiation technology to treat the jacquard fabric before finishing, the functional finishing is used to finish the flame retardancy and wrinkle resistance of the jacquard fabric, and the inspection and packaging are used to perform functional testing and packaging treatment on the prepared jacquard silk fabric; The finishing includes pre-treatment, functional finishing and post-treatment; The pre-treatment includes plasma treatment and ultraviolet irradiation; Plasma treatment: Place the woven fabric with jacquard into the plasma treatment equipment, extract the air in the reaction chamber, and reduce the pressure in the chamber to 10 within 10 minutes. -2 Pa, then introduce argon, where the gas flow rate is 40-50sccm, the processing power is 200-250W, and the processing time is 4-6min. After that, the fabric is taken out and cleaned with deionized water, and then baked at 20-30℃ for 20-60min; Ultraviolet irradiation: Place the plasma-treated fabric in the irradiation area of ​​the ultraviolet irradiation equipment and irradiate it with ultraviolet light of a wavelength of 254nm, where the irradiation intensity is 4-6mW / cm². Turn off the ultraviolet irradiation equipment after irradiation for 2-10 minutes, and take out the fabric after the equipment cools down naturally for 10-30 minutes.

[0006] Preferably, the raw material preparation includes polyester fiber, cotton fiber, silk fiber, aramid fiber, microcapsule nano antibacterial agent, flame retardant finishing liquid and anti-wrinkle finishing liquid; The fiber pretreatment includes polyester fiber treatment, cotton fiber treatment, silk fiber treatment and aramid fiber treatment; Polyester fiber treatment: put the polyester fiber into an aqueous solution containing 0.6% by mass of non-ionic surfactant and 0.3% by mass of soda ash, treat it at 85°C and a bath ratio of 1:15 for 40-50 minutes, then rinse it with clean water, put it into a dryer, and dry it at 85-95°C to constant weight, then put the pretreated polyester fiber into the prepared antibacterial finishing liquid, and use a stirring device to stir it at a speed of 60-80rpm for 5 minutes, then let it stand for 30-60 minutes, then use a padder to remove the excess dispersion in the impregnated polyester fiber, and dry it; Cotton fiber treatment: Place the cotton fiber in a scouring solution, scour for 70-80 minutes at a bath ratio of 1:13 and 95°C, then rinse with 55°C hot water for 5-10 times, then place the scouring cotton fiber in a bleaching solution with a bath ratio of 1:12, bleach at 85°C for 70-80 minutes, then wash the fiber with clean water, and dry it at 70°C to constant weight, then place the pretreated cotton fiber in the prepared antibacterial finishing solution, and use a stirring device to stir at a speed of 60-80rpm for 5 minutes, then let it stand for 30-60 minutes, then use a padder to remove the excess dispersion in the impregnated cotton fiber, and dry it; Silk fiber treatment: Put the silk fiber into an aqueous solution containing 0.5% soda ash and 0.3% neutral soap, with a bath ratio of 1:25, and scour at 95°C for 45 minutes, then rinse with clean water, then put the degummed silk fiber into an aqueous solution containing 0.8% softener, soak at room temperature for 20-25 minutes, then rinse with clean water, and dry at 55°C, then put the pretreated silk fiber into the prepared antibacterial finishing liquid, and use a stirring device to stir at a speed of 60-80rpm for 5 minutes, then let it stand for 30-60 minutes, then remove the excess dispersion in the impregnated silk fiber by a padder, and dry it; Aramid fiber treatment: Place the aramid fiber in an aqueous solution containing 0.2% non-ionic surfactant with a bath ratio of 1:20, stir at 40-50rpm for 20min at room temperature, then rinse with clean water 4-5 times, and dry at 90℃. Then place the pretreated aramid fiber in the prepared antibacterial finishing solution and use a stirring device to stir at 60-80rpm for 5min, then let it stand for 30-60min, then use a padder to remove excess dispersion in the impregnated aramid fiber and dry it.

[0007] Preferably, the preparation of the antimicrobial agent includes antimicrobial agent compounding, complex coagulation treatment, solidification separation and preparation of finishing liquid; Antimicrobial compounding: first, chitosan was added to a glacial acetic acid solution with a volume fraction of 1.2%, and then a magnetic stirrer was used to stir at room temperature to form a chitosan solution, wherein the stirring speed was 300-400 rpm, and the stirring time was 2 h. Then, zinc oxide nanoparticles and silver-loaded activated carbon nanoparticles were added to deionized water, and ultrasonic dispersion was performed using an ultrasonic disperser to form a stable suspension, wherein the power of the ultrasonic disperser was 150-200 W, the temperature was 30-40° C., and the treatment time was 20-40 min. Then, the suspension was added to the chitosan solution at a speed of 5-10 mL / min, and a magnetic stirrer was used to continuously stir to form a mixed antimicrobial dispersion, wherein the stirring speed was 240-360 rpm, and the stirring time was 1-3 h. Complex coagulation treatment: Add gum arabic to deionized water, heat and stir in a constant temperature water bath at 50-60°C to form a gum arabic solution with a mass fraction of 1%-2%, wherein the stirring speed is 200-260rpm, and the stirring time is 40-50min. Then, the gum arabic solution is added dropwise to the mixed antibacterial agent dispersant at a speed of 5-10mL / min, and stirred at a speed of 200-300rpm. After the addition is completed, continue stirring for 20-30min, and then adjust the pH value of the mixed solution to 4-5 with 1mol / L sodium hydroxide solution, and let it stand for 1-2h to form a microcapsule suspension; Solidification and separation: add a glutaraldehyde solution with a mass fraction of 24% to the formed microcapsule suspension at a speed of 5-10 mL / min, stir and react in a constant temperature water bath at 40-50°C for 2-3 hours, wherein the stirring speed is 100-150 rpm, then transfer the reacted solution to a high-speed centrifuge, centrifuge at a speed of 3000-5000 rpm for 10-30 minutes, discard the supernatant, and then wash the microcapsule precipitate with deionized water for 5-10 times, finally transfer the washed microcapsule precipitate to a vacuum drying oven, and dry it at 45°C to constant weight to obtain chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent; Preparation of finishing liquid: Disperse the dried chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent in an aqueous solution containing 0.5% sodium polyacrylate, and stir at 400 rpm for 45 minutes to prepare an antibacterial finishing liquid, wherein the molar mass ratio of the chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent to the aqueous solution is (1-3):100.

[0008] Preferably, the functional finishing includes flame retardant treatment and wrinkle resistance treatment. Flame retardant treatment: add deionized water to a stirring container, then add tricresyl phosphate, melamine-formaldehyde resin, ammonium chloride and softener in sequence, stir at a speed of 260-400rpm for 30-60min to obtain a flame retardant finishing liquid, pour the prepared flame retardant finishing liquid into the rolling tank of the padding machine, and then pass the fabric through the padding machine to immerse the fabric in the flame retardant finishing liquid, wherein the padding pressure is 2-3MPa, the speed is 2-5m / min, and the rolling rate is 65%-75%. After treating for 30-60min, put the fabric into an oven at a temperature of 90℃ for 10-20min, and then use a baking machine to bake at 150-160℃ for 1-5min; Anti-wrinkle treatment: Add deionized water to a stirring container, then stir the anti-wrinkle agent, ammonium chloride and softener at a speed of 300-350rpm for 30-60min to obtain an anti-wrinkle finishing solution, pour the prepared anti-wrinkle finishing solution into the rolling tank of the padding machine, and then pass the fabric through the padding machine to immerse the fabric in the anti-wrinkle finishing solution, wherein the padding pressure is 2-3MPa, the speed is 2-5m / min, and the rolling rate is 65%-75%. After treating for 30-60min, put the fabric into an oven and treat it at 90℃ for 10-20min, and then use a baking machine to bake it at 150-160℃ for 1-5min.

[0009] Preferably, the post-finishing includes washing, softening, drying and shaping. Washing treatment: put the functionally treated jacquard fabric into a washing agent, add non-ionic detergent into it, wash at a temperature of 30-40℃ for 20-30min, and then rinse with clean water for 5-10 times; Softening treatment: Soak the washed fabric in a 2% softener aqueous solution with a bath ratio of 1:10-1:20, stir at 40-80rpm for 5 minutes, and then soak for 15-20 minutes; Drying treatment: Then put the softened fabric into the dryer and dry it at 60-70℃ for 30-60min; Setting treatment: Put the dried fabric into the setting machine and set it at 140-160℃ for 30-90s.

[0010] Preferably, the inspection and packaging include performance testing and packaging for warehousing; Performance testing: The antibacterial, wrinkle-resistant, flame-retardant and breathable properties of the jacquard silk fabrics were tested; Packing and warehousing: The qualified fabrics are packed in rolls and stored in the warehouse.

[0011] Preferably, the molar mass ratio of chitosan to glacial acetic acid is 1:100, the molar mass ratio of zinc oxide nano-ions, silver-loaded activated carbon nano-ions and deionized water is (4-6):3:100, the mass ratio of chitosan to gum arabic is 1:1, and the amount of glutaraldehyde used is 10%-20% of the total mass of chitosan and gum arabic.

[0012] Preferably, the blending mass ratio of the pretreated polyester fiber, cotton fiber, silk fiber and aramid fiber is (2-3): (2-2.5): 1:1.

[0013] Preferably, the scouring liquid is an aqueous solution containing 2.5% caustic soda, 0.7% sodium dodecylbenzene sulfonate and 0.3% penetrant, and the bleaching liquid is an aqueous solution containing 2.5% hydrogen peroxide, 0.3% sodium silicate and 0.2% pH regulator.

[0014] Preferably, the molar mass ratio of the deionized water, tricresyl phosphate, melamine-formaldehyde resin, ammonium chloride and softener is 100:10:1:0.1; the molar mass ratio of the deionized water, anti-wrinkle agent, ammonium chloride and softener is 100:10:(0.2-1):0.1.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention introduces advanced plasma treatment and ultraviolet radiation technologies to pre-treat silk fabrics before finishing. Plasma treatment can improve the physical and chemical properties of the fabric surface, increase the adsorption sites and binding force of the finishing agent, and facilitate subsequent functional treatment. Flame retardants and anti-wrinkle agents are more firmly combined with fibers, thereby improving the functionality and durability of the fabric. Ultraviolet radiation can trigger chemical reactions on the fabric surface, generate active species such as free radicals on the fiber surface, and then react with oxygen or other gases in the air, introduce new functional groups on the fiber surface, and change the surface properties of the fabric.

[0016] 2. The present invention uses a microcapsule antibacterial agent to pre-treat each fiber. Before weaving the fabric, the microcapsule with antibacterial function is embedded in the fiber. When subjected to external stimulation, the microcapsule will release the internal antibacterial agent to exert antibacterial properties. In addition, the fiber is treated by impregnation before being made into the fabric. Compared with the antibacterial treatment before weaving the fabric to be jacquard, the antibacterial finishing liquid can be more evenly and firmly combined with the fiber, so that the subsequently woven fabric has antibacterial properties from the inside to the outside, so that the antibacterial properties of the fabric can be exerted for a long time.

[0017] 3. The present invention adopts a combination of microcapsules and nanotechnology to make the antibacterial agent into a microcapsule nano antibacterial agent, and wraps the antibacterial agent in the microcapsule. In a high temperature and high humidity environment, the microcapsule will slowly release the antibacterial agent according to the environmental conditions, prolong the action time of the antibacterial agent, reduce the attenuation of the antibacterial performance, and can continuously release the antibacterial components for a long time to maintain the antibacterial effect, so that the subsequently woven fabric can have good antibacterial performance for a long time.

[0018] 4. The present invention adopts a multi-layer finishing method, and the flame retardant and wrinkle-resistant finishing agents are applied to the fabric in sequence to form a multi-layer structure, and a one-immersion and one-rolling method is adopted, so that the flame retardant and wrinkle-resistant finishing agents are evenly rolled into the fabric, reducing the uneven distribution of the finishing agent caused by uneven pressure. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] The present invention provides a method for preparing a functional silk fabric with jacquard effect. The preparation steps are as follows: Step S1: preparing raw materials: polyester fiber, cotton fiber, silk fiber, aramid fiber, microcapsule nano antibacterial agent, flame retardant finishing liquid and anti-wrinkle finishing liquid; Step S2: Preparation of antibacterial agent: chitosan was first added to a glacial acetic acid solution with a volume fraction of 1.2%, and then stirred at room temperature with a magnetic stirrer to form a chitosan solution, wherein the stirring speed was 350 rpm and the stirring time was 2 h. Zinc oxide nanoparticles and silver-loaded activated carbon nanoparticles were then added to deionized water and ultrasonically dispersed using an ultrasonic disperser to form a stable suspension, wherein the power of the ultrasonic disperser was 160 W, the temperature was 35 ° C, and the treatment time was 30 min. The suspension was then added to the chitosan solution at a rate of 5 mL / min, and continuously stirred using a magnetic stirrer. , forming a mixed antibacterial agent dispersion, wherein the stirring speed is 300rpm, the stirring time is 2h, then the gum arabic is added to the deionized water, heated and stirred in a constant temperature water bath at 55°C to form a gum arabic solution with a mass fraction of 2%, wherein the stirring speed is 220rpm, the stirring time is 45min, then the gum arabic solution is added dropwise to the mixed antibacterial agent dispersion at a speed of 6mL / min, and stirred at a speed of 260rpm. After the addition is completed, stirring is continued for 25min, and then the pH value of the mixed solution is adjusted to 5 with a 1mol / L sodium hydroxide solution, and allowed to stand for 2h to form The microcapsule suspension was prepared, and a 24% glutaraldehyde solution was added dropwise to the formed microcapsule suspension at a rate of 6 mL / min, and the reaction was stirred in a constant temperature water bath at 40°C for 2.5 h, wherein the stirring speed was 120 rpm. The reacted solution was then transferred to a high-speed centrifuge and centrifuged at 4000 rpm for 20 min. The supernatant was discarded, and the microcapsule precipitate was washed with deionized water for 7 times. Finally, the washed microcapsule precipitate was transferred to a vacuum drying oven and dried at 45°C to constant weight to obtain a chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano-antibacterial agent. Finally, the dried chitosan-zinc oxide The zinc-silver-loaded activated carbon microcapsule nano antibacterial agent is dispersed in an aqueous solution containing 0.5% sodium polyacrylate and stirred at a speed of 400 rpm for 45 minutes to prepare an antibacterial finishing solution, wherein the molar mass ratio of chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent to the aqueous solution is (1-3):100, wherein the molar mass ratio of chitosan to glacial acetic acid is 1:100, the molar mass ratio of zinc oxide nano ions, silver-loaded activated carbon nano ions and deionized water is (4-6):3:100, the mass ratio of chitosan to gum arabic is 1:1, and the amount of glutaraldehyde used is 10%-20% of the total mass of chitosan and gum arabic; Step S3: Fiber pretreatment: first, put the polyester fiber into an aqueous solution containing 0.6% by mass of a nonionic surfactant and 0.3% by mass of soda ash, treat it at 85°C and a bath ratio of 1:15 for 45 minutes, then rinse it with clean water, put it into a dryer, and dry it at 90°C to constant weight, then put the pretreated polyester fiber into the prepared antibacterial finishing solution, and use a stirring device to stir it at a speed of 70rpm for 5 minutes, then let it stand for 40 minutes, then remove the excess dispersion in the impregnated polyester fiber by a rolling mill, and dry it, then put the cotton fiber into the scouring solution, and then The cotton fibers were scoured for 75 minutes at a bath ratio of 1:13 and 95°C, then rinsed with hot water at 55°C for 8 times, and then the scour cotton fibers were placed in a bleaching solution with a bath ratio of 1:12 and bleached at 85°C for 70 minutes. The fibers were then washed with clean water and dried at 70°C to constant weight. The pretreated cotton fibers were then placed in the prepared antibacterial finishing solution and stirred at 70 rpm for 5 minutes using a stirring device, then allowed to stand for 60 minutes, and then the excess dispersion in the impregnated cotton fibers was removed by a rolling mill and dried. The silk fibers were then placed in an aqueous solution containing 0.5% soda ash and 0.3% neutral soap. , the bath ratio is 1:25, scouring at 95℃ for 45min, then rinsing with clean water, then putting the degummed silk fiber into an aqueous solution containing 0.8% softener, soaking at room temperature for 20min, then rinsing with clean water, and drying at 55℃, then putting the pretreated silk fiber into the prepared antibacterial finishing liquid, and using a stirring device to stir at 70rpm for 5min, then letting it stand for 60min, and then using a padder to remove the excess dispersion in the impregnated silk fiber, and drying, finally putting the aramid fiber into an aqueous solution containing 0.2% non-ionic surfactant, the bath ratio is 1:20, at Stir at a speed of 50 rpm for 20 minutes at room temperature, then rinse with clean water 5 times, and dry at 90°C, then put the pretreated aramid fiber into the prepared antibacterial finishing liquid, and use a stirring device to stir at a speed of 80 rpm for 5 minutes, then let it stand for 60 minutes, and then remove the excess dispersion in the impregnated aramid fiber treatment by a padder, and dry it, wherein the scouring liquid is an aqueous solution containing 2.5% caustic soda, 0.7% sodium dodecylbenzene sulfonate and 0.3% penetrant, and the bleaching liquid is an aqueous solution containing 2.5% hydrogen peroxide, 0.3% sodium silicate and 0.2% PH regulator; Step S4: fiber blending: using a ring spinning machine to blend the pretreated polyester fiber, cotton fiber, silk fiber and aramid fiber into yarn, wherein the blending mass ratio of the pretreated polyester fiber, cotton fiber, silk fiber and aramid fiber is 2:2:1:1; Step S5: jacquard weaving: using a jacquard loom to weave the yarn into a fabric with jacquard; Step S6: Finishing: First, put the woven fabric with jacquard into the plasma treatment equipment, extract the air in the reaction chamber, and reduce the pressure in the chamber to 10 within 10 minutes. -2 Pa, then argon gas is introduced, where the gas flow rate is 45sccm, the processing power is 230W, and the processing time is 5min. After that, the fabric is taken out and cleaned with deionized water, and then dried at 25℃ for 50min. Then, the plasma-treated fabric is placed in the irradiation area of ​​the ultraviolet irradiation equipment and irradiated with ultraviolet rays with a wavelength of 254nm, where the irradiation intensity is 5mW / cm². After irradiation for 4min, the ultraviolet irradiation equipment is turned off, and the fabric is taken out after the equipment is naturally cooled for 30min. Then, deionized water is added to the stirring container, and then tricresyl phosphate, tritoluene phosphate, and tritoluene phosphate are added in sequence. Melamine-formaldehyde resin, ammonium chloride and softener are stirred at a speed of 300rpm for 50min to obtain a flame retardant finishing liquid. The prepared flame retardant finishing liquid is poured into the rolling tank of the padding machine, and then the fabric is passed through the padding machine to immerse the fabric in the flame retardant finishing liquid, wherein the padding pressure is 2MPa, the speed is 4m / min, and the rolling rate is 70%. After treating for 40min, the fabric is placed in an oven and treated at a temperature of 90℃ for 15min, and then baked at 155℃ for 4min in a baking machine, and then deionized water is added to the stirring container, and then the anti-wrinkle agent, ammonium chloride and softener are stirred at a speed of 320rpm. The anti-wrinkle finishing liquid was obtained by stirring at a temperature of 2MPa for 40 minutes to obtain the anti-wrinkle finishing liquid. The prepared anti-wrinkle finishing liquid was poured into the rolling tank of the padding machine, and then the fabric was passed through the padding machine to immerse the fabric in the anti-wrinkle finishing liquid. The padding pressure was 2MPa, the speed was 3m / min, and the rolling rate was 70%. After treating for 40 minutes, the fabric was placed in an oven and treated at 90°C for 15 minutes, and then baked at 150°C for 4 minutes in a baking machine. Then, the functionally treated jacquard fabric was placed in a water lotion, and a non-ionic detergent was added thereto. It was washed at 30°C for 20 minutes, then rinsed with clean water for 6 times, and then The washed fabric is immersed in an aqueous solution containing 2% softener at a bath ratio of 1:10, first stirred at a speed of 60 rpm for 5 minutes, then immersed for 20 minutes, then the softened fabric is placed in a dryer and dried at a temperature of 60°C for 40 minutes, and the dried fabric is placed in a setting machine and set at 150°C for 50 seconds, wherein the molar mass ratio of deionized water, tricresyl phosphate, melamine-formaldehyde resin, ammonium chloride and softener is 100:10:1:0.1, and the molar mass ratio of deionized water, anti-wrinkle agent, ammonium chloride and softener is 100:10:0.5:0.1; Step S7: Inspection and packaging: The antibacterial property, wrinkle resistance, flame retardancy and air permeability of the jacquard silk fabric are tested, and then the qualified fabrics are packaged in a roll-up manner and stored in the warehouse.

[0021] Further, the value of step S2 is changed, and steps S1 and S3-6 are performed to perform functional tests on the prepared jacquard silk fabric. First, a washing cycle is performed according to GB / T8629-2017 "Household Washing and Drying Procedure for Textile Testing", and after the 10th and 50th washings, the antibacterial property of the fabric is detected according to GB / T20944.3-2008 "Evaluation of Antimicrobial Properties of Textiles Part 3: Oscillation Method", the wrinkle resistance of the fabric is determined according to GB / T3819-1997 "Determination of Crease Recovery of Textile Fabrics - Recovery Angle Method", the flame retardancy of the fabric is determined according to GB / T5454-1997 "Textile Combustion Performance Test Oxygen Index Method", and the air permeability of the fabric is determined according to GB / T5453-1997 "Determination of Air Permeability of Textile Fabrics". Example

[0022] Step S2: Preparation of antibacterial agent: chitosan was first added to a glacial acetic acid solution with a volume fraction of 1.2%, and then stirred at room temperature using a magnetic stirrer to form a chitosan solution, wherein the stirring speed was 350 rpm and the stirring time was 2 h. Zinc oxide nanoparticles and silver-loaded activated carbon nanoparticles were then added to deionized water and ultrasonically dispersed using an ultrasonic disperser to form a stable suspension, wherein the power of the ultrasonic disperser was 160 W, the temperature was 35 ° C, and the treatment time was 30 min. The suspension was then added to the chitosan solution at a rate of 5 mL / min, and a magnetic stirrer was used to maintain the temperature. The mixture was stirred continuously to form a mixed antibacterial agent dispersion, wherein the stirring speed was 300 rpm and the stirring time was 2 h. Then, gum arabic was added to deionized water, heated and stirred in a constant temperature water bath at 55 ° C to form a gum arabic solution with a mass fraction of 2%, wherein the stirring speed was 220 rpm and the stirring time was 45 min. Then, the gum arabic solution was added dropwise to the mixed antibacterial agent dispersion at a speed of 6 mL / min and stirred at a speed of 260 rpm. After the addition was completed, stirring was continued for 25 min, and then the pH value of the mixed solution was adjusted to 5 with a 1 mol / L sodium hydroxide solution, and the mixture was allowed to stand for 2 h. The mixture was allowed to stand for 2 hours to form a microcapsule suspension, and then a 24% glutaraldehyde solution was added dropwise at a rate of 6 mL / min to the formed microcapsule suspension, and the mixture was stirred in a constant temperature water bath at 40°C for 2.5 hours, wherein the stirring speed was 120 rpm. The reacted solution was then transferred to a high-speed centrifuge and centrifuged at 4000 rpm for 20 minutes. The supernatant was discarded, and the microcapsule precipitate was washed with deionized water for 7 times. Finally, the washed microcapsule precipitate was transferred to a vacuum drying oven and dried at 45°C to constant weight to obtain a chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano-antibacterial agent. Finally, the dried The dried chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent was dispersed in an aqueous solution containing 0.5% sodium polyacrylate and stirred at 400 rpm for 45 min to prepare an antibacterial finishing solution, wherein the molar mass ratio of the chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent to the aqueous solution was 1:100, the molar mass ratio of chitosan to glacial acetic acid was 1:100, the molar mass ratio of zinc oxide nano ions, silver-loaded activated carbon nano ions and deionized water was 4:3:100, the mass ratio of chitosan to gum arabic was 1:1, and the amount of glutaraldehyde was 15% of the total mass of chitosan and gum arabic.

[0023] Furthermore, after the 10th washing, the antibacterial rate was measured to be 85%, the crease recovery angle after 10 minutes was 141°, the minimum oxygen concentration required for combustion was 28.2%, and the air permeability was 163 mm / s. After the 50th washing, the antibacterial rate was measured to be 71%, the crease recovery angle after 10 minutes was 138°, the minimum oxygen concentration required for combustion was 26.8%, and the air permeability was 144 mm / s. Example

[0024] Step S2: Preparation of antibacterial agent: chitosan was first added to a glacial acetic acid solution with a volume fraction of 1.2%, and then stirred at room temperature using a magnetic stirrer to form a chitosan solution, wherein the stirring speed was 350 rpm and the stirring time was 2 h. Zinc oxide nanoparticles and silver-loaded activated carbon nanoparticles were then added to deionized water and ultrasonically dispersed using an ultrasonic disperser to form a stable suspension, wherein the power of the ultrasonic disperser was 160 W, the temperature was 35 ° C, and the treatment time was 30 min. The suspension was then added to the chitosan solution at a rate of 5 mL / min, and a magnetic stirrer was used to maintain the temperature. The mixture was stirred continuously to form a mixed antibacterial agent dispersion, wherein the stirring speed was 300 rpm and the stirring time was 2 h. Then, gum arabic was added to deionized water, heated and stirred in a constant temperature water bath at 55 ° C to form a gum arabic solution with a mass fraction of 2%, wherein the stirring speed was 220 rpm and the stirring time was 45 min. Then, the gum arabic solution was added dropwise to the mixed antibacterial agent dispersion at a speed of 6 mL / min and stirred at a speed of 260 rpm. After the addition was completed, stirring was continued for 25 min, and then the pH value of the mixed solution was adjusted to 5 with a 1 mol / L sodium hydroxide solution, and the mixture was allowed to stand for 2 h. The mixture was allowed to stand for 2 hours to form a microcapsule suspension, and then a 24% glutaraldehyde solution was added dropwise at a rate of 6 mL / min to the formed microcapsule suspension, and the mixture was stirred in a constant temperature water bath at 40°C for 2.5 hours, wherein the stirring speed was 120 rpm. The reacted solution was then transferred to a high-speed centrifuge and centrifuged at 4000 rpm for 20 minutes. The supernatant was discarded, and the microcapsule precipitate was washed with deionized water for 7 times. Finally, the washed microcapsule precipitate was transferred to a vacuum drying oven and dried at 45°C to constant weight to obtain a chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano-antibacterial agent. Finally, the dried The dried chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano-antibacterial agent was dispersed in an aqueous solution containing 0.5% sodium polyacrylate and stirred at 400 rpm for 45 min to prepare an antibacterial finishing solution, wherein the molar mass ratio of the chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano-antibacterial agent to the aqueous solution was 2:100, the molar mass ratio of chitosan to glacial acetic acid was 1:100, the molar mass ratio of zinc oxide nano-ions, silver-loaded activated carbon nano-ions and deionized water was 4:3:100, the mass ratio of chitosan to gum arabic was 1:1, and the amount of glutaraldehyde was 15% of the total mass of chitosan and gum arabic.

[0025] Furthermore, after the 10th washing, the antibacterial rate was measured to be 89%, the crease recovery angle after 10 minutes was 158°, the minimum oxygen concentration required for combustion was 31.2%, and the air permeability was 214 mm / s. After the 50th washing, the antibacterial rate was measured to be 81%, the crease recovery angle after 10 minutes was 141°, the minimum oxygen concentration required for combustion was 29.7%, and the air permeability was 187 mm / s. Example

[0026] Step S2: Preparation of antibacterial agent: chitosan was first added to a glacial acetic acid solution with a volume fraction of 1.2%, and then stirred at room temperature using a magnetic stirrer to form a chitosan solution, wherein the stirring speed was 350 rpm and the stirring time was 2 h. Zinc oxide nanoparticles and silver-loaded activated carbon nanoparticles were then added to deionized water and ultrasonically dispersed using an ultrasonic disperser to form a stable suspension, wherein the power of the ultrasonic disperser was 160 W, the temperature was 35 ° C, and the treatment time was 30 min. The suspension was then added to the chitosan solution at a rate of 5 mL / min, and a magnetic stirrer was used to maintain the temperature. The mixture was stirred continuously to form a mixed antibacterial agent dispersion, wherein the stirring speed was 300 rpm and the stirring time was 2 h. Then, gum arabic was added to deionized water, heated and stirred in a constant temperature water bath at 55 ° C to form a gum arabic solution with a mass fraction of 2%, wherein the stirring speed was 220 rpm and the stirring time was 45 min. Then, the gum arabic solution was added dropwise to the mixed antibacterial agent dispersion at a speed of 6 mL / min and stirred at a speed of 260 rpm. After the addition was completed, stirring was continued for 25 min, and then the pH value of the mixed solution was adjusted to 5 with a 1 mol / L sodium hydroxide solution, and the mixture was allowed to stand for 2 h. The mixture was allowed to stand for 2 hours to form a microcapsule suspension, and then a 24% glutaraldehyde solution was added dropwise at a rate of 6 mL / min to the formed microcapsule suspension, and the mixture was stirred in a constant temperature water bath at 40°C for 2.5 hours, wherein the stirring speed was 120 rpm. The reacted solution was then transferred to a high-speed centrifuge and centrifuged at 4000 rpm for 20 minutes. The supernatant was discarded, and the microcapsule precipitate was washed with deionized water for 7 times. Finally, the washed microcapsule precipitate was transferred to a vacuum drying oven and dried at 45°C to constant weight to obtain a chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano-antibacterial agent. Finally, the dried The dried chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano-antibacterial agent was dispersed in an aqueous solution containing 0.5% sodium polyacrylate and stirred at 400 rpm for 45 min to prepare an antibacterial finishing solution, wherein the molar mass ratio of the chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano-antibacterial agent to the aqueous solution was 2:100, the molar mass ratio of chitosan to glacial acetic acid was 1:100, the molar mass ratio of zinc oxide nano-ions, silver-loaded activated carbon nano-ions and deionized water was 5:3:100, the mass ratio of chitosan to gum arabic was 1:1, and the amount of glutaraldehyde was 15% of the total mass of chitosan and gum arabic.

[0027] Furthermore, after the 10th washing, the antibacterial rate was measured to be 86%, the crease recovery angle after 10 minutes was 147°, the minimum oxygen concentration required for combustion was 29.4%, and the air permeability was 167 mm / s. After the 50th washing, the antibacterial rate was measured to be 74%, the crease recovery angle after 10 minutes was 127°, the minimum oxygen concentration required for combustion was 28.6%, and the air permeability was 149 mm / s.

[0028] Comparative Example: The existing jacquard fabrics on the market are used as a comparison. After the 10th washing, the antibacterial rate was measured to be 72%, the crease recovery angle after 10 minutes was 126°, the minimum oxygen concentration required for combustion was 27.8%, UPF: 34, and the air permeability was 141mm / s. After the 50th washing, the antibacterial rate was measured to be 55%, the crease recovery angle after 10 minutes was 104°, the minimum oxygen concentration required for combustion was 23.4%, UPF: 23, and the air permeability was 123mm / s.

[0029] The functional test results of jacquard silk fabrics are as follows:

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A method for preparing a functional silk fabric with jacquard effect, characterized in that: The method comprises raw material preparation, antimicrobial agent preparation, fiber pretreatment, fiber blending, jacquard weaving, finishing, inspection and packaging. The antimicrobial agent preparation adopts complex coagulation technology to prepare microcapsule nano antimicrobial finishing liquid. The fiber pretreatment pretreats polyester fiber, cotton fiber, silk fiber and aramid fiber respectively. The fiber blending uses a ring spinning machine to mix and spin the pretreated polyester fiber, cotton fiber, silk fiber and aramid fiber into yarn. The jacquard weaving uses a jacquard loom to weave the yarn into a fabric with jacquard. The pretreatment adopts plasma and ultraviolet irradiation technology to treat the jacquard fabric before finishing. The functional finishing is used to finish the flame retardancy and wrinkle resistance of the jacquard fabric. The inspection and packaging are used to perform functional testing and packaging on the prepared jacquard silk fabric. The finishing includes pre-treatment, functional finishing and post-treatment; The pre-treatment includes plasma treatment and ultraviolet irradiation; Plasma treatment: Place the woven fabric with jacquard into the plasma treatment equipment, extract the air in the reaction chamber, and reduce the pressure in the chamber to 10 within 10 minutes. -2 Pa, then introduce argon, where the gas flow rate is 40-50sccm, the processing power is 200-250W, and the processing time is 4-6min. After that, the fabric is taken out and cleaned with deionized water, and then baked at 20-30℃ for 20-60min; Ultraviolet irradiation: Place the plasma-treated fabric in the irradiation area of ​​the ultraviolet irradiation equipment and irradiate it with ultraviolet light of a wavelength of 254nm, where the irradiation intensity is 4-6mW / cm². Turn off the ultraviolet irradiation equipment after irradiation for 2-10 minutes, and take out the fabric after the equipment cools down naturally for 10-30 minutes.

2. The method for preparing a functional silk fabric with jacquard effect according to claim 1, characterized in that: The raw material preparation includes polyester fiber, cotton fiber, silk fiber, aramid fiber, microcapsule nano antibacterial agent, flame retardant finishing liquid and anti-wrinkle finishing liquid; The fiber pretreatment includes polyester fiber treatment, cotton fiber treatment, silk fiber treatment and aramid fiber treatment; Polyester fiber treatment: put the polyester fiber into an aqueous solution containing 0.6% by mass of non-ionic surfactant and 0.3% by mass of soda ash, treat it at 85°C and a bath ratio of 1:15 for 40-50 minutes, then rinse it with clean water, put it into a dryer, and dry it at 85-95°C to constant weight, then put the pretreated polyester fiber into the prepared antibacterial finishing liquid, and use a stirring device to stir it at a speed of 60-80rpm for 5 minutes, then let it stand for 30-60 minutes, then use a padder to remove the excess dispersion in the impregnated polyester fiber, and dry it; Cotton fiber treatment: Place the cotton fiber in a scouring solution, scour for 70-80 minutes at a bath ratio of 1:13 and 95°C, then rinse with 55°C hot water for 5-10 times, then place the scouring cotton fiber in a bleaching solution with a bath ratio of 1:12, bleach at 85°C for 70-80 minutes, then wash the fiber with clean water, and dry it at 70°C to constant weight, then place the pretreated cotton fiber in the prepared antibacterial finishing solution, and use a stirring device to stir at a speed of 60-80rpm for 5 minutes, then let it stand for 30-60 minutes, then use a padder to remove the excess dispersion in the impregnated cotton fiber, and dry it; Silk fiber treatment: Put the silk fiber into an aqueous solution containing 0.5% soda ash and 0.3% neutral soap, with a bath ratio of 1:25, and scour at 95°C for 45 minutes, then rinse with clean water, then put the degummed silk fiber into an aqueous solution containing 0.8% softener, soak at room temperature for 20-25 minutes, then rinse with clean water, and dry at 55°C, then put the pretreated silk fiber into the prepared antibacterial finishing liquid, and use a stirring device to stir at a speed of 60-80rpm for 5 minutes, then let it stand for 30-60 minutes, then remove the excess dispersion in the impregnated silk fiber by a padder, and dry it; Aramid fiber treatment: Place the aramid fiber in an aqueous solution containing 0.2% non-ionic surfactant with a bath ratio of 1:20, stir at 40-50rpm for 20min at room temperature, then rinse with clean water 4-5 times, and dry at 90℃. Then place the pretreated aramid fiber in the prepared antibacterial finishing solution and use a stirring device to stir at 60-80rpm for 5min, then let it stand for 30-60min, then use a padder to remove excess dispersion in the impregnated aramid fiber and dry it.

3. The method for preparing a functional silk fabric with jacquard effect according to claim 1, characterized in that: The preparation of the antimicrobial agent includes antimicrobial agent compounding, complex coagulation treatment, solidification separation and preparation of finishing liquid; Antimicrobial compounding: first, chitosan was added to a glacial acetic acid solution with a volume fraction of 1.2%, and then a magnetic stirrer was used to stir at room temperature to form a chitosan solution, wherein the stirring speed was 300-400 rpm, and the stirring time was 2 h. Then, zinc oxide nanoparticles and silver-loaded activated carbon nanoparticles were added to deionized water, and ultrasonic dispersion was performed using an ultrasonic disperser to form a stable suspension, wherein the power of the ultrasonic disperser was 150-200 W, the temperature was 30-40° C., and the treatment time was 20-40 min. Then, the suspension was added to the chitosan solution at a speed of 5-10 mL / min, and a magnetic stirrer was used to continuously stir to form a mixed antimicrobial dispersion, wherein the stirring speed was 240-360 rpm, and the stirring time was 1-3 h. Complex coagulation treatment: Add gum arabic to deionized water, heat and stir in a constant temperature water bath at 50-60°C to form a gum arabic solution with a mass fraction of 1%-2%, wherein the stirring speed is 200-260rpm, and the stirring time is 40-50min. Then, the gum arabic solution is added dropwise to the mixed antibacterial agent dispersant at a speed of 5-10mL / min, and stirred at a speed of 200-300rpm. After the addition is completed, continue stirring for 20-30min, and then adjust the pH value of the mixed solution to 4-5 with 1mol / L sodium hydroxide solution, and let it stand for 1-2h to form a microcapsule suspension; Solidification and separation: add a glutaraldehyde solution with a mass fraction of 24% to the formed microcapsule suspension at a speed of 5-10 mL / min, stir and react in a constant temperature water bath at 40-50°C for 2-3 hours, wherein the stirring speed is 100-150 rpm, then transfer the reacted solution to a high-speed centrifuge, centrifuge at a speed of 3000-5000 rpm for 10-30 minutes, discard the supernatant, and then wash the microcapsule precipitate with deionized water for 5-10 times, finally transfer the washed microcapsule precipitate to a vacuum drying oven, and dry it at 45°C to constant weight to obtain chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent; Preparation of finishing liquid: Disperse the dried chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent in an aqueous solution containing 0.5% sodium polyacrylate, and stir at 400 rpm for 45 minutes to prepare an antibacterial finishing liquid, wherein the molar mass ratio of the chitosan-zinc oxide-silver-loaded activated carbon microcapsule nano antibacterial agent to the aqueous solution is (1-3):

100.

4. The method for preparing a functional silk fabric with jacquard effect according to claim 1, characterized in that: The functional finishing includes flame retardant treatment and wrinkle resistance treatment Flame retardant treatment: add deionized water to a stirring container, then add tricresyl phosphate, melamine-formaldehyde resin, ammonium chloride and softener in sequence, stir at a speed of 260-400rpm for 30-60min to obtain a flame retardant finishing liquid, pour the prepared flame retardant finishing liquid into the rolling tank of the padding machine, and then pass the fabric through the padding machine to immerse the fabric in the flame retardant finishing liquid, wherein the padding pressure is 2-3MPa, the speed is 2-5m / min, and the rolling rate is 65%-75%. After treating for 30-60min, put the fabric into an oven at a temperature of 90℃ for 10-20min, and then use a baking machine to bake at 150-160℃ for 1-5min; Anti-wrinkle treatment: Add deionized water to a stirring container, then stir the anti-wrinkle agent, ammonium chloride and softener at a speed of 300-350rpm for 30-60min to obtain an anti-wrinkle finishing solution, pour the prepared anti-wrinkle finishing solution into the rolling tank of the padding machine, and then pass the fabric through the padding machine to immerse the fabric in the anti-wrinkle finishing solution, wherein the padding pressure is 2-3MPa, the speed is 2-5m / min, and the rolling rate is 65%-75%. After treating for 30-60min, put the fabric into an oven and treat it at 90℃ for 10-20min, and then use a baking machine to bake it at 150-160℃ for 1-5min.

5. The method for preparing a functional silk fabric with jacquard effect according to claim 1, characterized in that: The post-finishing process includes washing, softening, drying and shaping. Washing treatment: put the functionally treated jacquard fabric into a washing agent, add non-ionic detergent into it, wash at a temperature of 30-40℃ for 20-30min, and then rinse with clean water for 5-10 times; Softening treatment: Soak the washed fabric in a 2% softener aqueous solution with a bath ratio of 1:10-1:20, stir at 40-80rpm for 5 minutes, and then soak for 15-20 minutes; Drying treatment: Then put the softened fabric into the dryer and dry it at 60-70℃ for 30-60min; Setting treatment: Put the dried fabric into the setting machine and set it at 140-160℃ for 30-90s.

6. The method for preparing a functional silk fabric with jacquard effect according to claim 1, characterized in that: The inspection and packaging include performance testing and packaging for warehousing; Performance testing: The antibacterial, wrinkle-resistant, flame-retardant and breathable properties of the jacquard silk fabrics were tested; Packing and warehousing: The qualified fabrics are packed in rolls and stored in the warehouse.

7. The method for preparing a functional silk fabric with jacquard effect according to claim 3, characterized in that: The molar mass ratio of chitosan to glacial acetic acid is 1:100, the molar mass ratio of zinc oxide nano ions, silver-loaded activated carbon nano ions and deionized water is (4-6):3:100, the mass ratio of chitosan to gum arabic is 1:1, and the amount of glutaraldehyde used is 10%-20% of the total mass of chitosan and gum arabic.

8. The method for preparing a functional silk fabric with jacquard effect according to claim 1, characterized in that: The blending mass ratio of the pretreated polyester fiber, cotton fiber, silk fiber and aramid fiber is (2-3): (2-2.5): 1:

1.

9. The method for preparing a functional silk fabric with jacquard effect according to claim 2, characterized in that: The scouring liquid is an aqueous solution containing 2.5% caustic soda, 0.7% sodium dodecylbenzene sulfonate and 0.3% penetrant, and the bleaching liquid is an aqueous solution containing 2.5% hydrogen peroxide, 0.3% sodium silicate and 0.2% pH regulator.

10. The method for preparing a functional silk fabric with jacquard effect according to claim 4, characterized in that: The molar mass ratio of the deionized water, tricresyl phosphate, melamine-formaldehyde resin, ammonium chloride and softener is 100:10:1:0.1; the molar mass ratio of the deionized water, anti-wrinkle agent, ammonium chloride and softener is 100:10:(0.2-1):0.1.

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