CN111793998B - Nano-permeation washing-free process for polyester fabric - Google Patents
Nano-permeation washing-free process for polyester fabric Download PDFInfo
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- CN111793998B CN111793998B CN202010594711.1A CN202010594711A CN111793998B CN 111793998 B CN111793998 B CN 111793998B CN 202010594711 A CN202010594711 A CN 202010594711A CN 111793998 B CN111793998 B CN 111793998B
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- 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
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
- D06P3/54—Polyesters using dispersed dyestuffs
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- 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
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- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/6426—Heterocyclic compounds
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- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65168—Sulfur-containing compounds
- D06P1/65193—Compounds containing sulfite or sulfone groups
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- 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
- D06P1/94—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 dyes dissolved in solvents which are in the supercritical state
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- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2011—Application of vibrations, pulses or waves for non-thermic purposes
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- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2066—Thermic treatments of textile materials
- D06P5/2072—Thermic treatments of textile materials before dyeing
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- 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
- D06P7/00—Dyeing or printing processes combined with mechanical treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Abstract
The invention belongs to the technical field of printing and dyeing, and particularly relates to a nanometer permeation washing-free process for a polyester fabric, which comprises a base, a motor and a controller, wherein the base is provided with a plurality of through holes; the upper surface of the base is provided with a pressurizing box and a separating box; a pressurizing cavity is formed in the pressurizing box, and a separation cavity is formed in the separation box; the motor is arranged between the pressurizing box and the separating box; the motor is a bidirectional output motor; the pressurizing box is positioned below the pressurizing cavity, and the separating box is positioned below the separating cavity and is provided with power cavities; the output shafts of the motors extend into the power cavity; the output shafts of the motors are positioned in the power cavities and are sleeved with first bevel gears; according to the invention, through gasification and compression of the carbon dioxide fluid, and penetration of the dissolved disperse dye into the fiber in the gasification process, on one hand, the carbon dioxide is quickly gasified under normal pressure without residue, and meanwhile, the carbon dioxide is continuously recycled, so that the cost of the printing process is effectively saved.
Description
Technical Field
The invention belongs to the technical field of printing and dyeing, and particularly relates to a nanometer permeation washing-free process for a polyester fabric.
Background
In the prior art, steel mesh printing and thermal sublimation transfer printing technologies are mostly adopted when the polyester fabric is printed, wherein a dye is directly printed on the fabric by using a steel mesh, the fabric needs to be pretreated, and a large amount of water needs to be used for cleaning after printing is finished, on one hand, the discharge amount of waste water exceeds the standard and great influence is caused on the environment, on the other hand, the thermal transfer printing technology needs to print a disperse dye on transfer printing paper firstly, then the dye is sublimated into the fabric through high temperature and high pressure, the process does not need to be washed by water, but the dye is not thoroughly sublimated during transfer printing, the consumption of the thermal transfer printing paper is large, meanwhile, the high temperature easily causes damage to the fabrics which are not high in temperature resistance, such as polyester, and the texture of the polyester fabric is influenced, the prior art adopts a method for dissolving the disperse dye by using supercritical carbon dioxide and further dyeing the disperse dye on the fabric, because the solubility of the disperse dye in the supercritical carbon dioxide is high, and the supercritical carbon dioxide temperature is lower than the temperature endured by the polyester fabric, so the dyeing efficiency of the polyester fabric by using the technology is higher, but the technology is used for printing the polyester fabric, and the supercritical carbon oxide fluid has fluidity, so that the dye is easy to diffuse, and the printing is not accurate enough.
An environment-friendly waterless printing system issued by Chinese patent, patent number: 2018221058260, including two mounting panels, two the mounting groove has all been seted up on the lateral wall of the relative one side of mounting panel, every the belt pulley has all been installed in the mounting groove, every the common cover is equipped with the belt on the belt pulley, two the U template that the common fixedly connected with of the last lateral wall of mounting panel handstand set up, the belt facial make-up is equipped with places the board, fixed connection has the fixed plate that the level set up between the lateral wall of the relative one side of U template, the last lateral wall fixedly connected with cylinder of fixed plate, the drive end level of cylinder is towards U template and fixedly connected with push pedal. This scheme is placed the fabrics on placing the board, through starting the cylinder, the flexible push pedal that promotes of drive end of cylinder is controlled and is moved, drives the slider and slides, makes the shower nozzle remove about, can remove the shower nozzle to the position that needs the stamp, the position that location fabrics that can be accurate need the stamp, but because supercritical oxidation carbon fluid possesses strong fluidity in the gasification in the twinkling of an eye, sprays the easy gasification at the in-process of fabrics from the shower nozzle, and then enlarges the spray-dyeing area on the surface fabric surface, makes the disperse dyes spread on the surface fabric.
In view of the above, the invention develops a nano-permeation washing-free process for polyester fabric to solve the technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problem that in the prior art, supercritical carbon dioxide is used for printing the polyester fabric, and because carbon dioxide fluid has fluidity, dyes are easy to diffuse, and then the printing is not accurate enough, the invention provides a nano-permeation washing-free process for the polyester fabric.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention relates to a nanometer permeation washing-free process for a polyester fabric, which comprises the following steps of:
s1: introducing the disperse dye into a ball mill, controlling the rotating speed of the ball mill to be 460-600r/mim for high-speed grinding, introducing the ground product into a filter sieve for screening after grinding, and controlling the mesh number of the filter sieve to be 50-70 meshes to prepare the nano disperse dye; the disperse dye is fed into the ball mill for high-speed grinding, so that solid particles in the disperse dye can be effectively and thoroughly crushed, the speed of dissolving the disperse dye in supercritical carbon dioxide fluid is effectively increased, and meanwhile, the nanoscale disperse dye can permeate into the polyester fiber, so that the binding force between the dye and the fiber is enhanced;
s2: uniformly mixing polyester fibers with dimethyl sulfoxide and 1-ethyl-3-methylimidazolyl acetate, introducing the mixture into an ultrasonic generating device after mixing is finished, uniformly dispersing the mixture by using ultrasonic waves, standing the mixed solution of the polyester fibers for 1-2 hours, and drying the mixed solution of the polyester fibers in a vacuum drying oven; dimethyl sulfoxide and 1-ethyl-3-methylimidazolium acetate are used for soaking, dissolving and modifying the polyester fiber, and ultrasonic energy is used for impacting the fiber, so that the prepared polyester fiber has a loose structure and large gaps among the fibers, and the permeation rate of dye to the inside of the fiber is effectively increased;
s3: spinning the dried polyester fiber to obtain a polyester fabric, introducing the polyester fabric into a steam generating device, controlling the temperature in the steam generating device to be 125-140 ℃ for steaming, controlling the steaming time to be 15-20min, and naturally airing after steaming; the prepared polyester fabric is subjected to steam thermal steaming, so that the polyester fibers in the fabric are combed and wetted by steam, and the fabric is softer due to the influence of thermal expansion and contraction of the polyester fibers when the polyester fibers are cooled, so that the simplicity and convenience of dye permeation into the fibers are enhanced;
s4: introducing the terylene fabric with the water content of 15-18% and the nano disperse dye into an anhydrous printing machine, dissolving the nano disperse dye by using supercritical carbon dioxide fluid after heating and temperature rise, and passing through the terylene fabric at a high speed to complete an anhydrous printing process, and naturally cooling the dyed terylene fabric to normal temperature to obtain the terylene printing fabric;
the waterless printing machine in the S4 comprises a base, a motor and a controller; the upper surface of the base is provided with a pressurizing box and a separating box; a pressurizing cavity is formed in the pressurizing box, and a separation cavity is formed in the separation box; the motor is arranged between the pressurizing box and the separating box; the motor is a bidirectional output motor; the pressurizing box is positioned below the pressurizing cavity, and the separation box is positioned below the separation cavity and is provided with power cavities; the output shafts of the motors extend into the power cavity; the output shafts of the motors are positioned in the power cavities and are sleeved with first bevel gears; the power cavities are all rotationally connected with lead screws; the lead screws are sleeved with second bevel gears; the first bevel gear and the second bevel gear are meshed; the lead screw extends into the separation cavity and the pressurization cavity respectively; sliding plates are meshed with the screw rods in the separation cavity and the pressurization cavity; the sliding plates are all provided with one-way guide holes; the transverse cutting area of the separation cavity is larger than that of the pressurization cavity; an operating table is installed on the upper surface of the base through bolts; the upper surface of the operating platform is provided with a first groove; the first groove is internally and slidably connected with a pressing plate; the pressing plate is elastically connected with the first groove through a spring; the pressing plate is flush with the operating platform in an initial state; the operating platform is positioned on one side of the first groove, which is close to the base, and is provided with a first through groove; a dye cavity is formed at one end of the pressure increasing box close to the operating platform; the dye cavity is arranged at an opening at one side of the pressure increasing box; a dye box is connected in the dye cavity in a sliding manner; the upper opening and the inner lower surface of the dye box are fixedly connected with a one-way plug; the dye cavity and the pressurizing cavity are communicated; one end of the dye cavity, far away from the opening, is elastically connected with a sealing plate through a spring; a conduction pipe is fixedly connected in the first through groove; one end of the conduction pipe, which is far away from the first through groove, penetrates through the pressurization box and extends into the dye cavity; a second sliding chute is formed at the junction of the conduction pipe and the dye cavity; an electric push rod is arranged in the second sliding groove; a conduction plate is connected in the second sliding chute in a sliding manner; one side of the conduction plate is provided with an opening; the base is positioned on one side of the separation box close to the operating platform and is fixedly connected with a supporting rod; the support rod is hinged with a rotating cover; a second groove is formed in one side, close to the operating platform, of the rotating cover; a laminated plate is fixedly connected in the second groove; the laminated plate protrudes out of the second groove; mounting grooves are formed in the opposite sides of the pressing plate and the pressing plate; the mounting grooves are all designed in a T shape; a template is arranged in the mounting groove; the surfaces of the template, the pressing plate and the pressing plate are flush; an air extractor is arranged on one side, away from the operating platform, of the rotating cover; one side of the air pump, which is far away from the rotating cover, is communicated with the bottom end of the separation cavity through a guide pipe; the top end of the separation cavity is communicated with the bottom end of the pressurizing cavity through a guide pipe; the dye cavity is communicated with the bottom end of the separation cavity through a guide pipe; the conducting parts of the separation cavity and the guide pipe are both hinged with a one-way sealing plate; the controller is used for controlling the electric push rod, the air extractor and the motor through electric connection.
In the prior art, steel mesh printing and thermal sublimation transfer printing technologies are mostly adopted when the polyester fabric is subjected to a printing process, wherein a dye is directly printed on the fabric by using a steel mesh, the fabric needs to be pretreated, and a large amount of water needs to be used for cleaning after printing is finished, on one hand, the discharge amount of waste water exceeds the standard, so that a large influence is caused on the environment, on the other hand, the thermal transfer printing technology needs to print a disperse dye on transfer printing paper firstly, then the dye is sublimated into the fabric through high temperature and high pressure, the process does not need to be washed, but the dye is not thoroughly sublimated during transfer printing, so that the consumption of thermal transfer printing paper is large, meanwhile, the high temperature easily causes damage to the fabrics which are not high in temperature resistance, such as polyester, so that the texture of the polyester fabric is influenced, the prior art adopts a method for dissolving the disperse dye by using supercritical carbon dioxide, so that the disperse dye is used for dyeing the fabric, and the solubility of the disperse dye in the supercritical carbon dioxide is high, and the temperature of the supercritical carbon dioxide is lower than the temperature endured by the terylene fabric, so the dyeing efficiency of the terylene fabric is higher by using the technology, but the terylene fabric is printed by using the technology, because the carbon dioxide fluid has fluidity, the dye is easy to diffuse, and the printing is not accurate enough, when the technology is used, the supercritical carbon dioxide fluid is charged into a pressurizing cavity in advance, the supercritical carbon dioxide fluid extrudes a one-way plug at the bottom of a dye box and then enters the dye box to be mixed and dissolved with the dye, a template carved with printing patterns is arranged in mounting grooves formed on a pressing plate and a pressing plate, the terylene fabric is placed on an operation table, the part to be printed is aligned with the patterns carved on the template, the rotating cover is manually pulled to rotate, the pressing plate fixedly connected on the rotating cover is pressed on the upper part of the terylene fabric, and the terylene fabric is fixed together with the pressing plate, meanwhile, the rotating cover extrudes the pressing plate in the downward rotating process, so that the pressing plate and the fabric are retracted into the first groove together, at the moment, the controller starts the motor, the electric push rod and the air extractor, the motor rotates, so that the first bevel gear sleeved on the output shaft of the motor in the power cavity rotates, the lead screw is driven to rotate through the engagement between the first bevel gear and the second bevel gear, the lead screw rotates, so that the pressurizing cavity and the sliding plate in the separation cavity slide in the pressurizing cavity and the separation cavity, the supercritical carbon dioxide in the pressurizing cavity is pushed into the dye box by the sliding plate, the supercritical carbon dioxide fluid with dye dissolved in the dye box enters the first groove through the opening of the coincidence of the conducting plate and the conducting pipe, and the supercritical carbon dioxide fluid is reduced in pressure under the powerful drawing action of the exhaust fan through the carved pattern on the template, and then the part is gasified to drive the dye to permeate into the terylene fabric, in the process of passing through the fabric, the supercritical carbon dioxide fluid is continuously gasified to separate out the dissolved dye, the separated dye is influenced by radial strong force under the action of air flow and can not be diffused and gradually permeates into the terylene fiber under the action of the supercritical carbon dioxide fluid to further complete the printing process, meanwhile, the supercritical carbon dioxide fluid, the gasified carbon dioxide and the separated redundant dye are extracted by an air extractor and enter a separation cavity through a guide pipe, because a sliding plate in the separation cavity is driven to slide upwards when a motor rotates, the air pressure at the bottom of the separation cavity is reduced to form negative pressure, the supercritical carbon dioxide fluid enters a negative pressure environment to be quickly gasified and separate out the dye dissolved in the fluid, because the cross section of the separation cavity is larger than the cross-sectional area of a pressurizing cavity, the carbon dioxide fluid entering the separation cavity is completely gasified, the pressure between the sliding plate and the separation cavity is increased, the motor starts to rotate reversely through program control after rotating for a certain time, the sliding plate moves downwards along the screw rod through transmission, the sliding plate in the separation cavity moves downwards, the air pressure is increased, the one-way guide hole on the sliding plate is opened, the carbon dioxide gas in the separation cavity and the disperse dye are separated through the sliding plate, when printing is carried out again, the sliding plate moves upwards to extrude the carbon dioxide gas in the separation cavity to be conveyed into the pressurization cavity through the guide pipe at the top end of the separation cavity and compressed into supercritical carbon dioxide fluid, the dissolved disperse dye is permeated into fibers in the gasification process through gasification and compression of the carbon dioxide fluid, on one hand, the carbon dioxide is quickly gasified under normal pressure without residue, and simultaneously, the carbon dioxide is continuously recycled, the cost of the printing process is effectively saved, the probability of diffusion of the dye in the permeation process is effectively reduced through the flowability of the air pump and the supercritical carbon dioxide fluid and the clamping effect of the two templates on the fabric, and meanwhile, the anhydrous printing machine is simple in structure and low in manufacturing cost.
Preferably, the first through groove is in a cross-shaped design; one end of the first through groove, which is close to the conduction pipe, is fixedly connected with a guide plate; first flow guide holes are uniformly distributed in the flow guide plate; a rotating plate is rotationally connected in the first through groove; the rotating plate is provided with second flow guide holes which are uniformly distributed; the circumferential surface of the rotating plate is fixedly connected with evenly distributed press blocks; the pressing block is elastically connected with the side wall of the first through groove through a spring; one side of the pressing block is designed to be inclined; one side of the pressing plate, which is close to the first through groove, is fixedly connected with uniformly distributed pressing rods; the pressing rods extend into the first through grooves and correspond to the pressing blocks one by one; the first diversion holes and the second diversion holes are designed in a staggered mode in the initial state; when the device works, the rotating cover is rotated, the pressing plate extrudes the pressing block through the pressing rod fixedly connected on the pressing plate in the process of pressing the pressing plate into the first groove, because the extruded surface of the pressing block is an inclined surface, the pressing block is communicated with the fixedly connected rotating plate and rotates in the first through groove, so that the second diversion hole formed on the rotating plate is superposed with the first diversion hole formed on the guide plate, the conduction pipe is conducted with the first groove, the printing process is completed, the design of the rotating plate is realized, on one hand, the flow channel of the supercritical carbon dioxide is formed for secondary sealing, the leakage probability after the supercritical carbon dioxide dissolves dye is further reduced, meanwhile, the pressing plate is extruded through the pressing plate, so that the second diversion hole on the rotating plate is conducted with the first diversion hole on the guide plate, and the situation that the rotating cover is not tightly combined with the operation table in the operation process can be effectively avoided, the leakage of supercritical carbon dioxide fluid in the printing and dyeing process is avoided, and further dye diffusion is caused, so that the printing edge is not clear enough.
Preferably, a rotating groove is formed in one side, located on the first groove, of the operating platform; the operating platform is rotatably connected with a rotating rod through a rotating groove; the rotating rod extends into the first groove; the rotating rod is positioned in the first groove and fixedly connected with a top plate; the top plate ejects the pressing plate out of the first groove through angle change; one end of the rotating rod, which is far away from the first groove, is designed in a gear shape; the during operation, because the stamp pattern is diversified, the template needs often to be torn open and trade, because according to platen and operation panel parallel and level and set for, comparatively inconvenient during the formwork erection, through rotating the dwang, and then the roof that makes one end link firmly in the dwang is located first recess rotates, and then makes the roof will press the first recess of platen top department, can make the mounting groove of seting up on the platen switch on with the external world, the installation and the dismantlement of the template of being convenient for.
Preferably, the distance between the screw threads of the screw rods in the separation cavity is larger than that between the screw threads of the screw rods in the pressurization cavity; when the device works, the motor enables the screw rod to be positioned in the pressurizing cavity and the separation cavity to rotate through the meshing between the first bevel gear and the second bevel gear, so that the sliding plate slides, the distance between the screw threads of the screw rod in the separation cavity is larger than that between the screw threads of the screw rod in the pressurizing cavity, so that the upward moving speed of the sliding plate in the separation cavity is larger than that of the sliding plate in the pressurizing cavity when printing and dyeing, and further negative pressure is formed in the separation cavity, so that supercritical carbon dioxide fluid is convenient to transfer, and meanwhile, when the sliding plate in the separation cavity moves upwards, carbon dioxide gas in the separation cavity is conveyed into the pressurizing cavity, so that the compression effect on the carbon dioxide gas can be enhanced, and further, the supercritical carbon dioxide fluid in the pressurizing cavity is convenient to supplement.
Preferably, the first flow guide holes and the second flow guide holes are designed to be gradually and densely arranged in the radial direction by taking the conduction pipe as the center; a flow distribution plate is fixedly connected in the second groove; the flow distribution plate is provided with flow distribution holes; the shunting holes are designed radially and gradually densely by taking an air exhaust pipe of the air extractor as a center; during operation, supercritical carbon dioxide fluid carries dyestuff via conduction pipe, first logical groove, surface fabric and air extractor entering separator box in, at the in-process that flows, through designing the distribution in reposition of redundant personnel hole and first water conservancy diversion hole, second water conservancy diversion hole, and it is more even to distribute when can making the fluid act on the surface fabric, and then promotes the homogeneity of stamp effectively, makes the stamp colour more even.
Preferably, one side of the rotating plate opposite to the flow distribution plate is in an arc shape, and the arc-shaped openings are in opposite design; the during operation, supercritical carbon dioxide fluid is at the in-process that flows, because the gas velocity of flow is great near diversion hole and first water conservancy diversion hole, second water conservancy diversion hole near the conduction pipe and the exhaust tube of air extractor are close, and then to surface fabric impact dynamics great, through the distance of adjustment diversion hole and second water conservancy diversion hole apart from the surface fabric, and then make the air current impact dynamics of strikeing on the surface fabric comparatively even, and then make the surface fabric receive the impact effect more even effectively, and then make the surface fabric stamp color more evenly.
The invention has the following beneficial effects:
1. according to the nanometer permeation washing-free process for the polyester fabric, the carbon dioxide fluid is gasified and compressed, and the dissolved disperse dye permeates into the fiber in the gasification process, so that on one hand, the carbon dioxide is quickly gasified under normal pressure without residue, meanwhile, the carbon dioxide is continuously recycled, the cost of a printing process is effectively saved, and the probability of the dye diffusion phenomenon in the permeation process is effectively reduced through the flowability of the air extractor and the supercritical carbon dioxide fluid and the clamping effect of the two templates on the fabric.
2. According to the nanometer permeation washing-free process for the polyester fabric, the press plate is extruded through the press plate, the second flow guide holes in the rotating plate are communicated with the first flow guide holes in the flow guide plate, the situation that the rotating cover and an operation table are not tightly combined in the operation process can be effectively avoided, and the situation that the dye is diffused to cause that the printing edge is not clear enough due to the leakage of supercritical carbon dioxide fluid in the printing and dyeing process is avoided.
3. According to the nanometer permeation washing-free process for the polyester fabric, the airflow impact strength on the fabric is more uniform by distributing the shunting holes and the first and second flow guide holes and adjusting the distance between the shunting holes and the second flow guide holes and the fabric, so that the fabric is more uniformly impacted, and the fabric is more uniformly printed and colored.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a front view of the waterless decorating machine;
FIG. 3 is a cross-sectional view of a waterless decorating machine;
FIG. 4 is a front view of the rotating plate;
in the figure: the dye cartridge comprises a base 1, a motor 11, a pressurizing box 2, a dye cartridge 21, a sealing plate 22, a separating box 3, a first bevel gear 12, a second bevel gear 13, a screw 14, a sliding plate 15, an operation table 4, a pressing plate 41, a conduction pipe 42, a conduction plate 43, a guide plate 44, a rotating plate 45, a pressing block 46, a pressing rod 47, a support rod 5, a rotating cover 51, a pressing plate 52, an air extractor 53, a flow distribution plate 54 and a rotating rod 6.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the nanometer permeation washing-free process for the polyester fabric comprises the following steps:
s1: introducing the disperse dye into a ball mill, controlling the rotating speed of the ball mill to be 460-600r/mim for high-speed grinding, introducing the crushed product into a filter sieve for screening after grinding, and controlling the mesh number of the filter sieve to be 50-70 meshes to prepare the nano disperse dye; the disperse dye is fed into the ball mill for high-speed grinding, so that solid particles in the disperse dye can be effectively and thoroughly crushed, the speed of dissolving the disperse dye in supercritical carbon dioxide fluid is effectively increased, and meanwhile, the nanoscale disperse dye can permeate into the polyester fiber, so that the binding force between the dye and the fiber is enhanced;
s2: uniformly mixing polyester fibers with dimethyl sulfoxide and 1-ethyl-3-methylimidazolyl acetate, introducing the mixture into an ultrasonic generating device after mixing is finished, uniformly dispersing the mixture by using ultrasonic waves, standing the mixed solution of the polyester fibers for 1-2 hours, and drying the mixed solution of the polyester fibers in a vacuum drying oven; dimethyl sulfoxide and 1-ethyl-3-methylimidazolium acetate are used for soaking, dissolving and modifying the polyester fiber, and ultrasonic energy is used for impacting the fiber, so that the prepared polyester fiber has a loose structure and large gaps among the fibers, and the permeation rate of dye to the inside of the fiber is effectively increased;
s3: spinning the dried polyester fiber to obtain a polyester fabric, introducing the polyester fabric into a steam generating device, controlling the temperature in the steam generating device to be 125-140 ℃ for steaming, controlling the steaming time to be 15-20min, and naturally airing after steaming; the prepared polyester fabric is subjected to steam thermal steaming, so that the polyester fibers in the fabric are combed and wetted by steam, and the fabric is softer due to the influence of thermal expansion and contraction of the polyester fibers when cooled, so that the simplicity of dye permeation into the fibers is enhanced;
s4: introducing the terylene fabric with the water content of 15-18% and the nano disperse dye into an anhydrous printing machine, dissolving the nano disperse dye by using supercritical carbon dioxide fluid after heating and temperature rise, and passing through the terylene fabric at a high speed to complete an anhydrous printing process, and naturally cooling the dyed terylene fabric to normal temperature to obtain the terylene printing fabric;
the waterless printing machine in S4 comprises a base 1, a motor 11 and a controller; the upper surface of the base 1 is provided with a pressurizing box 2 and a separating box 3; a pressurizing cavity is formed in the pressurizing box 2, and a separation cavity is formed in the separation box 3; the motor 11 is arranged between the pressure increasing box 2 and the separating box 3; the motor 11 is a bidirectional output motor 11; the pressurizing box 2 is positioned below the pressurizing cavity, and the separating box 3 is positioned below the separating cavity and is provided with power cavities; the output shafts of the motors 11 extend into the power cavity; the output shafts of the motors 11 are positioned in the power cavities and are sleeved with first bevel gears 12; the power cavities are all rotationally connected with a screw rod 14; the lead screw 14 is sleeved with a second bevel gear 13; the first bevel gear 12 and the second bevel gear 13 are meshed; the screw 14 extends into the separation cavity and the pressurizing cavity respectively; the screw rod 14 is positioned in the separation cavity and the pressurization cavity and is engaged with a sliding plate 15; the sliding plates 15 are all provided with one-way guide holes; the transverse cutting area of the separation cavity is larger than that of the pressurization cavity; an operating table 4 is installed on the upper surface of the base 1 through bolts; a first groove is formed in the upper surface of the operating platform 4; a pressing plate 41 is connected in the first groove in a sliding manner; the pressing plate 41 is elastically connected with the first groove through a spring; the pressing plate 41 is flush with the operation table 4 in the initial state; the operating table 4 is positioned at one side of the first groove close to the base 1 and is provided with a first through groove; a dye cavity is formed at one end of the pressure increasing box 2 close to the operating platform 4; the dye cavity is arranged at the opening at one side of the pressurizing box 2; a dye box 21 is connected in the dye cavity in a sliding manner; the upper opening and the inner lower surface of the dye box 21 are fixedly connected with a one-way plug; the dye cavity and the pressurizing cavity are communicated; one end of the dye cavity far away from the opening is elastically connected with a sealing plate 22 through a spring; a conduction pipe 42 is fixedly connected in the first through groove; one end of the conduction pipe 42, far away from the first through groove, penetrates through the pressure increasing box 2 and extends into the dye cavity; a second sliding chute is formed at the junction of the conduction pipe 42 and the dye cavity; an electric push rod is arranged in the second sliding groove; a conduction plate 43 is connected in the second sliding chute in a sliding manner; the conduction plate 43 is provided with an opening at one side; a supporting rod 5 is fixedly connected to one side, close to the operating platform 4, of the separation box 3 of the base 1; the support rod 5 is hinged with a rotary cover 51; a second groove is formed in one side, close to the operating platform 4, of the rotating cover 51; a pressing plate 52 is fixedly connected in the second groove; the laminated plate 52 protrudes out of the second groove design; mounting grooves are formed in the opposite sides of the pressing plate 52 and the pressing plate 41; the mounting grooves are all designed in a T shape; a template is arranged in the mounting groove; the surfaces of the template, the pressing plate 52 and the pressing plate 41 are flush; an air extractor 53 is arranged on one side of the rotating cover 51 far away from the operating platform 4; one side of the air pump 53, which is far away from the rotating cover 51, is communicated with the bottom end of the separation cavity through a guide pipe; the top end of the separation cavity is communicated with the bottom end of the pressurizing cavity through a guide pipe; the dye cavity is communicated with the bottom end of the separation cavity through a guide pipe; the conducting parts of the separation cavity and the guide pipe are both hinged with a one-way sealing plate; the controller is used for controlling the electric push rod, the air pump 53 and the motor 11 through electric connection.
In the prior art, steel mesh printing and thermal sublimation transfer printing technologies are mostly adopted when the polyester fabric is subjected to a printing process, wherein a dye is directly printed on the fabric by using a steel mesh, the fabric needs to be pretreated, and a large amount of water needs to be used for cleaning after printing is finished, on one hand, the discharge amount of waste water exceeds the standard, so that a large influence is caused on the environment, on the other hand, the thermal transfer printing technology needs to print a disperse dye on transfer printing paper firstly, then the dye is sublimated into the fabric through high temperature and high pressure, the process does not need to be washed, but the dye is not thoroughly sublimated during transfer printing, so that the consumption of thermal transfer printing paper is large, meanwhile, the high temperature easily causes damage to the fabrics which are not high in temperature resistance, such as polyester, so that the texture of the polyester fabric is influenced, the prior art adopts a method for dissolving the disperse dye by using supercritical carbon dioxide, so that the disperse dye is used for dyeing the fabric, and the solubility of the disperse dye in the supercritical carbon dioxide is high, and the temperature of the supercritical carbon dioxide is lower than the temperature endured by the terylene fabric, so the dyeing efficiency of the terylene fabric by using the technology is higher, but the terylene fabric is printed by using the technology, because the carbon dioxide fluid has fluidity, the dye is easy to diffuse, and the printing is not accurate enough, when in use, the supercritical carbon dioxide fluid is charged into a pressurizing cavity in advance, the supercritical carbon dioxide fluid extrudes a one-way plug at the bottom of the dye box 21 and then enters the dye box 21 to be mixed and dissolved with the dye, a template engraved with printing patterns is arranged in the mounting grooves formed on the pressing plate 52 and the pressing plate 41, the terylene fabric is arranged on the operation table 4, the part to be printed is aligned with the patterns engraved on the template, the rotating cover 51 is manually pulled to rotate the rotating cover 51, and the pressing plate 52 fixedly connected on the rotating cover 51 is pressed on the upper part of the terylene fabric, fixing the fabric together with the pressing plate 41, simultaneously pressing the pressing plate 41 by the rotating cover 51 in the process of downward rotation, further retracting the pressing plate 41 and the fabric into the first groove together, at this time, starting the motor 11, the electric push rod and the air pump 53 by the controller, rotating the motor 11, further rotating the first bevel gear 12 sleeved on the output shaft of the motor 11 positioned in the power cavity, and driving the lead screw 14 to rotate through the engagement between the first bevel gear 12 and the second bevel gear 13, rotating the lead screw 14, further sliding the sliding plate 15 in the pressurizing cavity and the separation cavity in the pressurizing cavity, pushing the supercritical carbon dioxide in the pressurizing cavity into the dye box 21 by the sliding plate 15, and enabling the supercritical carbon dioxide fluid with the dye dissolved in the dye box 21 to enter the first groove through the opening of the conduction plate 43 and the conduction pipe 42, and through the printed pattern carved on the template, under the powerful extraction action of the exhaust fan, the supercritical carbon dioxide fluid is reduced in pressure and then partially gasified to drive the dye to permeate into the terylene fabric, in the process of passing through the fabric, the supercritical carbon dioxide fluid is continuously gasified to further separate out the dissolved dye, the separated dye is influenced by radial strong action force under the action of airflow and is not diffused, and gradually permeates into the terylene fiber under the action of the supercritical carbon dioxide fluid to further complete the printing process, meanwhile, the supercritical carbon dioxide fluid, the gasified carbon dioxide and the separated redundant dye are extracted by the air extractor 53 and enter the separation cavity through the guide pipe, as the sliding plate 15 in the separation cavity is driven to slide upwards when the motor 11 rotates, the air pressure at the bottom of the separation cavity is reduced to form negative pressure, and the supercritical carbon dioxide fluid is rapidly gasified in a negative pressure environment, and separating out the dye dissolved in the fluid, because the cross section of the separation cavity is larger than the cross section area of the pressurization cavity, the carbon dioxide fluid entering the separation cavity is completely gasified, the pressure between the sliding plate 15 and the separation cavity is increased, when the motor 11 rotates for a certain time, the reverse rotation is started through program control, the sliding plate 15 moves downwards along the screw 14 through transmission, the sliding plate 15 in the separation cavity moves downwards, the air pressure is increased, the one-way guide hole on the sliding plate 15 is opened, the carbon dioxide gas and the disperse dye in the separation cavity are separated through the sliding plate 15, when the printing is carried out again, the sliding plate 15 moves upwards to extrude the carbon dioxide gas in the separation cavity to be conveyed into the pressurization cavity through the guide pipe at the top end of the separation cavity and be compressed into the supercritical carbon dioxide fluid, and the dissolved disperse dye is permeated into the fiber in the gasification process through the gasification process, on the one hand, carbon dioxide is rapidly gasified under normal pressure without residue, and meanwhile, carbon dioxide is continuously recycled, so that the cost of the printing process is effectively saved, the probability of diffusion of dye in the permeation process is effectively reduced through the flowability of the air pump 53 and supercritical carbon dioxide fluid and the clamping effect of the two templates on the fabric, and meanwhile, the structure of the waterless printing machine is simpler and the manufacturing cost is lower.
As an embodiment of the present invention, the first through groove is in a cross-shaped design; a guide plate 44 is fixedly connected to one end of the first through groove, which is close to the conduction pipe 42; the guide plate 44 is provided with first guide holes which are uniformly distributed; a rotating plate 45 is rotatably connected in the first through groove; second diversion holes are uniformly distributed in the rotating plate 45; the circumferential surface of the rotating plate 45 is fixedly connected with evenly distributed press blocks 46; the pressing block 46 is elastically connected with the side wall of the first through groove through a spring; one side of the pressing block 46 is designed to be inclined; one side of the pressing plate 41 close to the first through groove is fixedly connected with uniformly distributed pressing rods 47; the pressing rods 47 extend into the first through grooves and correspond to the pressing blocks 46 one by one; the first diversion holes and the second diversion holes are designed in a staggered mode in the initial state; when the device works, the rotating cover 51 is rotated, the pressing plate 52 presses the pressing plate 41 towards the first groove, the pressing rod 47 fixedly connected with the pressing plate 41 extrudes the pressing block 46, because the pressing surface of the pressing block 46 is an inclined surface, the pressing block 46 is communicated with the fixedly connected rotating plate 45 and rotates in the first through groove, so that the second diversion hole formed in the rotating plate 45 is overlapped with the first diversion hole formed in the guide plate 44, the conduction pipe 42 is conducted with the first groove, the printing process is completed, the design of the rotating plate 45, on one hand, a channel for flowing the supercritical carbon dioxide is formed for secondary sealing, the leakage probability after the supercritical carbon dioxide dissolves dye is reduced, meanwhile, the pressing plate 52 extrudes the pressing plate 41, so that the second diversion hole in the rotating plate 45 is conducted with the first diversion hole in the guide plate 44, the problem that the rotating cover 51 is not tightly combined with the operation table 4 in the operation process can be effectively avoided, the leakage of supercritical carbon dioxide fluid in the printing and dyeing process is avoided, and further dye diffusion is caused, so that the printing edge is not clear enough.
As an embodiment of the present invention, a rotating groove is formed on one side of the operating platform 4, which is located on the first groove; the operating platform 4 is rotatably connected with a rotating rod 6 through a rotating groove; the rotating rod 6 extends into the first groove; the rotating rod 6 is positioned in the first groove and fixedly connected with a top plate; the top plate ejects the pressing plate 41 out of the first groove through angle change; one end of the rotating rod 6, which is far away from the first groove, is designed in a gear shape; the during operation, because the stamp pattern is diversified, the template needs often to be torn open and trade, because according to the setting of 4 parallel and levels of clamp plate 41 and operation panel, comparatively inconvenient during the formwork erection, through rotating dwang 6, and then the roof that makes dwang 6 be located the interior one end of first recess and link firmly rotates, and then makes the roof will press the first recess in clamp plate 41 top department, can make the mounting groove of seting up on the clamp plate 41 switch on with the external world, the installation and the dismantlement of the template of being convenient for.
As an embodiment of the present invention, the pitch of the screw threads of the lead screw 14 in the separation cavity is larger than the pitch of the screw threads of the lead screw 14 in the pressurization cavity; when the device works, the motor 11 enables the screw rod 14 to be positioned in the pressurizing cavity and the separating cavity to rotate through the meshing between the first bevel gear 12 and the second bevel gear 13, and further enables the sliding plate 15 to slide, the thread distance of the screw rod 14 in the separating cavity is larger than the thread distance of the screw rod 14 in the pressurizing cavity, so that the upward moving speed of the sliding plate 15 in the separating cavity is larger than that of the sliding plate 15 in the pressurizing cavity when printing and dyeing, and further negative pressure is formed in the separating cavity, so that supercritical carbon dioxide fluid is convenient to transfer, and meanwhile, carbon dioxide gas in the separating cavity is conveyed into the pressurizing cavity when the sliding plate 15 in the separating cavity moves upward, so that the compression effect on the carbon dioxide gas can be enhanced, and further, the supercritical carbon dioxide fluid in the pressurizing cavity is convenient to supplement.
As an embodiment of the present invention, the first guide holes and the second guide holes are radially and gradually densely designed with the guide pipe 42 as a center; a flow distribution plate 54 is fixedly connected in the second groove; the splitter plate 54 is provided with splitter holes; the shunting holes are designed to be gradually and densely arranged in the radial direction by taking an air exhaust pipe of an air exhauster 53 as a center; during operation, supercritical carbon dioxide fluid carries dyestuff and gets into separator box 3 via conduction pipe 42, first logical groove, surface fabric and air extractor 53 in, at the in-process that flows, through designing the distribution in reposition of redundant personnel hole and first water conservancy diversion hole, second water conservancy diversion hole, and it is more even to distribute when can making the fluid act on the surface fabric, and then promotes the homogeneity of stamp effectively, makes the stamp colour more even.
As an embodiment of the present invention, the opposite sides of the rotating plate 45 and the splitter plate 54 are both designed in a circular arc shape, and the circular arc-shaped openings are designed oppositely; during operation, supercritical carbon dioxide fluid is at the in-process that flows, because the shunt hole and first water conservancy diversion hole near apart from conduction pipe 42 and air extractor 53 exhaust tube are nearer, the near gaseous velocity of flow of second water conservancy diversion hole is great, and then is great to surface fabric impact dynamics, through the distance of adjustment shunt hole and second water conservancy diversion hole apart from the surface fabric, and then make the air current impact dynamics of strikeing on the surface fabric comparatively even, and then make the surface fabric receive the impact effect more even effectively, and then make the surface fabric stamp color more even.
The specific working process is as follows:
when the device works, supercritical carbon dioxide fluid is filled into a pressurizing cavity in advance, the supercritical carbon dioxide fluid extrudes a one-way plug at the bottom of the dye box 21, then enters the dye box 21 to be mixed and dissolved with dye, a template carved with a printing pattern is arranged in mounting grooves formed in the pressing plate 52 and the pressing plate 41, the terylene fabric is placed on the operation table 4, the part to be printed is aligned with the pattern carved on the template, the rotating cover 51 is manually pulled to rotate the rotating cover 51, the pressing plate 52 fixedly connected on the rotating cover 51 is pressed on the upper part of the fabric and fixed together with the pressing plate 41, meanwhile, the rotating cover 51 extrudes the pressing plate 41 in the downward rotating process, so that the pressing plate 41 and the fabric are retracted into a first groove together, at the moment, the motor 11, the electric push rod and the air extractor 53 are started through the controller, and the motor 11 rotates, further, the first bevel gear 12 sleeved on the output shaft of the motor 11 positioned in the power cavity rotates, the first bevel gear 12 is engaged with the second bevel gear 13 to drive the lead screw 14 to rotate, the lead screw 14 rotates to drive the sliding plate 15 in the pressurizing cavity and the separating cavity to slide in the pressurizing cavity and the separating cavity, the sliding plate 15 pushes the supercritical carbon dioxide in the pressurizing cavity into the dye box 21, the supercritical carbon dioxide fluid with dye dissolved in the dye box 21 enters the first groove through the opening of the conduction plate 43 and the conduction pipe 42 which are overlapped, and the supercritical carbon dioxide fluid is driven to permeate into the terylene fabric through the printed pattern carved on the template under the powerful drawing action of the exhaust fan due to the pressure reduction and partial gasification, and the supercritical carbon dioxide fluid is continuously gasified in the process of passing through the fabric, then dissolved dye is separated out, the separated dye is influenced by radial strong action force under the action of air flow and can not be diffused, and can be gradually permeated into the interior of the polyester fiber under the action of supercritical carbon dioxide fluid, so that the printing process is completed, at the same time, the supercritical carbon dioxide fluid, gasified carbon dioxide and separated redundant dye are extracted by air extractor 53 and can be fed into separation cavity by means of guide tube, and because the motor 11 is rotated, the sliding plate 15 in the separation cavity is driven to upwards slide, so that the air pressure of bottom portion of the separation cavity is reduced, and can form negative pressure, the supercritical carbon dioxide fluid can be quickly gasified in negative pressure environment, and can separate out the dye dissolved in the fluid, and because the cross section of the separation cavity is greater than the cross-sectional area of pressurization cavity, the carbon dioxide fluid fed into the separation cavity is completely gasified, and the pressure between the sliding plate 15 and the separation cavity is increased, and after the motor 11 is rotated for a certain time, the reverse rotation is started through program control, and then the sliding plate 15 moves downwards along the lead screw 14 through transmission, the sliding plate 15 moves downwards in the separation cavity, the air pressure is increased, and then the one-way guide hole on the sliding plate 15 is opened, so that the carbon dioxide gas in the separation cavity is separated from the disperse dye through the sliding plate 15, when printing is carried out again, the sliding plate 15 moves upwards to extrude the carbon dioxide gas in the separation cavity to be conveyed into the pressurizing cavity through the guide pipe at the top end of the separation cavity, and the carbon dioxide gas is compressed into the supercritical carbon dioxide fluid.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A polyester fabric nano-permeation washing-free process is characterized by comprising the following steps: the polyester fabric nano-penetration washing-free process comprises the following steps:
s1: introducing the disperse dye into a ball mill, controlling the rotating speed of the ball mill to be 460-600r/min for high-speed grinding, introducing the ground product into a filter sieve for screening after grinding, and controlling the mesh number of the filter sieve to be 50-70 meshes to prepare the nano disperse dye;
s2: uniformly mixing polyester fibers with dimethyl sulfoxide and 1-ethyl-3-methylimidazole acetate, introducing the mixture into an ultrasonic generating device after mixing, uniformly dispersing the mixture by using ultrasonic waves, standing the mixed solution of the polyester fibers for 1 to 2 hours, and drying the mixed solution of the polyester fibers in a vacuum drying oven;
s3: spinning the dried polyester fiber to obtain a polyester fabric, introducing the polyester fabric into a steam generating device, controlling the temperature in the steam generating device to be 125-140 ℃ for steaming, controlling the steaming time to be 15-20min, and naturally airing after steaming;
s4: introducing the terylene fabric with the water content of 15-18% and the nano disperse dye into an anhydrous printing machine, dissolving the nano disperse dye by using supercritical carbon dioxide fluid after heating and temperature rise, and passing through the terylene fabric at a high speed to complete an anhydrous printing process, and naturally cooling the dyed terylene fabric to normal temperature to obtain the terylene printed fabric;
the waterless printing machine in the S4 comprises a base (1), a motor (11) and a controller; the upper surface of the base (1) is provided with a pressurizing box (2) and a separating box (3); a pressurizing cavity is formed in the pressurizing box (2), and a separation cavity is formed in the separation box (3); the motor (11) is arranged between the pressure increasing box (2) and the separating box (3); the motor (11) is a bidirectional output motor (11); the pressurizing box (2) is positioned below the pressurizing cavity, and the separating box (3) is positioned below the separating cavity and is provided with power cavities; output shafts of the motors (11) extend into the power cavity; the output shaft of the motor (11) is positioned in the power cavity and is sleeved with a first bevel gear (12); the power cavities are all rotatably connected with lead screws (14); the lead screws (14) are sleeved with second bevel gears (13); the first bevel gear (12) and the second bevel gear (13) are meshed with each other; the lead screw (14) extends into the separation cavity and the pressurization cavity respectively; the screw rod (14) is positioned in the separation cavity and the pressurization cavity and is engaged with a sliding plate (15); the sliding plates (15) are all provided with one-way guide holes; the transverse cutting area of the separation cavity is larger than that of the pressurization cavity; an operating table (4) is installed on the upper surface of the base (1) through bolts; a first groove is formed in the upper surface of the operating platform (4); a pressing plate (41) is connected in the first groove in a sliding manner; the pressing plate (41) is elastically connected with the first groove through a spring; the pressing plate (41) is flush with the operating platform (4) in the initial state; the operating table (4) is provided with a first through groove at one side of the first groove close to the base (1); a dye cavity is formed at one end of the pressure increasing box (2) close to the operating platform (4); the dye cavity is arranged at one side of the pressurizing box (2) and is provided with an opening; a dye box (21) is connected in the dye cavity in a sliding manner; the upper opening and the inner lower surface of the dye box (21) are fixedly connected with a one-way plug; the dye cavity and the pressurizing cavity are communicated; one end of the dye cavity, which is far away from the opening, is elastically connected with a sealing plate (22) through a spring; a conduction pipe (42) is fixedly connected in the first through groove; one end, far away from the first through groove, of the conduction pipe (42) penetrates through the pressurization box (2) and extends into the dye cavity; a second sliding groove is formed at the junction of the conduction pipe (42) and the dye cavity; an electric push rod is arranged in the second sliding groove; a conduction plate (43) is connected in the second sliding chute in a sliding manner; one side of the conduction plate (43) is provided with an opening; a support rod (5) is fixedly connected to one side, close to the operating platform (4), of the separation box (3) of the base (1); a rotating cover (51) is hinged on the support rod (5); a second groove is formed in one side, close to the operating platform (4), of the rotating cover (51); a pressing plate (52) is fixedly connected in the second groove; the laminated plate (52) protrudes out of the second groove; mounting grooves are formed in the opposite sides of the pressing plate (52) and the pressing plate (41); the mounting grooves are all designed in a T shape; a template is arranged in the mounting groove; the surfaces of the template, the pressing plate (52) and the pressing plate (41) are flush; an air extractor (53) is arranged on one side, away from the operating platform (4), of the rotating cover (51); one side of the air pump (53) far away from the rotating cover (51) is communicated with the bottom end of the separation cavity through a guide pipe; the top end of the separation cavity is communicated with the bottom end of the pressurizing cavity through a guide pipe; the dye cavity is communicated with the bottom end of the separation cavity through a guide pipe; the conducting parts of the separation cavity and the guide pipe are both hinged with a one-way sealing plate; the controller is used for controlling the electric push rod, the air pump (53) and the motor (11) through electric connection.
2. The nano-penetration water-washing-free process for the polyester fabric as claimed in claim 1, which is characterized in that: the first through groove is in a cross-shaped design; one end of the first through groove, which is close to the conduction pipe (42), is fixedly connected with a guide plate (44); the guide plate (44) is provided with first guide holes which are uniformly distributed; a rotating plate (45) is rotationally connected in the first through groove; the rotating plate (45) is provided with second flow guide holes which are uniformly distributed; the circumferential surface of the rotating plate (45) is fixedly connected with evenly distributed press blocks (46); the pressing block (46) is elastically connected with the side wall of the first through groove through a spring; one side of the pressing block (46) is designed to be inclined; one side of the pressing plate (41) close to the first through groove is fixedly connected with uniformly distributed pressing rods (47); the pressing rods (47) extend into the first through grooves and correspond to the pressing blocks (46) one by one; the first diversion holes and the second diversion holes are designed in a staggered mode in the initial state.
3. The polyester fabric nano-penetration washing-free process according to claim 1, which is characterized in that: a rotating groove is formed in one side, located on the first groove, of the operating table (4); the operating platform (4) is rotatably connected with a rotating rod (6) through a rotating groove; the rotating rod (6) extends into the first groove; the rotating rod (6) is positioned in the first groove and fixedly connected with a top plate; the top plate ejects the pressing plate (41) out of the first groove through angle change; the dwang (6) is kept away from first recess one end gear form design.
4. The polyester fabric nano-penetration washing-free process according to claim 1, which is characterized in that: the thread pitch of the lead screw (14) in the separation cavity is larger than that of the lead screw (14) in the pressurization cavity.
5. The polyester fabric nano-penetration washing-free process according to claim 2, which is characterized in that: the first flow guide holes and the second flow guide holes are radially and gradually densely designed by taking the conduction pipe (42) as the center; a flow distribution plate (54) is fixedly connected in the second groove; the flow distribution plate (54) is provided with flow distribution holes; the shunting holes are designed to be gradually and radially dense by taking an air exhaust pipe of an air exhauster (53) as a center.
6. The nanometer penetration washing-free process of the polyester fabric, according to claim 5, is characterized in that: the opposite sides of the rotating plate (45) and the flow distribution plate (54) are both designed in an arc shape, and arc-shaped openings are designed oppositely.
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| WO2015032022A1 (en) * | 2013-09-03 | 2015-03-12 | 苏州大学 | Method for colour-fixing processing of textile and device therefor |
| CN105032696A (en) * | 2015-07-14 | 2015-11-11 | 大连工业大学 | Supercritical carbon dioxide polyester button dyeing kettle and dyeing process thereof |
| CN106637753A (en) * | 2016-11-21 | 2017-05-10 | 大连工业大学 | Dyeing kettle and aramid fiber supercritical carbon dioxide waterless dyeing device and method |
| CN108867116A (en) * | 2018-04-27 | 2018-11-23 | 青岛即发集团股份有限公司 | A kind of supercritical CO2Colouring method and coloring system |
| CN209890899U (en) * | 2019-04-02 | 2020-01-03 | 湖州珍贝羊绒制品有限公司 | Supercritical carbon dioxide anhydrous dyeing device |
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Denomination of invention: A Process for Nano Permeation and Non washing of Polyester Fabric Effective date of registration: 20230831 Granted publication date: 20220823 Pledgee: Xuancheng Branch of China Construction Bank Corp. Pledgor: XUANCHENG K&O TEXTILE CO.,LTD. Registration number: Y2023980054657 |