WO2021166587A1 - Procédé d'impression par transfert pour tissu et dispositif d'impression par transfert pour tissu - Google Patents

Procédé d'impression par transfert pour tissu et dispositif d'impression par transfert pour tissu Download PDF

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Publication number
WO2021166587A1
WO2021166587A1 PCT/JP2021/003165 JP2021003165W WO2021166587A1 WO 2021166587 A1 WO2021166587 A1 WO 2021166587A1 JP 2021003165 W JP2021003165 W JP 2021003165W WO 2021166587 A1 WO2021166587 A1 WO 2021166587A1
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Prior art keywords
cloth
transfer
pattern
transferred
fabric
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PCT/JP2021/003165
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English (en)
Japanese (ja)
Inventor
宜康 碓氷
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株式会社ミマキエンジニアリング
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Priority claimed from JP2020197958A external-priority patent/JP2021130900A/ja
Application filed by 株式会社ミマキエンジニアリング filed Critical 株式会社ミマキエンジニアリング
Publication of WO2021166587A1 publication Critical patent/WO2021166587A1/fr

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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
    • D06P1/38—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 reactive dyes
    • 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
    • D06P5/003—Transfer printing
    • 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

Definitions

  • the present invention relates to a cloth transfer printing method and a cloth transfer printing device.
  • Patent Document 1 discloses a transfer printing method for cellulose or cellulose-blended fibers.
  • a transfer paper for sublimation transfer on which a desired pattern is printed is superposed on a pretreated cellulosic cotton cloth, and then the reaction is carried out by pressurizing while heating with steam.
  • the pattern printed with the ink containing the dye is transferred from the transfer paper to the cotton cloth.
  • heat and pressure are simultaneously applied to the overlapped transfer paper and cotton fabric to transfer and fix the pattern printed with ink containing a reactive dye to the cotton fabric to be transferred. ..
  • One aspect of the present case is a transfer printing method comprising a transfer step of transferring a pattern printed on the transfer paper to the cloth by pressure bonding between the transfer paper on which the pattern is printed with ink containing a reactive dye and the cloth. , Further, after the transfer step, there is a fixing step of fixing the transferred pattern to the cloth by heat treatment of the cloth to which the pattern is transferred.
  • the inventor of the present invention is keen on the cause that the accuracy of the pattern transferred to the cloth is lowered when the pattern is transferred to the cloth by pressure bonding between the transfer paper and the cloth and the pattern is fixed to the cloth by steam heat treatment at the same time.
  • investigated. resulting in (A) Moisture contained in the fabric is vaporized by the high temperature of the steam heat treatment for fixing the reactive dye to the fabric, and the reactive dye is incorporated into the vaporized moisture.
  • B It was found that a phenomenon called "color crying” occurs when a part of the reactive dye moves along the texture of the fabric together with the vaporized water, and the accuracy of the pattern is lowered. Therefore, in order to suppress the vaporization of water during transfer, it was found that "color crying" can be improved by transferring the pattern and fixing the transferred pattern separately instead of at the same time. Thereby, the transfer printing from the transfer paper to the fabric can be performed more appropriately.
  • the heat treatment is a wet heat treatment in which the fabric on which the pattern is transferred is steam-heated.
  • the transfer paper and the fabric are pressure-bonded at a temperature equal to or lower than the heating temperature in the wet heat treatment.
  • the design is transferred to the fabric.
  • the transfer process and the fixing process By separating the transfer process and the fixing process, it is possible to suppress a defect (color crying) when the two processes are performed together.
  • the time for crimping the transfer paper and the fabric can be shortened as compared with the case where the crimping and the steam heat treatment are performed at the same time, so that the vaporization of the moisture contained in the fabric can be suppressed.
  • the distance that the vaporized water moves along the texture of the fabric can be shortened, so that "color crying" can be suppressed. Thereby, the transfer printing from the transfer paper to the fabric can be performed more appropriately.
  • the fabric to which the pattern is transferred is steam-heated with a printing aid interposed therebetween.
  • One aspect of the present invention is a dry heat treatment in which the heat treatment heats the cloth on which the pattern is transferred, and in the transfer step, the transfer paper and the cloth are crimped at a temperature equal to or lower than the heating temperature in the dry heat treatment. By causing the pattern to be transferred to the cloth.
  • the inventor of the present invention has found that the transferred pattern can be satisfactorily adhered to the cloth by performing a dry heat treatment that heats the cloth to which the pattern is transferred instead of the steam heat treatment. ..
  • equipment for supplying steam such as a boiler and piping and fuel for operating the boiler are required, which increases the size of the equipment.
  • the equipment can be downsized as compared with the case of the steam heat treatment, so that the installation cost and the operation cost of the equipment can be suppressed as compared with the case of the steam heat treatment.
  • the time required for the transferred pattern to be fixed to the cloth is shorter in the dry heat treatment than in the steam heat treatment, the time required for the production of the cloth with the transferred pattern can be shortened.
  • the fabric to which the pattern is transferred is heated with a printing aid intervening.
  • One aspect of this case includes a coating step of applying the printing aid by spraying in a step prior to the fixing step.
  • the printing aid may be applied to either the cloth or the transfer paper, but the printing aid can be easily applied by applying the printing aid by spraying. Then, since the printing aid can be easily applied, the printing aid can be applied immediately before the transfer step. If the printing aid is applied to the fabric or transfer paper in advance, there is a concern about the influence of changes in the printing aid over time, but the transfer printing can be performed without causing such a concern.
  • the coating step is carried out in a step prior to the transfer step.
  • the printing aid is applied to the fabric in advance, the color of the fabric may change over time, which may affect the quality of the fabric after transfer printing.
  • the printing aid immediately before the fixing step, the occurrence of such a situation can be suitably prevented.
  • the moisture content contained in the fabric can be adjusted to the optimum moisture content for the transfer of the pattern, and then the transfer paper and the fabric can be pressure-bonded.
  • the design can be transferred to the fabric under the optimum conditions, so that the accuracy of the design transferred to the fabric can be ensured.
  • the design is transferred to the cloth by crimping the transfer paper and the cloth at a temperature of 100 ° C. or lower.
  • Color crying can be suppressed by lowering the heating temperature of the transfer process to 100 ° C or less, which is a temperature at which transfer is possible but moisture does not evaporate and steam is not generated.
  • the design is transferred to the cloth by crimping the transfer paper and the cloth in a state where moisture is interposed.
  • the presence of moisture is required for the transfer of a pattern printed with ink containing a reactive dye to a fabric.
  • the water content can be adjusted to the optimum water content for the transfer of the pattern.
  • the moisture is applied to the fabric side.
  • Moisture may be applied to the transfer paper side, but if water is applied to the transfer paper side, the ink may bleed. Therefore, by applying water to the fabric side on which the pattern is transferred, ink bleeding can be suppressed and transfer printing can be performed more appropriately.
  • One aspect of the present case is a transfer having a transfer step of transferring the pattern printed on the transfer paper to the cloth by crimping the transfer paper on which the pattern is printed with ink containing a reactive dye and the cloth to which moisture is applied. It ’s a printing method, Further, it has a fixing step of performing a wet heat treatment of steam heating on the cloth on which the pattern is transferred to fix the pattern transferred to the cloth.
  • the design is transferred to the fabric by crimping the transfer paper and the fabric under transfer conditions in which the design can be transferred to the fabric and the steam does not act on the fabric. ..
  • One aspect of the present case is a transfer paper on which a pattern is printed with ink containing a reactive dye, a transfer device that transfers the pattern printed on the transfer paper to the cloth by pressure bonding with the cloth, and a transfer device. It has a fixing device for fixing the transferred pattern to the cloth by heat-treating the cloth on which the pattern is transferred.
  • the fixing device is a wet heat treatment device that steam-heats the cloth on which the pattern is transferred, and in the transfer device, the transfer paper and the cloth are at a temperature equal to or lower than the heating temperature in the wet heat treatment device. By crimping with, the pattern is transferred to the cloth.
  • the pattern When the pattern is transferred to the cloth and the transferred pattern is fixed to the cloth separately, the pattern is transferred to the cloth and the transferred pattern is fixed to the cloth at the same time. Problems (color crying) can be suppressed. Further, since the time for crimping the transfer paper and the cloth for the transfer of the pattern can be shortened, the amount of water contained in the cloth vaporized at the time of crimping can be suppressed. This also suppresses color crying.
  • the fixing device is a dry heat treatment device that heats the cloth on which the pattern is transferred.
  • the design is transferred to the cloth by crimping.
  • the dry heat treatment that heats the cloth on which the pattern is transferred can also be performed to satisfactorily fix the transferred pattern to the cloth.
  • equipment for supplying steam such as a boiler and piping and fuel for operating the boiler are required, which increases the size of the equipment.
  • the equipment can be downsized as compared with the case of the steam heat treatment, so that the installation cost and the operation cost of the equipment can be suppressed as compared with the case of the steam heat treatment.
  • the time required for the transferred pattern to be fixed to the cloth is shorter in the dry heat treatment than in the steam heat treatment, the time required for the production of the cloth with the transferred pattern can be shortened.
  • transfer printing from transfer paper can be performed more appropriately.
  • FIG. 1 is a schematic view of the transfer printing apparatus 1 according to the embodiment.
  • the transfer printing device 1 is a device for transferring and printing a pattern printed on the transfer paper 2 onto the cloth 7.
  • design in the present specification does not mean only "gara” or “pattern” of the printed design, but also includes characters, patterns, and the like.
  • Cloth 7 is a woven fabric composed of plant fibers such as cotton and rayon.
  • the cloth 7 may be a blend of plant fibers and synthetic fibers such as polyester.
  • the cloth 7 may be a blend of animal fibers such as silk and wool, animal fibers and synthetic fibers such as polyester.
  • the basis weight of the cloth 7 is preferably 60 to 480 g / m 2 , and more preferably 60 to 200 g / m 2 .
  • the transfer printing apparatus 1 includes a printing apparatus 10, a pretreatment apparatus 20, a pressurizing apparatus 30 (transfer apparatus), a steaming apparatus 40 (fixing apparatus), a cleaning apparatus 50, and a drying apparatus. It has 60 and.
  • the printing device 10 prints a pattern for transfer printing on the transfer paper 2.
  • the printing device 10 may be any device that can print a pattern for transfer printing on the transfer paper 2.
  • the printing method can be appropriately selected from inkjet printing, gravure printing, offset printing, screen printing, and the like. In this embodiment, the inkjet printing type printing device 10 is adopted.
  • the transfer paper 2 is not particularly limited as long as it can print a desired pattern on the ink receiving layer.
  • the transfer paper 2 provided with the ink receiving layer on the surface of the sheet-shaped base material is adopted.
  • the base material of the transfer paper 2 may be any as long as it can provide an ink receiving layer. Paper such as art paper, coated paper, print base paper, and thin paper, and films such as polyethylene, polypropylene, cellophane, and aluminum foil can be appropriately selected.
  • the sublimation type inkjet printing transfer paper is adopted as the transfer paper 2. Examples of such transfer paper include TRS95-1620 manufactured by Mimaki Engineering Co., Ltd.
  • the ink used for printing the pattern preferably contains a reactive dye as a coloring component.
  • a reactive dye a vinyl sulfone dye, a monochlorotriazine dye, a dichlorotriazine dye, a trichlorotriazine dye and the like can be appropriately used.
  • the ink may contain only the reactive dye as a coloring component.
  • the ink is a coloring component of other dyes having a high affinity for both reactive dyes and synthetic fibers, such as disperse dyes and bad dyes. It may be further included as.
  • the ink contains a disperse dye or a bad dye in addition to the reactive dye, good printing can be applied to the blended fabric of the plant fiber and the synthetic fiber.
  • examples of the reactive dye include SPC-0357, Rc210, Rc300, Rc400, Rc500, and MLRc500 manufactured by Mimaki Engineering Co., Ltd.
  • the pretreatment device 20 applies the pretreatment agent to the fabric 7 before the pattern is transferred and printed.
  • the pretreatment agent is an aqueous solution containing a dyeing aid (printing aid), and exhibits a function as a pH adjuster for satisfactorily fixing the pattern to the fabric 7.
  • a dyeing aid is contained in the pretreatment agent.
  • the amount of the dyeing aid applied to the cloth 7 is preferably 1 to 6 parts by weight, more preferably 2 to 4 parts by weight, based on 100 parts by weight of the cloth.
  • the dyeing aid is applied to the cloth 7 by spraying the pretreatment agent, which is an aqueous solution containing the dyeing aid, onto the cloth 7.
  • the dyeing aid may be applied to the cloth 7 by immersing the cloth 7 in the pretreatment agent which is an aqueous solution containing the dyeing aid described above.
  • the water content of the fabric 7 to which the dyeing aid is applied is preferably 55 to 65 owf, more preferably 55 to 60 owf. Therefore, a heater for heating the cloth 7 after the pretreatment and a sprayer for spraying water on the cloth 7 after the pretreatment are provided between the pretreatment device 20 and the pressurizing device 30 to apply a dyeing aid.
  • the moisture contained in the cloth 7 may be adjusted within the above range.
  • "owf" (on the weight of fiber) is a weight portion of water with respect to 100 parts by weight of the fabric. 60owf means 60 parts by weight of water content with respect to 100 parts by weight of fabric.
  • the pressurizing device 30 includes a pair of pressurizing rollers 31, 31. Between the pair of pressure rollers 31 and 31, a transfer paper 2 on which a pattern is printed by the printing device 10 and a cloth 7 (cloth 7 after pretreatment) to which a dyeing aid is applied by the pretreatment device 20. , Are supplied in a superposed state.
  • the cloth 7 after the pretreatment and the transfer paper 2 on which the pattern is printed are superposed on each other in front of the pair of pressurizing rollers 31 and 31.
  • the transfer paper 2 is superposed on the cloth 7 in a direction in which the printed surface of the pattern is brought into contact with the cloth 7 after the pretreatment.
  • the pair of pressure rollers 31 and 31 presses (pressurizes and adheres) the transfer paper 2 and the cloth 7 held between the pair of pressure rollers 31 and 31 to produce a pattern printed on the transfer paper 2. Transfer to cloth 7.
  • the pair of pressure rollers 31 and 31 can rotate around rotation axes X1 and X2 parallel to each other by a drive mechanism (not shown).
  • the pair of pressure rollers 31 and 31 rotate around the rotation axes X1 and X2 while crimping the transfer paper 2 and the cloth 7, so that the transfer paper 2 and the cloth 7 are sent to the steaming device 40 side. It has become like.
  • a feeding roller 21 for the transfer paper 2 is provided on the printing device 10 side, and a take-up roller 22 for the transfer paper 2 is provided on the steaming device 40 side.
  • the transfer paper 2 before printing the pattern is wound around the feeding roller 21.
  • the transfer paper 2 after the pattern is transferred to the cloth 7 is wound around the winding roller 22.
  • a control device (not shown) rotates the take-up roller 22 in conjunction with the rotation of the pair of pressure rollers 31 and 31 to wind up the transfer paper 2, so that the transfer paper 2 is wound between the pair of pressure rollers 31 and 31.
  • the transfer paper 2 on which the pattern is printed is continuously supplied.
  • a feeding roller 71 for the cloth 7 is provided on the front stage side of the pretreatment device 20 when viewed from the pressurizing device 30.
  • a take-up roller 72 for the cloth 7 is provided on the rear side of the drying device 60.
  • the cloth 7 before the pretreatment is wound around the feeding roller 71.
  • the pretreatment device 20, the pressurizing device 30 (transfer device), the steaming device 40 (fixing device), the cleaning device 50, and the drying device 60 are arranged in this order. After passing through, it is wound around the take-up roller 72.
  • a control device (not shown) rotates the take-up roller 72 in conjunction with the rotation of the pair of pressurizing rollers 31 and 31 to wind up the fabric 7.
  • the fabric 7 immediately after the treatment is continuously supplied.
  • the pressurizing apparatus has a steaming function.
  • the pressurizing device applies high-temperature steam to the transfer paper 2 crimped between the pressurizing rollers 31 and 31 to transfer the symbol by pressurization and steam heat treatment (steam heating) of the transferred symbol in parallel. And carry out.
  • This is because the transfer of the pattern to the fabric 7 by crimping and the fixation of the pattern to the fabric 7 by steam heat treatment are performed at about the same time, thereby suppressing the expansion of the scale of the equipment required for the transfer printing of the pattern. be.
  • the inventor of the present invention has found that when a pattern is transferred and printed on the cloth 7 by a conventionally known transfer printing method in which the pattern is transferred to the cloth 7 and the pattern is fixed at the same time, the following phenomenon occurs.
  • A As the density of the symbol increases, the accuracy of the symbol transferred to the cloth 7 decreases.
  • B The accuracy of the design decreases as the thickness of the fabric 7 increases.
  • C The accuracy of the design decreases as the unevenness of the cloth 7 becomes more remarkable.
  • the cloth 7 is a chino cloth (cotton twill fabric) having a thick thickness and remarkable unevenness, a phenomenon in which the dye flows along the texture of the cloth 7 (a phenomenon called “color crying”) is remarkable. This reduces the accuracy of the symbol, especially at the edges of the symbol.
  • the inventor of the present invention diligently investigated the cause of the decrease in the accuracy of the pattern in the conventional transfer printing method. As a result, the inventor of the present invention states that when the heating temperature is lowered, the accuracy of the symbol is improved while the density of the symbol is decreased, and when the heating temperature is increased, the accuracy of the symbol is decreased and the density of the symbol is increased. I paid attention to.
  • pressure is required to transfer the pattern.
  • the fixation of the transferred pattern requires the presence of an appropriate amount of water and a high temperature in order for the reactive dye to react with the constituent material of the fabric 7.
  • a large pressure and a high temperature are applied to the overlapped transfer paper 2 and the cloth 7 at the same time, the design of the transfer paper 2 is transferred to the cloth 7.
  • the reactive dye contained in the pattern transferred to the cloth 7 reacts by exposure to a high temperature in the presence of moisture and is fixed to the surface of the cloth 7.
  • the inventor of the present invention focused on the fact that the reactive dye has high solubility in water and that "color crying" occurs along the texture of the cloth 7, and considered the following possibilities.
  • A Due to the high temperature for fixing the reactive dye to the cloth 7, the water contained in the cloth 7 is vaporized by the high temperature, and the reactive dye is taken into the vaporized water (moisture vapor: steam).
  • B A phenomenon called "color crying” occurs when a part of the reactive dye moves along the texture of the cloth 7 together with the vaporized water.
  • the present inventor performs the transfer of the symbol and the fixation of the transferred symbol separately, not at the same time, and transfers the symbol to the steam temperature or lower. It was found that "color crying" was improved when it was carried out only by applying pressure at a lower temperature.
  • a steaming apparatus 40 is separately provided between the pressurizing apparatus 30 and the cleaning apparatus 50 in order to separately transfer the symbol and fix the symbol. Then, in the pressurizing device 30, the overlapped transfer paper 2 and the cloth 7 are crimped to carry out only the transfer of the pattern to the cloth 7.
  • the treatment in the pressurizing device 30 is carried out at a temperature at which the patterns can be transferred from the stacked transfer papers 2 to the fabric 7 and at a temperature at which moisture vapor is not generated.
  • the treatment in the pressurizing device 30 is carried out at a temperature equal to or lower than the steaming temperature, more preferably 100 ° C. or lower, still more preferably room temperature (25 ° C.) or a temperature close to normal temperature.
  • the steaming heat treatment (steaming treatment: wet heat treatment) of the fabric 7 to which the pattern is transferred is carried out in the presence of the printing aid.
  • the steaming apparatus 40 reacts the reactive dye contained in the ink constituting the transferred pattern with the cloth 7 to fix the pattern to the cloth 7.
  • the crimping force (pressurizing force) acting on the superposed transfer paper 2 and the fabric 7 is preferably 1.0 MPa to 2.0 MPa, more preferably 1.6 MPa. ..
  • the pressurization time is at least 2 seconds.
  • a steaming device 40 is provided on the downstream side of the pressurizing device 30 in the transport direction of the cloth 7.
  • the steaming device 40 is a steaming machine that exposes the cloth 7 to which the pattern is transferred to high-temperature steam.
  • high-temperature steam steaming heat treatment: wet heat treatment
  • the reactive dye contained in the ink constituting the design is reacted with the cloth 7, and the design is permeated into the cloth 7 and fixed. It is carried out to develop the color of the dye.
  • the conditions for steaming heat treatment in the steaming apparatus 40 are as follows.
  • the steaming temperature is preferably 90 ° C. to 110 ° C., more preferably 104 ° C.
  • the steaming time is preferably 10 to 20 minutes, more preferably 15 minutes.
  • the vapor pressure is from 5 psi to 15 psi, more preferably 8 psi.
  • the steaming device 40 the trade name "Steamjet" manufactured by Jacquard Inkjet Fabric is exemplified.
  • a cleaning device 50 is provided on the downstream side of the steaming device 40 in the transport direction of the cloth 7.
  • the cleaning device 50 cleans the cloth 7 after the steam heat treatment to remove excess substances such as dyeing aids remaining on the cloth 7 and unreacted reactive dyes.
  • a drying device 60 is provided on the downstream side of the cleaning device 50 in the transport direction of the cloth 7.
  • the drying device 60 blows warm air or the like onto the washed cloth 7 to vaporize the moisture remaining in the cloth 7 and dry the cloth 7.
  • the pretreatment agent is sprayed onto the cloth 7 fed from the feeding roller 71, and the printing aid is applied to the cloth 7 (previous). Processing process).
  • a pattern is printed on the transfer paper 2 fed from the feeding roller 21 with ink using a reactive dye (printing step).
  • the transfer paper 2 on which the pattern is printed by the printing device 10 and the cloth 7 (the cloth 7 after the pretreatment) to which the dyeing aid is applied by the pretreatment device 20 are overlapped in front of the pressurizing device 30. , In a superposed state, is supplied to the pressurizing device 30. In the pressurizing device 30, the overlapped transfer paper 2 and the cloth 7 are pressure-bonded between the pair of pressure rollers 31 and 31, and the pattern printed on the transfer paper 2 is the cloth 7 after the pretreatment. Is transferred to (transfer process).
  • the fabric 7 to which the pattern is transferred is steamed and heat-treated (steaming treatment) to obtain the reactive dye and the cloth 7 contained in the ink constituting the transferred pattern.
  • steaming treatment steamed and heat-treated
  • the cloth 7 after the steam heat treatment is washed by the washing device 50 to remove excess substances such as dyeing aids remaining on the cloth 7 and unreacted reactive dyes (cleaning step).
  • the washed cloth 7 is dried in the drying device 60 (drying step) and then wound on the take-up roller 72.
  • a transfer printing method including these pretreatment steps, a printing step, a transfer step, a fixing step, a washing step, and a drying step is carried out.
  • this transfer printing method the transfer of the pattern from the transfer paper 2 to the cloth 7 and the fixing of the pattern to the cloth 7 are continuously performed at different timings, and the cloth 7 to which the pattern is fixed is continuously carried out. Created.
  • Duty 100% means a state in which the inside of the pixel is completely filled with ink droplets, and corresponds to the printing condition having the highest density.
  • the reflection density was measured using a commercially available optical densitometer.
  • a fluorescence spectrophotometer FD-7 manufactured by Konica Minolta Co., Ltd. is exemplified.
  • the allowable Duty (%) that does not cause color crying means the upper limit Duty (%) that does not cause "color crying”, and if the allowable Duty is exceeded, "color crying” will occur in the fabric 7 after the steam heat treatment. become.
  • the allowable duty is "50" it means that 50% of the area in the pixel is printed so as to be completely filled with ink droplets, and the larger the allowable duty (%), the higher the density.
  • the symbol “C” in Tables 1 and 2 means the case of printing (single color) in which only ink droplets containing a cyan (blue: Cyan) -based reactive dye are landed in a pixel.
  • the symbol “M” means a case of printing (single color) in which only ink droplets containing a magenta (red: Magenta) -based reactive dye are landed in a pixel.
  • the symbol “Y” means a case of printing (single color) in which only ink droplets containing a yellow (Yellow) -based reactive dye are landed in a pixel.
  • the symbol “K” means a case of printing (single color) in which only ink droplets containing a black (black: Black) -based reactive dye are landed in a pixel.
  • MY means a case of printing (color mixing) in which ink droplets containing a magenta (red) -based reactive dye and ink droplets containing a yellow (yellow) -based reactive dye are landed in a pixel.
  • CY means a case of printing (color mixing) in which ink droplets containing a cyan (blue) -based reactive dye and ink droplets containing a yellow (yellow) -based reactive dye are landed in a pixel.
  • CM means a case of printing (color mixing) in which ink droplets containing a cyan (blue) -based reactive dye and ink droplets containing a magenta (red) -based reactive dye are landed in a pixel.
  • CTY is an ink droplet containing a cyan (blue) -based reactive dye, an ink droplet containing a magenta (red) -based reactive dye, and an ink droplet containing a yellow (yellow) -based reactive dye in a pixel. It means the case of landing printing (color mixing).
  • inks containing such reactive dyes include various inks manufactured by Mimaki Engineering Co., Ltd. (SPC-0357 BL-A, SPC-0357CA, SPC-0357 BY-A, SPC-0357KD). Will be done.
  • the conditions of the main device included in the transfer printing device 1 when the evaluations in Tables 1 and 2 are carried out are as follows.
  • the pretreatment agent 3% aqueous solution of sodium hydrogen carbonate
  • the cloth 7 whose water addition amount is adjusted to 60% owf is pressurized as the cloth 7 after the pretreatment. It is supplied to the device 30 side.
  • a pressurizing force of 1.6 MPa is applied to the laminated pretreated cloth 7 and the transfer paper 2 on which the pattern is printed at room temperature (25 ° C.) and 100 ° C., respectively. Then, the pattern was transferred to the cloth 7 for 2 seconds.
  • crimping was also carried out at 150 ° C. for 60 seconds without steaming heat treatment.
  • steaming heat treatment was carried out for 15 minutes at a vapor pressure of 8 psi and a steaming temperature of 100 ° C.
  • the steaming temperature of 100 ° C. corresponds to an intermediate temperature in the above-mentioned preferable steaming temperature range of 90 ° C. to 110 ° C.
  • the steaming time of 15 minutes corresponds to an intermediate time between the preferred steaming times of 10 to 20 minutes described above.
  • the numerical value of the allowable duty (%) that does not cause color crying in the case of color mixing means the allowable duty (%) that does not cause color crying of each color. Therefore, for example, when the allowable duty (%) of color mixing (CM) that does not cry is "50", the ratio of cyan (blue) ink droplets to the common pixels and magenta (red) ink droplets. Means that the ratio of each is 50%. That is, even in the case of mixed colors, an allowable duty (%) that does not cry, which is comparable to that of a single color, is realized.
  • the allowable duty (%) that does not cause color crying can be increased by performing the pressure bonding at a temperature equal to or lower than the steam heat treatment temperature, preferably close to room temperature.
  • the density of the pattern can be increased while suppressing color crying, so that the transfer printing of the pattern from the transfer paper 2 to the cloth 7 can be appropriately performed while improving the accuracy of the pattern transferred to the cloth 7. It can be carried out.
  • the fabric transfer printing method has the following configurations.
  • This is a transfer printing method including a transfer step of transferring a pattern printed on the transfer paper 2 to the cloth 7 by pressure bonding between the transfer paper 2 on which the pattern is printed with ink containing a reactive dye and the cloth 7.
  • the transfer printing method further includes a fixing step of fixing the transferred pattern to the cloth 7 by heat treatment of the cloth 7 to which the pattern is transferred after the transfer step.
  • the inventor of the present invention simultaneously transfers the design to the cloth 7 by crimping the transfer paper 2 and the cloth 7, and fixes the design to the cloth 7 by steam heat treatment, so that the accuracy of the design transferred to the cloth 7 is improved.
  • B It was found that a phenomenon called "color crying” occurs when a part of the reactive dye moves along the texture of the cloth 7 together with the vaporized water, and the accuracy of the pattern is lowered. Therefore, in order to suppress the vaporization of water during transfer, the "color crying" was improved by transferring and fixing the pattern separately instead of at the same time. Thereby, the transfer printing of the pattern from the transfer paper 2 to the cloth 7 can be performed more appropriately.
  • the fabric transfer printing method has the following configurations.
  • the heat treatment is a steam heat treatment (wet heat treatment) in which the fabric 7 to which the pattern is transferred is steam-heated.
  • the design is transferred to the cloth 7 by crimping the transfer paper 2 and the cloth 7 at a temperature equal to or lower than the heating temperature in the steam heat treatment (wet heat treatment).
  • the time for crimping the transfer paper 2 and the cloth 7 can be shortened as compared with the case where the crimping and the steam heat treatment are performed at the same time, so that the vaporization of the moisture contained in the cloth 7 can be suppressed. Further, by shortening the crimping time, the distance that the vaporized water moves along the texture of the cloth 7 can be shortened, so that "color crying" can be suppressed. That is, by separating the transfer step and the fixing step, it is possible to suppress a defect (color crying) when the two steps are carried out together.
  • the transferred pattern can be colored while being fixed to the cloth 7. Thereby, the transfer printing from the transfer paper 2 to the cloth 7 can be performed more appropriately.
  • the fabric transfer printing method according to the embodiment has the following configurations. (3) In the steam heat treatment (wet heat treatment), the fabric 7 to which the pattern is transferred is steam-heated with the printing aid interposed therebetween.
  • the transferred pattern can be appropriately colored.
  • the fabric transfer printing method according to the embodiment has the following configurations. (4) A coating step of applying an aqueous solution of a printing aid by spraying is provided at a stage prior to the fixing step.
  • the printing aid may be applied to either the cloth 7 or the transfer paper 2, but the printing aid can be easily applied by applying the printing aid by spraying. Then, since the printing aid can be easily applied, the printing aid can be applied immediately before the transfer step. If the printing aid is applied to the cloth 7 or the transfer paper 2 in advance, there is a concern about the influence of changes in the printing aid over time, but the transfer printing can be performed without causing such a concern.
  • the fabric transfer printing method according to the embodiment has the following configurations. (5) The coating step is carried out before the transfer step.
  • the printing aid is applied to the fabric 7 in advance, the color of the fabric 7 may change over time, which may affect the quality of the fabric 7 after transfer printing.
  • the printing aid immediately before the fixing step, the occurrence of such a situation can be suitably prevented.
  • the fabric transfer printing method according to the embodiment has the following configurations. (6) In the transfer step, the design is transferred to the cloth 7 by crimping the transfer paper 2 and the cloth 7 at a temperature of 100 ° C. or lower and room temperature (25 ° C.) or higher.
  • the fabric transfer printing method according to the embodiment has the following configurations. (7)
  • the pattern is transferred to the cloth 7 by crimping the transfer paper 2 and the cloth 7 with water interposed therebetween.
  • the presence of water is required for the transfer of the pattern printed with the ink containing the reactive dye to the fabric 7.
  • the water content can be adjusted to the optimum water content for the transfer of the pattern.
  • the fabric transfer printing method according to the embodiment has the following configurations. (8) Moisture is applied to the cloth 7 side.
  • Moisture may be applied to the transfer paper 2 side, but if water is applied to the transfer paper 2 side, the ink may bleed. Therefore, by applying water to the fabric 7 side on which the pattern is transferred, ink bleeding can be suppressed and transfer printing can be performed more appropriately.
  • the amount of water contained in the cloth 7 is adjusted to the optimum amount of water for transferring the pattern, and then the transfer paper 2 and the cloth 7 are combined. Can be crimped. Since the design can be transferred to the cloth 7 under the optimum conditions, the accuracy of the design transferred to the cloth 7 can be ensured.
  • the fabric transfer printing method has the following configurations. (9) Transfer printing having a transfer step of transferring the pattern printed on the transfer paper 2 to the cloth 7 by crimping the transfer paper 2 on which the pattern is printed with ink containing a reactive dye and the cloth 7 to which moisture is applied. The method.
  • the transfer printing method further includes a fixing step of carrying out a wet heat treatment in which the fabric 7 on which the pattern is transferred is steam-heated to fix the pattern transferred to the fabric 7.
  • the pattern is transferred to the cloth 7 by crimping the transfer paper 2 and the cloth 7 under the transfer conditions in which the pattern can be transferred to the cloth 7 and steam does not act on the cloth 7.
  • the fabric transfer printing method according to the embodiment has the following configurations. (10) The transfer of the pattern by crimping is carried out at a temperature equal to or lower than the processing temperature of the steaming heat treatment and shorter than the steaming heat treatment time.
  • the time for crimping the transfer paper 2 and the fabric 7 is only the time required for the transfer, which is shorter than the time when the crimping and the steaming heat treatment are performed at the same time. Then, the vaporization of the water contained in the cloth 7 can be suppressed. Further, by shortening the crimping time, the distance that the vaporized water moves along the texture of the cloth 7 can be shortened, so that "color crying" can be suppressed. Thereby, the transfer printing from the transfer paper 2 to the cloth 7 can be performed more appropriately.
  • the fabric transfer printing method according to the embodiment has the following configurations. (11) The transfer of the pattern by crimping is carried out at room temperature.
  • the pattern can be transferred even at room temperature.
  • the vaporization of the water contained in the cloth 7 can be suppressed, so that the occurrence of "color crying" can be sufficiently suppressed. Thereby, the transfer printing of the pattern from the transfer paper 2 to the cloth 7 can be performed more appropriately.
  • the fabric transfer printing method according to the embodiment has the following configurations. (12)
  • the water content of the cloth 7 to which the dyeing aid is applied is preferably 55 to 65 owf, more preferably 55 to 60 owf.
  • “Ouf” is a weight portion of moisture with respect to 100 parts by weight of the fabric.
  • 60owf means 60 parts by weight of water content with respect to 100 parts by weight of fabric.
  • the printing aid is applied to the fabric 7 before being superposed on the transfer paper 2.
  • the amount of water contained in the cloth 7 is adjusted to the optimum amount for transferring the pattern, and then the amount of water is adjusted to the optimum amount.
  • the cloth 7 can be crimped to the transfer paper 2. As a result, the design can be transferred to the cloth 7 under the optimum conditions, so that the accuracy of the design transferred to the cloth 7 can be ensured.
  • the fabric transfer printing method according to the embodiment has the following configurations. (13)
  • the upper limit of the steaming temperature in the steaming heat treatment is 110 ° C., more preferably 104 ° C., and the upper limit of the steaming time is 20 min, more preferably 15 min.
  • the conditions of the steaming heat treatment need to be adjusted according to the difference in the body of the steaming apparatus 40 to be used, but the above-mentioned processing conditions are highly versatile conditions.
  • the transferred pattern can be appropriately fixed to the cloth 7 and the transferred pattern can be satisfactorily developed in color.
  • the fabric transfer printing method has the following configurations.
  • the printing aid is at least one selected from the following. Sodium hydroxide, ammonium hydroxide, sodium carbonate, sodium hydrogen carbonate, trisodium phosphate, disodium hydrogen phosphate, sodium dihydrogen phosphate, sodium tetraborate, trimethylamine, triethanolamine, methylamine and dimethylamine.
  • the amount of the dyeing aid applied to the cloth 7 is preferably 1 to 6 parts by weight, more preferably 2 to 4 parts by weight, based on 100 parts by weight of the cloth 7.
  • the pattern transferred to the cloth 7 can be appropriately colored.
  • the present invention can also be specified as a transfer printing device for fabrics.
  • the transfer printing apparatus 1 is Pressurizing device 30 (transfer device) that transfers the pattern printed on the transfer paper 2 to the cloth 7 by crimping the transfer paper 2 on which the pattern is printed with ink containing a reactive dye and the cloth 7 after the pretreatment.
  • Pressurizing device 30 transfer device
  • It has a steaming device 40 (fixing device) for fixing the pattern transferred to the cloth 7 by performing a heat treatment (steaming heat treatment) for steam-heating the cloth 7 on which the pattern is transferred.
  • the processing temperature in the pressurizing device 30 is set to the maximum temperature at which "color crying” does not occur, that is, a temperature at which transfer is possible but moisture is vaporized and steam is not generated (a temperature equal to or lower than the heating temperature in the steaming device 40). ). As a result, excellent dye transferability can be exhibited while suppressing "color crying".
  • the fabric transfer printing apparatus has the following configuration. (16) In the steaming device 40 (fixing device, wet heat treatment device), a wet heat treatment is performed in which the fabric 7 to which the pattern is transferred is steam-heated. In the pressurizing device 30, the pattern is transferred to the cloth 7 by crimping the transfer paper 2 and the cloth 7 at a temperature equal to or lower than the heating temperature in the steaming device 40.
  • the steaming device 40 fixing device, wet heat treatment device
  • the pattern is transferred to the cloth 7 by crimping the transfer paper 2 and the cloth 7 at a temperature equal to or lower than the heating temperature in the steaming device 40.
  • the fabric transfer printing apparatus has the following configuration.
  • the cloth 7 has a strip shape and is continuously fed from the feeding roller 71, and the pretreatment device 20, the pressurizing device 30 (transfer device), and the steaming device 40 (fixing device) are sequentially fed. After passing through, it is configured to be wound up in contact with the winding roller 72.
  • the transfer paper 2 has a strip shape, is continuously fed from the feeding roller 21, is superposed on the pretreated cloth 7 in front of the pressurizing device 30 (transfer device), and then is superposed on the cloth 7. After passing through the pressurizing device 30 (transfer device) in this state, it is configured to be wound in contact with the winding roller 22.
  • the transfer paper 2 is superposed on the cloth 7 in a direction in which the surface on which the pattern is printed is brought into contact with the cloth 7 after the pretreatment.
  • the pattern can be continuously transferred from the strip-shaped transfer paper 2 to the strip-shaped cloth 7 while suppressing "color crying". It is possible to improve the production efficiency of the cloth 7 to which the pattern is transferred while ensuring the accuracy of the pattern transferred to the cloth 7.
  • the fabric transfer printing apparatus has the following configuration.
  • the pressurizing device 30 (transfer device) has a pair of pressurizing rollers 31, 31.
  • the pattern printed on the transfer paper 2 is transferred to the cloth 7 when it passes between the pair of pressure rollers 31 and 31 in a state of being overlapped with the cloth 7 after the pretreatment.
  • the pattern can be continuously transferred from the strip-shaped transfer paper 2 to the strip-shaped cloth 7 while suppressing "color crying".
  • the fabric transfer printing apparatus has the following configuration. (19)
  • the transfer printing apparatus 1 has a pretreatment apparatus 20 for pretreating the fabric 7.
  • the pretreatment device 20 sprays an aqueous solution of the printing aid on the cloth 7 before being superposed on the transfer paper 2, or immerses the cloth 7 before being superposed on the transfer paper 2 in the aqueous solution of the printing aid. As a result, a printing aid is applied to the fabric 7.
  • the presence of moisture is required for the transfer of the pattern printed with the ink containing the reactive dye to the fabric 7.
  • the printing aid is applied to the fabric 7 immediately before being overlapped with the transfer paper 2 using an aqueous solution of the printing aid, the amount of water contained in the fabric 7 is adjusted to the optimum amount for transferring the pattern, and then the amount of water is adjusted to the optimum amount.
  • the design can be transferred to the cloth 7 under the optimum conditions, so that the accuracy of the design transferred to the cloth 7 can be ensured.
  • the water content of the fabric 7 to which the dyeing aid is applied is preferably 55 to 65 owf, more preferably 55 to 60 owf.
  • the fabric transfer printing apparatus has the following configuration. (20) The transfer of the symbol by crimping is carried out at a temperature equal to or lower than the processing temperature of the steaming heat treatment and shorter than the steaming heat treatment time.
  • the time for crimping the transfer paper 2 and the cloth 7 in order to transfer the pattern is shorter than when the crimping and the steaming heat treatment are performed at the same time. Then, the vaporization of the water contained in the cloth 7 can be suppressed. Further, by shortening the crimping time, the distance that the vaporized water moves along the texture of the cloth 7 can be shortened. Therefore, even if the water contained in the cloth 7 is vaporized at the time of crimping, the moving range of the vaporized water is widened. Limited to a narrow range. As a result, the occurrence of "color crying" can be suppressed, so that the transfer printing of the pattern from the transfer paper 2 to the cloth 7 can be performed more appropriately.
  • the fabric transfer printing apparatus has the following configuration. (21)
  • the upper limit of the steaming temperature in the steaming heat treatment is 110 ° C., more preferably 104 ° C., and the upper limit of the steaming time is 20 min, more preferably 15 min.
  • the transfer paper 2 and the fabric 7 are exposed to a steaming environment at 150 ° C. for 60 seconds in a state of being in close contact with each other at a pressure of 1.6 MPa, for example.
  • the pressurization time required for transferring the pattern by crimping is 2 seconds, which is sufficiently shorter than when crimping and steaming heat treatment are performed at the same time.
  • the pattern can be transferred in a shorter time.
  • the vaporization of the water contained in the cloth 7 can be suppressed, so that a part of the reactive dye is dissolved in the vaporized water and the reactive dye moves along with the vaporized water along the texture. It can be preferably prevented. This makes it possible to preferably prevent color crying from occurring on the fabric 7 after transfer printing. Further, the transferred pattern can be appropriately fixed to the cloth 7, and the transferred pattern can be satisfactorily developed in color.
  • FIG. 2 is a schematic view of the transfer printing apparatus 1A according to the first modification.
  • the transfer printing device 1A is a device for transferring and printing a pattern printed on the transfer paper 2 onto the cloth 7 in the same manner as the transfer printing device 1 described above.
  • the transfer printing apparatus 1A includes a printing apparatus 10, a pretreatment apparatus 20, a pressurizing apparatus 30 (transfer apparatus), a sublimation transfer press 45 (fixing apparatus), a cleaning apparatus 50, and the like. It has a drying device 60 and.
  • the transfer printing device 1A is different from the transfer printing device 1 in that it includes a sublimation transfer press 45 instead of the steaming device 40 described above.
  • the sublimation transfer press 45 is provided between the pressurizing device 30 and the cleaning device 50.
  • the sublimation transfer press 45 in the subsequent stage of the pressurizing apparatus 30 carries out a dry heat treatment of the fabric 7 on which the pattern is transferred.
  • the sublimation transfer press 45 reacts the reactive dye contained in the ink constituting the transferred pattern with the cloth 7 to fix the pattern to the cloth 7.
  • the dry heat treatment means heating in an environment where there is no moisture or steam other than the moisture imparted to the fabric 7 before the heat treatment without externally imparting moisture to the fabric 7 to which the pattern is transferred. It is a process. In the steaming heat treatment described above, the fabric 7 to which the pattern was transferred was heated while externally applying water vapor.
  • the sublimation transfer press 45 is a press that applies high temperature and high pressure to the fabric 7 on which the pattern is transferred. By the action of high temperature and high pressure on the cloth 7, the reactive dye contained in the ink constituting the pattern reacts with the cloth 7, the pattern is permeated into the cloth 7 and fixed, and the dye is developed.
  • the conditions for the dry heat treatment in the sublimation transfer press 45 are as follows.
  • the heating temperature is preferably 100 ° C. to 150 ° C., more preferably 115 ° C. to 125 ° C.
  • the press pressure is 0.1 MPa to 0.5 MPa, more preferably 0.2 MPa.
  • the treatment time is preferably 1 minute to 10 minutes, more preferably 3 minutes to 5 minutes.
  • a sublimation transfer press machine MP-1000 manufactured by Asahi Textile Machinery Co., Ltd. is exemplified.
  • JV-33-160 manufactured by Mimaki Engineering Co., Ltd. was used as the printing apparatus 10.
  • Rc400 manufactured by Mimaki Engineering Co., Ltd. was used as the reactive dye (reactive dye ink).
  • the symbol “C” in Table 3 means the case of printing (single color) in which only ink droplets containing a cyan (blue: Cyan) -based reactive dye are landed in a pixel.
  • the symbol “M” means a case of printing (single color) in which only ink droplets containing a magenta (red: Magenta) -based reactive dye are landed in a pixel.
  • the symbol “Y” means a case of printing (single color) in which only ink droplets containing a yellow (Yellow) -based reactive dye are landed in a pixel.
  • the symbol “K” means a case of printing (single color) in which only ink droplets containing a black (black: Black) -based reactive dye are landed in a pixel.
  • the conditions of the main device included in the transfer printing device 1 when the evaluations in Tables 3 and 4 are carried out are as follows.
  • the pretreatment agent 3% aqueous solution of sodium hydrogen carbonate
  • the cloth 7 whose water addition amount is adjusted to 60% owf is pressurized as the cloth 7 after the pretreatment. It is supplied to the device 30 side.
  • the pressurizing device 30 a small heat press machine HC300-05 manufactured by AS ONE Corporation was used.
  • crimping of the overlapped pretreated cloth 7 and the transfer paper 2 on which the pattern is printed is performed at 100 ° C. and 1.6 MPa for 2 seconds to the cloth 7. The design was transferred.
  • the sublimation transfer press machine 45 the sublimation transfer press machine MP-1000 manufactured by Asahi Textile Machinery Co., Ltd. was used to perform a dry heat treatment of the fabric 7 on which the pattern was transferred. Since the dry heat treatment depends on two parameters of temperature and time, the optimum treatment conditions were obtained by experiments for both values. Specifically, the deliverables obtained when the heating time was fixed at 5 minutes and the heating temperature was shaken (Table 3) and when both the heating time and the heating temperature were shaken (Table 4). evaluated. In both Tables 3 and 4, the press pressure was fixed at 0.2 MPa. The evaluation of the deliverables was carried out based on the numerical values obtained by measuring the solid 100% reflection density of each color CMYK using a fluorescence spectrophotometer FD-7 manufactured by Konica Minolta Co., Ltd.
  • the heating temperature is in the range of 115 ° C. to 125 ° C.
  • the heating time is preferably between 3 minutes and 5 minutes (Table 4).
  • the treatment temperature of the dry heat treatment according to the modified example 1 is preferably 100 ° C. to 150 ° C., more preferably 115 ° C. to 125 ° C.
  • the treatment time of the dry heat treatment is preferably 1 minute to 10 minutes, more preferably 3 minutes to 5 minutes. It should be noted that these temperature ranges and processing times are examples of the case of the transfer printing apparatus 1A according to the modified example, and are appropriately changed depending on the configuration of the transfer printing apparatus.
  • the treatment temperature of the dry heat treatment and the treatment time of the dry heat treatment are set to a low temperature at which color can be developed (satisfying the threshold value for adjusting the reflection density) and a short time through experiments and the like.
  • the transfer printing method of the fabric according to the modified example has the following constitution. (22) This is a transfer printing method including a transfer step of transferring a pattern printed on the transfer paper 2 to the cloth 7 by pressure bonding between the transfer paper 2 on which the pattern is printed with ink containing a reactive dye and the cloth 7. The transfer printing method further includes a fixing step of fixing the transferred pattern to the cloth 7 by a dry heat treatment (heat treatment) of the cloth 7 to which the pattern is transferred after the transfer step.
  • the transferred pattern can be colored while being fixed to the cloth 7. Thereby, the transfer printing from the transfer paper 2 to the cloth 7 can be performed more appropriately.
  • the time required for the transferred pattern to adhere to the cloth 7 and the color to be developed is shorter in the dry heat treatment than in the steam heat treatment, the time required for the production of the cloth 7 to which the pattern is transferred can be shortened. Become.
  • the transfer printing method of the fabric according to the modified example has the following constitution. (23) In the dry heat treatment, the fabric 7 to which the pattern is transferred is heated with the printing aid interposed therebetween.
  • the pattern transferred to the cloth 7 can be appropriately colored.
  • the fabric transfer printing apparatus 1A has the following configuration.
  • a pressurizing device 30 (transfer device) for transferring the pattern printed on the transfer paper 2 to the cloth 7 by pressure bonding between the transfer paper 2 on which the pattern is printed with ink containing a reactive dye and the cloth 7. It has a sublimation transfer press 45 (fixing device) for fixing the transferred pattern to the cloth 7 by performing a dry heat treatment (heat treatment) of the cloth 7 on which the pattern is transferred.
  • FIG. 3 is a schematic view of the transfer printing apparatus 1B according to the second modification.
  • the transfer printing device 1B is a device for transferring and printing a pattern printed on the transfer paper 2 onto the cloth 7 in the same manner as the transfer printing devices 1 and 1A described above.
  • the transfer printing apparatus 1B includes a printing apparatus 10, a pretreatment apparatus 20, a pressurizing apparatus 30 (transfer apparatus), an oven 46 (fixing apparatus), a cleaning apparatus 50, and a drying apparatus 60. And have.
  • the transfer printing device 1B is different from the transfer printing devices 1 and 1A in that it includes an oven 46 in place of the steaming device 40 and the sublimation transfer press machine 45 described above.
  • the oven 46 is provided between the pressurizing device 30 and the cleaning device 50.
  • the fabric 7 to which the pattern is transferred is subjected to a dry heat treatment to remove the reactive dye and the fabric 7 contained in the ink constituting the transferred pattern. By reacting, the design is fixed to the cloth 7.
  • the conditions of the dry heat treatment in the oven 46 are as follows.
  • the heating temperature is preferably 100 ° C. to 150 ° C., more preferably 115 ° C. to 125 ° C., as in the case of the first modification.
  • the treatment time is also preferably 1 minute to 10 minutes, more preferably 3 minutes to 5 minutes, as in the case of the first modification.
  • the thermo-coloring machine FHS-1900BX for an inkjet printer manufactured by Uenoyama Kikai Kogyo Co., Ltd. is exemplified.
  • the printing apparatus 10 used was JV-33-160 manufactured by Mimaki Engineering Co., Ltd. Rc400 manufactured by Mimaki Engineering Co., Ltd. was used as the reactive dye (reactive dye ink).
  • the conditions of the main device included in the transfer printing device 1B when the evaluation in Table 5 was carried out are as follows.
  • the pretreatment agent 3% aqueous solution of sodium hydrogen carbonate
  • the cloth 7 whose water addition amount is adjusted to 60% owf is pressurized as the cloth 7 after the pretreatment. It is supplied to the device 30 side.
  • the pressurizing device 30 a small heat press machine HC300-05 manufactured by AS ONE Corporation was used.
  • crimping of the overlapped pretreated cloth 7 and the transfer paper 2 on which the pattern is printed is performed at 100 ° C. and 1.6 MPa for 2 seconds to the cloth 7. The design was transferred.
  • thermo-coloring machine FHS-1900BX for an inkjet printer manufactured by Uenoyama Kikai Kogyo Co., Ltd. was used to dry-heat-treat the cloth 7 to which the pattern was transferred.
  • the products obtained when the heating time was fixed at 5 minutes and the heating temperatures were changed to 115 ° C. and 150 ° C. (Table 5) were evaluated.
  • the evaluation of the deliverables was carried out based on the numerical values obtained by measuring the reflection density of 100% solid CMYK for each color using a fluorescence spectrophotometer FD-7 manufactured by Konica Minolta Co., Ltd.
  • the color development of the transferred pattern can be improved.
  • "color crying” can be suppressed.
  • the density of the pattern can be increased while suppressing color crying, so that the transfer printing of the pattern from the transfer paper 2 to the cloth 7 can be appropriately performed while improving the accuracy of the pattern transferred to the cloth 7. It can be carried out.
  • the treatment temperature of the dry heat treatment according to the modified example 2 is preferably 115 ° C. to 150 ° C., more preferably 150 ° C.
  • the fabric transfer printing method according to the second modification has the following configuration.
  • the transfer printing method further includes a fixing step of fixing the transferred pattern to the cloth 7 by a dry heat treatment (heat treatment) of the cloth 7 to which the pattern is transferred after the transfer step.
  • the transferred pattern can be colored while being fixed to the cloth 7. Thereby, the transfer printing from the transfer paper 2 to the cloth 7 can be performed more appropriately.
  • the time required for the transferred pattern to be fixed to the cloth 7 is shorter in the dry heat treatment than in the steam heat treatment, the time required for the production of the cloth 7 to which the pattern is transferred can be shortened.
  • the fabric transfer printing apparatus 1B has the following configuration.
  • a pressurizing device 30 (transfer device) for transferring the pattern printed on the transfer paper 2 to the cloth 7 by pressure bonding between the transfer paper 2 on which the pattern is printed with ink containing a reactive dye and the cloth 7. It has an oven 46 (fixing device) for fixing the transferred pattern to the cloth 7 by performing a dry heat treatment (heat treatment) of the cloth 7 on which the pattern is transferred.
  • the scale of the equipment can be suppressed as compared with the case of performing the steam heat treatment. Further, the installation cost and the operation cost of the equipment can be suppressed as compared with the case of performing the steam heat treatment.
  • each step in the transfer printing apparatus (printing of the pattern on the transfer paper 2, transfer of the pattern to the cloth 7, and fixing of the transferred pattern to the cloth 7) is performed in-line.
  • An example is shown in which the processing is continuously performed.
  • Each step in the transfer printing apparatus may be carried out by a batch process which is carried out individually.
  • temperature, pressure, time and the like are exemplified as processing conditions in the pressurizing device 30 (transfer device) for transferring the pattern from the transfer paper 2 to the fabric 7.
  • the processing conditions are appropriately determined depending on the thickness of the cloth 7 to be printed, the type of the cloth constituting the cloth 7, the amount of water added to the cloth 7, and the like. Not limited to what is shown. For example, it is preferable to reduce the water content of the fabric 7 as the pressure for transferring the pattern increases.
  • a 3% aqueous solution of sodium hydrogen carbonate was adopted as a pretreatment agent for imparting water to the fabric 7 from the viewpoint of the load of water treatment.
  • the pretreatment agent may be any agent having water retention, and for example, urea or the like can be adopted. By adding a chemical having such water retention, the color development of the transferred pattern can be enhanced.
  • the case where the sublimation transfer press 45 or the oven 46 is used as the heat source for the dry heat treatment is illustrated.
  • the heat source for the dry heat treatment a furnace can be adopted as long as it can give a predetermined temperature and heat amount to the cloth 7.
  • the oven 46 it is not necessary to resist dye the apparatus with base paper or the like, so that the fixing process can be made into a clean environment.
  • the transferred pattern is fixed to the cloth 7 by changing the process for fixing the transferred pattern to the cloth 7 from the wet heat treatment to the dry heat treatment. It can be shortened from 104 ° C. and 15 minutes in the case of steam heat treatment to 115 ° C. and 5 minutes in the case of dry heat treatment. As a result, the productivity of the fabric 7 to which the pattern is transferred is improved three times.

Abstract

Le problème à résoudre par la présente invention est d'exécuter de manière appropriée une impression par transfert à partir d'un papier de transfert. La solution selon l'invention porte sur un procédé d'impression par transfert qui comprend une étape de transfert pour transférer, sur un tissu (7), un motif graphique imprimé sur un papier de transfert (2) par liaison par pression entre le tissu (7) et le papier de transfert (2) sur lequel le motif graphique est imprimé avec une encre comprenant un colorant de réaction. Le procédé d'impression par transfert comprend en outre, après l'étape de transfert, une étape de fixation pour fixer le motif graphique transféré sur le tissu (7) par traitement thermique du tissu (7) sur lequel le motif graphique est transféré.
PCT/JP2021/003165 2020-02-18 2021-01-29 Procédé d'impression par transfert pour tissu et dispositif d'impression par transfert pour tissu WO2021166587A1 (fr)

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Publication number Priority date Publication date Assignee Title
JPS5277282A (en) * 1975-12-24 1977-06-29 Toppan Printing Co Ltd Wet transfer printing method of mixed fabrics
JPS53134978A (en) * 1977-04-26 1978-11-25 Toppan Printing Co Ltd Transfer printing of cellulose or cellulose blended fiber
JPS56101988A (en) * 1980-01-10 1981-08-14 Basf Ag Continuous dyeing of fiber material by transfer printing
JPH06128881A (ja) * 1992-10-20 1994-05-10 Kanebo Ltd 転写紙及びそれを用いた捺染法
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JPH06287871A (ja) * 1993-03-31 1994-10-11 Toppan Printing Co Ltd 湿式転写捺染方法
CN102285210A (zh) * 2011-07-14 2011-12-21 邹恒余 一种免汽蒸、水洗的活性染料印染转移装置及方法
CN202163100U (zh) * 2011-07-14 2012-03-14 邹恒余 一种免汽蒸、水洗的活性染料印染转移装置
CN108867104A (zh) * 2017-05-10 2018-11-23 兰溪市漫真服饰有限公司 一种棉涤混纺面料的同浆转移印花方法
CN107780264A (zh) * 2017-10-25 2018-03-09 常州大学 一种纤维素纤维织物喷墨转移印花方法

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