CN115233477B - High-color fastness thermal transfer printing technology - Google Patents
High-color fastness thermal transfer printing technology Download PDFInfo
- Publication number
- CN115233477B CN115233477B CN202210951073.3A CN202210951073A CN115233477B CN 115233477 B CN115233477 B CN 115233477B CN 202210951073 A CN202210951073 A CN 202210951073A CN 115233477 B CN115233477 B CN 115233477B
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- China
- Prior art keywords
- fabric
- temperature
- cold air
- temperature control
- thermal transfer
- Prior art date
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- 238000010023 transfer printing Methods 0.000 title claims abstract description 30
- 238000005516 engineering process Methods 0.000 title abstract description 4
- 239000004744 fabric Substances 0.000 claims abstract description 119
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims 1
- 238000005562 fading Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- D06P5/003—Transfer printing
- D06P5/004—Transfer printing using subliming dyes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/02—Transfer printing apparatus for textile material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/007—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing with heat treatment before printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0476—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a high-color fastness thermal transfer printing process, relates to a thermal transfer printing technology, and aims to solve the problem that patterns on thermal transfer printed fabrics are poor in color fastness, and the technical scheme is as follows: s1, heating the fabric by a fabric temperature controller to reduce the water content in the fabric; s2, cooling the heated fabric by normal-temperature cold air in the fabric temperature control machine until the temperature of the fabric reaches the normal-temperature cold air temperature; s3, cooling the fabric at normal temperature through low-temperature cold air in the fabric temperature control machine until the temperature of the fabric reaches the temperature of the low-temperature cold air; s4, conveying the fabric at the part to be printed into a thermal transfer printing machine, and storing the fabric at the rest part into low-temperature cold air and waiting for processing. The method can eliminate the step of fixation after the thermal transfer printing is finished, so that the printed fabric obtained by the thermal transfer printing has higher color fastness, and is not easy to generate the conditions of weak color fastness such as halation, fading and the like.
Description
Technical Field
The present invention relates to thermal transfer printing technology, and more particularly, to a high color fastness thermal transfer printing process.
Background
The thermal transfer printing is used as a printing process commonly used at present, and dye in the thermal transfer printing is sublimated to the fabric by heating transfer paper, so that the fabric can absorb the dye, and a whole set of steps of thermal transfer printing are realized.
However, the conventional thermal transfer printing fabric is usually subjected to one-time washing after finishing the printing process, and after finishing the washing, the problem that the patterns on the thermal transfer printing fabric are poor in color fastness can be obviously found, and the fading can cause serious influence on the patterns on the thermal transfer printing fabric during washing, so that a color fixing process is added to prevent the fading.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the high-color fastness thermal transfer printing process, which can eliminate the step of fixation after thermal transfer printing is finished, so that the printed fabric obtained by thermal transfer printing has higher color fastness and is not easy to generate the conditions of weak color fastness such as halation, fading and the like.
The technical aim of the invention is realized by the following technical scheme: the high-color fastness thermal transfer printing process comprises the following steps,
s1, heating the fabric by a fabric temperature controller to reduce the water content in the fabric;
s2, cooling the heated fabric by normal-temperature cold air in the fabric temperature control machine until the temperature of the fabric reaches the normal-temperature cold air temperature;
s3, cooling the fabric at normal temperature through low-temperature cold air in the fabric temperature control machine until the temperature of the fabric reaches the temperature of the low-temperature cold air;
s4, conveying the fabric at the part to be printed into a thermal transfer printing machine, and storing the fabric at the rest part into low-temperature cold air and waiting for processing.
The invention is further provided with: the fabric temperature control machine comprises a bottom plate, a temperature control box fixedly connected to the top surface of the bottom plate, a fabric winding and unwinding assembly and a machine case, wherein the fabric winding and unwinding assembly is positioned in the machine case, an opening and closing inlet and an opening and a closing window are formed in the machine case, the temperature control box is used for controlling the temperature in the machine case, and the window is used for allowing fabrics to leave.
The invention is further provided with: the temperature control box is internally provided with a plurality of electric heating pipes, the temperature control box is provided with a plurality of cold air inlets, the cold air inlets are used for guiding low-temperature cold air into the temperature control box, and one side of the temperature control box, which faces the machine box, is provided with an air outlet channel communicated with the interior of the machine box.
The invention is further provided with: the fabric winding and unwinding assembly comprises two supports fixedly connected to a bottom plate, a bearing frame positioned between the two supports, a first cloth roller and a second cloth roller which are respectively connected to the two supports in a rotating mode, and a plurality of guide rollers which are connected to the bearing frame in a rotating mode, wherein the first cloth roller, the second cloth roller and the guide rollers are all driven by a servo motor.
The invention is further provided with: the surface temperature of the guide roller is in direct proportion to the temperature in the temperature control box.
The invention is further provided with: the inside cavity setting of guide roll, and its one end has the heat exchange tube through rotary joint intercommunication, the heat exchange tube runs through to in the control by temperature change case, just the guide roll adopts the metal material.
The invention is further provided with: the inner wall of the window is detachably connected with one end, far away from the rotating connection of the shielding window, of the shielding window.
In summary, the invention has the following beneficial effects:
the fabric is pretreated by the fabric temperature control machine before the thermal transfer printing process, so that the sublimated dye can be fully absorbed after the thermal transfer printing process is carried out on the fabric, and the dye can be solidified and kept in a fixation state as soon as possible under the action of low temperature, so that people do not need to add a fixation step after the thermal transfer printing process.
Drawings
FIG. 1 is a schematic diagram of a fabric temperature controller and thermal transfer printer according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic diagram of a fabric temperature controller according to the present invention with a chassis removed;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is a schematic diagram II of a fabric temperature controller according to the present invention with a chassis removed;
FIG. 6 is an enlarged view at C in FIG. 5;
FIG. 7 is an enlarged view of FIG. 5 at D;
FIG. 8 is an enlarged view at E in FIG. 5;
FIG. 9 is a schematic diagram of the fabric temperature control machine of the present invention after the chassis is removed and the temperature control box is exposed;
fig. 10 is an enlarged view at F in fig. 9.
In the figure: 1. a fabric temperature controller; 2. a thermal transfer printer; 3. a chassis; 4. a window; 5. a shielding window; 6. a temperature control box; 7. a bottom plate; 8. a bracket; 9. a cloth roller I; 10. a cloth roller II; 11. a bearing frame; 12. a guide roller; 13. a heat exchange tube; 14. an air outlet channel; 15. an electric heating tube; 16. a servo motor.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Examples:
the high-color fastness thermal transfer printing process comprises the following steps,
first, the process will use a fabric temperature controller 1, as shown in figures 2-10,
the fabric temperature control machine 1 comprises a bottom plate 7, a temperature control box 6 fixedly connected to the top surface of the bottom plate, a fabric winding and unwinding component and a machine case 3, wherein the fabric winding and unwinding component is positioned in the machine case 3, and an opening and closing inlet and an opening and a window 4 are formed in the machine case 3.
A plurality of electric heating pipes 15 are arranged in the temperature control box 6, a plurality of cold air inlets are formed in the temperature control box 6 and used for guiding low-temperature cold air into the temperature control box 6, an air outlet channel 14 communicated with the inside of the case 3 is formed in one side, facing the case 3, of the temperature control box 6, and the temperature control box 6 is used for controlling the temperature in the case 3.
The window 4 is used for supplying the fabric to leave, and window 4 swivelling joint has a shielding window 5, and the one end that its swivelling joint was kept away from to shielding window 5 can dismantle with the inner wall of window 4 and be connected, fixed connection magnet piece on shielding window 5 and the inner wall of window 4.
The fabric winding and unwinding assembly comprises two brackets 8 fixedly connected to a bottom plate 7, a bearing frame 11 positioned between the two brackets 8, a first cloth roller 9 and a second cloth roller 10 which are respectively connected to the two brackets 8 in a rotating mode, and a plurality of guide rollers 12 which are connected to the bearing frame 11 in a rotating mode, wherein the first cloth roller 9, the second cloth roller 10 and the guide rollers 12 are all driven by a servo motor 16, the surface temperature of the guide rollers 12 is in direct proportion to the temperature in the temperature control box 6, the inside of the guide rollers 12 is hollow, one ends of the guide rollers are communicated with a heat exchange tube 13 through a rotary joint, the heat exchange tube 13 penetrates into the temperature control box 6, and the guide rollers 12 are made of metal materials.
Before proceeding to the subsequent steps, one first winds the fabric around the first cloth roll 9, then winds and fixes the end of the fabric around the second cloth roll 10, and passes the fabric through the guide rolls 12 to be attached to the guide rolls 12.
S1, heating the fabric through the fabric temperature control machine 1 to reduce the water content in the fabric, at the moment, the electric heating tube 15 starts to heat, so that the temperature of air in the temperature control box 6 gradually rises, and the air in the temperature control box 6 is guided to enter the machine box 3 through the air outlet channel 14, so that the ambient temperature in the machine box 3 starts to rise.
Simultaneously, the servo motor 16 starts to control the first cloth roller 9, the second cloth roller 10 and the plurality of guide rollers 12 to rotate, and in the rotating process, the fabric repeatedly performs the work of unreeling and reeling, so that each inch position of the fabric in a roll shape can be contacted with high-temperature air in the case 3, and moisture existing in the fabric can be vaporized under the influence of high temperature and enter the hot air, so that the moisture content of the fabric is reduced, and the fabric is separated from the hot air.
S2, cooling the heated fabric by normal-temperature cold air in the fabric temperature control machine 1 until the temperature of the fabric reaches the normal-temperature cold air temperature, stopping heating by the electric heating tube 15 at the moment, continuing to introduce air, and discharging original hot air in the case 3, so that the fabric can exchange heat with the normal-temperature cold air until the temperature of the fabric is reduced to be the same as the normal-temperature cold air.
S3, cooling the fabric at normal temperature through low-temperature cold air in the fabric temperature control machine 1 until the temperature of the fabric reaches the low-temperature cold air temperature, and guiding the low-temperature cold air into the cold air inlet through the air cooler, so that the low-temperature cold air enters the machine case 3 in the temperature control box 6 through the air outlet channel 14, and cooling the fabric until the temperature of the fabric is reduced to be the same as the low-temperature cold air.
S4, the fabric at the part to be printed is sent into the thermal transfer printing machine 2, at the moment, a shielding window 5 is opened by people, the window 4 is opened, the fabric can be wound on a cloth roller II 10, the fabric is taken down from a cloth roller I9 and pulled out of the window 4, and is introduced into the thermal transfer printing machine 2 for processing, during the processing, the dye on the transfer paper can be sublimated, gasified and provided with a certain amount of heat gas dye due to thermal transfer printing, the fabric can be solidified in a short time after being contacted with the fabric at a low temperature, meanwhile, the fabric can be kept in a dry and low-temperature state due to the fact that the temperature of the fabric is gradually reduced to the low temperature, and the fabric can enhance the absorption of the dye after being contacted with the fabric at the low temperature and dried, so that the fabric is firmly fixed in the fabric, and the rest part of the fabric is stored into the low-temperature cold air and waits for processing.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (2)
1. The high-color fastness thermal transfer printing process is characterized in that: comprises the following steps of the method,
s1, heating the fabric by a fabric temperature controller (1) to reduce the water content in the fabric;
s2, cooling the heated fabric by normal-temperature cold air in the fabric temperature control machine (1) until the temperature of the fabric reaches the normal-temperature cold air temperature;
s3, cooling the fabric at normal temperature through low-temperature cold air in the fabric temperature control machine (1) until the temperature of the fabric reaches the temperature of the low-temperature cold air;
s4, conveying the fabric at the part to be printed into a thermal transfer printing machine (2), and storing the fabric at the rest part into low-temperature cold air and waiting for processing;
the fabric temperature control machine (1) comprises a bottom plate (7), a temperature control box (6) fixedly connected to the top surface of the temperature control box, a fabric receiving and unreeling assembly and a machine case (3), wherein the fabric receiving and unreeling assembly is positioned in the machine case (3), an opening and closing inlet and an opening window (4) are formed in the machine case (3), the temperature control box (6) is used for controlling the temperature in the machine case (3), the opening window (4) is used for allowing fabric to leave, a plurality of electric heating tubes (15) are arranged in the temperature control box (6), a plurality of cold air inlets are formed in the temperature control box (6), the cold air inlets are used for guiding low-temperature cold air into the temperature control box, an air outlet channel (14) communicated with the interior of the machine case (3) is formed in one side of the temperature control box (6) facing the machine case (3), the fabric receiving and unreeling assembly comprises two brackets (8) fixedly connected to the bottom plate (7), a bearing frame (11) positioned between the two brackets (8), a first cloth roller (9) and a second cloth roller (10) respectively rotatably connected to the two brackets (8), a second cloth roller (10) and a guide roller (12) are rotatably connected to the first cloth roller (12) and the second cloth roller (12) are arranged inside the guide roller (12), and one end of the guide roller is communicated with a heat exchange tube (13) through a rotary joint, the heat exchange tube (13) penetrates into the temperature control box (6), and the guide roller (12) is made of metal.
2. The high color fastness thermal transfer printing process according to claim 1, wherein: the shielding window (5) is rotationally connected to the window (4), and one end, far away from the rotating connection of the shielding window (5), of the shielding window is detachably connected with the inner wall of the window (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210951073.3A CN115233477B (en) | 2022-08-09 | 2022-08-09 | High-color fastness thermal transfer printing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210951073.3A CN115233477B (en) | 2022-08-09 | 2022-08-09 | High-color fastness thermal transfer printing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115233477A CN115233477A (en) | 2022-10-25 |
| CN115233477B true CN115233477B (en) | 2023-12-05 |
Family
ID=83679112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210951073.3A Active CN115233477B (en) | 2022-08-09 | 2022-08-09 | High-color fastness thermal transfer printing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115233477B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825840A (en) * | 2017-11-15 | 2018-03-23 | 安徽工程大学 | One kind weaving printing device of weaving cotton cloth |
| CN110588153A (en) * | 2019-10-08 | 2019-12-20 | 杭州宾戈科技有限公司 | Vamp surface fabric production automatic feeding drying stamp device |
| CN113135025A (en) * | 2021-04-23 | 2021-07-20 | 朱玮 | Textile printing equipment |
| CN113942294A (en) * | 2021-10-27 | 2022-01-18 | 浙江隆生数码纺织科技有限公司 | Printing device is shifted to printing ink layer peel-off method |
| CN114541153A (en) * | 2022-03-04 | 2022-05-27 | 连云港鹰游新立成纺织科技有限公司 | Washing-free flash-dyeing production method of textile |
-
2022
- 2022-08-09 CN CN202210951073.3A patent/CN115233477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825840A (en) * | 2017-11-15 | 2018-03-23 | 安徽工程大学 | One kind weaving printing device of weaving cotton cloth |
| CN110588153A (en) * | 2019-10-08 | 2019-12-20 | 杭州宾戈科技有限公司 | Vamp surface fabric production automatic feeding drying stamp device |
| CN113135025A (en) * | 2021-04-23 | 2021-07-20 | 朱玮 | Textile printing equipment |
| CN113942294A (en) * | 2021-10-27 | 2022-01-18 | 浙江隆生数码纺织科技有限公司 | Printing device is shifted to printing ink layer peel-off method |
| CN114541153A (en) * | 2022-03-04 | 2022-05-27 | 连云港鹰游新立成纺织科技有限公司 | Washing-free flash-dyeing production method of textile |
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| Publication number | Publication date |
|---|---|
| CN115233477A (en) | 2022-10-25 |
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