The method of printing on a breathable textile material and a device for its implementation

 

The invention relates to methods and devices for printing on the textile material. For printing on a breathable textile material (8) consecutive areas of material (8) on which to perform printing, enter steps in the area (5), overlapped at least one inkjet printhead (1). Using an inkjet printhead (1) the dye is selectively applied to the textile material in accordance with the information to recreate a pre-defined pattern. The dye deposited on the textile material (8), and finally processed to secure it. By maintaining the textile material (8) in taut in the area (5), blocked inkjet printhead (1), free volume (28) from the textile material (8), distant from the ink-jet print head (1), provide improved penetration and fixation of the dye and limiting its spread. The method is implemented by a device for printing on textile material. The device is equipped with a guide table (7) located in the zone (5), overlapping at least one of the printhead (1), the hollow volume (28), open from kalinago material (8). 2 S. and 19 C.p. f-crystals, 2 Il.

The invention relates to a method of printing on a breathable textile material, and device for its implementation.

Such a method and such a device is known from European patent application 0633345. In addition, in European patent applications 0633346 and 0633347 described such devices.

In comparison with more conventional transfer printing, in which first produce printing on paper media in mirroring, using an inkjet printer, and then the paint is transferred to the textile material by sublimation, such known methods and devices have the advantage that it can eliminate the intermediate step of printing on paper, and the associated costs, time, paper and printing inks.

The disadvantage of these known methods and devices, however, is the fact that a relatively large amount of dye is insufficient firmly fixed on the textile material, resulting in the dye coming off when using the wash material. In General, it is necessary, on the basis of these considerations, to wash such items prior to use to exclude zakresu is, is the clarity of the printing is disturbed due to spreading of the dye as soon as it is applied to the textile material.

The technical result of the invention is to provide such a method of printing directly on the textile material using an inkjet printer, which, on the one hand, provides the best absorption of the dye textile material, and on the other hand, limits the spreading of the dye.

In accordance with the present invention, this is achieved by the method of printing on a breathable textile material, comprising the step subsequent introduction sections of a textile material, which produce the printing zone, overlapping at least one of the printhead, the selective deposition of the dye on the textile material by means of at least one inkjet printhead in accordance with the information for reproducing a predetermined figure, the impact on the applied dye treatment for at least fixing the dye, while the textile material is supported in tension in the zone of coverage of at least one inkjet printhead, over free ovci.

With the volume from the textile material can maintain a negative pressure relative to the environment by air suction from it.

In addition, in the air, passively through the textile material, you can add the pre-heated air.

It is possible to pre-heating the textile material before applying the dye.

Possible is also the air supply in addition to the sucked air in the area where the textile material is preheated.

The textile material can be maintained in tension in the zone of coverage of the printhead between the driven rotating conveyor surface and a tension roller located in the loop formed from a textile material.

In addition, the textile material, at least before you pass it through the zone of coverage of at least one of the printhead, can be around the first idler roller located in the first loop of textile material, and after crossing the zone of coverage of at least one of the printhead, carry around a second idler roller located in the second item second tension roller textile material are performed along the conveying surface.

The second tension roller, you can also create a greater force on the textile material than the first tension roller.

The supply roll can be actuated in response to the length of the loop, the envelope of the tension roller, and the textile material can be freely along the conveying surface.

In addition, the dye can be fixed by sublimation.

The technical result is also achieved with a device for printing on a breathable textile material containing at least one inkjet printhead, installed with the possibility of reciprocating motion so as to cover a certain area of printing, the control unit of the printhead to control the movement and flow of the dye at least one inkjet printhead, the guide table for guiding the textile material on which produce printing, in an area overlapping at least one of the printhead, transport system for the step of introducing the subsequent parts of textile material, which produce the printing zone, overlapping at least one of the printhead, it is equipped with is the volume, the open side of at least one printhead for the formation of free volume, which is located from the side of the textile material remote from the at least one printhead.

Hollow volume may communicate with a source of reduced pressure.

The device may further comprise a channel for air supply, outdoor in the zone of coverage of at least one of the printhead, and a channel for air supply posted by the heating element.

Up on the course material from the hollow volume can be set guide table with a heating element for pre-heating the textile material transported on the guide table.

The heating element in the channel for air supply may also form a heating element guide table up on the course material from the hollow volume for pre-heating the textile material transported on the guide table.

The transport system may contain drive the rotating surface and the tensioning roller, suspended in a loop of textile material, on both sides of the zone of coverage of the printhead.

In addition to t the x in the course material from the zone, blocked by a printer, and at least one second tension roller, located down in the course material from the area blocked by a printer, and at least one conveying surface located in the direction of transportation between the tensioning rollers.

The second tensioning roller can be made with the possibility of creating more force on the textile material than the first tension roller.

Transporting the system may further comprise at least one feed roll, at least one actuator for rotating at least one supply roll and at least one detector for determining the position of a loop or loops, envelope/envelope tensioning roller or envelopes tension rollers, and at least one detector connected to at least one actuator for inclusion in the action of the actuator in response to the determination of the specific provisions of the loop or loops, envelope/envelope tensioning roller or idler rollers.

In addition, in the working conditions of textile material can be carried out around the sector conveying surface, while the free zone is located along the transport sector surface for posting textile Metelitsa free space and which, thus, it is not in contact with the surface behind him caused the dye experience fewer obstacles rapid, deep penetration of the textile material. In addition, does not cause complications in the case when part of the dye completely through the textile material, as the lack of contact with adjacent on the other side surface in the area where the printhead or printheads, prevents smearing of the past through the dye. This ensures rapid, deep penetration of the dye in the perpendicular direction to the plane in which is located the textile material, and limited spreading in parallel textile material plane, in which it is located.

Other tasks, structural features and structural characteristics of the invention are described and explained below with the help of embodiments, given by way of example, and with reference to the accompanying drawings, which depict:
in Fig.1 in somewhat schematic form a cross section of a device made in accordance with the sample option run;
in Fig.2 - also schematized rear view h printheads, displaced relative to each other in the direction of transport of the textile material (arrow 2) and in the direction of movement of the printing heads (arrow 3), for printing liquid dye of the following colors: yellow, Magenta, cyan, and black. Node 1 printheads move the reciprocating along the guide 4 for closing a particular zone 5 printing.

To control the movement and flow of the dye-to-host printing heads 1, the device comprises a control unit print heads, as shown schematically in Fig.2 in the form of block 6.

Against node printhead is guide table 7 for guiding the textile material 8 on which to perform printing (shown only in Fig.1), in zone 5, blocked print heads.

To enter step by way of the subsequent parts of the textile material 8 on which to perform printing, in the zone, blocked print heads 1, the device is equipped with a system for transportation. Up in the course of the product guide table 7 of this system to transport contains valian 9 to install a roll 10 of a textile material which should produce is in the form of a tension roller 12, detector loop 13, the guide shaft 14 and the transporting shaft 15.

Detector loop 13 is connected by a line 16 to the actuator 11 to control the actuator 11 in response to the rise of the loops of textile material around the tension roller 12, above the plane 17, on which are monitored by the detector 13. When the detector determines that the loop that surrounds the tension roller 12 is located above the plane 17 includes the actuator 11 for rotation of the roll 10 at a certain angle and the filing with him of a certain length of material. If necessary, can be installed by the second detector at some distance below the detector 13, to always apply the same amount of textile material, regardless of the diameter of the roll 10 in each moment of time.

As the textile material before you come to the transporting shaft 15, around the guide shaft 14, the textile material during operation tightly to the surface of the transporting shaft 15 in the greater part of its surface. As a result, the relatively small tension textile fabrics without holding a substantial pulling force may be communicated to the textile fabric to provide reliable transportation. For transport technote, which adjoins the textile material. As the textile material freely around the surface of the shaft 15, to provide an even and accurate transportation at very small deformation of the canvas. This is especially important when printing on textiles, because such material generally has essentially less stiffness in the diagonal direction than the paper, and the use of temporary means for tightening the textile material is accompanied by the disadvantage that subsequently you must delete the temporary tightening.

The guide shaft 14 is suspended in the rotary means 18, which can be rotated about the axis 19 from the position shown in solid lines to the position shown in Fig.1 dash-dotted lines. The introduction of the paper web can be so easy when the rotary means 18 to translate in the position shown in Fig.1 dash-dotted lines. After the canvas is drawn along the guide table 7 and associated with the conveyor system down during product guide table 7, the loop can be easily formed by placing a tension roller 12 between the roll 10 and the guide shaft 14, and then you can roll it out ROI is located close to the transporting shaft by turning the rotary means 18 in position, shown in solid lines.

Transporting howled 15 is connected with a drive 20 for the step of moving textile fabric 8. The actuator 20 is controlled by means of the control block 6 print heads from the Central control station 21. Precision stepper transportation textile fabrics 8 is particularly important for accurate coupling between the successive strips of the picture, which form the print heads 1.

On the down side, in the course of the product relative to zone 5, blocked print heads 1, i.e. on the side relative to zone 5, blocked print heads 1, remote from the conveying shaft 15, is located next stretch roller as the stretch roll 22. Textile fabric 8 around the tensioning roller 22 in the form of a loop and a tension roller 22 comes to a rolling shaft 23, on which the printed material can be stored up until it will not pass for further processing to another machine, for example for fixing the dye.

Between the tensioning roller 22 and the conveying shaft 15 and, thus, also in zone 5, blocked print heads, maintain a very stable tension of the textile material 8, which follows the Oka accuracy to transport and make it printing. This advantage is also important when printing is produced without the open space behind the textile material in zone 5, the overlapped printing heads 1, as described below. This advantage, however, is especially important when producing printing on relatively open textile material, which is usually smoother and therefore transport more difficult to manage and it can easily perform printing with high precision when there is open space behind the textile material in zone 5, the overlapped printing heads 1, without using temporary orectochilus.

As up and downstream product from zone 5, overlapped by the printer, and down along the product from zone 5, overlapped by the printer, are idler rollers 12, 22, textile fabric between the tension rollers 12, 22 hold in equilibrium, from the transporting shaft 15 is required to act only with a small driving force on the textile fabric 8 to move and stop moving textile fabric 8. This allows very accurate control over the movement in the area, blocked print heads 1, using a simple means p. the capacity of the transporting shaft 15 on textile fabric 8, practically limited because of the tension roller 22, located down in the course of the product guide table 7, slightly heavier than the tension roller 12 located up in the course of the product guide table 7, and, thus, the shaft 15 is affected with a slightly greater pulling force on the textile fabric 8. The difference in tension, thus, also compensates for some of the friction force between the textile fabric 8 and the guide table 7, so that the driving force with which to influence the transporting shaft 15 on the textile fabric, and therefore, whatever slippage is also limited.

Rolling the shaft 23 also result in movement in response to the length of the loop, the envelope of the tension roller 22. For this purpose, the detector 24 is connected by a line 25 to the actuator 26 of the rolling shaft 23. When the loop is lowered below the plane about which monitor, the actuator 26 is activated and turns rolling the shaft 23 at a certain angle in the direction of rolling. The second detector can be installed in this case, to stop rolling, when the loop reaches a certain maximum level. Instead of the tension rollers 12, 22, which due to their mass and gravity, acting on techy, as, for example, a tension spring rolls.

The smart table is supplied in zone 5, the overlapped printing heads 1, the empty space 28, the open against the printhead 1. In practice, this empty space 28 is a free space from the textile material 8, remote from the printhead 1.

In practice, the textile fabric is transported step method for guiding the table, and when the next part of the textile material 8 is fed to the zone 5 blocked print heads 1, this part of the textile fabrics 8 produce printing strip the overall picture, which should be reproduced. Printing heads 1 to selectively cause the dye on the textile material in accordance with the information for reproducing a predetermined pattern. The device, made in accordance with this example, each piece of textile material on which to perform printing, move in four steps through the zone, blocked print heads 1, after each of which one of the four printheads put 1 part of dye on textile fabrics 8.

By podderjival space from the textile material, remote from the printhead, it becomes possible to more rapid penetration of the dye in the textile material without the risk of smudging and prevents spreading of the dye on the sides. In particular, during the printing of adjacent surfaces in a variety of colors spreading leads to discoloration at the edges of these surfaces, impairing the appearance of the printing.

After application of the dye and drying, the dye is subjected to processing to secure it. For printing on polymeric materials, for example polyester material for flags that can be successfully used sublimation dye that by sublimation permanently fixed on the textile material and get the final color. Other dyes, for example, those described in European patent application 0633345, can also be used in combination with appropriate processing methods for their fastening.

Hollow volume 28 is communicated through channel 29 with a source 30 of reduced pressure. In practice, a reduced pressure relative to the environment is supported in the hollow volume 28 by air suction from this hollow volume 28. This provides substantially further increase in / min net the constituent material, thanks to such effective penetration of the dye in the textile material can be guaranteed that after fixing is no longer necessary to wash the material. In this regard, it is important to note that the material is subjected to such a small number of finishing operations or in the complete absence of finishing operations, can be used in restorannom. Very good results were obtained when printing on polymeric material for flags with a permeability of the order of 20-40%, and preferably 30%, in this case, the dye was subjected to sublimation at heat setting treatment.

Another advantage of the air suction side of the textile material 8 is separated from the printing heads 1, is that passed through the dye removed from the textile material, thereby preventing or at least limiting the fog drips or similar phenomena on the wrong side of the textile fabric 8. Another advantage of the air suction through the zone textile fabrics 8, blocked print heads 1, is that the movement of air through the textile material 8 is connected with a small movement of air along the printhead 1, Kie, through the area, blocked print heads 1, the device also includes a channel 31 for supplying air, an outdoor zone, blocked print heads 1, in which is located the heating element 32. In the air sucked through the textile material 8, type, thus pre-heated air, which largely prevents the spreading of the dye.

The heating element 32 also is the heating element for the guide table 7 and is up in the course of the product from the hollow volume 28 for pre-heating the textile material 8 to be transported on the guide table 7. By pre-heating the textile material 8 before applying the dye it is dried, resulting in the dye can penetrate faster and deposited on the textile material, the dye dries faster, so spreading it even more restrictive. In addition, by pre-heating the textile material to provide the effect, namely, that at the time of printing properties of a textile material not depend on environmental conditions such as temperature and humidity, so that provides enhanced vozmozhno design with the dual purpose of heat generated by further confirmed by the fact, the heating element 32 located in the channel 31 for air supply, also performs the function of heating element guide table 7 for pre-heating the textile material 8 to be transported on the guide table 7. When carry out the preliminary heating, the heat passing through the textile material 8, is given and it is used again to facilitate the drying of the dye in zone 5, blocked print heads 1.

The device comprises a cover 33 by means of which form a hermetically closed or almost tight space. Allowing for the possibility that the aspirated air is essentially adding a channel to supply air 31.

Guide table 7 contains the heating element 34 located down in the course of the product from the hollow volume 28. In addition, the heating element 35 is located above the guide table 7. These heating elements 34, 35 located down in the course of the product from the hollow volume 28, serve to further drying of the applied dye, so that when the roll of textile material into a roll, this dye does not go to the previous or next layer of material.

2. The method according to p. 1, characterized in that the volume (28) supports a reduced pressure relative to the environment by air suction from the volume (28).

3. The method according to p. 2, characterized in that the air passively through the textile material (8), add the pre-heated air.

4. The method according to any of the preceding paragraphs, characterized in that the textile material (8) is preheated before applying the dye.

5. The method according to p. 3 or 4, characterized in that serves the who/p> 6. The method according to any of the preceding paragraphs, characterized in that the textile material (8) is supported in tension in the area (5), blocked print head (1), between the driven rotating conveyor surface and a tension roller (22), located in the loop formed of textile material (8).

7. The method according to p. 6, characterized in that the textile material (8) at least before you pass it through a zone (5), overlapping at least one of the printhead, perform around the first idler roller (21) located in the first loop of textile material (8), and after crossing zone (5), overlapping at least one of the printhead (1), spend around a second idler roller (22) located in the second loop formed from a textile material (8), and after rounding the first tension roller (12) and before the rounding of the second tension roller (22) of the textile material (8) are performed along the conveying surface.

8. The method according to p. 7, characterized in that the second tension roller (22) to create a greater force on the textile material (8) than the first tension roller (12).

9. The method according to any of paragraphs. 6-8, characterized in that the FDS according to any one of paragraphs. 6-9, characterized in that the textile material (8) are freely along the conveying surface.

11. The method according to any of the preceding paragraphs, characterized in that the dye is fixed by sublimation.

12. Device for printing on a breathable textile material (8) containing at least one inkjet print head (1), installed with the possibility of reciprocating motion so as to cover a specific area (5) printing, the control unit (6) of the printhead to control the movement and flow of the dye at least one inkjet printhead (1), the guide table (7) for guiding the textile material (8), which produce printing, in the zone (5), overlapping at least one of the printhead (1), transporting system(9, 11, 12, 13, 14, 15, 18, 20, 22, 23, 25) for the step of introducing the subsequent parts of the textile material (8), which produce the printing zone (5), overlapping at least one of the printhead (1), characterized in that it is provided with a guide table (7) located in the zone (5), overlapping at least one of the printhead (1), the hollow volume (28), open from textiling material (8), remote from the at least one printhead (1).

13. The device according to p. 12, characterized in that the hollow volume (28) communicates with a source (30) creating a reduced pressure.

14. The device according to p. 13, characterized in that it further contains the channel (31) for supplying air, an outdoor zone (5), overlapping at least one of the printhead (1), and in the channel (31) for supplying air posted heating element (32).

15. Device according to any one of paragraphs. 12-14, characterized in that up on the course material from the hollow volume (28) has a guide table (7) with a heating element (32) for pre-heating the textile material (8), transported on the guide table (7).

16. The device under item 14 or 15, characterized in that the heating element (32) in the channel (31) for the airflow forms a heating element (32) the guide table (7) up on the course material from the hollow volume (28) for pre-heating the textile material (8), transported on the guide table (7).

17. Device according to any one of paragraphs. 12-16, characterized in that the conveyor system includes a drive rotating surface and the tensioning roller (22), suspended in a loop of textiles is different, however, that the transport system includes at least one first tensioning roller (12), set up in the course material from the zone (5), blocked by a printer, and at least one second tension roller (22), located down in the course material from the zone (5), blocked by a printer, and at least one conveying surface located in the direction of transportation (2) between the tensioning rollers.

19. The device under item 18, characterized in that the second tensioning roller (22) is made with the possibility of creating more force on the textile material (8) than the first tension roller (12).

20. Device according to any one of paragraphs. 17-19, characterized in that the transporting system further contains at least one supply roll (10, 23), at least one actuator (11, 25) for rotating at least one supply roll (10, 23) and at least one detector (13, 24) for determining the position of a loop or loops, envelope/envelope idler shaft or envelopes tensioning shafts (12, 22), and at least one detector (13, 24) is connected with at least one actuator (11, 25) for inclusion in the action of the actuator (11, 25) in response to the determination of the specific provisions of the loop or loops, envelope/envelope tensioning roller tilen material (8) is conducted around the sector conveying surface, and the free zone is located along the transport sector surface for the transaction of textile material (8) without clip.

 

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Active monoazo dyes // 2287542

FIELD: dyes.

SUBSTANCE: invention relates to active dyes designated for staining or printing of hydroxy- or nitrogen-containing organic substrates. Invention describes novel monoazo dyes comprising sulfatoethylsulfonyl groups of the formula (1) given in the invention description, mixtures of dyes and their using for staining or printing of hydroxy- or nitrogen-containing organic substrates and in dyes for jet printing. Proposed dyes provide the enhanced light resistance of painting and mixtures of dyes comprising the proposed dye possess the enhanced dyeing capacity as compared with individual dyes.

EFFECT: improved and valuable properties of dyes.

8 cl, 3 tbl, 45 ex

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