JP2012197531A - Ink jet printing apparatus and method for manufacturing printed product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ink jet printing apparatus capable of printing a fabric so as to have a printed image that can be viewed from a back side while keeping quality in which ink bleeding is reduced, and without using a special fabric.SOLUTION: The ink jet printing apparatus comprises a penetrant depositing part 4 for depositing a penetrant 3 on one face 2 of a transporting fabric 1 to be printed and an ink jet type first head 7 for ejecting a pigment ink 6 toward the other face 5 of the fabric 1 to be printed. The penetrant depositing part 4 comprises an ink jet type second head 9 for ejecting the penetrant 3. The apparatus further comprises a control part 10 for controlling operations of the ink jet type first head 7 and the ink jet type second head 9 respectively.

Description

  The present invention relates to an inkjet printing apparatus that performs printing on a fabric, that is, a material to be printed by an inkjet method, and a method for manufacturing a printed product.

Conventionally, ink is ejected onto one side (front side) of a fabric to print an image such as a pattern, and the ink is actively permeated to the other side (back side) of the fabric, A printing technique for making the image visible from the surface (back side) is also known.
For example, US Patent Publication No. US2008 / 00130 (Patent Document 1) discloses a method of performing inkjet printing by discharging a low-viscosity penetrating liquid together with ink as an auxiliary agent in order to promote the penetration of the ink into the back side of the fabric. It is disclosed.

  JP 2002-105875 A (Patent Document 2) uses a fabric obtained by treating a fabric with both a high wettability treatment liquid and a low wettability treatment liquid before performing inkjet printing. Further, it is described that bleeding can be controlled while increasing the permeability of the ink.

US Patent Publication US2008 / 00130 JP 2002-105875 A

However, in the method described in Patent Document 1, since the penetrating liquid and the ink are attached to the printing surface of the fabric at the same time, there is a problem that the ink tends to spread on the printing surface.
In addition, in the method described in Patent Document 2, it is necessary to provide a facility for pre-treating a fabric with two kinds of treatment liquids before ink-jet printing, or a dedicated fabric subjected to such pre-treatment must be used. There is a problem that the intended printing cannot be performed.

  An object of the present invention is to enable printing in which a printed image can be seen from the back side with a quality in which ink bleeding is suppressed without using a dedicated fabric.

  In order to solve the above problems, a first aspect of an ink jet printing apparatus according to the present invention includes a penetrating liquid adhering portion for adhering a penetrating liquid to one surface of a conveyed printing material, and the other of the printing material. An ink jet first head for discharging pigment ink to the surface.

Here, “printed material” means “fabric” to be printed, natural fibers such as cotton, silk and wool, chemical fibers such as nylon, and composite fibers such as woven fabrics, knitted fabrics and nonwoven fabrics. Etc., and includes both a long one wound in a roll shape and one cut into a predetermined length. Furthermore, in addition to the types of furniture such as handkerchiefs, scarves, towels, curtains, sheets, and bed covers after sewing, fabrics before and after cutting that exist as parts before sewing are also included.
In addition, the “inkjet first head” may be either of a structure mounted on a carriage that reciprocates in a direction intersecting with the conveyance direction of the material to be printed or a line head structure.
The “pigment ink” is ink that is distinguished from “dye ink”. In the “pigment ink”, the color material is not dissolved in a solvent such as water but is dispersed in the form of particles. On the other hand, the coloring material of “dye ink” is dissolved in a solvent such as water. The present invention uses a pigment ink.

If the ink jet printing apparatus according to this aspect is used, a penetrating liquid layer is formed on one surface of the material to be printed by the penetrating liquid adhering portion, and ink is ejected to the opposite surface of the material to be printed by the ink jet first head. As a result, an image such as a pattern is formed, and the following effects are obtained.
That is, the surface on the opposite side (hereinafter referred to as the “front side surface”) is formed by the permeate layer formed by the permeate attached to one side of the printing material (hereinafter also referred to as the “back side surface”). The ink ejected on the other side is guided to the back surface by the permeation liquid layer. Accordingly, it is possible to execute printing in which a printed image can be seen from the back side without using a dedicated fabric.
Then, by adjusting the amount of the penetrating liquid attached so that the attached penetrating liquid does not reach the front side surface of the material to be printed or the amount of penetrating liquid reaching the front side surface is reduced. Ink bleeding can be suppressed, and a high-quality printed product can be obtained.

  According to a second aspect of the ink jet textile printing apparatus of the present invention, in the first aspect, the penetrating liquid adhering portion includes an ink jet second head that discharges the penetrating liquid, and the ink jet first head and the ink jet printing head A control unit that controls each drive of the ink jet second head is provided.

According to this aspect, since the penetrating liquid can also be ejected from each nozzle hole of the nozzle row of the ink jet type second head and adhered to the printing material, the coating liquid is adhered only to a range corresponding to an image such as a pattern. Can be easily performed. As a result, it is not necessary to attach the penetrant to unnecessary portions, and the penetrant can be used effectively without waste.
Further, since the drive of the ink jet type first head and the ink jet type second head is controlled by the control unit, it is possible to adjust the printing conditions according to the type of the material to be printed, and to easily meet the user's request. It has become.

  According to a third aspect of the ink jet textile printing apparatus of the present invention, in the second aspect, the ink jet first head is disposed at the same position in the transport direction with respect to the ink jet second head. It is a feature.

According to this aspect, since the penetrating liquid and the ink are ejected to the same position on the front and back of the printing material, the penetrating liquid advances from the back side surface toward the front side and the penetrating liquid layer is being formed. The ink ejected on the surface on the front side comes into contact with the permeation liquid layer. Thereby, it is possible to more effectively suppress ink bleeding.
Further, according to this aspect, when the penetrating liquid contains a volatile solvent, the influence of fluctuations in the penetrating liquid composition due to the reduction of the solvent due to the volatilization can be reduced, and high-quality printing is realized. be able to.

  According to a fourth aspect of the ink jet textile printing apparatus of the present invention, in the second aspect, the contact / separation driving unit that makes the ink jet type first head and the ink jet type second head contact and separate relative to the transport direction. The control unit is configured to control each drive of the ink jet first head, the ink jet second head, and the contact / separation driving unit.

  According to this aspect, since the ink jet type first head and the ink jet type second head can be moved toward and away from each other relative to the transport direction, it is possible to change the distance between the heads in the transport direction. By changing the interval, it is possible to adjust the degree of color development and bleeding of printed images without changing other driving conditions, and variations in the printing results based on the user's intentions and preferences. Can be easily turned on.

  According to a fifth aspect of the ink jet printing apparatus of the present invention, in the fourth aspect, the material to be printed that has passed through the portion of the ink jet second head is reversed by a reversing unit, and the ink jet first head printing execution region. It is comprised so that it may reach.

  According to this aspect, in a state where the penetrating liquid is discharged to the material to be printed, the material to be printed is subjected to a light handling action accompanying reversal at the reversing portion in the transport path. Thereby, it becomes a permeation liquid layer adapted to the structure of the material to be printed, and higher quality printing can be realized.

  According to a sixth aspect of the ink jet textile printing apparatus of the present invention, in any one of the second to fifth aspects, the control unit includes the ink jet first head and the ink jet second head. Each liquid discharge amount is configured to be controllable.

  According to this aspect, the variation in the printing result can be further increased by changing the liquid discharge amounts of the ink jet first head and the ink jet second head.

  According to a seventh aspect of the present invention, there is provided a printed matter manufacturing method for executing printing on a recording material using the inkjet printing apparatus according to any one of the first to sixth aspects. It is.

According to this aspect, based on the effect of the ink jet printing apparatus according to any one of the first to sixth aspects, printing with high color developability, less blurring, and a texture that is not impaired. An object can be manufactured without using a dedicated fabric.
Alternatively, it is possible to easily produce a printed matter having a color development property and blurring suppression desired by the user and a texture.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view showing an outline of a main part of an ink jet printing apparatus according to a first embodiment of the present invention. (A), (B), and (C) are diagrams for explaining the operation of the ink jet textile printing apparatus according to the embodiment. The side view of the principal part outline | summary of the inkjet printing apparatus which concerns on Example 2 and in which the penetrant and the ink are discharged to the same position of the front and back of a printing material. FIG. 10 is a side view of a main part outline according to the third embodiment, in which the inkjet second head is movable.

[Example 1] (See FIGS. 1 and 2)
As shown in FIG. 1, the ink jet printing apparatus according to the first embodiment of the present invention includes a penetrating liquid adhering portion 4 for adhering a penetrating liquid 3 to one surface 2 of a conveyed printing material 1 and the printing object. An ink jet first head 7 that discharges the pigment ink 6 is provided on the other surface 5 of the material 1. The ink jet first head 7 has a known structure having a nozzle row 8 in which a plurality of nozzle holes for discharging the pigment ink 6 are arranged in the transport direction A of the printing material 1.
The ink jet first head 7 is mounted on a carriage 13 that reciprocates in a direction intersecting the transport direction A (a direction perpendicular to the paper surface of FIG. 1). In FIG. 1, reference numerals 16 and 17 denote guide shafts of the carriage 13. The guide shafts 16 and 17 have a known structure, and both ends thereof are supported by side frames (not shown) of the apparatus main body. Yes. The ink jet first head 7 may be a line head.

  Examples of the penetrating liquid adhering portion 4 include an application device such as a spray type or a roll coat type, and an ink jet type liquid jet head. In this embodiment, the penetrating liquid adhering portion 4 is composed of an ink jet second head 9 having the same structure as the ink jet first head 7 and having a nozzle row 8 for discharging the penetrating liquid 3. The ink jet second head 9 is also mounted on a carriage 14 that reciprocates in a direction intersecting the transport direction A. Reference numerals 18 and 19 denote guide shafts of the carriage 14. The ink jet second head 9 may also be a line head.

  The driving of the ink jet first head 7 and the ink jet second head 9 is controlled by a control unit 10. That is, when the textile printing execution command 15 is sent to the control unit 10, the control unit 10 sends the control signals 11 and 12 to the ink jet first head 7 and the ink jet second head 9. As a result, the penetrating liquid 3 is discharged from the inkjet second head 9 to one surface 2 of the printing material 1, and the pigment ink 6 is discharged from the inkjet first head 7 to the other surface 5 of the printing material 1. It has become so.

In the present embodiment, the ink jet first head 7 is arranged to be separated from the ink jet second head 9 on the downstream side in the transport direction A.
Further, the printing material 1 that has passed through the portion of the ink jet second head 9 is reversed by the reversing unit 20 to reach the portion of the ink jet first head 7. Reference numeral 21 denotes a reversing roller. A reversing roller 22 is also arranged on the upstream side of the ink jet second head 9. A conveying path is configured by the reversing rollers 21 and 22 so that the penetrating liquid 3 can be discharged from the upper side of the ink jet second head 9 from the upper side to the lower side.
In addition, the control unit 10 is configured to be able to execute control of adjusting and discharging the respective liquid discharge amounts of the ink jet first head 7 and the ink jet second head 9.

Next, with reference to FIG. 2, the operation and effect in the case where a printed material is manufactured by executing printing on the material 1 to be printed using the ink jet printing apparatus according to the first embodiment will be described.
FIG. 2A shows a case where the pigment ink 6 is ejected without forming a penetrating liquid layer by the penetrating liquid on the printing material 1. Since there is no penetrating liquid layer, the pigment ink 6 stops on the front side surface 5 of the printing material 1 and does not reach the back side surface 2, so that the back side surface 2 shows a state in which the printed image cannot be seen. Yes.

FIG. 2 (B) shows a printed matter produced by printing on a normal material to be printed, not the above-described dedicated fabric provided by the ink jet printing apparatus of the above embodiment. . Since the penetrating liquid 3 is discharged onto the back surface 2 of the printing material 1, the penetrating liquid layer 25 is formed on the back side, and there is no penetrating liquid layer 25 in the vicinity of the front surface. That is, there is a non-existing portion 26 of the permeating liquid layer 25 on the surface. Therefore, the pigment ink 6 ejected on the surface 5 on the front side of the material to be printed 1 does not penetrate in the direction along the surface by the non-existing portion 26 of the penetrating liquid layer 25 and penetrates into the inside. Then, since the permeation is promoted by contact with the penetrating liquid layer 25, the pigment ink 6 reaches the back surface 2.
As a result, it is possible to obtain a printed matter in which a printed image is visible from the back side and in which ink bleeding is suppressed without using a dedicated fabric.

  FIG. 2C shows a case where the pigment ink 6 is ejected from the surface 5 on the front side 5 of the material 1 to be printed, on which the penetrating liquid layer 25 is formed by the penetrating liquid 3. The penetration of the pigment ink 6 is promoted by the presence of the penetrating liquid layer 25 and penetrates deeper into the interior than in the case of FIG. 2A as a whole, but at the same time, the penetration in the direction along the surface also proceeds. That is, the pigment ink 6 reaches the back surface 2 while spreading in the lateral direction along the surface of the material 1 to be printed. As a result, the image blurs and the image becomes a lighter color.

Furthermore, according to the said Example, the effect described below is acquired.
First, since the penetrating liquid 3 can also be discharged from each nozzle hole of the nozzle row 8 of the ink jet type second head 9 and adhered to the printing material 1, the penetrating liquid is only in a range corresponding to an image forming area such as a pattern. 3 can be easily attached. Thereby, it is not necessary to attach the penetrating liquid 3 to unnecessary portions, and the penetrating liquid 3 can be used effectively without waste.
Further, since the driving of the ink jet type first head 7 and the ink jet type second head 9 is controlled by the control unit 10, the printing conditions can be adjusted according to the type of the material to be printed. It becomes easy to cope.

  Further, since the ink jet type first head 7 is arranged to be separated from the ink jet type second head 9 on the downstream side in the transport direction A, the permeate layer 25 is provided on one surface 2 of the printing material 1. After the formation, pigment ink 6 for forming a pattern on the surface 5 on the opposite side can be discharged. Therefore, the design is formed at the timing when the stability of the permeation liquid layer 25 formed by discharging the permeation liquid 3 is advanced, and the printing quality can be improved based on the stability.

  Further, the printing material 1 that has passed through the site of the ink jet second head 9 is reversed by the reversing unit 20 so as to reach the printing execution area of the ink jet first head 7 (the area covered by the nozzle row 8). Since it is configured, in a state where the penetrating liquid 3 is discharged to the material 1 to be printed, the material 1 to be printed is subjected to a light handling action accompanying reversal at the reversing unit 20 in the transport path. Thereby, it becomes the osmotic fluid layer 25 adapted to the structure of the material 1 to be printed, and the printing quality can be improved.

  In addition, the control unit 10 is configured to be able to perform control to discharge by adjusting the liquid discharge amount of the ink jet first head 7 and the ink jet second head 9 to increase or decrease, so that the ink jet first head By changing the amount of liquid discharged from one head 7 and the second ink jet type head 9, it is possible to finely adjust the degree of color development, the degree of bleeding suppression, and the degree of arrival at the back surface 2 Thus, it is possible to add more variations in the printing results.

[Example 2] (see FIG. 3)
As shown in FIG. 3, in the inkjet printing apparatus according to the second embodiment, the inkjet first head 7 is disposed at the same position in the transport direction with respect to the inkjet second head 9. In the present embodiment, the ink jet first head 7 and the ink jet second head 9 are disposed on a transport path in which the transport direction A is vertically upward. The other configuration is the same as that of the embodiment of FIG.

According to the present embodiment, since the penetrating liquid 3 and the pigment ink 6 are ejected to the same position on the front and back of the printing material 1, the penetrating liquid 3 advances the penetrating from the back side surface 2 toward the front side, and the penetrating liquid layer. In a state in which 25 is being formed, the pigment ink 6 ejected to the surface 5 on the front side comes into contact with the penetrating liquid layer 25. Thereby, the bleeding of the pigment ink 6 can be more effectively suppressed.
In particular, according to this example, when the penetrating liquid 3 contains a volatile solvent, the influence of fluctuations in the penetrating liquid composition due to the reduction of the solvent due to the volatilization can be suppressed, and high quality printing can be achieved. Can be realized.

[Example 3] (see FIG. 4)
The ink jet printing apparatus according to the third embodiment includes a contact / separation driving unit 30 that makes the ink jet first head 7 and the ink jet second head 9 contact and separate relative to the transport direction A. The control unit 10 is configured to be able to control each drive of the ink jet first head 7, the ink jet second head 9, and the contact / separation drive unit 30. Since the other configuration is the same as that of the second embodiment, the description thereof will be omitted and the difference will be described in detail.

  The contact / separation drive unit 30 is constituted by a rack and pinion mechanism in this embodiment. That is, bearings that support both ends of the carriage guide shafts 18 and 19 are provided separately from the side frames (not shown) of the apparatus main body, and are integrated with the rack 31 as shown in FIG. Is provided. The pinion 32 paired with the rack 31 receives the control signal 33 from the control unit 10 and rotates in the forward and reverse directions, so that the rack 31 slides in the transport direction A (arrow) 34). In FIG. 4, a position indicated by a broken line indicates a state in which the ink jet second head 9 approaches the ink jet first head 7.

  According to the present embodiment, the ink jet type first head 7 and the ink jet type second head 9 can be moved toward and away from each other in the carrying direction A. It is possible to change the interval at. By changing this interval, there is a timing at which the penetrating liquid 3 discharged onto the back surface 2 of the printing material 1 and the pigment ink 6 discharged onto the front surface 5 permeate into contact with each other from the opposite direction. Will change. This makes it possible to adjust the degree of color developability and the degree of bleeding of the printed image without changing other driving conditions, and easily provide variations in the printing results based on the user's intentions and preferences. be able to.

  Next, the penetrating liquid 3 and the pigment ink 6 used in the ink jet textile printing apparatus of the present invention will be described. As can be easily understood from the above description, the penetrating liquid 3 and the pigment ink 6 that can be used in the present invention are not limited to specific types or combinations of specific types. Therefore, all of the conventionally known penetrating liquid 3 and pigment ink 6 can be used, and will be specifically described below.

<Pigment ink>
The pigment ink is composed of a color material, a rubbing resistance improving resin, and other components including at least a solvent. It is known that the pigment ink is excellent in preservability such as light resistance and water resistance with respect to the dye ink. Examples of the color material include known organic pigments, inorganic pigments, and carbon black.

  For example, for black ink, carbon black (CI Pigment Black 7) such as furnace black, lamp black, acetylene black, channel black and the like are particularly preferable, but copper oxide, iron oxide (C.I. Pigment black 11), metals such as titanium oxide, and organic pigments such as aniline black (CI pigment black 1).

  Examples of pigments for color inks include C.I. I. Pigment Yellow 1 (Fast Yellow G), 3, 12 (Disazo Yellow AAA), 13, 14, 17, 24, 34, 35, 37, 42 (Yellow Iron Oxide), 53, 55, 74, 81, 83 (Disazo Yellow HR), 93, 94, 95, 97, 98, 100, 101, 104, 108, 109, 110, 117, 120, 128, 138, 153, 155, 180, 185, C.I. I. Pigment Red 1, 2, 3, 5, 17, 22 (Brilliant First Scarlet), 23, 31, 38, 48: 2 (Permanent Red 2B (Ba)), 48: 2 (Permanent Red 2B (Ca)), 48 : 3 (Permanent Red 2B (Sr)), 48: 4 (Permanent Red 2B (Mn)), 49: 1, 52: 2, 53: 1, 57: 1 (Brilliant Carmine 6B), 60: 1, 63: 1, 63: 2, 64: 1, 81 (Rhodamine 6G rake), 83, 88, 101 (Bengara), 104, 105, 106, 108 (Cadmium red), 112, 114, 122 (Quinacridone magenta), 123, 146, 149, 166, 168, 170, 172, 177, 178, 179, 185, 190, 193, 202, 206, 09,219, C. I. Pigment violet 19, 23, C.I. I. Pigment orange 36, C.I. I. Pigment Blue 1, 2, 15 (phthalocyanine blue R), 15: 1, 15: 2, 15: 3 (phthalocyanine blue G), 15: 4, 15: 6 (phthalocyanine blue E), 16, 17: 1, 56 , 60, 63, C.I. I. Pigment green 1, 4, 7, 8, 10, 17, 18, 36, and the like.

  The content of the color material in the ink is preferably 0.5% to 30%, and more preferably 1.0% to 15%. If the added amount is less than this, the printing density cannot be secured, and if the added amount is more than this, the viscosity of the ink is increased and the structural property is generated in the viscosity characteristic, and the ejection stability of the ink from the ink jet printing head tends to be deteriorated. become.

Next, the resin for improving abrasion resistance will be described. This resin for improving rub resistance is a resin added for the purpose of improving the washing fastness, rub resistance and fixability of the ink, and is a known resin, for example, described in JP-A-2006-307165. The resin component can be mentioned. Specifically, composite component resin of hydrophilic resin and hydrophobic resin is mentioned. Examples of the hydrophilic resin include styrene acrylic resins having a hydrophilic group such as a carboxyl group and a sulfone group, silicone resins, polyester resins, and urethane resins. Examples of the hydrophobic resin include hydrophobic styrene acrylic resin, silicone resin, polyester resin, and urethane resin.
These can be produced by a known method, for example, a method described in JP 2010-189626 A (a method for producing polymer fine particles).

The glass transition temperature of the resin for improving abrasion resistance is preferably 0 ° C. or lower. This improves the fixability of the pigment as the fabric ink. When the temperature exceeds 0 ° C., the fixability of the pigment gradually decreases. Preferably it is -5 degrees C or less, More preferably, it is -10 degrees C or less. Furthermore, the acid value of the resin for improving abrasion resistance is preferably 10 mgKOH / g or more and 100 mgKOH / g or less. When the acid value exceeds 100 mgKOH / g, the washing fastness when printing on the printing material is lowered. Preferably it is 50 mgKOH / g or less, More preferably, it is 30 mgKOH / g or less.
The molecular weight of the resin for improving abrasion resistance is preferably 100,000 or more, more preferably 200,000 or more. If it is less than 100,000, the fastness to washing when printed on fabric is lowered.

  Next, components other than the coloring material and the resin for improving abrasion resistance will be described. The other component is a component containing at least a solvent, for example, a solvent such as 1,2-hexanediol, butyltriglycol, glycerin, trimethylolpropane, triethyleneglycol, triethanolamine, and a surfactant. , Ion exchange water and the like. As the surfactant, a known surfactant such as an acetylene glycol type or an acetylene alcohol type can be used (for example, see JP 2010-189626 A).

  In addition, moisturizers, dissolution aids, penetration control agents, viscosity modifiers, pH adjusters, dissolution aids, etc. for the purposes of ensuring storage stability, stable ejection from inkjet heads, improving clogging, and preventing ink deterioration. Various additives such as an agent, an antioxidant, an antiseptic, an antifungal agent, a corrosion inhibitor, and a chelate for capturing metal ions that affect the dispersion can also be added.

<Osmotic fluid>
As the penetrating liquid, penetrants and surfactants that are usually used in inkjet textile printing inks can be suitably used.
Examples of such penetrants include ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, polypropylene glycol, propylene glycol, butylene glycol, 1,2,6-hexanetriol, thioglycol, hexylene glycol, glycerin, and trimethylolethane. , Polyhydric alcohols such as trimethylolpropane, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, diethylene glycol monoisobutyl ether, diethylene glycol monohexyl ether, triethylene glycol monomethyl ether , Trieti Polyhydric alcohols such as ethylene glycol monoethyl ether, triethylene glycol monobutyl ether, hexaethylene glycol monoethyl hexyl ether (manufactured by Nippon Emulsifier Co., Ltd .: New Coal 1006), tetraethylene glycol monoethyl hexyl ether (manufactured by Nippon Emulsifier Co., Ltd .: New Coal 1004) Alkyl ethers, urea, 2-pyrrolidone, N-methyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone, and the like. The polyhydric alcohol alkyl ethers include triethylene glycol monobutyl ether, diethylene glycol monobutyl ether, triethylene glycol monomethyl ether, diethylene glycol monoisobutyl ether, diethylene glycol monohexyl ether, hexaethylene glycol monoethyl hexyl ether, tetraethylene glycol mono You may use ethylhexyl ether 1 type or in combination of 2 or more types.

Examples of the surfactant include fatty acid salts; anionic surfactants such as alkyl sulfate esters; nonionic surfactants such as polyoxyethylene alkylphenyl ether; Surfynol 61, 82, 104, 440, 465 , 485 (all trade names, manufactured by Air Products and Chemicals), olphine E1010, olfin STG, olfin Y (all trade names, manufactured by Nissin Chemical), and the like; Cationic surfactants; amphoteric surfactants, organopolysiloxane surfactants such as KF-353A, KF6017, X-22-6551, AW-3 (all trade names, manufactured by Shin-Etsu Chemical Co., Ltd.), etc. Can be mentioned.
It is preferable that the penetrant contains about 10 to 30% by mass of the above penetrant and about 0.1 to 3.0% by mass of the surfactant with respect to the total mass of the penetrant.

The penetrant used in the present invention may improve the wettability of the printing material to improve the penetrability of the pigment ink, and may contain an organic amine in order to adjust the pH with the ink composition. Good. As the organic amine, a tertiary amine can be preferably used, and examples thereof include alkanolamines such as triethanolamine.
The content of the organic amine is generally 0.05 to 3.0% by mass with respect to the total mass of the penetrant.

In the present invention, it is preferable to adjust the addition amount of each component described above so that the surface tension of the penetrant is 28.0 mN / m or more, preferably 29.0 to 30.0 mN / m. By using a penetrating liquid having a surface tension in the above range, the pigment ink can penetrate into the printing material while minimizing the ink bleeding. A printed product with little difference in image density can be obtained. A person skilled in the art can appropriately adjust the amount of each component described above so that the surface tension is in the above range.
The surface tension of the penetrant can be measured on a platinum plate using, for example, an automatic dynamic surface tension meter CBVP-Z (manufactured by Kyowa Interface Science Co., Ltd.), but is not limited thereto.

In the case where the penetrating liquid is discharged by the ink jet method, it is preferable to contain a humectant from the viewpoint of improving the discharge stability from the nozzle of the ink jet second head.
As the humectant, a compound used as a humectant in a normal ink composition for ink jet textile printing can be used. For example, glycerin, ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, 1,3-propanediol, 1,4-butanediol, 1,2-hexanediol , 1,5-pentanediol, 1,6-hexanediol, 1,2,6-hexanetriol, polyols such as pentaerythritol, and derivatives thereof such as ethers or esters thereof; 2-pyrrolidone, N-methyl-2 -Lactams such as pyrrolidone or ε-caprolactam; ureas such as urea, thiourea, ethyleneurea, or 1,3-dimethylimidazolidinone; maltitol, sorbitol, gluconolactone Or sugars such as maltose can be mentioned, can be used alone or in combination.
The content of the humectant is preferably 4 to 40% by mass with respect to the total mass of the penetrant.

Further, the penetrant contains water as a balance in addition to the above-described components. As water, it is preferable to use ion-exchanged water, ultrafiltered water, reverse osmosis water, pure water such as distilled water, or ultrapure water. In particular, water obtained by sterilizing these waters by ultraviolet irradiation or addition of hydrogen peroxide is preferable because generation of mold and bacteria is prevented for a long period of time.
In addition, various additives that can be usually used in ink compositions for ink jet printing, such as antifungal agents, preservatives, antioxidants, ultraviolet absorbers, chelating agents, oxygen absorbers, etc., if necessary. One kind or two or more kinds can be contained.

1 Material to be printed, 2 One side (back side), 3 Coating liquid,
4 coating liquid adhesion part, 5 other side (front side), 6 ink,
7 inkjet first head, 8 nozzle row,
9 Inkjet type second head, 10 control unit, 11 control signal,
12 control signal, 13 carriage, 14 carriage, 15 textile printing execution command,
16 guide shafts, 17 guide shafts, 18 guide shafts, 19 guide shafts,
20 reversing part, 21 reversing roller, 22 reversing roller, 23 color material,
24 resin layer, 25 coat layer, 26 non-existing part, 30 contact / separation driving part,
31 racks, 32 pinions, 33 control signals, 34 arrows, A transport direction

Claims (7)

A penetrating liquid adhering portion for adhering the penetrating liquid to one side of the printed material to be conveyed;
An ink jet printing apparatus comprising: an ink jet first head that discharges a pigment ink on the other surface of the material to be printed. In the inkjet printing apparatus according to claim 1,
The penetrating liquid adhering portion is composed of an ink jet type second head that discharges the penetrating liquid,
An inkjet printing apparatus comprising a control unit that controls each drive of the inkjet first head and the inkjet second head. In the inkjet printing apparatus according to claim 2,
The inkjet printing apparatus, wherein the inkjet first head is disposed at the same position in the transport direction with respect to the inkjet second head. In the inkjet printing apparatus according to claim 2,
A contact / separation drive unit that contacts and separates the inkjet first head and the inkjet second head relative to the transport direction;
The ink jet printing apparatus, wherein the control unit is configured to control each drive of the ink jet first head, the ink jet second head, and the contact / separation driving unit. In the ink jet textile printing apparatus according to claim 4,
An ink-jet printing apparatus, wherein the material to be printed that has passed through the portion of the ink-jet second head is reversed by a reversing unit to reach a printing execution area of the ink-jet first head. In the ink jet textile printing apparatus according to any one of claims 2 to 5,
The ink jet printing apparatus, wherein the controller is configured to be able to control each liquid discharge amount of the ink jet first head and the ink jet second head.   The manufacturing method of the printed matter which performs printing on a to-be-printed material using the inkjet printing apparatus as described in any one of Claim 1 to 6.

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