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WO2007060298A1 - Producing an image on a substrate - Google Patents

Producing an image on a substrate Download PDF

Info

Publication number
WO2007060298A1
WO2007060298A1 PCT/FI2006/050526 FI2006050526W WO2007060298A1 WO 2007060298 A1 WO2007060298 A1 WO 2007060298A1 FI 2006050526 W FI2006050526 W FI 2006050526W WO 2007060298 A1 WO2007060298 A1 WO 2007060298A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
binding agent
substrate
accordance
printing
Prior art date
Application number
PCT/FI2006/050526
Other languages
French (fr)
Inventor
Urho A. PIETILÄ
Original Assignee
Moiree Ltd Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Moiree Ltd Oy filed Critical Moiree Ltd Oy
Publication of WO2007060298A1 publication Critical patent/WO2007060298A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
    • B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/6558—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6582—Special processing for irreversibly adding or changing the sheet copy material characteristics or its appearance, e.g. stamping, annotation printing, punching
    • G03G15/6585—Special processing for irreversibly adding or changing the sheet copy material characteristics or its appearance, e.g. stamping, annotation printing, punching by using non-standard toners, e.g. transparent toner, gloss adding devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • H05K3/1266—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by electrographic or magnetographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/02—Letterpress printing, e.g. book printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/06—Lithographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/10—Intaglio printing ; Gravure printing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
    • H05K2203/013—Inkjet printing, e.g. for printing insulating material or resist
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
    • H05K2203/0143—Using a roller; Specific shape thereof; Providing locally adhesive portions thereon
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/05—Patterning and lithography; Masks; Details of resist
    • H05K2203/0502—Patterning and lithography
    • H05K2203/0517—Electrographic patterning
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/05—Patterning and lithography; Masks; Details of resist
    • H05K2203/0502—Patterning and lithography
    • H05K2203/0522—Using an adhesive pattern

Definitions

  • the present invention concerns a method for producing an image on a substrate, wherein the image is formed by transferring the image-forming agent image- wise onto the substrate.
  • image-forming agent image- wise onto the substrate.
  • it is thereby related to image forming by means of press or printing technique.
  • the methods of the press printing in question are the conventional ones, and the printing techniques include both the ink-jet printing and the electrostatic (xerographic) printing.
  • Typical for press techniques is that an image or a partial color thereof is printed onto a substrate by using printing ink having all the substantial components of the printing ink included. From the point of background of the present invention, at least the color pigment and binding agent have been included in the printing ink used in the press and printing processes. In the ink-jet printing the situation is alike. Also in the electrostatic printing the printing color includes the binding agent or bonding agent in the phase, where the image is transferred onto the substrate.
  • the basic idea of the present invention is the forming of an image onto a substrate in a different way than in the traditional press and printing techniques, following, however the basic procedure where the image is formed by transferring the image forming agents image-wise onto the substrate.
  • the image is formed by applying image- wise a binding agent onto the substrate and bringing the binding agent image formed on the substrate into contact with a color pigment.
  • Preferred embodiments of the invention are included in the dependent claims.
  • a latent binding agent image 2 is first produced with a suitable press or printing technique onto a substrate 1 , the latent image representing the image to be produced.
  • This latent binding agent image is brought into a visible form by bringing the image into contact which a color pigment 3, said pigment bonding to the binding agent on the substrate 1, but not onto the rest parts of it.
  • the result is a ready image 4.
  • the binding agent applied using different techniques onto the substrate must be chosen taking into consideration the substrate, color pigment and the image producing technique.
  • the binding agent has a proper bonding to the material of the substrate.
  • the binding agent must have properties that guarantee that the agent can be evenly applied onto the substrate, in accordance with the image to be produced.
  • the agent applied image-wise onto the substrate must also have suitable bonding properties with respect to the color pigment, as well as suitable drying and inactivation properties after the color pigment has been brought into contact with it.
  • the properties of the substrate for the image to be produced are significant for choosing the suitable binding agent. Absorbing properties as well as the surface properties must be taken into consideration for the part of the bonding to the substrate, as well as for the part of the properties the color is possessing when applied onto the binding agent already applied onto the substrate.
  • the surface must provide an adequate bonding for the color pigment, but the pigment must coat the binding agent in the most applications so that the color surface is "dry", i.e. does not have any bonding properties left. This is significant for the further processing of the produced image, e.g. when printing the next color onto the image.
  • One usable binding agent for this purpose has proven to be the conventional binding agent for printing inks.
  • different water soluble adhesives are suitable for forming images on different image receiving materials.
  • Vegetable-based adhesives are well suitable for implementing the invention, e.g. rye-, oat-, wheat-, flax- and potato-based adhesives, arabic gum, glucomannan, etc.
  • water can be classified as one of the binding agents. Suitable additional properties could be achieved for these adhesives with known processing methods of starch-based adhesives, said processing methods applied to the adhesives used in paper industry.
  • the transparent ink used in the offset printing can also be classified as a binding agent when implementing the invention.
  • One advantage with the water soluble adhesives is that chemical solvents can be avoided. The cleaning of the equipment can be implemented with simple measures.
  • the binding agent must have fluidity properties suitable for the nozzles to be used for producing the ink jet.
  • the binding agent must have electric affinity properties so as to make it bond to the charged areas of the image transfer surface.
  • the image transfer surface must have adequate release properties for ensuring the non-problematic transfer of the adhesive latent image to the substrate onto which the image is produced.
  • binding agent with appropriate state will be chosen.
  • the binding agent is in liquid form.
  • the gel state, as well as the pasty state come into question.
  • the binding agent can also be in the solid, fine-grained state in some special applications.
  • the color pigment can be brought into contact with the latent image provided with the binding agent by using different methods, depending on the state of the color pigment.
  • the color pigment is applied onto the latent image as a powder.
  • non-contacting techniques like spraying or blowing, or contacting techniques can be used.
  • One applicable applying method with a contacting technique is based on the use of a gravure roller, wherein the powder is brought to the gravure cavities with conventional methods.
  • the gravure roller is brought into surface contact with the latent image, whereby the binding agent picks up the color pigment from the gravure cavities.
  • different brushing techniques come into question as contacting application techniques of the color powder.
  • the color surface can be dried in the most simple way.
  • the intensity of the color surface is significantly improved, because the visible surface if formed only by the pigment, having no binding agent on the visible area..
  • the color pigment does not include binding agent that could have a deteriorating influence on the aging properties of the pigment, as the binding agent is only at the boundary of the substrate and the pigment.
  • the use of the color pigment also in some other state than as a solid material powder can be included in the scope of the invention.
  • the color pigment can be as a gel, whereby, for the part of the gelling agent it must be taken into account the compatibility with the binding agent of the latent image and also with the color pigment itself.
  • suitable aspects in connection with the image forming can be provided, due to e.g. the mutual behavior or reactions of the binding agent of the latent image and the gelling agent.
  • the agents e.g. quick hardening, respectively protective coating, can be provided for the formed color surface.
  • the paste-like state of the color pigment in turn, can offer advantages for the applying technique, e.g. in the applications, where the latent image formed by the binding agent on the image receiving material is embossed from the surface of the image receiving material, being thus more easily brought into contact with the surface carrying the color pigment, like a roller surface. Also corresponding combined effects with the components of the paste and the binding agent of the latent image can be achieved, as in the gel application of the color pigment.
  • One field of application of the invention is the case where the color pigment has properties of electrical conductivity.
  • the application is usable for manufacturing of circuit patterns and the like, where these properties are required. Thereby the different states of the color pigment to be used bring about their own possible applications e.g. for the finishing of the pattern.
  • One special embodiment of the invention is applicable in the manufacturing of printed products, wherein better printing properties are required from the part of the surface to be printed than from the rest parts of the surface to be printed.
  • a colored printing image must be made in connection with a text printing.
  • the area of the color image can be totally coated with the binding agent, and a suitable printing surface material is applied onto this latent image as a white color pigment or as a coating agent like china clay.
  • the image is printed after that by a usual color printing, and the rest portion of the printing area by a usual text printing.
  • a technique can be used, wherein the binding agent is included in the substrate, like paper. Thereby the paper is treated with a material that can be activated image-wise into a state where it has surface bonding properties, when the paper is in contact with the surface, where the preformed image is formed with an electrostatic method.
  • the image-wise charged area activates the binding agent of the substrate into a binding state, or into a state that can be brought into the binding state by means of further treatment.
  • the color pigment portion of the image can after that stage be brought into contact with the activated binding agent as it is in the state described above, and with the methods described above.
  • An applicable activation of the binding agent is to use the electric charge of the preformed image, for which compatible activation properties of the binding agent are required, forming as such a binding surface to the material, or the binding surface is formed by means of additional treatment like physical or chemical treatment or exposure to radiation. Physical treatments include among others heating. Chemical treatments include e.g. active gas treatment, and radiation exposure e.g. light exposure.
  • a special area of application of the invention is the image printing, where the measures in accordance with the basic idea of the present invention are used for providing a printing plate for use in the actual image printing.
  • the printing plates thus produced can be printing plates to be used especially in the offset printing, flexographic printing and gravure printing.
  • a positive image to be printed is recorded by ink-jet technology onto a hydrophilic plate using hydrophobic ink or ink which can be treated to expose a surface with hydrophobic behavior.
  • the plate made in this way can then be used as usual for making an offset image by using hydrophobic printing inks.
  • the printing plate can also be advantageously made by using the ink-jet technology, wherein a positive image is formed onto a printing plate by means of a glue having suitable adhesive and hardening properties.
  • the image can be made first with an over-dimensioned contour as a raw image by means of a glue forming the frame of the printed image.
  • the final image is then printed onto this raw image as a fine printing with a more fine grained binding agent.
  • the image surface printed with the fine grained binding agent is then coated with a material including a metallic component, like fine grained copper powder.
  • the metallic agent bonding to the fine printed image surface forms a usable printing surface of the printing plate.
  • a printing plate to be used in the gravure printing can be made by following the measures in accordance with the invention, mainly following the making of the printing plate of the flexographic printing as described above, whereby the portion of the printing plate to be coated shows the negative image of the image to be printed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Printing Methods (AREA)

Abstract

The invention concerns a method of providing an image on a substrate (1). The image is formed by applying first a binding agent (2) image- wise onto the substrate (1), and bringing the image-wise binding agent on the substrate into contact with a color pigment (3).

Description

Producing an image on a substrate
The present invention concerns a method for producing an image on a substrate, wherein the image is formed by transferring the image-forming agent image- wise onto the substrate. In general it is thereby related to image forming by means of press or printing technique. The methods of the press printing in question are the conventional ones, and the printing techniques include both the ink-jet printing and the electrostatic (xerographic) printing.
Typical for press techniques is that an image or a partial color thereof is printed onto a substrate by using printing ink having all the substantial components of the printing ink included. From the point of background of the present invention, at least the color pigment and binding agent have been included in the printing ink used in the press and printing processes. In the ink-jet printing the situation is alike. Also in the electrostatic printing the printing color includes the binding agent or bonding agent in the phase, where the image is transferred onto the substrate.
The basic idea of the present invention is the forming of an image onto a substrate in a different way than in the traditional press and printing techniques, following, however the basic procedure where the image is formed by transferring the image forming agents image-wise onto the substrate. According to the basic idea of the invention the image is formed by applying image- wise a binding agent onto the substrate and bringing the binding agent image formed on the substrate into contact with a color pigment. Preferred embodiments of the invention are included in the dependent claims.
The basic idea of the invention is illustrated in the enclosed drawing.
When implementing the invention, a latent binding agent image 2 is first produced with a suitable press or printing technique onto a substrate 1 , the latent image representing the image to be produced. This latent binding agent image is brought into a visible form by bringing the image into contact which a color pigment 3, said pigment bonding to the binding agent on the substrate 1, but not onto the rest parts of it. The result is a ready image 4. The binding agent applied using different techniques onto the substrate, must be chosen taking into consideration the substrate, color pigment and the image producing technique.
It is essential, fist of all, that the binding agent has a proper bonding to the material of the substrate. On the other hand, the binding agent must have properties that guarantee that the agent can be evenly applied onto the substrate, in accordance with the image to be produced. The agent applied image-wise onto the substrate must also have suitable bonding properties with respect to the color pigment, as well as suitable drying and inactivation properties after the color pigment has been brought into contact with it.
The properties of the substrate for the image to be produced are significant for choosing the suitable binding agent. Absorbing properties as well as the surface properties must be taken into consideration for the part of the bonding to the substrate, as well as for the part of the properties the color is possessing when applied onto the binding agent already applied onto the substrate. The surface must provide an adequate bonding for the color pigment, but the pigment must coat the binding agent in the most applications so that the color surface is "dry", i.e. does not have any bonding properties left. This is significant for the further processing of the produced image, e.g. when printing the next color onto the image.
One usable binding agent for this purpose has proven to be the conventional binding agent for printing inks. Also different water soluble adhesives are suitable for forming images on different image receiving materials. Vegetable-based adhesives are well suitable for implementing the invention, e.g. rye-, oat-, wheat-, flax- and potato-based adhesives, arabic gum, glucomannan, etc. When implementing the invention, also water can be classified as one of the binding agents. Suitable additional properties could be achieved for these adhesives with known processing methods of starch-based adhesives, said processing methods applied to the adhesives used in paper industry. The transparent ink used in the offset printing can also be classified as a binding agent when implementing the invention. One advantage with the water soluble adhesives is that chemical solvents can be avoided. The cleaning of the equipment can be implemented with simple measures.
When forming the pre-stage of the image, the latent image, onto the substrate with the binding agent, different press techniques can be implemented, like for example letterpress or applications thereof (flexography). Also the lithographic technique can be used, like offset printing, if the properties suitable for that technique have been chosen for the binding agent. Gravure press is suitable for the purpose under the same preconditions. Also screen printing (serigraphy) is useful when implementing the invention.
Among other techniques, first of all, the ink-jet printing comes into question, for which the binding agent must have fluidity properties suitable for the nozzles to be used for producing the ink jet. In electrostatic methods the binding agent must have electric affinity properties so as to make it bond to the charged areas of the image transfer surface. Correspondingly, the image transfer surface must have adequate release properties for ensuring the non-problematic transfer of the adhesive latent image to the substrate onto which the image is produced.
Depending on the technique of forming the latent image, a binding agent with appropriate state will be chosen. In the most applications the binding agent is in liquid form. Also the gel state, as well as the pasty state come into question. Further, the binding agent can also be in the solid, fine-grained state in some special applications.
The color pigment can be brought into contact with the latent image provided with the binding agent by using different methods, depending on the state of the color pigment. In many applicable solutions, the color pigment is applied onto the latent image as a powder. For the application of the powder, non-contacting techniques, like spraying or blowing, or contacting techniques can be used. One applicable applying method with a contacting technique is based on the use of a gravure roller, wherein the powder is brought to the gravure cavities with conventional methods. The gravure roller is brought into surface contact with the latent image, whereby the binding agent picks up the color pigment from the gravure cavities. Also different brushing techniques come into question as contacting application techniques of the color powder.
When using dry color pigment powder for providing the image, several advantages can be achieved with simple measures. Firstly, by using the color in powder form, the color surface can be dried in the most simple way. Secondly, the intensity of the color surface is significantly improved, because the visible surface if formed only by the pigment, having no binding agent on the visible area.. For the permanence of the color it is also significant, that on the visible part of the image, the color pigment does not include binding agent that could have a deteriorating influence on the aging properties of the pigment, as the binding agent is only at the boundary of the substrate and the pigment.
The use of the color pigment also in some other state than as a solid material powder can be included in the scope of the invention. The color pigment can be as a gel, whereby, for the part of the gelling agent it must be taken into account the compatibility with the binding agent of the latent image and also with the color pigment itself. With this implementation, suitable aspects in connection with the image forming can be provided, due to e.g. the mutual behavior or reactions of the binding agent of the latent image and the gelling agent. With the mutual reaction of the agents e.g. quick hardening, respectively protective coating, can be provided for the formed color surface.
The paste-like state of the color pigment, in turn, can offer advantages for the applying technique, e.g. in the applications, where the latent image formed by the binding agent on the image receiving material is embossed from the surface of the image receiving material, being thus more easily brought into contact with the surface carrying the color pigment, like a roller surface. Also corresponding combined effects with the components of the paste and the binding agent of the latent image can be achieved, as in the gel application of the color pigment.
One field of application of the invention is the case where the color pigment has properties of electrical conductivity. The application is usable for manufacturing of circuit patterns and the like, where these properties are required. Thereby the different states of the color pigment to be used bring about their own possible applications e.g. for the finishing of the pattern.
One special embodiment of the invention is applicable in the manufacturing of printed products, wherein better printing properties are required from the part of the surface to be printed than from the rest parts of the surface to be printed. As an example there is a case, where a colored printing image must be made in connection with a text printing. The area of the color image can be totally coated with the binding agent, and a suitable printing surface material is applied onto this latent image as a white color pigment or as a coating agent like china clay. The image is printed after that by a usual color printing, and the rest portion of the printing area by a usual text printing. In the electrostatic image forming, alternatively, a technique can be used, wherein the binding agent is included in the substrate, like paper. Thereby the paper is treated with a material that can be activated image-wise into a state where it has surface bonding properties, when the paper is in contact with the surface, where the preformed image is formed with an electrostatic method.
When the substrate including the binding agent comes into contact with the surface bearing a preformed image, the image-wise charged area activates the binding agent of the substrate into a binding state, or into a state that can be brought into the binding state by means of further treatment. The color pigment portion of the image can after that stage be brought into contact with the activated binding agent as it is in the state described above, and with the methods described above. An applicable activation of the binding agent is to use the electric charge of the preformed image, for which compatible activation properties of the binding agent are required, forming as such a binding surface to the material, or the binding surface is formed by means of additional treatment like physical or chemical treatment or exposure to radiation. Physical treatments include among others heating. Chemical treatments include e.g. active gas treatment, and radiation exposure e.g. light exposure.
A special area of application of the invention is the image printing, where the measures in accordance with the basic idea of the present invention are used for providing a printing plate for use in the actual image printing. The printing plates thus produced can be printing plates to be used especially in the offset printing, flexographic printing and gravure printing.
For manufacturing an offset printing plate, a positive image to be printed is recorded by ink-jet technology onto a hydrophilic plate using hydrophobic ink or ink which can be treated to expose a surface with hydrophobic behavior. The plate made in this way can then be used as usual for making an offset image by using hydrophobic printing inks.
For flexographic printing the printing plate can also be advantageously made by using the ink-jet technology, wherein a positive image is formed onto a printing plate by means of a glue having suitable adhesive and hardening properties. The image can be made first with an over-dimensioned contour as a raw image by means of a glue forming the frame of the printed image. The final image is then printed onto this raw image as a fine printing with a more fine grained binding agent. The image surface printed with the fine grained binding agent is then coated with a material including a metallic component, like fine grained copper powder. The metallic agent bonding to the fine printed image surface forms a usable printing surface of the printing plate.
Also a printing plate to be used in the gravure printing can be made by following the measures in accordance with the invention, mainly following the making of the printing plate of the flexographic printing as described above, whereby the portion of the printing plate to be coated shows the negative image of the image to be printed.

Claims

Claims
1. A method of providing an image on a substrate, the image in said method being formed by transferring the image forming agents image-wise onto the substrate, characterized in that the image is formed by applying a binding agent image- wise onto the substrate, and bringing the image-wise binding agent on the substrate into contact with a color pigment.
2. A method in accordance with Claim 1, characterized in that the binding agent image is formed onto the substrate by means of an ink-jet printing technology
3. A method in accordance with Claim 1, characterized in that the binding agent image is formed onto the substrate by means of a letterpress printing method.
4. A method in accordance with Claim 1, characterized in that the binding agent image is formed onto the substrate by means of a lithographic printing method.
5. A method in accordance with Claim 1, characterized in that the binding agent image is formed onto the substrate by means of a gravure printing method.
6. A method in accordance with Claim 1 , characterized in that the binding agent image is formed onto the substrate by means of a xerographic method.
7. A method in accordance with any of the Claims 1 to 5, characterized in that the binding agent is used in liquid state.
8. A method in accordance with any of the Claims 1 to 6, characterized in that the binding agent is used in gel state.
9. A method in accordance with Claim 6, characterized in that the binding agent is used as powder.
10. A method in accordance with any of the preceding Claims, characterized in that the color pigment is used as powder.
11. A method in accordance with any of the Claims 1 to 9, characterized in that the color pigment is used as paste.
12. A method in accordance with any of the Claims 1 to 9, characterized in that the color pigment is used as gel.
13. A method in accordance with any of the Claims 1 to 9, characterized in that the color pigment is used as liquid.
14. A method in accordance with any of the preceding Claims, characterized in that an electric conductive agent is used as a color pigment.
PCT/FI2006/050526 2005-11-28 2006-11-28 Producing an image on a substrate WO2007060298A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20051213 2005-11-28
FI20051213A FI20051213A (en) 2005-11-28 2005-11-28 Method of providing an image of a carrier

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