EP2992142B1 - Verfahren zur herstellung einer bedruckbaren ein- oder mehrschichtigen materialbahn sowie eine zugehörige anlage zur herstellung einer derartigen materialbahn - Google Patents

Verfahren zur herstellung einer bedruckbaren ein- oder mehrschichtigen materialbahn sowie eine zugehörige anlage zur herstellung einer derartigen materialbahn Download PDF

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Publication number
EP2992142B1
EP2992142B1 EP14722551.0A EP14722551A EP2992142B1 EP 2992142 B1 EP2992142 B1 EP 2992142B1 EP 14722551 A EP14722551 A EP 14722551A EP 2992142 B1 EP2992142 B1 EP 2992142B1
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EP
European Patent Office
Prior art keywords
material web
doctor blade
primer
web
plane
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP14722551.0A
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German (de)
English (en)
French (fr)
Other versions
EP2992142A1 (de
Inventor
Steffen RIETH
Martin Kosina
Kai HUMMEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schattdecor AG
Original Assignee
Schattdecor AG
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 Schattdecor AG filed Critical Schattdecor AG
Priority to PL14722551T priority Critical patent/PL2992142T3/pl
Priority to SI201430318T priority patent/SI2992142T1/sl
Publication of EP2992142A1 publication Critical patent/EP2992142A1/de
Application granted granted Critical
Publication of EP2992142B1 publication Critical patent/EP2992142B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/20—Apparatus therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
    • D21H23/34—Knife or blade type coaters
    • D21H23/36—Knife or blade forming part of the fluid reservoir, e.g. puddle-type trailing blade or short-dwell coaters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
    • D21H23/40—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper only one side of the paper being in contact with the material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/10—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with blades
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
    • 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
    • B41M1/26—Printing on other surfaces than ordinary paper
    • 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
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
    • 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
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper

Definitions

  • the invention relates to a method for producing a printable single-layer or multilayer material web according to the preamble of claim 1 and to an associated coating and / or printing system for producing a printable or printed single-layer or multilayer material web according to claim 12.
  • the print quality depends on different factors. In addition to the quality of the printing material used, for example the paper web used, the quality depends above all on the surface structure of the printing rolls.
  • Such, often imitated with wood imitation decorative films are used for the production of printed or printable components of various kinds, namely in particular for the production of furniture applications, but also for the production of floor, ceiling and / or wall applications.
  • furniture applications using wood decors are known.
  • Corresponding decorative papers printed with wood imitations and / or pre-impregnated decorative papers are glued to corresponding carrier plates, which may consist, for example, of a medium-density or high-density fiberboard, in particular wood fiber board. Since such panels provided with decorative papers or pre-impregnated decorative paper, for example in the form of furniture application or laminate floors, must withstand high stresses, a laminate floor as the uppermost layer must have an additional protective layer, i. comprise a corresponding plastic layer, which is also referred to as an overlay layer.
  • the mentioned webs to be printed may be not only one but also multi-layered, with the lowermost layer being e.g. consist of a decorative paper web and the layers of other materials located thereon and may also include intermediate adhesive layers.
  • the uppermost layer may consist of plastic.
  • a generic method for painting a moving material web is from the DE 26 37 840 A1 known.
  • the method is oriented so that both sides of the moving material web, preferably in the form of a paper web, can be coated.
  • a doctor blade is used to strip off the resulting excess of the applied agent to determine the thickness of the liquid material layer to be applied.
  • the doctor blade is aligned in a specific alignment angle with respect to the planes of the material web.
  • the printed decor paper can then be doctored. This is usually done and preferred in that the printed decorative paper web is passed through a corresponding tub of resin and then dried under the action of heat.
  • the thus-treated resin-impregnated printed paper sheet may then be applied to wood panels by heating, and therefore, a heat-reactable resin such as aminoplast, melamine resin or the like is preferably proposed.
  • the ink composition used can be applied by different methods on the decorative paper web. It is mentioned that the ink receiving composition can be applied, for example, separately or together with a barrier liquid by rolling, spraying, knife coating, blade coating, air brushing, cast coating, film pressing, linen pressing, curtain coating and / or slot die application.
  • doctor blades for paper, board, finishing or tissue machines is also for example from the WO 2008/037850 A1 to be known as known.
  • doctor blade which has a specific structure in order to be used as long as possible.
  • the doctor blade described in this prior publication is arranged so that the free leading end of the doctor blade on a Surface of a roll or a cylinder rests.
  • WO 2008/037850 A1 described doctor blades can be used differently.
  • the doctor blades described can be used, for example, as doctor blades. In this case, the squeegee is directed against the direction of rotation of the roller.
  • the doctor blade described in the document can also be used as a coating blade. In this case, the squeegee is directed in the direction of rotation of the roller.
  • the present invention assumes that the material web to be printed is to be provided with a primer layer prior to printing.
  • a certain pretreatment has to be carried out for a material web to be printed by applying a specific substance in a specific preselected and optimized for the specific pressure layer thickness on the later to be printed web.
  • a primer layer is initially applied with an excess amount on the printing side of the web in the context of the invention.
  • a so-called doctor blade is used, which is also referred to below as Bladerakel.
  • This Bladerakel can be adjusted in their distance and preferably in their orientation relative to the passing material web, that the flowable or viscous material of the primer to be used runs on this doctor blade and adhesive only happen in the desired preset thickness on the doctor blade on the web to be printed can. The excess material is thus stripped and collected.
  • the Bladerakel and especially its tip for example between two spaced rollers (ie generally between two spaced investment lines, between which the material web is guided) is arranged so that the tip of the doctor blade lifts off from the coated material web in the form of a hydrodynamic high-pressure zone which builds up between the doctor blade and the material web.
  • a hydrodynamic high-pressure zone which builds up between the doctor blade and the material web.
  • the doctor blade and thus its doctor tip do not interact there with the surface of the material web 1, in which the material web rests on the roller drum of a roller.
  • the doctor blade is arranged so that its tip is spaced from the possible deflection rollers, that is outside of the so-called Umschlingungs Kunststoffes on a roller on which the material web rests on the surface of a rotating roller.
  • a primer material is used which still has properties defined in the context of the invention with respect to the solids content and with respect to the flow time.
  • FIG. 1 and 2 schematically shows how a material web 1 to be printed can be coated with a flowable, ie at least viscous material.
  • the material web 1 may be a film-like material web 1 in a predetermined width.
  • the width is matched to the use of conventional printing cylinder of a printing system, not shown in the drawings. This can be, for example, a gravure printing method, an ink-jet printing method, or another common printing method.
  • the section of the system shown in the drawings may be part of an entire printing system, since the method according to the invention is preferably carried out in a so-called on-line method, so the material to be printed web continuously and continuously coated first and then printed accordingly.
  • the material web may be printed initially to be pretreated accordingly in the context of the invention and then wound, for example, on a winding station in order to be later printed in a second separate, temporally and possibly also locally separate step.
  • the material web mentioned can be, for example, a prepreg paper web, namely preimpregnated decorative paper 1 '. It is also possible if appropriate to use a plastic film or plastic film web 1 ", which may be single-layer or multi-layered material webs, for example the layer of decorative paper 1 'closer to the printing side 1a or of a plastic film 1 "and the other layers may consist of or include comparable or different materials.
  • a multilayer decorative paper web can also comprise plastic film layers and conversely a plastic film on the side facing away from the pressure, at least one paper layer.
  • adhesion promoters or adhesive layers may also be provided between the individual layers. There are no restrictions in this respect.
  • pre-impregnated paper layer namely a so-called pre-impregnated decorative paper.
  • decor papers should be understood to mean all prepregs, film papers, thin films in a wide variety of colors, etc.
  • the material web 1 in particular in the form of decorative paper 1 'be impregnated with a variety of resin solutions, such as malamine resins and urea resins in a variety of compositions, Kunststoffacrylattagenen (eg Acronal, Acrodur in admixture with various chemical aids), glued papers using starch sizing, AKD Gluing or sizing agents in combination with acrylates etc.
  • resin solutions such as malamine resins and urea resins in a variety of compositions, Kunststoffacrylatucunane (eg Acronal, Acrodur in admixture with various chemical aids), glued papers using starch sizing, AKD Gluing or sizing agents in combination with acrylates etc.
  • the preferred application rate of the abovementioned possibilities can be, for example, between 10% and 50% based on the basis weight of the material web 1, in particular the decorative paper web 1 ', the surface dimensions of this material web 1 and in particular the decorative paper web 1' usually between 30 g / m 2 and 100 g / m 2 usually lie or lie.
  • Such a material web is moved by means of a suitable drive means using one or more driven rollers and rollers through the plant, which are usually so-called train, support and / or guide rollers are used, which are set accordingly in rotation, that is actively driven become.
  • a suitable drive means using one or more driven rollers and rollers through the plant, which are usually so-called train, support and / or guide rollers are used, which are set accordingly in rotation, that is actively driven become.
  • idler rolls may also be provided, over which the material web 1 is guided past a given angle of wrap in accordance with the path of travel, thereby causing the appropriately non-driven rolls to rotate.
  • FIG. 1 is further provided in the system an application roller 2 and a tension roller 3, wherein between these two rollers 2 and 3 of the scraper 4 provided in the context of the invention, ie the so-called doctor scraper or the so-called Bladerakel 4 'is positioned.
  • This scraper 4 for example in the form of Bladerakel 4 'is located immediately in the withdrawal direction A of the web 1 before the tension or drive roller 3, ie before the web 1, the peripheral wall 3a of the tension roller 3 touches, outside of the so-called Umschlingungs Kunststoffes on this drive roller.
  • the application roller 2 is arranged over a primer pan 5 which is filled with the primer material 6 to be used.
  • This primer tray 5 is thus located directly below the material web 1 in the withdrawal direction A in front of the doctor blade assembly.
  • both tensile and application modules are provided with additional guide or support rollers.
  • the mentioned scraper 4 is attached to an adjusting mechanism 7, by means of which a position and / or position adjustment of the scraper 4 and thus, above all, a corresponding adjustment of the doctor blade 44 with respect to the material web 1 can be made.
  • This angle ⁇ should preferably be between 25 ° and 75 °, these values are also partly dependent from the primer material used, which will be discussed in detail below.
  • the smallest angle 1 ⁇ between the plane of Bladerakels 7 'and the plane of the web 1 be greater than 30 °, in particular greater than 35 °, 40 °, 45 °, 50 °, 55 ° or 60 ° should.
  • the angle ⁇ should generally be less than 70 °, 65 °, 60 °, 55 °, 50 °, 45 ° or 40 °. In other words, optimum angle ranges are between 35 ° and 55 °, in particular between 40 ° and 50 °, especially around 45 °.
  • a hydrodynamic high pressure zone 8 (FIG. FIG. 2 ) is formed in the angular region between Bladerakel 4 'and the material web 1.
  • a specific stable hydrodynamic surface overpressure of the primer material ie of the liquid, flowable or at least viscous primer material, which also depends on the primer material builds up, whereby this primer material is applied uniformly over the entire surface 1a of the material web 1. It is a similar effect to what is known as aquaplaning.
  • Bladerakel Einstellwinkels ⁇ relative to the surface of the material web 1 in the form of pre-impregnated paper web 1 'or the plastic film web 1 "in conjunction with appropriately selected parameters with respect to the speed of the web feed, the material tension, the amount of primer used ultimately leads to a self-cleaning with respect to Bladerakel used 4 '.
  • How the corresponding parameters with regard to feed rate of the material web, structure of the necessary web tension and Bahnan horrs can be adjusted, is well known by correspondingly known systems. It is referred in this respect to such known systems.
  • FIG. 1 It can also be seen that the film web is supported between two rollers, here between a contact line (parallel to the axis of rotation) on the applicator roll 2 and on the draw roller 3.
  • the Bladerakel 4 'and thus the blade Bladerakel 4' is doing so arranged that the material web 1 here between the investment line on the roller 2 and the roller 3 is slightly angled, as is apparent from FIG. 1 can be seen.
  • a corresponding pressure on the Bladerakel indirectly exerted on the web, since between the leading blade 44 and the web 1 still passes through the corresponding primer layer in appropriate thickness.
  • the entire arrangement is such that the application roller 2 removes the corresponding primer material during the rotational movement of the tub 5 and applied to the pressure side 1a of the web 1, wherein this job takes place on the underside of the web 1, which is at least approximately horizontal in this area is moved between the rollers 2 and 3, so with at least predominantly horizontally oriented component of motion, so that the run on the Bladerakel 4 'and partially stripped excess primer material of gravity proceeding downwards and collected by a pan collection section 55 and into the tub 5 can be returned.
  • the described improved printing results have been achieved, for example, when a Bladerakel 4 has been used, for example, made of stainless steel, plastic or other materials also coated and is designed plate or strip-shaped.
  • the plate-shaped or strip-shaped Bladerakel consisting of stainless steel extends perpendicular to the feed movement A of the material web, ie parallel to the respective axis of rotation of the rollers.
  • the doctor blade thicknesses ie the thickness of Bladerakeln transverse to their Longitudinal extent can vary within wide ranges, for example between 0.1 mm to 15 mm. Preferred values are above 0.2 mm, 0.3 mm or 0.4 mm or 0.5 mm. Likewise, preferred values should be less than 15 mm, for example less than 12.5 mm, 10 mm, 7.5 mm or 5 mm. Corresponding values can also be present for the phase width D at the doctor blade ( FIG. 2 ).
  • typical line speeds with which such decorative paper or decorative film should be coated with the mentioned primer discussed below can be between 100 m / min to 350 m / min.
  • optimum values can also be achieved in intermediate areas, ie even at line speeds greater than 100 m / min, namely, for example, 110 m / min, 120 m / min, 130 m / min, 140 m / min, 150 m / min , 160 m / min, 170 m / min, 180 m / min, 190 m / min, 200 m / min, 210 m / min, 220 m / min, 230 m / min, 240 m / min, 250 m / min ,
  • the line speeds are preferably not above 350 m / min, for many applications below this value, namely below 340 m / min, 330 m / min, 320 m / min, 310
  • the primer solution which is to be used preferably as a layer to be applied.
  • the primer material is a water-based synthetic resin or acrylate resin dispersion. In other words, the primer material is not a varnish. Rather, a paint-free primer material is used.
  • the primer material should be selected such that it has, for example, a viscosity (kinematic at 20 ° C.) of between 10 seconds and 30 seconds according to DIN standard 53211/4. In other words, therefore, the flow time of the primer material (primer solution) from the DIN measuring cup 10 seconds to about 30 sec ..
  • the primer material should have pH values which lie between 5 and 9, preferably between 6.5 and 8, in particular around 7.5.
  • the primer material has a solids content of 20% or more, in particular of at least 25%, 30%, 35%, 40%, 45% or at least 50%.
  • good and sufficient values are obtained even if the solids content is less than or equal to 70%, 65%, 60%, 55%, 50% or less than 45%.
  • a value of 45% to 55% is optimal in many cases.
  • the primer material used is miscible with water or soluble in water.
  • a preferred primer material should be completely miscible with water or be soluble in water.
  • the primer material should have a low solvent content of less than 3%, in particular less than 2%, 1% or even 0.5%.
  • the primer material has a flash point above 100 ° C, there are usually no problems if the material should be subjected to a heat treatment before printing.
  • a primer material it is possible to optimally print a printable material web 1, in particular a printable prepreg paper layer or a so-called prepreg decorative paper, which can achieve much better print results, especially in a gravure printing process (including an ink jet Method or other printing methods can be considered in principle).
  • the material web 1 prepregged above all on the printing side 1a has been coated in particular in the form of a pre-impregnated paper web 1 'with the mentioned primer, then after the primer has passed through at least a sufficient drying or drying phase, the corresponding pretreated material web 1 can be printed ,
  • Water-based gravure printing inks having a solids content of from 5% to 35%, in particular from 10% to 30%, or from 15% to 25% are preferably used in the subsequent printing mentioned.
  • the preferred water-based gravure inks should, for example, have a pH of between 7 and 9, in particular a value of 7.5 to 8.5. Particularly good results can be achieved if the printing inks have a flow rate of 13 seconds to 30 seconds, corresponding to the DIN standard 53211/4 already described with regard to the primer material. Preferred values are, for example, between 18 sec. To 25 sec.
  • the inks may further contain binders.
  • the binder of the individual primary colors preferably consists of casein.
  • the printing inks may be added a blend of the binder casein or other binders customary in color production.
  • the paper and / or film web to be printed can, above all, also be smoothed. It is in so far as an unevenness in the decor paper web smoothing layer, which is applied.
  • the material used is also a kind of adhesion promoter which serves as a bonding agent for the printing ink to be applied. As a result, the significantly improved print results can be achieved.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)
  • Printing Methods (AREA)
EP14722551.0A 2013-05-03 2014-04-24 Verfahren zur herstellung einer bedruckbaren ein- oder mehrschichtigen materialbahn sowie eine zugehörige anlage zur herstellung einer derartigen materialbahn Active EP2992142B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL14722551T PL2992142T3 (pl) 2013-05-03 2014-04-24 Sposób wytwarzania zadrukowywalnej jedno- lub wielowarstwowej wstęgi materiału oraz odpowiednia instalacja do wytwarzania takiej wstęgi materiału
SI201430318T SI2992142T1 (sl) 2013-05-03 2014-04-24 Postopek za izdelavo eno- ali večplastnega materialnega traku, ki se ga da potiskati, kot tudi pripadajoče postrojenje za izdelavo tovrstnega materialnega traku

Applications Claiming Priority (2)

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DE102013007602.1A DE102013007602A1 (de) 2013-05-03 2013-05-03 Verfahren zur Herstellung einer bedruckbaren ein- oder mehrschichtigen Materialbahn sowie eine danach hergestellte Materialbahn und eine zugehörige Anlage zur Herstellung einer derartigen Materialbahn
PCT/EP2014/001100 WO2014177258A1 (de) 2013-05-03 2014-04-24 Verfahren zur herstellung einer bedruckbaren ein- oder mehrschichtigen materialbahn sowie eine danach hergestellte materialbahn und eine zugehörige anlage zur herstellung einer derartigen materialbahn

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CN109868682A (zh) * 2019-01-15 2019-06-11 上海馨星环保科技有限公司 一种制备聚乳酸膜的工艺及其上胶装置
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CN112619999B (zh) * 2020-12-04 2022-11-25 安徽富印新材料股份有限公司 涂胶装置及胶带涂布机

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EP2992142A1 (de) 2016-03-09
CN105189867B (zh) 2018-07-13
PL2992142T3 (pl) 2017-10-31
CA2908175A1 (en) 2014-11-06
RU2015146996A (ru) 2017-06-08
CN105189867A (zh) 2015-12-23
RU2661211C2 (ru) 2018-07-13
HUE033174T2 (en) 2017-11-28
SI2992142T1 (sl) 2017-09-29
ES2637814T3 (es) 2017-10-17
DE102013007602A1 (de) 2014-11-06
PT2992142T (pt) 2017-08-28
DK2992142T3 (en) 2017-08-21
JP2016522741A (ja) 2016-08-04
BR112015026150A2 (pt) 2017-07-25
LT2992142T (lt) 2017-09-11
WO2014177258A1 (de) 2014-11-06
US20160069028A1 (en) 2016-03-10
BR112015026150B1 (pt) 2022-02-22

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