WO2009097986A1 - Couche de papier destinée à la fabrication d’un élément plat, imprimé ou imprimable - Google Patents

Couche de papier destinée à la fabrication d’un élément plat, imprimé ou imprimable Download PDF

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Publication number
WO2009097986A1
WO2009097986A1 PCT/EP2009/000488 EP2009000488W WO2009097986A1 WO 2009097986 A1 WO2009097986 A1 WO 2009097986A1 EP 2009000488 W EP2009000488 W EP 2009000488W WO 2009097986 A1 WO2009097986 A1 WO 2009097986A1
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WO
WIPO (PCT)
Prior art keywords
paper layer
paper
fiber structure
component
printed
Prior art date
Application number
PCT/EP2009/000488
Other languages
German (de)
English (en)
Inventor
Udo Tünte
Frank Petersen
Original Assignee
Hülsta-Werke Hüls Gmbh & Co. Kg
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40512477&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009097986(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hülsta-Werke Hüls Gmbh & Co. Kg filed Critical Hülsta-Werke Hüls Gmbh & Co. Kg
Priority to PL09707694T priority Critical patent/PL2274485T5/pl
Priority to EP09707694.7A priority patent/EP2274485B2/fr
Priority to ES09707694T priority patent/ES2404075T5/es
Publication of WO2009097986A1 publication Critical patent/WO2009097986A1/fr

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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
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets 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
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • 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
    • D21H19/72—Coated paper characterised by the paper substrate
    • D21H19/76—Coated paper characterised by the paper substrate the substrate having specific absorbent properties
    • 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
    • D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
    • 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
    • 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

Definitions

  • the invention relates to a paper layer for producing a flat, printed or printable component, in particular for floor, wall, Dekkk and / or furniture applications, wherein the paper layer before or after the printing process for application to a flat body of the component is provided under pressure and / or heat influence, wherein the paper layer has a fiber-containing fiber structure and wherein intermediate spaces are provided between the fibers.
  • the present invention relates to a flat, printed or printable component with a paper layer of the aforementioned type and a method for producing such a component.
  • Paper layers for the production of flat, printed or printable components for floor, wall, ceiling or furniture applications are known in practice.
  • a color receiving layer is applied to the fiber structure of the actual paper layer.
  • Investigations conducted by the Applicant have revealed that the particles of the ink-receiving layer averaged a few micrometers.
  • the ink-receiving layer which has as main constituents silicon dioxide and titanium dioxide, is applied over the entire surface of the top of the paper structure and rests on it, completely covering and hiding the paper structure.
  • the ink-receiving layer superficially engages the fiber structure, it is disposed substantially over the fiber structure and covers and covers the fibers and interstices between the fibers.
  • a substantially closed uniform surface results, which leads to a very good printing result.
  • the paper web known from EP 1 749 676 A1 has an upper side, essentially resin-free, region which makes up about 50% of the thickness of the paper web.
  • EP 1 749 676 A1 it has been found in experiments that when pressing the underside-resinated paper web with a component arranged on the underside and a protective layer provided on the top, although a sufficient connection of the paper web results to the component, but not from the protective layer to the paper web.
  • the object of the present invention is to provide a paper layer of the type mentioned above, in which, on the one hand, a very good printing result is possible and, on the other hand, a good connection to the main body of a component and optionally to an upper-side protective layer is ensured.
  • a color receiving mass is provided which at least substantially encases the upper-side region of the fibers and that at the top of the paper layer remain open spaces of the sheathed fiber structure, so are not covered by the ink receptive mass.
  • an ink receptive mass is provided at least on the upper side in the fiber structure, wherein the ink receptive mass has an average particle size of less than 1000 nm.
  • the fibers of the fiber structure on the upper side are only partially covered with an ink receptive mass which can be embedded in and / or applied to the fiber structure in such a way that open spaces of the fiber structure remain at the upper side of the paper layer.
  • the aforementioned alternatives according to the invention have been rejected by the applicant first, because it was feared that the paper layer with the embedded or applied ink composition, in the final despite the ink receptive mass nor the structure caused by the cellulose fibers is recognizable, not a sufficient printing result achieve.
  • the invention results in no closed, substantially flat pressure surface as in the prior art.
  • the achievable in the paper according to the invention printing result is not or only slightly different from the printed result, which is achieved in the known paper mentioned above.
  • the invention offers the possibility that the paper layer can be printed with the ink-receiving material both before and after application to the main body of a component.
  • the paper it is possible to first print the paper and store it after printing, for example on rolls or sheets. Subsequently, the printed paper layer can be pressed with the main body of the component under pressure and heat influence, the resin first melts and then cured immediately.
  • the particles of the ink receiving mass should be one average diameter between 50 nm and 400 nm, preferably between 100 nm to 300 nm and in particular between 150 nm and 250 nm. Very good tests have been achieved with particle sizes in the range of about 200 nm in diameter.
  • a plurality of interspaces with a length of greater than 20 ⁇ m, preferably greater than 30 ⁇ m and in particular greater than 40 ⁇ m, should be provided on the upper side of the paper layer between the fibers encased or coated with the color absorption compound. It is understood that spaces with a length significantly greater than 40 microns can be provided. Furthermore, the spaces should have an opening area of greater than 250 nm 2 , preferably greater than 500 ⁇ m 2 and in particular greater than 750 ⁇ m 2 . Again, it is understood that significantly larger ⁇ ffhungs vom can be provided as 750 microns 2 . For spaces of the above dimensions, there is excellent regardless of whether the Behar- tion from above or from below is carried out.
  • the aforementioned dimensions of the interstices are not only provided "sporadically”, but if they are located on the entire upper side of the paper layer. It has been found that on the upper side per unit area [nm 2 ] on average at least one intermediate space, preferably more than three and in particular more than ten intermediate spaces of the aforementioned type should be provided.
  • the basis weight of the ink-receiving composition should preferably be between 0.5 g / m 2 and 20 g / m 2 .
  • a significantly lower proportion of colorant composition is used than in the prior art. This has a considerable effect on the acquisition costs of the paper layer.
  • the cost of the paper according to the invention by a factor of 3 less than in the initially mentioned, known from practice paper.
  • the ink composition in any case also titanium dioxide, barium sulfate and silicates, in particular as main components.
  • the paint-receiving composition is basic. It has been found that the resin to be applied is generally basic, that is, has a pH greater than 7. Furthermore, it has been found that the resin solidifies more readily in an acidic environment than in a basic environment. In order to ensure a good through-cure, the ink composition and, where appropriate, also the paper of the fiber structure should be basic.
  • the paper or fibrous structure should be a decorative paper which has a weight per unit area without a proportion of resin but with a color.
  • Aufmahmemasse between 30 g / m 2 and 300 g / m 2 , preferably between 50 g / m 2 and 120 g / m 2 and in particular of about 70 g / m 2 should have.
  • the paper layer according to the invention with the incorporated in the fiber structure Farbaufhahmemasse can basically be unbeh GmbH before printing and be contacted only after printing.
  • the paper layer it is also possible for the paper layer to be so defined from the underside before printing that the upper region of the fiber structure with little or no resin content preferably extends over a maximum of 30% of the thickness of the fiber structure.
  • the upper paper layer area extends over only a maximum of 20% of the thickness of the paper layer, and more preferably over at most 10% of the thickness of the paper layer, each individual value between 0.1% of the thickness of the paper layer and 30% of the thickness of the paper layer possible and expressly is provided essential to the invention.
  • the above-mentioned values of the thickness of the upper paper layer portion refer to the not yet pressed state of the paper layer, that is, when the paper layer is not yet applied to the main body of the component under pressure and / or heat influence.
  • a printed component at least if it is used in the floor area, a upper protective layer, which is also resined, applied under pressure and heat influence.
  • a substantially resin-free layer region remains between the resin of the protective layer and the resin of the paper layer. Since the resin of the protective layer does not or not adequately bind to that of the paper layer, this can lead to detachment of the protective layer, as already explained at the outset.
  • it has been recognized that sufficient bonding of the resin of the paper layer to the protective layer can be ensured by the comparatively large interstices between the fibers.
  • the amount of the resin portion fed to the underside is controlled in terms of process technology as a function of the porosity and thus the absorbency of the paper layer and the viscosity of the resin. If the resination is carried out, for example, by means of a roller which passes through a dipping bath, with the paper layer being guided over the underside by a roller, the immersion depth of the roller, the surface quality of the roller, the diameter of the roller, the play as further process parameters Contact pressure between the paper layer and the roller and the transport speed of the paper layer a role. It is understood that the resin can be applied to the paper layer in other ways, for example by nozzle application.
  • the paper layer In order to achieve a defined layer thickness of the upper layer of paper layer, it is moreover advisable for the paper layer to be impregnated with a barrier liquid which does not mix with the resin, such that a preferably over 30% of the thickness of the paper layer is impregnated. layer resulting barrier layer for the resin.
  • the application of the barrier liquid can be done in the same way as the application of the resin or in principle in other ways. After the paper layer has hardened, the barrier liquid is vaporized. The space originally occupied by the barrier liquid then forms the upper paper layer area. However, it goes without saying that in principle it is also possible to Add liquid such that ultimately no defined barrier layer is generated.
  • the barrier liquid it is preferable for the barrier liquid to contain the ink-receiving composition according to the invention, which deposits in the upper paper layer region after evaporation, so that subsequently the sheathing or coating of the fibers results.
  • the ink composition is applied in conjunction or following the impregnation with barrier liquid.
  • the ink receiving mass can be applied separately or together with the barrier liquid by rolling, spraying, knife coating, blade coating, air brushing, Gußstrich- method, film presses, presses, curtain curtain and / or by slot nozzle application.
  • the resination can be carried out with only one resin or, if appropriate, in several resination steps, also with different resins in order to achieve certain properties of the paper layer.
  • the paper layer can be dried and then the ink composition applied. This can be followed by drying again.
  • a so-called wet / wet treatment is carried out. In this case, the color receiving material is applied before the resin is completely dried, that is still in a liquid or gelled or gelled state. Subsequently, the common drying of the resinated and provided with the ink receptive paper layer takes place.
  • the weight per unit area of the resin fraction in the paper according to the invention should be between 5 g / m 2 and 300 g / m 2 , preferably between 20 g / m 2 and 100 g / m 2 In order to ensure a good connection between the paper layer and the main body of the component and optionally the protective layer to be provided.
  • the resin itself is preferably a reactivatable resin, in particular an aminoplast, such as a melamine resin or a urea resin.
  • Resin Preference is given to resins from the group of diallyl phthalates, epoxy resins, urea-formaldehyde resins, uric acid-acetyl ester copolyesters, melamine-formaldehyde resins, melamine-phenol-formaldehyde resins, phenol-formaldehyde resins, poly (meth) acrylates or unsaturated polyester resins.
  • the paper layer is heated or heated before, during and / or after the application of the ink layer.
  • appropriate heating means may be provided which heat the paper layer or the ink receiving mass. This can be done for example via appropriate blower.
  • infrared, in particular NIR heating devices and / or microwave heating devices can be provided, which act directly on the water content in the ink layer. The heating or heating can be effected before, during and / or after printing, as stated above.
  • one or more heaters may be provided, wherein the heating section not only be provided selectively, but may extend over a larger area, for example between 0 and 5 m and in particular between 0 and 2 m before and / or after the respective pressure point.
  • a surface pre-heating and after-heating over heated surfaces, over which the paper is guided before and after printing has proven.
  • the temperature of these surfaces in the preheating and / or reheating between 30 0 C and 40 0 C, preferably at about 35 ° C.
  • the aforementioned heating or heating also has independent inventive significance, that is to say independent of the paper layer according to the invention.
  • the paper layer After drying, the paper layer is either cut on sheets or rolled up as a continuous web. In principle, it is also possible in the method according to the invention that the printing takes place before cutting / rolling.
  • the present invention relates to a printed or printable, sheet-like component, in particular for floor, wall, ceiling and / or furniture applications, with a flat body and with an applied to the body printable or printed paper layer according to one of previous claims.
  • the paper layer according to the invention is principally printed prior to further processing and only subsequently applied to the main body of the component.
  • the paper according to the invention is therefore not limited to a particular type of production.
  • the base body has been directly coated with the paper layer in Kurztaktpreß-.
  • the resinated paper layer cures directly on the base plate of a corresponding press under pressure and heat melting.
  • Essential in the Kurztaktpreß compiler is first that the base body as the support plate, the compression pressure, which is usually between 200 and 650 N / cm 2 , may not or only slightly yield.
  • the main bodies and the layers of paper to be applied must not touch the hot press plates during insertion and removal.
  • the temperature during the compression is usually between 80 0 C to 250 ° C, preferably between 140 0 C and 200 0 C. The respective temperature during pressing depending on the reactivation temperature of the resin.
  • the critical storage time that is to say the time from the first contact of the resinous paper layer with the press plate until the necessary pressing pressure has been reached.
  • the critical lay time should be extremely short.
  • solvent-containing ink and / or water-containing ink are preferably used.
  • UV-based color systems can also be used.
  • these have the disadvantage of odor development.
  • problems may arise during pressing.
  • the present invention relates to a method for producing a printed or printable sheet-like component of the aforementioned type, wherein the method features of the aforementioned embodiments are readily apparent.
  • range indications and intervals include all individual values and intermediate intervals within the ranges and intervals also in the decimal range and are considered essential to the invention, without any explicit mention of individual values or Intermediate intervals or intermediate range indications are required.
  • FIG. 1 is a schematic cross-sectional view of an inventive
  • FIG. 3 shows a schematic cross-sectional view of a flat component, on whose base body the paper layer is applied
  • FIG. 5 is a view corresponding to FIG. 4 of the upper side of a known paper layer on the same scale as FIG. 4, FIG.
  • FIG. 6 is a view corresponding to FIG. 4 of the upper side of the paper layer according to the invention in a further enlarged scale, FIG.
  • FIG. 7 is a view corresponding to FIG. 4 of the upper side of the known paper layer on the same scale as the representation according to FIG. 6, FIG.
  • FIG. 8 is a view corresponding to FIG. 4 of the paper layer according to the invention in a further enlarged scale, FIG.
  • FIG. 9 is a view corresponding to FIG. 4 of the upper side of the known paper layer on the same scale as the representation according to FIG. 8, FIG.
  • a paper layer 1 is shown schematically.
  • the paper layer 1 consists of a conventional absorbent or liquid-receptive paper material, in this case of decorative paper.
  • the decorative paper has a fiber structure which can be seen in FIGS. 4, 6 and 8 and which is constructed from a multiplicity of fibers, in the present case cellulose fibers.
  • the paper layer 1 may be part of a roll or a sheet.
  • the paper layer 1 has an upper side 2 for subsequent printing and a lower side 3, which is provided for placement on the base body 4 of a component 5.
  • the component 5 can be any flat, printed or printable element which can be used in the area of floor, wall, ceiling and / or furniture.
  • the component 5 is a plate or a panel.
  • FIGS. 4, 6 and 8 only show a view of the upper side of the paper layer 1, it is clear from these illustrations that the paper layer 1 has a multiplicity of fibers 6 which ultimately form a three-dimensional fiber structure 7. Between the individual fibers 6 there are gaps 7.
  • a color receiving mass 9 is provided on the upper side in the fiber structure 7, which ultimately forms a in the fiber structure 7 at least substantially upper side embedded color-receiving layer.
  • the ink-receiving mass 9 is not or only slightly over the fiber structure 7 upwards over. Since the ink-receiving mass 9 is very fine-grained, namely particles with an average diameter in the nano range, the Farbaufhahmemasse 9 sheathed the fibers 6 of the upper portion of the fiber structure 7. Due to the fine granularity of the particles of the ink receiving mass 9 remain at the top of the sheathed fiber structure. 7 , which also forms the top 2 of the paper layer 1, open spaces 8. This is apparent in particular from Figs. 4, 6 and 8, which also illustrate that the Farbaufhahmemasse 9 does not overlap the top of the fiber structure 7, that the Fibers 6 are no longer recognizable as such. The fibers 6 remain as at least partially uncovered.
  • Figs. 4, 6 and 8 illustrate that, in spite of the top-side ink receiving mass 9, the fiber structure 7 is at least partially still recognizable and open Gaps 8 between the fibers 6 remain.
  • This feature ultimately represents the decisive difference from the prior art, as can be seen from a comparison with FIGS. 5, 7 and 9.
  • the two aforementioned figures show that the fiber structure of the known paper layer is no longer recognizable there.
  • the top of the paper layer is formed by a coarse ink receiving layer. The diameter of these particles is on average a few micrometers.
  • the ink-receiving composition ultimately rests on the fiber structure due to the comparatively coarse particles, covering them and completely covering them to such an extent that they are no longer recognizable. As a result, there are no open spaces between the fibers open at the top.
  • the gaps between the individual particles of the ink-receiving layer shown in FIGS. 5, 7 and 9 in the known paper layer are distributed relatively uniformly and have both a short length and a small opening area. This is different from the paper layer 1 according to the invention. As can be seen from FIGS. 4, 6 and 8, the interspaces 8 between the fibers 6 of the fiber structure 7 are distributed very unevenly, have a significantly greater length and a significantly larger opening area as in the prior art. Finally, in the case of the paper layer 1 according to the invention, a multiplicity of intermediate spaces 8 with a length of greater than 40 ⁇ m and an opening area of greater than 750 ⁇ m 2 are provided. Such large gaps 8 are ultimately over the entire paper layer 1 - albeit unevenly or irregularly - distributed, wherein per unit area [mm 2 ] an average of more than 10 such spaces 8 are provided.
  • the weight per unit area of the paint-receiving composition 9 is comparatively low and in the present case is around 5 g / m 2 . Such a low weight per unit area is sufficient for the small particle size, which is about 200 nm on average, in order to cover at least the fibers 6 in the upper region of the fiber structure 7 and at the same time leave a sufficient number of gaps 8 open. It is to be noted, however, that, in deviation from the illustration according to FIG. 1, it is fundamentally also possible that the ink-absorbing mass 9 extends into the central area, the lower area or even extends to the bottom 3 of the fiber structure 7. In any case, however, it is necessary for the necessary tanking that in each level of the fiber structure 7, the above-described open spaces are present.
  • the ink receiving composition 9 itself has as main constituents titanium dioxide, barium sulfate and silicates and is otherwise basic.
  • the fiber structure 7 of the paper layer 1 is formed by a decorative paper which has a weight per unit area, as shown in FIG. 1, ie without a proportion of resin but with a colorant mass 9 of approximately 70 g / m 2 . It is understood that the decorative paper can also have a much smaller or a much larger basis weight.
  • the paper layer 1 shown in Fig. 1 is unprinted and unbeh GmbH.
  • the paper layer 1 is first printed for further processing, that is to say provided with a printing layer 10 and then doctored. This state is shown schematically in Fig. 2, wherein the paper layer 1 is fully cured throughout its thickness.
  • the resin concentration over the thickness of the paper layer 1 may in principle be the same or else vary from one side to the other or else from both sides toward the middle.
  • the resin which is preferably a melamine resin, or its viscosity, is adapted to the nature of the paper material of the paper layer 1 and also to the resinous process such that a complete through-etching of the paper layer 1 is achieved their entire thickness is guaranteed.
  • the weight per unit area of the tanker fraction in the present case is about 80 g / m 2 .
  • the paper layer 1 can also be so defined from the underside 3 before printing that the upper region of the fiber structure 7 has a predetermined thickness, preferably more than 30% of the thickness, with little or no resin content the fiber structure 1 extends.
  • the printing or ink layer 10 is in the present case by means of a not shown
  • Inkjet digital printer so applied by means of the ink jet printing process, although other printing methods, in particular the Gravure printing are possible. Both solvent-based and water-based inks can be used as printing inks.
  • FIG. 3 shows a detail of the component 5, which has the already mentioned flat basic body 4, in particular with a rectangular shape.
  • the main body 4 may be constructed in one or more layers and in particular consist of wood and / or plastic materials.
  • the component 5 may be wood-based panels, such as MDF, HDF or DKS.
  • HPL High Pressure Laminate
  • the printed paper layer 1 is applied to the upper side 11 of the main body 4 and firmly connected thereto. Furthermore, a protective layer 12 is applied to the printing layer 10.
  • the protective layer 12 can be very hard particles such as corundum incorporated. It should be pointed out that the protective layer 12 is usually realized in such components 5, which are used in the ground area. In principle, however, the protective layer 12 can also be dispensed with. This applies in particular to wall and ceiling applications as well as furniture elements.
  • FIG. 10 schematically shows the method according to the invention in a short-cycle pressing method.
  • the process begins with the known production of the paper in a paper machine, which is shown in process step A.
  • the paper layer 1 is still part of a quasi-infinite paper web.
  • step B The paper production is followed in step B by a surface treatment by smoothing the upper side 2 to equalize the surface and optionally subsequent fine roughening of the previously smoothed surface.
  • the ink-receiving composition 9 is placed on or in the top 2 or introduced.
  • the printing and thus the application of the printing layer 10 takes place in method step C.
  • the printing takes place in the inkjet printing process via inkjet digital printers.
  • the paper layer 1 may still be part of a paper web or already part of a cut from the paper web sheet.
  • the cutting on sheets can also be done later.
  • part of process step C is also the heating of the paper layer before, during and / or after the application of the color layer.
  • the paper layer 1 is preheated between 30 0 C and 40 0 C, preferably at about 35 ° C, so that the ink when printing already meets the preheated ink layer, which supports the drying.
  • heating takes place via a radiation heater at 42 ° C., which is directed onto the region of the paper layer 1 that is being printed.
  • a so-called reheat also occurs even after printing over a third heating device (for example, a heated backing sheet) is between 30 ° C and 40 0 C.
  • process step D the complete through-etching of the printed paper layer 1 takes place, so that the state according to FIG. 2 results.
  • step E the paper layer 1 is pressed with the base body 4.
  • the protective layer 12 is pressed in a corresponding pressing device.
  • the resin in the paper layer 1 and the resin in the protective layer 12 melts and immediately hardens during the pressing operation, so that on the one hand a firm connection of the paper layer 1 to the base body 4 and on the other hand a firm connection the protective layer 12 on the paper layer 1 results. Due to the hardening of the paper layer 1, moreover, during pressing, there is such a strong bond between all layer materials that unintentional detachment need not be feared.
  • FIG. 11 schematically shows an alternative embodiment of the method.
  • Process steps a and b correspond to those mentioned above Process steps A and B of papermaking and the application of the colorant composition. This is followed by the method step c, wherein the paper web is teilbehech from its underside.
  • the Operabeharzung done defined so that the upper portion of the fiber structure 7, but in any case the top of the fiber structure 7 and the color pickup 9 located there, remain at least substantially resin-free.
  • step d the paper layer 1, which is then already cut on sheets, applied to the base body 4 by pressing in the mentioned pressing device.
  • the paper layer 1 is still unprinted in this case and also has no upper-side protective layer 12.
  • the unprinted component 5 is now also printed in the method step e in the inkjet printing process. Parallel to this or immediately afterwards, the heating of the applied printing layer 10 takes place. Here, too, of course, a preheating of the paper layer 1 can be made. This is followed by the final compression of the protective layer 12 in the pressing device in method step f, in order to connect the protective layer 12 to the paper layer 1 after melting and curing of the resin in the protective layer 12.

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  • Ink Jet (AREA)

Abstract

L’invention se rapporte à une couche de papier (1) destinée à la fabrication d’un élément (5) plat, imprimé ou imprimable, notamment destiné à être utilisé pour des sols, des murs, des plafonds, et/ou des meubles, la couche de papier (1) devant être appliquée par pression et/ou thermiquement sur un corps de base plat (4) de l’élément, et ce, avant ou après le processus d’impression, la couche de papier (1) présentant une structure fibreuse (7) composée de fibres (6) et des interstices (8) séparant les fibres (6). D’une part pour permettre une imprégnation suffisante et d’autre part pour assurer un bon résultat d’impression, l’invention prévoit une masse absorbant les couleurs (9) au moins sur la partie supérieure de la structure fibreuse (7), ladite masse recouvrant au moins essentiellement les fibres (6) se trouvant dans la zone supérieure de la structure fibreuse (7) et l’invention prévoit également que les interstices (8) ouverts de la structure fibreuse (7) revêtue restent sur la partie supérieure (2) de la couche de papier (1).
PCT/EP2009/000488 2008-02-07 2009-01-27 Couche de papier destinée à la fabrication d’un élément plat, imprimé ou imprimable WO2009097986A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL09707694T PL2274485T5 (pl) 2008-02-07 2009-01-27 Warstwa papieru do wytwarzania płaskiego, zadrukowanego lub dającego się zadrukować elementu konstrukcyjnego
EP09707694.7A EP2274485B2 (fr) 2008-02-07 2009-01-27 Couche de papier destinée à la fabrication d un élément plat, imprimé ou imprimable
ES09707694T ES2404075T5 (es) 2008-02-07 2009-01-27 Cubierta de papel para la fabricación de un componente constructivo plano, impreso o imprimible

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008008292.9 2008-02-07
DE102008008292A DE102008008292A1 (de) 2008-02-07 2008-02-07 Papierschicht zum Herstellen eines flächigen, bedruckten oder bedruckbaren Bauteils

Publications (1)

Publication Number Publication Date
WO2009097986A1 true WO2009097986A1 (fr) 2009-08-13

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PCT/EP2009/000488 WO2009097986A1 (fr) 2008-02-07 2009-01-27 Couche de papier destinée à la fabrication d’un élément plat, imprimé ou imprimable

Country Status (5)

Country Link
EP (1) EP2274485B2 (fr)
DE (1) DE102008008292A1 (fr)
ES (1) ES2404075T5 (fr)
PL (1) PL2274485T5 (fr)
WO (1) WO2009097986A1 (fr)

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EP2770105A1 (fr) 2013-02-20 2014-08-27 Schoeller Technocell GmbH & Co. KG Papier de base pour matériaux de revêtement décoratifs
DE102013007602A1 (de) * 2013-05-03 2014-11-06 Schattdecor Ag Verfahren zur Herstellung einer bedruckbaren ein- oder mehrschichtigen Materialbahn sowie eine danach hergestellte Materialbahn und eine zugehörige Anlage zur Herstellung einer derartigen Materialbahn
DE102013010448A1 (de) * 2013-06-21 2014-12-24 Ed. Heckewerth Nachf. GmbH & Co. KG Verfahren zur Herstellung einer mit Bildern oder Grafikmustern bedruckten Dekorplatte
CN104559876A (zh) * 2014-12-19 2015-04-29 宜昌山山林业有限责任公司 一种防辐射、阻燃板生产之复合粘接剂，制备方法及其应用
US9605168B2 (en) 2014-01-31 2017-03-28 Ceraloc Innovation Ab Digital print with water-based ink
US9994010B2 (en) 2014-01-24 2018-06-12 Ceraloc Innovation Ab Digital print with water-based ink on panel surfaces
US10017950B2 (en) 2011-08-26 2018-07-10 Ceraloc Innovation Ab Panel coating
US10328680B2 (en) 2013-10-23 2019-06-25 Ceraloc Innovation Ab Method of forming a decorative wear resistant layer
US10369837B2 (en) 2012-04-30 2019-08-06 Valinge Innovation Ab Method for forming a decorative design on an element of a wood-based material
US11186997B2 (en) 2016-03-24 2021-11-30 Valinge Innovation Ab Method for forming a décor on a substrate

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EP4086081A1 (fr) 2021-05-07 2022-11-09 Swiss Krono TEC AG Procédé d'impression numérique
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US10017950B2 (en) 2011-08-26 2018-07-10 Ceraloc Innovation Ab Panel coating
US10369837B2 (en) 2012-04-30 2019-08-06 Valinge Innovation Ab Method for forming a decorative design on an element of a wood-based material
WO2014128030A1 (fr) 2013-02-20 2014-08-28 Schoeller Technocell Gmbh & Co. Kg Papier de base pour matériaux de revêtement décoratifs
EP2770105A1 (fr) 2013-02-20 2014-08-27 Schoeller Technocell GmbH & Co. KG Papier de base pour matériaux de revêtement décoratifs
WO2014177258A1 (fr) * 2013-05-03 2014-11-06 Schattdecor Ag Procédé amélioré de fabrication d'une bande de matière mono- ou multicouche imprimable, bande de matière fabriquée selon le procédé ainsi qu'installation associée pour la fabrication d'une telle bande de matière
CN105189867A (zh) * 2013-05-03 2015-12-23 夏特股份公司 用于制造单层或多层的能印刷的材料幅的方法、按该方法制造的材料幅和用于制造这种材料幅的相关设备
CN105189867B (zh) * 2013-05-03 2018-07-13 夏特股份公司 用于制造单层或多层的能印刷的材料幅的方法、按该方法制造的材料幅和用于制造这种材料幅的相关设备
DE102013007602A1 (de) * 2013-05-03 2014-11-06 Schattdecor Ag Verfahren zur Herstellung einer bedruckbaren ein- oder mehrschichtigen Materialbahn sowie eine danach hergestellte Materialbahn und eine zugehörige Anlage zur Herstellung einer derartigen Materialbahn
DE102013010448A1 (de) * 2013-06-21 2014-12-24 Ed. Heckewerth Nachf. GmbH & Co. KG Verfahren zur Herstellung einer mit Bildern oder Grafikmustern bedruckten Dekorplatte
EP3981595A1 (fr) 2013-10-23 2022-04-13 Ceraloc Innovation AB Couche d'impression pour impression numérique
US11077652B2 (en) 2013-10-23 2021-08-03 Ceraloc Innovation Ab Method of forming a decorative wear resistant layer
US10328680B2 (en) 2013-10-23 2019-06-25 Ceraloc Innovation Ab Method of forming a decorative wear resistant layer
EP3683055A1 (fr) 2013-10-23 2020-07-22 Ceraloc Innovation AB Panneau de plancher
US9994010B2 (en) 2014-01-24 2018-06-12 Ceraloc Innovation Ab Digital print with water-based ink on panel surfaces
US10899121B2 (en) 2014-01-24 2021-01-26 Ceraloc Innovation Ab Digital print with water-based ink on panel surfaces
US10737506B2 (en) 2014-01-31 2020-08-11 Ceraloc Innovation Ab Digital print with water-based ink
US10071563B2 (en) 2014-01-31 2018-09-11 Ceraloc Innovation Ab Digital print with water-based ink
US9605168B2 (en) 2014-01-31 2017-03-28 Ceraloc Innovation Ab Digital print with water-based ink
US11173722B2 (en) 2014-01-31 2021-11-16 Ceraloc Innovation Ab Digital print with water-based ink
CN104559876A (zh) * 2014-12-19 2015-04-29 宜昌山山林业有限责任公司 一种防辐射、阻燃板生产之复合粘接剂，制备方法及其应用
US11186997B2 (en) 2016-03-24 2021-11-30 Valinge Innovation Ab Method for forming a décor on a substrate

Also Published As

Publication number Publication date
EP2274485B1 (fr) 2013-03-27
PL2274485T3 (pl) 2013-06-28
ES2404075T5 (es) 2021-06-29
EP2274485B2 (fr) 2020-10-28
EP2274485A1 (fr) 2011-01-19
ES2404075T3 (es) 2013-05-23
PL2274485T5 (pl) 2021-05-17
DE102008008292A1 (de) 2009-08-13

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