EP2393670B1 - Procédé de fabrication d'un papier décoratif, ainsi que papier décoratif - Google Patents

Procédé de fabrication d'un papier décoratif, ainsi que papier décoratif Download PDF

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Publication number
EP2393670B1
EP2393670B1 EP10702622A EP10702622A EP2393670B1 EP 2393670 B1 EP2393670 B1 EP 2393670B1 EP 10702622 A EP10702622 A EP 10702622A EP 10702622 A EP10702622 A EP 10702622A EP 2393670 B1 EP2393670 B1 EP 2393670B1
Authority
EP
European Patent Office
Prior art keywords
paper
polycarbonate
aliphatic
polyurethane dispersion
anionic polyurethane
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.)
Not-in-force
Application number
EP10702622A
Other languages
German (de)
English (en)
Other versions
EP2393670A1 (fr
Inventor
Kimmo Suur-Nuuja
Heinz Kleinerüsskamp
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.)
Keeeper GmbH
Original Assignee
OKT Germany GmbH
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 OKT Germany GmbH filed Critical OKT Germany GmbH
Publication of EP2393670A1 publication Critical patent/EP2393670A1/fr
Application granted granted Critical
Publication of EP2393670B1 publication Critical patent/EP2393670B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/57—Polyureas; Polyurethanes
    • 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
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
    • 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
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
    • 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
    • D21H19/66—Coatings characterised by a special visual effect, e.g. patterned, textured
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer layer
    • Y10T428/24876—Intermediate layer contains particulate material [e.g., pigment, etc.]

Definitions

  • the present invention relates to a method for the production of decorative paper and a decorative paper.
  • Decorative coating materials are special papers for the surface refinement of wood-based materials. Due to the high optical standards, the highest demands are placed on decorative paper. For optimum printability, the paper requires particularly good formation, smoothness and dimensional stability.
  • the resin impregnation required during processing requires a uniform penetration of the resin into the paper.
  • the impregnation with subsequent compression serves primarily to reduce the sensitivity of the surface to mechanical, thermal and chemical stress (eg abrasion, scratching, water, solvents, water vapor and solvent vapors).
  • the latter technique is used only for papers that are not (yet) printed.
  • the printer must therefore decide before printing whether he wants to use a paper with reduced resin absorption capacity (resin-saving paper) or not.
  • the light fastness of the decor papers produced according to the invention is also improved.
  • overlays which are also exposed to acrylate dispersions, are placed on the decorative papers prior to pressing.
  • Another object of the present invention is to propose a decor paper which has increased light fastness and can be produced inexpensively.
  • a decorative paper with the characterizing features of claim 11. Characterized in that the decorative paper, at least one paper core, a printing layer, As well as an embedded in the paper core aliphatic polycarbonate anionic polyurethane dispersion, a decorative paper can be provided, which has an increased light fastness and can be produced equally well, since both "resin-saving paper” and “non-resin-saving” paper as starting material for the Paper core can be used.
  • an aliphatic, polycarbonate-containing anionic polyurethane dispersion is applied to the printed paper.
  • This may be the product Bayhydrol® XP 2606 from Bayer or a comparable other product (Bayhydrol® is a registered trademark of Bayer AG, 51373 Leverkusen).
  • Bayhydrol® is a registered trademark of Bayer AG, 51373 Leverkusen.
  • the polyurethane dispersion lowers the capillary action, the polycarbonate leading to adhesion of the dispersion in the capillaries, which are thus somewhat narrowed.
  • the decisive for the further processing of the papers pH value is adjusted by the concentration of anions.
  • the aliphatics improve the light fastness.
  • the print product can thus be manufactured either in the setting resin-saving or standard, without a color adjustment is necessary. Color matching is inevitably necessary with the use of the known resin-saving papers due to the changing ink receptivity in printing.
  • the aliphatic, polycarbonate-containing anionic polyurethane dispersion in particular the product Bayhydrol® XP 2606, is mixed in a ratio of 25 parts to 75 parts (parts by weight) of water and applied at the pressure with a dry weight of about 5 g / qm. These parameters are indicative and may change for different papers.
  • the application is done either in gravure by means of rear cylinders in the last printing unit online or offline in another favorable process, eg in a coating plant.
  • Tables 1 to 8 contain safety data sheets or product data sheets of an aliphatic, polycarbonate-containing anionic polyurethane dispersion, in particular of a dispersion marketed under the brand name Bayhydrol®. From this it is possible to deduce the properties of an aliphatic, polycarbonate-containing anionic polyurethane dispersion which can preferably be used for the proposed process according to the invention. It should be noted that this is only a preferred dispersion. In principle, of course, any other aliphatic, polycarbonate-containing anionic polyurethane dispersion comes into question.
  • Fig. 1 the proposed method according to the invention is shown schematically here.
  • the decorative paper according to the invention comprises a paper core 1, a printing layer 2, an aliphatic, polycarbonate-containing anionic polyurethane dispersion 3 incorporated into the paper core 1, and in particular a resin layer or embedded resin particles 4.
  • the proposed method according to the invention can be used particularly advantageously for the following exemplary applications.
  • the degree of gloss depends essentially on the amount of applied nacreous pigments in the pearlescent color.
  • Mother-of-pearl pigments if printed as a uni-color, are usually fixed with an overprinted blend as a binder.
  • the amount of pigments can not be increased arbitrarily, since the paper must remain impregnable. Too high an amount results in a partial sealing of the surface and the resin can penetrate insufficiently into the paper, resulting in impregnation defects and thus high waste.
  • the degree of gloss depends on the flow behavior and curing of the resin. Too rapid curing results in low gloss since the resin does not sufficiently dissolve during the compression and takes on the (glossy) structure of the press plate. In the worst case, stains form, which is also broke.
  • an improvement in the gloss level can also be achieved by replacing the blend for fixing the pigments with an aliphatic, polycarbonate-containing anionic polyurethane dispersion.
  • the aliphatic, polycarbonate-containing anionic polyurethane dispersion is applied (Process step ii).
  • the product can be compared to that in the EP 13 61 074 B1 described manner to be made less with a printing unit, which increases the flexibility and costs z. B. Energy costs lowers.
  • the gloss level of the surfaces thus produced is very high.
  • a higher gloss level than with the in the according EP 13 61 074 B1 be achieved substance described.
  • the paper is less sensitive to manufacturing variations during impregnation and compression.
  • the inventively proposed method or by the decorative paper according to the invention remedy can be provided by the inventively proposed method or by the decorative paper according to the invention remedy.
  • the asymmetry is reduced, at least for printed papers. Also, properties such as resin savings and increased flexibility, in particular due to the dispersion in the paper, are retained.
  • Decorative papers need sufficient opacity so that nothing of the chipboard shows through.
  • the opacity results from the amount of TiO 2 incorporated in the paper. If the opacity is to be increased, more Ti02 must be incorporated. However, this only succeeds in simultaneously increasing the basis weight, since the network of paper fibers can not hold any amount of TiO 2. The paper becomes more unstable, the tear strength decreases.
  • Ti02 can be printed as a color on an existing paper. This overprint is sealed by over-printing with aliphatic polycarbonate-containing anionic polyurethane dispersion. By curing the aliphatic, polycarbonate-containing anionic polyurethane dispersion after printing, the tear strength of the paper is increased. With the same basis weight, a paper can be produced that has a higher opacity and at the same time has the advantages outlined above.
  • the growth of the paper during impregnation is a central theme.
  • the individual panels must have the expected width; Tiles should remain square.
  • a particular challenge is represented by a pore structure compressed synchronously with the print image. According to the prior art, this is realized by empirically determining the growth of the paper web on the basis of the resin absorption and taking this into account in the print data. Fluctuations in growth behavior due to fluctuations in paper production lead to considerable rejection.
  • paper must be removed from the center of the paper machine so that it can not be used in its full width, since a paper machine can also be twice as wide as the further processing machines.
  • the paper growth can be reduced from currently 1.5% to almost zero.
  • the aliphatic, polycarbonate-containing anionic polyurethane dispersion cured after printing fixes the paper width. The paper does not grow during the impregnation.
  • the aliphatic, polycarbonate-containing anionic polyurethane dispersion is applied to the pressure side.
  • the application “flatness” shows by way of example, an application on the back of the paper can also be advantageous.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)
  • Printing Methods (AREA)

Claims (15)

  1. Procédé pour la production de papier décoratif, caractérisé
    par les étapes de procédé suivantes :
    i) impression d'un papier ;
    ii) application d'une dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate.
  2. Procédé selon la revendication 1, caractérisé en ce qu'après l'application de la dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate, une résine est appliquée sur le papier imprimé.
  3. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que par l'application de la dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate, on obtient un pH de 7-7,2 sur le papier.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate est mélangée dans un rapport de 25 parties à 75 parties d'eau.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate, est appliquée sur l'impression en un poids sec d'environ 5 g/m2.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'application de la dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate est réalisée par héliogravure au moyen de cylindres pour l'impression de fonds.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'application de la dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate est réalisée dans une usine de laquage.
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le papier est imprimé par une couleur à effets métallisés.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate est appliquée sur la face non imprimée du papier.
  10. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le papier est imprimé par une couleur contenant du TiO2.
  11. Papier décoratif, comprenant au moins
    - un noyau en papier (1),
    - une couche imprimée (2), ainsi que
    - une dispersion (3) de polyuréthane anionique aliphatique, contenant du polycarbonate incorporée dans le noyau en papier (1).
  12. Papier décoratif selon la revendication 11, caractérisé en ce que le papier décoratif est saturé par des résines aminoplastes (4).
  13. Papier décoratif selon l'une quelconque des revendications 11 ou 12, caractérisé en ce qu'il a été produit selon un procédé selon l'une quelconque au moins des revendications 1 à 10.
  14. Papier décoratif selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que la couche imprimée est formée d'une couleur contenant des pigments nacrés ou contenant du TiO2.
  15. Papier décoratif selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le noyau en papier (1) est pourvu, sur sa face opposée à la couche imprimée (2), d'une dispersion de polyuréthane anionique aliphatique, contenant du polycarbonate.
EP10702622A 2009-02-04 2010-02-03 Procédé de fabrication d'un papier décoratif, ainsi que papier décoratif Not-in-force EP2393670B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009007544A DE102009007544B3 (de) 2009-02-04 2009-02-04 Verfahren zur Herstellung von Dekorpapier sowie Dekorpapier
PCT/EP2010/000639 WO2010089086A1 (fr) 2009-02-04 2010-02-03 Procédé de fabrication d'un papier décoratif, ainsi que papier décoratif

Publications (2)

Publication Number Publication Date
EP2393670A1 EP2393670A1 (fr) 2011-12-14
EP2393670B1 true EP2393670B1 (fr) 2012-11-21

Family

ID=42027630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10702622A Not-in-force EP2393670B1 (fr) 2009-02-04 2010-02-03 Procédé de fabrication d'un papier décoratif, ainsi que papier décoratif

Country Status (6)

Country Link
US (1) US20110300351A1 (fr)
EP (1) EP2393670B1 (fr)
BR (1) BRPI1008225A2 (fr)
DE (1) DE102009007544B3 (fr)
RU (1) RU2519970C2 (fr)
WO (1) WO2010089086A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012207845A1 (de) 2012-05-10 2013-11-14 Surface Technologies Gmbh & Co. Kg Verfahren zur Herstellung eines dekorierten Blattes und dessen Verwendung
US10850487B2 (en) 2015-07-24 2020-12-01 Robert Clausi Pressed laminate panel with a single layer elastomerick treated paper
CN107949903B (zh) * 2015-09-18 2022-10-14 国立大学法人北陆先端科学技术大学院大学 复合部件及复合部件的制造方法及含有脂肪族聚碳酸酯的层
EP3168363A1 (fr) * 2015-11-12 2017-05-17 Interprint GmbH Procede de fabrication d'un agent d'impregnation et d'une matiere composite et utilisation de polyurethane en tant qu'agent d'impregnation
ES2929429T3 (es) 2019-06-18 2022-11-29 Schoeller Technocell Gmbh & Co Kg Material preimpregnado con planitud mejorada
BE1029240B1 (nl) * 2021-03-24 2022-10-24 Flooring Ind Ltd Sarl Panelen en methode om panelen te produceren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH081895A (ja) * 1994-06-21 1996-01-09 Dainippon Printing Co Ltd 化粧シート及びその製造方法
HU221440B (en) * 1995-03-13 2002-10-28 Portals Ltd Security paper
DE10134302C1 (de) * 2001-07-14 2002-12-12 Technocell Dekor Gmbh & Co Kg Vorimprägnat, Verfahren zu dessen Herstellung sowie daraus erhältliche Dekorimprägnate oder dekorative Beschichtungswerkstoffe
DK1361074T3 (da) * 2002-04-26 2005-08-29 Okt Kunststofftechnik Gmbh Fremgangsmåde til forbedring af metaleffekterne, videreforarbejdningskriterierne samt fleksibiliteten af harpikscoatede dekorpapirer
US7419716B2 (en) * 2003-05-30 2008-09-02 Awi Licensing Company Multiple gloss level surface coverings and method of making

Also Published As

Publication number Publication date
EP2393670A1 (fr) 2011-12-14
RU2519970C2 (ru) 2014-06-20
DE102009007544B3 (de) 2010-08-12
US20110300351A1 (en) 2011-12-08
RU2011136712A (ru) 2013-03-10
WO2010089086A1 (fr) 2010-08-12
BRPI1008225A2 (pt) 2016-03-08

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