EP2066842B1 - Tapetensubstrat und verfahren zu seiner herstellung - Google Patents

Tapetensubstrat und verfahren zu seiner herstellung Download PDF

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Publication number
EP2066842B1
EP2066842B1 EP07803541A EP07803541A EP2066842B1 EP 2066842 B1 EP2066842 B1 EP 2066842B1 EP 07803541 A EP07803541 A EP 07803541A EP 07803541 A EP07803541 A EP 07803541A EP 2066842 B1 EP2066842 B1 EP 2066842B1
Authority
EP
European Patent Office
Prior art keywords
wallcover
backing
cellulose
fibrous
top side
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.)
Revoked
Application number
EP07803541A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2066842A1 (de
Inventor
Frank Fetkenheuer
Marco Menz
Michael Nogowski
Thomas Ullrich
Horst Leupold
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.)
Glatfelter Dresden GmbH and Co KG
Original Assignee
Dresden Papier 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38947384&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2066842(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dresden Papier GmbH filed Critical Dresden Papier GmbH
Priority to PL07803541T priority Critical patent/PL2066842T3/pl
Publication of EP2066842A1 publication Critical patent/EP2066842A1/de
Application granted granted Critical
Publication of EP2066842B1 publication Critical patent/EP2066842B1/de
Revoked 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
    • 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
    • D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
    • 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • 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
    • D21H19/80—Paper comprising more than one coating
    • D21H19/84—Paper comprising more than one coating on both sides of the substrate
    • 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
    • D21H25/14—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod the body being a casting drum, a heated roll or a calender
    • 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
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets

Definitions

  • the invention relates to a wallpaper substrate for a dry peelable wallpaper with minimal wet stretch.
  • This consists of a multilayer web with an underside facing the wall when using the wallpaper and a top facing the room when the wallpaper is used.
  • a fibrous cellulosic fibrous base layer and synthetic fibers In between, in the bottom-to-top direction, there are disposed a fibrous cellulosic fibrous base layer and synthetic fibers and a fibrous top layer of a cellulosic non-fiber synthetic pulp mixture.
  • the invention also relates to a method for producing a wallpaper substrate for a dry peelable wallpaper with minimal wet stretch, in which a multilayer web is produced with an underside facing the wall when the wallpaper is used and an upper side facing the room when the wallpaper is used.
  • a fibrous lower layer of a pulp mixture of cellulose and synthetic fibers and a fibrous upper layer of a synthetic fiber-free cellulose fiber mixture are joined together.
  • a wallpaper substrate From the DE 27 14 206 A1 is a wallpaper substrate and a process for its preparation is known which consists of a lower layer, in addition to cellulose fibers and thermoplastic Synthetic fibers contains and an upper layer containing only cellulose fibers known. Both layers are glued together by lamination using glue. In addition, the process is conducted so that the synthetic fibers fuse together. This solution is aimed primarily at a good connection of the layers and a good removability of the wallpaper in the case of renovation. Direct printing of this wallpaper substrate is not provided.
  • a method and a wallpaper substrate of the aforementioned type is also known from EP 0118 221 B1 known.
  • a lower phase containing both cellulose and synthetic fibers and an upper cellulosic fiber-containing upper phase are bonded together.
  • a direct printing of the substrate is not provided here. Rather, a vinyl layer is applied to the top, which is to serve the subsequent printing.
  • the composition of the upper phase serves here for better adhesion of this vinyl layer.
  • the US-A-4460643 refers to a wallpaper substrate.
  • This wallpaper substrate is intended for the production of a vinyl wallpaper.
  • a vinyl wallpaper consists of a wallpaper substrate to which a smooth vinyl layer is applied.
  • This vinyl layer has a sufficiently smooth surface on which then, for example, a high-quality print can be applied.
  • the vinyl layer can after the US-A-4460643 be applied by means of two alternative methods, namely by means of a coating from the liquid phase or by means of a thermal lamination process.
  • the wallpaper substrate consists of a multi-phase structure having an upper phase and a lower phase.
  • the upper phase is free of synthetic polyester fibers, but it probably has synthetic fibers, namely up to 90% by weight of a meltable thermoplastic fiber material, for example consisting of polyolefin fibers.
  • This upper layer is designed so that it forms a good bond with the vinyl layer.
  • the lower phase In US-A-4460643 consists of a pulp mixture based on cellulose and synthetic fibers.
  • a dry strippable wallpaper substrate is described.
  • two paper webs are glued together so that they can be separated in the glued state by applying a tensile force. Dazul is set a deliberately weak bond between the two paper webs.
  • such a wallpaper substrate has the same high wet stretch as other paper wallpapers, as determined by the composition of the material and is not changed by the two-ply.
  • the EP-A-4296162 discloses a wallpaper having a lower layer of a cellulosic material (paper). On top of that is an aluminum layer and on top of it an upper layer of opaque vinyl.
  • the object of the invention is now to provide a wallpaper substrate and a method for its production, with a direct, almost error-free printing of the top in good quality in particular by means of direct printing and in this case in particular by intaglio is possible and which is inexpensive to produce.
  • a printability should be achieved by minimizing the number of imperfections, so-called missing dots, in the printout.
  • the problem is solved on the arrangement side, that the lower layer and the upper layer are matted together by Gautschen, and the upper side satin and is formed by direct printing, especially for gravure, with a maximum of 1 missing dot per cm 2 printable.
  • a multi-layered wallpaper substrate which from a bottom, the bottom facing the wall, consisting of a cellulose and synthetic fiber blend, and an upper facing in the space top, consisting of a cellulose fiber layer, with a top applied pigment coating, which was calendered, prepared and in this way and Way an advantageous surface structure is created, ensures a very good printability in gravure printing with a small number of defects.
  • a lower functional layer is applied to the underside.
  • this functional layer for example, a curling of the wallpaper can be prevented.
  • a further embodiment according to the invention provides that the fibers based on cellulose consist of 50 to 100% of chemically produced fibers and may contain 0 to 50% of mechanically treated fibers and / or 0 to 50% of recovered paper fibers in each case in a supplementary proportion.
  • the possibility of adding mechanically processed fibers and / or recovered paper fibers on the one hand improves the range of variation in the structure and, on the other hand, enables cost-effective production.
  • a pigment coating forming the upper side is applied to the upper layer.
  • the pigment coating contains inorganic, in particular mineral constituents, since these constituents bring about further smoothing with uniform roughness and good ink coverage.
  • Preferred mineral materials for the pigment coating are mixed or individually represented by caolins, titanium dioxide, carbonates, talc and special pigments.
  • the functional layer has a grammage of 0 to 5 g / m 2
  • the upper layer has a grammage of 5 to 40 g / m 2
  • the pigment coating a grammage of 5 to 35 g / m 2
  • the lower layer has a grammage corresponding to the total grammage of the substrate to be adjusted minus the grammages of the functional layer, the upper layer and the pigment stroke.
  • the wallpaper substrate has a total grammage of 60 to 180 g / m 2 .
  • the process-side solution of the problem provides that the lower and upper layers, preferably by means of wires, each made of a cellulosic suspension or a cellulosic suspension with admixing synthetic fibers for the lower layer, are formed and then joined together by Gautschen and the top by means of satin with a high print quality suitable for a direct printing, in particular a gravure printing is created and that all processes are carried out at a temperature below the melting temperature of the synthetic fibers.
  • the adjustment of the temperature prevents crosslinking of the synthetic fibers, so that the wallpaper substrate retains its flexible basic structure.
  • the satin finish for which the pure cellulose structure of the top is very well suited, achieves a very even surface, which helps avoid the creation of missing dots in direct printing.
  • the adhesion and processing properties of the wallpaper can be influenced.
  • it can be used to prevent curling.
  • a pigment coating which forms the upper side is applied in situ, which on the one hand serves to pre-color the wallpaper and on the other hand further improves the surface structure.
  • This pigment coating may conveniently be applied directly during production, thus avoiding an additional treatment step which would require additional handling of the wallpaper substrate rolls.
  • a pigment coating forming the upper side is applied separately to the side of the upper layer facing the surface.
  • the composite is able to withdraw liquid from the pigment coating very quickly, as a result of which it gets into a dry state more quickly.
  • the satinization may be carried out in situ or separately and in both cases by means of a calender.
  • the wallpaper substrate 1 has an underside 2 facing the wall when the wallpaper is used and an upper side 3 pointing into the room when the wallpaper is used.
  • a lower functional layer 4 a fibrous lower layer 5 of a pulp mixture of cellulose and synthetic fibers and a fibrous upper layer 6 of a synthetic fiber-free cellulose fiber mixture are arranged.
  • the lower one Layer 5 and the upper layer 6 are matted together by Gautschen.
  • a top 3 forming pigment coating 7 is applied on the upper layer 6 .
  • the top 3 is satined and designed for printing by direct printing, especially for gravure printing, almost error-free.
  • the wallpaper substrate of the invention is produced on a Duplexlangsiebmaschine. It is quite common to produce both layers 5 and 6 from a same pulp mixture of cellulose and synthetic fibers. In contrast, according to the invention, the synthetic fibers are not dosed in the upper layer 6.
  • the upper layer 6 is the position which shows after wallpapering the finished wallpaper to the inside of the room.
  • the surface 3 thus produced has a structure as it is required for the almost error-free printability in gravure, especially for the small number of defects, so-called missing dots in the expression.
  • a functional layer 4 can be applied to the underside of the lower layer to maintain certain properties, such as anti-curling, fiber adhesion and the like.
  • a wallpaper substrate 1 is specified, which satisfies the highest demands made by the gravure printing.
  • This wallpaper substrate 1 thus has properties as it has provided for a gravure conventional wallpaper paper.
  • the wallpaper substrate 1 according to the invention was in a grammage range made of 130 g / m 2 .
  • the upper layer was made of 100% cellulose fibers and had a grammage of 35 g / m 2.
  • the lower web consisted of a nonwoven wallpaper (cellulose and synthetic fiber mixture) corresponding to the state of the art with a surface weight of 73 g / m 2 .
  • starch was applied in a basis weight range of 0.3 g / m 2 for anticurling treatment.
  • the inorganic pigment sting was applied in a basis weight range of 22 g / m 2 .
  • the wallpaper substrate 1 according to the invention has a surface roughness measured according to Parker Print Surf (DIN ISO 8791-4) of ⁇ 2.0 ⁇ m, in particular ⁇ 1.7 ⁇ m.
  • Papers which are currently used in rotogravure for the particular application in question usually have a Parker Print Surf value of ⁇ 1.7 ⁇ m.
  • test print in the gravure printing process carried out under industrial conditions showed a closed print image without defects (missing dots).

Landscapes

  • Paper (AREA)
  • Laminated Bodies (AREA)
EP07803541A 2006-09-29 2007-09-18 Tapetensubstrat und verfahren zu seiner herstellung Revoked EP2066842B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07803541T PL2066842T3 (pl) 2006-09-29 2007-09-18 Podłoże tapety i sposób jego wytwarzania

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006046794 2006-09-29
DE102006058929A DE102006058929B4 (de) 2006-09-29 2006-12-12 Tapetensubstrat und Verfahren zu seiner Herstellung
PCT/EP2007/059838 WO2008040635A1 (de) 2006-09-29 2007-09-18 Tapetensubstrat und verfahren zu seiner herstellung

Publications (2)

Publication Number Publication Date
EP2066842A1 EP2066842A1 (de) 2009-06-10
EP2066842B1 true EP2066842B1 (de) 2011-05-25

Family

ID=38947384

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07803541A Revoked EP2066842B1 (de) 2006-09-29 2007-09-18 Tapetensubstrat und verfahren zu seiner herstellung

Country Status (8)

Country Link
EP (1) EP2066842B1 (uk)
AT (1) ATE510963T1 (uk)
DE (1) DE102006058929B4 (uk)
ES (1) ES2366928T3 (uk)
PL (1) PL2066842T3 (uk)
RU (1) RU2428537C2 (uk)
UA (1) UA93738C2 (uk)
WO (1) WO2008040635A1 (uk)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2548181T3 (es) 2012-07-03 2015-10-14 Ahlstrom Corporation Papel dimensionalmente estable y método de producción del mismo
FI126699B (en) 2014-05-15 2017-04-13 Metsä Board Oyj Process for making cardboard
EP2949812A1 (de) 2014-05-27 2015-12-02 Jokiel & Ullmann Consulting GbR Gemisch zur Herstellung einer Imprägnierflotte zur Imprägnierung von Papieren und Vlieshybriden
EP2966222A1 (de) 2014-07-10 2016-01-13 Schoeller Technocell GmbH & Co. KG Basismaterial für Tapeten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT57724B (de) 1911-01-07 1913-02-25 Latzel & Kutscha Verfahren zur Reinigung von Filtern mit körnigem Filtermaterial.
US2414833A (en) * 1944-05-09 1947-01-28 C H Dexter & Sons Inc Thermoplastic paper and process of preparing the same
CA933851A (en) * 1970-09-28 1973-09-18 R. Gunning John Manufacture of strippable wallpaper and strippable poster paper
GB1578755A (en) * 1976-03-30 1980-11-12 Ici Ltd Reinforced sheet-type wall covering
US4296162A (en) * 1978-03-14 1981-10-20 Jean Raymond W Wallcoverings
US4460643A (en) * 1983-02-07 1984-07-17 The Dexter Corporation Nonwoven fibrous backing for vinyl wallcover
DE20113109U1 (de) * 2001-08-07 2001-10-31 Ratinger Tapetenfabrik Gebhardt & Hardieck GmbH, 40878 Ratingen Tapete

Also Published As

Publication number Publication date
UA93738C2 (uk) 2011-03-10
DE102006058929B4 (de) 2011-08-25
ATE510963T1 (de) 2011-06-15
RU2428537C2 (ru) 2011-09-10
RU2009113685A (ru) 2010-11-10
WO2008040635A1 (de) 2008-04-10
PL2066842T3 (pl) 2011-11-30
ES2366928T3 (es) 2011-10-26
DE102006058929A1 (de) 2008-05-08
EP2066842A1 (de) 2009-06-10

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