EP2263884A1 - Papier peint et procédé de fabrication de papiers peints - Google Patents

Papier peint et procédé de fabrication de papiers peints Download PDF

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Publication number
EP2263884A1
EP2263884A1 EP09162902A EP09162902A EP2263884A1 EP 2263884 A1 EP2263884 A1 EP 2263884A1 EP 09162902 A EP09162902 A EP 09162902A EP 09162902 A EP09162902 A EP 09162902A EP 2263884 A1 EP2263884 A1 EP 2263884A1
Authority
EP
European Patent Office
Prior art keywords
substrate
coating
dye
ink
printed
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.)
Withdrawn
Application number
EP09162902A
Other languages
German (de)
English (en)
Inventor
Koert Johannes Sportel
Ronald Koetsier
Cornelis Hendricus Cornelissen
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.)
Coldenhove Know How BV
Original Assignee
Coldenhove Know How BV
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 Coldenhove Know How BV filed Critical Coldenhove Know How BV
Priority to EP09162902A priority Critical patent/EP2263884A1/fr
Priority to PCT/NL2010/050374 priority patent/WO2010147468A1/fr
Publication of EP2263884A1 publication Critical patent/EP2263884A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/18—Particular kinds of wallpapers
    • 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
    • B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/18—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of organic plastics with or without reinforcements or filling materials or with an outer layer of organic plastics with or without reinforcements or filling materials; plastic tiles

Definitions

  • Such wallcoverings are typically made of vinyl and may be printed directly with either a solvent ink or a UV-curable ink using inkjet printing.
  • Solvent inks work through mechanisms of penetration, reaction and/or dissolution in vinyl.
  • a disadvantage of using solvent ink is that this ink is not suitable for printing on substrates different than vinyl, such as polyester.
  • Solvent inks further contain large amounts of volatile organic compounds (VOCs), which may raise health and/or environmental concerns.
  • VOCs volatile organic compounds
  • UV-curable inks have to be cured after printing by exposure to UV-light.
  • An advantage of using UV-curable ink is that this ink can also be applied to other substrates than vinyl, such as polyester.
  • a disadvantage using UV-curable ink is that UV-curable ink will stay on the surface of the substrate even after curing, providing the wallpaper with an often unwanted relief on the surface. Also there is a danger of damaging the print during application, because the printing is on top of the substrate.
  • dye-sublimation An alternative printing method known in the art is dye-sublimation.
  • dye-sublimation a sublimable dye is heated up until it turns into a gas, at which point it may be diffused onto a printing media where it solidifies.
  • the dye sublimation inks are a pigment suspended in a liquid solvent, like water.
  • a disadvantage of using these dyes is that they are not suitable for color printing onto paper substrates, because the ink can be smeared or scraped or rubbed off of such substrates.
  • a dye-sublimation technique is sublimation dye thermal transfer recording.
  • an image is printed with a sublimable dye on a sublimation dye transfer paper as a reverse image of the final design, which is then transferred onto a substrate, usually polyester, by heating with a thermal head or a laser beam (see e . g . EP-A-0 709 230 ).
  • Sublimation dye thermal transfer recording is currently widely used to print on polyester or other synthetic fabrics, such as t-shirts, flags, etc .
  • Disadvantage of this technique is that it involves indirect printing, which increases the complexity of the printing process. Also thermal transfer printing gives less sharp images than direct printing. It adds an additional step in the process, which means lower production speeds and therefore higher costs.
  • WO-A- 9830397 describes a method for printing a wall covering material, wherein a decorative pattern is printed on a sublimation dye transfer paper, which transfer paper is then brought in overlapping contact with a paper-like, non-woven web material on a heated surface. Thus, the decorative pattern is transferred from the transfer paper to the web material. The transfer paper is then separated from the web material and may be disposed after use.
  • Thermal transfer image-receiving sheets are known from e . g . EP-A-0 709 230 and US-A-5 856 268 . These sheets are used in thermal transfer recording, such as e . g . the method as described hereinabove, and form the final carrier of the image.
  • a thermal transfer image-receiving sheet may comprise a substrate sheet provided with an intermediate layer and a receptive layer. The substrate sheet may be made from paper or polyester.
  • the receiving layer serves to receive a dye which, upon heating, is transferred from a thermal transfer sheet and, at the same time, to hold thereon a formed image.
  • Such a receiving layer is typically a resin coating, e . g . polyolefin resins, vinyl resins, polyester resins or cellulosic resins.
  • the intermediate layer is typically a resin layer that varies in composition depending on the application of the thermal transfer image-receiving sheet.
  • this object is met by providing a process for producing a wallcovering comprising the steps of
  • Preferred polyesters are sulfopolyester types, i . e . polyesters containing a sulfomonomer containing a -SO 3 - group attached to an aromatic nucleus.
  • Viscosity is in the low range, typically up to 500 mPa ⁇ s (measured using a Rotation Viscometer using plate and cone at 23 °C).
  • Tg can be between 20 and 125 °C.
  • polyurethane When polyurethane is used, it is preferably water dispersed, typically with a viscosity from 10 - 100 mPa ⁇ s (Rotation Viscometer using plate and cone at 23 °C. Tg is typically from -20 to 45 °C.
  • polyacrylate When polyacrylate is used, it is preferably selected from the selfcrosslinking types, having a visicosity that is typically up to 500 mPa ⁇ s (Rotation Viscometer using plate and cone at 23 °C) and a Tg that ranges typically from 22 to >200 °C.
  • the coating is hydrophilic.
  • the coating can be made hydrophilic by adding additives like starch, carboxymethyl cellulose (CMC), polyvinyl alcohol (PVOH) or combinations thereof.
  • the coating may further comprise one or more emulsifying agents.
  • Suitable emulsifying agents are alginates and glycerol. These can be applied in amounts typically ranging from 0.5-to 2.0 wt.% (all weight percentages as used herein are based on the total weight of the coating, unless indicated otherwise).
  • the coating may further comprise one or more surfactants.
  • Suitable surfactants are for instance fatty alcohol, fatty acid soaps or esters and can be applied in amounts typically ranging from -0.1 to 1.0-- wt.% (based on the total weight of the coating).
  • the coating may further comprise one or more pH controlling agents.
  • Suitable pH controlling agents are sodium hydroxide and sulfuric acid. They are typically applied in amounts up to -0.5 wt.% (based on the total weight of the coating).
  • Preferred fixing agents are selected from cationic substances. More preferably the fixing agent is one or more compounds selected from cationic starch, polydiallyldimethylammonium chloride (polydadmac), poly aluminum chloride (PAC) or quaternary ammonium salts.
  • the fixing agent can be applied in amounts ranging from 1 to 10 wt.% (based on the total weight of the coating).
  • the coating may further comprise one or more pigments.
  • Suitable pigments are silica, CaCO 3 , China Clay and talcum. These compound have an extra beneficial effect in the products of the present invention in that they also provide water absorption. They can be applied in amounts ranging from 0 to 15 wt.% (based on the total weight of the coating).
  • the coating may further comprise one or more binders.
  • Suitable binders are starch, SBR-latex, PVOH and CMC. They can be applied in amounts ranging from 0 to 10 wt.% (based on the total weight of the coating).
  • the coating may further comprise one or more viscosity controlling agents.
  • Suitable viscosity controlling agents are carboxy methyl cellulose (CMC), polyvinylalcohol (PVOH) or starch. They can be applied in amounts ranging from 0 to 3 wt.% (based on the total weight of the coating).
  • One of the main advantages of using the process of the present invention is that a superior color gamut can be printed in comparison with the direct printing methods of the prior art that use solvent ink or UV-curable ink.
  • the process of the present invention yields sharper images and allows for brighter and stronger colors.
  • the printed images of the dye sublimated substrate according to the present invention lie in the polyester coating. This provides the printed wallcovering with a good durability, as well as nice and smooth looks. It also allows for wallcoverings having a smooth surface.
  • a further advantage is that it allows for the use of water-based ink, which is environmentally friendly.
  • the ink is a water based ink.
  • the process according to the present invention makes it furthermore possible to print directly onto large substrates, such as wallcoverings.
  • An additional advantage of the coating applied in the process of the present invention is that such a coating makes the wallcovering water-resistant.
  • the ink is digitally printed onto the coated substrate.
  • an image created on a computer can directly be printed onto a coated substrate.
  • the ink is preferably applied using an ink-jet printer.
  • any other means with which an image can be digitally printed on a substrate may also be used.
  • the dye sublimated substrate obtained by the process of the present invention typically has a smooth surface. If desirable, the dye sublimated substrate may be provided with texture. In this case, the process of the present invention further comprises the step of applying texture to the printed dye sublimated substrate. Preferably, this is done by using a texture roller. Applying structure is preferably conducted after printing of the substrate, because this generally gives a better image. However, sometimes it may be suitable to apply structure, e . g . by using a texture roller, before printing.
  • the substrate may be any kind of substrate suitable as a substrate for a wallcovering.
  • the substrate is made of cellulose or polyester fibers.
  • the coating applied in the second step of the process of the present invention is preferably made of polyester or polyurethane.
  • the coating is typically applied in amounts of 5 to 30 g/m 2 (absolute dry weight), preferably in amounts of 7 to 25 g/m 2 (absolute dry weight).
  • the coating may comprise one or more layers. If multiple layers are present, preferably all layers are hydrophilic.
  • the coating may comprise a first layer, which first layer is closest to the substrate, and an outer layer, which layer is furthest away from the substrate. The ink is printed on the outer layer, which is therefore also called the receiving layer.
  • the outer layer is typically made of polyester or polyurethane and is preferably of the same composition as the first layer.
  • the first layer is the layer to which the ink is transferred through dye sublimation and which layer eventually holds the ink.
  • the first layer comprises one or more polymers selected from polyester, polyurethane and polyacrylate and at least one fixing agent.
  • Intermediate layers may be present between the first and outer layer. Such layers may add additional desirable properties to the coating, for example by including certain additives therein.
  • the intermediate layers are preferably made of polyester or polyurethane.
  • the coating may comprise one layer, which functions both as receiving layer and as the layer that holds the ink after dye sublimation.
  • Additives may be added to any of the layers present in the coating.
  • flame retardants and UV-catchers may be added.
  • Such additives are preferably added in an amount of 5-10% (flame retardants or more depending on the type) and 1-6% (UV-catchers).
  • the layers in the coating are preferably transparent or white of color, in particular when water-based inks are used.
  • the reason for this is that it there is no water-based ink comprising a sublimable dye that gives the color white.
  • the water-based ink which is preferably used in the process of the present invention comprises a sublimable dye and an aqueous liquid.
  • the sublimable dyes used in the present invention are disperse dyes, viz . dyes suspended in the aqueous liquid.
  • the disperse dyes can interact with the coating of the present invention.
  • disperse dyes are small, non-ionic molecules, with attached polar functional groups like -NO 2 and -CN.
  • the dye molecules are believed to fit between the polymer chains.
  • the polar groups improve the water solubility and the dipolar bonding between dye and polymer. Also the polar groups affect the color of the dye.
  • the dye is generally applied under pressure, at temperatures of 150-200 °C. At this temperature, thermal agitation causes the polymer's structure to become looser and less crystalline, opening gaps for the dye molecules to enter.
  • Preferred dyes are azo-dyes, in particular aminoazobenzene dyes, heterocyclic aminoazobenzene dyes, dyes based on heterocyclic coupling components and diazo dyes.
  • the invention is directed to a wallcovering obtained by the process of the present invention.
  • the invention is directed to a coated wallcovering comprising a substrate comprising one or more polymers selected from polyester, polyurethane and polyacrylate and at least one fixing agent.
  • the coating allows the use of any substrate in the process according to the present invention.
  • the wallcoverings of the present invention typically have a size of 0.5-3.20 m width and a length of 1 or 2 up to 20 m or more.
  • the printing of the coated substrate in accordance with the present invention is carried out using (industrial scale) inkjet printers.
  • Figure 1 shows a schematic representation of one embodiment of the process of the present invention.
  • a paper substrate of typically 1 by 3 meters is provided to coater (1) where a polyester coating is provided on the paper substrate.
  • a pattern created on a computer is digitally printed on the coating with an ink comprising a sublimable dye using ink-jet printer (2).
  • the printed coated substrate is heated to 180 °C using heater (3), causing the dye to sublimate.
  • the thus obtained substrate is then led through a structure roller (4), which applies a relief to the substrate.
  • a digitally printed wallcovering is obtained.
  • a base paper of (90 g/m 2 cellulose kraft paper) was coated with the following composition.
  • a coating mixture was prepared by adding 5 g of Skogin MV (supplier: Acatris) to 500 ml water. This mixture was dispersed during 15 minutes. 100 g of this solution was mixed with 100 g of Hydro-Rez 830 (supplier: Hexion).
  • This coating composition was brought on to the paper with a K-coater using rod number 5 at speed 10. This resulted in an absolute dry coatweight of 11.9 g/m 2 .
  • the coated papers were printed with an Epson inkjet printer using water based disperse inkjet dyes from Sensient. After printing the paper is was heated for 30 seconds at 180 °C.
  • Example 2 The same base paper as in Example 1 was coated with a composition that was obtained by mixing 1000 ml water and 150 g of Amylofax PW (supplier: Avebe). This mixture was stirred and heated for 10 minutes at 95 °C to obtain a dispersion. 100 g of this solution was mixed with 100 g of Emuldur 360 (supplier: BASF).
  • This coating composition was applied to the paper with a K-coater using rod number 7 at speed 10. This resulted in an absolute dry coating weight of 25.4 g/m 2 .
  • the coated paper was printed with a Roland inkjet printer using solvent based disperse inkjet dyes from Hilord. After printing the paper was heated for 40 seconds at 160 °C.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
EP09162902A 2009-06-17 2009-06-17 Papier peint et procédé de fabrication de papiers peints Withdrawn EP2263884A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09162902A EP2263884A1 (fr) 2009-06-17 2009-06-17 Papier peint et procédé de fabrication de papiers peints
PCT/NL2010/050374 WO2010147468A1 (fr) 2009-06-17 2010-06-17 Papier peint et processus de production de papiers peints

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09162902A EP2263884A1 (fr) 2009-06-17 2009-06-17 Papier peint et procédé de fabrication de papiers peints

Publications (1)

Publication Number Publication Date
EP2263884A1 true EP2263884A1 (fr) 2010-12-22

Family

ID=40791774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09162902A Withdrawn EP2263884A1 (fr) 2009-06-17 2009-06-17 Papier peint et procédé de fabrication de papiers peints

Country Status (2)

Country Link
EP (1) EP2263884A1 (fr)
WO (1) WO2010147468A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3124279A1 (fr) * 2015-07-28 2017-02-01 Grandeco Wallfashion Group - Belgium Procédé pour produire du papier peint avec un minimum d'effets secondaires
WO2017017225A1 (fr) * 2015-07-28 2017-02-02 Grandeco Wallfashion Group - Belgium Procédé de production de papier peint gaufré à impression numérique
WO2017017224A1 (fr) * 2015-07-28 2017-02-02 Grandeco Wallfashion Group - Belgium Papier peint pré-gaufré imprimé numériquement
CN108928146A (zh) * 2016-11-29 2018-12-04 安徽紫荆花壁纸股份有限公司 一种图案多样、色彩丰富的墙布加工方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2934901A4 (fr) 2012-12-20 2016-07-20 Hewlett Packard Development Co Support d'impression comprenant une couche de traitement
CN109937143B (zh) 2017-01-17 2022-02-11 惠普发展公司，有限责任合伙企业 可印刷介质
HRP20240587T1 (hr) * 2020-10-02 2024-07-19 Jesús Francisco Barberan Latorre Metoda i sustav za proizvodnju reljefa na podlozi

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709230A1 (fr) 1994-10-27 1996-05-01 Dai Nippon Printing Co., Ltd. Feuille réceptrice d'images pour transfert
US5631071A (en) * 1994-06-02 1997-05-20 Sanyo Chemical Industries, Ltd. Interior base material and printing method thereof
WO1998030397A1 (fr) 1997-01-08 1998-07-16 Paul Frischer Procede d'impression a sec d'un materiau de couverture de murs non tisse et similaire a du papier
JPH10309764A (ja) * 1997-03-12 1998-11-24 Kimoto & Co Ltd 壁紙作製用シート
US5856268A (en) 1994-10-06 1999-01-05 Dai Nippon Printing Co., Ltd. Heat transfer image-receiving sheet
EP1586459A1 (fr) * 2004-02-20 2005-10-19 Agfa-Gevaert Assemblage et procédé pour l'impression par jet d'encre

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5631071A (en) * 1994-06-02 1997-05-20 Sanyo Chemical Industries, Ltd. Interior base material and printing method thereof
US5856268A (en) 1994-10-06 1999-01-05 Dai Nippon Printing Co., Ltd. Heat transfer image-receiving sheet
EP0709230A1 (fr) 1994-10-27 1996-05-01 Dai Nippon Printing Co., Ltd. Feuille réceptrice d'images pour transfert
WO1998030397A1 (fr) 1997-01-08 1998-07-16 Paul Frischer Procede d'impression a sec d'un materiau de couverture de murs non tisse et similaire a du papier
JPH10309764A (ja) * 1997-03-12 1998-11-24 Kimoto & Co Ltd 壁紙作製用シート
EP1586459A1 (fr) * 2004-02-20 2005-10-19 Agfa-Gevaert Assemblage et procédé pour l'impression par jet d'encre

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3124279A1 (fr) * 2015-07-28 2017-02-01 Grandeco Wallfashion Group - Belgium Procédé pour produire du papier peint avec un minimum d'effets secondaires
WO2017017225A1 (fr) * 2015-07-28 2017-02-02 Grandeco Wallfashion Group - Belgium Procédé de production de papier peint gaufré à impression numérique
WO2017017224A1 (fr) * 2015-07-28 2017-02-02 Grandeco Wallfashion Group - Belgium Papier peint pré-gaufré imprimé numériquement
WO2017017226A1 (fr) * 2015-07-28 2017-02-02 Grandeco Wallfashion Group - Belgium Procédé pour produire du papier peint avec un minimum d'effets indésirables
RU2708270C2 (ru) * 2015-07-28 2019-12-05 Грандеко Уолфэшн Груп - Бельджиэм Обои с цифровой печатью и предварительно нанесенным тиснением
CN108928146A (zh) * 2016-11-29 2018-12-04 安徽紫荆花壁纸股份有限公司 一种图案多样、色彩丰富的墙布加工方法
CN108928146B (zh) * 2016-11-29 2022-05-06 安徽紫荆花壁纸股份有限公司 一种图案多样、色彩丰富的墙布加工方法

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