EP2625155A1 - Carreau en céramique pourvu d'un revêtement organique et son procédé de fabrication - Google Patents

Carreau en céramique pourvu d'un revêtement organique et son procédé de fabrication

Info

Publication number
EP2625155A1
EP2625155A1 EP11773219.8A EP11773219A EP2625155A1 EP 2625155 A1 EP2625155 A1 EP 2625155A1 EP 11773219 A EP11773219 A EP 11773219A EP 2625155 A1 EP2625155 A1 EP 2625155A1
Authority
EP
European Patent Office
Prior art keywords
layer
ceramic tile
protective layer
unglazed
applying
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Withdrawn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
EP11773219.8A
Other languages
German (de)
English (en)
Inventor
Ruslan Yun
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.)
Petraluxe GmbH
Original Assignee
Petraluxe 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 Petraluxe GmbH filed Critical Petraluxe GmbH
Publication of EP2625155A1 publication Critical patent/EP2625155A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions

Definitions

  • the present invention relates to a ceramic tile made of porcelain stoneware shards whose surface is at least partially provided with a decorative layer and which has a transparent protective layer covering the decorative layer and the surface.
  • An object of the present invention is to provide a ceramic tile whose surface is provided with a decorative layer and a transparent protective layer covering the decorative layer and the surface, in which these disadvantages are at least partially eliminated.
  • a transparent protective layer is applied in a wet-paint process using an organic coating material, wherein the surface of the tile to be coated at least partially has a decorative layer, but is unglazed.
  • This simple structure makes it possible, on the one hand, to use highly brilliant decorative and in particular also printing inks, with which virtually any desired motif can be displayed permanently and photorealistically, and, on the other hand, to protect this motif with a transparent organic coating.
  • a very strong adhesive bond between the individual layers, namely ceramic tile, decorative layer and protective layer can be realized and the positive tile material properties (hardness, stability) can be combined with the properties of an organic coating (for example transparency, impact resistance, skid resistance) and modern printing processes.
  • claims 2 to 6 relate to embodiments that relate in particular to the protective cover layer.
  • PU materials for this protective layer are very suitable in that they can be adjusted in terms of their properties such as strength, toughness, impact resistance, transparency and gloss in a very wide range.
  • the protective layer is sprayed on in several individual layers, a high overall layer thickness can be achieved. It is also possible to carry out individual layers with different material properties. Thus, e.g. a particularly strong top layer can be used while, the intermediate layers have a particularly high El asti quality aufwei sen.
  • the protective layer is applied in a casting process, a high layer thickness can be achieved in one operation.
  • the surface can be melted in a flame polishing process prior to final curing and thus smoothed.
  • a total layer thickness of the protective layer of 20 ⁇ up to 2 mm provides an adjustable protective effect for the decor while high transparency and allows one, especially in the high layer thickness range, depth effect that makes the underlying decor look even more plastic.
  • Claims 7 and 8 relate to the color composition and the decorating technique.
  • Organic dyes and in particular modern printing inks allow decors with the complete color range applicable in the printing sector.
  • inkjet printing processes it is also possible to apply very large decors with the highest resolution and display quality on tile formats of up to 2.40 mx 1.20 m.
  • a flame-pyrolytically applied silicon-organic layer can be provided.
  • This silane compounds are decomposed in a flame and deposited as silicates on the surface.
  • Such a thin, highly crosslinked silicate layer improves the permanent bond with dyes and lacquer layers.
  • a primer e.g., organic primer
  • the use of a primer according to claim 10 can further improve the adhesion on the silicate layer, but also the adhesion of the individual layers to one another or to the unglazed surface of the ceramic shard.
  • the claims 1 1 to 14 relate to methods and process variants for producing the ceramic tile according to the invention. Embodiments of the present invention will be explained with reference to the drawing. The schematic and not to scale representations in FIG.
  • FIG. 2 shows the coating detail A shown in FIG. 1, FIG.
  • FIG. 3 shows the coating detail B shown in FIG. 1, FIG.
  • FIG. 4 shows the coating detail C shown in FIG. 1, and FIG.
  • FIG. 5 shows a flow chart of the method according to the invention.
  • the ceramic tile 1 illustrated in FIG. 1 comprises the porcelain stoneware shards 2 whose unglazed surface 3 is provided with a decorative layer 4 and a transparent protective layer 5. Between the decorative layer 4 and the unglazed surface 3, an adhesion-promoting intermediate layer 6 (possibly also multi-layered) may optionally be provided, the structure of which will be explained below.
  • Porcelain stoneware has a very low water absorption (less than 0.5 wt.% Or even less than 0.1 wt.%), which makes a ceramic tile made of it extremely frost resistant. In addition, a very high breaking strength is given because porcelain stoneware is a completely sintered through and very compact material.
  • the surface 3 and the entire tile body is extremely flat and therefore also suitable for very large formats (up to 2.40 x 1.20 m in thicknesses between 4 and 30 mm) for coating processes, the very tight tolerances during application allow a coating (this includes, for example, large format inkjet printers).
  • the unglazed surface 3 may be untreated or ground after firing.
  • FIG. 2 shows the structure of the optionally arranged adhesion-promoting intermediate layer 6, which has a silicate layer 7 applied to the unglazed surface 3 by flame pyrolysis has, additionally on the adhesion promoter 8 (eg, an organic primer) is applied.
  • Silicate layer 7 and adhesion promoter 8 together form the adhesion-promoting intermediate layer 6. In other embodiments, only the adhesion promoter 8 or the silicate layer 7 is provided.
  • the actual decorative layer 4 is applied, which in turn is in turn provided with a bonding agent 8.
  • the decorative layer 4 is applied in another embodiment directly on the unglazed surface 3 of the cullet 2.
  • the decorative layer 4 is applied using suitable inks in an ink-jet printing process (for example, multi-color printing) and thus can be any desired motif.
  • the decorative layer 4 can also contain metallic components or metal particles which are additionally applied either during printing or in a separate operation.
  • the cover layer 52 is somewhat thicker in the exemplary embodiment and has a smoothed surface 53.
  • the protective layer 5 or the individual layers 51 and the cover layer 52 are formed from a PU material, which can be sprayed on or also poured, in order to realize a higher layer thickness and to better compensate for possible unevenness.
  • a typical layer structure of the protective layer 5 has, for example, a plurality of intermediate layers 51 with a layer thickness between 20 and 50 ⁇ m and a cover layer 52 with a layer thickness between 20 and 500 ⁇ m. Thus, total layer thicknesses between 20 ⁇ and a few millimeters can be realized.
  • the cover layer 52 During the final flame polishing of the cover layer 52, its surface 53 is melted with a flame prior to the final curing, so that possibly embedded gas inclusions are opened and smoothed therein and wave-like surface structures are leveled.
  • the main process steps are framed by a solid line and optional process steps are shown by a dashed line.
  • a porcelain stoneware shard 2 with unglazed surface 3 is provided.
  • the decorative layer 4 and then the transparent protective layer 5 are applied in a wet paint process using an organic coating material.
  • a plurality of individual layers 51, 52 can be applied in a spraying process and, alternatively or additionally, a cover layer 52 in a casting process, which can then be flame-polished.
  • an additional silicon organic layer 7 (silicate layer) can be applied to the unglazed surface 3 by means of flame pyrolysis, and an adhesion promoter 8 can be applied to one or more of the following: the unglazed surface 3, the silicon organic layer 7 and / or the decorative layer 4th

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Finishing Walls (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

La présente invention concerne un carreau en céramique (1) constitué de pâte de grès cérame fin (2) dont la surface (3) est pourvue au moins en partie d'une couche décorative (4) et qui présente une couche protectrice (5) transparente recouvrant la couche décorative (4) et la surface (3). Selon l'invention, la couche protectrice (5) transparente est appliquée dans un procédé de vernissage humide en utilisant un matériau de revêtement organique et la surface (3) de la pâte de grès cérame fin (2) n'est pas émaillée. L'invention concerne également un procédé de fabrication d'un tel carreau en céramique (1).
EP11773219.8A 2010-10-06 2011-10-05 Carreau en céramique pourvu d'un revêtement organique et son procédé de fabrication Withdrawn EP2625155A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010047640A DE102010047640A1 (de) 2010-10-06 2010-10-06 Keramikfliese mit organischer Beschichtung und Verfahren zu deren Herstellung
PCT/EP2011/067370 WO2012045767A1 (fr) 2010-10-06 2011-10-05 Carreau en céramique pourvu d'un revêtement organique et son procédé de fabrication

Publications (1)

Publication Number Publication Date
EP2625155A1 true EP2625155A1 (fr) 2013-08-14

Family

ID=44872294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11773219.8A Withdrawn EP2625155A1 (fr) 2010-10-06 2011-10-05 Carreau en céramique pourvu d'un revêtement organique et son procédé de fabrication

Country Status (3)

Country Link
EP (1) EP2625155A1 (fr)
DE (1) DE102010047640A1 (fr)
WO (1) WO2012045767A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20120050A1 (it) * 2012-03-01 2013-09-02 R B S R L Procedimento di rivestimento per rivestire oggetti ornamentali realizzati con materiali lapidei
LU100493B1 (de) * 2017-10-23 2019-04-25 Gerhart Edith Verfahren und Vorrichtung zum Herstellen eines, insbesondere kreamischen, Pflanzengefässes sowie, insbesondere keramisches, Pflanzengefäss mit einer Beschichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421557C1 (de) * 1994-06-20 1995-08-17 Osmetric Entwicklungs Und Prod Verfahren zum Glasieren von Keramikfliesen
DE19719342A1 (de) 1997-05-07 1998-11-12 Mze Engineering Fuer Verfahren Verfahren zum Aufbringen eines Überzugs aus zumindest zwei durch Strahlung vernetz- und härtbaren Schichten auf eine Keramikfliese
DE102004054075A1 (de) 2004-11-05 2006-05-11 Sura Instruments Gmbh Verfahren zur Pulverlackbeschichtung auf Glas und/oder Keramikoberflächen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012045767A1 *

Also Published As

Publication number Publication date
DE102010047640A1 (de) 2012-04-12
WO2012045767A1 (fr) 2012-04-12

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