DE3006393A1 - Porous cleaning esp. building front slab prodn. - by firing porous ceramic coated with thin non-porous ceramic layer and top glaze layer - Google Patents

Porous cleaning esp. building front slab prodn. - by firing porous ceramic coated with thin non-porous ceramic layer and top glaze layer

Info

Publication number
DE3006393A1
DE3006393A1 DE19803006393 DE3006393A DE3006393A1 DE 3006393 A1 DE3006393 A1 DE 3006393A1 DE 19803006393 DE19803006393 DE 19803006393 DE 3006393 A DE3006393 A DE 3006393A DE 3006393 A1 DE3006393 A1 DE 3006393A1
Authority
DE
Germany
Prior art keywords
porous ceramic
porous
layer
esp
mass
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.)
Ceased
Application number
DE19803006393
Other languages
German (de)
Inventor
Antrag Auf Nichtnennung
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.)
GAIL AG
Original Assignee
GAIL AG
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 GAIL AG filed Critical GAIL AG
Priority to DE19803006393 priority Critical patent/DE3006393A1/en
Publication of DE3006393A1 publication Critical patent/DE3006393A1/en
Ceased 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
    • C04B41/009—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
    • C04B41/45—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
    • C04B41/80—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

Abstract

Porous ceramic prods. having bulk wt. 0.4-1.5kg/cu.dm. contain a glaze layer on at least one side of its surface. A non-porous layer is present between the glaze layer and the porous ceramic. Non-porous layer material melting temp. is above firing temp., its expansion coefft. is max. 1 times 10 power minus 6/deg.C smaller than that of the porous ceramic material and its contraction is min. 90% that of the porous ceramic material. The prods. are esp. large heat-insulating slabs for walls esp. visible, decorative building fronts. The bulk density is 0.4-1.5 kg/cubic dm. The ceramic surface requires no further treatment. The non-porous layer does not separate from the porous layer during firing and cooling, and crack-formation is prevented.

Description

Porosierte keramische Produkte Porous ceramic products

Die Erfindung betrifft porosierte keramische Produkte, insbesondere großformatige Platten für den Wandbereich, mit einem Raumgewicht von 0,4 bis 1,5 kg/dm3.The invention relates to porous ceramic products, in particular large-format panels for the wall area, with a density of 0.4 to 1.5 kg / dm3.

Porosierte keramische Produkte der vorstehend genannten Art werden wegen ihrer hohen Wärmedämmung in Verbindung mit ihren anderen werkstoffbedingten Eigenschaften bei tragendem oder nichttragendem Mauerwerk im Wohnungsbau und im gewerblichen Bau verwendet.Porous ceramic products of the aforementioned type are because of their high thermal insulation in conjunction with their other material-related Properties of load-bearing or non-load-bearing masonry in residential construction and in used commercial construction.

Bekannte porosierte keramische Produkte haben den Nachteil, daß sie sich nicht glasieren lassen, da die Glasur sich während des Glasiervorgangs und während des Brandes an die grobporige Oberfläche des keramischen Scherbens anpaßt und somit keine glatte Oberfläche bildet. Es war daher erforderlich, porosierte Ziegel oder Platten nach dem Vermauern noch mit einer Putzschicht oder einer anderen Oberflächenbekleidung zu versehen, um eine Fläche mit ansprechbarem Äußeren zu erhalten.Known porous ceramic products have the disadvantage that they cannot be glazed because the glaze will change during the glazing process and adapts to the coarse-pored surface of the ceramic body during firing and thus does not form a smooth surface. It was therefore required to be porous Bricks or slabs with a layer of plaster or another after they have been laid To provide surface cladding in order to obtain a surface with an attractive appearance.

Aufgabe der Erfindung ist es, ein Verfahren und ein nach dem Verfahren hergestelltes porosiertes keramisches Produkt vorzuschlagen, das neben seiner wärmedämmenden Wirkung die Anforderungen an das Aussehen einer Verkleidungsplatte erfüllt und auf das zumindest an der Sichtseite eine Glasur aufgebracht werden kann.The object of the invention is to provide a method and a method according to the method To propose manufactured porous ceramic product that, in addition to its thermal insulation Effect meets the requirements for the appearance of a cladding panel and on that a glaze can be applied at least on the visible side.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das poröse keramische Produkt auf mindestens einer Seite seiner Oberfläche eine Glasurschicht aufweist, daß zwischen der Glasur schicht und dem porösen keramischen Körper eine Masse aus einer nicht porösen Schicht angeordnet ist, deren Schmelztemperatur über der Brenntemperatur liegt, deren Ausdehnungskoeffizient maximal 1 x 10 6/oC kleiner ist als der der porösen keramischen Masse und daß die Schwindung der nicht porösen Masse minimal 90 % der der porösen Masse ist.According to the invention, this object is achieved in that the porous ceramic product has a layer of glaze on at least one side of its surface has that between the glaze and the porous ceramic body a layer Mass is arranged from a non-porous layer, the melting temperature of which is above the firing temperature, the expansion coefficient of which is a maximum of 1 x 10 6 / oC smaller is than that of the porous ceramic mass and that the shrinkage of the non-porous Mass is at least 90% of the porous mass.

Ein erfindungsgemäßes poröses keramisches Produkt wird in einem Arbeitsgang hergestellt. Hierzu wird zunächst auf die poröse keramische Masse eine nicht poröse keramische Masse mit den vorstehend genannten Eigenschaften aufgegeben und anschließend auf diese nicht poröse keramische Masse die die Oberfläche bildende Glasur. AnschUeßend werden alle drei Schichten in einem Arbeitsgang gebrannt.A porous ceramic product according to the invention is produced in one operation manufactured. For this purpose, a non-porous mass is first applied to the porous ceramic mass abandoned ceramic mass with the properties mentioned above and then on this non-porous ceramic mass the glaze forming the surface. Afterwards all three layers are fired in one operation.

Man erhält so eine hochwertige keramische Oberfläche, welche keiner weiteren Nachbehandlung bedarf.This gives you a high-quality ceramic surface that none further treatment is required.

Je nach Verwendungszweck kann es auch ausreichend sein, wenn die poröse keramische Masse vor dem Brennen allein mit einer nicht porösen keramischen Masse mit den angegebenen Eigenschaften überzogen wird, In jedem Fall erhält man ein Produkt, dessen Oberfläche keiner weiteren Nachbehandlung bedarf.Depending on the intended use, it can also be sufficient if the porous ceramic mass before firing alone with a non-porous ceramic mass is coated with the specified properties, in each case you get a product, its surface no other Follow-up treatment is required.

Die nicht porosierte Schicht wird vorteilhaft in einer Stärke von 0,1 bis 2 mm auf der porosierten Schicht aufgebracht. Die Emailleschicht hat in etwa die gleiche Stärke wie die nicht porosierte Schicht.The non-porous layer is advantageously in a thickness of 0.1 to 2 mm applied to the porous layer. The enamel layer has in about the same thickness as the non-porous layer.

In der Figur ist ein Schnitt durch eine erfindungsgemäß ausgebildete keramische Platte dargestellt. Diese Platte besteht aus einer porosierten Schicht 1, deren Stärke je nach den gestellten Anforderungen gewählt wird. Auf diese porosierte Schicht 1 wird eine Schicht 2 aus einer nicht porosierten Masse aufgebracht, die die im Anspruch angegebene Schmelztemperatur, Ausdehnung und Schwindung aufweisen muß, damit beim Trocknen, Brennen und beim anschließenden Abkühlen die nicht porosierte Masseschicht sich nicht von der porosierten ablöst und sich in der aufgebrachten Masseschicht keine Risse bilden. Auf diese Masseschicht wird anschließend eine Glasur aufgebracht, die in üblicher Weise ausgebildet ist.The figure shows a section through one designed according to the invention ceramic plate shown. This plate consists of a porous layer 1, the strength of which is chosen according to the requirements. On this porous Layer 1, a layer 2 of a non-porous mass is applied, the have the melting temperature, expansion and shrinkage specified in the claim must, so that the non-porous during drying, firing and subsequent cooling Mass layer does not detach itself from the porous and is in the applied Ground layer do not form cracks. A glaze is then applied to this layer of mass applied, which is formed in the usual way.

Sollen mehrere Flächen der dargestellten keramischen Platten als Sichtflächen dienen, so werden an deren Seitenflächen entsprechende Schichten aufgebracht.Should several surfaces of the ceramic plates shown be used as visible surfaces serve, corresponding layers are applied to their side surfaces.

Claims (3)

Ansprüche: 1. Porosierte keramische Produkte, insbesondere großformatige Platten für Sichtflächen von Bauten, mit einem Raumgewicht von 0,4 bis 1,5 kg/dm3, dadurch gekennzeichnet, daß das keramische Produkt auf mindestens einer Seite seiner Oberfläche eine Glasur schicht (3) aufweist, daß zwischen der Glasurschicht (3) und dem porosierten keramischen Körper eine Masse aus einer nicht porosierten Schicht (2) angeordnet ist, deren Schmelztemperatur über der Brenntemperatur liegt, deren Ausdehnungskoeffizient maximal 1 x 10-6/OC kleiner ist als der der porosierten keramischen Masse und daß die Schwindung der nicht porosierten keramischen Masse minimal 90 % der der porosierten keramischen Masse beträgt.Claims: 1. Porous ceramic products, especially large-format ones Panels for visible surfaces of buildings, with a density of 0.4 to 1.5 kg / dm3, characterized in that the ceramic product on at least one side of it Surface has a glaze layer (3) that between the glaze layer (3) and the porous ceramic body is a mass of a non-porous layer (2) is arranged whose melting temperature is above the firing temperature, whose The coefficient of expansion is a maximum of 1 x 10-6 / OC smaller than that of the porous ceramic Mass and that the shrinkage of the non-porous ceramic mass is at least 90 % of the porous ceramic mass. 2. Porosiertes keramisches Produkt nach Anspruch 1, dadurch gekennzeichnet, daß die Schichtdicke der nicht porosierten keramischen Masse 0,1 bis 2 mm und deren Raumgewicht 2,0 bis 2,5 g/cm3 beträgt.2. Porous ceramic product according to claim 1, characterized in that that the layer thickness of the non-porous ceramic mass 0.1 to 2 mm and their Density is 2.0 to 2.5 g / cm3. 3. Verfahren zur Herstellung eines porosierten keramischen Produktes nach Anspruch 1, dadurch gekennzeichnet, daß auf die porosierte keramische Schicht eine dünne Schicht aus einer nicht porosierten keramischen Masse mit den Eigenschaften nach Anspruch 1 aufgebracht wird und daß auf diese nicht porosierte Schicht eine Glasurschicht aufgebracht wird und daß anschließend das Produkt gebrannt wird.3. Process for the production of a porous ceramic product according to claim 1, characterized in that on the porous ceramic layer a thin layer of a non-porous ceramic mass with the properties is applied according to claim 1 and that on this non-porous layer a Glaze layer is applied and that then the product is fired.
DE19803006393 1980-02-21 1980-02-21 Porous cleaning esp. building front slab prodn. - by firing porous ceramic coated with thin non-porous ceramic layer and top glaze layer Ceased DE3006393A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803006393 DE3006393A1 (en) 1980-02-21 1980-02-21 Porous cleaning esp. building front slab prodn. - by firing porous ceramic coated with thin non-porous ceramic layer and top glaze layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803006393 DE3006393A1 (en) 1980-02-21 1980-02-21 Porous cleaning esp. building front slab prodn. - by firing porous ceramic coated with thin non-porous ceramic layer and top glaze layer

Publications (1)

Publication Number Publication Date
DE3006393A1 true DE3006393A1 (en) 1981-08-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
DE (1) DE3006393A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683161A (en) * 1985-02-28 1987-07-28 Piezo Electric Products, Inc. Ceramic body with ordered pores
FR2604171A1 (en) * 1986-09-24 1988-03-25 Azienda Srl METHOD FOR PRODUCING A VITRIFIC OR ENAMELLED CERAMIC TILE, AND A TILE OBTAINED BY SAID METHOD
FR2612508A1 (en) * 1987-03-20 1988-09-23 Central Glass Co Ltd MULTILAYER CELLULAR GLASS BLOCK WITH DENSE GLASS SURFACE LAYER AND METHOD OF PRODUCING THE SAME
US4875766A (en) * 1986-07-18 1989-10-24 Mitsubishi Denki Kabushiki Kaisha Fiber reinforced plastic reflector
CN111792949A (en) * 2020-07-08 2020-10-20 佛山市东鹏陶瓷有限公司 Ceramic glazed tile and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628989A (en) * 1968-10-01 1971-12-21 Ferruccio Solmi Process for the manufacture of glazed ceramic bodies, in particular tiles, with only one firing
DE2524433A1 (en) * 1974-06-06 1975-12-18 Euroc Administration Ab METHOD OF GLAZING THE SURFACE OF A CELLULAR CERAMIC BODY
DE2512597A1 (en) * 1975-03-18 1976-09-30 Schneider & Co Large expanded ceramic building panels - with dense outer zone providing high strength and good surface finish

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628989A (en) * 1968-10-01 1971-12-21 Ferruccio Solmi Process for the manufacture of glazed ceramic bodies, in particular tiles, with only one firing
DE2524433A1 (en) * 1974-06-06 1975-12-18 Euroc Administration Ab METHOD OF GLAZING THE SURFACE OF A CELLULAR CERAMIC BODY
DE2512597A1 (en) * 1975-03-18 1976-09-30 Schneider & Co Large expanded ceramic building panels - with dense outer zone providing high strength and good surface finish

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683161A (en) * 1985-02-28 1987-07-28 Piezo Electric Products, Inc. Ceramic body with ordered pores
US4875766A (en) * 1986-07-18 1989-10-24 Mitsubishi Denki Kabushiki Kaisha Fiber reinforced plastic reflector
FR2604171A1 (en) * 1986-09-24 1988-03-25 Azienda Srl METHOD FOR PRODUCING A VITRIFIC OR ENAMELLED CERAMIC TILE, AND A TILE OBTAINED BY SAID METHOD
FR2612508A1 (en) * 1987-03-20 1988-09-23 Central Glass Co Ltd MULTILAYER CELLULAR GLASS BLOCK WITH DENSE GLASS SURFACE LAYER AND METHOD OF PRODUCING THE SAME
US4833015A (en) * 1987-03-20 1989-05-23 Central Glass Company Limited Multilayer foam glass with dense glass surface layer and method of producing same
CN111792949A (en) * 2020-07-08 2020-10-20 佛山市东鹏陶瓷有限公司 Ceramic glazed tile and preparation method thereof
CN111792949B (en) * 2020-07-08 2022-02-22 佛山市东鹏陶瓷有限公司 Ceramic glazed tile and preparation method thereof

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Ipc: C04B 39/12

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