FR2643899A1 - Renovation of external marble and stone - Google Patents

Renovation of external marble and stone Download PDF

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Publication number
FR2643899A1
FR2643899A1 FR8902641A FR8902641A FR2643899A1 FR 2643899 A1 FR2643899 A1 FR 2643899A1 FR 8902641 A FR8902641 A FR 8902641A FR 8902641 A FR8902641 A FR 8902641A FR 2643899 A1 FR2643899 A1 FR 2643899A1
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Prior art keywords
marble
stone
coating
renovation
external
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FR8902641A
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French (fr)
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FR2643899B1 (en
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CREA ERIC
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52Multiple 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

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

Abstract

Process for reviving facades made of marble and marblelike stone which are dulled by inclement weather, by application of a polyurethane-based coating. Rubbing-down with abrasives to remove the impurities and the saltpetre deposited at the surface, forming a film.

Description

Matériau de prédilection pour les Architectes et Décorateurs qui en feront toujours le plus large usage, le marbre et les pierres marbrières trouvent, aujourd'hui encore, de multiples emplois dans la construction, l'industrie funéraire et l'ameublement, emplois qu'ils doivent à leurs qualités techniques et décoratives et à des prix comparables à ceux des matériaux de bonne qualité. The material of choice for Architects and Decorators who will always make the widest use of it, marble and marble stones still find today multiple jobs in construction, the funeral industry and furniture, jobs they owe to their technical and decorative qualities and at prices comparable to those of good quality materials.

Les principaux usages auxquels sont destinées les roches dites pierres marbrières sont
- Le bâtiment : les revêtements intérieurs ou extérieurs, lisses ou moulurés, posés sur des matériaux moins nobles; des manteaux de cheminée simples ou ouvragés, des dallages, tout ou partie d'escaliers, des pilastres, des colonnes, des bancs, des consoles, etc...
The main uses for which so-called marble stones are intended are
- The building: interior or exterior coverings, smooth or molded, placed on less noble materials; simple or ornate mantels, paving, all or part of stairs, pilasters, columns, benches, consoles, etc ...

- L'ameublement : des tablettes, des dessus de meubles, des accessoires de bureau, de la pendulerie, des appareils sanitaires, et même des glacières. - Furniture: shelves, tops of furniture, office accessories, clocks, sanitary appliances, and even coolers.

- Les monuments funéraires : des monuments entiers ou des plaques commémoratives, des jardinières, des stèles, des statues, etc... - Funeral monuments: entire monuments or commemorative plaques, planters, stelae, statues, etc.

- Les monuments culturels : édification d'autels, de fonts baptismaux, statues, etc... - Cultural monuments: building altars, baptismal fonts, statues, etc.

La résistance aux intempéries des roches et notamment des calcaires a fait l'objet d'études nombreuses et importantes. The weather resistance of rocks and in particular limestones has been the subject of numerous and important studies.

Dans toute roche calcaire, meme compacte, il existe de nombreux canaux capillaires qui communiquent entre eux. Ces canaux peuvent absorber l'eau ou l'humidité et les transmettreà l'intérieur de la roche. In any limestone rock, even compact, there are many capillary channels which communicate with each other. These channels can absorb water or moisture and transmit them inside the rock.

Quand, comme c'est presque toujours le cas, l'eau est chargée de gaz carbonique, elle dissout, dans la pierre, un peu de carbonate de chaux. When, as is almost always the case, the water is loaded with carbon dioxide, it dissolves a little carbonate of lime in the stone.

Lorsqu'une roche est poreuse et qu'elle absorbe l'eau, celle-ci gèle pendant l'hiver et, augmentant alors de volume, fait éclater des parties de la roche. C'est là le phénomène général, mais les détériorations se manifestent de façon différentes. Parfois les roches s 'égrènent au pourtour : c'est le cas de roches tendres ou de roches formées d'éléments durs réunis par un ciment tendre, comme les grès qui contiennent du calcaire. When a rock is porous and it absorbs water, it freezes during the winter and, increasing in volume, burst parts of the rock. This is the general phenomenon, but deterioration manifests itself in different ways. Sometimes the rocks are shattered around the perimeter: this is the case of soft rocks or rocks formed of hard elements joined by a soft cement, like sandstones which contain limestone.

Tantôt la roche se divise en fragments irréguliers plus ou moins gros, tantôt elle se divise en plaquettes. Sometimes the rock divides into more or less large irregular fragments, sometimes it divides into platelets.

Les fumées sont, en général, acides et les effets de cette acidité sur les pierres se trouvent accrus quand les fumées entrent en contact avec l'air humide.  Fumes are generally acidic and the effects of this acidity on stones are increased when the fumes come into contact with humid air.

On sait que les acides attaquent les calcaires ; les pierres souffrent donc des fumées, surtout dans les parties de l'édifice qui se trouvent en fort relief, dans les parties constamment à l'ombre et dans les parties où l'humidité du sol nonte par capillarite.  We know that acids attack limestones; the stones therefore suffer from smoke, especially in the parts of the building which are in high relief, in the parts constantly in the shade and in the parts where the humidity of the soil is formed by capillarite.

La présente invention a pour objet un procédé permettant d'obtenir la protection efficace des façades en marbre et pierres marbrières, c'est-à-dire les mêmes effets que le polissage traditionel. Néanmoins le polissage traditionel a révélé que la brillance n'avait pas un effet durable à l'extérieur, il est nécessaire de renouveler leurs polissages périodiquement afin d'obtenir le but visé. The present invention relates to a method for obtaining effective protection of facades in marble and marble stones, that is to say the same effects as traditional polishing. Nevertheless the traditional polishing revealed that the shine did not have a lasting effect on the outside, it is necessary to renew their polishing periodically in order to obtain the aimed goal.

I1 est connu d'utiliser des vernis à base de polyuréthane pour la protection des carrosseries de véhicules, mais cette composition n'adhère pas sur le marbre et la pierre naturelle. Afin d'obtenir cette adhérence, on traite préalablement la surface avec un produit du commerce Y 560 supertrol constitué d'un mélange d'aniline et d'une résine à base de polyoxyéthylène dont le ph à une valeur de 10,2 la propriété d'accrochage des revêtements types calcaires peut s'expliquer par la présence de la résine et de l'aniline. It is known to use polyurethane-based varnishes for the protection of vehicle bodies, but this composition does not adhere to marble and natural stone. In order to obtain this adhesion, the surface is first treated with a commercial product Y 560 supertrol consisting of a mixture of aniline and a resin based on polyoxyethylene whose ph at a value of 10.2 the property d he attachment of typical limestone coatings can be explained by the presence of resin and aniline.

Le procédé comporte les étapes suivantes
on commence à égaliser suffisamment la surface sans chercher toutefois un polissage parfait. A cet effet on soumet la surface à un meulage de meule tournante ou en matière abrasive afin d'obtenir une surface propre et lisse.
The process includes the following steps
we begin to sufficiently level the surface without however seeking a perfect polish. To this end, the surface is subjected to grinding of a rotating wheel or of abrasive material in order to obtain a clean and smooth surface.

sur cette surface propre et lisse on passe une couche du mélange anili-ne résine, soit au pinceau, chiffon, éponge ou pistolet. on this clean and smooth surface we pass a layer of the anili-ne resin mixture, either with a brush, cloth, sponge or spray gun.

on sèche. we dry.

on applique du vernis au polyuréthane. polyurethane varnish is applied.

Dans le cas du marbre, pour obtenir un beau brillant, la composition est appliquée au pistolet et elle comporte les éléments suivants
- Vernis 100 %O %
- Durcisseur 30 à 50 SO / pr 1 L
- Diluant 10 à 15 % / sur la pierre qui est poreuse on peut l'appliquer au pinceau ou au pistolet.
In the case of marble, to obtain a beautiful shine, the composition is applied with a spray gun and it comprises the following elements
- 100% O% varnish
- Hardener 30 to 50 SO / pr 1 L
- Thinner 10 to 15% / on stone which is porous it can be applied by brush or spray gun.

Si elle est appliquée au pinceau, elle ne comporte pas de diluant. If applied with a brush, it does not contain thinner.

Le procédé qui vient d'être décrit convient à tous les genres de calcaires, granits, marbres, marbres reconstitués, pierres, briques etc... aussi bien qu'aux agglomérés quelle que soit leur composition.  The process which has just been described is suitable for all kinds of limestones, granites, marbles, reconstituted marbles, stones, bricks etc ... as well as for agglomerates whatever their composition.

Claims (4)

REVENDICATIONS 1) Procédé pour raviver les façades en marbre et pierres marbrières par application d'un revêtement à base de polyuréthane. Caractérisé en ce que pour obtenir une bonne adhérence du revêtement, on traite la surface avec un produit contenant un mélange (a) d'aniline et de résine à base de polyoxyéthylène. 1) Process for reviving marble and marble facades by applying a coating based on polyurethane. Characterized in that to obtain a good adhesion of the coating, the surface is treated with a product containing a mixture (a) of aniline and of resin based on polyoxyethylene. 2) Procédé selon revendication (1) caractérisé en ce que après sèchage de la couche (a) on applique le revêtement constitué de  2) Method according to claim (1) characterized in that after drying of the layer (a) the coating consisting of Vernis polyuréthane 100 % / 100% polyurethane varnish / Durcisseur , 30 à 50 % / pr 1 L  Hardener, 30 to 50% / pr 1 L Diluant ......... 10 à 15 % /  Thinner ......... 10 to 15% / 3) Procédé selon les revendications 1 et 2 car en ce que dans le cas du marbre le vernis est appliqué au pistolet. 3) Method according to claims 1 and 2 because in that in the case of marble the varnish is applied with a gun. 4) Procédé selon les revendications 1 et 2 caractérisé en ce que dans le cas de la pierre marbrière, le revêtement ne comporte pas de diluant.  4) Method according to claims 1 and 2 characterized in that in the case of marble stone, the coating does not contain any diluent.
FR8902641A 1989-03-01 1989-03-01 Renovation of external marble and stone Expired - Fee Related FR2643899B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8902641A FR2643899B1 (en) 1989-03-01 1989-03-01 Renovation of external marble and stone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8902641A FR2643899B1 (en) 1989-03-01 1989-03-01 Renovation of external marble and stone

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FR2643899A1 true FR2643899A1 (en) 1990-09-07
FR2643899B1 FR2643899B1 (en) 1992-11-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005044045A1 (en) * 2003-10-08 2005-05-19 SieMatic Möbelwerke GmbH & Co. KG Natural stone kitchen worktop

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2131032A5 (en) * 1971-03-30 1972-11-10 Ney Gyl Labor Kg Deep preservation of concrete
US3841939A (en) * 1973-01-12 1974-10-15 Commercial Shearing Method of bonding urethane elastomers
EP0081729A1 (en) * 1981-12-10 1983-06-22 Bayer Ag Use of liquid cold-setting polyurethane forming components for corrosion-retardant and wear-protecting coatings of metallic and plastics surfaces and moulded articles, and of stone and concrete
EP0287026A1 (en) * 1987-04-16 1988-10-19 Jürgen Walter Rabe Process for the protection, curing and restoration of stone constructions, monuments and the like

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2131032A5 (en) * 1971-03-30 1972-11-10 Ney Gyl Labor Kg Deep preservation of concrete
US3841939A (en) * 1973-01-12 1974-10-15 Commercial Shearing Method of bonding urethane elastomers
EP0081729A1 (en) * 1981-12-10 1983-06-22 Bayer Ag Use of liquid cold-setting polyurethane forming components for corrosion-retardant and wear-protecting coatings of metallic and plastics surfaces and moulded articles, and of stone and concrete
EP0287026A1 (en) * 1987-04-16 1988-10-19 Jürgen Walter Rabe Process for the protection, curing and restoration of stone constructions, monuments and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005044045A1 (en) * 2003-10-08 2005-05-19 SieMatic Möbelwerke GmbH & Co. KG Natural stone kitchen worktop

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Publication number Publication date
FR2643899B1 (en) 1992-11-20

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