ES2258914B1 - COMPOSITION AND PROCEDURE FOR THE RESTORATION OF WORKS OF ART. - Google Patents

Abstract

Composition and procedure for the restoration of works of art comprising as a latex based composition in a proportion between 85% and 99.5% and an anionic surfactant in a proportion between 0.5% and 1.5 and an additive chosen from water, ammonia, methylene chloride, an anionic surfactant and a cationic surfactant in a proportion comprised between 0.1% and 15%. Restoration procedure by applying said composition with nylon brushes forming a layer of thickness between 0.2 and 2 mm, let it act for a time between 15-20 min. And remove the formed film, repeating these operations until reaching the desired effects. Use of the composition for the restoration of works made with at least one material from the following groups: plasters, stone materials, metals, bone materials, wood, ceramic materials, glass, precious materials.

Description

Composition and procedure for restoration of works of art.

Field of the Invention

The present invention relates to a composition and a procedure for the restoration of works and, very particularly of works of art.

Background of the invention

The present invention has emerged by not finding in the prior art no compound or any method that allowed to satisfactorily solve the problems raised in the restoration of old plaster works.

Summary of the invention

The present invention proposes a composition of utility for the restoration of works comprising latex, a anionic surfactant in a proportion between 0.5% and 1.5% by weight to adapt the composition to the parameters necessary, an additive chosen from water, ammonia, chloride methylene, an anionic surfactant and a cationic surfactant, in a proportion between 0.1% and 15% by weight, taking into Account the characteristics of the material to be restored.

A preferred anionic surfactant is luril sodium sulfate

Apart from the additives mentioned, the Composition may include additional additives depending on the material to be restored and its specific conditions (for example, in the case of applications in verticals or roofs you can use a thixotropic agent) and, where appropriate, components additional as a 1% solution of a harmless natural dye to locate the small remains.

Another object of the present invention is a material restoration procedure using the Mentioned composition comprising the following steps:

- Apply the composition on the surface of the work using nylon thread brushes forming a layer of a thickness between 0.2 and 2 mm.

- Let the composition act during a time between 15 and 30 minutes, depending on the humidity and ambient temperature.

- Remove the film formed by the composition, mechanically.

- Repeat the previous steps as many times as it is necessary until reaching the desired effects.

It is also an object of the present invention the use of the mentioned composition for the restoration of works made with any of the following materials plasters, materials stone, metals, bone materials, wood, ceramic materials, Glass, precious materials.

It should be noted that the composition object of the The present invention makes it possible to effectively correct the effect of acidic elements caused by air pollution.

Among the properties of the composition according to the invention highlights the following:

- Non-stick on materials Applied

- Formation of a thin film.

- It is not toxic.

- It does not leave residues on the works.

- Safety for physical structures and Chemical materials.

- It does not erode any type of surface.

The composition is applied with thread brushes Nylon - with other types of brushes should be discarded after use as a result of latex coagulation-, so many times as necessary, until the desired effect is achieved. In Each application, the curing time will depend on the temperature and Ambient humidity ranging between 15 and 30 minutes.

The effect of the composition is as follows:

- Facilitates the disintegration of the layers of deposits of materials outside the work.

- With the penetration of the agents of the composition in the work a movement of the particles occurs that have been introduced into the surface layers.

- The particles outside the work are dragged towards the coagulated structure of the latex.

- Does not alter or erode surfaces originals

Detailed description of the invention

We will describe several examples of embodiment of the invention

Example 1

Work to restore: Terracotta work without polychromy.

Damage: Dirt due to contamination. Presence of soluble salts by prolonged exposure to high humidity relative during storage. Surface dirt and deposits solids of elements outside the work.

Performance: Application of several layers of latex natural + 1% anionic surfactant by impregnation with brushes Nylon thread.

Effect: The penetration of the water that is part of the composition of natural latex, in the internal layers of the work solubilizes and migrates to the surface during the subsequent polymer coagulation process non-work deposits contents in the structure.

At the same time the structure is broken of the layers outside the work deposited on the surface and leaves gradually removing dirt caused by agents pollutants

The following table shows a rating Quantitative process:

Application Weather T Additives Effect one twenty' 22ºC -  \ begin {minipage} [t] {84mm} Migration of soluble salts to the surface. Elimination of 20% of the dirt and all particles solid. \ end {minipage} 2 twenty' 22ºC -  \ begin {minipage} [t] {84mm} Migration of soluble salts to the surface. Elimination of 40% of the surface dirt. \ end {minipage} 3 twenty' 22ºC -  \ begin {minipage} [t] {84mm} Migration and elimination of 30% of soluble salts. 60% elimination of dirt. \ end {minipage} 4 twenty' 22ºC -  \ begin {minipage} [t] {84mm} Migration and elimination of 50% of the soluble salts. 80% elimination of dirt. \ end {minipage} 5 twenty' 22ºC -  \ begin {minipage} [t] {84mm} Migration and elimination of 70% of the soluble salts. Total elimination of the dirt. \ end {minipage} 6 twenty' 22ºC - Migration and 90% removal of soluble salts. 7 twenty' 22ºC - Elimination total soluble salts

Example 2

Work to restore: Plaster sculpture of several centuries old

Damage: Presents the following surface Compounds: Red clays dissolved in H2O, natural soaps, Linseed oil, Organic glues, Hydrocarbon waxes (bitumen Judea), Resins

Performance: Application of several layers of latex natural + 1% anionic surfactant + an additive depending on the desired effect, by impregnation with nylon thread brushes.

The following table shows the results. obtained.

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Example 3

Work to restore: Limestone rock sculpture.

Damage: surface contamination layer environmental. Structurally it presents de-cohesion and microcracks.

Performance: Application of natural latex + 1% anionic surfactant by impregnating the surface by nylon fiber brushes This process is done in applications successive until the total elimination of the elements outside the work.

Effect: The contamination layer found in the surface is broken down by the successive applications of the emulsion, facilitating its removal without mechanical means, this allows the inalterability of the surface of the work, but the Elimination of corrosive deposits, sulfides.

The following table shows a rating Quantitative process:

Application Weather T Additives Effect one twenty' 22ºC - Dishesion of the surface layer 2 twenty' 22ºC - Elimination of Solid particles. 3 twenty' 22ºC - Elimination of 10% scabs 4 twenty' 22ºC - Elimination of the scab 25% 5 twenty' 22ºC - Elimination of the scab 40% 6 twenty' 22ºC - Elimination of the scab 60% 7 twenty' 22ºC - Elimination of the scab 70% 8 twenty' 22ºC - Elimination of the scab 85% 9 twenty' 22ºC - Elimination of 100% scab

Example 4

Work to restore: Granitic ashlar exposed to the outdoor

Damage: Thick layer of surface deposits with a thickness of 3 microns thick is composed of products of environmental pollution.

Performance: Application of natural latex + 1% anionic surfactant using nylon brushes. This operation is Performs by impregnation of the face exposed to the weather.

Effect: The first application of the solution latex shows a weakening of the scab, presenting less resistance to mechanical treatments. After successive applications removal is easy, being able to perform the withdrawal of deposits only by eliminating latex.

Example 5

Work to restore: A test tube is made natural stucco (rabbit tail binder) applied in a manner classic on a wooden support in 4 layers, interspersing one in vertical and the next horizontal.

Damage: A preparation containing: Linseed oil, confiera resin and judea bitumen.

Performance: Application of natural latex + 1% anionic surfactant using nylon brushes. This operation is Performs by impregnation of the face exposed to the weather.

Effect: The succession of layers causes a partial removal of the compound applied to the specimen. It is noted irregular penetration of the preparation applied to the surface of the play. On the one hand we find scales on the surface and the more volatile compounds have penetrated the structure of the work.

The following table shows a rating Quantitative process:

Application Weather T Additives Effect one twenty' 22ºC - De-cohesion of 50% of the preparation applied on the surface. 2 twenty' 22ºC - Uncool 90% of surface particles. 3 twenty' 22ºC - Extraction of 10% of the oils of the preparation. 4 twenty' 22ºC - Extraction of 25% of the oils. 5 twenty' 22ºC - Extraction of 35% of the oils. 6 twenty' 22ºC -  \ begin {minipage} [t] {87mm} Removal of oils, a clear shade of tension persists of oils. \ end {minipage}

Example 6

Work to restore: Natural stucco

Damage: The following compounds are applied: Red clays dissolved in H2O, Natural soaps, Oil flaxseed, organic glues, hydrocarbon waxes (Judea bitumen) and Resins, to study the effect of additives.

Performance: Application of several layers of latex natural + 1% anionic surfactant + an additive depending on the desired effect, by impregnation with nylon thread brushes.

The following table shows the results. obtained.

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Similar examples have been made with works by The following materials:

Plasters: Modern plasters; plaster without polychrome; old plaster, polychrome, not polychrome; natural stucco; synthetic stucco.

Stone material: limestone, granite, alabaster, marble, cement.

Metals: iron, bronze,

Bone material.

Wood: Natural, varnished with varnishes natural, artificial, polychrome, stewed, egg tempera tail.

Ceramic material: mosaics, tiles, terracotta, with polychromy and without polychrome.

Glass: Stained glass sets.

Precious Materials: Metal Composite Jewelry and rhinestones

In all of them additives are used mentioned achieved optimal results.

The effectiveness of the composition in the following activities:

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Waste disposal in jewelry.

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Verdin removal in swimming pools.

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Protection of bodies and profiles of Doors and windows before applying paints.

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Protection of sports materials such as ski boards, golf clubs and helmets ship.

Claims (5)

1. Composition for the restoration of works, characterized in that it comprises: - latex, in a proportion between 85% and 99.5% by weight, - an anionic surfactant in a proportion between 0.5% and 1.5% by weight - an additive, selected from water, ammonia, methylene chloride, an anionic surfactant and a surfactant cationic, in a proportion between 0.1% and 15% in weight. 2. Composition for the restoration of works according to claim 1 characterized in that the anionic surfactant is sodium lauryl sulfate. 3. Composition for the restoration of works according to claim 1 or 2, characterized in that it also comprises a 1% solution of a natural dye. 4. Procedure for restoration of works using the composition object of claims 1-3, characterized in that it comprises the following steps: - Apply the composition on the surface of the work using nylon thread brushes forming a layer of a thickness between 0.2 and 2 mm; - Let the composition act during a time between 15 and 30 minutes; - Remove the film formed by the composition on the surface of the work; Y - Repeat the previous steps until reaching the desired effects 5. Use of the composition object of the claims 1-3 for restoration of works made with at least one material from the following groups: plasters, stone materials, metals, bone materials, wood, ceramic materials, glass, precious materials.