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Development of a new antigraffiti system, based on traditional concepts, preventing damage of architectural heritage materials

Cel

Graffiti is a major, increasing danger to architectural heritage materials, generating also a negative social connotation. Apart from aesthetics aspects, interactions of graffiti with substrate, as well as cleaning procedures, threaten historical substance . Monuments made of stone, bricks and mortars are menaced by this problem because very often, porous natural materials were employed. Two major kind of coatings are currently being used for protecting surfaces against graffiti: permanent and sacrificial. First kind is suited for materials with low porosity, as metals and concrete, but does not fit the requirements for porous ancient materials. Second one is sometimes used in monuments, but it is not an appropriated solution, since removal procedures can da mage substrates somewhat. Hence, effective solutions for anti-graffiti systems is an urgent social and technical necessity. The main objective of this project is to develop novel conservation coatings suited for protecting materials of historical monuments , based on a similar structure of ancient protein coatings, avoiding the disadvantages of currently used antigraffiti coatings . This develop is based in a totally new formulation made by complexation of polyampholytes with polymeric amines modified by flu orocarbon residues. These will be a new generation of antigraffiti coatings, specifically suited for the protection of monuments, which after further development, could be commercialised and applied by SME's involved in this market, thus increasing the com petitiveness of these companies. Main characteristics of these products are: Low surface energy Permanent under out-door conditions Reversible to specially designed mild cleaning systems Permeable to water-vapour Impermeable to liquid water Transparent The objective will be achieved by means of research activities, such as: Definition of requirements and test procedures, design of new anti-graffiti system, characterisation of substrates, comparative

Zaproszenie do składania wniosków

FP6-2003-SSP-3
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Koordynator

FUNDACION LABEIN
Wkład UE
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Adres
Parque Tecnológico de Bizkaia, Calle Geldo, Edificio 700
DERIO
Hiszpania

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