Abstract
Neste trabalho mostram-se algumas aplicações do dióxido de carbono, quer líquido quer supercrítico, na área da conservação e restauro. O CO2tem sido testado e aplicado em processos de conservação e restauro tais como limpeza, protecção e consolidação de uma grande variedade de materiais. Os resultados obtidos provaram que este novo solvente tem um grande potencial como solvente alternativo aos usados nos processos de conservação convencionais. Apresentam-se assim os resultados mais significativos na conservação e restauro de artefactos de madeira, papel, pedra, têxteis e bens etnográficos. O conjunto destes estudos evidencia bem o importante contributo que os processos tecnológicos utilizando CO2, seja líquido ou supercrítico, terá na construção de um desenvolvimento sustentável da conservação do nosso património cultural.
Herein we present a survey of reported work covering specific applications of liquid and supercritical carbon dioxide (scCO2) in artconservation. CO2has been tested and applied in a wide range of materials, as well as in various steps of a conservation / restorationope-ration, such as cleaning, protection and consolidation, and it has been demonstrated that CO2has a great potential in replacing cur-rent conventional conservation processes. In this paper we will present some of the main results published in literature, concerning CO2 applications for the conservation and restoration of paper, wood, waterlogged, ethnographic materials, stone and textiles.
Herein we present a survey of reported work covering specific applications of liquid and supercritical carbon dioxide (scCO2) in artconservation. CO2has been tested and applied in a wide range of materials, as well as in various steps of a conservation / restorationope-ration, such as cleaning, protection and consolidation, and it has been demonstrated that CO2has a great potential in replacing cur-rent conventional conservation processes. In this paper we will present some of the main results published in literature, concerning CO2 applications for the conservation and restoration of paper, wood, waterlogged, ethnographic materials, stone and textiles.
Translated title of the contribution | upercritical carbon dioxide: the art of technology in art conservation |
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Original language | Portuguese |
Pages (from-to) | 3-9 |
Number of pages | 7 |
Journal | Conservar Património |
Volume | 6 |
Publication status | Published - Dec 2007 |
Keywords
- Dióxido de carbono supercrítico
- Limpeza de têxteis
- Desacidificação do papel
- Resíduos de pesticidas
- Conservação de madeira
- Química verde
- Supercritical carbon dioxide
- Textiles cleaning
- Paper deacidification
- Pesticide residues
- Wood conservation
- Green chemistry