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Issue 9, 2007
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The art of CO2 for art conservation: a green approach to antique textile cleaning

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Abstract

The use of CO2 as a dry-cleaning solvent for old silk textiles was investigated. The cleaning procedures under study were tested on the 18th century religious garments from Virgin and Child from Palácio das Necessidades, Lisbon. The effect of using different cleaning solvent streams, supercritical and liquid CO2, CO2 + isopropanol and CO2 + isopropanol + water, was evaluated concerning the dirt particles extracted, weight loss and colour variation of the scapulary samples tested. Particularly, the use of liquid CO2 and the addition of water as a co-solvent had a strong positive effect on removal of dirt particles. CO2-assisted cleaning proved to be a very safe method for the cleaning of very deteriorated silk textiles. The fibres and the textile structure were not physically damaged and the method did not promote the loss of material, which is an enormous advantage for the cleaning of textiles of historic or artistic value.

Graphical abstract: The art of CO2 for art conservation: a green approach to antique textile cleaning

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Publication details

The article was received on 01 Dec 2006, accepted on 10 Apr 2007 and first published on 08 May 2007


Article type: Paper
DOI: 10.1039/B617543K
Citation: Green Chem., 2007,9, 943-947
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    The art of CO2 for art conservation: a green approach to antique textile cleaning

    M. Sousa, M. J. Melo, T. Casimiro and A. Aguiar-Ricardo, Green Chem., 2007, 9, 943
    DOI: 10.1039/B617543K

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