Study on the effects of SO<sub>2gas</sub> on silk fabrics

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Study on the effects of SO2gas on silk fabrics
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Affiliation:(1. Institute of Cultural Relics Protection Materials, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China; ;2. Key Scientific Research Base of the Museum Environment, State Administration for Cultural Heritage,Shanghai Museum,Shanghai 200050,China)
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Abstract:

SO_2gas in the air has harmful effects on silk fabrics relics. In this study various silk fabrics samples were tested in 50μmol/mol of SO_2gas in air for various periods of time. Analytical techniques include chromatic aberration analysis, infrared analysis, amino acid analysis and xray diffraction (XRD) were usedto characterize the samples. The silk fabric sample underwent dry heat aging on 40℃ for 50days. It is concluded that the greatest change happens as the time increases:both the amino acids and the crystallinity of the silk fabric sample change in the presence of SO_2as the degree of aging increased.

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Received:November 16,2012
Revised:December 28,2012
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Online: December 04,2013
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