Different Natural Season Weathering of B.mori Silk Fabric

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Abstract:

Ultraviolet aging of B.mori silk fabric was researched under different natural season weathering conditions. Exposed samples were removed periodically and characterized by several analytical techniques. During different natural season weathering, the results showed that the yellowness index of B.mori silk fabric surface appeared obviously rising in natural weathering especially in summer season, reaching 28.78% higher than 25.78% of yellowness index under spring season weathering; The peak intensity of amide I and amide II significantly declined, even disappeared; And the same time, the thermal behavior of B.mori silk changed similarly under different natural season weathering; In addition, breaking strength of B.mori silk fabric decreased approximately 86.27%, 95.11% under spring and summer season weathering, respectively. So, it was obviously shown that during the summer season weathering, the natural aging rate of B.mori silk was more quickly than spring season weathering, which was helpful to understand the aging behavior and measure the correlation aging effect between spring and summer season weathering condition.

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Periodical:

Advanced Materials Research (Volumes 535-537)

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1623-1628

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June 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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