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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
ISSN Print 0034-7752
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Revista de Chimie (Rev. Chim.), Year 2009, Volume 60, Issue 1,





Conservation-restoration of Textile Materials
from Romanian Medieval Art Collections
I. Spectral characteristics of the naturally aged silk

Abstract:

The most representative pieces belonging to the thesaurus-collection of Putna Monastery - most of them donations from the part of Prince Stephan the Great and the Holly - have been selected. Some of these cultural heritage objects are dated, while others have been only written down in the documents of their time (XVth - XVIth centuries). Analysis and characterization of the micro-samples taken over for experiments aim at elucidating of the mechanisms of natural ageing. To this end, the micro-samples have been analysed by FTIR spectrometry, for the identification of the materials and of their extent of damage. The destructive, hydrolysis - and denaturation - type processes have been evidenced by the spectral characteristics specific to amides I and II, and also to the hydroxylic groups. An important observation was that the samples taken over from objects with pronounced functional wear and tear have suffered processes of hydrolysis and denaturation of the polypeptidic chain. A correlation has been established between the degradation of the polypeptidic chain and the manner in which the object had been utilized. Keywords: textile materials, IR spectral analysis, natural ageing, silk

Issue: 2009, Volume 60, Issue 1
Pages:
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