Textile ageing due to atmospheric gases and particles in indoor cultural heritage

Uring, Pauline; Chabas, Anne; Alfaro, Stéphane C.

doi:10.1007/s11356-021-15274-7

Cited by 5 publications

(4 citation statements)

References 95 publications

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“…The Raman spectra acquired after the ageing are comparable to those at t0, and are therefore unable to show effects of the photo-oxidation. Although previous works suggested considering the peaks related to tyrosine at 855, 830 and 645 cm −1 to track light-induced degradation through Raman spectroscopy [22,43,57], no significant changes were noted at these wavenumbers. In general, the Raman intensity of the tyrosine peaks was relatively low, and the signal noisy, possibly due to the relatively low abundance of tyrosine in Bobyx mori silk fabrics (up to 5% or less [20]).…”

Section: Light Ageingmentioning

confidence: 77%

Evaluating the Impacts of Alcohol-Based Solutions on Silk: Chemical, Mechanical and Wettability Changes before and after Artificial Ageing

et al. 2022

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Due to the COVID-19 pandemic, since 2020, alcohol-based sanitisers have been frequently used in museums and historic sites. Although they provide a safer environment for visitors, the impact of the (components in) sanitisers on the cultural heritage on open display is still uncertain. The current study investigated the effects of ethanol and isopropanol solutions on silk artefacts specifically in relation to possible mechanical changes and to their long-term impact based on artificial ageing. Thus, samples from three modern silk fabrics were treated through spraying and immersion with six solutions, two of which contained benzalkonium chloride (BZK), a surfactant suggested by Italian national guidelines in the formulation of sanitisers for museums. The impact of the treatment was studied from a chemical perspective, i.e., through spectroscopic techniques, and considering changes in the mechanical strength through uniaxial tensile testing. In addition, water wettability was measured. To study whether the contact with the solutions can affect the degradation path of silk, after the treatment, samples were exposed to light ageing and were stored at medium and high RH, i.e., 55% and 80%. Furthermore, treated and untreated silk textiles were placed in the Museum of Palazzo Mocenigo (Venice) to define the behaviour in an actual museum environment. The results show that, even when silk is immersed in the solutions for 180 min, no relevant chemical and physical changes can be observed on silk fibres. Variations noted at the end of the light ageing occurred regardless of the treatments with the solutions, so they are not affected by the contact with sanitisers. Nevertheless, when treating the samples (also through spraying) with solutions containing BZK, the surfactant is adsorbed by the textile. Once adsorbed, BZK significantly increases the water wettability of silk, causing a persistent modification of the property as also observed at the end of the ageing and in situ tests.

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Section: Light Ageingmentioning

confidence: 77%

Evaluating the Impacts of Alcohol-Based Solutions on Silk: Chemical, Mechanical and Wettability Changes before and after Artificial Ageing

et al. 2022

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“…Figure 6 shows an example. In addition, the presence of contaminants [15,47,48] and the processing of the fibre [55] could have some influence on the spectra. It is known that FTIR signal is influenced by the treatment of natural fibres with different reagents [87,89], even if historical methods are not reported to use chemicals [5,66].…”

Section: Variability Of Natural Cellulose Fibresmentioning

confidence: 99%

“…Water ν (cm −1 ) Cotton ν (cm −1 ) Viscose ν (cm −1 ) Assignment 3600-3560 ν OH, loosely bound water [20] 3484, sh ν O(6)H, free or weekly bound (primary alcohol) 3440, sh ν O(2)H, free or weekly bound (secondary alcohol) [45] 3460 [44,45,47,49] 3375-3340 [44,45,47,49] Table 2. Cont.…”

Section: Table 2 Atr-ftir Signals Of Water Interaction With Cellulose...mentioning

confidence: 99%

“…In particular, ATR-FTIR spectroscopy is used to give chemical information about archaeological textiles, whose morphology is often very decayed due to the biological attack [33,40,41,[44][45][46]. ATR-FTIR analysis permits also to detect a small amount [15] of dyes, mordants, contaminants, and dirt [47,48] such as gypsum, kaolin, and various organic materials which can adhere to historical textiles [45] and papers [49].…”

Section: Introductionmentioning

confidence: 99%

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Differentiating between Natural and Modified Cellulosic Fibres Using ATR-FTIR Spectroscopy

et al. 2022

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This paper presents the limitations and potential of ATR-FTIR spectroscopy applied to the study of cellulosic textile collections The technique helps to differentiate natural fibres according to the content of lignin, pectin, hemicellulose, and wax, although some problematic issues should be considered. The spectral differences derived from the environmental humidity uptake and the plant composition are reviewed and discussed in the light of new experimental data. Diagnostic bands are proposed that can discriminate between different fibres from different plants. The contribution of ageing is also considered, demonstrating that sometimes aged fibres cannot be reliably recognised. In contrast, the potential of ATR-FTIR spectroscopy to discriminate between natural and modified fibres is discussed and proven. The best results were obtained when microinvasive ATR-FTIR spectroscopy was coupled with SEM observations. The proposed protocol was tested on microsamples of various cellulosic materials from traditional Japanese samurai armours dating from the 16th to the 20th centuries (Morigi Collection, Museo delle Culture, Lugano, Switzerland). The results facilitated a complete characterisation of the materials and demonstrated that the protocol can be used to study a wide variety of cellulosic materials, including both natural and man-modified fibres, and paper.

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Historical silks: a novel method to evaluate their condition with ATR-FTIR spectroscopy and Principal Component Analysis

Geminiani,

Campione,

Corti

et al. 2024

Journal of Cultural Heritage

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Textile ageing due to atmospheric gases and particles in indoor cultural heritage

Cited by 5 publications

References 95 publications

Evaluating the Impacts of Alcohol-Based Solutions on Silk: Chemical, Mechanical and Wettability Changes before and after Artificial Ageing

Evaluating the Impacts of Alcohol-Based Solutions on Silk: Chemical, Mechanical and Wettability Changes before and after Artificial Ageing

Differentiating between Natural and Modified Cellulosic Fibres Using ATR-FTIR Spectroscopy

Historical silks: a novel method to evaluate their condition with ATR-FTIR spectroscopy and Principal Component Analysis

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