The Age of Plastic: Ingenuity and Responsibility, Proceeding of the 2012 MCI Symposium

doi:10.5479/si.19492367.7

Smithsonian Contributions to Museum Conservation

2017

DOI: 10.5479/si.19492367.7

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The Age of Plastic: Ingenuity and Responsibility, Proceeding of the 2012 MCI Symposium

Abstract: Smithsonian Institution Scholarly Press s m i t h s o n i a n c o n t r i b u t i o n s t o m u s e u m c o n s e r v a t i o n • n u m b e r 7The Age of Plastic: Ingenuity and Responsibility

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Cited by 2 publications

References 52 publications

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Characterizing historical textiles and clothing with proteomics

Solazzo

2019

Cons. Património

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This paper is a review of proteomics and mass spectrometric techniques used for the study of historical textiles and garments. First applied on archaeological animal fibers over a decade ago, proteomics has made important contributions to the analysis of ancient proteins and to cultural heritage studies. The field of proteomics has the potential to give a better understanding of the modes of fabrication of ancient textiles, their composition and pathways of degradation, as well as the development of animal fibers through domestication and breeding. This review summarizes current analytical methods, describes the different sources of animal fibers and their biomolecular characteristics and methods of analysis, and finally presents the main applications of proteomics to historical clothing.

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Characterizing historical textiles and clothing with proteomics

Solazzo

2019

Cons. Património

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Transparent Figures: Researching and Preserving Objects of Cellulose Acetate

Kemper

Herm

2023

Polymers

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In 1935, the Deutsches Hygiene-Museum Dresden began to produce the so-called Transparent Figures, which became icons of the 20th century. This study aims to explore the effects of external agents such as humidity and temperature on the aging mechanism of the materials of the Transparent Figures and to slow it down through preventive measures. The focus is on cellulose acetate (CA), which was used for the outer skin of the Transparent Figures. The original objects were investigated using FTIR, Raman, and GC–MS. On some Transparent Figures, liquid leakage of additives occurs when the relative humidity rises above 50–60% RH and is accompanied by a release of acetic acid. Based on these findings, original CA used for the production of the Transparent Figures was artificially re-aged at 70 °C while varying the relative humidity. The specimens were analyzed with colorimetry and GC–MS. Additive content, degree of substitution and degree of polymerization were determined. The results showed that the degradation is slowed down at 30% RH compared to aging at 50% RH or 70% RH. Thus, lowering the relative humidity seems effective in slowing down the degradation of the CA of the Transparent Figures. A relative humidity of 30% RH and a temperature of 15 °C are recommended.

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The Age of Plastic: Ingenuity and Responsibility, Proceeding of the 2012 MCI Symposium

Abstract: Smithsonian Institution Scholarly Press s m i t h s o n i a n c o n t r i b u t i o n s t o m u s e u m c o n s e r v a t i o n • n u m b e r 7The Age of Plastic: Ingenuity and Responsibility

Cited by 2 publications

References 52 publications

Characterizing historical textiles and clothing with proteomics

Characterizing historical textiles and clothing with proteomics

Transparent Figures: Researching and Preserving Objects of Cellulose Acetate

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