Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time?

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F19%3A43919223" target="_blank" >RIV/60461373:22310/19:43919223 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1080/00393630.2018.1544430" target="_blank" >https://doi.org/10.1080/00393630.2018.1544430</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1080/00393630.2018.1544430" target="_blank" >10.1080/00393630.2018.1544430</a>

Result language
angličtina
Original language name
Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time? Why Do Historical Beeswax Seals Become Brittle Over Time?
Original language description
Mechanical properties of aged beeswax were studied by an indirect measurement, using hydrogenated beeswax as a model material. The adequacy of the model was evaluated by comparison of its chemical composition and thermal properties with those of samples of historical beeswax. It was found that the gradual decrease in content of unsaturated compounds in beeswax contributes significantly to changes of its mechanical properties. As a consequence, beeswax artefacts become increasingly prone to mechanical damage during natural ageing. Understanding the difference between mechanical properties of recent and historical beeswax is primarily important from the point of view of safe handling and storage of such artefacts. Besides, this knowledge could help conservation scientists, e. g. when preparing model samples for testing new conservation methods.
Czech name
—
Czech description
—

Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10401 - Organic chemistry

Project
<a href="/en/project/DG16P02R040" target="_blank" >DG16P02R040: Development of conservation methods for seals and textile materials used for their attachment</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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