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Syntetiskt pärlemor: Producerat via in situ-kristallisation
2023 (Swedish)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Synthetic nacre : Produced by in situ crystallisation (English)
Abstract [en]

This thesis describes a sequence of experiments which have been performed with the intention to produce synthetic nacre. Synthetic nacre is a biomimetic material based on nacre, a material which can be found in mollusc shells. Nacre is a nanocomposite which has improved mechanical properties compared to the principal component aragonite (95% wt%). The improved properties of nacre are derived from the polymeric components in the composite which allows from redistribution of forces under load. Carbonates sequester CO2 in the geological CO2-cycle. If precursor are sourced correctly, the CaCO3 in synthetic nacre can temporarily sequester CO2.

Crystals with the intended pseudohexagonal morphology have been synthesised. However, subsequent quantitative analysis could not support these findings in a follow-up experiment. This discrepancy might have been caused by differences in the method. Moist nanopaper was found to be mineralisable while maintaining a layered structure.

Place, publisher, year, edition, pages
2023.
Keywords [en]
Biomineralisation, Aragonite, Calcium, Carbonate, CaCO3, CNC
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:hb:diva-30068OAI: oai:DiVA.org:hb-30068DiVA, id: diva2:1781889
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Examiners
Available from: 2023-08-03 Created: 2023-07-11 Last updated: 2023-08-03Bibliographically approved

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Polymer Technologies

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CiteExportLink to record
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