Aufsatz/Buch
Soppa, Karolina:
Vornetzen und Vorabsperren während der Klebung von saugenden Schichten – untersucht am Beispiel von Kreidegrund auf Leinwand
Pre-wetting and masking during re-adhesion of delaminations on canvas paintings
2018
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During re-adhering absorbent flaking paint with sturgeon glue or gelatines, one would often like to gain the widest lateral distribution in a joint, the lowest penetration into the substrate and at the same time an adequately good adhesion. In conservation, the pre-wetting with alcohols has a strong tradition and it was shown by Laaser, Soppa et al. 2014 that it is a perfect pre-wetting agent for consolidation due to the better substrate penetration. However, it is not an effective agent for the re-adhesion of absorbent layers. This paper therefore investigates and compares pre-wetting and masking agents for gelatine (type A, 180 Bloom, 5%) such as ethanol, water-ethanol (1:1), water, 1% gelatine (type A, 180 Bloom), 1% methyl cellulose A4C, apolar solvents (mainly Shellsol T, see Soppa 2016) and Shellsol T with subsequent water pre-wetting. Furthermore, the method of combining gelatine/sturgeon glue with apolar solvents (see Petukhova and Bonadies 1993) is examined and compared to the pre-wetting and masking results.
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DOI (Digital Object Identifier)
10.5165/hawk-hhg/439
URL (zugehörige Internetseite)
https://www.hornemann-institut.de/german/epubl_tagungen44.php
Beteiligte, Autor/inn/en:
- Karolina Soppa (Autor/in)
Hochschule der Künste Bern
Konservierung und Restaurierung
Homepage: https://www.hkb.bfh.ch/