Fakulteta za gradbeništvo in geodezijo, Ljubljana (FGGLJ)
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Influence of methyl cellulose in injection grout on mould growth on mural paintings - preliminary results [Elektronski vir]Padovnik, Andreja, 1983- ...Commercially non-structural injection grouts often contain cellulose ether as an additive, mainly to modify the viscosity and stability of the grout. Nevertheless, in our previous field studies we ... observed mould growth after injection of commercial grout that contained methyl cellulose (MC) as an additive. Therefore, our objective was to determine the effect of MC on mould development after grouting of painted plaster layers. For this purpose, a painted panel sandwich model, simulating delaminated plaster layers, was inoculated with fungal strains isolated from various cultural heritage sites. After incubation (27 days), mould growth was assessed using Calcofluor white fluorescent staining. Our preliminary results show that during the incubation the moisture content on the surface of the dry part of the model increased steadily due to the high humidity in the chamber and the absorption capabilities of the porous plaster. Moreover, grouting increased the m oisture content on the surface of the paint layer by ~10%. As a result, fungal stains EXF-15333 and EXF-15047 grew exclusively on the dry injected part of the surface (growth of 30 %) and no growth was observed on the dry non-injected part. Alarmingly, when the mortar was removed, it was revealed that the injected grout in the air pockets had not cured after 27 days.Vir: 6th Historic Mortars Conference [Elektronski vir] : 21st to 23th September 2022, Ljubljana, Slovenia : book of abstracts (Str. 80)Vrsta gradiva - prispevek na konferenci ; neleposlovje za odrasleLeto - 2022Jezik - angleškiCOBISS.SI-ID - 125642755
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Padovnik, Andreja, 1983- | 50307 |
Bokan-Bosiljkov, Violeta | 10379 |
Ropret, Polonca, kemik | 28079 |
Kosel, Janez | 31913 |
Vir: Osebne bibliografije
in: SICRIS
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