Table 1 Consolidants and biocides tested on wall painting mock-ups
Name (acronym used in the present paper) | Chemical composition/manufacturer |
|---|---|
Innovative products | |
 Ca(OTHF)2 (H) | Consolidant: hite solid, dissolved in 1:1 ethanol:ligroin at 20 g/L of Ca (ABCR, Spain) |
 Ca(OEt)2 (E) | Consolidant: nanosuspension in THF/EtOH, diluted with ethanol at 20 g/L of Ca (ABCR, Spain) |
Commercial products | |
 Primal™ E 330 S (P) | Consolidant: acrylic emulsion in water applied pure as recommended by the manufacturer (CTS Srl, Paris, France) |
 CaLoSiL® E50 (C) | Consolidant: nanodispersion of Ca(OH)2 in ethanol (IBZ-Salzchemie, Freiberg, Germany), with aninitial Ca concentration of 27.05 g/L, was diluted with ethanol until a Ca concentration of 20 g/L—the same chosen for alkoxides |
 Biotin T (B) | Biocide: contains didecyldimethylammonium chloride (large spectrum. Efficient against all types of micro-organisms) and 2-octyl-4-isothiazolin-3-one, a fungicide. Used diluted in distilled water at 3% v/v as recommended the distributor (CTS Srl, Paris, France) |
 Proxymousse (Py) | Biocide: contains benzododecinium chloride (2.5% w/w) (large spectrum biocide). Applied pure as recommended by the manufacturer (Peintures et chimie, Caudry, France) |