Table 4 Color differences of cotton canvas (AA) after treatment with polar and nonpolar nanocomposites and accelerated ageing
From: New treatments for canvas consolidation and conservation
Treatment and accelerated ageing of cotton canvas (AA) | Mass uptake (%) | L* | a* | b* | ΔE after treatment and ageing |
|---|---|---|---|---|---|
Untreated | – | 75.7 | 3.5 | 12.4 | 19.8 |
Polar nanocomposite | 5 | 83.4 | 1.7 | 10.0 | 12.5 |
Nonpolar nanocomposite | 5 | 83.4 | 1.9 | 11.3 | 13.5 |