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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
Untreated75.73.512.419.8
Polar nanocomposite583.41.710.012.5
Nonpolar nanocomposite583.41.911.313.5