2.2.2. Degumming. The raw silk fabric was degummed in an
aqueous soap solution (15 g/L soap) at pH 9. The material to
liquor ratio during the treatment was maintained at 1 : 50.
The temperature was gradually raised to 80∘
Candrunfor
60 minutes. The degummed fabric was washed with 2 g/L
detergent at 65
∘