GATE (TF) Textile 2013 Question Paper Solution | GATE/2013/TF/55

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Viscose fabrics is to be resin finished with DMDHEU by pad-dry-cure method. Assume that

Mass of fabric per unit area : 200 g/m2
Width of fabric : 100 cm
Speed of the machine : 50 m/min
Concentration of pad liquor : 100 g/l
Wet pick up : 100%
Specific gravity of padding liquor : 1.0
Molecular weight of anhydroglucose unit : 162

Question 55 (Textile Engineering & Fibre Science)

Assuming that the reaction takes place in amorphous region only and that the fabric Crystallinity is 33%, the number of cross links formed per anhydroglucose unit after curing would be approximately

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