Discussion
Assertion (A): Transfer printing is confined largely to polyester and similar synthetic fabrics.
Reason (R): It relies on disperse dyes subliming into the fibre, which cotton cannot accept.
Answer: C
Correct answer: Both A and R are true, and R is the correct explanation of A
Both are true and the reason gives the limitation. Transfer printing works by subliming disperse dye from paper into the fibre under heat, and disperse dyes have affinity only for hydrophobic synthetics - principally polyester. Cotton offers them nothing to dissolve into, so the process cannot be used on it without first coating the fabric.
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