Question

In the pigment printing:
• [A.] binder forms film on the surface
• [B.] pigment has no affinity for cotton
• [C.] steaming is mandatory for fixation
• [D.] curing is essential Choose the correct answer from the options given below:

• A. A, B, C only
• B. A, C, D only
• C. A, B, D only
• D. B, C, D only

Hint:

To remember pigment printing: "Binder + Curing = Success." Since pigments don't "like" fibers (no affinity), the binder acts as the glue that must be baked (cured) to stay on.

Answer 1

The Correct Option is C

Concept: Pigment printing is a unique coloration process where insoluble color particles are fixed onto the fiber surface using a polymeric binder. Unlike dyes, pigments do not chemically react with or diffuse into the fiber.

Step 1: Analyze Statements A and B.
Pigments are insoluble and lack chemical affinity for any fiber, including cotton. Therefore, a binder must be used to create a mechanical bond by forming a thin, polymeric film on the surface of the fabric, trapping the pigment particles.

Step 2: Evaluate Fixation Requirements (Statements C and D).
Dye-based printing often requires steaming for molecular diffusion. However, pigment printing relies on curing (dry heat treatment) to cross-link the binder. Steaming is not mandatory and is generally avoided in this process.

Step 3: Conclusion.
Statements A, B, and D are technically accurate for pigment printing, making option (3) the correct choice.