New development in dyes — Winter 2023

What are functional dyes? Enlist example of it.

What are metal complex dyes? Explain it with reference to its types, features & applications?

Discuss the various steps involved in the process of dyeing.

What is printing? Give its merits & demerits of it.

What is digital printing? Give its merits & demerits of it.

Anilox Roller plays important role in printing machine. Justify.

What is Screen Printing? Explain it with neat sketch, working, principle & applications?

What is gravure printing?

What is offset printing? Enlist its merits & demerits?

Explain laser printing with reference to steps involved in it.

Write a short note on: Duplex Printing

What are the features of green solvents?

Explain the electrophotography printing with principle?

What is Electrochemical Dyeing?

What are the industrial applications of green solvents?

Explain ink jet printing with regard to methods of ink deposition.

What is Thermochromism?

Write a short note on: Dye-Sensitised Solar Cell (DSSC).

Discuss various hair dyes with their commercial applications?

What is supercritical CO ? Give its function?

Write a short note on: solvent dyes

What is Plasma Technology? What is its significance in dye sectors?

Write a short note on: Demi Permanent Hair Dyeing

What are food dyes? Explain food adulterants used along with food dyes.

Enlist various combinations of couplers used in permanent hair colors? Explain any one of them.