Question

c) What is the role of heat in the of dyeing?​

Answer 1

Resposta em inglês: Heat is widely used in various dyeing processes, hair, fabrics, papers, etc. This step is very important for a few reasons, they are:

- Fixation: the heat helps the color to be fixed on the surface on which it will be applied, in addition to making the color more vivid and vibrant.

- Water saving: The dyeing process that uses heat as an aid uses up to 95% less water than conventional methods without heat, in addition to spending 85% less energy. This is super important for environmental issues.

^_^  Espero que tenho ajudado! Bons estudos! ^_^