Читать книгу Sustainable Practices in the Textile Industry - Группа авторов - Страница 34

1 a) Adsorption: Firstly the dye molecules in the dye bath move towards the fiber and those that are nearest to the fiber get “adsorbed” on to the fiber surface. They form a very thin layer of molecules on the surface of fiber.

2 b) Penetration: Secondly the adsorbed dye molecules adhered to the outer surface of fiber gradually penetrate or infiltrate into the pores or canals of the structure.

3 c) Fixation: The final step is one where the dye molecules find suitable locations according to dye size where they get “fixed” or “anchored”.