**3. Hydrophobic fibres**

Disperse dyes can be applied to a whole range of chemically diverse, hydrophobic manmade fibres, which include acetate, acrylic, modacrylic, nylon, polyester and polyurethane fibres. However, of these, the most important fibres for disperse dyeing are polyester and secondary cellulose acetate (J. R. Aspland, 1997).
