publications include the use of plasma to modify the dyeing properties of nonwoven PP
fabric via grafting with acrylic acid [20] and the absorption of a direct dye and a disperse dye on electrospun nonwoven fabrics prepared from poly(lactic acid) and cellulose acetate under various aqueous/solvent systems [21]. The dyeing of synthetic leather including polyamide/polyurethane bicomponent fibres has been described [22].