Dyes for man-made fibres
In the 1940s and 1950s the truly synthetic fibres, such as the polyamides
(nylon), polyesters and acrylics, began to appear commercially. Disperse
dyes proved to be particularly suitable for polyester and so the importance
of this class of dye increased enormously. Because both fibres and dyes
have been modified since then, polyamides are now dyed mainly with acid
dyes, and acrylics mainly with modified basic dyes.
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Over the last twenty to thirty years, developments in dye chemistry have enabled the man-made fibre to be dyed with better fastness to light and washing, and in an ever increasing range of colours.
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