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CHEMICAL FINISHINGS
Chemical finishings usually consists in a deposit of a product on the textile aiming to give it specific properties.
Properties of permanency being often requested, new chemical finishings have been created in order to get real chemical links within the fibres. This permanency is due to the use of reactive chemicals and pre-curable polymers, which form a macromolecular film around the fibre.
Long lasting finishings
These finishings improve the life of the garment and facilitate the textile care operations (washing, drying…). This group consists in reticulation finishings (easy-care, dimensional stabilization…), anti-felting finishings, soil-release finishings, and anti-sleepage, as well as finishings designed to improve the dyeing fastness.
Protective finishings
These finishings intend to protect the textile against its future environment or use (water-repellent or oil-repellent, fireproof, biocide, antistatic…).
Organoleptic finishings
They are directly linked to the people’s sensations, which is a subjective factor. These finishings can increase the fabric’s weight, modify their handle but also improve their softness, brightness or coat them.
Other finishings
Some finishings not listed above can offer other properties such as mechanical improvement, optical brightening, better sewing properties…
A new generation of finishings has more and more success such as microencapsulation of active principles (perfumes, thermoregulation, cosmetics…)
Chemical finishings can be split into 4 groups :
