Nylstar unveils sustainable dope dyed yarn

07 Mar '15

2 min read

Nylstar has unveiled a sustainable colour solution, Meryl EcoDye, a latest generation dope dyed yarn able to reduce cost expenses, chemical waste and achieve extraordinary dye results.

According to Nylstar, Meryl EcoDye uses a one-step colouration process in which the pigment is added to the polymer and the colour becomes an inherent part of the yarn instead of the traditional two-step process.

“The fibre is dyed throughout assuring a perfect colour uniformity, absolute colour fastness and tighter colour control,” a Nylstar press release informs.

“Meryl EcoDye also offers outstanding colour fastness to UV rays, washing abrasion, migration and ironing and significant environmental benefits,” the company adds.

Traditional dyeing uses large quantities of water and requires effluent treatment to address the dye discharge whereas Meryl EcoDye uses the spinning process to add pigment and water is not required.

Dyestuff is added in dry form to the polymer prior to extrusion into the filaments which make up the yarn.

Unlike water or CO2 dyeing, no extra energy is consumed as Meryl EcoDye uses polyamide as the carrier for the dyestuffs and additionally there is no wastewater, additives and excess dyestuff to dispose of.

“Meryl EcoDye colors have been made 100 per cent with dyes and pigments and its colour masterbatch is considered environmentally friendly and healthy.

Nylstar was founded in 1923 and in 1953, it became the very first and most important producer of Nylon 6.6 in Europe, and has been producing the highest quality yarns from the same site ever since.

With annual sales of €65 million, Nylstar exports 90 per cent of its production, serving customers in more than 40 countries. (AR)

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