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A novel method of cotton dyeing with

A new sustainable improved dye fixation by 31.13% and

decreased dye discharge by 72.41%
woven fabric Cotton and other cellulose substrates comprise over only 9.31, 56.63%, respectively. Therefore, the new

range by Artistic 40% of the world's textile consumption. Cotton method improved the dye fixation by 31.13% and
reduced the effluent discharge by 72%.
dyeing with reactive dye requires enormous amounts
of salts to facilitate dye adsorption. Large quantities
of water are used to clean hydrolyzed dyes, which The silicone reverse emulsion dyeing system
generates large volumes of wastewater and contains a small amount of water. These dyeing
Artistic Fabric Mills has launched a new sustainable conventional yarn and fabric dyeing in many consumes high energy. The amount of salts ranges conditions may reduce the hydrolysis of dye. The
woven fabric range with Radianza fiber. The new applications that use more water and discharge from 5 to 125 on the weight of the fabric. As a result, energy gap between vinyl sulfone and β-hydroxyethyl
fabric range has been developed as a part of the harmful chemicals. conventional reactive dyeing is not environmentally sulfone is 51.0 kcal/mol in the aqueous system,
sustainability collection. friendly. Researchers are trying hard to reduce which is lower than that in the silicone reverse
Radianza™ fiber prepared by gel dyeing technology pollution to the environment by the dyeing of cotton. emulsion dyeing system (52.2 kcal/mol in silicone).
Radianza fiber is the flagship product of Thai Acrylic is the most environment-friendly dyeing process The same trend is observed for the energy gap
Fibre Co Ltd, is a pre-dyed fiber made with amongst all dyeing methods – it is a perfect product Recently a report published by the prestigious between the triazine dye and the hydroxyl triazine dye
revolutionary gel-dyeing technology. Thai Acrylic to address these challenges. A fabric made from research journal, Cellulose, highlighted a silicone (26.5 kcal/mol in silicone vs. 22.8 kcal/mol in water),
Fiber Co., one of the largest manufacturers of acrylic yarns with 100% Radianza™ fibers would require only reverse emulsion dyeing system to dye cellulosic confirming that the hydrolysis of the bifunctional
fibers and owner of the Birlacril™ brand, has 20% of water/energy compared to conventional textile with reactive dye. When the dye amount is the reactive dye needs higher energy in the silicone
reverse emulsion dyeing system.
presented a unique solution to the challenges of strict dyeing. Moreover, due to no need for dyeing at a yarn same, the color depth of dyed cotton fiber is 13.82,
environmental laws imposed on the textile industry or fabric stage, there is no dyestuff discharge, unlike and the fixation of dye is 87.76% in the new process. The utilization of the new method could be a
with its Radianza™ acrylic fiber. Yarns made with in traditional dyeing, where dye stull losses lead to In the traditional water-based dyeing system, the sustainable approach to reduce dye wastage and
Radianza™ – the gel-dyed fiber – have replaced the polluted effluent. color depth of dyed cotton fiber and dye fixation is environmental pollution.

Non-fluorinated water repellent Innovative, durable, and sustainable

finish for PPEs by Safety Components water repellent finish DOWSIL™ IE-8749

Safety Components excited to introduce PF Zero™ PF Zero fabrics have been certified by UL as an A new generation of durable water repellent finishes optimum levels of water repellency and durability.
finish, the first non-fluorinated durable water repellent approved replacement finish for fabrics sold by for fabrics has been launched by Dow Materials
finish explicitly developed for PPE fabrics. Safety Safety Components under NFPA 1971/1951. Impor- Science Company. The new product, DOWSIL™ A typical formulation should be adjusted, based on
Components operates as part of Elevate Textiles. tant performance characteristics such as flame IE-8749 Emulsion, is fluoroalkyl-free silicone the fabric pick-up, to enable 2–3% of DOWSIL™
Elevate, and its premium brands are committed to resistance, TPP, and THL remain the same for Safety emulsion concentrate for durable water repellent IE-8749 Emulsion actives (solids)
improving sustainability for a lower carbon footprint Components fabrics regardless of the finish. While finishes on textiles. The product is non-ionic, and its
as a cornerstone of every new product initiative. Safety Components has already started producing chemistry is modified polydimethylsiloxane. on-weight-of-fabric (owf). Besides, a blocked
Safety Components’ most unique PF Zero finish is a materials finished with PF Zero, it could take several isocyanate crosslinker should be included at a ratio
testament to that direction, requiring 15% less energy months for garments made with Safety Components Formulations using DOWSIL™ IE-8749 Emulsion are of 4:1 silicone actives to crosslinker actives. Finally,
to produce while enhancing PPE sustainability. This is PF Zero treated fabrics to filter through the supply intended to be applied in a factory in a continuous a glycol penetrant is recommended to be added at
a true game changer for the industry. chain and into the hands of first responders. manner where heat curing can be done to fully set the 1–3% owf. Of course, these values and ratios are a
finish on the fabric. The company ecommends to starting point. The formulation parameters for each
include a blocked isocyanate crosslinker and a glycol application should be thoroughly evaluated before
penetrant in the formulated finish bath to achieve commencing with fabric finishing production.

January/February 2021 January/February 2021