Polyester Colouration on the Research Front

An overview of recent research concerning the dyeing of polyester fibers addresses environmentally friendly textile auxiliaries, the fading behavior of azo disperse dyes, improvements in lightfastness, didodecyldimethyl-ammonium bromide as a carrier for disperse dyes, flow injection analysis of disperse dyeing, dyeing polyethlene-2,6-naph..

The Dyeing of Polyolefin Fibers in Supercritical Carbon Dioxide. Part II: The Influence of Dye Structure on the Dyeing of Fabrics and on Fastness Properties.

Researchers dyed low and high draw ratio gel spun polyethylene (PE) fibers, polypropylene (PP) fibers, and polyethylene terephthalate (PET) fibers in supercritical carbon dioxide at 280 bar and in water under optimal dyeing conditions and evaluated color, lightfastness, and washfastness. Reflectance measurements showed that disperse azo d..

The Dyeing of Polyolefin Fibers in Supercritical Carbon Dioxide. Part 1: Thermo-Mechanical Perperties of Polyolefin Fibers after Treatment in CO(2) under Dyeing Conditions

Researchers tested the viscoelastic properties of supercritical carbon dioxide treated gel spun polyethylene and polypropylene to determine the optimal conditions for dyeing without fiber damage. Data showed that treatment of polyolefin fibers in supercritical carbon dioxide at temperatures of up to 120 degrees centigrade and pressures of..

Colour Physics for Industry.

This comprehensive text on aspects of color science important to the color technologist in daily manufacture and control of colored products comprises chapters addressing light, light sources, and light interactions; the measurement of color; colorimetry and the CIE system; color order systems, color spaces, color difference, and color sc..

Engineering in Textile Coloration.

A textbook on the importance of engineering in textile coloration comprises chapters addressing the functional design of dyeing machines; fluid flow, heat transfer, and mass transfer; corrosion; fabric transport and fabric control; instrumentation and process control; design considerations for laboratory and pilot scale equipment; plant e..

Venus Comes off with Flying Colours.

Sclavo's AquaChron rinsing process, which consists of process controls for heating and cooling times and water and fabric management, uses the Twin Soft Flow, patented double nozzle for rinsing. This system processes fabrics without stopping the fabric or draining the bath between the bleaching, dyeing, and rinsing steps, reducing water c..

Ciba Forecast a Continuing Demand for Pastel Shades.

Ciba Specialty Chemicals' new Colors division combines most of the business of the former textile dyes and pigments divisions. A new fabric processing and finishing group within the Consumer Care division now houses the dyeing and printing auxiliaries business. The Colors division focuses on the textile, ink, paint, and plastics industrie..

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