Evolution of right‐first‐time dyeing production

J, Park; Shore, John

doi:10.1111/j.1478-4408.2009.00194.x

Cited by 20 publications

(10 citation statements)

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“…In some washing-off process, water can be used too high because of high water solubility. Park [35] and Park and Shore [36] mentioned that considerable energy can still be saved by optimizing dyeing conditions, using automated time/temperature controls or by mandating a proper dyeing results through right-first-time procedure. Other plans include clean power generation that feeds the energy required in the production of the textile fibers.…”

Section: The Manufacturermentioning

confidence: 99%

Realizing the environmental impact of soft materials: Criteria for utilization and design specification

Araji

Shakour

2013

Materials & Design

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Section: The Manufacturermentioning

confidence: 99%

Realizing the environmental impact of soft materials: Criteria for utilization and design specification

Araji

Shakour

2013

Materials & Design

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“…Considerable energy can still be saved by optimising dyeing conditions, using automated time/temperature controls etc. and, in general, by a regime necessary for ‘right first time’ dyeing results [11,12].…”

Section: Energy Water and Chemical Consumption In The Field Of Textilesmentioning

confidence: 99%

Erratum: Progress towards a greener textile industry^†

Dawson¹

2012

Coloration Technology

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Many of the principles of the relatively new science of Green Chemistry, which aims to use resources efficiently and minimise waste, are applicable in the field of textiles. Improving product quantity and reducing environmental impact in the production and subsequent coloration of textile fibres is a realistic goal. Public interest in organically produced natural fibres has followed on from that in organically grown food, although the market for organic fibres is still relatively small. In recent years, fibre manufacturers have played their part in introducing a number of more ecologically regenerated cellulosic fibres, as well as new totally synthetic polymer fibres based on renewable raw materials. The methods that can be adopted aimed at reducing the environmental impact of fibre, dye manufacture and subsequent coloration processes, are described with particular reference to these newer fibres.

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“…The reason for this is due to the fact that the dyeings carried out in different locations are not comparable unless the same dyes, chemicals, substrate and water supplies have been used (Park & Shore, 2009). …”

Section: Quality Control In the Laboratorymentioning

confidence: 99%

“…To make visual assessment of color more consistent, a set of observers may be asked to evaluate samples. An improvement in the quality of color matching in terms of accuracy, consistency, and reproducibility can only be achieved by the use of instrumental methods based on spectrophotometry (Park & Shore, 2009). Color-difference equations such as DE CMC(2:1) and CIEDE 2000 provide a single number while effectively compensating for the visual non-uniformity of the color space.…”

Section: Color Matchingmentioning

confidence: 99%

“…Using the method suggested above, it is possible to achieve dye standardization to within +/-0.05% tolerance. With currently available dye strength determination based on dyed sample reflectance measurement technology, tighter tolerances less than +/-3% can not be reached (Park & Shore, 2009). Hence, the proposed method has clear advantages over the existing dye strength determination based on reflectance measurements.…”

Section: Dye Hue Testmentioning

confidence: 99%

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The Future of Dye House Quality Control with the Introduction of Right-First Dyeing Technologies

Gunay¹

2011

Textile Dyeing

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The manufacturing of a textile begins with the fiber input, whereby each processing step results in an added cost to the final product. As dyeing of a textile is often the last step in the manufacturing of a fabric, it requires extra caution to get it right by avoiding waste and maintaining cost control. Only under favourable conditions is it possible to get it right the first time. In the past, it was not unusual for a dyer to re-dye until the target shade was reached. A typical strategy was to start with a base recipe that undershot the target shade. After each dyeing the missing dye component was added to the bath until the shade was matched. The smaller the number of reformulation, the more skilful the dyer was considered. The Right-First-Time (RFT) dyeing concept was introduced in 1970 and became a desired feature of textile dyeing. This concept meant that at each dyeing the target shade was achieved the first time, hence not requiring re-dyeing. However, the successful evolution of the concept depended on work carried out over many years by a relatively small number of organizations. Many application research and development projects were carried out mainly by the laboratory, pilot-plant and bulk-scale equipment of the major users and manufacturers of dyes and equipment, as well as by universities. Since the end of 20th century, with the increased competition, dye houses are asked to meet more exact requirements while they are under pressure to reduce the cost of manufacturing. In order to stay competitive and be in business, they were required to exercise tighter quality control and seek ways to optimize dyeings. This necessitated the understanding of a) dyes, chemicals and substrates and their compatibilities; and b) the parameters that influence the rate and extent of dye uptake by the substrate (Park & Shore, 2007). The variables that are objectively measured and monitored during a dyeing for quality control purposes have traditionally been limited to time, temperature, pH, and conductivity. Measurement of the fabric shade reflectance is only utilized in the development of new recipes/procedures and the verification of the dyed fabric shade. The development of recipes/procedures and the debugging of dyeing problems continue to rely on indirect information obtained by ad-hoc trail and errors, subjective observations, and visual assessments of dyers. The first prototype system (Beck et al., 1990;Keaton & Glover, 1985) to measure the dye build up directly in real-time during a dyeing was developed in 1990's. However, due to technological limitations such as; a) the high cost of spectrophotometers, b) the low computation speed that is not sufficient to process the data generated by the 7 www.intechopen.com

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Evolution of right‐first‐time dyeing production

Cited by 20 publications

References 62 publications

Realizing the environmental impact of soft materials: Criteria for utilization and design specification

Realizing the environmental impact of soft materials: Criteria for utilization and design specification

Erratum: Progress towards a greener textile industry^†

The Future of Dye House Quality Control with the Introduction of Right-First Dyeing Technologies

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Evolution of right‐first‐time dyeing production

Cited by 20 publications

References 62 publications

Realizing the environmental impact of soft materials: Criteria for utilization and design specification

Realizing the environmental impact of soft materials: Criteria for utilization and design specification

Erratum: Progress towards a greener textile industry†

The Future of Dye House Quality Control with the Introduction of Right-First Dyeing Technologies

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Product

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About

Erratum: Progress towards a greener textile industry^†