Package Dyeing of Acrylic Fibre Yarn: Important Parameters which Influence Level Dyeing

Heane, D. G.; Hill, T. C. J.; Park, J.; Shore, John

doi:10.1111/j.1478-4408.1979.tb03466.x

Cited by 12 publications

(1 citation statement)

References 11 publications

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“…In the package dyeing of acrylic yarns, there is a close relationship between package density, the flow rate of the liquor in the dyeing machine and the ramp (constant rate of temperature rise). These factors, together with other important parameters that influence level dyeing of acrylic yarn, were investigated [22]. This was a very comprehensive study because of the availability of a single‐package dyeing machine with accurately controllable flow rates, the ability to prepare parallel‐sided dye packs to a high level of consistency and accuracy, together with the ability to scale up results from the single‐package machine to bulk.…”

Section: Practical Applicationsmentioning

confidence: 99%

Does dyeing practice need dyeing theory?

Park¹,

Shore

2007

Coloration Technology

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It has been indicated that much of the practical data for dyeing processes available has never been exploited by the dye application industry, although dye research and development programmes have often identified targets with successful outcomes. Products and processes originated by dye makers have had a major impact on the success of practical dyeing, resulting in improved reproducibility and right-first-time processing. Dyeing theory research has consumed substantial resources invested by dye makers and academic institutions, but many of these studies have failed to yield useful data that could be applied directly in practical dyeing systems. The generation of detailed standard operating procedures has provided the conditions for achieving effective control over the practical dyeing process, an objective that was once thought to be attainable eventually by the refinement of dyeing theories.

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Section: Practical Applicationsmentioning

confidence: 99%

Does dyeing practice need dyeing theory?

Park¹,

Shore

2007

Coloration Technology

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A Technical and Economic Appraisal of Yarn Package Dyeing

Chaplin¹,

Park²,

Thompson³

1980

Journal of the Society of Dyers and Colourists

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A technical and economic appraisal has been made of dyeing a variety of yarns in package form. The philosophy of package dyeing has been discussed and package presentation has been considered. Future developments in the package dyehouse have been outlined together with possible processing routes. Although this study is concerned only with package dyeing, it is felt that some of the conclusions reached may, unfortunately, be equally valid for other sections of the UK dyeing and finishing industry. Greenfield studies have been undertaken, allowing for a number of processing options, from which detailed costings have been prepared. Based on these and taking current market conditions into consideration, the future of the yarn commission dyer seems uncertain. A greenfield dyehouse may only be feasible if it is used to service a yam production facility manufacturing high revenue products by modern techniques. Elimination of processes, especially winding, is essential.

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Influence of Substrate Type on Level Dyeing of Acrylic Yarn Packages

Mason¹,

Park²,

Thompson³

et al. 1980

Journal of the Society of Dyers and Colourists

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In an earlier paper [1], the influence of flow rate, ramp (constant rate of temperature rise) and package density on the rates of dyeing of two basic dyes on Ex/an, and on the levelness obtained in the resulting dyeings, was investigated, and a relationship was derived to link these factors quantitatively. This work has now been extended to cover the behaviour of various basic dyes on Exlan and other acrylic fibres, under conditions expected to give borderline levelness. It has been shown that the shape of the rate–of–dyeing curve depends on the type of acrylic fibre and, to a lesser extent, on the cationic retarder used, but not on dye type within the group of CV2. 5–3. 5 basic dyes examined. The response of dyeing rate and degree of unlevelness to deliberate variations of ramp, as demonstrated in the previous work on Exlan, is now confirmed on Cashmilon. Evidence of a different type of random unlevelness, not related directly to dyeing rate, was also obtained from dyeings on the various fibres at a slow ramp.

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Package Dyeing of Acrylic Fibre Yarn: Important Parameters which Influence Level Dyeing

Cited by 12 publications

References 11 publications

Does dyeing practice need dyeing theory?

Does dyeing practice need dyeing theory?

A Technical and Economic Appraisal of Yarn Package Dyeing

Influence of Substrate Type on Level Dyeing of Acrylic Yarn Packages

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