1965
DOI: 10.1177/004051756503500504
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Diffusion Kinetics of Orange-II in Nylon 661

Abstract: The effect of draw ratio on the diffusion kinetics of Orange-II in nylon 66 has been investigated in an infinite dyebath buffered at pH 5.8 at temperatures between 40° and 102° C. Diffusion coefficients were ohtained by applying Hill's equation to the total amount of dye adsorbed as a function of time. As the fiber is drawn, there is very little reduction in the equilibrium adsorption of dye, but the diffusion coefficient is reduced to about one-half its previous value for each integral unit of draw ra… Show more

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Cited by 37 publications
(2 citation statements)
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“…Some of them have a greater influence on dye diffusion into the fiber, while others have a greater influence on dye uptake at the equilibrium [7,8]. The influence of polymer structure on dye absorption has been mainly researched from the viewpoint of different orientation (stretching) of the polymers' structural elements [1,4,9,10,11,12].…”
Section: Introduction and Previous Workmentioning
confidence: 99%
“…Some of them have a greater influence on dye diffusion into the fiber, while others have a greater influence on dye uptake at the equilibrium [7,8]. The influence of polymer structure on dye absorption has been mainly researched from the viewpoint of different orientation (stretching) of the polymers' structural elements [1,4,9,10,11,12].…”
Section: Introduction and Previous Workmentioning
confidence: 99%
“…Several authors have studied the dyeability of such non-uniformly drawn substrates and have reached similar conclusions, viz. that the rate of diffusion of the dye molecule into the nylon fibre is strongly influenced by the draw ratio, whereas the equilibrium concentration (the maximum amount of dye fixable under the conditions employed) by contrast varied only slightly with the draw ratio [3,[9][10][11][12][13]. In each of these studies, a different dye was examined on a different substrate.…”
Section: Introductionmentioning
confidence: 99%