Dyeing and Adsorption Studies of Madder (Rubia tinctorum) on Wool Fibers
<span style="font-family: Times New Roman; font-size: small;"> </span><p class="MsoNormal" style="margin: 0in 0.35in 0pt 27pt; text-align: justify; mso-layout-grid-align: none;"><span style="font-size: 9pt; mso-ansi-language: EN-US;">&l...
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| Format: | Article |
| Language: | English |
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Kaunas University of Technology
2015-03-01
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| Series: | Medžiagotyra |
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| Online Access: | http://matsc.ktu.lt/index.php/MatSc/article/view/5150 |
| _version_ | 1818333970740281344 |
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| author | Mahmoud FEIZ Hossein Norouzi |
| author_facet | Mahmoud FEIZ Hossein Norouzi |
| author_sort | Mahmoud FEIZ |
| collection | DOAJ |
| description | <span style="font-family: Times New Roman; font-size: small;"> </span><p class="MsoNormal" style="margin: 0in 0.35in 0pt 27pt; text-align: justify; mso-layout-grid-align: none;"><span style="font-size: 9pt; mso-ansi-language: EN-US;"><span style="font-family: Times New Roman;">In this study, the dyeing behavior of wool fabrics with madder has been studied. Three well-known types of adsorption isotherms i.e. the Nernst, Freundlich and Langmuir isotherms were used to fit the data. It was found that the adsorption isotherm of madder on wool fibers follows Freundlich type of adsorption. The exponent α in Freundlich isotherm equation (<em>C<sub>f </sub></em>= <em>k.C<sub>s</sub><sup>α</sup></em>) was obtained 0.61 corresponding to 0.5 for the direct dyes on cellulosic fibers. The effect of salt and pH on dyeing of wool samples was investigated by the use of color characteristics measurements. The results showed that addition of salt and acid (pH 4.5) to the dyebath resulted in an increase of adsorption.</span></span></p><span style="font-family: Times New Roman; font-size: small;"> </span><p>DOI: <a href="http://dx.doi.org/10.5755/j01.ms.21.1.5150">http://dx.doi.org/10.5755/j01.ms.21.1.5150</a></p> |
| first_indexed | 2024-12-13T14:00:06Z |
| format | Article |
| id | doaj.art-3b157352c8f1446d8103ab574845bf87 |
| institution | Directory Open Access Journal |
| issn | 1392-1320 2029-7289 |
| language | English |
| last_indexed | 2024-12-13T14:00:06Z |
| publishDate | 2015-03-01 |
| publisher | Kaunas University of Technology |
| record_format | Article |
| series | Medžiagotyra |
| spelling | doaj.art-3b157352c8f1446d8103ab574845bf872022-12-21T23:42:46ZengKaunas University of TechnologyMedžiagotyra1392-13202029-72892015-03-01211818610.5755/j01.ms.21.1.51505154Dyeing and Adsorption Studies of Madder (Rubia tinctorum) on Wool FibersMahmoud FEIZ0Hossein Norouzi1Isfahan university of technologyIUT<span style="font-family: Times New Roman; font-size: small;"> </span><p class="MsoNormal" style="margin: 0in 0.35in 0pt 27pt; text-align: justify; mso-layout-grid-align: none;"><span style="font-size: 9pt; mso-ansi-language: EN-US;"><span style="font-family: Times New Roman;">In this study, the dyeing behavior of wool fabrics with madder has been studied. Three well-known types of adsorption isotherms i.e. the Nernst, Freundlich and Langmuir isotherms were used to fit the data. It was found that the adsorption isotherm of madder on wool fibers follows Freundlich type of adsorption. The exponent α in Freundlich isotherm equation (<em>C<sub>f </sub></em>= <em>k.C<sub>s</sub><sup>α</sup></em>) was obtained 0.61 corresponding to 0.5 for the direct dyes on cellulosic fibers. The effect of salt and pH on dyeing of wool samples was investigated by the use of color characteristics measurements. The results showed that addition of salt and acid (pH 4.5) to the dyebath resulted in an increase of adsorption.</span></span></p><span style="font-family: Times New Roman; font-size: small;"> </span><p>DOI: <a href="http://dx.doi.org/10.5755/j01.ms.21.1.5150">http://dx.doi.org/10.5755/j01.ms.21.1.5150</a></p>http://matsc.ktu.lt/index.php/MatSc/article/view/5150wool, madder, dyeing, color strength, natural dye |
| spellingShingle | Mahmoud FEIZ Hossein Norouzi Dyeing and Adsorption Studies of Madder (Rubia tinctorum) on Wool Fibers Medžiagotyra wool, madder, dyeing, color strength, natural dye |
| title | Dyeing and Adsorption Studies of Madder (Rubia tinctorum) on Wool Fibers |
| title_full | Dyeing and Adsorption Studies of Madder (Rubia tinctorum) on Wool Fibers |
| title_fullStr | Dyeing and Adsorption Studies of Madder (Rubia tinctorum) on Wool Fibers |
| title_full_unstemmed | Dyeing and Adsorption Studies of Madder (Rubia tinctorum) on Wool Fibers |
| title_short | Dyeing and Adsorption Studies of Madder (Rubia tinctorum) on Wool Fibers |
| title_sort | dyeing and adsorption studies of madder rubia tinctorum on wool fibers |
| topic | wool, madder, dyeing, color strength, natural dye |
| url | http://matsc.ktu.lt/index.php/MatSc/article/view/5150 |
| work_keys_str_mv | AT mahmoudfeiz dyeingandadsorptionstudiesofmadderrubiatinctorumonwoolfibers AT hosseinnorouzi dyeingandadsorptionstudiesofmadderrubiatinctorumonwoolfibers |