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Effects of additives on the dyeing of polyamide fibres. Part I: β-cyclodextrin |
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| Authors: | P Savarino S Parlati R Buscaino P Piccinini I Degani E Barni |
| Affiliation: | Dipartimento di Chimica Generale ed Organica Applicata, Università di Torino, Corso Massimo D'Azeglio 48-10125, Turin, Italy |
| Abstract: | A series of 12 dyes were synthesised and used for the dyeing of nylon 6 and 6,6. β-Cyclodextrin was tested as a low environmental impact additive in dyeing processes. Interactions between dyes and β-cyclodextrin were studied by means of solubility isotherms, TGA and DTA analysis. β-Cyclodextrin showed good levelling properties in the dyeing of polyamide fibres. The observed effect can be due to the formation of complexes between β-cyclodextrin and dyes. |
| Keywords: | β-cyclodextrin Disperse dyes Dyeing Solubility isotherms TGA DTA |
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