A series of 8 dyes was prepared and used to dye nylon 6 and nylon 6,6. The interactions between dyes and methyl-p-cyclodextrin were studied by solubility isotherms, TGA and DTA analysis. Methyl-beta-cyclodextrin was examined as low environmental impact additive in dyeing processes. Methyl-beta-cyclodextrin showed good levelling properties on the dyeing of polyamide fibres. This effect can be due to the formation of complexes between methyl-beta-cyclodextrin and dyes.
Effects of additives on the dyeing of polyamide fibres. Part I β-cyclodextrin. Dyes and Pigments
SAVARINO, Piero;PARLATI, Stefania;BUSCAINO, Roberto;PICCININI, Paola Lucia;DEGANI, Jacopo;BARNI, Ermanno
2004-01-01
Abstract
A series of 8 dyes was prepared and used to dye nylon 6 and nylon 6,6. The interactions between dyes and methyl-p-cyclodextrin were studied by solubility isotherms, TGA and DTA analysis. Methyl-beta-cyclodextrin was examined as low environmental impact additive in dyeing processes. Methyl-beta-cyclodextrin showed good levelling properties on the dyeing of polyamide fibres. This effect can be due to the formation of complexes between methyl-beta-cyclodextrin and dyes.
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