NDLI: Preparation and application of a β-cyclodextrin-disperse/reactive dye complex

Content Provider	Springer Nature Link
Author	Parlati, Stefania Gobetto, Roberto Barolo, Claudia Arrais, Aldo Buscai, Roberto Medana, Claudio Savari, Piero
Copyright Year	2007
Abstract	A disperse and a disperse/reactive azo-dyes were prepared and characterised with spectroscopic methods. The complexes with β-cyclodextrin were prepared by a dry milling method. The characterisation of the complexes in solid state was performed by $^{13}$C CP MAS NMR, FT-IR, Raman spectroscopies and TGA–DTA analysis. The presence of the complexes in solution was evidenced with ESI-MS experiments. The products were used to dye synthetic (nylon, PET), natural (cotton) and cotton-PET blend fibres. Colour intensity and uniformity were evaluated by means of tristimulous colorimetry. β-Cyclodextrin, used as additive in dyeing baths, enhanced the colour intensity and uniformity of dyed samples. The complexes gave rise to a generalised good result. The disperse/reactive dye showed better fastness to washing properties on nylon 6 and cotton fibres. β-Cyclodextrin easily substituted the surface active agents, normally used in industrially dyeing processes, without loss in dyeing quality as dyeing uniformity, intensity and washing fastness.
Starting Page	463
Ending Page	470
Page Count	8
File Format	PDF
ISSN	09230750
Journal	Journal of Inclusion Phenomena and Macrocyclic Chemistry
Volume Number	57
Issue Number	1-4
e-ISSN	15731111
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2007-01-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Azodyes β-Cyclodextrin complexes $^{13}$C CP MAS NMR Dyeing ESI-MS FT-IR Raman spectra TGA–DTA Tristimulus Colorimetry Crystallography Food Science Organic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Condensed Matter Physics Food Science

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