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TitleSustainability issues of ultrasonic wool dyeing with grape pomace colourant
Author(s)Baaka, Noureddine
Haddar, Wafa
Ticha, Manel Ben
Amorim, M. T. Pessoa de
M´Henni Mohamed Farouk
KeywordsNatural dyeing
Grape pomace
Ultrasonic technique
Fastness properties
Issue date2017
PublisherTaylor & Francis
JournalNatural Product Research
CitationSustainability issues of ultrasonic wool dyeing with grape pomace colourant Noureddine Baaka, Wafa Haddar, Manel Ben Ticha, Maria Teresa Pessoa Amorim, and Mohamed Farouk M'Henni Natural Product Research Vol. 31 , Iss. 14,2017
Abstract(s)In this study, the ultrasound technique was investigated to dye wool fabrics with the natural extract obtained from grape pomace as a way of reducing time, temperature and environmental impact. Indeed, this natural material was very rich in total polyphenolic compounds and total flavonoids (which are, respectively, 310 (mg GAE/L) and 75 mg (CE/L)). Further, Fourier Transform Infrared Spectroscopy showed that the major chemical groups identified in the extracted dye and in the dyed wool fabrics are characteristics of phenolic compounds. The experimental findings of the dyeing process showed that ultrasound method could improve obviously the dye exhaustion and fixation which resulted in improving considerably the colour yield (K/S) and the fastness properties of dyed fabrics compared to the conventional heating method.
AccessRestricted access (UMinho)
Appears in Collections:DET/2C2T - Artigos em revistas internacionais com arbitragem científica

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