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Synthesis and Application of Some Monazo Disperse Polymerizable Dyes

Shehu Habibu

ISBN 10: 3659183229 / ISBN 13: 9783659183225
Published by LAP Lambert Academic Publishing
New Condition: New Soft cover
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116 pages. Dimensions: 8.7in. x 5.9in. x 0.3in.Various 4-arylazoaminophenols (AAPs) and 4-arylazoaminobenzene (AAB) have been synthesized via diazo-coupling reactions. The resulting monoazo dyes were polycondensed with formaldehyde in the presence of aqueous oxalic acid. The resulting poly (4-arylazoaminophenol-formaldehyde)s (PAAP-F)s and poly (4-arylazoaminobenzene-formaldehyde) (PAAB-F) were characterized by yield, melting point, color, solubility, viscosimetry, 1H-NMR, Visible and IR Spectroscopy. Their dyeing performance on nylon and polyester was assessed. The dyeing on nylon and polyester had yellow and orange shades with moderate to good light and wash fastness. Polymerizations of the monomeric dyes on dyed nylon and polyester have also been carried out. The dyeing properties of the monomeric and polymeric dyes were compared with the dyes polymerized on nylon and polyester and the fastness properties were found to increase on polymerization and even better with the ones polymerized on Nylon and Polyester. This item ships from multiple locations. Your book may arrive from Roseburg,OR, La Vergne,TN. Bookseller Inventory # 9783659183225

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Bibliographic Details

Title: Synthesis and Application of Some Monazo ...

Publisher: LAP Lambert Academic Publishing

Binding: Paperback

Book Condition:New

Book Type: Paperback

About this title

Synopsis:

Various 4-arylazoaminophenols (AAPs) and 4-arylazoaminobenzene (AAB) have been synthesized via diazo-coupling reactions. The resulting monoazo dyes were polycondensed with formaldehyde in the presence of aqueous oxalic acid. The resulting poly (4-arylazoaminophenol-formaldehyde)s (PAAP-F)s and poly (4-arylazoaminobenzene-formaldehyde) (PAAB-F) were characterized by yield, melting point, color, solubility, viscosimetry, 1H-NMR, Visible and IR Spectroscopy. Their dyeing performance on nylon and polyester was assessed. The dyeing on nylon and polyester had yellow and orange shades with moderate to good light and wash fastness. Polymerizations of the monomeric dyes on dyed nylon and polyester have also been carried out. The dyeing properties of the monomeric and polymeric dyes were compared with the dyes polymerized on nylon and polyester and the fastness properties were found to increase on polymerization and even better with the ones polymerized on Nylon and Polyester.

About the Author:

Member Polymer Institute of Nigeria. After Graduating as the Best Chemistry Student Kano University of Science and Technology, Wudil (2006), Proceeded to Bayero University Kano to Study Colour/Polymer Chemistry in 2009. He is Presently a Lecturer of Color/Polymer Chemistry, at the Department of Pure and Industrial Chemistry, Bayero University Kano.

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