PHYSICOCHEMICAL STUDIES AND APPLICATION OF SOME NATURAL EXTRACTS AND ITS METALLIC MORDANT COMPLEXES AS DYES FOR TEXTILE FABRICS
FARAG, R., SHAKRA, S., EL ADWAY, H., Ali, A. (2013). PHYSICOCHEMICAL STUDIES AND APPLICATION OF SOME NATURAL EXTRACTS AND ITS METALLIC MORDANT COMPLEXES AS DYES FOR TEXTILE FABRICS. EKB Journal Management System, 24(Issue 2-A), 17-36. doi: 10.21608/absb.2013.6406
RABIE S. FARAG; S. SHAKRA; HASSAN EL ADWAY; Ali. A. Ali. "PHYSICOCHEMICAL STUDIES AND APPLICATION OF SOME NATURAL EXTRACTS AND ITS METALLIC MORDANT COMPLEXES AS DYES FOR TEXTILE FABRICS". EKB Journal Management System, 24, Issue 2-A, 2013, 17-36. doi: 10.21608/absb.2013.6406
FARAG, R., SHAKRA, S., EL ADWAY, H., Ali, A. (2013). 'PHYSICOCHEMICAL STUDIES AND APPLICATION OF SOME NATURAL EXTRACTS AND ITS METALLIC MORDANT COMPLEXES AS DYES FOR TEXTILE FABRICS', EKB Journal Management System, 24(Issue 2-A), pp. 17-36. doi: 10.21608/absb.2013.6406
FARAG, R., SHAKRA, S., EL ADWAY, H., Ali, A. PHYSICOCHEMICAL STUDIES AND APPLICATION OF SOME NATURAL EXTRACTS AND ITS METALLIC MORDANT COMPLEXES AS DYES FOR TEXTILE FABRICS. EKB Journal Management System, 2013; 24(Issue 2-A): 17-36. doi: 10.21608/absb.2013.6406

PHYSICOCHEMICAL STUDIES AND APPLICATION OF SOME NATURAL EXTRACTS AND ITS METALLIC MORDANT COMPLEXES AS DYES FOR TEXTILE FABRICS

Al-Azhar Bulletin of Science
Article 2, Volume 24, Issue 2-A, December 2013, Page 17-36  XML PDF (485.86 K)
Document Type: Original Article
DOI: 10.21608/absb.2013.6406
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Authors
RABIE S. FARAG* 1; S. SHAKRA2; HASSAN EL ADWAY3; Ali. A. Ali3
1Chemistry Department , Faculty of Science, Al-Azhar University, Cairo , Egypt.
2Textile Research Division, National Research Centre, Cairo, Egypt.
3Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt.
Abstract
The aim of this present study is to evaluate the performance and efficiency of dyeing of cotton, wool and polyamide from dry skin Allium cepa and henna fabrics with natural dyes obtained as extracts leaves.
In recent years, an upsurge of interest in natural dyes has been manifested as replacement of synthetic dyes for food and drugs’ safety and so forth. Natural dyes have limitations of fastness, and brilliancy of shade. Therefore, in present work, use of metallic mordant was investigated to produce depth of shade, bright and fast colors. Natural dyes may chemically be classified as vat, direct, acid and\or pigment. Accordingly, efficiency and performance of dyeing were assessed on different natural and synthetic fibers. However, some good fast colors were obtained.         
The preference of using easily, and cheaply, without any chemical processing, results in availability of materials for dyeing by conventional dyeing which lowers the cost of natural dyeing; this enhances resource productivity, and as a result, reduces solid wastes. This makes onion scale and henna leaves one of the easily available raw materials for natural dyeing industry. However, part (II)  of  present  work  compiles  preparation  , physico-chemical  assessment,  and  application  of  some  metallic   mordent’s (Cr+3,Co+2,Ni+2,Cu+2) of present  natural dyes ,in  a trial  to obtain  more chromaticity ,affinity and better fastness of colour.   
Keywords
natural extracts; METALLIC MORDANT COMPLEXES; dyes; Textile fabrics
References
 

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