A PRELIMINARY TECHNO-ECONOMIC STUDY ON DYEING POLYAMIDE 6 FABRIC | ||||
| Al-Azhar Bulletin of Science | ||||
| Article 7, Volume 2006, Issue 6, June 2006, Page 85-101 PDF (387 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/absb.2006.11642 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| W. M. RASLAN* ; A. BENDAK | ||||
| Textile Research Division, National Research Centre Dokki, Cairo, Egypt | ||||
| Abstract | ||||
| Attempts are undertaken to perform a comparative techno-economic investigation of two dyeing methods of polyamide fabrics; a conventional dyeing method normally as applied in industry versus a proposed modified one which depends on the usefulness of chemical pretreatment of polyamide fabric with acetaldehyde or a redox system at ambient conditions. The tensile strength and elongation percentage of the pretreated polyamide 6 fabrics are unchanged by the aforementioned treatments while the dyeability of the pretreated fibres can be enhanced at lower dyeing temperature. The economic aspects of the dyeing processes are pursued, where the variables are brought together, to determine the production costs. The pretreatment of polyamide 6 with either reagent reveals some improvements in dyeing characteristics. This is reflected on the possibility of saving considerable amount of energy, shortening the time of dyeing, increasing the production rate and so lowering the total cost of the dyeing process as well as reducing the environmental impacts. | ||||
| Keywords | ||||
| polyamide; Treatment; redox system; Aldehyde; techno-economic; dyeability | ||||
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