Effect of Sandospace R on the dyeability of gamma-irradiated wool, wool/polyester and polyester fabrics with some disperse dyes containing amino groups
✍ Scribed by Zohdy, Maged H.
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 220 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0959-8103
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✦ Synopsis
The e †ect of Sandospace R on the dyeability of gamma-irradiated wool, wool/polyester and polyester fabrics towards disperse dyes has been investigated. The e †ects of the di †erent factors that may a †ect the colour yield of the dyed samples (such as radiation dose, Sandospace R concentration, pH strength of the dye bath, dye concentration, dyeing temperature and time were studied. In general, and regardless of the studied factor, the irradiated fabric showed a sig-niÐcant dye affinity for the disperse dyes employed compared/to the unirradiated fabrics. However, the di †erent fabrics irradiated to a dose of 2 Mrad showed the highest colour strength with a high level of dyeing. Also, it was observed that a concentration of Sandospace R as low as 0É5% e †ectively enhances the dye affinity for the disperse dyes used here. Moreover, it was found that the pH of the dyeing bath at which the highest colour strength obtained was 3. Increasing the dye concentration up to 4% based on fabric weight, caused a signiÐcant enhancement in the colour strength, whilst raising/the dyeing bath temperature from 60¡C to 100¡C appreciably accelerated the rate of dye uptake. Complete exhaustion absorption of the disperse dye occurred over a period of 2 h.