JOURNAL OF TEXTILE RESEARCH ›› 2017, Vol. 38 ›› Issue (11): 79-83.doi: 10.13475/j.fzxb.20161101505

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Heterogencous exhausting dyeing of cotton fabrics with reactive dye in Pickering emulsion

  

  • Received:2016-11-04 Revised:2017-02-25 Online:2017-11-15 Published:2017-11-15

Abstract:

In order to effectively solve the problems of low dye uptake, a large amount of waste water discharge and high electrolytes content in waste content in waste water caused by the conventional reactive dyeing in water bath, the heterogeneous exhausting dyeing of reactive dye on cotton fabrics in Pickering emulsion was investigated. Organic alcohol ether and hydrophobic SiO2 nanoparticles were used as the dyeing media and emulsifier, respectively. ANOZOL Navy L-3G dye was dispersed into organic alcohol ether and dyed cotton fabrics. Finally, K/S value, fixation and levelness of dyed fabrics were measured. The results show that the optimum process conditions are water content of 15%, time of 30 min, temperature of 70℃, NaSO4 of 0.6%, Na2CO3 of 20 g/L, and nano-SiO2 particles concentration of 1.5%. The fixation of ANOZOL Navy L-3G reactive dye in Pickering emulsion reaches 85%, which is superior to conventional dyeing. The washing and rubbing fastness of dyed fabric are 4-5 and levelness of dyed fabrics is satisfactory .

Key words: reactive dye, Pickering emulsion, cotton fabric, heterogeneous exhausting dyeing, non-aqueous media

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