Rendering of Cellulose Acetate Fabrics Self-Cleaning through Treatment with TiO2 Nano Particles


Finishing using TiO2-nanosol treatment of cellulose acetate (CA) fabrics before and after the latter were pretreated with H2O2was undertaken with a view to impart unique properties to CA fabrics, notably, self-cleaning. Finishing was performed as per the pad-dry-cure method. The finishing treatment involved dispersing the nano-sized TiO2particles in a mixture of water and ethylene glycol (1:1) and application of the dispersions to CA fabrics was made under a variety of conditions. Self cleaning ability of the fabrics is favored by 1) increasing the concentration of TiO2-nanosol to certain limit; 2) prolongation of curing time up to 15 second; 3) raising the microwave power from 80% to 100% but with the certainty that power of 90% is the most proper. Besides, exposure time-to UV radiation-up to 90 minutes is essential to have remarkable self cleaning properties while keeping other technical properties, namely, strength, roughness and wettability practically unaltered. Incorporation of binder in the finishing pad-bath helps stabilizing the deposition of TiO2 with excellent self-cleaning. Pretreatment of CA fabrics with H2O2 is a pre requisite to guarantee excellent self-cleaning ability. Thermofixation and microwave fixation produces fabrics with very comparable technical properties.

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M. Ramadan, W. Raslan, E. El-Khatib and A. Hebeish, "Rendering of Cellulose Acetate Fabrics Self-Cleaning through Treatment with TiO2 Nano Particles," Materials Sciences and Applications, Vol. 3 No. 12, 2012, pp. 872-879. doi: 10.4236/msa.2012.312127.

Conflicts of Interest

The authors declare no conflicts of interest.


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