Simultaneous Disperse printing and Uv-protecting of wool polyester blended fabric

Abstract EN

A new approach for enhancing disperse printability and UV-protection functionality of wool/polyester blended fabric (50/50) was carried out through incorporation of 4-hydroxybenzophenone, as UV-absorber, or ZnO-NP's, as UV-blocker, into the disperse printing formulation [βCD (10g/Kg), Na-alginate (500g/Kg), Citric acid (10g/Kg), DMDHEU (10g/Kg), PEG-600 (20g/Kg), and Disperse dye (20g/Kg)].

The obtained results show that the enhancement in UV-protection capacity follows the decreasing order ZnO-NP's > 4-hydroxybenzophenone keeping other parameters constant.

The opposite holds true for the depth of disperse printings.

The improvement of UV-protection ability depends on the loaded UV-protecting agent onto the fabric surface; along with the positive impact of the used disperse dye on absorbing and/or blocking of the harmful UV-B radiation.

The durability of imparted UV-protection property is still high even after 15 washing cycles.