Abstract: As the high-end natural protein fiber, wool has good elasticity, rich hand feeling and excellent thermal insulation property. With the improvement of the living standard, the new trend of wool blended fabric becomes lightweight, fashion, multifunction and diverse raw materials, especially in the international market. People become more and more interested in wool and wool blended fabric. The wool blended fabric has the excellent properties of the multicomponent fiber. But also due to the wool, its scale serration can cause scratchiness on the wearer. The paper studied the protease pretreatment and finishing process of polyester/viscose/wool blended fabric. This process can effectively eliminate the itchiness of this blended fabric and make it a soft and smooth hand feeling.

Key words: polyester/viscose/wool blended fabric; proteinase; scale serration; hand feeling; scratchiness