Method for boiling-off of blended fabric from polyamide fiber and polyurethane fiber, method for producing dyed blended fabric and dyed blended fabric

摘要

A method for scouring a mixed fabric of polyamide fibers and polyurethane fibers is provided, wherein soft water as treating water is used and the treating water contains a sequestering agent. According to the present invention, a mixed fabric of polyamide fibers and polyurethane fibers in which uneven dyeing hardly arises, that is, excellent leveling is achieved, is provided.