Durable nonwoven fabric having a melange-type appearance, its production method and apparatus suitable for the above production method

摘要

Fiber portion, and a flexible portion and a melange-type according to the visual appearance and the imparted non-woven fabric and the durability, the flexible portion comprising a matrix binder of polyurethane characterized in that the rigid part is present are polycarbonate polyols and polyester consists of a mixture of the polyol, the rigid portion is composed of a urethane wing aircraft that is derived from the reaction between the urethane groups and the free isocyanate groups and water is derived from the reaction between the isocyanate and the urethane ripening polyols, fibers or a different dyeing of the fiber blowing melange appearance the nonwoven fabric comprising two or more fibers having a characteristic is provided. ; Melange, durable non-woven, needle punching, coloring agents