POLYESTER CONJUGATE FIBER

摘要

PROBLEM TO BE SOLVED: To provide a polyester conjugate fiber producible in high spinnability and drawability using reclaimed PET from PET-bottles or the like, having high mechanical strengths and therefore suitable for use in the form of industrial material or fishery material. SOLUTION: This conjugate fiber >=6.2 cN/dtex in braking strength is composed of a core layer and a sheath layer in the weight ratio of (20:80) to (80:20); wherein the sheath layer consists of a polyethylene terephthalate resin 0.79-1.3 in intrinsic viscosity [η] and the core layer consists of a reclaimed polyethylene terephthalate resin 0.55-1.16 in intrinsic viscosity [η].