PLASTIC TOE-CAP FOR SAFETY SHOE

摘要

PURPOSE: A plastic tow cap for safety shoes is provided, which can offer an optimized composition satisfying condition of the shock resistance and required durability. CONSTITUTION: Polycarbonate of 50-80 wt% and polybutylene terephthalate of 20-45 wt% are mixed and PCPBT(polycarbonate polybutylene terephthalate) is manufactured(s1). The PCPBT is dried at 120 deg.C for 4 - 5 hours(s2). The injection molding is performed at 290-300 deg.C using PCPBT(s3). A molded tow cap is cooled and ejected(s4,s5).