PRODUCTION OF POLYESTER YARN

摘要

PURPOSE:To provide production of polyester yarn supplying yarn having excellent adhesion to a polyvinyl chloride-based resin free from a problem of operability. CONSTITUTION:In producing polyester yarn, after drawing in a spinning process, yarn is provided with a finishing oil prepared by mixing an epoxy compound with a polyethyleneimine as a first treating agent and then supplied with a finishing oil mixed with a polyurethane resin as a second treating agent.