HIGH-STRENGTH POLYETHYLENE TEREPHTHALATE MULTIFILAMENT YARN AND METHOD FOR PREPARING SAME

摘要

The present invention relates to a high-strength polyethylene terephthalate multifilament yarn which maintains a high strength retention ratio even after being subjected to a post-process in which heat is applied thereto. The present invention enables a high-strength polyethylene terephthalate yarn to exhibit a high strength retention ratio even after being subjected to a post-process in which heat is applied thereto.