COPOLYMERIZED POLYETHYLENE TEREPHTHALATE POLYMER, YARN/BCF/FILM COMPRISING SAME, AND METHOD FOR PRODUCING SAME

摘要

The present invention relates to copolymerized polyethylene terephthalate comprising polyethylene terephthalate (PET) and unidirectional end-group-modified polydimethylsiloxane (PDMS) and having improved wear resistance, which is produced by a method of directly threading the copolymerized polyethylene terephthalate, or by a method of copolymerizing a high concentration of unidirectional end-group-modified polydimethylsiloxane with polyethylene terephthalate and using same for a master batch. A polyethylene terephthalate polymer produced thereby may be used for producing a yarn, BCF for a car mat or a film having improved wear resistance or release force.