Types, characteristics and uses of polyester filaments

Polyester is an important variety of synthetic fibers, and is the trade name of polyester fibers in my country. It is a fiber-forming polymer prepared from purified terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (MEG) through esterification or transesterification and polycondensation. - Polyethylene terephthalate (PET), fibers made by spinning and post-processing. The so-called polyester filament is a filament with a length of more than one kilometer, and the filament is wound into a group. According to the different production methods, polyester filament is generally divided into three categories: spun yarn, drawn yarn and textured yarn.