MANUFACTURING METHOD OF INDUSTRIAL POLYESTER FILAMENT AND INDUSTRIAL POLYESTER FILAMENT PRODUCED THEREOF

摘要

The present invention relates to a manufacturing method of industrial polyester filament yarn and its filament yarn, the strength is 6.0g / d by adding a heat treatment process to the conventional non-drawn polyester for apparel, using an existing draw winder drawing device for clothing High-strength, low-shrink industrial polyester filament yarn with less than (gram / denier), elongation 15 ~ 20%, dry heat shrinkage (190 ℃ × 15min) 6 ~ 8% and single yarn fineness of 1 ~ 5de ' Method and its filament yarn.;    Industrial Polyester Filament Yarn, Dry Heat Shrinkage