Discussion on issues of smoke extraction of polyester filament spinning workshops;

Development of polyester filament core yarn sewing thread;

Production and technical characters of direct spinning line of polyester filament in large capacities;

The plasticizer,dioctyl terephthalate is synthesized from terylene waste and isooctyl alcohol,sifts several solid superacids as catalyst,with S_2O~(2-)_8/ZnO-WO_3 as catalyst.

Process characters of PET filament twisted by high temperature heater box;

Selection of spinneret for PET filament production;

TCS process for colored profiled PET filament;

Electric autocontrol technology can be brought into use for many key process points, such as temperature, stock level, pressure, speed and the others in polyester spinning, which can improve the product efficiency as well as reduce the working difficulties of operators.