【摘要】 介绍了子午轮胎帘子布用涤纶弹力纬纱（芯纱）的制造技术。在普通纺丝设备上，合理选择聚酯原料，通过添加改性母粒及选择最佳工艺，生产出具有特殊性能的聚酯长丝，经棉纱包芯后可制成适用于子午轮胎涤纶帘于布用的弹力纬纱。更多还原

【Abstract】 The production of the PET elastomeric yarns is introduced in this paper. By means of good quality PET chips,adding TLX chips and selecting the optingal process,the PET filament which have specific function could be obtained on the conventional spinning machines. Then the PET elastomeric yarns circled by cotton yarns could be obtained. It can be used for the production of meridian tires.更多还原