| 摘要 |
<p>Production of textured, mixed polyester filament by simultaneously spinning two polyesters with intrinsic viscosities differing by at least 0.03 from mutually eccentric or side-by-side spinneret orifices and drawing the undrawn mixed polyester filaments produced by this technique at 60 - 120 degrees C and at a draw ratio of 0.75 - 0.95 of the maximum draw ratio, then heat fixing at 120 - 200 degrees C and continuously relaxing at 80 degrees - 20 degrees C, whilst maintaining a % overfeed greater than the % heat-shrinkage at this temperature.</p> |
