渔用高强度聚乙烯和普通聚乙烯六角形经编网片的拉伸力学性能比较研究

对渔用高强度聚乙烯六角形网目经编网片(以下简称HSPE六角形经编网片)和普通聚乙烯六角形网目经编网片(以下简称PE六角形经编网片)的拉伸力学性能进行了比较研究。结果表明,在同等条件下,HSPE六角形经编网片的网片强力高于PE六角形经编网片,而网片纵向断裂伸长率则小于后者。网片拉伸力学性能测试数据标准(偏)差、再现性标准(偏)差及变异系数均较小,表示测试结果的分散性较小。在保持其他条件不变的前提下,使用HSPE六角形经编网片比使用PE六角形经编网片更经济,其在网箱等渔业生产中推广应用上具有可行性。     

Changes of pulling-out length and shrinkage ratio in polyester/spandex power net warp knitted fabrics

Power net fabric is one of the highly extensible two-way fabrics. Power net structure shows special characteristics in the wearing of final functional clothes. This research evaluated effects of treatment temperature on proportional extensibility and shrinkage ratio of spandex at a given wale length. As treatment temperature increased, extensibility increased proportionally to the standard length of the sample and the shrinkage ratio in the direction of course and wale increased. The pulling-out length increased proportionally to the standard length of the sample. However it was affected by the effect of treatment time and temperature due to the thermal properties of spandex filament yarn.