Pdlla / ha composite fibers were produced by melt spinning , and the choices of the process parameters such as temperature , revolving speed and drawing speed etc were discussed 選用熔融紡絲法制備pdlla ha復合纖維,探索了熔融紡絲過程中溫度、擠出機轉(zhuǎn)速、拉伸速率、加料速度和冷卻速率等一系列工藝參數(shù)的選擇及其影響因素。
The structure and mechanical properties of the filament with the different content of barium sulfate were discussed roundly . the effects of temperature , shearing force and the content of baso4 on the rheological behaviours were investigated 用不同配比的baso _ 4 / tpu共混切片進行熔融紡絲,將紡制的纖維進行后加工處理,以便獲得綜合性能較好的纖維。
In this paper , exhaustive studies on the mechanism of draw - interfacial phase separate micro - void , pan / pu blending system , melt spinning technology of pan / pu hollow fiber membrane , and the structure - property of pan / pu hollow fiber membrane were fulfilled 本文對拉伸相界面分離成孔機理, pan pu共混體系, pan pu中空纖維膜的熔融紡絲-拉伸致孔工藝及pan pu共混膜的結(jié)構和性能作了研究和探討。
The spinneret material used in melt spinning , the spinneret shape , the rheological behaviour of the melt in orifice , the spinneret microhole geometric important indexes , the orifice arrange mode , the orifice opened scope and distance , the spinneret thickness were introduced in detail 摘要介紹了熔融紡絲所用噴絲板的材質(zhì)、噴絲板形狀、熔體在噴絲孔中的流變特征,噴絲板微孔幾何形狀重要參數(shù),噴絲孔排列方式,開孔范圍及孔間距,噴絲板的厚度。