The suitable spinning parameters are: temperature 300~306℃, N2 pressure 1.0~1.8MPa, take-up rate 250~450rpm. Under these conditions, trilobal pitch fibers could be obtained with Edo 25~35μm and Dp 0.55~0.60.
合适纺丝工艺为:温度300～306℃、压力1.0～1.8MPa、收丝速率250～450rpm,可得到当量直径为25～35μm、异形度为0.55～0.60的三叶形载银沥青纤维。
参考来源 - 三叶形载银沥青基活性碳纤维的制备与性能·2,447,543篇论文数据，部分数据来源于NoteExpress
通过先驱体转化法，制备出三叶形、三折叶形和T形截面碳化硅纤维。
Trilobal, swirl-shaped and T-shaped SiC fibers were prepared from precursor polymer.
掺入的三叶形聚丙烯单丝纤维长度越长，水泥砂浆的抗干缩开裂性越好；
The longer the length of trefoil polypropylene filament fiber, the better the anti-dry-shrinkage cracking property of cement mortar.
圆形横截面纤维在棉网和棉条中，比三叶形横截面纤维能产生较大的粘著作用。
It was found that fibers of circular cross section produce greater cohesion in webs and slivers than do trilobal fibers.
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