【摘要】 本文研究了用于制造碳纤维的石油沥青的纺丝工艺,包括纺丝温度,压力,速度及沥青的结构和性质对纺丝性能的影响。探讨了纺丝熔体的流变学特性。找出了用控制熔体粘度在10Pa·s泊左右来选择纺丝最佳温度的方法,及用增加纺丝压力来提高可纺性的可能性。更多还原

【Abstract】 In the paper, the spinning parameters of pitches from petroleum residues for manufacturing carbon fiber is investigated. The effects of the spinning temperature, pressure, speed and the pitch’s structures and properties to spinning quality are discussed. The method of choosing the best spinning temperature with controlling melt viscosity at about 10 Pa·s, and the ability of enhancing the pitch’s spinnability with raising spinning pressure are suggested.更多还原