考察了纳米SiO2对P肌纤维力学性能的影响,并采用WAXD、FT-IR、DSC、双折射等手段对纤维的微观结构进行了表征.研究表明,纳米SiO2的加入提高了PET纤维的力学性能,且PET/SiO2纳米复合纤维在结晶度略有降低的情况下,非晶区取向度明显提高.非晶区取向度的提高是PET/SiO2纤维力学性能提高的根本原因.
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