静电纺丝结合还原氮化法制备中空TiN纤维研究
发布时间：2018-07-25 10:09
【摘要】：通过静电纺丝技术制备出聚乙烯吡咯烷酮(PVP)模板纤维,以四氯化钛-乙醇混合液为前驱体溶液,采用模板浸渍工艺获得Ti O2纤维,在氨气气氛下1000℃氮化2 h得Ti N纤维。利用XRD和SEM研究分析浸渍液种类及浓度和浸渍时间对Ti N纤维的组成和形貌的影响。结果表明,采用二氯甲烷为溶剂时得到的Ti N纤维交联较轻;浸渍时间为1 min时,纤维连续且表面平滑;浸渍液中Ti4+浓度为0.25 mol/L时获得的Ti N纤维物相较纯,呈圆柱状且内部中空,连续性好。
[Abstract]:Poly (vinylpyrrolidone) (PVP) template fiber was prepared by electrospinning technique. Titanium tetrachloride / ethanol mixture was used as precursor solution to obtain TIO _ 2 fiber by template impregnation. Tin fiber was nitrided at 1000 鈩，
本文编号：2143476
[Abstract]:Poly (vinylpyrrolidone) (PVP) template fiber was prepared by electrospinning technique. Titanium tetrachloride / ethanol mixture was used as precursor solution to obtain TIO _ 2 fiber by template impregnation. Tin fiber was nitrided at 1000 鈩，
本文编号：2143476
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