Preparation of Magnetic ZSM-5/Ni Hollow Fibers Using Poly(vinylidene fluoride) Hollow Fiber Microfiltration Membranes as Templates
Source abstract
Abstract
以聚偏氟乙烯（PVDF）中空纤维微滤膜为模板,通过化学镀制备Ni/PVDF纤维,再经原位水热合成得到ZSM-5/Ni/PVDF纤维,最后经高温焙烧制得ZSM-5/Ni中空纤维.用SEM、EDX、XRD、BET、VSM和TG等对样品进行了表征.考察了水热处理次数和温度对ZSM-5沸石在Ni-P镀层上负载的影响,结果表明：化学镀能制得Ni/PVDF纤维,其磁性可控.在150℃下两次水热处理Ni/PVDF纤维24h可在镀层上得到致密连续的沸石层,控制水热处理温度可以控制镀层表面沸石层的厚度.在550℃的空气气氛中焙烧ZSM-5/Ni/PVDF纤维可以得到完整的ZSM-5/Ni中空纤维,150℃下两次水热处理24h得到的ZSM-5/Ni纤维,焙烧后其饱和磁化强度由9.3A·m^2/kg提高到20.3A·m^2/kg,其比表面积为108m^2/g.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Graphene research and applications · Advanced Sensor and Energy Harvesting Materials · Aerogels and thermal insulation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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