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Aluminum oxide-based nano ceramic fiber material with core-shell structure and preparation method of aluminum oxide-based nano ceramic fiber material
The invention discloses an aluminum oxide-based nano ceramic fiber material with a core-shell structure and a preparation method of the aluminum oxide-based nano ceramic fiber material, and belongs to the technical field of inorganic non-metallic materials. The core-shell structure aluminum oxide-based nano ceramic fiber takes silicon dioxide as a shell layer structure and aluminum oxide as a core layer, has a smooth surface, and has a fiber diameter of 550-700nm and a shell layer thickness of 30-110nm. The preparation method comprises the following steps: mixing aluminum sol and a spinning auxiliary agent to obtain a spinning solution with stable properties, preparing spinning precursor fibers through an electrostatic spinning technology, carrying out sintering treatment to obtain an aluminum oxide nanofiber membrane, dispersing the aluminum oxide nanofiber membrane, filtering, and generating a silicon dioxide shell layer on the surface of the aluminum oxide nanofiber to obtain the aluminum oxide nanofiber membrane. And centrifugally drying to obtain the aluminum oxide-based nano ceramic fiber with the core-shell structure. The aluminum oxide-based nano ceramic fiber with the core-shell structure prepared by the method is stable in performance and wide in applicable temperature range, and a composite material of the aluminum oxide-based nano ceramic fiber can be prepared according to different use conditions.
本发明的一种核壳结构氧化铝基纳米陶瓷纤维材料及其制备方法，属于无机非金属材料技术领域。以二氧化硅作为壳层结构，氧化铝作为芯层，具有光滑表面的核壳结构氧化铝基纳米陶瓷纤维，纤维直径为550～700nm，壳层厚度为30～110nm。制备方法是将铝溶胶与纺丝助剂混合后得到性质稳定的纺丝液，通过静电纺丝技术制备出纺成前驱体纤维，经过烧结处理得到氧化铝纳米纤维膜，将氧化铝纳米纤维膜分散后过滤，通过在氧化铝纳米纤维表面生成二氧化硅壳层，离心干燥后得到核壳结构氧化铝基纳米陶瓷纤维。本发明制备的核壳结构氧化铝基纳米陶瓷纤维性能稳定，适用温度范围广，可以根据不同使用条件制备其复合材料。
Aluminum oxide-based nano ceramic fiber material with core-shell structure and preparation method of aluminum oxide-based nano ceramic fiber material
The invention discloses an aluminum oxide-based nano ceramic fiber material with a core-shell structure and a preparation method of the aluminum oxide-based nano ceramic fiber material, and belongs to the technical field of inorganic non-metallic materials. The core-shell structure aluminum oxide-based nano ceramic fiber takes silicon dioxide as a shell layer structure and aluminum oxide as a core layer, has a smooth surface, and has a fiber diameter of 550-700nm and a shell layer thickness of 30-110nm. The preparation method comprises the following steps: mixing aluminum sol and a spinning auxiliary agent to obtain a spinning solution with stable properties, preparing spinning precursor fibers through an electrostatic spinning technology, carrying out sintering treatment to obtain an aluminum oxide nanofiber membrane, dispersing the aluminum oxide nanofiber membrane, filtering, and generating a silicon dioxide shell layer on the surface of the aluminum oxide nanofiber to obtain the aluminum oxide nanofiber membrane. And centrifugally drying to obtain the aluminum oxide-based nano ceramic fiber with the core-shell structure. The aluminum oxide-based nano ceramic fiber with the core-shell structure prepared by the method is stable in performance and wide in applicable temperature range, and a composite material of the aluminum oxide-based nano ceramic fiber can be prepared according to different use conditions.
本发明的一种核壳结构氧化铝基纳米陶瓷纤维材料及其制备方法，属于无机非金属材料技术领域。以二氧化硅作为壳层结构，氧化铝作为芯层，具有光滑表面的核壳结构氧化铝基纳米陶瓷纤维，纤维直径为550～700nm，壳层厚度为30～110nm。制备方法是将铝溶胶与纺丝助剂混合后得到性质稳定的纺丝液，通过静电纺丝技术制备出纺成前驱体纤维，经过烧结处理得到氧化铝纳米纤维膜，将氧化铝纳米纤维膜分散后过滤，通过在氧化铝纳米纤维表面生成二氧化硅壳层，离心干燥后得到核壳结构氧化铝基纳米陶瓷纤维。本发明制备的核壳结构氧化铝基纳米陶瓷纤维性能稳定，适用温度范围广，可以根据不同使用条件制备其复合材料。
Aluminum oxide-based nano ceramic fiber material with core-shell structure and preparation method of aluminum oxide-based nano ceramic fiber material
一种核壳结构氧化铝基纳米陶瓷纤维材料及其制备方法
SONG XIAOLEI (author) / MIAO JINGHAO (author) / RAN XU (author) / DUAN ZHENXIN (author) / LI MINGDI (author) / HAN YING (author) / CHEN HUA (author)
2024-06-07
Patent
Electronic Resource
Chinese
IPC:
D01F
Chemische Gesichtspunkte bei der Herstellung von produzierten Filamenten, Zwirnen, Fasern, Borsten oder Bändern
,
CHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
/
C04B
Kalk
,
LIME
/
D04H
Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material
,
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL
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