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A platform for research: civil engineering, architecture and urbanism
Two-dimensional boron nitride full-ceramic fiber as well as preparation method and application thereof
The invention provides a two-dimensional boron nitride full-ceramic fiber and a preparation method and application thereof.The preparation method comprises the steps that a two-dimensional boron nitride dispersion liquid is provided and comprises two-dimensional boron nitride nanosheets and an organic solvent; adding an organic adhesive into the two-dimensional boron nitride dispersion liquid to obtain a mixed liquid; spinning the mixed solution by adopting wet spinning to obtain a gelatinous first fiber body; performing hot pressing on the first fiber body to obtain a second fiber body; pre-sintering the second fiber body in an oxygen-containing atmosphere to remove organic matters so as to obtain a precursor; in inert gas, Joule heat sintering is adopted for the precursor, and the two-dimensional boron nitride full-ceramic fiber is obtained.
本申请提供了一种二维氮化硼全陶瓷纤维、其制备方法及应用，所述制备方法包括：提供二维氮化硼分散液，所述二维氮化硼分散液包括二维氮化硼纳米片和有机溶剂；在所述二维氮化硼分散液中加入有机胶粘剂，得到混合液；采用湿法纺丝将所述混合液进行纺丝得到凝胶状的第一纤维体；对所述第一纤维体进行热压，得到第二纤维体；在含氧气氛中，对所述第二纤维体进行预烧结，以除去有机物，得到前驱体；在惰性气体中，采用焦耳热烧结所述前驱体，得到二维氮化硼全陶瓷纤维。
Two-dimensional boron nitride full-ceramic fiber as well as preparation method and application thereof
The invention provides a two-dimensional boron nitride full-ceramic fiber and a preparation method and application thereof.The preparation method comprises the steps that a two-dimensional boron nitride dispersion liquid is provided and comprises two-dimensional boron nitride nanosheets and an organic solvent; adding an organic adhesive into the two-dimensional boron nitride dispersion liquid to obtain a mixed liquid; spinning the mixed solution by adopting wet spinning to obtain a gelatinous first fiber body; performing hot pressing on the first fiber body to obtain a second fiber body; pre-sintering the second fiber body in an oxygen-containing atmosphere to remove organic matters so as to obtain a precursor; in inert gas, Joule heat sintering is adopted for the precursor, and the two-dimensional boron nitride full-ceramic fiber is obtained.
本申请提供了一种二维氮化硼全陶瓷纤维、其制备方法及应用，所述制备方法包括：提供二维氮化硼分散液，所述二维氮化硼分散液包括二维氮化硼纳米片和有机溶剂；在所述二维氮化硼分散液中加入有机胶粘剂，得到混合液；采用湿法纺丝将所述混合液进行纺丝得到凝胶状的第一纤维体；对所述第一纤维体进行热压，得到第二纤维体；在含氧气氛中，对所述第二纤维体进行预烧结，以除去有机物，得到前驱体；在惰性气体中，采用焦耳热烧结所述前驱体，得到二维氮化硼全陶瓷纤维。
Two-dimensional boron nitride full-ceramic fiber as well as preparation method and application thereof
二维氮化硼全陶瓷纤维、其制备方法及应用
QIU LING (author) / CHENG HUIMING (author) / DING SIYUAN (author) / LIU MINSU (author)
2024-03-29
Patent
Electronic Resource
Chinese
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