Boron nitride nanosheet-embedded functional fiber and preparation method and application thereof

The invention relates to the technical field of fiber materials, and discloses a boron nitride nanosheet-embedded functional fiber and a preparation method and application thereof, the preparation method comprises the following steps: S1, modifying a hexagonal boron nitride nanosheet by dopamine; s2, the dopamine modified hexagonal boron nitride nanosheets are dissolved in a bacterial cellulose solution and evenly mixed, then the functional fibers are obtained through a wet spinning method, the extrusion speed of the wet spinning method is 3 mL/h, and the pre-stretching winding speed is 0.1 r/min-0. 9 r/min. According to the preparation method, the functional fiber is finally obtained, and the fiber with high heat conductivity and flexibility is obtained through the design of the steps of the method. 本发明涉及纤维材料技术领域，公开了一种嵌入氮化硼纳米片的功能纤维及其制备方法和应用，所述制备方法包括如下步骤：S1、多巴胺改性六方氮化硼纳米片；S2：将多巴胺改性六方氮化硼纳米片溶解于细菌纤维素溶液中，混合均匀，再采用湿法纺丝方法获得功能纤维，其中湿法纺丝方法的挤压速度为3mL/h，预拉伸卷绕速度为0.1r/min-0.9r/min。本发明的制备方法最终获得功能性纤维，通过方法步骤之间的设计，从而获得了一种具有较高热导率