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首页> 外文会议>49th International wood composites symposium >Nanoparticle Impregnation Treatment of Natural Fiber for Functional Biocomposites
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Nanoparticle Impregnation Treatment of Natural Fiber for Functional Biocomposites

机译：功能性生物复合材料天然纤维的纳米粒子浸渍处理

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摘要

This research presents a novel in situ nanoparticle impregnation treatment of the lignocellulosic fibers for functional composite products. Unlike other synthetic fibers (glass fibers, carbon fibers, etc.), the cell wall structure of cellulosic fibers contains many micropores, where the nanophase can be easily deposited into. This technique takes advantage of the porous structure of the cellulosic fibers permitting the nanophases to be more evenly distributed into the resulted products. By the impregnation treatment of the cellulosic fiber with different nanophases (such as noble metals, iron, iron oxides, and etc.), the resulted products will present certain functions, such as magnetic, anti static, anti radiation, anti permeation, anti microbial, and etc. While directly impregnating the commercial nanoparticles into the cellulosic fibers can be difficult and costly, the in situ nanophase impregnation technique is to introduce the ionic liquids into the micropore structure of the cellulosic fibers consecutively. When a precursor applies at certain conditions (such as increasing the temperature), the impregnated chemicals react inside the micrpores of the fibers and to form the desired nanoparticles. The presentation uses the iron oxide nanoparticle impregnation as an example, describes a magnetizing process of natural fiber through the in situ nanoparticle impregnation treatment to create magnetic composite panel product for different applications, such as signal shielding panel. The presentation also discusses a novel magnetic activated carbon product through the in situ nanoparticle treatment technology.
机译：这项研究提出了功能性复合产品的木质纤维素纤维的一种新的原位纳米粒子浸渍处理。与其他合成纤维（玻璃纤维，碳纤维等）不同，纤维素纤维的细胞壁结构包含许多微孔，纳米相可轻松沉积在其中。该技术利用了纤维素纤维的多孔结构，使纳米相可以更均匀地分布在生成的产品中。通过对纤维素纤维进行不同纳米相（例如贵金属，铁，氧化铁等）的浸渍处理，所得产品将具有一定的功能，如磁性，抗静电，抗辐射，抗渗透，抗微生物尽管将商业纳米颗粒直接浸渍到纤维素纤维中可能是困难且昂贵的，但是原位纳米相浸渍技术是将离子液体连续地引入到纤维素纤维的微孔结构中。当前体在某些条件下（例如提高温度）使用时，浸渍的化学物质会在纤维的微孔内发生反应，形成所需的纳米粒子。本演示以氧化铁纳米粒子浸渍为例，描述了天然纤维通过原位纳米粒子浸渍处理的磁化过程，以创建用于不同应用的磁性复合板产品，例如信号屏蔽板。演讲还讨论了通过原位纳米粒子处理技术的新型磁性活性炭产品。

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