水中カウンターコリジョン法によるセルロースナノファイバーの作製

DOI Web Site 被引用文献3件 参考文献47件

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タイトル別名
  • Preparation of Single Cellulose Nanofibers Dispersed in Water Using Aqueous Counter Collision Method
  • スイチュウ カウンターコリジョンホウ ニ ヨル セルロースナノファイバー ノ サクセイ

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Recently, the authors proposed aqueous counter collision (= ACC) method to allow bio-based materials to be downsized into nano-objects only using a pair of high speeded water jets as the medium without chemical modification of molecules including depolymerization. In this ACC system, an aqueous suspension containing micro-seized samples, which are pre-divided into a pair of facing nozzles, are supposed to collide with each other at a high rate, resulting in wet and rapid pulverization of the samples into nano-scaled objects dispersed in water. The obtained materials are more downsized by repeating the collision and increasing in the ejecting pressure. In particular, width of the ACC-treated objects was controlled as desired on the nanoscales, resulting in preferable larger specific surface areas. The fibers thus prepared are expected to exhibit unique morphological properties including change of the crystalline form. In this review, the author will describe a general introduction of ACC method, and then an example of the ACC method for microbial cellulose pellicle produced by Gluconacetobacter xylinus to provide the characteristic single cellulose nanofibers having a high adsorptivity including alteration of crystalline phases. The properties can open up further pathways into versatile applications such as unique composite materials and coating agents.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 85 (12), 400-405, 2012

    一般社団法人 日本ゴム協会

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