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Method of in situ bioproduction and composition of bacterial cellulose nanocomposites

机译:细菌纤维素纳米复合材料的原位生物生产和组成方法

摘要

Provided are novel methods for making cellulose nanocomposites, comprising biosynthesis of cellulose fibrils in situ using a growth medium comprising a polymer matrix material, under conditions suitable to provide for dispersion of the fibril throughout the growth medium as the fibrils are being formed to provide a cellulose nanocomposite material or film wherein the cellulose fibrils are highly or uniformly dispersed in the cellulose nanocomposite material, and wherein fibril structure and/or nanocomposite composition is customizable. Certain method aspects further comprise removing or separating the cellulose nanocomposite material or film from the medium, and may further comprise washing the cellulose nanocomposite material or film to remove residual medium. Particular aspects further comprise freeze-drying the cellulose nanocomposite material or film, and/or further comprise forming a molded product using the cellulose nanocomposite material or film. Compositions made by the methods are provided.
机译:提供新颖的制备纤维素纳米复合材料的方法,包括使用包含聚合物基质材料的生长培养基在适合于在形成原纤维以形成原纤维以提供纤维素的条件下,原位生物合成纤维素原纤维的方法,以在整个生长培养基中分散原纤维。纳米复合材料或膜,其中纤维素原纤维高度或均匀地分散在纤维素纳米复合材料中,并且其中原纤维结构和/或纳米复合成分是可定制的。某些方法方面还包括从介质中去除或分离纤维素纳米复合材料或膜,并且还可以包括洗涤纤维素纳米复合材料或膜以去除残留的介质。特定方面进一步包括将纤维素纳米复合材料或膜冷冻干燥,和/或进一步包括使用纤维素纳米复合材料或膜形成模制产品。提供了通过所述方法制备的组合物。

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