College of Textiles, Donghua University, Shanghai 201620, China.
Carbohydr Polym. 2012 Oct 1;90(2):1075-80. doi: 10.1016/j.carbpol.2012.06.046. Epub 2012 Jun 20.
Cellulose nanowhiskers is a kind of renewable and biocompatible nanomaterials evoke much interest because of its versatility in various applications. Here, for the first time, a novel controllable fabrication of cellulose nanowhiskers from jute fibers with a high yield (over 80%) via a 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)/NaBr/NaClO system selective oxidization combined with mechanical homogenization is reported. The versatile jute cellulose nanowhiskers with ultrathin diameters (3-10 nm) and high crystallinity (69.72%), contains C6 carboxylate groups converted from C6 primary hydroxyls, which would be particularly useful for applications in the nanocomposites as reinforcing phase, as well as in tissue engineering, pharmaceutical and optical industries as additives.
纤维素纳米晶须是一种可再生且生物相容的纳米材料，由于其在各种应用中的多功能性而引起了广泛关注。在这里，首次报道了一种通过 2,2,6,6-四甲基哌啶-1-氧自由基（TEMPO）/NaBr/NaClO 体系选择性氧化结合机械均化，从黄麻纤维中以高产率（超过 80%）制备纤维素纳米晶须的新型可控方法。这种多功能的黄麻纤维素纳米晶须具有超小径（3-10nm）和高结晶度（69.72%），其中包含由 C6 伯羟基转化而来的 C6 羧酸盐基团，这对于作为增强相在纳米复合材料中的应用，以及在组织工程、制药和光学工业中作为添加剂都将是特别有用的。
