In this section, you can access to the latest technical information related to the FUTURE project topic.

Preparation of nanocellulose in high yield via chemi-mechanical synergy

Nanocellulose has gained increasing attention due to its excellent properties and wide application prospect. However, fast and low-waste preparation of nanocellulose is still challenging. Here, a time-saving and low-cost chemi-mechanical method was proposed to prepare cellulose nanocrystals (D-CNCs) and cellulose nanofibers (D-CNFs) by dilute sulfuric acid hydrolysis and the homogenization of the un-hydrolyzed cellulose residues, respectively. After hydrolyzed by 0.3 wt% sulfuric acid at 160 ?C for 2 h, the diameter and length distribution of the obtained D-CNCs were 16 ? 45 nm and 150 ? 600 nm, respectively. The yield of D-CNCs and D-CNFs reached to 15.78 % and 69.11 %. The thermostability of D-CNCs was more superior to CNCs manufactured by 64 wt% sulfuric acid. In conclusion, this approach offers a promising strategy for high yield of nanocellulose due to its easy operation and low pollution.

» Author: Jiajia Wang, Jun Xu, Shiyun Zhu, Qiqi Wu, Jinpeng Li, Yi Gao, Bin Wang, Jun Li, Wenhua Gao, Jinsong Zeng, Kefu Chen

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