Microhoneycomb Monoliths Prepared by the Unidirectional Freeze-drying of Cellulose Nanofiber Based Sols: Method and Extensions

8.8K Views

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09:20 min

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May 24th, 2018

DOI :

10.3791/57144-v

May 24th, 2018

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Zheng-Ze Pan¹^,², Hirotomo Nishihara³, Wei Lv¹, Cong Wang¹^,², Yi Luo¹^,², Liubing Dong¹^,², Houfu Song¹^,⁴, Wenjie Zhang², Feiyu Kang¹^,²^,⁴, Takashi Kyotani³, Quan-Hong Yang¹^,⁴^,⁵

¹Engineering Laboratory for Functionalized Carbon Materials and Shenzhen Key Laboratory for Graphene-based Materials, Graduate School at Shenzhen, Tsinghua University, ²School of Materials Science and Engineering, Tsinghua University, ³Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, ⁴Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, ⁵School of Chemical Engineering and Technology, Tianjin University

Summary

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Keywords Cellulose Nanofibers

Microhoneycomb Monoliths

Unidirectional Freeze drying

Tempo mediated Oxidation

Cellulose Nanofiber Sol

Softwood Bleached Kraft Pulp

Chapters in this video

0:04

Title

0:57

Preparation of 1 wt% (2,2,6,6-Tetramethylpiperidin-1-yl) oxyl (TEMPO)-mediated Oxidized Cellulose Nanofiber (TOCN) Sol

4:01

Preparation of TOCN-TiO₂ and TOCN-surface-oxidized Carbon Fiber (SOCF) Mixed Sols

4:59

Microhoneycomb Monolith (MHM) Preparation from 1 Wt% TOCN Sol (MHM-TOCN) or TOCN Mixed Sols (MHM-TOCN/SBR, MHM-TOCN/TiO₂, MHM-TOCN/SOCF)

6:54

Results: Morphologies of the MHM-TOCN, MHM-TOCN/SBR, MHM-TOCN/TiO₂, and MHM-TOCN/SOCF

8:39

Conclusion

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