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Cellulose

, Volume 25, Issue 3, pp 1975–1986 | Cite as

Cellulose films from the aqueous DMSO/TBAH-system

  • Jing Cao
  • Wei Wei
  • Guangjun Gou
  • Man JiangEmail author
  • Yuhu Cui
  • Shengli Zhang
  • Yong Wang
  • Zuowan ZhouEmail author
Original Paper

Abstract

Regulation of pore defects is the critical technique for obtaining good performance of the cellulosic films. In this work, we have proved that the introduction of dimethyl sulfoxide into the new aqueous solvent system of tetrabutylammonium hydroxide can remarkably promote the dissolving capability of the natural cellulose. It is interesting to found that a suitable gelation during the aging process in preparing the cellulose films is very benefit for the mechanical performance of the prepared material. The relationship among process, structure and performance of the cellulose films has been researched. WAXD and FT-IR analysis have revealed the composition of cellulose II and IVII. The formed cellulose IVII with the structural characteristic of gel-like during the aging (gelation) process can serve as the uniform framework for heterogeneous regeneration of cellulose II, with which a cellulose films of network-like, good homogeneity and defect-free can be prepared. And synchronous enhancements of the tensile strength by 75% (from 78 to 137 MPa) and the elongation at break by 155% (from 4.63 to 11.80%) have been realized. The initial investigation in this work provides a sustainable approach to developing a facile process for high-performance materials from the natural cellulose.

Keywords

Cellulose films Gel Cellulose IV DMSO TBAH 

Notes

Acknowledgments

This work is financially supported by the National Natural Science Foundation of China (No. 51303151) and the Science and Technology Planning Project of Sichuan Province (2015RZ0003, 2016GZ0222 and 2016GZ0229).

Supplementary material

10570_2017_1639_MOESM1_ESM.doc (1.2 mb)
Supplementary material 1 (DOC 1201 kb)

Supplementary material 2 (3GP 12488 kb)

Supplementary material 3 (3GP 1292 kb)

Supplementary material 4 (3GP 13883 kb)

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and EngineeringSouthwest Jiaotong UniversityChengduChina
  2. 2.School of Geosciences and Environmental EngineeringSouthwest Jiaotong UniversityChengduChina

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