Multifunctional Bionanocomposite Foams with a Chitosan Matrix Reinforced by Nanofibrillated Cellulose

Yushu Wang, Kojiro Uetani, Shouxin Liu, Xianquan Zhang, Yucai Wang, Ping Lu, Tong Wei, Zhuangjun Fan, Jing Shen, Haipeng Yu, Shuya Li, Qi Zhang, Qing Li, Juanjuan Fan, Ningning Yang, Qingwen Wang, Yixing Liu, Jun Cao, Jian Li, Wenshuai Chen

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Multifunctional bionanocomposite foams with 3D interconnected networks showing advantageous mechanical properties, thermal insulation, underwater oleophobicity, and biocompatibility, were made from a chitosan matrix reinforced with nanofibrillated cellulose (NFC). The density of the NFC–chitosan nanocomposite foams can be controlled by varying the NFC/chitosan weight ratio and solid content of the suspension in the fabrication process. The mechanical properties and thermal stability of the nanocomposite foams were significantly improved by increasing the ratio of NFC, and effective thermal insulating performance was exhibited for temperature extremes at 0 °C and 70 °C. Moreover, the NFC–chitosan nanocomposite foams showed a highly efficient oil/water separation capacity even at a severe temperature of 90 °C. In addition, the nanocomposite foams possessed good biocompatibility toward L929 mouse fibroblasts. Therefore, the bionanocomposite foams are available for a number of applications, including as disposable and high-performance filtration media for water purification, packaging, and biological scaffolds.

Original languageEnglish (US)
Pages (from-to)98-108
Number of pages11
JournalChemNanoMat
Volume3
Issue number2
DOIs
StatePublished - Feb 1 2017
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biomaterials
  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Materials Chemistry

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