Methylcellulose–cellulose nanocrystal composites for optomechanically tunable hydrogels and fibers

Ville Hynninen, Jani Patrakka, Nonappa

Research output: Contribution to journalReview ArticleScientificpeer-review

Abstract

Chemical modification of cellulose offers routes for structurally and functionally diverse biopolymer derivatives for numerous industrial applications. Among cellulose derivatives, cellulose ethers have found extensive use, such as emulsifiers, in food industries and biotechnology. Methylcellulose, one of the simplest cellulose derivatives, has been utilized for biomedical, construction materials and cell culture applications. Its improved water solubility, thermoresponsive gelation, and the ability to act as a matrix for various dopants also offer routes for cellulose-based functional materials. There has been a renewed interest in understanding the structural, mechanical, and optical properties of methylcellulose and its composites. This review focuses on the recent development in optically and mechanically tunable hydrogels derived from methylcellulose and methylcellulose–cellulose nanocrystal composites. We further discuss the application of the gels for preparing highly ductile and strong fibers. Finally, the emerging application of methylcellulose-based fibers as optical fibers and their application potentials are discussed.

Original languageEnglish
Article number5137
JournalMaterials
Volume14
Issue number18
DOIs
Publication statusPublished - Sep 2021
Publication typeA2 Review article in a scientific journal

Keywords

  • Birefringence
  • Cellulose nanocrystal
  • Hydrogel
  • LCST
  • Methylcellulose
  • Nanocomposite
  • Optical fiber
  • Thermoresponsive
  • Wet-spinning

Publication forum classification

  • Publication forum level 1

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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