Mechanical Properties of Paper Saturated With a Hydrophobic Ionic Liquid

Authors

  • Christiane Helbrecht Paper Technology and Mechanical Process Engineering, Technical University of Darmstadt
  • Fabian Schmitt Technical Chemistry, Technical University of Darmstadt
  • Tobias Meckel Macromolecular and Paper Chemistry, Technical University of Darmstadt
  • Markus Biesalski Macromolecular and Paper Chemistry, Technical University of Darmstadt
  • Bastian J. M. Etzold Technical Chemistry, Technical University of Darmstadt
  • Samuel Schabel Paper Technology and Mechanical Process Engineering, Technical University of Darmstadt

Keywords:

Ionic liquid, Paper tensile strength, Lateral flow test, Paper wet strength, Microfluidic paper-based analytical device

Abstract

Research into paper-based devices and ionic liquids has increased considerably in the past few years. Thus, the combination of paper-based devices with ionic liquids is also becoming an increasingly frequent research subject. However, the influence of the ionic liquid on the paper properties has been hardly considered. In this paper, the influence of a hydrophobic ionic liquid (1-butyl-3-methylimidazolium bis(trifluoromethyl-sulfonyl)imide) on the mechanical properties of laboratory paper, isotropic and oriented, made from eucalyptus sulfate and cotton linters, is investigated. The tensile strength, elastic modulus, and breaking strain of papers saturated with ionic liquid were about 60 to 90% of the dry paper characteristics. In contrast to water, the breaking strain did not increase in the presence of the ionic liquid. This is because the ionic liquid only slightly swelled the fibers.

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Published

2023-02-24

Issue

Vol. 18 No. 2 (2023)

Section

Research Article or Brief Communication