Self-healing films based on chitosan containing citric acid/choline chloride deep eutectic solvent
Source abstract
Abstract
Plasticized chitosan films with high content (67–82 wt%) of natural deep eutectic solvent (NADES) based on citric acid and choline chloride were prepared by solution casting method. The thickness of films was 19 ± 3 μm. The self-healing and water vapor bending movement of prepared films were demonstrated. Maximal mechanical characteristics of 84% elongation at break and 18 MPa strength, were achieved for a film containing 67 wt% of NADES. The formation of hydrogen bond network in the chitosan film due to replacement of citric acid with NADES (citric acid/choline chloride) was observed with FTIR. It is proposed that this network is responsible for self-healing ability of the chitosan–citric acid–choline chloride films. Structure, morphology and thermal properties of the prepared films are also discussed.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Nanocomposite Films for Food Packaging · Ionic liquids properties and applications · Polymer composites and self-healing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (87)
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