Construction and Application of Biobased PDES Ionic Gels with a Soft–Hard Segment
Source abstract
Abstract
Ionic gels composed of bio-based precursors, such as itaconic acid (IA), are promising for flexible materials. However, IA, a bio-derived monomer for free radical polymerization, faces the challenge of spatial hindrance. Herein, we introduced a choline chloride (ChCl)–IA deep eutectic system to prepare poly deep eutectic solvents (PDESs) as the soft segment and acrylamide (AM) as the precursor of the polymer hard segment to form P(IA- co -AM) ionic gel, driven by hydrogen bonding. Molecular dynamics (MD) well confirms that poly AM (PAM) and ChCl can defeat the spatial resistance caused by −C═C and −COOH of IA. Furthermore, the hard segment PAM provided enhanced strength of the ionic gel trough 21 to 850 kPa. The free volume fraction then demonstrated that the P(IA1- co -AM1.1) ionic gel had both a porous mesh structure and electrical conductivity. This further confirmed that the P(IA- co -AM) ionic gel with high tensile strength, light transmittance, and excellent stability could sense the bending of the human finger and wrist with a gauge factor of 1.82.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Dielectric materials and actuators · Supercapacitor Materials and Fabrication
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
Jiangsu Engineering Research Center of Fast-growing Trees and Agri-fiber Materials, Nanjing 210037, Jiangsu, China
Centro de Física Aplicada y Tecnología Avanzada (CFATA), Universidad Nacional Autónoma de México (UNAM), Querétaro QRO 76230, Mexico
Funding
Jiangsu Provincial Department of Education · Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China
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