DataVXAdvanced Materials TechnologiesPaper
journal article·2023-04

Bioinspired Strong, Tough, and Biodegradable Poly(Vinyl Alcohol) and its Applications as Substrates for Humidity Sensors

Lei Liu, Xiaodong Xu, Menghe Zhu, Xihua Cui, Jiabing Feng, Zahra Faraji Rad, Hao Wang, Pingan Song

Advanced Materials Technologies· Volume 8· Issue 7
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Source abstract

Abstract

Abstract Biodegradable polymeric materials with high strength and outstanding toughness are necessary for real‐world applications in the fields of electronics, electrics, and packaging. Unfortunately, such performance portfolios in polymers remain challenging to achieve due to their different governing mechanisms. Inspired by the hydrogen‐bond (H‐bond) cross‐linking structure of spider silk, herein, strong and tough poly(vinyl alcohol) (PVA) composites with β‐cyclodextrin as a cross‐linker are developed. Benefiting from the H‐bond cross‐linking effect, the addition of 1.0 wt% of β‐cyclodextrin enables PVA to achieve a high tensile strength of 136.5 MPa, and a high elastic modulus of 3.0 GPa, in combination with a good toughness of 82.1 MJ m−3. In addition, the presence of β‐cyclodextrin improves the biodegradability of PVA composite by decreasing its crystalline size. Furthermore, PVA/β‐cyclodextrin composite combined with MXene has great potential as a sensor material for humidity and strain detection. This proof‐of‐concept opens numerous opportunities to create strong, tough, and biodegradable polymers for packing and sensing applications.
Source: crossref · Quality: baseline

Research context

PolymersComposites

OpenAlex topics: MXene and MAX Phase Materials · Advanced Sensor and Energy Harvesting Materials · Polydiacetylene-based materials and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao 266061 China

The Collaborative Innovation Center for Eco‐Friendly and Fire‐Safety Polymeric Materials (MoE) National Engineering Laboratory of Eco‐Friendly Polymeric Materials (Sichuan) State Key Laboratory of Polymer Materials Engineering College of Chemistry Sichuan University Chengdu 610064 China

China‐Australia Institute for Advanced Materials and Manufacturing College of Materials and Textile Engineering Jiaxing University Jiaxing 314001 China

Centre for Future Materials University of Southern Queensland Springfield 4300 Australia

School of Engineering University of Southern Queensland Springfield 4300 Australia

School of Agriculture and Environmental Science University of Southern Queensland Springfield 4300 Australia

Funding

Australian Research Council · National Natural Science Foundation of China

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