Self-Healing, Water-Retaining, Antifreeze, Conductive PVA/PAA-PAM-IS/GC Composite Hydrogels for Strain and Temperature Sensors - Details

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In　this　paper,　PVA/PAA-PAM-IS/GC　composite　hydrogels　are　prepared　using　polyvinyl　alcohol　(PVA),　poly　acrylic　acid　(PAA),　poly　acrylamide　(PAM),　and　iron　sulfate　hydrate　(IS)　glycerol　(GC).　The　crosslinking　network　is　formed　by　the　coordination　of　carboxyl　groups　with　ions,　which　forms　PVA　with　semi-interpenetrating　network.　The　mechanical　properties　and　self-healing　properties　of　PVA/PAA-PAM-IS/GC　composite　hydrogels　are　excellent.　The　stress,　strain　and　self-healing　efficiency　of　PVA/PAA-PAM-IS/GC　composite　hydrogels　can　reach　840 kPa,　784%,　and　above　95%,　respectively.　The　antifreeze　and　water　retention　properties　of　PVA/PAA-PAM-IS/GC　composite　hydrogels　are　improved　by　glycerol.　PVA/PAA-PAM-IS/GC　composite　hydrogels　remains　flexible　at　low　temperatures　and　moist　for　a　long　time　at　room　temperature.　The　conductivity　of　the　hydrogel　increases　with　the　increase　of　temperature　because　the　interactions　between　glycerol,　water　molecules　and　ammonium　ions　are　affected　by　the　temperature,　the　multifunctional　conductive　hydrogel　can　be　used　in　strain　sensing　and　temperature　sensing.　In　summary,　PVA/PAA-PAM-IS/GC　composite　hydrogels　can　provide　a　guide　in　the　field　of　electronic　intelligence.　©　2022　Wiley-VCH　GmbH.

Keyword：

Amides Glycerol Hydrogels Ions Iron compounds Molecules Self-healing materials Sulfur compounds Temperature sensors

Community：

[ 1 ] [Min, Jinbiao]College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 2 ] [Min, Jinbiao]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
[ 3 ] [Min, Jinbiao]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
[ 4 ] [Zhou, Zhaoxi]School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou; 510640, China
[ 5 ] [Zheng, Jia]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
[ 6 ] [Zheng, Jia]College of chemical industry, Fuzhou University, Fuzhou; 350116, China
[ 7 ] [Yan, Caibin]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
[ 8 ] [Sha, Hongyuan]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
[ 9 ] [Hong, Maochun]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
[ 10 ] [Hong, Maochun]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
[ 11 ] [Fu, Heqing]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
[ 12 ] [Fu, Heqing]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
[ 13 ] [Fu, Heqing]School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou; 510640, China

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Source ：

Macromolecular Materials and Engineering

ISSN： 1438-7492

Year： 2022

Issue： 7

Volume： 307

3 . 9

JCR@2022

4 . 2 0 0

JCR@2023

ESI HC Threshold：91

JCR Journal Grade：2

CAS Journal Grade：3

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count： 23

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 1

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