DataVXACS Applied Polymer MaterialsPaper
journal article·2021-06-11

Use of Quadruple Hydrogen Bonding as the Switching Phase in Thermo- and Light-Responsive Shape Memory Hydrogel

Yufang Song, Yiming Chen, Ran Chen, Hongji Zhang, Dongjian Shi, Yang Wang, Weifu Dong, Piming Ma, Yue Zhao

ACS Applied Polymer Materials· Volume 3· Issue 6
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Source abstract

Abstract

2-Ureido-4[1H]-pyrimidinone (UPy) is widely deployed in bulk materials for switching phase or physical cross-linking because of exceptional quadruple H-bond strength and thermal reversibility. However, utilization of UPy dimers as the switching phase to prepare shape memory hydrogels has been rarely explored due to the competition with water molecules. Herein, hydrogels with high UPy contents are synthesized and exhibit excellent shape memory ability, even at high water contents. By introduction of tetraphenylporphyrin into hydrogels, the shape memory behavior can further be controlled by light through a photothermal effect. This finding offers possibilities for applications of UPy in developing shape memory hydrogels.
Source: openalex_inverted_index · Quality: baseline

Research context

Polymers

OpenAlex topics: Polymer composites and self-healing · Photochromic and Fluorescence Chemistry · Supramolecular Self-Assembly in Materials

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

Affiliations

Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China

Département de chimie, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada

Funding

China Postdoctoral Science Foundation · Fonds de Recherche du Qu?bec - Nature et Technologies · Natural Science Foundation of Jiangsu Province · Natural Sciences and Engineering Research Council of Canada · Jiangnan University · Higher Education Discipline Innovation Project

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