One-pot solvent exchange preparation of non-swellable, thermoplastic, stretchable and adhesive supramolecular hydrogels based on dual synergistic physical crosslinking
Feng, Q; Wei, KC; Zhang, KY; Yang, BG; Tian, F; Wang, GX; Bian, LM
2018
发表期刊NPG ASIA MATERIALS
ISSN1884-4049
卷号10页码:-
文章类型期刊论文
摘要With their unique properties of self-healing and viscoelasticity, physically crosslinked supramolecular hydrogels are promising materials for soft robotics, wearable electronics and biomedical applications. However, the weak mechanical properties of supramolecular hydrogels, especially those prepared with natural polymers, limit their wide-spread application, and swelling is one of the key factors that contributes to the weakening of hydrogels. Herein, we utilize a simple one-pot solvent exchange method to prepare non-swellable, thermoplastic and tough supramolecular gelatin hydrogels based on two synergistic physical crosslinkings, namely, the self-assembled tri-helix structure of gelatin and the hydrophobic aggregation of gelatin-grafted and free hydrophobic motifs. The obtained hydrogels possess a stable water content above 70% with extended incubation in water. These hydrogels are highly malleable upon heating but are extremely stretchable and tough after cooling to room temperature. Furthermore, the supramolecular gelatin hydrogels exhibit robust adhesion to various material surfaces and minimal cytotoxicity.
关键词Guest Inclusion Complexes Mechanical-properties Regeneration Tough Polymerization Cyclodextrins Cartilage Network
DOI10.1038/am.2017.208
收录类别SCI
语种英语
WOS记录号WOS:000425290000001
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29095
专题中科院上海应用物理研究所2011-2018年
作者单位1.Feng, Q
2.Wei, KC
3.Zhang, KY
4.Yang, BG
5.Tian, F
6.Wang, GX
7.Bian, LM
推荐引用方式
GB/T 7714
Feng, Q,Wei, KC,Zhang, KY,et al. One-pot solvent exchange preparation of non-swellable, thermoplastic, stretchable and adhesive supramolecular hydrogels based on dual synergistic physical crosslinking[J]. NPG ASIA MATERIALS,2018,10:-.
APA Feng, Q.,Wei, KC.,Zhang, KY.,Yang, BG.,Tian, F.,...&Bian, LM.(2018).One-pot solvent exchange preparation of non-swellable, thermoplastic, stretchable and adhesive supramolecular hydrogels based on dual synergistic physical crosslinking.NPG ASIA MATERIALS,10,-.
MLA Feng, Q,et al."One-pot solvent exchange preparation of non-swellable, thermoplastic, stretchable and adhesive supramolecular hydrogels based on dual synergistic physical crosslinking".NPG ASIA MATERIALS 10(2018):-.
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