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Ionic–Covalent Hybrid Tough Hydrogels Enabled by the in Situ Release of Metal Ions from Insoluble Salts or Alkalis AITranslate

Chun Li; Xiaohu Zhou; Dan Zhou; Fan Chen; Jiayan Shen; Huifang Li; Jie Zhang; Xuechang Zhou
Shenzhen University; Shenzhen University; Shenzhen University; Shenzhen University; Shenzhen University; Shenzhen University; Shenzhen University; Shenzhen University
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Publisher: ACS
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Abstract AITranslate

The ionic–covalent hybrid cross-linked tough hydrogels have been widely applied in various fields for their superior mechanical properties, but it is challenging to fabricate the hybrid gels with a controlled ionic cross-linking distribution. Here we report a robust, one-step fabrication method for alginate/polyacrylamide hydrogels with high stretchability, toughness, and self-recovery by the glucono-delta-lactone-triggered in situ release of metal ions from premixed insoluble metal salts or alkalis. The versatility of this method is demonstrated by employing several insoluble metal salts or alkalis, including CaCO3, BaCO3, Co(OH)2, Cu(OH)2, and La2(CO3)3·xH2O. This strategy provides an alternative method to synthesize homogeneous ionic–covalent hybrid cross-linked hydrogels.

KeyWords AITranslate

alginate/polyacrylamide hybrid hydrogel in situ release multivalent cations stretchability toughness
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.9b00960

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Citation Information:

The ionic–covalent hybrid cross-linked tough hydrogels have been widely applied in various fields for their superior mechanical properties, but it is challenging to fabricate the hybrid gels with a controlled ionic cross-linking distribution. Here we report a robust, one-step fabrication method for alginate/polyacrylamide hydrogels with high stretchability, toughness, and self-recovery by the glucono-delta-lactone-triggered in situ release of metal ions from premixed insoluble metal salts or alkalis. The versatility of this method is demonstrated by employing several insoluble metal salts or alkalis, including CaCO3, BaCO3, Co(OH)2, Cu(OH)2, and La2(CO3)3·xH2O. This strategy provides an alternative method to synthesize homogeneous ionic–covalent hybrid cross-linked hydrogels.

quote

GB/T 7714-2015 [1] Chun Li, Xiaohu Zhou, Dan Zhou, et al. ACS Applied Polymer Materials, 2019(1). DOI:10.1021/acsapm.9b00960.
MLA [1] Chun Li, et al., ACS Applied Polymer Materials, no. 1, 2019, https://doi.org/10.1021/acsapm.9b00960.
APA [1] Chun Li, Xiaohu Zhou, Dan Zhou, Fan Chen, Jiayan Shen, Huifang Li, Jie Zhang, & Xuechang Zhou. (2019). ACS Applied Polymer Materials(1). https://doi.org/10.1021/acsapm.9b00960
IEEE [1] Chun Li, Xiaohu Zhou, Dan Zhou, Fan Chen, Jiayan Shen, Huifang Li, Jie Zhang, and Xuechang Zhou, ACS Applied Polymer Materials, no. 1, 2019, doi: 10.1021/acsapm.9b00960. keywords: {alginate/polyacrylamide hybrid hydrogel;in situ release;multivalent cations;stretchability;toughness}