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Issue 99, 2015
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3D printing of an extremely tough hydrogel

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Because of their low viscosity and large gelling temperature range, precise 3D printing of agar hydrogels has not been achieved even though the agar double network hydrogels are tough and self-recoverable. In this work, a super tough agar double network hydrogel was precisely printed by adding alginate. The addition of alginate not only increases the ink viscosity and printable period, but also improves its rheological characteristics towards precise processing control. Moreover, the entanglement of the alginate chains with the agar double network hydrogel restricts the agar helical chain bundles from pulling out under stress, which toughens the hydrogel.

Graphical abstract: 3D printing of an extremely tough hydrogel

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Article information

13 Aug 2015
08 Sep 2015
First published
08 Sep 2015

RSC Adv., 2015,5, 81324-81329
Article type

3D printing of an extremely tough hydrogel

J. Wei, J. Wang, S. Su, S. Wang, J. Qiu, Z. Zhang, G. Christopher, F. Ning and W. Cong, RSC Adv., 2015, 5, 81324
DOI: 10.1039/C5RA16362E

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