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Mussel-inspired pH-triggered reversible foamed multi-responsive gel--the surprising effect of water
Mohammad Vatankhah-Varnoosfaderani1, Amin Ghavaminejad, Saud Hashmi
1Chonbuk National University, School of Semiconductor and Chemical Engineering, Baekjero 567, Deokjin-gu, Jeonju, Jeonbuk 561-756, Republic of Korea.
Abstract:
Novel covalent gels were prepared by complexation of polymer-bound catechols with NaBH4 at pH ≈ 9. These gels can absorb humidity, which changes the catechol-borate covalent bonds from irreversible to reversible. Furthermore, humidity induces self-healing, proven by rheological data.
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