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pH‐ and Sugar‐Induced Shape Memory Hydrogel Based on Reversible Phenylboronic Acid–Diol Ester Bonds
Author(s) -
Meng Hao,
Zheng Jing,
Wen Xiufang,
Cai Zhiqi,
Zhang Jiawei,
Chen Tao
Publication year - 2015
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.201400648
Subject(s) - phenylboronic acid , diol , vinyl alcohol , self healing hydrogels , sugar , aqueous solution , fructose , boronic acid , chemistry , polymer chemistry , organic chemistry , materials science , chemical engineering , polymer , catalysis , engineering
A simple strategy is provided to construct a novel pH‐ and sugar‐induced shape memory hydrogel based on dynamic phenylboronic acid (PBA)–diol interactions formed by PBA‐modified sodium alginate (Alg‐PBA) and poly(vinyl alcohol) (PVA). The dynamic PBA–diol ester bonds serve as temporary cross‐links and stabilize the deformed shape of the hydrogel. The disassociation of the PBA–diol ester bonds is explored in acidic conditions and aqueous solutions of glucose and fructose, which endow the hydrogel with shape memory performances.

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