AI Article Synopsis
- Researchers developed a new pH-sensitive hydrogel that maintains its strength across a range of pH levels, overcoming the typical weakness seen in traditional hydrogels.
- It was created by copolymerizing two specific monomers with a crosslinker, optimizing the hydrophilic properties with oligo(ethylene glycol) methacrylate.
- The resulting hydrogel exhibits both high tensile and compressive strengths because it retains at least one type of hydrogen bond throughout varying pH conditions.
Article Abstract
Traditional pH-sensitive hydrogels inevitably suffer strength deterioration while the responsive weak acid or base groups are in the ionized state. In this study, we report on a facile approach to fabricate a novel pH-sensitive high-strength hydrogel from copolymerization of two hydrogen-bonding motif-containing monomers, 3-acrylamidophenylboronic acid and 2-vinyl-4,6-diamino-1,3,5-triazine with a crosslinker N,N-methylenebisacrylamide through hydrophilic optimization of the comonomer oligo(ethylene glycol) methacrylate. The double hydrogen bonding hydrogel exhibits both high tensile and compressive strengths over a broad pH range due to the unique ability to maintain at least one type of hydrogen-bonding crosslink over the whole course of pH change.
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| http://dx.doi.org/10.1002/marc.201200548 | DOI Listing |
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