Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 42, Issue 18, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.202100028
Keywords
dispersion polymerization; hydrogels; hydrophobic interaction; mechanical property; polymerization induced self‐ assembly
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Funding
- National Key Research and Development Program of China [2017YFC1103503]
- National Natural Science Foundation of China [51973013]
- Beijing Outstanding Young Scientist Program [BJJWZYJH01201910010024]
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This study reports a simple one-step polymerization method for in situ preparation of hydrogels in aqueous solutions, where water-miscible monomers are copolymerized to enhance the mechanical properties of the hydrogels. This strategy provides an effective approach to design mechanically enhanced hydrogels for a wide range of applications.
Hydrogels with improved mechanical properties can expand to a greater range of applications. The fabrication of conventional toughened hydrogels typically requires precise modifications, multiple components, and complex steps. Here, a straightforward one-step polymerization method for the in situ preparation of hydrogels in aqueous solutions, is reported. Inspired by polymerization-induced self-assembly (PISA), water-miscible monomers are copolymerized during the hydrogel fabrication; the growing blocks eventually form physical bridges thus providing a mechanism for effective energy dissipation. The rheological and mechanical properties are evaluated and the results reveal that this strategy can be an effective approach to design mechanically enhanced hydrogels for a wide range of applications.
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