Multi-responsive and tough hydrogels based on triblock copolymer micelles as multi-functional macro-crosslinkers

Multi-responsive and tough hydrogels based on triblock copolymer micelles as multi-functional macro-crosslinkers

Multi-stimuli responsive hydrogels are synthesized using self-assembled nanomicelles of Pluronic F127 diacrylate triblock copolymer as non-covalent macro-crosslinkers to in situ copolymerize with acrylamide and methyl chloride quaternized N,N-dimethylamino ethylacrylate monomers, generating positive...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2015-05, Vol.51 (40), p.8512-8515
Hauptverfasser: Sun, Yuanna, Liu, Shuang, Du, Gaolai, Gao, Guorong, Fu, Jun
Format: Artikel
Sprache:eng
Schlagworte:
Acrylamide
Acrylates - chemistry
Block copolymers
Charging
Cross-Linking Reagents - chemistry
Hydrogels
Hydrogels - chemistry
Hydrogen-Ion Concentration
Methyl chloride
Micelles
Monomers
Nanostructure
Osmolar Concentration
Pluronic F127
Poloxamer - chemistry
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Zusammenfassung:Multi-stimuli responsive hydrogels are synthesized using self-assembled nanomicelles of Pluronic F127 diacrylate triblock copolymer as non-covalent macro-crosslinkers to in situ copolymerize with acrylamide and methyl chloride quaternized N,N-dimethylamino ethylacrylate monomers, generating positively charged hydrogels. These hydrogels showed high strength, toughness, and outstanding fatigue resistance, and are reversibly responsive to changes in pH and ionic strength.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc10094h