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BibTeX
One-pot fabrication of robust interpenetrating hydrogels via orthogonal click reactions
Journal of polymer science. Part A, Polymer chemistry, 2016-06, Vol.54 (11), p.1459-1467
Murakami, Takuya
Brown, Hugh R.
Hawker, Craig J.
2016
Details
Autor(en) / Beteiligte
Murakami, Takuya
Brown, Hugh R.
Hawker, Craig J.
Titel
One-pot fabrication of robust interpenetrating hydrogels via orthogonal click reactions
Ist Teil von
Journal of polymer science. Part A, Polymer chemistry, 2016-06, Vol.54 (11), p.1459-1467
Ort / Verlag
Hoboken: Blackwell Publishing Ltd
Erscheinungsjahr
2016
Link zum Volltext
Quelle
Wiley-Blackwell Full Collection
Beschreibungen/Notizen
ABSTRACT Interpenetrating polymer network (IPN) hydrogels have been fabricated through a facile one‐pot approach from tetra/bifunctional telechelic macromonomers with epoxy, amine, azide, and alkyne groups by orthogonal double click reactions: epoxy‐amine reaction and copper‐catalyzed azide‐alkyne cycloaddition. Both the crosslinked networks are simultaneously constructed in water from the biocompatible poly (ethylene glycol)‐based macromonomers. The crosslinking density of each network was finely tuned by the macromonomer structure, permitting control of network molecular weights between crosslinks of the final gels. Compared to corresponding single network gels, the IPN gels containing both tightly and loosely crosslinked networks exhibited superior mechanical properties with shear moduli above 15 kPa and fracture stresses over 40 MPa. The synthetic versatility of this one‐pot approach will further establish design principles for the next generation of robust hydrogel materials. © 2016 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2016, 54, 1459–1467 Interpenetrating polymer network (IPN) hydrogels have been fabricated through a facile one‐pot approach by orthogonal double click reactions: epoxy‐amine reaction and copper catalyzed azide‐alkyne cycloaddition. Compared to corresponding single network gels, the IPN gels containing both tightly and loosely crosslinked networks exhibit superior mechanical properties with fracture stresses over 40 MPa. The synthetic versatility of this one‐pot approach will further establish design principles for the next generation of robust hydrogel materials.
Sprache
Englisch
Identifikatoren
ISSN: 0887-624X
eISSN: 1099-0518
DOI: 10.1002/pola.28021
Titel-ID: cdi_proquest_miscellaneous_1808089035
Format
–
Schlagworte
azide-alkyne cycloaddition
,
Chemical reactions
,
click chemistry
,
Crosslinking
,
Cycloaddition
,
double network
,
epoxy-amine reaction
,
Gels
,
Hydrogels
,
hydrophilic polymers
,
Interpenetrating networks
,
interpenetrating networks (IPN)
,
Mechanical properties
,
Networks
,
poly(ethylene glycol)
,
polyethers
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