Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 56, Issue 19, Pages 2161-2174Publisher
WILEY
DOI: 10.1002/pola.29176
Keywords
amphiphilic polymer conetworks; double-networks; reversible addition-fragmentation chain transfer polymerization; self-assembly; small-angle neutron scattering
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Funding
- University of Cyprus Research Committee
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Double-network hydrogels were prepared using well-defined first networks comprising interconnected amphiphilic in-out star copolymers synthesized via sequential reversible addition-fragmentation chain transfer (RAFT) polymerization, and second networks based on a photopolymerized mixture of acrylamide and N,N-methlyenebisacrylamide. All first and double-network hydrogels were characterized in terms of their aqueous degrees of swelling and mechanical properties in compression. The most hydrophobic first and double-network hydrogels exhibited the best mechanical properties, which may be attributed to their low aqueous swelling degrees and good mesoscale organization in water as revealed using small-angle neutron scattering (SANS) which showed that the size of the formed hydrophobic domains could be controlled by the polymer conetwork structure. (c) 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2018, 56, 2161-2174
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