Selective Dispersion of Porphyrin Metal Complex into Styrene-(Ethylene-co-butylene)-Styrene Triblock Copolymer

Title
Selective Dispersion of Porphyrin Metal Complex into Styrene-(Ethylene-co-butylene)-Styrene Triblock Copolymer
Authors
박상희조계룡황승상백경열
Keywords
High-k; Block Copolymer; Porphyrin metal complex; selective dispersion; SEBS
Issue Date
2012-09
Publisher
Molecular crystals and liquid crystals
Citation
VOL 566, 94-99
Abstract
Porphyrin metal complex covered with polystyrene (PS) arm chains was synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization of styrene from the porphyrin metal (Cu) complex with chain transfer agents (CTA) in the presence of AIBN at 80 &#9702;C (PDI < 1.2). Obtained PS covered porphyrin metal complex was then mixed with different molar ratio of styrene-(ethylene-co-butylene)-styrene (SEBS) triblock copolymer to give well-defined morphologies such as cylinder and lamella structures, where the porphyrin metal complex was selectively dispersed into the PS domain of the SEBS triblock copolymer. These materials could be expected to show interesting electroactive properties, because of high dielectric constant (k) and elastomeric property from the porphyrin metal complex and the SEBS triblock copolymer elastomer, respectively.
URI
http://pubs.kist.re.kr/handle/201004/43909
ISSN
15421406
Appears in Collections:
KIST Publication > Article
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