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Jewelry Box of Morphologies with Mesoscopic Length Scales – ABC Star‐shaped Terpolymers
Author(s) -
Matsushita Yushu,
Hayashida Kenichi,
Takano Atsushi
Publication year - 2010
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.201000169
Subject(s) - lamellar structure , polystyrene , mesoscopic physics , materials science , star (game theory) , polybutadiene , polymer chemistry , polymer , component (thermodynamics) , copolymer , amphiphile , molecule , polymer science , crystallography , composite material , physics , chemistry , thermodynamics , condensed matter physics , quantum mechanics , astrophysics
Among several star molecules studied so far, the results for two similar but slightly different systems composed of all hydrophobic components, i.e. one low T g arm and two high T g arms were compared and discussed mainly. They are polyisoprene‐ arm ‐polystyrene‐ arm ‐poly(2‐vinylpyridine) stars and polystyrene‐ arm ‐polybutadiene‐ arm ‐poly(2‐vinylpyridine) ones, and are abbreviated as ISP and SBV, respectively, in the original literatures. Several periodic Archimedean tiling patterns can be naturally formed when the relative lengths of three chains are similar one another in both series. Core‐shell type morphologies and actually three‐phase four layer lamellar structures were also commonly observed for two series. A quasicrystalline tiling with dodecagonal symmetry can also be conformed at the targeted composition of ISP/homopolymer blend and a zinc‐blende type structure was created at just a little outside of tiling region for the same blend. Furthermore, the several interesting structures from amphiphilic molecules, composed of a hydrophilic component, poly(ethylene oxide), a hydrophobic component, polymethylmethacrylate and a highly water‐repellent polymer poly(perfluoropropyleneoxide) are described and introduced.