2015
DOI: 10.1021/acs.langmuir.5b02843
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Additives Induced Structural Transformation of ABC Triblock Copolymer Particles

Abstract: Here we report the structural control of polystyrene-b-polyisoprene-b-poly(2-vinylpyridine) (PS-b-PI-b-P2VP) asymmetric ABC triblock copolymer particles under 3D confinement by tuning the interactions among blocks. The additives, including 3-n-pentadecylphenol, homopolystyrene, and solvents, which can modulate the interactions among polymer blocks, play significant roles in the particle morphology. Moreover, the structured particles can be disassembled into isolated micellar aggregates with novel morphologies … Show more

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Cited by 53 publications
(60 citation statements)
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“…Since P2VP is known to be a very good hydrogen bond (HB) acceptor there are various possibilities for supramolecular modification of the volume of the P2VP microdomain and its interactions with other polymer blocks. Staying with the example of PS‐ b ‐PI‐ b ‐P2VP, the particle morphology was significantly influenced by additives including solvents, homopolymers (in both wet‐ and dry‐brush regime), and HB donor molecules (3‐ n ‐pentadecylphenol) . In addition, a pH‐triggered reversible morphology transition between pupa‐like particles and stretched pupa‐like particles was observed by slightly cross‐linking the P2VP block.…”
Section: Confinement Assembly In Emulsionmentioning
confidence: 97%
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“…Since P2VP is known to be a very good hydrogen bond (HB) acceptor there are various possibilities for supramolecular modification of the volume of the P2VP microdomain and its interactions with other polymer blocks. Staying with the example of PS‐ b ‐PI‐ b ‐P2VP, the particle morphology was significantly influenced by additives including solvents, homopolymers (in both wet‐ and dry‐brush regime), and HB donor molecules (3‐ n ‐pentadecylphenol) . In addition, a pH‐triggered reversible morphology transition between pupa‐like particles and stretched pupa‐like particles was observed by slightly cross‐linking the P2VP block.…”
Section: Confinement Assembly In Emulsionmentioning
confidence: 97%
“…As the polymer architecture determines microphase separation, the resulting microparticle shape and morphology should be likewise affected when extending the process to ABC triblock terpolymers. Although interesting inner structure and functional microdomains are to be expected, 3D confinement assembly was rarely addressed in simulations or experiments . In MC simulations, a variety of unique nanostructures were identified beside the normal bud‐like and pupa‐like nanostructures by changing the solvent properties, incompatibilities between each block, and the symmetry of terpolymer.…”
Section: Confinement Assembly In Emulsionmentioning
confidence: 99%
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