Hierarchical Structure of Lattices in Film Formation of Core-Shell Type Polymer Microspheres

Saito, Reiko; Masaru, Sugita; Ishizu, Koji

doi:10.1006/jcis.1996.4738

Cited by 6 publications

(1 citation statement)

References 17 publications

(14 reference statements)

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“…This structural peculiarity of the microspheres leads to large and gradual changes of excluded volume of the shell chains during changes in the conditions, such as condensation, solvent, and temperature. Consequently, the ordering structure of the microspheres in solution showed hierarchical transition during condensation 5,6 as well as Bain transition of steel arrays. 7,8 Additionally, the novel structures of the microphase separation could be obtained with the blending of these microspheres and AB diblock copolymers.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of microspheres with microphase‐separated shells

Saito¹,

Fujita²,

Ichimura³

et al. 2000

J. Polym. Sci. A Polym. Chem.

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Novel structural microspheres of the Janus type, with microphase-separated polystyrene (PS) and poly(tert-butyl methacrylate) (PBMA) shells and crosslinked poly(2-vinyl pyridine) (PVP) cores, were synthesized with the crosslinking of PVP spherical domains in poly(styrene-block-2-vinyl pyridine-block-tert-butyl methacrylate) ABC triblock terpolymer film with PS/PBMA lamellae-PVP spherical structures. For the formation of lamellae-sphere structures, toluene, which was a selective solvent for the ABC triblock terpolymer, was used. With the crosslinking of PVP spheres in the microphase-separated film with 1,4-diiodobutane gas, the microphase structure of the terpolymer was fixed, and microspheres composed of microphase-separated PS and PBMA shells and P2VP cores were obtained. The size distribution of the purified microspheres was narrow. The characteristics of the microspheres and their aggregation behaviors in selective solvents were investigated by transmission electron microscopy and light scattering methods.

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Section: Introductionmentioning

confidence: 99%

Synthesis of microspheres with microphase‐separated shells

Saito¹,

Fujita²,

Ichimura³

et al. 2000

J. Polym. Sci. A Polym. Chem.

Self Cite

View full text Add to dashboard Cite

show abstract

Synthesis of microspheres with microphase-separated shells

Saito

Fujita

Ichimura

et al. 2000

J. Polym. Sci. A Polym. Chem.

Self Cite

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Novel structural microspheres of the Janus type, with microphase‐separated polystyrene (PS) and poly(tert‐butyl methacrylate) (PBMA) shells and crosslinked poly(2‐vinyl pyridine) (PVP) cores, were synthesized with the crosslinking of PVP spherical domains in poly(styrene‐block‐2‐vinyl pyridine‐block‐tert‐butyl methacrylate) ABC triblock terpolymer film with PS/PBMA lamellae–PVP spherical structures. For the formation of lamellae‐sphere structures, toluene, which was a selective solvent for the ABC triblock terpolymer, was used. With the crosslinking of PVP spheres in the microphase‐separated film with 1,4‐diiodobutane gas, the microphase structure of the terpolymer was fixed, and microspheres composed of microphase‐separated PS and PBMA shells and P2VP cores were obtained. The size distribution of the purified microspheres was narrow. The characteristics of the microspheres and their aggregation behaviors in selective solvents were investigated by transmission electron microscopy and light scattering methods. © 2000 John Wiley & Sons, Inc. J Polym Sci A: Polym Chem 38: 2091–2097, 2000

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Chemical Processing of Assembled Block Copolymers

Liu

2011

Comprehensive Nanoscience and Technology

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Hierarchical Structure of Lattices in Film Formation of Core-Shell Type Polymer Microspheres

Cited by 6 publications

References 17 publications

Synthesis of microspheres with microphase‐separated shells

Synthesis of microspheres with microphase‐separated shells

Synthesis of microspheres with microphase-separated shells

Chemical Processing of Assembled Block Copolymers

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