Deformation and durability control of microcapsules for electrophoretic display system

Ye Jin Kim; Junkyung Kim; Sang Soo Lee; Woo Nyon Kim; Mi Sun Kim

doi:10.1080/15421400600930268

Deformation and durability control of microcapsules for electrophoretic display system

Ye Jin Kim, Junkyung Kim, Sang Soo Lee, Woo Nyon Kim, Mi Sun Kim

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Microcapsules of durability and deformability along with excellent transparency, which was designed for the application of electrophoretic display system, have been synthesized. Microcapsules were synthesized by two-step condensation polymerization using melamine-formaldehyde (MF) resin. In this work, durability and flexibility of MF microcapsules activated by acid catalyst were characterized by compression test accompanied by visual inspection. Microcapsules of MF-AA (using acetic acid as acid catalyst) were rapidly ruptured at force 0.8 mN, while those of MF-MA (using maleic anhydride as acid catalyst) were highly deformed to show a permanent failure at 3.8 mN. Furthermore MF-MA microcapsule showed extremely higher deformation ratio than MF-AA, implying that the maleic anhydride activated system would be much more durable and flexible than the MF system employing AA.

Original language	English
Pages (from-to)	215/[495]-220/[500]
Journal	Molecular Crystals and Liquid Crystals
Volume	459
Issue number	1
DOIs	https://doi.org/10.1080/15421400600930268
Publication status	Published - 2006 Dec 1

Keywords

Deformation
Durability
Electrophoretic display system
Melamine- formaldehyde
Microcapsule

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1080/15421400600930268

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abstract = "Microcapsules of durability and deformability along with excellent transparency, which was designed for the application of electrophoretic display system, have been synthesized. Microcapsules were synthesized by two-step condensation polymerization using melamine-formaldehyde (MF) resin. In this work, durability and flexibility of MF microcapsules activated by acid catalyst were characterized by compression test accompanied by visual inspection. Microcapsules of MF-AA (using acetic acid as acid catalyst) were rapidly ruptured at force 0.8 mN, while those of MF-MA (using maleic anhydride as acid catalyst) were highly deformed to show a permanent failure at 3.8 mN. Furthermore MF-MA microcapsule showed extremely higher deformation ratio than MF-AA, implying that the maleic anhydride activated system would be much more durable and flexible than the MF system employing AA.",

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AU - Kim, Ye Jin

AU - Kim, Junkyung

AU - Lee, Sang Soo

AU - Kim, Woo Nyon

AU - Kim, Mi Sun

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N2 - Microcapsules of durability and deformability along with excellent transparency, which was designed for the application of electrophoretic display system, have been synthesized. Microcapsules were synthesized by two-step condensation polymerization using melamine-formaldehyde (MF) resin. In this work, durability and flexibility of MF microcapsules activated by acid catalyst were characterized by compression test accompanied by visual inspection. Microcapsules of MF-AA (using acetic acid as acid catalyst) were rapidly ruptured at force 0.8 mN, while those of MF-MA (using maleic anhydride as acid catalyst) were highly deformed to show a permanent failure at 3.8 mN. Furthermore MF-MA microcapsule showed extremely higher deformation ratio than MF-AA, implying that the maleic anhydride activated system would be much more durable and flexible than the MF system employing AA.

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