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 journalArticle

1 Citation (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 languageEnglish
Pages (from-to)215/[495]-220/[500]
JournalMolecular Crystals and Liquid Crystals
Volume459
Issue number1
DOIs
Publication statusPublished - 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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