2-Dimensional colloidal micropatterning of cholesteric liquid crystal microcapsules for temperature-responsive color displays

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This work offers a promising approach for development of a temperature-responsive colorimetric display platform. For this purpose, uniform thermochromic microcapsules consisting of a cholesteric liquid crystal (CLC) core and a thin polyurethane shell layer were fabricated by conducting in-situ condensation polymerization at the interface of monodisperse CLC-in-water emulsion drops. Colloidal packing-driven microcapsule registry led to exact 2-dimensional positioning of CLC microcapsules into a holes-patterned flexible film stencil. Furthermore, we showed that the designated registry of different color types of CLC microcapsules on the stencil enabled development of a microwriting display technology capable of reversible text representation according to temperature change. © 2018 The Korean Society of Industrial and Engineering Chemistry
Publisher
ELSEVIER SCIENCE INC
Issue Date
2018-12
Language
English
Article Type
Article
Citation

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.68, pp.393 - 398

ISSN
1226-086X
DOI
10.1016/j.jiec.2018.08.014
URI
http://hdl.handle.net/10203/248682
Appears in Collection
CBE-Journal Papers(저널논문)
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