Photochromic behavior of spiropyran in the photoreactive polymer containing chalcone moieties

Byung Hoo Lee, Jae Hong Kim, Min Joo Cho, Seung Hwan Lee, Dong Hoon Choi

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The rate control of decolorization of photochromic chalcone containing polymer with spiropyran dye was achieved successfully by virtue of [2π+2π] photo-cycloaddition between the chalcone units. The kinetic measurement was conducted to prove the photostability of the merocyanine chromophore that is colored species of spiropyran. The chalcone-epoxy polymer system that contains chalcone group in the repeating unit was proved to retard the decaying behavior of photochromism most effectively resulting from the steric hindrance after UV irradiation.

Original languageEnglish
Pages (from-to)235-242
Number of pages8
JournalDyes and Pigments
Volume61
Issue number3
DOIs
Publication statusPublished - 2004 Jun 1
Externally publishedYes

Keywords

  • Chalcone
  • Photochromic behavior
  • Photocrosslink
  • Photopolyemrization
  • Photostability
  • Spiropyran

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Process Chemistry and Technology

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