Optical anisotropy of polyimide and polymethacrylate containing photocrosslinkable chalcone group in the side chain under irradiation of a linearly polarized UV light

Dong Hoon Choi, Young Kwan Cha

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Photocrosslinkable soluble polyimide and polymethacrylate compound were synthesized for studying the optically induced anisotropy of the thin films. Chalcone group was introduced into the side chain unit of two polymers. We observed a photodimerization behavior between the double bonds in the chalcone group and an optical anisotropy of these materials by irradiation of a linearly polarized UV light (LPL). Optical anisotropy of the thin film was also investigated by using polarized UV absorption spectroscopy. The dynamic property of optical anisotropy in photoreactive polyimide was compared to that in polymethacrylate containing chalcone group in the side chain.

Original languageEnglish
Pages (from-to)469-476
Number of pages8
JournalBulletin of the Korean Chemical Society
Volume23
Issue number3
Publication statusPublished - 2002 Mar 20
Externally publishedYes

Fingerprint

Chalcone
Optical anisotropy
Polyimides
Ultraviolet radiation
Irradiation
Thin films
Ultraviolet spectroscopy
Absorption spectroscopy
Polymers
Anisotropy
polymethacrylic acid

Keywords

  • Chalcone
  • Optical anisotropy
  • Photodimerization
  • Polyimide
  • Polymethacrylate

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

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AU - Choi, Dong Hoon

AU - Cha, Young Kwan

PY - 2002/3/20

Y1 - 2002/3/20

N2 - Photocrosslinkable soluble polyimide and polymethacrylate compound were synthesized for studying the optically induced anisotropy of the thin films. Chalcone group was introduced into the side chain unit of two polymers. We observed a photodimerization behavior between the double bonds in the chalcone group and an optical anisotropy of these materials by irradiation of a linearly polarized UV light (LPL). Optical anisotropy of the thin film was also investigated by using polarized UV absorption spectroscopy. The dynamic property of optical anisotropy in photoreactive polyimide was compared to that in polymethacrylate containing chalcone group in the side chain.

AB - Photocrosslinkable soluble polyimide and polymethacrylate compound were synthesized for studying the optically induced anisotropy of the thin films. Chalcone group was introduced into the side chain unit of two polymers. We observed a photodimerization behavior between the double bonds in the chalcone group and an optical anisotropy of these materials by irradiation of a linearly polarized UV light (LPL). Optical anisotropy of the thin film was also investigated by using polarized UV absorption spectroscopy. The dynamic property of optical anisotropy in photoreactive polyimide was compared to that in polymethacrylate containing chalcone group in the side chain.

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KW - Optical anisotropy

KW - Photodimerization

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KW - Polymethacrylate

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