Optical anisotropy of chalcone-based epoxy compound under irradiation of linearly polarized UV light

Dong Hoon Choi; Young Kwan Cha

doi:10.1016/S0032-3861(01)00643-7

Optical anisotropy of chalcone-based epoxy compound under irradiation of linearly polarized UV light

Dong Hoon Choi, Young Kwan Cha

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

17 Citations (Scopus)

Abstract

Photocrosslinkable chalcone-epoxy compound comprising 1,3-bis-(4-hydroxy-phenyl)-propenone was synthesized for studying the optically induced anisotropy of the thin films. Chalcone group was introduced into the main chain unit of the epoxy oligomer. We observed a photodimerization behavior and an optical anisotropy of this material by irradiation of linearly polarized UV light (LPL). With a trace amount of cationic photoinitiator, polymerization of epoxy groups was also conducted at the similar wavelength range used for photodimerization. Optical anisotropy of the thin film was also investigated by using polarized ET-IR and UV absorption spectroscopy either with or without cationic photoinitiator. Two kinds of photochemical reaction were employed to enhance the anisotropy using the chalcone-epoxy compound.

Original language	English
Pages (from-to)	703-710
Number of pages	8
Journal	Polymer
Volume	43
Issue number	3
DOIs	https://doi.org/10.1016/S0032-3861(01)00643-7
Publication status	Published - 2001 Nov 23
Externally published	Yes

Bibliographical note

Funding Information:
This work was financially supported by the Korea Research Foundation (KRF-99-041-E00407).

Keywords

Chalcone-epoxy
Optical anisotropy
Photochemical reactions

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1016/S0032-3861(01)00643-7

Cite this

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title = "Optical anisotropy of chalcone-based epoxy compound under irradiation of linearly polarized UV light",

abstract = "Photocrosslinkable chalcone-epoxy compound comprising 1,3-bis-(4-hydroxy-phenyl)-propenone was synthesized for studying the optically induced anisotropy of the thin films. Chalcone group was introduced into the main chain unit of the epoxy oligomer. We observed a photodimerization behavior and an optical anisotropy of this material by irradiation of linearly polarized UV light (LPL). With a trace amount of cationic photoinitiator, polymerization of epoxy groups was also conducted at the similar wavelength range used for photodimerization. Optical anisotropy of the thin film was also investigated by using polarized ET-IR and UV absorption spectroscopy either with or without cationic photoinitiator. Two kinds of photochemical reaction were employed to enhance the anisotropy using the chalcone-epoxy compound.",

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note = "Funding Information: This work was financially supported by the Korea Research Foundation (KRF-99-041-E00407).",

year = "2001",

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doi = "10.1016/S0032-3861(01)00643-7",

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T1 - Optical anisotropy of chalcone-based epoxy compound under irradiation of linearly polarized UV light

AU - Choi, Dong Hoon

AU - Cha, Young Kwan

N1 - Funding Information: This work was financially supported by the Korea Research Foundation (KRF-99-041-E00407).

PY - 2001/11/23

Y1 - 2001/11/23

N2 - Photocrosslinkable chalcone-epoxy compound comprising 1,3-bis-(4-hydroxy-phenyl)-propenone was synthesized for studying the optically induced anisotropy of the thin films. Chalcone group was introduced into the main chain unit of the epoxy oligomer. We observed a photodimerization behavior and an optical anisotropy of this material by irradiation of linearly polarized UV light (LPL). With a trace amount of cationic photoinitiator, polymerization of epoxy groups was also conducted at the similar wavelength range used for photodimerization. Optical anisotropy of the thin film was also investigated by using polarized ET-IR and UV absorption spectroscopy either with or without cationic photoinitiator. Two kinds of photochemical reaction were employed to enhance the anisotropy using the chalcone-epoxy compound.

AB - Photocrosslinkable chalcone-epoxy compound comprising 1,3-bis-(4-hydroxy-phenyl)-propenone was synthesized for studying the optically induced anisotropy of the thin films. Chalcone group was introduced into the main chain unit of the epoxy oligomer. We observed a photodimerization behavior and an optical anisotropy of this material by irradiation of linearly polarized UV light (LPL). With a trace amount of cationic photoinitiator, polymerization of epoxy groups was also conducted at the similar wavelength range used for photodimerization. Optical anisotropy of the thin film was also investigated by using polarized ET-IR and UV absorption spectroscopy either with or without cationic photoinitiator. Two kinds of photochemical reaction were employed to enhance the anisotropy using the chalcone-epoxy compound.

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KW - Photochemical reactions

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JO - Polymer

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ER -

Optical anisotropy of chalcone-based epoxy compound under irradiation of linearly polarized UV light

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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