Photochemically bifunctional epoxy compound containing a chalcone moiety

Dong Hoon Choi; Sang Joon Oh; Hyo Bok Cha; Joon Youl Lee

doi:10.1016/S0014-3057(01)00102-1

Photochemically bifunctional epoxy compound containing a chalcone moiety

Dong Hoon Choi, Sang Joon Oh, Hyo Bok Cha, Joon Youl Lee

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

50 Citations (Scopus)

Abstract

A new bifunctional epoxy compound was synthesized by the reaction of 4,4′-dihydroxychalcone and epichlorohydrin. Photosensitivity of the synthesized chalcone-epoxy compound was investigated by using UV-visible and Fourier transform infrared spectroscopies. The result of spectroscopic analysis substantiated that the chalcone-epoxy compound has functions of both crosslinking and cationic polymerization by UV exposure (λ = 300-360 nm). Photodimerization of the chalcone-epoxy compound was confirmed by UV-visible and IR absorbance changes of the C=C double bond of the chalcone unit. A small amount of onium salt as a photoinitiator could facilitate the cationic photopolymerization of the chalcone-epoxy compound by UV exposure. The UV-cured chalcone-epoxy compound showed an excellent thermal stability as compared to the conventional UV-cured bisphenol A type epoxy resin.

Original language	English
Pages (from-to)	1951-1959
Number of pages	9
Journal	European Polymer Journal
Volume	37
Issue number	10
DOIs	https://doi.org/10.1016/S0014-3057(01)00102-1
Publication status	Published - 2001 Oct
Externally published	Yes

Bibliographical note

Copyright:
Copyright 2007 Elsevier B.V., All rights reserved.

Keywords

Bifunctional epoxy
Cationic photopolymerization
Chalcone-epoxy
Photodimerization
Photosensitivity
Thermal stability

ASJC Scopus subject areas

General Physics and Astronomy
Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1016/S0014-3057(01)00102-1

Cite this

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title = "Photochemically bifunctional epoxy compound containing a chalcone moiety",

abstract = "A new bifunctional epoxy compound was synthesized by the reaction of 4,4′-dihydroxychalcone and epichlorohydrin. Photosensitivity of the synthesized chalcone-epoxy compound was investigated by using UV-visible and Fourier transform infrared spectroscopies. The result of spectroscopic analysis substantiated that the chalcone-epoxy compound has functions of both crosslinking and cationic polymerization by UV exposure (λ = 300-360 nm). Photodimerization of the chalcone-epoxy compound was confirmed by UV-visible and IR absorbance changes of the C=C double bond of the chalcone unit. A small amount of onium salt as a photoinitiator could facilitate the cationic photopolymerization of the chalcone-epoxy compound by UV exposure. The UV-cured chalcone-epoxy compound showed an excellent thermal stability as compared to the conventional UV-cured bisphenol A type epoxy resin.",

keywords = "Bifunctional epoxy, Cationic photopolymerization, Chalcone-epoxy, Photodimerization, Photosensitivity, Thermal stability",

author = "Choi, {Dong Hoon} and Oh, {Sang Joon} and Cha, {Hyo Bok} and Lee, {Joon Youl}",

year = "2001",

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doi = "10.1016/S0014-3057(01)00102-1",

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T1 - Photochemically bifunctional epoxy compound containing a chalcone moiety

AU - Choi, Dong Hoon

AU - Oh, Sang Joon

AU - Cha, Hyo Bok

AU - Lee, Joon Youl

PY - 2001/10

Y1 - 2001/10

N2 - A new bifunctional epoxy compound was synthesized by the reaction of 4,4′-dihydroxychalcone and epichlorohydrin. Photosensitivity of the synthesized chalcone-epoxy compound was investigated by using UV-visible and Fourier transform infrared spectroscopies. The result of spectroscopic analysis substantiated that the chalcone-epoxy compound has functions of both crosslinking and cationic polymerization by UV exposure (λ = 300-360 nm). Photodimerization of the chalcone-epoxy compound was confirmed by UV-visible and IR absorbance changes of the C=C double bond of the chalcone unit. A small amount of onium salt as a photoinitiator could facilitate the cationic photopolymerization of the chalcone-epoxy compound by UV exposure. The UV-cured chalcone-epoxy compound showed an excellent thermal stability as compared to the conventional UV-cured bisphenol A type epoxy resin.

AB - A new bifunctional epoxy compound was synthesized by the reaction of 4,4′-dihydroxychalcone and epichlorohydrin. Photosensitivity of the synthesized chalcone-epoxy compound was investigated by using UV-visible and Fourier transform infrared spectroscopies. The result of spectroscopic analysis substantiated that the chalcone-epoxy compound has functions of both crosslinking and cationic polymerization by UV exposure (λ = 300-360 nm). Photodimerization of the chalcone-epoxy compound was confirmed by UV-visible and IR absorbance changes of the C=C double bond of the chalcone unit. A small amount of onium salt as a photoinitiator could facilitate the cationic photopolymerization of the chalcone-epoxy compound by UV exposure. The UV-cured chalcone-epoxy compound showed an excellent thermal stability as compared to the conventional UV-cured bisphenol A type epoxy resin.

KW - Bifunctional epoxy

KW - Cationic photopolymerization

KW - Chalcone-epoxy

KW - Photodimerization

KW - Photosensitivity

KW - Thermal stability

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U2 - 10.1016/S0014-3057(01)00102-1

DO - 10.1016/S0014-3057(01)00102-1

M3 - Article

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SN - 0014-3057

VL - 37

SP - 1951

EP - 1959

JO - European Polymer Journal

JF - European Polymer Journal

IS - 10

ER -

Photochemically bifunctional epoxy compound containing a chalcone moiety

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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