Effect of photocrosslinking on photochromism of chalcone-based polymeric materials bearing spiropyran dye

Jae Hong Kim; Si Young Ban; Qing Zhang Zhang; Go Woon Kim; Min Ju Cho; Dong Hoon Choi

doi:10.1080/15421400500366803

Effect of photocrosslinking on photochromism of chalcone-based polymeric materials bearing spiropyran dye

Jae Hong Kim, Si Young Ban, Qing Zhang Zhang, Go Woon Kim, Min Ju Cho, Dong Hoon Choi

Department of Chemistry

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

2 Citations (Scopus)

Abstract

The epoxy oligomer was prepared to contain spiropyran in the side chain successfully. The rate of ring closure reaction of photochromic dye tethered in the side chain of the epoxy oligomer was controlled by virtue of [2p + 2p] photocycloaddition between the double bonds in the chalcone units and photopolymerization of epoxy group placed in the chain ends, which is expected to control the free volume surrounding photochromic moiety. The kinetic measurement was conducted to prove the improved photostability of the merocyanine chromophore that is colored species of spiropyran. In short, the cationic photopolymerization and photocrosslinking reaction were accompanied under illumination of the identical wavelength UV light.

Original language	English
Pages (from-to)	307/[597]-314/[604]
Journal	Molecular Crystals and Liquid Crystals
Volume	445
DOIs	https://doi.org/10.1080/15421400500366803
Publication status	Published - 2006

Keywords

Cationic photopolymerization
Chalcone
Interpenetrating network
Photochromic behavior
Photocrosslink
Spiropyran

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1080/15421400500366803

Cite this

@article{11dedf21c31a494f95f43a12a27dd998,

title = "Effect of photocrosslinking on photochromism of chalcone-based polymeric materials bearing spiropyran dye",

abstract = "The epoxy oligomer was prepared to contain spiropyran in the side chain successfully. The rate of ring closure reaction of photochromic dye tethered in the side chain of the epoxy oligomer was controlled by virtue of [2p + 2p] photocycloaddition between the double bonds in the chalcone units and photopolymerization of epoxy group placed in the chain ends, which is expected to control the free volume surrounding photochromic moiety. The kinetic measurement was conducted to prove the improved photostability of the merocyanine chromophore that is colored species of spiropyran. In short, the cationic photopolymerization and photocrosslinking reaction were accompanied under illumination of the identical wavelength UV light.",

keywords = "Cationic photopolymerization, Chalcone, Interpenetrating network, Photochromic behavior, Photocrosslink, Spiropyran",

author = "Kim, {Jae Hong} and Ban, {Si Young} and Zhang, {Qing Zhang} and Kim, {Go Woon} and Cho, {Min Ju} and Choi, {Dong Hoon}",

note = "Funding Information: Authors acknowledge the financial support from the Korea Research Foundation Grant (KRF-2004-050-D00008). Address correspondence to Dong Hoon Choi, Department of Chemistry, Korea University, Seoul 136-701, Korea. E-mail: dhchoi8803@korea.ac.kr",

year = "2006",

doi = "10.1080/15421400500366803",

language = "English",

volume = "445",

pages = "307/[597]--314/[604]",

journal = "Molecular Crystals and Liquid Crystals",

issn = "1542-1406",

publisher = "Taylor and Francis Ltd.",

}

TY - JOUR

T1 - Effect of photocrosslinking on photochromism of chalcone-based polymeric materials bearing spiropyran dye

AU - Kim, Jae Hong

AU - Ban, Si Young

AU - Zhang, Qing Zhang

AU - Kim, Go Woon

AU - Cho, Min Ju

AU - Choi, Dong Hoon

N1 - Funding Information: Authors acknowledge the financial support from the Korea Research Foundation Grant (KRF-2004-050-D00008). Address correspondence to Dong Hoon Choi, Department of Chemistry, Korea University, Seoul 136-701, Korea. E-mail: dhchoi8803@korea.ac.kr

PY - 2006

Y1 - 2006

N2 - The epoxy oligomer was prepared to contain spiropyran in the side chain successfully. The rate of ring closure reaction of photochromic dye tethered in the side chain of the epoxy oligomer was controlled by virtue of [2p + 2p] photocycloaddition between the double bonds in the chalcone units and photopolymerization of epoxy group placed in the chain ends, which is expected to control the free volume surrounding photochromic moiety. The kinetic measurement was conducted to prove the improved photostability of the merocyanine chromophore that is colored species of spiropyran. In short, the cationic photopolymerization and photocrosslinking reaction were accompanied under illumination of the identical wavelength UV light.

AB - The epoxy oligomer was prepared to contain spiropyran in the side chain successfully. The rate of ring closure reaction of photochromic dye tethered in the side chain of the epoxy oligomer was controlled by virtue of [2p + 2p] photocycloaddition between the double bonds in the chalcone units and photopolymerization of epoxy group placed in the chain ends, which is expected to control the free volume surrounding photochromic moiety. The kinetic measurement was conducted to prove the improved photostability of the merocyanine chromophore that is colored species of spiropyran. In short, the cationic photopolymerization and photocrosslinking reaction were accompanied under illumination of the identical wavelength UV light.

KW - Cationic photopolymerization

KW - Chalcone

KW - Interpenetrating network

KW - Photochromic behavior

KW - Photocrosslink

KW - Spiropyran

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UR - http://www.scopus.com/inward/citedby.url?scp=33744994354&partnerID=8YFLogxK

U2 - 10.1080/15421400500366803

DO - 10.1080/15421400500366803

M3 - Article

AN - SCOPUS:33744994354

VL - 445

SP - 307/[597]-314/[604]

JO - Molecular Crystals and Liquid Crystals

JF - Molecular Crystals and Liquid Crystals

SN - 1542-1406

ER -

Effect of photocrosslinking on photochromism of chalcone-based polymeric materials bearing spiropyran dye

Abstract

Keywords

ASJC Scopus subject areas

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