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 |
|---|---|
| Journal | Molecular Crystals and Liquid Crystals |
| Volume | 445 |
| DOIs | |
| Publication status | Published - 2006 Jun 16 |
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Keywords
- Cationic photopolymerization
- Chalcone
- Interpenetrating network
- Photochromic behavior
- Photocrosslink
- Spiropyran
ASJC Scopus subject areas
- Condensed Matter Physics
Cite this
Effect of photocrosslinking on photochromism of chalcone-based polymeric materials bearing spiropyran dye. / Kim, Jae Hong; Ban, Si Young; Zhang, Qing Zhang; Kim, Go Woon; Cho, Min Ju; Choi, Dong Hoon.
In: Molecular Crystals and Liquid Crystals, Vol. 445, 16.06.2006.Research output: Contribution to journal › Article
}
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
PY - 2006/6/16
Y1 - 2006/6/16
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
UR - http://www.scopus.com/inward/record.url?scp=33744994354&partnerID=8YFLogxK
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
JO - Molecular Crystals and Liquid Crystals
JF - Molecular Crystals and Liquid Crystals
SN - 1542-1406
ER -