Photochromic Recording Medium Using A Diarylethene Polymer

Eunkyoung Kim, Sunkyu Han, Myong Hyun Lee

Research output: Contribution to conferencePaper

Abstract

Effect of photo irradiation on the color change of a diarylethene polymer film was investigated. Diarylethene polymer was prepared by a radical polymerization using 1-[6'-(methacryoyloxyethyloxycarbonyl)-2'-methylbenzo[b]thiophen-3'-yl] -2-(2"-methylbenzo[b]thiophen-3"-yl) hexafluorocyclopentene (BTF6MA), styrene, and butylmethacrylate. A colorless film prepared from the diarylethene polymer turned deep red hue upon exposure to UV light. The red color was immediately bleached by a visible light. Such coloration and bleaching of the polymer film could be utilized to erasable grating patterning using a phase mask, by photoprinting with two light sources of 365 nm and 633 nm. Refractive index change of the polymer film accompanied by the photochromic absorbance change was examined. Thus reversible photo-induced refractive index change (δnTE) of 0.0008 was determined from the photochromic conversion, with monitoring light of 830 nm.

Original languageEnglish
Pages736-738
Number of pages3
Publication statusPublished - 1999 Dec 1
EventIS and T's NIP15: International Conference on Digital Printing Technologies - Orlando, FL, United States
Duration: 1999 Oct 171999 Oct 22

Other

OtherIS and T's NIP15: International Conference on Digital Printing Technologies
CountryUnited States
CityOrlando, FL
Period99/10/1799/10/22

Fingerprint

Polymer films
Refractive index
Polymers
Color
Bleaching
Free radical polymerization
Ultraviolet radiation
Light sources
Masks
Styrene
Irradiation
Monitoring

All Science Journal Classification (ASJC) codes

  • Media Technology
  • Computer Science Applications

Cite this

Kim, E., Han, S., & Lee, M. H. (1999). Photochromic Recording Medium Using A Diarylethene Polymer. 736-738. Paper presented at IS and T's NIP15: International Conference on Digital Printing Technologies, Orlando, FL, United States.
Kim, Eunkyoung ; Han, Sunkyu ; Lee, Myong Hyun. / Photochromic Recording Medium Using A Diarylethene Polymer. Paper presented at IS and T's NIP15: International Conference on Digital Printing Technologies, Orlando, FL, United States.3 p.
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Kim, E, Han, S & Lee, MH 1999, 'Photochromic Recording Medium Using A Diarylethene Polymer', Paper presented at IS and T's NIP15: International Conference on Digital Printing Technologies, Orlando, FL, United States, 99/10/17 - 99/10/22 pp. 736-738.

Photochromic Recording Medium Using A Diarylethene Polymer. / Kim, Eunkyoung; Han, Sunkyu; Lee, Myong Hyun.

1999. 736-738 Paper presented at IS and T's NIP15: International Conference on Digital Printing Technologies, Orlando, FL, United States.

Research output: Contribution to conferencePaper

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N2 - Effect of photo irradiation on the color change of a diarylethene polymer film was investigated. Diarylethene polymer was prepared by a radical polymerization using 1-[6'-(methacryoyloxyethyloxycarbonyl)-2'-methylbenzo[b]thiophen-3'-yl] -2-(2"-methylbenzo[b]thiophen-3"-yl) hexafluorocyclopentene (BTF6MA), styrene, and butylmethacrylate. A colorless film prepared from the diarylethene polymer turned deep red hue upon exposure to UV light. The red color was immediately bleached by a visible light. Such coloration and bleaching of the polymer film could be utilized to erasable grating patterning using a phase mask, by photoprinting with two light sources of 365 nm and 633 nm. Refractive index change of the polymer film accompanied by the photochromic absorbance change was examined. Thus reversible photo-induced refractive index change (δnTE) of 0.0008 was determined from the photochromic conversion, with monitoring light of 830 nm.

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Kim E, Han S, Lee MH. Photochromic Recording Medium Using A Diarylethene Polymer. 1999. Paper presented at IS and T's NIP15: International Conference on Digital Printing Technologies, Orlando, FL, United States.