Journal of Photoscience

Korean Society of Photoscience (한국광과학회)
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VISIBLE LASER POLYMERIZATIONS WITH THE SULFONIUM BORATE STYRYL DYES AS NEW PHOTOINITIATOR SYSTEMS

  • Toba, Yasumasa (Graduate School of Science and Engineering, Ibaraki University) ;
  • Yasuike, Madoka (Tsukuba Research Laboratories Toyo Ink Mfg.Co.,Ltd.,) ;
  • Usui, Yoshiharu (Graduate School of Science and Engineering, Ibaraki University)
  • Published : 1998.06.01
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Abstract

New photoinitiator systems of dimethylphenacylsulfonium butyltnphenylborate (DMPSB) as a donor-acceptor initiator and styryl dyes have been investigated for free radical polymerization of an acrylate with visible lasers (488, 514 and 647 nm). DMPSB was able to be sensitized by many styryl dyes. When polymerized with pentaerythrithol triacrylate, the sensitivity value of the photosensitive layer containing DMPSB was higher than that of an tetrabutylammonium butyltnphenylborate (TBAB) as an electron donating initiator or a dimethylphenacylsulfonium tetrafiuoroborate (DMPS) as an electron accepting initiator. The sensitivity values of the photosensitive layer containing the photoinitiator systems had a close relation to the free energy changes between the excited singlet styryl dyes and DMPSB.

Keywords

References

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