Visible light polymerization of acrylate using dialkylphenacylsulfonium butyltriphenylborate initiators: Effect of the reduction potential of the sulfonium cation on the polymerization

Yasumasa Toba, Yoshiharu Usui, Toshifumi Konishi, Osamu Ito, Takahiko Uesugi

研究成果: Article査読

12 被引用数 (Scopus)

抄録

Visible light polymerization of an acrylate in poly(methyl methacrylate) (PMMA) film using a series of dialkylphenacylsulfonium butyltriphenylborate initiators was investigated. When 3,3′-carbonylbis(7-diethylaminocoumarin) (KCD) was used as a sensitizer, the rates of polymerization (R p) and the degrees of conversion increased with increasing the reduction potential of the sulfonium cations of the sulfonium borates. They also increased with decreasing lowest unoccupied molecular orbital (LUMO) energy level for the same cations. The photoreaction between the sulfonium berates and KCD was discussed.

本文言語English
ページ(範囲)6545-6551
ページ数7
ジャーナルMacromolecules
32
20
DOI
出版ステータスPublished - 1999 10 5
外部発表はい

ASJC Scopus subject areas

  • 有機化学
  • ポリマーおよびプラスチック
  • 無機化学
  • 材料化学

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