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

doi:10.1021/ma990070u

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

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

12 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	6545-6551
Number of pages	7
Journal	Macromolecules
Volume	32
Issue number	20
DOIs	https://doi.org/10.1021/ma990070u
Publication status	Published - 1999 Oct 5
Externally published	Yes

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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10.1021/ma990070u

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Visible light polymerization of acrylate using dialkylphenacylsulfonium butyltriphenylborate initiators : Effect of the reduction potential of the sulfonium cation on the polymerization. / Toba, Yasumasa; Usui, Yoshiharu; Konishi, Toshifumi et al.

In: Macromolecules, Vol. 32, No. 20, 05.10.1999, p. 6545-6551.

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

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

Abstract

ASJC Scopus subject areas

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