Yayınlanmış 1 Ocak 2008 | Sürüm v1

An annelated thioxanthone as a new Type II initiator

  • 1. Yildiz Tech Univ, Dept Chem, TR-34210 Istanbul, Esenler, Turkey

Açıklama

5-Thia-naphthacen-12-one (TX-Np) was synthesized as a potential photoinitiator for radical polymerization. Polymerization studies revealed that TX-Np acts as a photoinitiator for radical polymerization of acrylic type monomers in the presence of N-methyldiethanolamine (MDEA). The phosphorescence spectrum measured at 77 K in ethanol showed an emission band at lambda (max) = 505 nm corresponding to the approximate triplet energy of ca. 237 kj/mol.

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