Photo sensitized cationic polymerization of cyclohexene oxide using a phenacylanilinium salt

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Atıf İçin Kopyala

KASAPOGLU F., Yagci Y.

MACROMOLECULAR RAPID COMMUNICATIONS, cilt.23, sa.9, ss.567-570, 2002 (SCI-Expanded)

• Yayın Türü: Makale / Tam Makale
• Cilt numarası: 23 Sayı: 9
• Basım Tarihi: 2002
• Doi Numarası: 10.1002/1521-3927(20020601)23:9<567::aid-marc567>3.0.co;2-8
• Dergi Adı: MACROMOLECULAR RAPID COMMUNICATIONS
• Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Sayfa Sayıları: ss.567-570
• İstanbul Teknik Üniversitesi Adresli: Evet

Özet

The photoinitiated cationic polymerization of cyclohexene oxide with N-phenacyl-N,N-dimethylanilinium hexafluoroantimonate (PDA(+)SbF6(-)) and a poly-nuclear aromatic compound, such as perylene, anthracene or phenothiazine, or an aromatic carbonyl compound, such as benzophenone or thioxanthone, was studied at lambda(inc) > 340 nm. All the aromatic sensitizers except benzophenone and thioxanthone are effective in initiating the polymerizatior at wavelengths where PDA(+)SbF(6)(-) is transparent. An initiation mechanism is proposed that involves electron transfer from the excited sensitizer to PDA(+)SbF(6)(-).