Photoinitiated Cationic Polymerization of p-methylstyrene by Methoxy Trityl Salts
Titel:
Photoinitiated Cationic Polymerization of p-methylstyrene by Methoxy Trityl Salts
Auteur:
Abu-Abdoun, Ideisan I.
Verschenen in:
International journal of polymeric materials
Paginering:
Jaargang 57 (2008) nr. 6 pagina's 584-593
Jaar:
2008-06
Inhoud:
Photoinitiated cationic polymerization of p-methylstyrene has been investigated in dichloromethane at 25°C, using stable, soluble, and nonhygroscopic di, tri and pentamethoxy trityl carbocationic salts, having non-nucleophilic anions such as SbF6-, AsF6-, PF6-. The reactivity of these salts falls in the order: trimethoxy > dimethoxy > pentamethoxy. The effects of counter ion structure, salt concentration, photolysis time and photolysis wavelength on the polymerization rate are presented.
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