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Living polytetrahydrofuran was terminated with pyridinium or isoquinolinium N-oxide to yield polymers with the corresponding end groups. Direct and sensitized irradiation of these photoacfive polytetrahydrofurans produced alkoxyl radicals at both chain ends capable of initiating the radical polymerization of methyl methacrylate. In this way, triblock copolymers were formed. The block copolymer composition was determined with the aid of g.p.c, and optical and 1H n.m.r, spectroscopy

Посилання на статтю:

N-alkoxy pyridinium ion terminated polytetrahydrofurans. Synthesis and their use in photoinitiated block copolymerization / G. Hizal*, Y. Yagci* and W. Schnabel // Polymer. – 1994. – Vol 35. – P. 4443-4448.

N-alkoxy pyridinium ion terminated polytetrahydrofurans. Synthesis and their use in photoinitiated block copolymerization - Завантажити.