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Redox-initiated cationic polymerization: the pyridinium salt/ascorbate redox couple

✍ Scribed by A. Önen; Y. Yagci

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
239 KB
Volume
38
Category
Article
ISSN
0032-3861

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✦ Synopsis

Pyridinium salts undergo copper catalysed reduction in the presence of ascorbic acid. This system can be used for cationic ring opening polymerizations. The cationic polymerization of cyclohexene oxide, was studied using pyridinium salt/ascorbate redox couple.

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✍ G. Manivannan; P. Maruthamuthu 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 228 KB

The kinetics of aqueous polymerization of acrylonitrile initiated by peroxomonosulphate-Co(II) redox system have been investigated in the range 30-50°C under nitrogen at a fixed ionic strength of 0.30mol-dm -3. The overall rate of polymerization, followed gravimetrically, was found to be proportiona