Allyloxy-pyridinium salts with various substituents on the allylic moiety are shown to be very efficient coinitiators in radical promoted cationic polymerization of cyclohexene oxide. Depending upon the radical initiator chosen, cationic polymerizations may be initiated by either heat or light. For
✦ LIBER ✦
Initiation of cationic polymerization via oxidation of free radicals using pyridinium salts
✍ Scribed by A. Böttcher; K. Hasebe; G. Hizal; Y. Yaḡci; P. Stellberg; W. Schnabel
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 394 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0032-3861
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## Abstract **Summary:** The onium salts of selected aliphatic and aromatic amino acids were investigated as electron donors in photoinduced free radical polymerization, in conjunction with either DIBF or BP as sensitizer. The laser flash photolysis experiments unmistakably documented that the free