Photochemical and thermal cationic polymerizations promoted by free radical initiators
✍ Scribed by Firas A.M. Abdul-Rasoul; Anthony Ledwith; Yusuf Yaḡci
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 364 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0032-3861
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## Abstract A new synthetic approach for the preparation of block copolymers by mechanistic transformation from atom transfer radical polymerization (ATRP) to visible light‐induced free radical promoted cationic polymerization is described. A series of halide end‐functionalized polystyrenes with di
## Abstract The free radical cation of 1,4‐diaminobenzene (__p__‐phenylenediamine, PPD^+.^) has been generated in aqueous solution, wherein it is short‐lived, by oxidation of the parent compound with bromine. The same PPD^+.^ radical has also been produced by UV photolysis of the parent at 77 K in