Ring-opening polymerization of styrene oxide with Maghnite-H+ as ecocatalyst
β Scribed by Ahmed Yahiaoui; Mohammed Belbachir
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 338 KB
- Volume
- 100
- Category
- Article
- ISSN
- 0021-8995
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract A new type of solid superacid (SO~4~^2β^/TiO~2~/Nd^3+^) was used for the ringβopening polymerization of chloromethylthiirane (CMT). TiO~2~ Β· H~2~O immersed in a sulfuric acid solution containing Nd^3+^ ions and calcined at 600Β°C gave the solid superacid for initiating the polymerization
Poly (1,3-dioxepane) [PDOP] triol was prepared by cationic ring-opening polymerization with [C 2 H 5 C(CH 2 OCH 2 CH 2 CO Ο© ClO 4 Οͺ ) 3 ], trioxocarbenium perchlorate, as an initiator. The structures of the PDOP triols obtained were verified by 1 H-NMR, FTIR, and GPC results. Initiation, propagation