The synthesis of chlorine-terminated telechelic polyisobutylene
β Scribed by Wu Guanying; Cheng Bin; Zhao Yixin
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 200 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0170-0839
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π SIMILAR VOLUMES
## Abstract Telechelic polyisobutylenes with silylcyclopentadiene termini (CpSiβPIBβSiCp) were prepared, starting with Ξ±,Οβdi(__t__βchloro)polyisobutylene and followed by dehydrochlorination, hydrosilylation, and cyclopentadienylation. The prepolymer was characterized and found to have a terminal f
Isobutenyl-telechelic polyisobutylenes (PIBs) were synthesized by reacting tert-chlorine-telechelic and living PIBs with isobutenyltrimethylsilane (IBTMS) in the presence of TIC14 in CH2Cl2/hexane (40/60 v/v) solvent mixtures at -78Β°C. In order to obtain PIB oligomers, living polymerization of isobu