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Cationic Ring Opening Polymerization of Octamethylcyclotetrasiloxane Initiated by Acid Treated Bentonite

✍ Scribed by Bi CHEN; Xiaoli ZHAN; Lingmin YI; Fengqiu CHEN


Book ID
114337978
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
465 KB
Volume
15
Category
Article
ISSN
1004-9541

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Anionic non-equilibrium ring-opening pol
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## Abstract The initiation and propagation reactions in anionic non‐equilibrium polymerization of octamethylcyclotetrasiloxane (D~4~) initiated by silazyl‐lithiums are investigated. It is found that: both the steric hindrance effect and the electronic effect of the substitutes on the Si atom Si inf