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Polymerization of octamethylcyclotetrasiloxane in the presence of α,ω-disodiumoxymethylphenylsiloxanes

✍ Scribed by K.A. Andrianov; M.A. Sipyagina

Book ID
118357472
Publisher
Elsevier Science
Year
1966
Weight
237 KB
Volume
8
Category
Article
ISSN
0032-3950

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Mechanism of Octamethylcyclotetrasiloxan
Mechanism of Octamethylcyclotetrasiloxane Polymerization in the Presence of Siloxanediols
✍ Bischoff, Rémy; Sigwalt, Pierre 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 868 KB

Polycondensation of tetramethyldisiloxanediol (HD,OH) by triflic acid (TfOH) in the presence of octamethylcyclotetrasiloxane (D,) has been studied at 30°C in CH,Cl, solution and in bulk at 80°C. The condensation follows a similar pathway, at a similar rate, in the presence or in the absence of D,. L