Polymerization of hexamethylcyclotrisiloxane by tetramethylammonium fluoride in the presence of hydroxyl-containing compounds
β Scribed by P.L. Prikhod'ko; V.M. Kopylov; L.M. Tartakovskaya; A.A. Zhdanov
- Book ID
- 118968222
- Publisher
- Elsevier Science
- Year
- 1984
- Weight
- 328 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0032-3950
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Polymerization of hexamethylcyclotrisiloxane in at 30ΓC, initiated by triΓ½ic (D 3 ) CH 2 Cl 2 acid (TfOH) was studied in the presence of siloxanediols or which polycondense (HD 2 OH HD x OH) giving water, or in the presence of water alone for comparison. D represents a siloxane unit OSiMe 2 . In the
Lithium chloride was found to be an effective and biocompatible catalyst for the ring-opening polymerization of lactide in the presence of hydroxyl-containing compounds. Ethylene glycol (EG) and methyl β£-D-glucopyranoside (MGlc) were used as multifunctional initiators. The polymerization was carried