The cationic polymerization of octadecyl vinyl ether (ODVE) initiated by trimethylsilyl iodide and 1,l-diethoxyethane in the presence of ZnI, in toluene at 0Β°C and 10Β°C has been investigated. For molecular weights lower than 6000, a linearity of M,, with conversion was observed, but for higher molec
Synthesis and degradation of end-group-functionalized polylactide
β Scribed by Soo-Hong Lee; Soo Hyun Kim; Yang-Kyoo Han; Young Ha Kim
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 414 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0887-624X
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The enzymatic synthesis of polyesters from Low molecular weight polyesters that can be syntheactivated diesters and diols has been investigated. Difsized via lipase catalyzed polytransesterification, if ferences between enzymatic synthesis and traditional completely terminated by hydroxyl groups, ca
Copolymers of racemic b-butyrolactone (b-BL) with Ξ΅ Ξ΅ Ξ΅ Ξ΅ Ξ΅ Ξ΅ -caprolactone (Ξ΅ Ξ΅ Ξ΅ Ξ΅ Ξ΅ Ξ΅ -CL) P(BL-co-CL) and d-valerolactone (d-VL) P(BL-co-VL) were prepared by ring-opening polymerization using a commercial aluminoxane catalyst, tetraisobutyldialuminoxane (TIBAO). The yields, molecular weights, co