2005年1月
New attempt at the stereoselective polymerization of lactide by using crystallization during polymerization
MACROMOLECULAR RAPID COMMUNICATIONS
- ,
- ,
- ,
- 巻
- 26
- 号
- 2
- 開始ページ
- 98
- 終了ページ
- 102
- 記述言語
- 英語
- 掲載種別
- DOI
- 10.1002/marc.200400428
- 出版者・発行元
- WILEY-V C H VERLAG GMBH
The stereoselective polymerization of partial rac-lactide was attempted by using crystallization during polymerization. Polymerizations were carried out with trifluoromethanesulfonic acid in a mixed solvent of toluene and octane. The molar content Of L-lactate in the feed was 95%. Polymerization proceeded with the elimination of D-lactate by means of crystallization. Poly(L-lactic acid) (PLLA) crystals were first precipitated and then plate-like poly(lactic acid) (PLA) crystals were finally obtained, of which the composition Of L-lactate was 97.6% and the (M) over bar (n) was 1.68 x 10(4).
- リンク情報
- ID情報
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- DOI : 10.1002/marc.200400428
- ISSN : 1022-1336
- Web of Science ID : WOS:000226696500005