STABILIZATION, REFORMATION AND MELTING OF POLY（L-LACTIDE） CRYSTALLITES

Tai-Yon Cho; Barbara Heck; Gert Strobl

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STABILIZATION, REFORMATION AND MELTING OF POLY（L-LACTIDE） CRYSTALLITES

Feature Article | Updated：2021-06-21

- STABILIZATION, REFORMATION AND MELTING OF POLY（L-LACTIDE） CRYSTALLITES
- STABILIZATION, REFORMATION AND MELTING OF POLY（L-LACTIDE） CRYSTALLITES
- 高分子科学（英文版） 2007年第1期页码：83-94
- Affiliations：
  
  1. Physikalisches Institut Albert-Ludwigs-Universitt Freiburg Freiburg ,79104
  2. Germany
- Author bio：
- Funds：
  
  This work was supported by the Deutsche Forschungsgemeinschaft. Thanks are also due to the Fonds der Chemischen Industrie for financial help.()
- DOI：
  中图分类号： O631.3
- 纸质出版：2007
- Accepted：
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[1]Tai-Yon Cho,Barbara Heck,Gert Strobl.STABILIZATION, REFORMATION AND MELTING OF POLY(L-LACTIDE) CRYSTALLITES[J].Chinese Journal of Polymer Science,2007(01):83-94.

STABILIZATION, REFORMATION AND MELTING OF POLY（L-LACTIDE） CRYSTALLITES[J]. 2007, (1): 83-94.
[1]Tai-Yon Cho,Barbara Heck,Gert Strobl.STABILIZATION, REFORMATION AND MELTING OF POLY(L-LACTIDE) CRYSTALLITES[J].Chinese Journal of Polymer Science,2007(01):83-94. DOI：

STABILIZATION, REFORMATION AND MELTING OF POLY（L-LACTIDE） CRYSTALLITES[J]. 2007, (1): 83-94. DOI：

摘要

<正>The large size of the crystallites in poly（L-lactide） and the low growth rate enable detailed time- and temperature-dependent X-ray scattering studies of the ordering processes to be carried out. A layer located intermediate between crystals and melt-like regions is observed which finally takes on crystalline order. Recrystallization processes during heating change the complete stack structure rather than the crystallites individually and produce voids in the stacks. Establishment of a new stable structure after a temperature jump in the melting range can be followed in time. DSC experiments indicate times of melting of the order of minutes.

Abstract

The large size of the crystallites in poly（L-lactide） and the low growth rate enable detailed time- and temperature-dependent X-ray scattering studies of the ordering processes to be carried out. A layer located intermediate between crystals and melt-like regions is observed which finally takes on crystalline order. Recrystallization processes during heating change the complete stack structure rather than the crystallites individually and produce voids in the stacks. Establishment of a new stable structure after a temperature jump in the melting range can be followed in time. DSC experiments indicate times of melting of the order of minutes.

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