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PLLA Morphology Controlled by Dry-cast Process

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International Polymer Processing

Carl Hanser Verlag

10.3139/217.0087

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Abstract

The influence of solvent evaporation rate, in the dry-casting process, on crystallinity and morphology of crystallizable polymeric membrane was studied. Poly-l-lactic acid (PLLA) was taken as an example. The membranes were characterized by scanning electron microscopy (SEM) and differential scanning calorimetry (DSC). By controlling the solvent evaporation rate, samples with various crystallinities were prepared. From higher to lower crystallinity the membranes exhibit three types of surface morphology in sequence: granule, stripe and smooth.

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Most cited references 17

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Synthetic Polymeric Membrane

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Macromolecules

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Author and article information

Affiliations
1 Department of Materials Science & Engineering, Tsinghua University, Beijing, P. R. China
Author notes
Mail address: C. Fuzhai, Department of Materials Science & Engineering, Tsinghua University, Beijing 100084, P. R. China. E-mail: cuifz@123456mail.tsinghua.edu.cn (F. Z. Cui)
Journal
ipp
International Polymer Processing
Carl Hanser Verlag
0930-777X
2195-8602
2006
: 21
: 2
: 164-167
© 2006, Hanser Publishers, Munich
Counts
References: 17, Pages: 4
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