✦ LIBER ✦

Crystallization Kinetics and Hydrophilicity Improvement of Biodegradable Poly(butylene succinate) in its Miscible Blends with Poly(ethylene oxide)

✍ Scribed by Jiaoming Lu; Zhaobin Qiu; Wantai Yang

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 412 KB
Volume: 293
Category: Article
ISSN: 1438-7492
DOI: 10.1002/mame.200800192

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✦ Synopsis

Abstract

The spherulitic morphology and growth, overall isothermal crystallization kinetics and hydrophilicity of PBSU were investigated by POM, DSC and WCA measurements in its miscible blends with PEO. The Hoffman‐Lauritzen equation was employed to analyze the spherulitic growth rates of neat and blended PBSU, which show a crystallization regime transition between regime II and III. The overall crystallization rates of PBSU decreased with increasing crystallization temperature, regardless of blend composition, while the crystallization mechanism does not change. A significant improvement in the hydrophilicity of PBSU can be achieved by blending with different weight fractions of PEO, which may be essential for the practical application of PBSU/PEO blends.

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