Crystallization of poly(l-lactid acid) monitored by dielectric relaxation spectroscopy and atomic force microscopy
β Scribed by G. KORTABERRIA; C. MARIETA; A. JIMENO; P. ARRUTI; I. MONDRAGON
- Book ID
- 108864290
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 556 KB
- Volume
- 224
- Category
- Article
- ISSN
- 0022-2720
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## Abstract **Summary:** Dielectric relaxation spectroscopy was used to monitor the development of crystallinity in poly(Lβlactic acid) (PLLA) at 80βΒ°C. The continuous shifting of the main loss peak towards lower frequencies was modelled considering the evolution of three relaxation processes: the
Films of poly-L-leucine, poly-L-valine, and poly-L-isoleucine have been studied at the air-water interface by surface balance experiments. In addition, Langmuir-Blodgett (LB) films of these polypeptides deposited onto quartz and mica have been studied by circular dichroism (CD) spectroscopy and atom