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Wavenumber Dependence of FT-IR Image of Molecular Orientation in Banded Spherulites of Poly(3-hydroxybutyrate) and Poly( l -lactic acid)

✍ Scribed by Hikima, Yuta; Morikawa, Junko; Hashimoto, Toshimasa


Book ID
119944414
Publisher
American Chemical Society
Year
2013
Tongue
English
Weight
708 KB
Volume
46
Category
Article
ISSN
0024-9297

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Banded spherulites in poly(L-lactic acid
✍ Yaming Wang; JoΓ£o F. Mano πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 173 KB πŸ‘ 2 views

## Abstract The spherulitic morphology of pure poly(L‐lactide) (PLLA) was investigated with polarized optical microscopy as a function of the crystallization temperature and molecular weight. After being melted at 210Β°C for 3 min, samples were cooled quickly to designated temperatures for isotherma