Vibrational analysis of poly(L‐lactic acid) | Zendy

Kister G. | Zendy; Cassanas G. | Zendy; Vert M. | Zendy; Pauvert B. | Zendy; Térol A. | Zendy

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Vibrational analysis of poly(L‐lactic acid)

Author(s) -

Kister G.,

Cassanas G.,

Vert M.,

Pauvert B.,

Térol A.

Publication year - 1995

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250260409

Subject(s) - raman spectroscopy , crystallinity , amorphous solid , lactic acid , chemistry , vibrational spectrum , crystallography , phase (matter) , materials science , analytical chemistry (journal) , organic chemistry , physics , bacteria , optics , biology , genetics

The Raman and IR spectra of poly( L ‐lactic acid) in the amorphous and semicrystalline states were recorded from 3600 to 100 cm −1 . Complete vibrational assignments are proposed. In the Raman spectra, the splittings of the v C=O stretching and the δCCO bend are characteristic of the crystalline phase and the presence of the two lines at 923 and 520 cm −1 indicates a 10 3 helical conformation.

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