Dong WANG, Lan-ying LIN, Feng FU, La HU. Chemical Construction Changes of Compression Wood Main Components in Longitudinal Tension by the FTIR Analysis[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3585
- Spectroscopy and Spectral Analysis
- Vol. 40, Issue 11, 3585 (2020)
Fig. 1. Clear small samples of compression wood (CW) and normal wood (NW) from Masson pine samples
Fig. 2. Microfibril angles (MFAs) of the CW and NW from Masson pine samples
Fig. 3. FTIR spectra of the CW and NW from Masson pine samples
Fig. 4. FTIR spectra of different strains of a Masson pine wood
(b): C=O of lignin skeleton;(c): glycoside bond of cellulose;(d): CH3C=O of xylan
(b): C=O of lignin skeleton;(c): glycoside bond of cellulose;(d): CH3C=O of xylan
Fig. 5. The wavenumber changes of the C—O—C of cellulose and C=O of lignin skeleton numberwave with the strain increase of the CN and NW samples
Fig. 6. The wavenumber changes of the —OH of cellulose intramolecular numberwave with the strain increase of the CN and NW samples
Fig. 7. The longitudinal tensile strain of cell wall at different microfibril angles MFAs
Fig. 8. The stress-strain curves of longitudinal tension and deformation mechanisms of the CW and NW samples
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