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. 2020 Jun 28;13(13):2901. doi: 10.3390/ma13132901

Table 2.

Tabularized absorption bands assigned to the chemical groups in cellulose-filled composite samples.

Wavenumber [cm−1] Chemical Group Ref.
719 CH2 rocking vibrations in –(CH2)n [54]
1100–1000 CO-O-CO [55]
1050 C–O stretching vibration [54]
1100 –OH, Si–O-Si [21,56]
1160 C–O stretching vibration [54]
1300–1100 C–O, C=O, C=C, COOH [56]
1460 C–H deformation vibrations in – (CH2)n [54]
1700–1500 C=C [53,57]
2850 C–H symmetric stretching vibration in –CH2 [52,53]
2915 C–H asymmetric stretching vibration in –CH2 [53,54]
3600–3200 –OH stretching vibrations [53,58]