13C CP/MAS NMR study of a wood/phenol–formaldehyde resin bondline
✍ Scribed by Marie-Pierre G. Laborie; Charles E. Frazier
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 216 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0022-2461
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## Abstract ^13^C CP/MAS NMR spectra were recorded to characterize the solid‐state conformation of flavonoids: galangin, kaempferol, quercetin, myricetin, chrysin, apigenin, luteolin, acacetin, hesperetin and naringenin. Correct assignment of the signals in solution‐state spectra (using APT, HSQC a
Both liquid-and solid-state 13 C-NMR spectroscopies were employed to investigate the cure-acceleration effects of three carbonates [propylene carbonate (PC), sodium carbonate (NC), and potassium carbonate (KC)] on liquid and cured phenolformaldehyde (PF) resins. The liquid-phase 13 C-NMR spectra sho