Solid-state carbon-13 NMR study of resol-type phenol-formaldehyde resins
✍ Scribed by Maciel, Gary E.; Chuang, I. Ssuer; Gollob, Lawrence
- Book ID
- 121507696
- Publisher
- American Chemical Society
- Year
- 1984
- Tongue
- English
- Weight
- 805 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0024-9297
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## Abstract A one‐ and two‐dimensional NMR study was performed on three commercial resol phenol—formaldehyde (PF) prepolymer resins. ^1^H, ^13^C, CSCM and DQF COSY NMR spectral data, in acetone‐__d__~6~, were obtained on each resin and on PF model compounds: phenol, five methylolphenols, four diphe
The experimental time of 13 C-NMR quantitative analysis of phenol-formaldehyde resins was reduced so that quantitativeness was maintained. The quantitative spectra of 14 model resins were obtained using a gated decoupling technique suppressing the NOE. The paramagnetic additive, Cr(acac) 3 , was use