Carbon-13 CP/MAS NMR study of the structural dependence of urea-formaldehyde resins on formaldehyde-to-urea molar ratios at different urea concentrations and pH values
- 1 June 1992
- journal article
- research article
- Published by American Chemical Society (ACS) in Macromolecules
- Vol. 25 (12), 3204-3226
- https://doi.org/10.1021/ma00038a029