Urea-formaldehyde (UF) resins are the main adhesives used in the production of wood-based panels. However, due to the formaldehyde emission problem, research on the low molar ratio UF resins is being the main concern. Unfortunately, low molar ratio UF...
Urea-formaldehyde (UF) resins are the main adhesives used in the production of wood-based panels. However, due to the formaldehyde emission problem, research on the low molar ratio UF resins is being the main concern. Unfortunately, low molar ratio UF resins have some weakness, such as longer gelation time and poor adhesion performance. Recently, a research found that low molar ratio UF resins tend to have linear polymer and causing polymer to form crystal structure. To overcome those problems, it is necessary to prevent the formation of ordered crystal structures. Therefore, this research used transition metal ion-bentonite (TMI-BNT) obtained from ion exchange method to provide exfoliation of the modified nanoclay. Differential scanning calorimetry (DSC) was used to understand thermal curing behaviour of modified UF resins with TMI-BNT nanoclay. The calculation of cure kinetics of these resins is underway.