Some characteristics of urea-formaldehyde powder adhesives
2006
Miljkovic, J.(University of Belgrade, Belgrade (Serbia). Faculty of Forestry) | Gavrilovic-Grmusa, I.(University of Belgrade, Belgrade (Serbia). Faculty of Forestry) | Djiporovic-Momcilovic, M.(University of Belgrade, Belgrade (Serbia). Faculty of Forestry) | Popovic, M.(University of Belgrade, Belgrade (Serbia). Faculty of Forestry)
Urea-formaldehyde (UF) glue resins were the most important type of adhesives in the wood industry last 60 years, especially for the production of wood based panels. More convenient spray dried UF powders went into use last two decades. Small and medium private wood processing plants in Serbia prefer to use such powder adhesives, since they are more convenient for small capacity production. There is no production of UF powder resin in Serbia so, necessary quantities are imported from abroad including producers from Asia. However, their characteristics are variable, dependent on syntheses steps and not well know among users. Objective of this research was to determine conveniencies and lacks in application of two imported UF powder resins in comparison to domestic UF emulsion.
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