The Effect of Adhesive Content on the Properties of Molded Particleboards
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Keywords:
Particleboard, Melamine Urea Formaldehyde, Melamine Content, Screw Holding StrengthsAbstract
–The type of adhesive and overlay material used in the production of molded particleboards
significantly influences the product properties. This study investigates the effect of different melamine
content in melamine urea-formaldehyde (MUF) adhesive on the properties of molded particleboards.
Wood chips along with planer and sawdust were used as raw materials for the production of test samples.
The melamine content in the MUF adhesive was varied at 16%, 18%, and 20%. The physical and
technological properties of the test samples were determined to assess the impact of melamine content in
the MUF adhesive. The results indicate that as the melamine content in the MUF adhesive increases, the
bending and screw holding strengths of the boards also increase, while both hot and cold water resistance
improve. The lowest thickness swelling values were observed with 20% melamine content, with hot water
resistance at 1.48% and cold water resistance at 0.58%. The highest mechanical properties were also
achieved with 20% MUF, with a bending strength of 401.55 kgf/cm² and a screw holding strength of
18.16 kgf/mm.
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