Abstract
In this research, the effect of melamine resin-impregnated paper waste mixed with industrial wood fibers for medium density fiberboard manufacture was studied. One layer laboratory panel with the resin-impregnated paper of 0/100, 10/90, 20/80, 30/70 percent by weight, press time of 4 and 6 min, and resin content of 8 and 10% to dry weight of fibers, was produced. The physical and mechanical properties of panels including modulus of rupture (MOR), modulus of elasticity (MOE), internal bonding (IB), and thickness swelling (TS) were measured. The results showed that resin-impregnated paper waste had a significant effect on MOR, MOE, and IB, where the TS of panels was decreased as resin-impregnated paper waste was increased. Furthermore, the result indicated that press time and resin content had a significant negative effect on the physical and mechanical properties of panels. According to statistical analysis, 20% resin-impregnated paper with 8% resin content and 4 min press time were the best treatments in this study.
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