Optimum Research of Hot-Pressing Technology of the Composite Board with Waste Wood and Paper
On the rise of global low-carbon economy with the purpose of leveraging waste wood resources efficiently, waste wood and paper was processed into new type wood-based panels. The hot-pressing technology of the 9 mm composite board with waste wood and paper was studied through an orthogonal experiment, and the effects of resin content, hot-pressing temperature, hot-pressing time and the mass ratio of waste wood and paper were discussed. Results indicated that effects of resin content on the MOR (Modulus of rupture), MOE (modulus of elasticity) and 24h TS (thickness swelling) of the composite board were remarkable, while effects of hot-pressing temperature, hot-pressing time and the mass ratio of waste wood and paper were slight. Based on the quality indicators of MOR, it was found that the optimum condition of hot-pressing for the 9 mm composite board with waste wood and paper was estimated to include resin content of 19%, hot-pressing temperature of 120 °C, hot-pressing time of 12.5min, and the mass ratio of waste wood and paper of 7 to 13. Under these conditions, the composite board could be used as new materials for furniture, interior decoration and packaging.
Key words: Waste wood; Waste paper; Composite board; Hot-pressing technology
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