Manufacturing and Interfacial Bonding Behavior of EVA Film Reinforced Flexible Decorative Veneer

Abstract

Polyethylene film reinforced flexible decorative veneer has attracted wide attention. However, its curling deformation has not been well solved due to the high processing temperature. Ethylene-vinyl acetate copolymer (EVA) has lower melting temperature and better flexibility than polyethylene. In this work, EVA film was selected to enhance Manchurian ash (Fraxinus mandshurica) aimed at preparing flexible decorative veneer with high strength and low curling degree. Box-Behnken experimental design method was applied to determine the optimum processing parameters. The secondary overlaying performance of the flexible veneer was evaluated. Under optimum conditions the EVA reinforced veneer obtained a maximum transverse tensile strength of 2.42 MPa. EVA can form a continuous interface with the veneer, which was helpful to improve the flexibility of the veneer. Curling degree of the EVA film reinforced veneer was far less than that of the polyethylene reinforced veneer even at the same processing temperature. EVA reinforced flexible veneer was good to be used to decorate wood-based panels without additional adhesives. Both immersion peel strength and surface bonding strength of the prepared decorative panel can meet the requirements of GB/T 15104-2006.

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“…Machines 2022, 10, x FOR PEER REVIEW 2 of 12 speed, tool angle and cutting direction [10,11], and that surface roughness is an important part for final product quality and guaranteed product commercial value [12]. Milling is the most commonly used processing method for wood machining for outstanding machining efficiency [13]. However, due to the lack of research on the milling performance of beech and the non-uniformity of beech wood, there are still quality problems such as abnormal surface damage during industrial beech machining, and how to reduce surface roughness is the key to improve product quality [14,15].…”

“…Milling is the most commonly used processing method for wood machining for outstanding machining efficiency [13]. However, due to the lack of research on the milling performance of beech and the non-uniformity of beech wood, there are still quality problems such as abnormal surface damage during industrial beech machining, and how to reduce surface roughness is the key to improve product quality [14,15].…”

Building a 4E interview-grounded theory model: A case study of demand factors for customized furniture

“…In addition, some scholars are conducting research on customized furniture materials. The decorated panels are the main materials of customized furniture [ 15 ]. However, some decorative panels furniture (mainly chipboard furniture) emits a high level of formaldehyde, endangering human health and having several adverse effects [ 16 ].…”