Super-Hydrophobic Wood Composite with Plexiglass Coating

Haiquan Zhang1,#

Renjuan Wang1,#

Ling Wang1,#

Shuliang Li2

Yihui Yuan1

Ning Wang1

Songjiao Chen1

Xianmin Mai2,Email

1State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University Haikou 570228, P.R. China
2School of Architecture, Southwest Minzu University, Chengdu 610041, P. R. China
3Section of Geology, Mining and Processing of Minerals, Russian Engineering Academy, Moscow 125009, Russia

 

Abstract

As a typical anisotropic material, wood exhibits significant volume expansion/contraction during adsorption/desorption of water, increasing the risk of mold infection and cracking. Herein, we have designed a plexiglass coating on the surface of wood to overcome this shortcoming. Based on the high light transmittance of the acrylic glass, the as-prepared composite material retains the original texture and color of wood. Ethanol solvent enhances the wettability of methyl methacrylate (MMA) with wood, so that acrylic glass can grow in situ in shallow pores on the surface of wood. The design enhances the interface contact between the plexiglass coating and wood. Further relying on the super-hydrophobic properties of stearic acid (SA), the composite wood exhibits long-lasting mildew and cracking resistance. The excellent comprehensive performance of composite wood has great application potential in the field of structure and decoration.

Super-Hydrophobic Wood Composite with Plexiglass Coating