Effect of Nano-ZnO on Thermal, Mechanical, UV Stability, and Other Physical Properties of Wood Polymer Composites

Wood polymer nanocomposite (WPNC) was prepared by impregnation of styrene-acrylonitrile copolymer (SAN) of 2:3 molar ratio, vinyl trichlorosilane (VTCS) modified ZnO nanoparticles and glycidyl methacrylate (GMA) as a cross-linking agent into cellular structure of wood. The surface modification of Zn...

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Bibliographic Details
Published inIndustrial & engineering chemistry research Vol. 51; no. 10; pp. 3870 - 3880
Main Authors Devi, Rashmi R, Maji, Tarun K
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 14.03.2012
Subjects
Applied sciences
Chemical engineering
Dispersions
Exact sciences and technology
Nanoparticles
Nanostructure
Styrene acrylonitrile resins
Transmission electron microscopy
Walls
Wood
Zinc oxide
Ultraviolet radiation
Stability
Wood
Physical properties
Composite material
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Summary:Wood polymer nanocomposite (WPNC) was prepared by impregnation of styrene-acrylonitrile copolymer (SAN) of 2:3 molar ratio, vinyl trichlorosilane (VTCS) modified ZnO nanoparticles and glycidyl methacrylate (GMA) as a cross-linking agent into cellular structure of wood. The surface modification of ZnO nanoparticles and the properties of the WPNC were investigated by XRD, FTIR, TGA, SEM and TEM. The mechanical properties including modulus of rupture (MOR), tensile strength and hardness, and multifunctional properties involving UV resistance, water resistance, dimensional stability and thermal stability were studied. The nano-ZnO particles dispersed uniformly in the polymer filled in the porous structure of wood, as evidenced by SEM-EDX and FTIR, respectively. TEM study showed the homogeneous dispersion of ZnO nanoparticles on the cell wall of wood with SAN polymer matrix.
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ISSN:0888-5885
1520-5045
DOI:10.1021/ie2018383