Kumaon Engineering College Dwarahat

Almora, India

Kumaon Engineering College Dwarahat

Almora, India
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Tyagi Y.K.,Kumaon Engineering College Dwarahat | Sah P.L.,Govind Ballabh Pant University of Agriculture & Technology
Journal of Thermoplastic Composite Materials | Year: 2010

In this study, wood polymer composites (WPCs) were prepared with the impregnation of polymeric monomers methylmethacrylate (5.061 moles/L) and acrylonitrile (5.061 moles/L) into properly shaped black berry wood specimens in the presence of benzoyl peroxide (0.06 moles/L) to initiate the polymerization process forming free radicals in the benzene medium at 74 ± 1°C. Untreated wood and its polymethylmethacrylate (PMMA) and polyacrylonitrile impregnated wood composites were evaluated for stability of wood against thermo-oxidation in terms of differential thermogravimetry, thermogravimetry, differential thermal analysis in air, and wear stability in terms of wear volume. Such prepared WPCs indicated a significant improvement in all the properties investigated. It was also investigated that polyacrylonitrile impregnation imparted more resistance to wood against thermo-oxidation and wear in comparison to PMMA impregnation. Presence of PMMA and polyacrylonitrile impregnation into black berry wood was confirmed through scanning electron microscopy. © The Author(s), 2010.

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