Abstract
The dynamic storage modulus E' of rubberwood ( Hevea braziliensis) increased after the in situ polymerization of methylmethacrylate in the wood cellular structure. A significant linear relationship existed between the percentage increase in E' and polymer loading. A thermal scan of tan δ values between -120° and 200°C revealed that the damping pattern of rubberwood was affected to different extents by three different polymeric systems. Poly(styrene- co-acrylonitrile) caused the greatest change in the damping pattern, followed by polymethylmethacrylate-dioxane, and polymethylmethacrylate. This observed trend was attributed to the relative extent of monomer penetration and interaction with the wood cell-wall components.
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Schedule a callMore From: International Journal of Radiation Applications & Instrumentation. Part C, Radiation Physics & Chemistry
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