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Publication: Forest Products Journal
Authors: Matuana Laurent M
Reference ID: 53(3):40-42
Publish Year: 2003
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Title: Thermally conducive carbon filler in wood-based composites
Description:
In conventional approaches to reducing the press time of wood composites, high press temperatures and/or an external catalyst is often used to accelerate the resin cure rate to obtain acceptable press times. This paper explored the concept of combining a thermally conductive carbon filler material (e.g., synthetic graphite) with wood particles and flakes as a means to promote resin cure. The experimental results indicate that synthetic graphite does not act as a catalyst. Rather, graphite allows a faster resin cure by accelerating the heat (higher temperatures) into wood composites due to its higher thermal conductivity (600 Wm-1K-1) as compared to the low thermal conductivity of the wood (0.2 Wm-1K-1).
In conventional approaches to reducing the press time of wood composites, high press temperatures and/or an external catalyst is often used to accelerate the resin cure rate to obtain acceptable press times. This paper explored the concept of combining a thermally conductive carbon filler material (e.g., synthetic graphite) with wood particles and flakes as a means to promote resin cure. The experimental results indicate that synthetic graphite does not act as a catalyst. Rather, graphite allows a faster resin cure by accelerating the heat (higher temperatures) into wood composites due to its higher thermal conductivity (600 Wm-1K-1) as compared to the low thermal conductivity of the wood (0.2 Wm-1K-1).
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