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Z Hoyt added section_Conclusions_subsection_Thermal_Soy__.tex
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\section{Conclusions}
\subsection{Thermal}
Soy-based polyurethane foam was successfully fabricated with the kenaf core incorporated
into the foam for the property enhancement. The densities of Kenaf core - PU foams were greater
than that of neat PU foam and increased as the KC weight fraction increased. T
\subsection{Mechanical}
The compressive, flexural, and tensile properties of Soy based PU foams were improved as
high as 5, 10 and 15 %, respectively, as compared with the neat PU foam.
The greatest enhancement on compressive and flexural properties was shown at 5 wt% Kenaf
loading, while the highest tensile stress of PU foam was shown at 15 wt% Kenaf loading.
Understanding the weight vs. volume fraction is essential to actually see the potential of both
ingredients in the equation, today, the PU resin still at a high cost ingredient for the bio-composites
detailed here, making it difficult to produce economical when compared to polyolefin matrix resins
such as PU [ 1 ]. However, due to the low density of the Core, only 5% in weigh of Kenaf core
represent over a 20% reduction in volume of the PU resin needed.
\subsection{Composting}
The Soy Based PU-Kenaf Core composite brings an exciting alternative to current non-
degradable foams, substantially reducing the use of a polymer, average mechanical properties that
can be improved in a sandwich composite and a promising composting rate and no toxic residues.
