Page 121 - Polymer-based Nanocomposites for Energy and Environmental Applications

Nanoclay and polymer-based nanocomposites: Materials for energy efficiency 97

In the other hand, the use of PCM into building materials is growing; for this, dif-
ferent research projects concern the evaluation and improvement of the performance
of the PCMs by the incorporation of various natural materials such as diatomite,
perlite, expanded graphite, and clay minerals that are available in abundance. Among
all the nanoparticles used in PCM, the nanoclays are the most promising functional
nanosized particles. This paper deals also the most commonly route for purifying
and clay modification by using organic molecules and their incorporation in PCM
materials. Finally, it presents a review on the polymer foams as a good way to improve
the thermal conductivity of the PCM and other interesting properties and those given
by the addition of small amounts of functional nanoclays. This chapter details also at
the end the manufacturing process of polymer foams as one of an interesting and
promising PCM.

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