May the use of CaO, as an example, as additive to a polymeric material to prepare a composite, differ from the use of normal particle size CaO for the same purpose, regarding the composition and performance ?
One would never use CaO as a filler. It appears that you are not a chemist.
Dear Alan
Thanks, I am a chemist and you may refer to my account. I just mentioned any name of a material for preparing a composite with a polymer. My concern is in the amount to be used in preparing a composite, is it lower for the nano particles and does it worth using the valuable material as a composite constituent? and what may be the benefits over using the normal particles?
Dear Mahmood,
maybe you should consider better what is the final result you want to obtain. If you want the filler to improve the mechanical properties of the polymer (which is why fillers are normally used), then I would say "normal particles" as you call them would be enough.
On the other hand, one advantage of using nanoparticles is their significantly higher surface area that might as well improve their reactivity. It does not necessarily mean that the mechanical properties will be also improved, but they might be also enhanced, provided that they are homogeneously distributed within the polymer. Nevertheless, nanoparticles tend to agglomerate and that represents also a processing challenge.
Regards
OK, Mahmood, if you are a chemist please can you tell me some relevant properties of CaO. Thank you.
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