Controlling Foam Morphology of Poly(methyl methacrylate) via Surface Chemistry and Concentration of Silica Nanoparticles and Supercritical Carbon Dioxide Process Parameters

<table>The concentration of the B (bare), F (~73% surface coverage) and FF (&gt;100% surface coverage) silica nanoparticles in PMMA as measured by TGA. The vertical capped lines through symbols indicate error from TGA measurements.</table>

Journal of Chemistry

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Figure 4

Figure 4: Controlling Foam Morphology of Poly(methyl methacrylate) via Surface Chemistry and Concentration of Silica Nanoparticles and Supercritical Carbon Dioxide Process Parameters 

Figure 4 | Controlling Foam Morphology of Poly(methyl methacrylate) via Surface Chemistry and Concentration of Silica Nanoparticles and Supercritical Carbon Dioxide Process Parameters 