Abstract
The template-directed nucleation of inorganic materials by organic supramolecular frameworks is an overarching principle in biomineralization. In the present work, synthesized latex particles of poly(styrene-ran-methacrylic acid) were used as additives for the crystallization modification of calcium carbonate (CaCO3). The influence of latex particles on the crystallization behavior was investigated by means of transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), and thermal gravimetry analysis (TGA). The results indicate that not only the concentrations of polymer latex but also the pH values of the initial polymer latex solution affect the controlling effect of latex particles on the CaCO3 crystalline phase. Another interesting phenomenon is that freshly prepared latex particles induced the formation of a clear organic/inorganic interface, while the addition of flocculated latex suspension generated the unique concave calcites, which might be attributed to ...
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