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Journal of the Chilean Chemical Society

versión On-line ISSN 0717-9707

Resumen

NEIRA-CARRILLO, ANDRÓNICO; PILLAI, SAJU  y  PAI, RANJITH KRISHNA. SELECTIVE CONTROL OF CALCIUM CARBONATE CRYSTALS MORPHOLOGIES USING SULFONATED POLYMER AS ADDITIVE. J. Chil. Chem. Soc. [online]. 2014, vol.59, n.1, pp.2308-2310. ISSN 0717-9707.  http://dx.doi.org/10.4067/S0717-97072014000100014.

We report two selective morphologies of CaCO3 crystals using poly(potassium 2-acrylamido-2-methylpropanesulfonate) [poly(KAMPS)] as template through gas diffusion method. The presence of anionic sulphonte groups on poly(KAMPS) determined the kinetic crystallization and was fundamental for stabilizing oriented triangle and tubular shape of calcite. The modified CaCO3 were followed by SEM and XRD techniques. Inorganic architectures with hierarchically complex shape and optimized properties have great potential as agents in optical, electronic, magnetic and biomedical applications.

Palabras clave : calcite; crystallization; gas diffusion method; polymorphs.

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