The Korean Journal of Ceramics

한국세라믹학회 (The Korean Ceramic Society)
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Thermal Deintercalation of Ethylammonium-Aluminosilicate Intercalates with Various Layer Charges

  • 발행 : 1995.03.01
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초록

Ethylammonium-layered aluminosilicates intercalates were prepared by ion exchange reaction between the layered silicates with different layer changes density of 0.32∼0.41 e per unit formula and ethylammonium chloride. A kinetic study on the thermal deintercalation of the ethylammonium-layered silicate intercalates was carried out by range of 350℃ to 480℃ (heating rate of 10℃/min). Based on the Ozawa's method, the activation energies of the thermal deintercalation reaction were estimated as 171.2∼133.0 kJ/mol, which increase linearly with the layer charge densities.

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