Swelling of TMA(tetramethylammonium)- and HDP(hexadecylpyridinium)-Montmorillonites in Water and Toluene Media: Influence of the Type Montmorillonites



Título del documento: Swelling of TMA(tetramethylammonium)- and HDP(hexadecylpyridinium)-Montmorillonites in Water and Toluene Media: Influence of the Type Montmorillonites
Revista: Materials research
Base de datos: PERIÓDICA
Número de sistema: 000312449
ISSN: 1516-1439
Autores: 1

Instituciones: 1Universidad Nacional de Mar del Plata, Centro de Tecnología de Recursos Minerales y Cerámica, Buenos Aires. Argentina
Año:
Periodo: Oct
Volumen: 3
Número: 4
Paginación: 115-118
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental
Resumen en inglés Organo-clays were prepared by exchange cations of the montmorillonite with tetramethylammonium (TMA)- and hexadecylpyridinium (HDP)-chloride. Two different montmorillonite types were studied. Two amounts of each organic substances (1 and 4 cation exchange capacity times of montmorillonite) were contacted with each montmorillonite clay for 1 and 24 h. The solids were characterized by X-ray diffraction and swelling index. The swelling was measured in water and toluene media. The structural characteristics of montmorillonites changed after organo treatment and showed different behaviour in water and toluene media. The type of montmorillonite, the organic cation intercalates (TMA, HDP) and condition of treatment influenced in the different swelling in water and toluene media
Disciplinas: Química,
Ingeniería
Palabras clave: Química orgánica,
Ingeniería de materiales,
Propiedades fisicoquímicas,
Sólidos,
Arcillas,
Montmorillonita,
Tolueno
Keyword: Chemistry,
Engineering,
Organic chemistry,
Materials engineering,
Physicochemical properties,
Solids,
Clays,
Montmorillonite,
Toluene
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