London component of the surface energy of heat-treated silicas

作者: Gilbert Ligner , Alain Vidal , Henri Balard , Eugène Papirer

DOI: 10.1016/0021-9797(89)90293-2

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摘要: Abstract The surface properties of silicas various origins were measured by inverse gas chromatography. Thus, after thermal treatment silicas, the variation in dispersive components (γSD) their energies was determined. Different but typical behaviors either for amorphous or crystalline observed. In comparison with other studies, a correlation is suggested between γSD and modification chemical physical silica surfaces heat treatment.

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