Structure and properties of boundary layers of water

Deryagin, B. V.; Churaev, N. V.; Zorin, Z. M.

doi:10.1007/bf00956884

Cited by 2 publications

(2 citation statements)

References 37 publications

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“…This implies that for nano-colloids there is an effect which precludes the formation of a dry front. This is likely the disjoining pressure [21] which will tend to maintain a continuous film of liquid molecules at the particle surface even under evaporation. Under these drying conditions this effect finally precludes any further evaporation since the saturation tends to a finite value (see Fig.4) which varies between 8 and 20% depending on exact experimental conditions.…”

Section: Discussion and Analysismentioning

confidence: 99%

Water transfer and crack regimes in nanocolloidal gels

et al. 2015

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HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés. Abstract: Direct observations of the surface and shape of model nano-colloidal gels associated with measurements of the spatial distribution of water content during drying show that air starts to significantly penetrate the sample when the material stops shrinking. We show that whether the material fractures or not during desiccation, as air penetrates the porous body, the water saturation decreases but remains almost homogeneous throughout the sample. This airinvasion is at the origin of another type of fracture due to capillary effects; these results provide a new insight in the liquid dynamics at the nano-scale. PACS number(s): 47.56.+r, 68.03.Fg, 81.40.Np Water transfer and crack regimes in nano-colloidal gels

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Section: Discussion and Analysismentioning

confidence: 99%

Water transfer and crack regimes in nanocolloidal gels

et al. 2015

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“…Investigations in this field were originated in works by Derjaguin, Churaev, Rabinovich, Zorin, Israelashvili, Pashley, Kitchener, and Peshel, who studied polymolecular films of polar liquids on the quartz surface or between the quartz surfaces [10][11][12][13][14][15][16][17][18][19][20][21][22][23]. To date, numerous investigations with the use of different physical methods (NMR; ellipsometry; measurements of the heat capacity, electrical conductivity, viscosity, freezing temperature, etc.)…”

Section: Introductionmentioning

confidence: 99%

Aggregate stability of the sol prepared from crystalline quartz in aqueous solutions of potassium chloride

et al. 2006

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The aggregate stability of the sol prepared from crystalline quartz is investigated by the direct method of flow ultramicroscopy. It is demonstrated that the boundary layers of water and the structural component of the particle interaction energy affect the stability of the sol and depend on the pH value. The parameters of the structural component of the energy of the interaction between quartz particles are estimated.

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Structure and properties of boundary layers of water

Cited by 2 publications

References 37 publications

Water transfer and crack regimes in nanocolloidal gels

Water transfer and crack regimes in nanocolloidal gels

Aggregate stability of the sol prepared from crystalline quartz in aqueous solutions of potassium chloride

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