Wetting of solids by surface-active agents: The effects of unequal adsorption to vapor-liquid and solid-liquid interfaces

Pyter, Richard A.; Zografi, George; Mukerjee, Pasupati

doi:10.1016/0021-9797(82)90128-x

Cited by 103 publications

(79 citation statements)

References 18 publications

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“…For adsorption with the tails onto the surface, the following requirement has to be fulfilled ~)ts < ~)so "~-~to (2) in which ~i2 is the interfacial tension between components i and j; t, s and o refer to components as listed above. The term Yto is a constant since it does not depend on the nature of s, but the other two vary with surface hydrophobicity.…”

Section: Discussionmentioning

confidence: 99%

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Surfactant-induced wetting transitions: Role of surface hydrophobicity and effect on oil permeability of ultrafiltration membranes

Keurentjes

Stuart

Brinkman

et al. 1990

Colloids and Surfaces

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Section: Discussionmentioning

confidence: 99%

“…The presence of amphiphilic molecules in a solution usually affects the hydrophobicity (or wettability) of a surface in contact with this solution [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Surfactant-induced wetting transitions: Role of surface hydrophobicity and effect on oil permeability of ultrafiltration membranes

Keurentjes

Stuart

Brinkman

et al. 1990

Colloids and Surfaces

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“…Wu [29] has found a still better agreement to obtain γ s when he used a harmonic mean equation which combines both the dispersion and the polar forces. Wu's approach has been quite satisfactoriy verified by several authors [30][31][32][33][34]. In order to verify Wu's approach, two liquids of dissimilar polarity are selected.…”

Section: Theory and Calculationsmentioning

confidence: 99%

Polystyrene/calcium phosphate nanocomposites: Contact angle studies based on water and methylene iodide

Thomas¹,

Abraham²,

Bandyopadhyay³

et al. 2008

Express Polym. Lett.

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Abstract. Polystyrene (PS) based nanocomposites were prepared by melt mixing in a Brabender Plasticoder with calcium phosphate as the nanofiller. These nanocomposites showed improvement in almost all physical properties. Contact angle measurements of the composites with water and methylene iodide were carried out. Various contact angle parameters such as total solid surface free energy, work of adhesion, interfacial free energy and spreading coefficient were analysed. The interaction parameter between the polymer and the liquids has been calculated using the Girifalco-Good's equation.

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“…Wu [22] used a harmonic equation to obtain the value of γ s , which combines both the polar and dispersion forces. Wu's approach has been satisfactorily verified by several other authors [23,24]. To verify Wu's approach, two liquids of dissimilar polarity are selected.…”

Section: Theory and Calculationsmentioning

confidence: 84%

Morphology and contact angle studies of poly(styrene-co-acrylonitrile) modified epoxy resin blends and their glass fibre reinforced composites

Hameed¹,

Abraham²,

Thomas³

2007

Express Polym. Lett.

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Abstract. In this study, the surface characteristics of blends and composites of epoxy resin were investigated. Poly(styreneco-acylonitrile) (SAN) was used to modify diglycidyl ether of bisphenol-A (DGEBA) type epoxy resin cured with diamino diphenyl sulfone (DDS) and the modified epoxy resin was used as the matrix for fibre reinforced composites (FRP's). E-glass fibre was used as the fibre reinforcement. The scanning electron micrographs of the fractured surfaces of the blends and composites were analyzed. Morphological analysis revealed different morphologies such as dispersed, cocontinuous and phase-inverted structures for the blends. Contact angle studies were carried out using water and methylene iodide at room temperature. The solid surface energy was calculated using harmonic mean equations. Blending of epoxy resin increases its contact angle. The surface free energy, work of adhesion, interfacial free energy, spreading coefficient and Girifalco-Good's interaction parameter were changed significantly in the case of blends and composites. The incorporation of thermoplastic and glass fibre reduces the wetting and hydrophilicity of epoxy resin.

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Wetting of solids by surface-active agents: The effects of unequal adsorption to vapor-liquid and solid-liquid interfaces

Cited by 103 publications

References 18 publications

Surfactant-induced wetting transitions: Role of surface hydrophobicity and effect on oil permeability of ultrafiltration membranes

Surfactant-induced wetting transitions: Role of surface hydrophobicity and effect on oil permeability of ultrafiltration membranes

Polystyrene/calcium phosphate nanocomposites: Contact angle studies based on water and methylene iodide

Morphology and contact angle studies of poly(styrene-co-acrylonitrile) modified epoxy resin blends and their glass fibre reinforced composites

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