منابع مشابه
Latex Colloid Dynamics in Complex Dispersions
Coating colors are applied to the base paper in order to maximize the performance of the end product. Coating colors are complex colloidal systems, mainly consisting of water, binders, and pigments. To understand the behavior of colloidal suspensions, an understanding of the interactions between its components is essential. A colloidal particle exerts so-called Brownian motion due to thermal co...
متن کاملFluorescently Labelled Latex Particles to Monitor Film Formation
Latex film formation has been of commercial importance for many years, particularly in the paint industry. Since the 1960s latex paints have largely replaced oil-based paints, which have been known to contain hazardous amounts of lead. The film formation process begins with latex particles in an aqueous dispersion. As the water evaporates, the particles come into close contact and start deformi...
متن کاملAn overview of polymer latex film formation and properties.
The literature on polymer latex film formation has grown enormously in recent times--driven by the need to find alternatives for solvent-based systems with their adverse environmental impacts. Although greater insight has been shown by the use of modern instrumental techniques such as small angle neutron scattering, direct non-radiative energy transfer and atomic force microscopy, the actual me...
متن کاملSelf-stratification during film formation from latex blends driven by differences in collective diffusivity.
Coatings with vertical gradients in composition were produced by drying an aqueous polymer dispersion containing both charged and neutral particles. After drying, the neutral component was enriched at the film/air interface. The spontaneous vertical segregation between the two types of particles goes back to a difference in collective diffusivity. As the film dries, a layer enriched in polymer ...
متن کاملCorrelating particle deformation with water concentration profiles during latex film formation: reasons that softer latex films take longer to dry.
During the past two decades, an improved understanding of the operative particle deformation mechanisms during latex film formation has been gained. For a particular colloidal dispersion, the Routh-Russel deformation maps predict the dominant mechanism for particle deformation under a particular set of conditions (evaporation rate, temperature, and initial film thickness). Although qualitative ...
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ژورنال
عنوان ژورنال: Journal of Coatings Technology
سال: 2001
ISSN: 0361-8773
DOI: 10.1007/bf02698431