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Characterization of Latex Particle Arrays by Gas Adsorption

Characterization of Latex Particle Arrays by Gas Adsorption

M C Carbajo, E Climent, E Enciso, M J Torralvo

J Colloid Interface Sci. 2005 Apr 15;284(2):639-45.

PMID: 15780304

Abstract:

Assemblies of colloidal particles are frequently used in novel applications, and this requires nondestructive methods allowing overall characterization of the sample and collection of information about the quality of the arrays. From suspensions of polystyrene, poly[styrene-co-(2-hydroxyethylmethacrylate)], poly[styrene-co-acrylic acid], and poly[styrene-co-methacrylic acid], assemblies of spherical particles were obtained by elimination of the solvent in different ways-evaporation, gravity deposition, and filtration. These latex particle packings were characterized by scanning and transmission electron microscopy and by gas adsorption to determine the efficiency of packing. The surface area, total pore volume, and pore size distributions obtained from the adsorption and desorption data were related to characteristic parameters calculated for cubic close-packed spherical particles.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS73338	Poly(styrene-co-methacrylic acid			Price

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