Abstract
The polymer-mineral composites were synthesized using vinyl monomers styrene, methyl acrylate, and butyl acrylate with nano dispersed oxides Fe2O3, Cr2O3, V2O5 and SiO2 in the presence of benzoyl peroxide and other peroxide initiators. Benzoyl peroxide adsorption on Fe2O3, Cr2O3, and V2O5 surfaces was studied. The adsorption parameters were found: adsorption-desorption equilibrium constants, maximum adsorption, and the area occupied by the molecule benzoyl peroxide on the surface of the adsorbent. The molecular weights of the polymers in the composites and the degree of grafting of the macromolecules of the polymer to the surface of oxides were studied. It has been found that the surface of the dispersed oxides influences the rate of thermal decomposition of the peroxide initiators and the polymerization parameters of the vinyl monomers.
Highlights
The adsorption parameters were found: adsorption-desorption equilibrium constants, maximum adsorption, and the area occupied by the molecule benzoyl peroxide on the surface of the adsorbent
The data obtained are given in the coordinates 1/A on 1/C, which allowed us to determine the maximum adsorption
Features of the polymerization process are influenced by many factors, such as the nature of the filler surface, the type of peroxide initiator, the nature of the monomer, and the conditions of the process
Summary
The filler performs many functions in the composite, providing the material with specific properties [1] [2]. The hybrid organic-mineral composites are produced with the incorporation of inorganic fillers in the structure of polymer [3] [4] [5]. The polymer matrix incorporated with inorganic particles forms the micro/nanocomposites that can be used in different fields of industry [1] [4]. These composites may be used as optical materials for modern optics and optoelectronic devices [5].
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