Preparation of Polymer-Mineral Nanocomposites Based on Vinyl Monomers and Dispersed Inorganic Oxides

Volodymyr Dutka; Yaroslav Kovalskyi; Olena Aksimentyeva; Nataliya Oshchapovska

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Preparation of Polymer-Mineral Nanocomposites Based on Vinyl Monomers and Dispersed Inorganic Oxides

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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.

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《化学工程与科学期刊（英文）》 |2021年第1期|P.18-28|共11页
作者
Volodymyr Dutka; Yaroslav Kovalskyi; Olena Aksimentyeva; Nataliya Oshchapovska;
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作者单位

Department of Physical and Colloid Chemistry Ivan Franko National University of Lviv Lviv Ukraine;

Department of Physical and Colloid Chemistry Ivan Franko National University of Lviv Lviv Ukraine;

Department of Physical and Colloid Chemistry Ivan Franko National University of Lviv Lviv Ukraine;

Department of Physical and Colloid Chemistry Ivan Franko National University of Lviv Lviv Ukraine;

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正文语种 chi
中图分类有机化学;
关键词
Polymer-Mineral Composites; Organic Peroxides; Radical Polymerization; Peroxide Thermal Degradation; Metal Oxides; Adsorption; Effect of Surface;

机译：聚合物 - 矿物复合材料;有机过氧化物;自由基聚合;过氧化物热降解;金属氧化物;吸附;表面的影响;

Preparation of Polymer-Mineral Nanocomposites Based on Vinyl Monomers and Dispersed Inorganic Oxides

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