Издательство СО РАН

Издательство СО РАН

Адрес Издательства СО РАН: Россия, 630090, а/я 187
Новосибирск, Морской пр., 2




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Поиск по журналу

Химия в интересах устойчивого развития

2005 год, номер 2

Mechanochemical Surface Modification of Particles by Polymer Grafting

Wei Wu1, Shouci Lu2 and Jianbo Wang3
1Research Center of the Ministry of Education for High Gravity of Engineering & Technology,
Beijing University of Chemical Technology (China), wwu@uno.edu
2School of Civil and Environmental Engineering, Beijing University of Science and Technology (China)
3Department of chemical engineering, Anhui University of Science and Technology (China)
Страницы: 149-154


Mechanical energy released during stirred grinding promotes the polymerization reactions of styrene monomers on calcium carbonate and those of polystyrene on titanium dioxide surfaces and makes the surface modification by polymer grafting more efficient and with less initiating agent. Polymer grafting modification activated by mechanochemical effects improves the compatibility of calcium carbonate filler with the polymer matrix and the fluidity of alkyd varnish with modified titanium dioxide as the paint material. The process of polymer grafting modification activated by mechanochemical action and the changes of application properties of materials filled with modified powders are described, the interactions between the modifying agents and the surface of the powders is discussed.