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 SM ISO690:2012ZHITARU, Raisa, PALISTRANT, Natalia, ROBU, Sergiu, RUBANIC, Vasilii, MITICOV, Dmitrii, BARBA, Nicanor, ENAKI, Nicolae. Features of nanocomposites of organic copolymers doped with superfine metal particles under ultrasonic treatment. In: Moldavian Journal of the Physical Sciences, 2011, nr. 2(10), pp. 155-163. ISSN 1810-648X. |
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| Moldavian Journal of the Physical Sciences | ||||||
| Numărul 2(10) / 2011 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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| Pag. 155-163 | ||||||
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In this work, we represent the study of 4-aminostyrene copolymers with butyl methacrylate
and N-carbazolylethyl methacrylate copolymers with octyl methacrylate doped with superfine
nano- and microdimensional metal particles. In order to improve the degree of dispersion,
polymer solutions containing metal particles were exposed to ultrasonic (US) sonication
for 0.5 to 10 min. It was shown that the presence of 10-15% of metal particles and US sonication
lead to an increase in the microhardness of polymer materials by 3-4 times. Using optical and
atomic force microscopies, the structure of thin films was analyzed. The increase in metal particle
concentration in the polymer leads to an increase in the dimensions of metal inclusions due to the
coagulation of nano- and microparticles into conglomerates. |
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