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полный	информационный	краткий

Поисковый запрос: (<.>K=polyurethane<.>)

Общее количество найденных документов : 1

    Influence of the filler particles’ surface morphology on the polyurethane matrix’s structure formation in the composite / T. A. Shalygina, M. S. Rudenko, I. V. Nemtsev [et al.] // Polymers. - 2021. - Vol. 13, Is. 22. - Ст. 3864, DOI 10.3390/polym13223864. - Cited References: 32. - This work was carried out by the team of the scientific laboratory “Intelligent Materials and Structures” within the state assignment of the Ministry of Science and Higher Education of the Russian Federation for the implementation of the project “Development of multifunctional smart materials and structures based on modified polymer composite materials capable to function in extreme conditions” (Project No. FEFE-2020-0015) . - ISSN 2073-4360
   Перевод заглавия: Влияние морфологии поверхности частиц наполнителя на формирование структуры полиуретановой матрицы в композите
Кл.слова (ненормированные):
polyurethane -- surface morphology -- nanoparticles -- nanowires -- core-shell -- molecular mobility -- molecular heterogeneity -- interfacial layers -- boundary layer -- transition layer
Аннотация: This article presents the surface morphology effect of silicon carbide (SiC) particles on the polyurethane binder’s structure formation in a dispersed-filled composite. The difference in the morphology and surface relief of filler particles was ensured by the implementation of plasma chemical modification. As a result of this modification, the filler consisted of core-shell particles characterized by a SiC core and a carbon shell (SiC@C), as well as a carbon shell decorated with silicon nanoparticles (SiC@C/SiNP) or nanos (SiC@C/SiNW). The study of the relaxation properties of polyurethane composites has shown that the strongest limiting effect on the molecular mobility of boundary layer’s chain segments is exerted by a highly developed surface with a complex relief of SiC@C/SiNP and SiC@C/SiNW particles. An empirical method was proposed to find the polymer fractions spent on the formation of the boundary, transition and bulk layers of the polymer matrix in the composite. It was shown that the morphology of the filler particles’ surface does not affect the dependence of the boundary layer thickness on the filler’s volume fraction. However, with an increase in the degree of surface development, the boundary layer thickness decreases.

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Держатели документа:
Smart Materials and Structures Lab., Department of Aircraft, Reshetnev Siberian State University of Science and Technology, 31 KrasnoyarskyRabochy Av., Krasnoyarsk 660037, Russia
L.V. Kirensky Institute of Physics SB RAS, Institute of Chemistry and Chemical Technology, Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, 50 Akademgorodok, Krasnoyarsk 660036, Russia
Lomonosov Institute of Fine Chemical Technologies, MIREA—Russian Technological University, Vernadskogo Avenue 86, Moscow 119571, Russia

Доп.точки доступа:
Shalygina, T. A.; Rudenko, M. S.; Nemtsev, I. V.; Немцев, Иван Васильевич; Parfenov, V. A.; Парфенов В. А.; Voronina, S. Y.; Simonov-Emelyanov, I. D.; Borisova, P. E.
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