Effect of nano and ultradispersed silica particles (SiO2) on the impact strength of epoxy polymers

Pykhtin A.A., Simonov-Emelyanov I.D.
UDC
678.021.31
DOI
10.18577/2307-6046-2019-0-6-3-12
Article PDF (Russian) (1.05 MB)
How to cite
Pykhtin A.A., Simonov-Emelyanov I.D. Effect of nano and ultradispersed silica particles (SiO2) on the impact strength of epoxy polymers // Proceedings of VIAM. 2019. No. 6. DOI: 10.18577/2307-6046-2019-0-6-3-12. URL: https://test.viam.ru/en/journal/2019/6/1
Keywords
epoxy oligomers (EO), nanoparticles, nanocomposite, ultradispersed particles, white soot, toughness, impact strength, the disperse-filled polymeric composite material.
Abstract

Рresents the results of research work devoted to the study of the dependence of the structure and impact strength (ais) of dispersed-filled epoxy polymers on nanoscale particles (and their agglomerates) of WS-120 grade white soot and monolithic ultradispersed particles of a single-sized dust-like quartz (diameter ~150 nm) and chemical nature (SiO2).

For the first time it has been demonstrated that to increase the impact strength of epoxy dispersed systems, it is most effective to use white soot, which, when forming agglomerates with a diameter of ~150 nm, increases ais ~2 times, while introducing ultrafine particles of dusty quartz with the same diameter (~150 nm) – no more than 20%.

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