TESTING FULLERENE SOOT AS ANTI-OXIDATIVE AGENT FOR POLYDIMETHYLSILOXANE RUBBER

Rahila Budaqova Nazim qızı; Eldar Zeynalov Bahadur oglu; Matanat Magerramova Yaqub qızı; Asgar Huseynov Beyuk-Aga oglu

doi:10.5281/zenodo.10362757

TESTING FULLERENE SOOT AS ANTI-OXIDATIVE AGENT FOR POLYDIMETHYLSILOXANE RUBBER

12.12.2023 International Scientific Journal "Science and Innovation". Series A. Volume 2 Issue 12

Rahila Budaqova Nazim qızı, Eldar Zeynalov Bahadur oglu, Matanat Magerramova Yaqub qızı, Asgar Huseynov Beyuk-Aga oglu

Abstract. Fullerenes have intrinsic high electron affinity and they are therefore capable of acting as radical traps in free radical chain reactions, including polymerization and the thermo-oxidative degradation of polymers. Reactivity of fullerene particles in polymer mediums is governed by diffusion and promotes active termination of oxidation chains on macro-R• radicals. Radical accepting capacity of fullerenes is comparable with that for well-known commercial primary stabilizers. Therefore, cheap fullerene matters even unpurified samples could be used for stabilization of polymer materials. To check this postulate, the anti-oxidative activity of fullerene soot has been studied as agents preventing thermo-oxidative disruption of siloxane rubbers. Polydimethylsiloxane (PDMS) – C60 (soot) composites was prepared and tested on thermo-oxidative stability. The fullerene soot additives increase all temperature points of the degradation and can serve as effective anti-oxidative agents for the rubbers

Keywords: fullerene soot, thermooxidative degradation of polymer materials, radical scavenging reactivity of fullerenes, stabilizers of polymers, siloxane rubber

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