Thermal Stabilization Activities of Metal Oxide γ-Irradiated Styrene–Isoprene–Styrene Nanocomposites DOI Open Access
Traian Zaharescu, Ademar B. Lugão, Violeta Mangalagiu

и другие.

Journal of Composites Science, Год журнала: 2025, Номер 9(4), С. 192 - 192

Опубликована: Апрель 17, 2025

This study provides insights into the stabilization effects of certain oxides (CeO2, Cr2O3, Cd2O3, In2O3, MnO2, MgO, Nd2O3, and Pr2O3) in styrene–isoprene–styrene triblock copolymers with respect to neat materials. was performed via chemiluminescence (CL), which allowed for determination main parameters characterizing interphase coexistence: oxidation induction times, rates, onset temperatures. The improvement thermal performances pristine γ-ray-processed samples at a moderate dose highlighted differently due electronic interactions on particle surface. While non-isothermal CL measurements pointed weaker evolution studied composites higher temperature range over 160 °C, isothermal determinations revealed delayed start oxidation, slower greater activation energies nanocomposite aging patterns. different individual behaviors investigated formulations were ascribed dissimilar between particles surrounding matrix, where initiators formed by molecular fragmentation polymer macromolecules. kinetic features illustrate influence peculiarities interactions. resistance shown irradiated compared non-processed compositions demonstrates efficiency fillers studied.

Язык: Английский

Thermal Stabilization Activities of Metal Oxide γ-Irradiated Styrene–Isoprene–Styrene Nanocomposites DOI Open Access
Traian Zaharescu, Ademar B. Lugão, Violeta Mangalagiu

и другие.

Journal of Composites Science, Год журнала: 2025, Номер 9(4), С. 192 - 192

Опубликована: Апрель 17, 2025

This study provides insights into the stabilization effects of certain oxides (CeO2, Cr2O3, Cd2O3, In2O3, MnO2, MgO, Nd2O3, and Pr2O3) in styrene–isoprene–styrene triblock copolymers with respect to neat materials. was performed via chemiluminescence (CL), which allowed for determination main parameters characterizing interphase coexistence: oxidation induction times, rates, onset temperatures. The improvement thermal performances pristine γ-ray-processed samples at a moderate dose highlighted differently due electronic interactions on particle surface. While non-isothermal CL measurements pointed weaker evolution studied composites higher temperature range over 160 °C, isothermal determinations revealed delayed start oxidation, slower greater activation energies nanocomposite aging patterns. different individual behaviors investigated formulations were ascribed dissimilar between particles surrounding matrix, where initiators formed by molecular fragmentation polymer macromolecules. kinetic features illustrate influence peculiarities interactions. resistance shown irradiated compared non-processed compositions demonstrates efficiency fillers studied.

Язык: Английский

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