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SiO2‑g‑Polyisoprene Particle Brush Reinforced Advanced Elastomer Nanocomposites Prepared via ARGET ATRP.

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Název: SiO2‑g‑Polyisoprene Particle Brush Reinforced Advanced Elastomer Nanocomposites Prepared via ARGET ATRP.
Autoři: Liu, Yingxue, Wang, Zongyu, Zhao, Yuqi, Hou, Guanyi, Jiang, Ruifeng, Bockstaller, Michael R., Qin, Xuan, Zhang, Liqun, Matyjaszewski, Krzysztof
Zdroj: Advanced Functional Materials; 6/26/2024, Vol. 34 Issue 26, p1-10, 10p
Témata: NANOCOMPOSITE materials, AUTOMOBILE tires, PERFORMANCE of tires, ROLLING friction, NANOPARTICLES, THERMOPLASTIC elastomers, ELASTOMERS
Abstrakt: Nanoparticle reinforcement is a general approach toward the strengthening of elastomer nanocomposite in large‐scale applications. Extensive studies and efforts have been contributed to demonstrating the property reinforcement of polymer nanocomposites in relation to matrix‐filler and filler‐filler interaction. Here, a facile synthetic method is creatively reported to synthesize SiO2,15/120‐g‐polyisoprene (SiO2‐g‐PI) particle brushes using atom transfer radical polymerization (ATRP). The dispersion and microstructures of the nanoparticles in the nanocomposites are investigated by morphological characterizations, whereas the reinforcing mechanism is studied through mechanical measurements as well as computational simulation. Remarkably, compared with the cured bulk elastomers and matrix(M)/SiO2 blends, M/particle brushes (PB) exhibit significant improvement in mechanical properties, including tensile strength, elongation at break, modules, and rolling resistance. This elastomer nanocomposites afford a novel prospect for the practical application of next‐generation automobile tires with enhanced performance. [ABSTRACT FROM AUTHOR]
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Databáze: Complementary Index
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Abstrakt:Nanoparticle reinforcement is a general approach toward the strengthening of elastomer nanocomposite in large‐scale applications. Extensive studies and efforts have been contributed to demonstrating the property reinforcement of polymer nanocomposites in relation to matrix‐filler and filler‐filler interaction. Here, a facile synthetic method is creatively reported to synthesize SiO2,15/120‐g‐polyisoprene (SiO2‐g‐PI) particle brushes using atom transfer radical polymerization (ATRP). The dispersion and microstructures of the nanoparticles in the nanocomposites are investigated by morphological characterizations, whereas the reinforcing mechanism is studied through mechanical measurements as well as computational simulation. Remarkably, compared with the cured bulk elastomers and matrix(M)/SiO2 blends, M/particle brushes (PB) exhibit significant improvement in mechanical properties, including tensile strength, elongation at break, modules, and rolling resistance. This elastomer nanocomposites afford a novel prospect for the practical application of next‐generation automobile tires with enhanced performance. [ABSTRACT FROM AUTHOR]
ISSN:1616301X
DOI:10.1002/adfm.202315741