Which consequence results when van der Waals forces weaken around molecules coating nanoparticles in polymer composites?

💡 Explanation

Reduced van der Waals attractions cause decreased interaction between polymer and nanoparticles, leading to ineffective load transfer under stress. Therefore, interfacial stress transfer efficiency diminishes because cohesive mechanisms are impaired rather than improving dispersion, thermal conductivity, or entanglement, which require stronger interaction.

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