Entropy-driven segregation of nanoparticles to cracks in multilayered composite polymer structures

By Suresh Gupta, Qinglin Zhang, T. Emrick, A. Balazs, T. P. Russell. 2006

320 citations recorded by the source corpus.

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Dynamics of polymer segments, polymer chains, and nanoparticles in polymer nanocomposite melts: A review (2020, background): “However, if the polymer is replaced with a PNC, the NPs can be ngineered to diffuse into cracks to provide self-healing properties nd achieve improved durability [48].”
Self-Healing Materials Systems: Overview of Major Approaches and Recent Developed Technologies (2012, background): “In this context, autonomic healing materials respond without external intervention to environmental stimuli and have great potential for advanced engineering systems [6, 11, 12, 23, 29, 46, 53, 85, 91, 115–126].”
Polymer Nanocomposites: The “Nano” Effect on Mechanical Properties (2007, background): “has experimentally demonstrated that the excluded volume and configurational entropy of the polymer chains can drive nanoscale fillers to defects in surface coatings, such as cracks.(31,34) Similar to these effects, Crosby et al.”
Self-healing polymeric materials: A review of recent developments (2008, background): “[100], the experimental results [101] suggested that the nanoparticles are more effective than the larger particles for healing because they diffuse faster than the larger ones.”