Chain flexibility for tuning effective interactions in blends of polymers and polymer-grafted nanoparticles

B Palli and V Padmanabhan, SOFT MATTER, 10, 6777-6782 (2014).

DOI: 10.1039/c4sm00991f

We present molecular dynamics simulations of polymer-grafted nanoparticles in a homopolymer matrix to demonstrate the effect of chain flexibility on the potential of mean force (PMF) between various species in the nanocomposite. For a relatively high grafting density of Sigma(g) = 0.76 chains/sigma(2)(p) (where sigma(p) is the polymer monomer diameter), when the brush chain length is significantly smaller than (

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