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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 12/2017

30.09.2017 | Original Contribution

Simulation study on the conformational properties of an adsorbed polymer on a nanoparticle

verfasst von: Chao-Yang Li, Meng-Bo Luo, Hong Li, Wei-Ping Cao

Erschienen in: Colloid and Polymer Science | Ausgabe 12/2017

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Abstract

The conformational properties of a polymer chain adsorbed on an attractive spherical nanoparticle are studied by using Monte Carlo simulations. The adsorption degree of polymer is described by the number of adsorbed monomers n a and the length of adsorbed block l a . The configuration of the adsorbed polymer on a nanoparticle is described by trains, loops, and tails. We find three different structures for the adsorbed polymer: a structure with trains, loops, and tails at small polymer-nanoparticle interaction strength ε pn , a structure with a train and a tail at large ε pn , and a structure with trains and loops at large n a . In addition, we find that the mean number of adsorbed monomers <n a  > is scaled with l a as <n a  > ~ l a α at ε pn  ≥ 1, and the exponent α increases with ε pn . Our results indicate that both the adsorption degree and the configuration of the adsorbed polymer are dependent on the polymer-nanoparticle interaction strength, the number of adsorbed monomers, and the length of adsorbed block.
Nächster Artikel Synthesis, characterization, and physicochemical properties of a series of quaternary gemini surfactants with different spacer lengths

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Metadaten
Titel
Simulation study on the conformational properties of an adsorbed polymer on a nanoparticle
verfasst von
Chao-Yang Li
Meng-Bo Luo
Hong Li
Wei-Ping Cao
Publikationsdatum
30.09.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 12/2017
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-017-4201-y

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