A Perspective on the Dynamics Properties in Polymer Nanocomposites
PERSPECTIVE|Updated:2023-08-24
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A Perspective on the Dynamics Properties in Polymer Nanocomposites
Chinese Journal of Polymer ScienceVol. 41, Issue 9, Pages: 1355-1360(2023)
Affiliations:
State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130021, China
Zhang, X. Z.; Lu, Z. Y.; Qian, H. J. A perspective on the dynamics properties in polymer nanocomposites. Chinese J. Polym. Sci. 2023, 41, 1355–1360
Xu-Ze Zhang, Zhong-Yuan Lu, Hu-Jun Qian. A Perspective on the Dynamics Properties in Polymer Nanocomposites[J]. Chinese Journal of Polymer Science, 2023, 41(9): 1355-1360.
Zhang, X. Z.; Lu, Z. Y.; Qian, H. J. A perspective on the dynamics properties in polymer nanocomposites. Chinese J. Polym. Sci. 2023, 41, 1355–1360DOI: 10.1007/s10118-023-2956-9.
Xu-Ze Zhang, Zhong-Yuan Lu, Hu-Jun Qian. A Perspective on the Dynamics Properties in Polymer Nanocomposites[J]. Chinese Journal of Polymer Science, 2023, 41(9): 1355-1360.DOI: 10.1007/s10118-023-2956-9.
A Perspective on the Dynamics Properties in Polymer Nanocomposites
Recent researches about dynamics properties in the field of polymer nanocomposites are reviewed and a theoretical model successfully explains the non-Einstein like viscosity reduction phenomena found in all-polymer nanocomposites
which is expected to be applicable for various polymer nanocomposite systems with different interactions between polymers and nanoparticles.
Abstract
Polymer nanocomposites (PNCs) usually have superior properties than pristine polymers. Understanding the dynamics properties in PNC system is crucial to reveal the mechanism of property change unpon the addition of nanoparticles (NPs)
and therefore for a better design of the material properties. In this short perspective
we summarize recent advances mainly from theoretical and simulation studies of dynamics properties in polymer nanocomposite system. One is the "vehicle model" which reveals that diffusion dynamics of sticky NP is coupled to surrounding chain segments. Similarly
recent simulations demonstrate that such coupling also exists in all-polymer nanocomposite wich is composed of linear polymer chains and single-chain nanoparticles (SCNPs). These SCNPs have almost the same chemical composition as the matrix chain. Therefore
it is assumed that such all-polymer nanocomposite can act as a model system where there are no enthalpic interactions between NPs and polymer chains. Although the above dynamic coupling was found in the above two different systems containing inorganic NPs or relatively small organic SCNPs
it was found that the length scale of such dynamic coupling (the thickness of the matrix/NP interface) is comparable to the NP size
which is surprisingly consistent in the above two different systems. In addition
a chain-length dependence of the NP influence on the chain dynamics reported from a recent joint simulaiton and experimental study of all-polymer nanocomposite system
and a theoretical model developed for such phenomena are also reviewed. At the end
we give an outlook of this field
especially for possible chain-length dependence of complex dynamics in sticky-NP systems.
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Related Institution
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