Matches in SemOpenAlex for { <https://semopenalex.org/work/W1997146317> ?p ?o ?g. }
- W1997146317 abstract "The nature of the interactions of polymers at the surface of nanoparticles is crucial to understanding the dynamics and their relation to mechanical properties. The effect of binding (both chemical attachment and physical adsorption) on the local and global dynamics of chain molecules remains a controversial subject. Using neutron scattering and dynamic mechanical spectroscopies, we measured the slow conformational and terminal relaxations, as well as the fast local dynamics, of 1,4-polybutadiene (PBD) containing carbon black (CB) particles. We observed a substantial decrease in the flexibility of bound segments at temperatures through the glass transition temperature, Tg. The longer range motions of the PBD become more suppressed and cooperative as temperature decreases, while the relaxation time of the fast local dynamics is little affected by the CB particles. The mobile fraction of PBD is less sensitive to temperature when bound. Mechanical spectroscopy indicates that both the local segmental dynamics and the global chain modes are slowed by the filler. These results are consistent with transient structural arrest of the slow dynamics of atoms adjacent to the particles." @default.
- W1997146317 created "2016-06-24" @default.
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- W1997146317 date "2013-10-03" @default.
- W1997146317 modified "2023-09-24" @default.
- W1997146317 title "Effect of binding to carbon black on the dynamics of 1,4-polybutadiene" @default.
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- W1997146317 doi "https://doi.org/10.1063/1.4822476" @default.
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