ISIS Neutron and Muon Source Data Journal

Corona Dynamics in Polymer Stabilised Nanocomposites

Abstract: The Payne effect, whereby filled polymers experience a loss of modulus under applied strain is responsible for much of the energy loss of vehicle tyres in everyday use. It has been postulated that this is due to a layer of glassy polymer on the particle surface, arising from the well-known anomalous glass transition, which span the network. Others object to this theory and instead suggest that chain ends in the vicinity of nanoparticles are responsible for this effect. Here we have devised an experiment to highlight the dynamics of polymer chains in the vicinity of nanoparticle surfaces using isotopic labelling and QENS. Samples in which an adsorbed layer of hydrogenous polymer forms the corona of the nanoparticles (of thickness determined by the molecular weight) will be studied over a range of temperature so that the influence of nanoparticle surface on dynamics can be isolated.

Principal Investigator: Dr Richard Thompson
Experimenter: Dr Stephen Boothroyd
Experimenter: Dr Victoria Garcia Sakai
Experimenter: Professor Nigel Clarke
Experimenter: Mr James Hart

DOI: 10.5286/ISIS.E.RB1510168

ISIS Experiment Number: RB1510168

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Dr Richard Thompson et al; (2015): Corona Dynamics in Polymer Stabilised Nanocomposites, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1510168

Data is released under the CC-BY-4.0 license.