MICROSCOPIC INSIGHT ON COMPONENT DYNAMICS IN POLYMERIC MIXTURES OF INDUSTRIAL INTEREST
Blends of SBR and PS are of interest for the tire industry. Here we want to use them also as model systems to investigate basic properties of dynamically asymmetric mixtures. In particular, we want to exploit neutron scattering on labelled samples to follow the mean squared displacements of each of the blend components, and see their evolution across the broad range of temperatures over which the calorimetric glass transition in the blend spans. This information will allow us to determine the 'microscopic' individual glass-transition temperatures of the components in the blend. In addition, this could help us to look for a microscopic interpretation for the relevant region of the dielectric response Rc, which seems to be universal, practically independent of temperature and composition, always of about 1nm. THIS PROPOSAL WAS ACCEPTED IN THE PREVIOUS ROUND BUT IS ON HOLD DUE TO 'NATIONAL BALANCE' (SPAIN). WE RESUBMIT IT WITH THE MICHELIN COLABORATORS (NOT EXPLICITELY INCLUDED IN THE PREVIOUS PROPOSALS) AS CO-PROPOSERS.
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Arantxa Arbe; COLMENERO Juan; NATALI Francesca and SHAFQAT Numera. (2021). MICROSCOPIC INSIGHT ON COMPONENT DYNAMICS IN POLYMERIC MIXTURES OF INDUSTRIAL INTEREST. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-04-286
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