Author:
Shafqat Numera,Alegría Angel,Malicki Nicolas,Dronet Séverin,Mangin-Thro Lucile,Frick Bernhard,Colmenero Juan,Arbe Arantxa
Abstract
We investigate by neutron scattering and calorimetry a mixture of styrene-butadiene rubber (SBR) and a commercial resin. The neat materials present a large dynamic contrast, having SBR a much lower glass-transition temperature than the resin. The focus is to exploit neutron scattering selectivity in an isotopically labelled sample where deuterated SBR is the majority component. This direct insight into the resin atomic motions within the mixture allows determining the ‘microscopic’ glass transition of the resin in the presence of the a priori much more mobile SBR. This transition takes place in the vicinity of the initial calorimetric glass transition temperature, mainly dictated by the majority component.
Cited by
1 articles.
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