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Small Angle Scattering Experiments of Neutrons for the Polymer Blend PVME/d-PS
Abstract This paper is a study by neutron small angle scattering of the polymer blend* polyvenylmethy1ether and deuterated polystyrene. The blend is a compatible system with a miscibility gap at high temperature, and a lower critical solution temperature (LCST). The aim of the Investigations was primarily a study of the time dependent structure factor S(Q,t) for neutron small angle scattering in the unstable region. This was achieved by means of a double crystal diffractometer (DKD). Its resolution of the scattering vector Q is of the order of 5 • 10-5Å-1 The dynamics of precipitates — the early states and the regime of coarsening — are easily accessible because the growth rates are small and can be easily resolved. Furthermore, the early stages can be treated by theory in the meanfield approximation1.
Small Angle Scattering Experiments of Neutrons for the Polymer Blend PVME/d-PS
Abstract This paper is a study by neutron small angle scattering of the polymer blend* polyvenylmethy1ether and deuterated polystyrene. The blend is a compatible system with a miscibility gap at high temperature, and a lower critical solution temperature (LCST). The aim of the Investigations was primarily a study of the time dependent structure factor S(Q,t) for neutron small angle scattering in the unstable region. This was achieved by means of a double crystal diffractometer (DKD). Its resolution of the scattering vector Q is of the order of 5 • 10-5Å-1 The dynamics of precipitates — the early states and the regime of coarsening — are easily accessible because the growth rates are small and can be easily resolved. Furthermore, the early stages can be treated by theory in the meanfield approximation1.
Small Angle Scattering Experiments of Neutrons for the Polymer Blend PVME/d-PS
Schwahn, D. (author) / Springer, T. (author) / Mortensen, K. (author) / Yee-Madeira, H. (author)
1988-01-01
11 pages
Article/Chapter (Book)
Electronic Resource
English
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