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Small angle light scattering investigation of polymerisation induced phase separation mechanisms

Abstract : Small angle light scattering (SALS) is one of the tools that can be used to study a phase separation. It is shown that SALS can be used to discriminate between nucleation and growth (NG) and spinodal decomposition (SD) even when both give a pattern composed of a ring. To support this, a complete calculation of the light scattering of an NG process is performed, taken into account the correct Mie form factor and adding polydispersity, multiple scattering and non-independent scattering. All these factors are shown to play a role that gives patterns that cannot be confused with the one originating from an SD.
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Submitted on : Wednesday, December 12, 2012 - 2:36:34 PM
Last modification on : Thursday, September 24, 2020 - 5:22:54 PM

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Jérôme Maugey, T. van Nulan, Patrick Navard. Small angle light scattering investigation of polymerisation induced phase separation mechanisms. Polymer, Elsevier, 2001, 42 (9), pp.Pages 4353-4366. ⟨10.1016/S0032-3861(00)00743-6⟩. ⟨hal-00536531⟩

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