Abstract
Light scattering is a popular in situ technique commonly used to study the morphology evolution in real time in heterogeneous systems. The immediate response and short sample preparation times are the distinct advantages of light scattering compared to electron microscopy to study the morphology evolution in polymer blends. The small-angle light scattering (SALS) technique is extensively used to study the reaction-induced phase separation in epoxy blends. Studies involving various epoxy/block copolymer and epoxy/thermoplastic blends were included in this chapter. During the epoxy curing process, the morphology change with respect to curing time and blend composition was followed via the change in scattering patterns using time-resolved light scattering technique (TRLS). The formation of secondary structures within the phase-separated primary domains and their mechanism of phase separation were also studied using light scattering technique. More importantly, in reactive blending, the light scattering technique will provide deeper understanding of the effect of polymer functionality and processing parameters on the phase-separated morphology. This chapter would give an overview of morphology evolution studied in various reactive epoxy blends using light scattering technique.
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Palanisamy, A., Hameed, N. (2017). Light Scattering of Epoxy/Thermoplastic Blends. In: Parameswaranpillai, J., Hameed, N., Pionteck, J., Woo, E. (eds) Handbook of Epoxy Blends. Springer, Cham. https://doi.org/10.1007/978-3-319-40043-3_19
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DOI: https://doi.org/10.1007/978-3-319-40043-3_19
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