Immiscibility-miscibility transition in lithium-sulphonated polystyrene/polycarbonate blends as seen by small-angle neutron scattering

We have measured small-angle neutron scattering (SANS) from bulk blends of lithium-sulphonated polystyrene (Li-SPS) with polycarbonate (PC) (Li-SPS/PC = 100/0%, 75/25%, 50/50% and 25/75%). The aim of these experiments was to establish the relationship between blend miscibility and short-range order....

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Bibliographic Details
Published in:Phase transitions 2007-06, Vol.80 (6-7), p.501-509
Main Authors: Wojciech, Zajac, Gabrys, Barbara J
Format: Article
Language:English
Subjects:
Miscibility
Polymer blends
Short-range order
Small-angle neutron scattering
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Summary:We have measured small-angle neutron scattering (SANS) from bulk blends of lithium-sulphonated polystyrene (Li-SPS) with polycarbonate (PC) (Li-SPS/PC = 100/0%, 75/25%, 50/50% and 25/75%). The aim of these experiments was to establish the relationship between blend miscibility and short-range order. Local density fluctuations giving rise to the SANS scattering are of complex nature and are associated with conventional phase separation as well as with the π-complexation relations.
ISSN:0141-1594
1029-0338
DOI:10.1080/01411590701339377