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Miscibility studies on polystyrene/poly(ethylene oxide) and polybutadiene-graft-polystyrene/poly(ethylene oxide) blends by dilute solution viscometry

โœ Scribed by Elvan Yilmaz; Osman Yilmaz; Hamit Caner

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
547 KB
Volume
32
Category
Article
ISSN
0014-3057

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โœฆ Synopsis

Miscibility of polyethylene oxide (PEO) with polystyrene (PS) or polybutadiene-grqfi-polystyrene (PBS) was investigated by dilute solution viscometry. Miscibility parameters derived from the classical Huggins equation were used to estimate the miscibility of these polymer pairs. The results, which indicated immiscibility between PS and PEO, were compared with findings in bulk reported in the hterature. PBS was also found to be immiscible with PEO. The effect of temperature on miscibility was studied by the same method for a blend of PBS with 83% PEO. All miscibility parameters were observed to decrease with increasing temperature.

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