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Blends of organosilicon polymers with polystyrene and poly(2,6-dimethyl-1,4-phenylene oxide)

✍ Scribed by Moisés M. Werlang; Marco A. De Araújo; Suzana P. Nunes; I. Valéria P. Yoshida

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
658 KB
Volume
35
Category
Article
ISSN
0887-6266

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✦ Synopsis

Blends of organosilicon polymers with polystyrene, PS, and poly(2,6-dimethyl-1,4-phenylene oxide), PPE, were investigated by transmission electron microscopy and differencial scanning calorimetry. Blends with poly(tetramethylsilphenylenesiloxane), PTMPS, showed a morphology characterized by globular domains dispersed in the organic matrix. An apparent homogeneous system was observed when poly(dimethylsilphenylene), PDSP, was mixed with PPE. A crystalline phase was found in samples with a higher PDSP content. The morphology of PS/PDSP blends with low PDSP content showed a dendritic phase dispersed in the PS-rich matrix.

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