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Miscibility in blends of PVME with styrene-based block copolymers

✍ Scribed by Hwan-Koo Lee; Chang-Kwon Kang; Wang-Cheol Zin

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
576 KB
Volume
38
Category
Article
ISSN
0032-3861

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✦ Synopsis

The phase behaviours in binary blends of styrene-isoprene diblock copolymer and poly(vinyl methyl ether) (PVME) were investigated by using small-angle X-ray and light scattering techniques. It was observed that the added homopolymer molecules were dissolved into the microdomains of the styrene blocks of the copolymer. The blends exhibited a lower critical solution temperature as seen in the blends of PVME with polystyrene. The experimental results were compared with that of the modified Meier's theory in a semiquantitative way.

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