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Environment-induced self-assembly in phase separated block copolymer systems: A SANS investigation

✍ Scribed by Naba K. Dutta; Sandra Thompson; Namita Roy Choudhury; Robert Knott

Book ID
103886671
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
153 KB
Volume
385-386
Category
Article
ISSN
0921-4526

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✦ Synopsis

In this research, we examine the effect of non-selective solvent on the large-scale mesoscopic ordering in asymmetric block copolymers, poly(styrene-block-ethylene/butylene-block-styrene) (SEBS) using small angle neutron scattering technique (SANS). SANS measurements were carried out over a wide range of concentrations and temperatures. Evolution of the self-assembled phase morphology in such polymer with the thermodynamic selectivity of solvent, temperature and concentration has been discussed. Correlation between morphology and thermorheological behavior of the gels has also been established.

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