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Interface Formation and Thin Film Properties of an Incompatible Polymer System

Published online by Cambridge University Press:  25 February 2011

B. Guckenbiehl ,
M. Stamm  and
T. Springer
B. Guckenbiehl
Affiliation:
Max-Planck-Institut für Polymerforschung, Postfach 3148, W-6500 Mainz, Germany Forschungszentrum Julich GmbH, Postfach 1913, W-5170 Jülich, Germany
M. Stamm
Affiliation:
Max-Planck-Institut für Polymerforschung, Postfach 3148, W-6500 Mainz, Germany
T. Springer
Affiliation:
Forschungszentrum Julich GmbH, Postfach 1913, W-5170 Jülich, Germany
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Abstract

The polymer blend system of deuterated polystyrene (PSd) and the statistical copolymer poly(styrene-co-para-bromo-styrene) (PBrxS) is partially compatible or incompatible depending on the degree of bromination x. The width of the interface in a bilayer system can thus be controlled in a wide range by an adjustment of x. This is demonstrated in neutron reflectivity experiments where the interfacial width is measured with an accuracy better than lnm. The interface width depends strongly on compatibility as expressed by the Flory-Huggins interaction parameter x- Results are compared with current theories.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 280: Symposium B – Evolution of Surface and Thin Film Microstructure , 1992 , 275
Copyright
Copyright © Materials Research Society 1993

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References

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