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Microstructure and Isotopic Labeling Effects on the Miscibility of Polybutadiene Blends Studied by the Small-Angle Neutron Scattering Technique

Published online by Cambridge University Press:  21 February 2011

Charles C. Han ,
Hirokazu Hasegawa ,
Takeji Hashimoto ,
I. Glen Hargis  and
S. L. Aggarwal
Charles C. Han
Affiliation:
Firstauthor Polymers Division, National Institute of Standards and Technology, Gaithersburg, MD. 20899
Hirokazu Hasegawa
Affiliation:
Nextauthor Department of Polymer Chemistry, Faculty of Engineering, Kyoto University, Kyoto 606, Japan
Takeji Hashimoto
Affiliation:
Nextauthor Department of Polymer Chemistry, Faculty of Engineering, Kyoto University, Kyoto 606, Japan
I. Glen Hargis
Affiliation:
Nextauthor Research Division, Gen Corp, Akron, Ohio 44305
S. L. Aggarwal
Affiliation:
Nextauthor Research Division, Gen Corp, Akron, Ohio 44305
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Abstract

Deuterated polybutadiene and protonated polybutadiene (PBD/PBH) blends with various microstructures have been studied by the small-angle neutron scattering experiments. Correlation length, ξ, zero-wavenumber structure factor, S(q=o), and interaction parameter, Xblend have been obtained. All PBD/PBH blends exhibit UCST behavior. With the use of random copolymer theory, the interaction parameter, Xblend, has been successfully separated into X1, X2 and X3 which are interaction parameters between the same isotope labeled 1,2-unit and 1,4-unit, opposite isotope labeled 1,2-unit and 1,4- unit, and opposite isotope labeled 1,2-unit with 1,2-unit or 1,4-unit with 1,4-unit, respectively.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 166: Symposium J – Neutron Scattering for Materials Science , 1989 , 469
Copyright
Copyright © Materials Research Society 1990

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References

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