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Characterization of Polyquinoline Blends Using Small Angle Scattering

Published online by Cambridge University Press:  21 February 2011

Wen-Li Wu ,
John K. Stille ,
Joseph W. Tsang  and
Alex J. Parker
Wen-Li Wu
Affiliation:
Polymers Division, Materials Science and Engineering Laboratory, NIST, Gaithersburg, MD 20899
John K. Stille
Affiliation:
Colorado State University, Fort Collins, CO
Joseph W. Tsang
Affiliation:
Colorado State University, Fort Collins, CO
Alex J. Parker
Affiliation:
Colorado State University, Fort Collins, CO
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Abstract

To determine the compatibility between the rigid rod and the flexible chain polyquinolines, both small angle x-ray and neutron scattering measurements were conducted on blends containing deuterated flexible chains. The scattering intensities from both x-ray and neutron were reduced to their absolute scales in order to remove the scattering contribution from microvoids which tended to overshadow the signal of molecular origin. Quantitative information regarding the molecular dispersion in a 50/50 rigid rod and flexible chain blend was obtained. The result indicated that this material was partially segregated but not to the point of single component phases.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 171: Symposium O – Polymer Based Molecular Composites , 1989 , 189
Copyright
Copyright © Materials Research Society 1990

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References

REFERENCES

[1] Stille, J. K., Macromolecules 14:870 (1981). J. K. Stille, A. Parker, J. Tsang, G. C. Berry, M. Featherstone, D. R. Uhlmann, S. Subramoney, W. L. Wu, Contemporary Topics in Polymer Science, 6, (1989).Google Scholar
[2] Wu, W. L., Stille, J. K., Tsang, J., and Parker, A., Proceedings of MRS meeting, Symposium J. (1988).Google Scholar
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