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Characterization of Polyquinoline Block Copolymer Using Small Angle Scattering

Published online by Cambridge University Press:  26 February 2011

Wen-Li Wu ,
John K. Stille ,
Joseph W. Tsang  and
Alex J. Parker
Wen-Li Wu
Affiliation:
Polymers Division, IMSE, National Institute of Standards and Technology, 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 a sample containing deuterated flexible components. The scattering intensities from both x-ray and neutron were reduced to absolute scale in order to remove the scattering contribution from microvoids which tended to overshadow the signal of molecular origin. Quantitative information regarding the extent of molecular segregation in a polyquinoline multi-block copolymer was obtained, the result indicated that the material was strongly associated but not segregated into single component phases.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 134: Symposium J – Materials Science and Engineering of Rigid-Rod Polymers , 1988 , 493
Copyright
Copyright © Materials Research Society 1989

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References

REFERENCES

[1] Stille, J. K., Polyquinolines, Macromolecules 14:870 (1981).CrossRefGoogle Scholar
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[4] Guinier, A. and Fournet, G., Small Angle Scattering of X-Rays, John Wiley & Sons, Chap. II (1955).Google Scholar