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

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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.

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Authors and Affiliations

  1. Firstauthor Polymers Division, National Institute of Standards and Technology, 20899, Gaithersburg, MD., USA

    Charles C. Han

  2. Nextauthor Department of Polymer Chemistry, Faculty of Engineering, Kyoto University, 606, Kyoto, Japan

    Hirokazu Hasegawa & Takeji Hashimoto

  3. Nextauthor Research Division, Gen Corp, 44305, Akron, Ohio, USA

    I. Glen Hargis & S. L. Aggarwal

Authors
  1. Charles C. Han
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  2. Hirokazu Hasegawa
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  3. Takeji Hashimoto
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  4. I. Glen Hargis
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  5. S. L. Aggarwal
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Han, C.C., Hasegawa, H., Hashimoto, T. et al. Microstructure and Isotopic Labeling Effects on the Miscibility of Polybutadiene Blends Studied by the Small-Angle Neutron Scattering Technique. MRS Online Proceedings Library 166, 469–474 (1989). https://doi.org/10.1557/PROC-166-469

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  • DOI: https://doi.org/10.1557/PROC-166-469

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