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Intermediate angle scattering functions and local chain configurations of semicrystalline and amorphous polymers

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Summary

Molecular scattering functions at intermediate scattering vectors, of μ=(4π/λ sinϑ/2) in the range 0.03 to 1.0Å−1, are found to be extremely sensitive to the local configurations of polymer chains in both semicrystalline and amorphous states. Available experimental results of intermediate angle neutron scattering (IANS) from melt-crystallized polyethylene and isotactic polypropylene provide compelling evidence that adjacent re-entry is rare. The rotational isomeric state model satisfactorily accounts for IANS and chain dimensions of polycarbonate in the amorphous state.

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Authors and Affiliations

  1. IBM Research Laboratory, 95193, San Jose, California, USA

    D. Y. Yoon & P. J. Flory

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  1. D. Y. Yoon
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  2. P. J. Flory
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Yoon, D.Y., Flory, P.J. Intermediate angle scattering functions and local chain configurations of semicrystalline and amorphous polymers. Polymer Bulletin 4, 693–698 (1981). https://doi.org/10.1007/BF00285135

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  • DOI: https://doi.org/10.1007/BF00285135

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