Regularities in x-ray scattering patterns from amorphous polymers (Record no. 50512)

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control field 20250625160149.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-16338
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245 10 - TITLE STATEMENT
Title Regularities in x-ray scattering patterns from amorphous polymers
490 0# - SERIES STATEMENT
Volume/sequential designation Journal of Polymer Science. Part A-2, Polymer physics, 22(12), p.2043-2050, 1984
520 3# - SUMMARY, ETC.
Summary, etc. It is known that the x-ray scattering pattern of an amorphous polymer may contain one or more halos corresponding to van der Waals spacings or larger. In this work we found that (i)the halo positions (and equivalent Bragg spacings)vary systematically with the cross-sectional area of the polymer chain in the crystal and (ii)there are at least two families of such halos with spacings larger than that of van der Waals contacts of atoms. From the wide variety and nature of the polymers considered, this behavior is believed to be representative of the amorphous state existing in polymeric samples. This work indicates that there is a degree of packing regularity in amorphous polymers that should be considered in models and theories of polymer chain conformation.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SPECTROSCOPY, X-RAY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SPECTRUM ANALYSIS
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Miller, Robert L.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Boyer, Raymond F.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1yDdYLB-t__SQF-1SJPsoMnw2R9sEzTxl/view?usp=drivesdk">https://drive.google.com/file/d/1yDdYLB-t__SQF-1SJPsoMnw2R9sEzTxl/view?usp=drivesdk</a>
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