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chain folding in polymer crystals chain in polymers

(chain) identity period

of a polymer

Synonyms: (chain) repeating distance, repeating distance

The shortest distance along the chain axis for translational repetition of the chain structure. The chain identity period is usually denoted by c. Synonymous with (chain) repeating distance.
Source:
Purple Book, p. 77
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: https://doi.org/10.1351/goldbook.I00954.
Original PDF version: http://www.iupac.org/goldbook/I00954.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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