Title: crystalline polymer
Long Title: IUPAC Gold Book - crystalline polymer
DOI: 10.1351/goldbook.C01432
Status: current

Definition
A polymer showing crystallinity. One or two-dimensional order leads to mesophase structure. The range of order may be as small as about \(2\ \rm{nm}\) in one (or more) crystallographic direction(s) and is usually below \(50\ \rm{nm}\) in at least one direction.

Related Terms
- crystallinity: https://goldbook.iupac.org//terms/view/C01433
- mesophase: https://goldbook.iupac.org//terms/view/M03849

Source
- Purple Book, 1st ed., p. 74 (http://old.iupac.org/publications/books/author/metanomski.html)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/C01432/html
- json: https://goldbook.iupac.org/terms/view/C01432/json
- xml: https://goldbook.iupac.org/terms/view/C01432/xml

Citation: Citation: 'crystalline polymer' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.C01432
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Accessed: 2026-06-29T02:12:50+00:00