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A novel X-ray diffraction approach to assess the crystallinity of regenerated cellulose fibers
IUCrJ, 2022-07, Vol.9 (4), p.492-496
Luigi Gentile et al. 2022 2022 ;ISSN: 2052-2525 ;EISSN: 2052-2525 ;DOI: 10.1107/S205225252200570X ;PMID: 35844479
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Title:
A novel X-ray diffraction approach to assess the crystallinity of regenerated cellulose fibers
Author:
Gentile, Luigi
;
Sixta, Herbert
;
Giannini, Cinzia
;
Olsson, Ulf
Subjects:
cellulose
;
Chemical Sciences
;
crystalline domains
;
crystallinity
;
draw ratios
;
fibers
;
framework-structured solids and amorphous materials
;
Fysikalisk kemi
;
Kemi
;
nanostructure
;
Natural Sciences
;
Naturvetenskap
;
orientations
;
Physical Chemistry
;
Research Papers
;
wide-angle X-ray scattering
;
X-ray diffraction
Is Part Of:
IUCrJ, 2022-07, Vol.9 (4), p.492-496
Description:
Here, a new accurate approach is presented to quantify the degree of crystallinity of regenerated cellulose textile fibers using wide-angle X-ray scattering. The approach is based on the observation that the contributions to the scattering from crystalline and amorphous domains of the fibers can be separated due to their different degree of orientation with respect to the fiber direction. The method is tested on Ioncell-F fibers, dry jet wet spun with different draw ratios from an ionic liquid solution. The analysis output includes, apart from an accurate estimate of the fiber crystallinity, the degrees of orientation of the cellulose nanocrystals and the cellulose chains in the amorphous domains.
Publisher:
International Union of Crystallography
Language:
English
Identifier:
ISSN: 2052-2525
EISSN: 2052-2525
DOI: 10.1107/S205225252200570X
PMID: 35844479
Source:
PubMed Central
SWEPUB Freely available online
ROAD: Directory of Open Access Scholarly Resources
ProQuest Central
DOAJ Directory of Open Access Journals
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