Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/786
Title: Ultraviolet Protection Factor of Gray-state Plain Cotton Knitted Fabrics
Authors: Stankovic, Snezana B.
Popović, Dušan 
Poparić, Goran 
Bizjak, Mateja
Keywords: air permeability;hairiness;open porosity;plain cotton knitted fabric;twist;ultraviolet protection factor;yarn
Issue Date: 1-Jan-2009
Journal: Textile Research Journal
Abstract: 
The protection provided by clothing against ultraviolet (UV) radiation has been the subject of considerable recent research. However, a lack of investigations concerned with the influence of yarn properties on UV protection capabilities of fabrics seems to be present. This study investigated the influence of yarn twist and surface geometry on these properties of fabrics. The gray-state plain cotton knitted fabrics were produced from yarn differing in twist level under controlled conditions, so as to obtain as similar as possible construction of the fabrics. These plain knitted (single jersey) fabrics were spectrophotometrically assessed and UV protection factor was calculated. The results obtained indicated that yarn twist to a great extent influenced the UV protection properties of the knitted fabrics through the influence on yarn compactness and surface properties, which in turn influenced the open porosity of the fabric. The results were also interpreted as the consequences of minimal differences between knitted fabrics' construction (different stitch density), which could not be avoided because of the yarn twist differences. © 2009, SAGE Publications. All rights reserved.
URI: https://physrep.ff.bg.ac.rs/handle/123456789/786
ISSN: 0040-5175
DOI: 10.1177/0040517508102016
Appears in Collections:Journal Article

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