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- Title
Effect of UV irradiation on color and functionality of wool and cotton fabrics finished with spent coffee extract.
- Authors
Hong, Kyung Hwa
- Abstract
The commercialization of fabrics dyed with natural pigments is limited by their inadequate color intensity and low colorfastness to washing and light. To resolve these issues and improve the uptake and durability of natural dyes, textile fabrics are often irradiated with ultraviolet (UV) light, which enhances the reactivity of organic substrates. In this study, wool and cotton fabrics were pretreated with UV radiation, followed by an exhaustion treatment with the spent coffee extract derived from agricultural waste. These fabrics were then examined for changes in color, mechanical properties, and functionality. The results revealed that UV irradiation enhanced the reactivity of wool and cotton fibers, thus improving their affinity toward the constituents of the spent coffee extract. Consequently, when natural dyes were applied to these pretreated fabrics, their color intensity and functional properties improved, but their tensile strength decreased because of UV irradiation. To my best knowledge, this study is the first into the impact of UV irradiation on both the coloration of textiles and their health-related properties when finished with an extract derived from agricultural waste.
- Subjects
COTTON textiles; WOOL textiles; COTTON fibers; AGRICULTURAL wastes; WOOL; ULTRAVIOLET radiation; IRRADIATION
- Publication
Cellulose, 2024, Vol 31, Issue 9, p5931
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-024-05948-z