The Impact of Fluorescent Compounds on the Change in Shade of Pastel Colored PES/Cotton Fabrics
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T. Pušić
Abstract
Functionalization of textiles in the finishing and care processes is an outstanding topic today. Ultraviolet (UV) protective properties of textiles can be improved by the implementation of fluorescent compounds in the finishing and laundering processes. The investigation described is focused on the addition of a fluorescent whitening agent (FWA) and an UV absorber (UVA) during frequent laundering of bleached and pastel colored polyester/cotton fabrics in the reference ECE detergent at 40°C. The effect of the UVA containing detergent includes improved whiteness of bleached textiles and excellent UV protection properties during multiple cycles. The bleaching performance of the FWA is similar in offering good UV protection. In the case of the pastel colored fabrics after the launderings, UV protection is excellent too, but the negative impact of the fluorescent compounds on the changes in shade is evident.
Kurzfassung
Die Funktionalisierung von Textilien in Veredlungs- und Textilpflege-Prozessen ist heutzutage ein bedeutendes Themengebiet. Die ultravioletten (UV) Schutzeigenschaften von Textilien können durch Implementierung von fluoreszierenden Verbindungen in den Veredlungs- und Waschprozessen verbessert werden. Die vorgestellte Untersuchung konzentriert sich auf die Zugabe eines optischen Aufhellers (FWA) und eines UV-Absorbers (UVA) bei mehrmaligen Waschen von gebleichten und pastellgefärbten PES/Baumwollgeweben mittels ECE-Referenzwaschmittel bei 40°C. Das Waschmittel mit UV-Absorber bewirkt einen verbesserten Weißgrad der gebleichten Textilien und ausgezeichnete UV-Schutzeigenschaften über mehrere Waschzyklen. Die Bleichwirkung des optischen Aufhellers ist ähnlich und zeigt einen guten UV-Schutz. Bei den pastellgefärbten Geweben ist der UV-Schutz nach dem Waschen ebenfalls ausgezeichnet, aber die negative Auswirkung der fluoreszierenden Verbindungen auf die Farbtonveränderung ist hier offensichtlich.
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© 2008, Carl Hanser Verlag, Munchen
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Artikel in diesem Heft
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Highly Concentrated Cocamidopropyl Betaine – The Latest Developments for Improved Sustainability and Enhanced Skin Care
- Dye Fading in Laundry Washing Comparison of Washing Machine and Linitest Results
- The Impact of Fluorescent Compounds on the Change in Shade of Pastel Colored PES/Cotton Fabrics
- Physical Chemistry
- Phosphorylation of Mono- or Di-octadienyl-D-xylosides. Influence towards Surfactant Properties
- Polymer Chemistry
- Polymer-modified Microemulsions – a Template for the Formation of BaSO4 Nanoparticles
- Synthesis
- Study on the Synthesis and Surface Activities of Disodium Alkyl Polyglucoside Citrate
- Validation Processes
- Use of Biomonitors for the Validation of Chemo-thermal Disinfecting Washing Procedures
