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Characterization and optimization of an inkjet-printed smart textile UV-sensor cured with UV-LED light
University of Borås, Faculty of Textiles, Engineering and Business. (Textile Materials Technology)ORCID iD: 0000-0002-7090-8511
University of Borås, Faculty of Textiles, Engineering and Business. (Textile Materials Technology)ORCID iD: 0000-0002-1008-1313
Technical University of Liberec.ORCID iD: 0000-0003-4148-5166
Technical University of Liberec.ORCID iD: 0000-0002-6254-4834
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2017 (English)In: IOP Conference Series: Materials Science and Engineering, 2017, Vol. 254, 072023Conference paper, Oral presentation with published abstract (Refereed)
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

For the development of niche products like smart textiles and other functional high-end products, resource-saving production processes are needed. Niche products only require small batches, which makes their production with traditional textile production techniques time-consuming and costly. To achieve a profitable production, as well as to further foster innovation, flexible and integrated production techniques are a requirement. Both digital inkjet printing and UV-light curing contribute to a flexible, resource-efficient, energy-saving and therewith economic production of smart textiles. In this article, a smart textile UV-sensor is printed using a piezoelectric drop-on-demand printhead and cured with a UV-LED lamp. The UVcurable ink system is based on free radical polymerization and the integrated UVsensing material is a photochromic dye, Reversacol Ruby Red. The combination of two photoactive compounds, for which UV-light is both the curer and the activator, challenges two processes: polymer crosslinking of the resin and color performance of the photochromic dye. Differential scanning calorimetry (DSC) is used to characterize the curing efficiency of the prints. Color measurements are made to determine the influence of degree of polymer crosslinking on the developed color intensities, as well as coloration and decoloration rates of the photochromic prints. Optimized functionality of the textile UV-sensor is found using different belt speeds and lamp intensities during the curing process.

Place, publisher, year, edition, pages
2017. Vol. 254, 072023
Keyword [en]
UV curing, digital inkjet printing, smart textile, photochromic
National Category
Engineering and Technology
Research subject
Textiles and Fashion (General)
Identifiers
URN: urn:nbn:se:hb:diva-12284DOI: 10.1088/1757-899X/254/7/072023OAI: oai:DiVA.org:hb-12284DiVA: diva2:1120786
Conference
AUTEX World Textile Conference, Corfu, May 29-31, 2017
Available from: 2017-07-07 Created: 2017-07-07 Last updated: 2017-12-11Bibliographically approved

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Publisher's full texthttp://iopscience.iop.org/article/10.1088/1757-899X/254/7/072023

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Seipel, SinaYu, JunchunNierstrasz, Vincent

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Seipel, SinaYu, JunchunPeriyasamy, AravinViková, MartinaVik, MichalNierstrasz, Vincent
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