Synthesis of ultraviolet (UV)-curable water-borne polyurethane acrylate binders and comparison of their performance for pigment printing on synthetic leather
International Journal of Clothing Science and Technology
ISSN: 0955-6222
Article publication date: 17 July 2020
Issue publication date: 26 February 2021
Abstract
Purpose
In this study, it is aimed to synthesize ultraviolet (UV)-curable water-borne polyurethane acrylate (WPUA) binders using different types of polyols (poly (propylene glycol), PPG1000 and PPG2000 and poly (ethylene glycol), PEG1000 and PEG2000) at different molecular weights, DMPA (2,2-bis(hydroxymethyl) propionic acid) at different amounts and isophorone diisocyanate (IPDI) and use for pigment printing on synthetic leather.
Design/methodology/approach
UV-cured films were characterized by Fourier transform infrared spectroscopy (FTIR) and differential scanning calorimeter (DSC). The effect of binder structure on printing performance was determined with hardness, crock fastness, abrasion resistance and color measurements.
Findings
The highest abrasion resistance (60,000 cycles) and crock fastness values (dry crock and wet crock: 3/4) were obtained with binder PEG-C synthesized with PEG2000 and lower DMPA amount of 4.89 wt%; however, PEG-C binder showed lower hardness values. Due to lower urethane groups in PEG-C binder, more flexible films were obtained which imparted good adhesion property to printing film. Synthesized binders provided lower crock fastness and abrasion resistance properties than commercial WPUA binder.
Originality/value
Pigmented formulations including UV-curable water-borne synthesized PUA binder were developed and for the first time applied onto synthetic leather using screen printing method. Within this context, a new environmentally friendly printing method was proposed in this study including binder synthesis in the preparation of printing formulations.
Keywords
Acknowledgements
This work was supported by The Scientific and Technological Research Council of Turkey (TUBITAK) under Grant (Project No. 215M995).Declaration of conflicting interests: The authors confirm that there are no conflicts of interest with respect to the research, authorship, and/or publication of this article.
Citation
Baysal, G., Keleş, G., Kalav, B., Güner, F.S. and Karagüzel Kayaoğlu, B. (2021), "Synthesis of ultraviolet (UV)-curable water-borne polyurethane acrylate binders and comparison of their performance for pigment printing on synthetic leather", International Journal of Clothing Science and Technology, Vol. 33 No. 2, pp. 270-288. https://doi.org/10.1108/IJCST-02-2020-0026
Publisher
:Emerald Publishing Limited
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