Page 65 - TEXtalks. November- December 2023
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                 Application Process: "Offline" vs. "Inline"
 Evolution of Terry Towel  Application of preparation  Application of preparation  Application of preparation  Application Process
                   “Offline”
                                          “Inline”
                                                                                         “2 Phases”
                                                                    “3 Phases”
                                                                                   Application of preparation
 Printing with DyStar’s  Digital printing with Jettex R inks  Digital printing with Jettex R inks  Drying with moderate temperature   Digital printing with Jettex Vat inks
                                  Digital printing with Jettex R inks
                                                                                   Digital printing with Jettex R inks
           Drying with moderate temperature
                                  Fixation with overheated steam or hot air
                                                            Digital printing with Jettex Vat inks
                                                                                   Drying with moderate temperature
           Drying with moderate temperature
                                                            Drying with moderate temperature
                                                                                   Padding and steaming
                                  Wash-off process
 Jettex  Digital Inks   Fixation with saturated steam       Padding and steaming   Wash-off process
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            Wash-off process
                                                            Wash-off process
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           For best results, it is recommended to add the selected Sera  process  For best results, it is recommended to add the selected Sera  process
 This article provides information about the application of DyStar´s broad range of Jettex ®  auxiliaries during the preparation, washing and finishing process  auxiliaries during the preparation, washing and finishing process
 reactive and vat inks, as well as DyStar’s selected Sera  process auxiliaries for digital printing
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          The preparation usually contains anti-migration   Striking the right balance ensures optimum penetra-
 In the ever-evolving landscape of textile printing,   agents, alkaline, urea and a wetting agent to adjust   tion without any unwanted coloration of the fabric's
 Digital Printing of terry towels will become an import-  the penetration and the required sharpness in   reverse side.
 ant printing process in future. The ever-increasing   printing. With the above preparation in place, Jettex R
 demand for personalized textiles and customized   can now be printed.
 designs is driving this transformation, all while
 reducing costs. Unlike conventional printing methods   Fixation can be done either via a conventional
 where production of shorter runs is associated with   steaming process, hot air or overheated steam
 high costs, digital printing offers a more efficient   fixation. Finally, a wash-off is necessary to remove the
 solution. This is achieved through the use of 4 to 8   unfixed dye from the fabric and to achieve the
 inks that can seamlessly deliver the desired color   required fastness properties.
 schemes without the need for separate applications.
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 Moreover, digital printing introduces the flexibility to   Vat Printing Process with Jettex  Vat inks
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 change designs at any time, as there are almost no   High Quality Terry Towel Printing is achievable with Jettex R Inks.  Jettex  Vat inks, with their superior fastness perfor-
 setup times involved. This agility enhances production  must be well-pretreated for printing. In this respect,   mance, makes it a highly desired digital printing
 capacity and reduces the overall energy consumption   mercerization is a highly recommended process for   process for terry towel. This is particularly true for the
 and the intensity of labour required to achieve the   high-quality towels that can achieve vibrant colors and   "Hospitality" market, which demands the highest
 desired results.  superior moisture absorption.  levels of colorfastness, shorter production runs, and
          customization options.
 Elevating Quality and Efficiency for Terry Towel Printing  DyStar will be introducing two different printing process-
 ®
 Now, let us explore how DyStar's Jettex  inks and   es suitable for Terry Towel printing.  Here's an insight into the application process of   Terry Towel.
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 Sera  process auxiliaries complement this digital   Jettex  Vat inks, complemented by Sera  auxiliary
 ®
 printing evolution in the terry towel industry. These   Reactive Printing Process with Jettex  R inks   process chemicals. Depending on available equip-  In conclusion, the digital printing evolution is
 ®
 innovative solutions offer a pathway to unrivalled   Jettex  R, the reactive inks for industrial digital textile   ment, a 2 or 3-phases process can be implemented.  sweeping across the world of terry towels, and
 ®
                                                                         ®
 quality, customization, and colorfastness, all while   printing, are known for their reliable printing perfor-  DyStar's Jettex  inks, coupled with the smart use of
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 optimizing efficiency and reducing production costs.  mance, high reproducibility and their suitability for   In both processes, preparation and wash-off are   Sera  process auxiliaries, offer a pathway to
 cotton, viscose and silk material. Moreover, the inks are   always necessary.  unmatched quality, customization and excellent
 Common terry towels are made primarily from 100%   available for various printheads used in industrial   fastness perfmance. As we navigate the exciting
 cotton fiber. The textured surface of these towels,   printing.  For both Jettex R and Jettex Vat inks, the inclusion of   landscape of digital textile printing, the future is
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 often velour, is characterized by its high density and   selected Sera  process auxiliaries are strongly   indeed bright, and it is waiting to be printed on your
 short pile. On the flip side, a loop pile enhances   As mentioned earlier, for Digital Reactive Printing, a   recommended. The quantity of chemicals required for   terry towels.
 drying efficiency, which may be either white or   preparation phase is required and it can be applied via   preparation is intimately linked to various fabric
 colored by the use of dyed yarn in the construction of   different equipment in an “Offline” or “Inline (wet in   parameters. These include the fabric weight, surface   Jettex and Sera are registered trademarks of DyStar
 the towel. To ensure optimal print quality, the fabric   wet)” process.   pile height, surface density, and wet pick-up behavior.   Colours Distribution GmbH, DE.
 November/December 2023                                                            November/December 2023
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