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The effect of corona treatment of polymer films on the quality of reproduction of line elements in flexographic printing

Field of Science:Computer ScienceComputer Science (miscellaneous)
National field of science (HAC):05.01.01 — Engineering geometry and computer graphics. Audio and video technologies05.01.02 — Systems analysis, control and information processing05.01.03 — Theoretical foundations of informatics05.01.04 — Mathematical and software support of computers, complexes and computer networks05.01.05 — Information protection methods and systems. Information security05.02.03 — Technological machines. Robots, mechatronics and robotic systems05.01.08 — Automation and control of technological processes and productions05.01.09 — Document studies. Archival science. Library science05.01.10 — Information retrieval systems and processes05.01.11 — Digital technologies and artificial intelligence05.04.01 — Telecommunication and computer systems, telecommunication networks and devices. Information distribution05.04.02 — Radio engineering, radionavigation, radiolocation and television systems and devices. Mobile and fiber-optic communication systems08.00.14 — Information systems and technologies in economics08.00.16 — Digital economy and international digital integration11.00.07 — Geoinformatics21.01.09 — Military command and communication systems21.02.12 — Military cybernetics, systems analysis, operations research, modeling of combat operations and military systems (including Armed Forces branches, arms of service and special units)05.01.06 — Elements and devices of computer engineering and control systems05.01.07 — Mathematical modeling. Numerical methods and software packages10.00.11 — Language theory. Applied and computational linguistics13.00.06 — Theory and methods of e-learning (by education fields and levels)21.02.13 — Informatics and computer technologies in military affairs
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O_TJ.2025.04.29_05120353.pdf

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“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

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ARTICLE ANNOTATION

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This article examines the effect of surface treatment of polymer films with corona discharge on the reproduction quality of fine line elements in flexographic printing. Polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET) films were used as printing materials. They were treated with a high-voltage corona discharge (up to 20 kV) on a laboratory setup to improve ink adhesion to the surface. Printing was performed on a Flexi Proof 100 flexographic proofing device using water-dispersion, solvent, and UV-curable inks. The study resulted in the determination of rational parameters for activating polymer films with corona discharge for subsequent use in flexographic printing. A methodological approach to selecting the operating parameters of corona-discharge devices is developed, based on calculating the discharge power, the treated surface area, and taking into account the physicochemical properties of the material. It has been experimentally established that an excessive increase in the power of the corona discharge leads to a decrease in the ability of polymer films to accurately reproduce small line elements of the printing form.

AUTHORS

X.Бабаханова

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Tags

# polymer films# corona discharge# flexography# printing inks

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