USING MATHEMATICAL MODELING METHODS TO OPTIMIZING PARAMETERS OF THE TECHNOLOGICAL PROCESS OF PRODUCING PRINTING PAPER

UDC 676.22.017

Gorzhanov Vadim Valer’yevich − PhD (Engineering), Аssistant Professor, the Department of PhysicalChemical Methods and Quality Assurance. Belarusian State Technological University (13a Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: horzhanovvadim@mail.ru

Herman Nataliya Aleksandrovna ‒ PhD (Engineering), Senior Lecturer, the Department of Сhemical Processing of Wood. Belarusian State Technological University (13a Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: herman_n@belstu.by

Nikolaichik Irina Vladimirovna − PhD (Engineering), Senior Lecturer, the Department of Сhemical Processing of Wood. Belarusian State Technological University (13a Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: nikolaichik.ira@mail.ru

DOI: https://doi.org/ 10.52065/2520-2669-2025-289-9.

Key words: paper, filling, gluing in bulk, surface gluing, printing properties, optimization.

For citation: Gorzhanov V. V., Herman N. A., Nikolaichik I. V. Using mathematical modeling methods to optimizing parameters of the technological process of producing printing paper. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2025, no. 1 (289), pp. 71–79 (In Russian). DOI: 10.52065/2520-2669-2025-289-9.

Abstract

The article presents the results of studies on the relationships between the printing properties of paper and the technological parameters of its production. The relevance of the research lies in assessing the impact of changes in the nomenclature of paper quality indicators controlled directly in production on the operating parameters of the technological process of obtaining paper for printing. Using the methods of mathematical modeling using the second-order plans of Kono and Kiefer, the influence of paper printing properties such as resolution, print contrast on the technological parameters of filling processes, surface sizing in the mass and sizing from the surface of the paper was studied. The implementation of the selected experimental plans, the established adequate mathematical models describing the studied technological processes, and the solution of compromise optimization problems showed that the maximum value of the generalized optimization criterion without taking into account the printing properties Wi = 0.93, and taking into account the influence Wi = 0.89 was achieved at the consumption value of the hydrophobizing polymer in the first case of 5.01%, and in the second – 4.27%. The values of the quality indicators of paper sized from the surface with such a dispersion were as follows: breaking force at break – 57.85 N, smoothness – 58.33 s, absorbency with one-sided wetting according to Cobb30 – 18.80 g/m2, linear deformation of paper – 2.40%, resolution – 51 μm, print contrast – 0.61%. It was found that the inclusion of the printing properties of paper insignificantly affects the process of its filling and significantly affects the sizing processes. The parameters of the paper manufacturing process in the latter case have a direct dependence on the nomenclature of its quality indicators, which requires reconfiguring the technological process towards improving printing properties. Such types of printing papers are more competitive and in demand for printing industries.

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15.11.2024