Abstract
In the modern packaging industry, a large assortment of materials, various technologies and equipment is used. Market relations form the demand for inexpensive and optimal in terms of its operational and functional properties, qualitative, environmentally friendly packaging. The analysis of compliance with these requirements allowed prioritizing the packages of laminated micro-corrugated cardboard as a promising way of making them in the modern market. The application of the lamination process extends the design and range of such packages. Important in this production chain is quality offset printing, the choice of cardboard for printing, micro-corrugated cardboard and adhesives for lamination, taking into account their technological and operational characteristics.The reproductive and graphic indicators of liners printed by offset printing are investigated in this work. It was considered the process of their laminating to micro-corrugated cardboard using the adhesive device of a new construction with the further determination of the operational parameters of the packaging material. As a result of the research, graphic dependencies were constructed that allow us to assess the quality reproduction of a color image in the offset printing and the operational stability of laminated micro-corrugated cardboard. The conducted experimental researches allowed establishing the dependence of the strength characteristics of laminated micro-corrugated cardboard on the technological parameters of the process of lamination.
Highlights
Packaging of laminated cardboard, corrugated cardboard and micro-corrugated cardboard is one of the dominant segments of the packaging industry in many countries of the world, including Ukraine
The analysis of the obtained graphic dependencies showed that the gradation of the blue ink of all studied samples (Fig. 2, a), more or less corresponds to the color proof in light areas, in the halftonnage, the optical density of the sample number 3 begins to increase and the trend continues in dark areas and decreases for the sample number 1, ranging from halftones to dark areas
The analysis presented in fig. 4 microphotographs of laminated micro-corrugated cardboard before and after the tests indicates the presence of stratification in the places of adhesive compounds in all the studied samples number 1, number 2 and number 3, destruction occurs in the structure of the liner and fluting
Summary
Packaging of laminated cardboard, corrugated cardboard and micro-corrugated cardboard is one of the dominant segments of the packaging industry in many countries of the world, including Ukraine. The aim of the research Investigation of the process of making packages of laminated micro-corrugated cardboard; definition of reproduction and graphic indicators of offset printed liners; lamination of micro-corrugated cardboard with the use of adhesive device of a new design; determination of operational parameters of laminated micro-corrugated cardboard (bunching strength and bonding strength, resistance to double buckling) with further investigation of its structure change due to testing.
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