Embossing Lines and Dots Geometry Effect on the Key Tissue Paper Properties with Finite Element Method Analysis

Embossing is a functional and strategic process for creating high-quality multi-sensory tissue-paper products. Embossing modifies the sheet surface by generating hill and/or valley designs, changing the third-dimension z with a compressive die. This research work specifically concerns the impact stu...

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Published inPolymers Vol. 14; no. 17; p. 3448
Main Authors Vieira, Joana Costa, Mendes, António de O., Ribeiro, Marcelo Leite, Vieira, André Costa, Carta, Ana Margarida, Fiadeiro, Paulo Torrão, Costa, Ana Paula
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 24.08.2022
MDPI
Subjects
Deformation
dots and lines geometry
Embossing
embossing prototype
Engraving
FEM simulation
Finishing
Finite element analysis
Finite element method
Geometry
Kinetics
Mechanical properties
Methods
Paper products
Softness
softness characterization
Stress state
Tensile strength
tissue paper
Topography
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Summary:Embossing is a functional and strategic process for creating high-quality multi-sensory tissue-paper products. Embossing modifies the sheet surface by generating hill and/or valley designs, changing the third-dimension z with a compressive die. This research work specifically concerns the impact study of the engraving finishing geometry on the final properties of tissue paper. This work led us to conclude that, even though the sheets individually present a higher hand-feel (HF) value for the straight finishing geometry, the highest softness was obtained in the two-ply prototype for the round finishing geometry. Moreover, this study confirmed that the HF value reduces with the increase of the bulk, being more accentuated for the micropattern. Relevant differences could not be seen in the spreading kinetics of the liquid droplets over time. Thus, the finishing geometry of the 3D plates did not impact the absorption kinetics on these samples. The finite element model allows us to understand the effect of the plate pattern and its finishing geometry on the paper, and the simulation results were in accordance with the experimental results, showing the same trend where patterns with a round finishing geometry marked the tissue-paper sheet more than patterns with a straight finishing did.
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ISSN:2073-4360
2073-4360
DOI:10.3390/polym14173448