Measurement of the dynamics of fluid sorption for tissue papers

July 2019 Pub Date : 2019-08-01 DOI:10.32964/tj18.7.417

K. Olejnik, J. Bloch, P. Pełczyński

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引用次数: 1

Abstract

Liquid absorption ability belongs to the most important features of tissue papers. Due to non-homogeneous internal and superficial structures, precise and fast evaluation of this property is challenging. The main aim of the presented research was to design an experimental device dedicated to the measurement of the kinetics of wetting phenomenon for tissue papers. The second aim was to evaluate whether it was possible to use image analysis for more precise characterization of liquid absorption properties of tissue paper. The obtained results showed that the method used, based on image analysis supported by gravimetric methods, proved to efficiently and quantitatively characterize the dynamics of liquid absorption for tissue papers. Supplementary parameters such as absorption anisotropy and in-plane velocity were obtained. Different experimental results were obtained for various tissue paper grades. Furthermore, water absorption capacity calculated from image analysis data correlated with results obtained according to the standard method EN ISO 12625-8:2010 “Tissue paper and tissue products—Part 8: Water-absorption time and water-absorption capacity, basket-immersion test method.” Hence, the presented device quantitatively characterizes and discriminates water absorption phenomenon for tissue papers.

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卫生纸流体吸附动力学的测量

液体吸收能力属于薄纸最重要的特性。由于其内部和表面结构的不均匀性，对其性能进行精确、快速的评价具有挑战性。提出的研究的主要目的是设计一个实验装置，专门用于测量动力学的润湿现象的纸巾。第二个目的是评估是否有可能使用图像分析来更精确地表征薄纸的液体吸收特性。结果表明，该方法基于图像分析，并辅以重量法，可以有效定量地表征纸巾的液体吸收动力学。补充参数如吸收各向异性和面内速度。不同的生活用纸等级得到了不同的实验结果。此外，根据图像分析数据计算的吸水能力与根据标准方法EN ISO 12625-8:2010“薄纸和薄纸产品-第8部分:吸水时间和吸水能力，篮浸试验方法”获得的结果相关。因此，所提出的装置定量表征和区分纸巾的吸水现象。

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来源期刊

July 2019

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