An experimental method to study the absorption capacity of paper towels
Source abstract
Abstract
This study proposes an experimental method for the in-plane liquid wicking to determine the absorption capacity of retail paper towels. Individual plies of the paper towels were tested to minimize the transverse wicking effects on surface wetting. The method involves arbitrary point source injection of liquid into the paper towel surface while recording microscopic images of the wetted areas as liquid spreads. The samples were selected from two main manufacturing processes: conventional wet pressing and through air drying. The tested liquids were water and decane with various driving forces. Two distinct imaging systems, infrared light absorption imaging and visible light transmission imaging, monitored and recorded the wetting process. The wetted regions were calculated to generate the wetting graphs, which illustrate both the dynamic and static wetting behaviors.It was found the amount of driving force has a negligible effect on the maximum wetted area formed on the surface.So, the maximum wetted area and the paper grammage were applied to determine the absorption capacity of the tested towels. Moreover, the absorption capacity results were validated by the basket-immersion test method (ISO 12625-8).Therefore, the proposed method in this work enables quantification of the absorption capacity of papertowels.
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Research context
OpenAlex topics: Material Properties and Processing · Advanced Cellulose Research Studies · Surface Modification and Superhydrophobicity
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References (26)
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