Analysis of Tissue Softness Change by the Addition of Softener

Résumé fourni par la source

The important properties of a tissue are softness, strength, and absorbency for performance. The softness is one of important properties, and an objective evaluation method is required for purchase decision because subjective feeling is not enough. Surface smoothness can be measured by a stylus profiling, an electron microscope, or an optical method. Even objective measurement methods may have different results depending on types of measurement methods. The softness of the toilet tissue and the facial tissue of two companies was measured after using the internal and external softener. The softness was measured by using the KES-SE-SR surface tester as a probe method and the fractal dimension theory was applied. The correlation between the softness results and two methods such as the tissue softness analyzer and image analysis were compared. Results of the tissue softness analyzer and image analysis showed that softness increased when using internal and external softeners, but FD values increased. When using internal and external softener, it was assumed that hydrogen bondings of fibers at tissue surface were disrupted and the fractal dimension value increased.

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