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New method for determining paper surface energy per contact angle

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Abstract

We propose a new method for determining the surface energy of paper and its components using the contact angle technique. Calendered sheets and model liquids were used in this study. A rapid evolution of the probe/handsheet contact angle with time was observed for all tested conditions. A suitable method for choosing the contact angle and a new model to determine the surface energy and its components is proposed. The total surface energy of paper hansheets (47.2–50.4 mN m−1) and its components (dispersive γd ~ 19–20, polar γp ~ 4–5 and hydrogen bond γh ~ 25–32) are in good agreement with literature data.

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Correspondence to Ahmed Belfkira.

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El Omari, H., Ablouh, Eh., Brouillette, F. et al. New method for determining paper surface energy per contact angle. Cellulose 26, 9295–9309 (2019). https://doi.org/10.1007/s10570-019-02695-4

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  • DOI: https://doi.org/10.1007/s10570-019-02695-4

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