Abstract
Some recent advances in understanding the dynamic interactions of liquids with solid surfaces are reviewed. Specifically, acid-base theory is applied to wetting and adhesion, the meaning of precursor films for spreading is examined, the role of pore morphology in capillary penetration is explored theoretically and experimentally, adsorption and spreading of surfactant solutions is compared to that of aqueous alcohol solutions, three dimensional pressure penetration models are described along with new methods for characterizing penetration and pore size distribution, and means of reducing fiber swelling and the hygroreactivity of paper and board is discussed.
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