The influence of polymer structure and morphology on talc wettability |
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| Authors: | Kaggwa Gillian B Huynh Le Ralston John Bremmell Kristen |
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| Affiliation: | Ian Wark Research Institute, University of South Australia, Mawson Lakes Campus, Mawson Lakes, SA 5095, Australia. |
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| Abstract: | Advancing water contact angles were measured on freshly cleaved talc faces as well as on talc particles. The intrinsic hydrophobicity of talc was shown to be due to the dominance of the apolar components of the work of adhesion. Polyacrylamides and polysaccharides adsorb onto the surface of talc, displaying strikingly different morphologies. Adsorbed amount, apparent layer thickness, and polymer structure control talc wettability. |
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