Figure 7 | Scientific Reports

Figure 7

From: Oil-Impregnated Hydrocarbon-Based Polymer Films

Figure 7

(a) Time-lapse of ketchup draining from dry (top) and oil-impregnated (bottom) ULDPE pouches using a tilt angle of α = 45° (camera is also tilted). After 60 s of drainage, a large amount of ketchup is still sticking to the walls of the dry pouch, while the infused pouch is almost completely cleaned out after only 30 s (see Supplementary Movie M2). (b) For yogurt drainage, even after 5 min of drainage there is much more yogurt trapped in a dry ULDPE pouch (top) compared to an oil-impregnated pouch (bottom) after only 3 min. (c) Logarithmic plot of the ketchup mass remaining in the pouch versus time. Vertical dashed lines demarcate three different power-law regimes. For the second and third regimes, the power-law slope was more pronounced for the oil-impregnated pouch.

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