In this video the effect of molecular entanglements on the solution-behaviour and flow will be shown.
This video demonstrates the removal of solvents from as-spun UHMW-PE fibers. The solvent from the ‘wet’ fibers is removed by steam at elevated pressures. In this way the drawing and solvent-removal is performed in one single step. By choosing the right pressure(s) the optimum drawing temperatures can be chosen.
What is shown in the video is a demo-pilotplant at MAE company in Fiorenzuola , a company with ample expertise in steam technology. Plempolco BV and MAE company developed together the technology to remove the solvent(s) from as-spun UHMW-PE fibers and to fully recover the solvent/steam mixtures.
The technology is protected by patents, e.g. US20130241105A1.
part-1: The Baker;’s principle, multiple folding and stretching into fine threads.
part-2: Image. The same principle applies in twin-screw extruders, folding and stretching into fine threads, which finally break-up into droplets.
Courtesy prof. H.E.H. Meijer and Dr P. Elemans.
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