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PhD Capillary Action Driven Motion of Particle Migration in Porous Media

Eindhoven University of Technology, Netherlands is inviting excellent candidates to apply for a PhD position in polymers. Applications will be evaluated on a continuous basis.

The group Transport in Permeable Media of the Eindhoven University of Technology has a vacancy for a PhD Capillary action driven motion of (nano)particle migration in porous media.

Printing with water based inks are the future for environmental reasons. Water based inks are complex mixtures of water, nanoparticles (pigments and polymer latex) and water soluble additives to steer water evaporation. Many printing media are porous in nature (i.e. paper, textile, wood). The quality of a print therefore strongly depends on the ink-media interaction as this dictates the ink uptake by media. Key factors for ink motion in porous substrates are capillary forces (driving the flow) and surface-particle interactions (determining the penetration depth of the nanoparticles). Fundamental understanding of the capillary uptake of particle based complex mixtures by porous media is needed to be able to optimize inks.

The aim of this project is to study the ingress of nanoparticles and polymer lattices in porous media with NMR (Nuclear Magnetic Resonance) imaging tools. NMR active nanoparticles and lattices will be made or selected that allow direct imaging of particle laden flows in porous media driven by capillary action. The role of the porosity, pore size, particle size and particle surface chemistry will be studied systematically. Our lab has NMR and CT imaging facilities. The project is embedded in the larger PQP (Print Quality and Particles) project, which is a collaboration of the Eindhoven University of Technology (TUE), the University of Utrecht (UU), Cannon-Oc and DSM. The project is for a major part funded by NWO (the Dutch Science Foundation).

The work will be performed in the group Transport in Permeable Media (TPM) in the Applied Physics department of the Eindhoven University of Technology. The PhD will collaborate with researchers form the UU, Oc and DSM.

If so, you are the right candidate for this position.

More information can be obtained from: Dr. H.P. Huinink (H.P.Huinink[at]tue.nl / https://www.tue.nl/en/research/researchers/henk-huinink/ +31 40 2475375).

If you are interested in this position, please send in your application(including a cover letter, statement of research interests, a CV, and names of three references) by using the ‘Apply for this job’-button on this page.


Summary:

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