High-pressure electroosmotic pumps based on porous polymer monoliths

Electroosmotic pumps have been prepared using macroporous polymer monoliths with their pore surface grafted with the ionizable monomers 2-acrylamido-2-methyl-1-propanesulfonic acid and [2-(methacryloyloxy)ethyl]trimethyl ammonium chloride, respectively. The effects of critical parameters such as por...

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Veröffentlicht in:Sensors and actuators. B, Chemical Chemical, 2004-04, Vol.99 (1), p.66-73
Hauptverfasser: Tripp, Jennifer A., Svec, Frantisek, Fréchet, Jean M.J., Zeng, Shulin, Mikkelsen, James C., Santiago, Juan G.
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container_end_page 73
container_issue 1
container_start_page 66
container_title Sensors and actuators. B, Chemical
container_volume 99
creator Tripp, Jennifer A.
Svec, Frantisek
Fréchet, Jean M.J.
Zeng, Shulin
Mikkelsen, James C.
Santiago, Juan G.
description Electroosmotic pumps have been prepared using macroporous polymer monoliths with their pore surface grafted with the ionizable monomers 2-acrylamido-2-methyl-1-propanesulfonic acid and [2-(methacryloyloxy)ethyl]trimethyl ammonium chloride, respectively. The effects of critical parameters such as pore size of the monolith, percentage of ionizable moieties in the grafted layer, crosslinking density, and driving voltage on both flow rate and pressure have been quantified. Electroosmotic pumps fabricated from the grafted monoliths afforded pressures as high as 0.38 MPa and electric-field-specific flow rates of up to 0.41 ml/min, both at an applied potential of 50 V.
doi_str_mv 10.1016/j.snb.2003.10.031
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subjects Electroosmotic pumps
Monolith
Polymer
Porous
title High-pressure electroosmotic pumps based on porous polymer monoliths
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